KR20230060348A - Display device and controlling method of display device - Google Patents

Abstract

Disclosed is a display device performing communication with an external electronic device electrically connected to an RJ12 plug of an RJ12 to USB C type cable. The display device comprises a USB C type receptacle and a processor. The USB C type receptacle includes a plurality of terminals electrically connected to a plurality of terminals of USB C type plug of a cable. The processor identifies terminals connected to a plurality of terminals of an RJ 12 receptacle of the external electronic device among a plurality of terminals of the USB C type receptacle; transmits a signal to the external electronic device through at least one of a third terminal and a fourth terminal which are connected to a first terminal and a second terminal, respectively, of the RJ12 receptacle among the identified terminals; when a signal is received from the external electronic device based on the transmitted signal, identifies pin out of a plurality of terminals of the RJ12 receptacle of the external electronic device based on the received signal; sets pin out of the identified terminals based on the identified pin out; and performs communications with the external electronic device through the terminals having pin out set. Accordingly, the display device can set pin out of a plurality of terminals of a USB C type receptacle to correspond to various kinds of pin outs of a plurality of terminals of the RJ12 receptacle.

Description

Display device and control method of display device { DISPLAY DEVICE AND CONTROLLING METHOD OF DISPLAY DEVICE }

The present disclosure relates to a display device and a method for controlling the display device, and more specifically, to a display device capable of communicating with an external electronic device through a USB-C to RJ12 cable and a method for controlling the display device.

Recently, a display device is connected to a set-top box to display content provided from the set-top box or to utilize additional functions provided from the set-top box.

Meanwhile, when the set-top box is a set-top box that communicates with a display device through an RJ12 communication interface, the display device needs to have an RJ12 communication interface in order to communicate with the set-top box.

In addition, the pin-out of the RJ12 communication interface of the set-top box may be different for each manufacturer of the set-top box. In this case, the display device and the set-top box had to be connected through a cable specially designed for the set-top box to perform communication.

However, in recent display devices, the number of cases in which the RJ12 communication interface is removed is increasing for reasons of design and cost, and display devices for general households do not include the RJ12 communication interface in many cases.

In addition, display device manufacturers need to unnecessarily manufacture and provide various types of cables to users, and users need to connect display devices and set-top boxes through cables specially designed for set-top boxes to be connected among various types of cables. In that it has to be performed, the user's inconvenience may be caused.

Accordingly, it is important that the display device be able to communicate with an external electronic device such as a set-top box including an RJ12 communication interface through a single cable without including the RJ12 communication interface.

The present disclosure has been made to solve the above problems, and a display device and its display device communicating with an external electronic device by setting the pin-out of a plurality of terminals of a USB C-type receptacle based on a signal received from the external electronic device. It is to provide a control method.

A display device according to an embodiment of the present disclosure for achieving the above object is a display device that communicates with an external electronic device electrically connected to an RJ12 plug of an RJ12 to USB C type cable, wherein the USB cable of the cable A USB C-type receptacle including a plurality of terminals electrically connected to a plurality of terminals of the C-type plug and a plurality of terminals of the RJ12 receptacle of the external electronic device among the plurality of terminals of the USB C-type receptacle. terminals are identified, a signal is transmitted to the external electronic device through at least one of a third terminal and a fourth terminal respectively connected to the first terminal and the second terminal of the RJ12 receptacle among the identified terminals, and the transmitted When a signal is received from the external electronic device based on the signal, pin outs of a plurality of terminals of the RJ12 receptacle of the external electronic device are identified based on the received signal, and based on the identified pin out and a processor configured to set pin-out of the identified terminals and to communicate with the external electronic device through the terminals to which the pin-out is set.

In this case, the processor may receive a signal from the external electronic device based on a signal transmitted to the external electronic device through the third terminal, the fourth terminal, or the third terminal and the fourth terminal.

Meanwhile, when the plurality of terminals of the RJ12 receptacle include at least one of a GND terminal, a TX terminal, an RX terminal, an IR terminal, an NC terminal, and a CLK terminal, and the plurality of terminals of the RJ12 receptacle do not include the CLK terminal , When one of the first terminal and the second terminal is the TX terminal, and the plurality of terminals of the RJ12 receptacle include the CLK terminal, the first terminal is the TX terminal, and the second terminal may be the CLK terminal.

In addition, the plurality of terminals of the USB-C type receptacle include a CC1 terminal, a CC2 terminal, an SBU1 terminal, and an SBU2 terminal, and the processor may include at least one terminal among the CC1 terminal, the CC2 terminal, the SBU1 terminal, and the SBU2 terminal. A direction in which the USB C-type plug is inserted into the USB-C-type receptacle may be identified based on whether is connected to a pull-up resistor or a pull-down resistor.

In this case, the processor identifies that the inserted direction is a first direction when it is identified that the SBU1 and CC1 terminals are connected to the pull-up resistor and the SBU2 and CC2 terminals are connected to the pull-down resistor, , When it is identified that the SBU1 and CC1 terminals are connected to the pull-down resistor and the SBU2 and CC2 terminals are connected to the pull-up resistor, the inserted direction can be identified as the second direction.

The plurality of terminals of the USB-C type receptacle include first high-speed data communication terminals and second high-speed data communication terminals, and the first high-speed data communication terminals include a Tx1+ terminal, a Tx1- terminal, an Rx1+ terminal, and an Rx1- terminal. terminal, wherein the second high-speed data communication terminals include a Tx2+ terminal, a Tx2- terminal, an Rx2+ terminal, and an Rx2- terminal, and the processor determines the Tx1+ terminal and the Tx1 terminal when the inserted direction is a first direction. - terminal, the Rx1+ terminal and the Rx1- terminal are identified as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device, and when the inserted direction is the second direction, the Tx2+ terminal and the Tx2- terminal The terminal, the Rx2+ terminal, and the Rx2- terminal may be identified as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device.

In this case, the third terminal is the Tx2+ terminal when the inserted direction is the first direction, the Tx1+ terminal when the inserted direction is the second direction, and the fourth terminal is the Tx1+ terminal when the inserted direction is the second direction. When the first direction is the Rx2-terminal, and when the inserted direction is the second direction, the Rx1-terminal.

Meanwhile, the cable further includes a USB A-type receptacle including a plurality of terminals, and the plurality of terminals of the USB-A-type receptacle are at least some terminals other than the identified terminals among the plurality of terminals of the USB-C-type receptacle. can be connected with

In this case, the processor may set pin-outs of terminals connected to the plurality of terminals of the USB A-type receptacle among the plurality of terminals of the USB-C-type plug based on the identified direction.

Meanwhile, a control method of a display device according to an embodiment of the present disclosure is a control method of a display device that communicates with an external electronic device electrically connected to an RJ12 plug of an RJ12 to USB C type cable, wherein the USB C of the cable Identifying terminals connected to the plurality of terminals of the RJ12 receptacle of the external electronic device among the plurality of terminals of the USB C-type receptacle electrically connected to the plurality of terminals of the type plug, Transmitting a signal to the external electronic device through at least one of a third terminal and a fourth terminal connected to the first terminal and the second terminal, respectively. When a signal is received from the external electronic device based on the transmitted signal, Identifying pin outs of a plurality of terminals of an RJ12 receptacle of the external electronic device based on the received signal and setting pin outs of the identified terminals based on the identified pin outs; and communicating with the external electronic device through pin-out terminals.

In this case, the control method includes receiving a signal from the external electronic device based on a signal transmitted to the external electronic device through the third terminal, the fourth terminal, or the third terminal and the fourth terminal. can include more.

Meanwhile, when the plurality of terminals of the RJ12 receptacle include at least one of a GND terminal, a TX terminal, an RX terminal, an IR terminal, an NC terminal, and a CLK terminal, and the plurality of terminals of the RJ12 receptacle do not include the CLK terminal , When one of the first terminal and the second terminal is the TX terminal, and the plurality of terminals of the RJ12 receptacle include the CLK terminal, the first terminal is the TX terminal, and the second terminal may be the CLK terminal.

In addition, the plurality of terminals of the USB-C type receptacle include a CC1 terminal, a CC2 terminal, an SBU1 terminal, and a SBU2 terminal, and the control method includes at least one of the CC1 terminal, the CC2 terminal, the SBU1 terminal, and the SBU2 terminal. The method may further include identifying a direction in which the USB C-type plug is inserted into the USB-C-type receptacle based on whether a terminal is connected to a pull-up resistor or a pull-down resistor.

In this case, in the step of identifying the inserted direction, if it is identified that the SBU1 and CC1 terminals are connected to the pull-up resistor and the SBU2 and CC2 terminals are connected to the pull-down resistor, the inserted direction is the first direction, the SBU1 and CC1 terminals are connected to the pull-down resistor, and the SBU2 and CC2 terminals are identified as being connected to the pull-up resistor, the inserted direction can be identified as the second direction. there is.

The plurality of terminals of the USB-C type receptacle include first high-speed data communication terminals and second high-speed data communication terminals, and the first high-speed data communication terminals include a Tx1+ terminal, a Tx1- terminal, an Rx1+ terminal, and an Rx1- terminal. terminal, wherein the second high-speed data communication terminals include a Tx2+ terminal, a Tx2- terminal, an Rx2+ terminal, and an Rx2- terminal, and the step of identifying the inserted direction is when the inserted direction is a first direction. , The Tx1+ terminal, the Tx1- terminal, the Rx1+ terminal, and the Rx1- terminal are identified as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device, and the inserted direction is the second direction, The Tx2+ terminal, the Tx2− terminal, the Rx2+ and the Rx2− terminals may be identified as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device.

Meanwhile, the cable further includes a USB A-type receptacle including a plurality of terminals, and the plurality of terminals of the USB-A-type receptacle are at least some terminals other than the identified terminals among the plurality of terminals of the USB-C-type receptacle. can be connected with

In this case, the control method may further include setting pin-outs of terminals connected to the plurality of terminals of the USB A-type receptacle among the plurality of terminals of the USB-C-type plug based on the identified direction. .

According to various embodiments of the present disclosure, the display device performs communication with an external electronic device including an RJ12 receptacle through a USB C-type receptacle without having a separate RJ12 receptacle, and various types of terminals of the RJ12 receptacle. Pin-out of a plurality of terminals of the USB-C type receptacle may be set to correspond to the pin-out of .

1 is a diagram for explaining an electronic device according to an embodiment of the present disclosure;
2 is a block diagram for explaining the configuration of a display device according to an embodiment of the present disclosure;
3 is a diagram for explaining a USB C-type receptacle according to an embodiment of the present disclosure;
4A is a diagram for explaining an RJ12 receptacle according to an embodiment of the present disclosure;
4b is a diagram for explaining an RJ12 plug according to an embodiment of the present disclosure;
4C is a diagram for explaining a USB C-type plug according to an embodiment of the present disclosure;
5 is a diagram for explaining a connection relationship between a plurality of terminals of an RJ12 plug and a plurality of terminals of a USB C-type plug according to an embodiment of the present disclosure;
6 is a view for explaining that a USB C-type plug is inserted into a USB-C-type plug in a first direction according to an embodiment of the present disclosure;
7 is a view for explaining that a USB C-type plug is inserted into a USB-C-type plug in a second direction according to an embodiment of the present disclosure;
8 is a diagram for explaining pin-out types of a plurality of terminals of an RJ12 receptacle according to an embodiment of the present disclosure;
9 is a diagram for explaining setting a pin-out of a USB-C type receptacle according to an embodiment of the present disclosure;
10 is a diagram for explaining a USB A type receptacle according to an embodiment of the present disclosure;
11 is a diagram for explaining setting a pin-out of a USB-C type receptacle according to an embodiment of the present disclosure;
12 is a diagram for explaining a circuit diagram of a display device according to an embodiment of the present disclosure;
13 is a flowchart for explaining a control method of a display device according to an embodiment of the present disclosure, and
14 is a detailed configuration diagram of a display device according to an embodiment of the present disclosure.

Since the present embodiments can apply various transformations and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the scope to the specific embodiments, and should be understood to include various modifications, equivalents, and/or alternatives of the embodiments of the present disclosure. In connection with the description of the drawings, like reference numerals may be used for like elements.

In describing the present disclosure, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present disclosure, a detailed description thereof will be omitted.

In addition, the following embodiments may be modified in many different forms, and the scope of the technical idea of the present disclosure is not limited to the following embodiments. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the spirit of the disclosure to those skilled in the art.

Terms used in this disclosure are only used to describe specific embodiments, and are not intended to limit the scope of rights. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present disclosure, expressions such as “has,” “can have,” “includes,” or “can include” indicate the presence of a corresponding feature (eg, numerical value, function, operation, or component such as a part). , which does not preclude the existence of additional features.

In this disclosure, expressions such as “A or B,” “at least one of A and/and B,” or “one or more of A or/and B” may include all possible combinations of the items listed together. . For example, “A or B,” “at least one of A and B,” or “at least one of A or B” (1) includes at least one A, (2) includes at least one B, Or (3) may refer to all cases including at least one A and at least one B.

Expressions such as "first," "second," "first," or "second," used in the present disclosure may modify various elements regardless of order and/or importance, and may refer to one element as It is used only to distinguish it from other components and does not limit the corresponding components.

A component (e.g., a first component) is "(operatively or communicatively) coupled with/to" another component (e.g., a second component); When referred to as "connected to", it should be understood that the certain component may be directly connected to the other component or connected through another component (eg, a third component).

On the other hand, when an element (eg, a first element) is referred to as being “directly connected” or “directly connected” to another element (eg, a second element), the element and the above It may be understood that other components (eg, a third component) do not exist between the other components.

The expression “configured to (or configured to)” as used in this disclosure means, depending on the situation, for example, “suitable for,” “having the capacity to.” ," "designed to," "adapted to," "made to," or "capable of." The term "configured (or set) to" may not necessarily mean only "specifically designed to" hardware.

Instead, in some contexts, the phrase "device configured to" may mean that the device is "capable of" in conjunction with other devices or components. For example, the phrase "a processor configured (or configured) to perform A, B, and C" may include a dedicated processor (eg, embedded processor) to perform the operation, or by executing one or more software programs stored in a memory device. , may mean a general-purpose processor (eg, CPU or application processor) capable of performing corresponding operations.

In an embodiment, a 'module' or 'unit' performs at least one function or operation, and may be implemented with hardware or software, or a combination of hardware and software. In addition, a plurality of 'modules' or a plurality of 'units' may be integrated into at least one module and implemented by at least one processor, except for 'modules' or 'units' that need to be implemented with specific hardware.

Meanwhile, various elements and areas in the drawings are schematically drawn. Therefore, the technical spirit of the present invention is not limited by the relative size or spacing drawn in the accompanying drawings.

Hereinafter, with reference to the accompanying drawings, an embodiment according to the present disclosure will be described in detail so that those skilled in the art can easily implement it.

1 is a diagram for explaining an electronic device according to an embodiment of the present disclosure.

The display device 100 may perform various functions according to signals received from the external electronic device 200 .

Specifically, the display device 100 performs various functions of the display device 100 based on signals received from the external electronic device 200 or services provided by the external electronic device 200. functions can be performed.

For example, when the external electronic device 200 is a set-top box, the display device 100 displays an image received from the external electronic device 200 or controls volume based on a signal received from the external electronic device 200. or set the channel.

In addition, when the external electronic device 200 provides a hotel TV solution service, the display device 100 displays a hotel image and promotional video based on a signal received from the external electronic device 200, and the display device ( 100), the language of the text displayed in the guest's national language is translated and displayed, and a UI capable of controlling IOT devices such as air conditioners, lights, and curtains in the hotel room can be displayed.

To this end, the display device 100 may be connected to the external electronic device 200 through a cable 300 to perform communication.

In this case, each of the display device 100 and the external electronic device 200 may include a receptacle (or jack) for coupling with the cable 300 . In addition, the cable 300 may include a plug to be coupled to the receptacle of the display device 100 at one end and a plug to be coupled to the receptacle of the external electronic device 200 at the opposite end. can

Meanwhile, according to an embodiment of the present disclosure, a receptacle of the display device 100 and a receptacle of the external electronic device 200 may be different from each other.

For example, the receptacle of the display device 100 may be a USB C-type receptacle, and the receptacle of the external electronic device 200 may be an RJ12 receptacle. In this case, the cable 300 may be an RJ12 to USB C type cable 300 including an RJ12 plug at one end and a USB C type plug at the other end.

Meanwhile, in order to communicate with the external electronic device 200, the display device 100 pins out terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device 200 among a plurality of terminals of the USB C-type receptacle. (pinout) can be set.

Here, pin-out means the purpose or function of each pin in the process of communication within a hardware interface (eg, plug or jack) with multiple pins, or the type of signal transmitted or received through each pin. can mean a role.

In this case, the display device 100 may set pin outs of terminals connected to the plurality of terminals of the RJ12 receptacle among the plurality of terminals of the USB C type receptacle to correspond to the pin outs of the plurality of terminals of the RJ12 receptacle.

Here, setting the pin-outs to correspond means that each of the plurality of terminals of the RJ12 receptacle of the external electronic device 200 can perform a purpose or function according to the pin-out of the plurality of terminals of the RJ12 receptacle, so that the USB connected to the corresponding terminal. It can mean setting the pin-out of the terminals of the C-type receptacle.

Meanwhile, pin-out of a plurality of terminals of the RJ12 receptacle of the external electronic device 200 may be different for each type. For example, when the external electronic device 200 is a set-top box, pin-out types of a plurality of terminals of RJ12 receptacles included in the set-top box may be different for each set-top box manufacturer.

Accordingly, the display device 100 according to the present disclosure identifies pin-outs of a plurality of terminals of the RJ12 receptacle of the external electronic device 200 and connects the plurality of terminals of the RJ12 receptacle to the USB based on the identified pin-outs. Communication with the external electronic device 200 may be performed by setting pin-outs of a plurality of terminals of the C-type receptacle.

As described above, according to an embodiment of the present disclosure, the display device 100 communicates with the external electronic device 200 including the RJ12 receptacle through the USB C-type receptacle without having a separate RJ12 receptacle, while using the RJ12 receptacle. In that the pin-out of the plurality of terminals of the USB C type receptacle can be set to correspond to the various types of pin-outs of the plurality of terminals of the terminal, it is possible to provide a system capable of efficiently communicating with the external electronic device 200 do.

2 is a block diagram illustrating a configuration of a display device according to an exemplary embodiment of the present disclosure.

The USB C-type receptacle 110 may perform communication with the external electronic device 200 . In this case, the USB C-type receptacle 110 may include a plurality of terminals.

For example, as shown in FIG. 3 , the USB C-type receptacle 110 may be located on the rear side of the display device 100 . However, this is just an example, and the USB C-type receptacle 110 may be located on the front or side of the display device 100. Also, the USB C-type receptacle 110 may include 24 terminals electrically connected to the plurality of terminals of the USB C-type plug of the cable 300 . In this case, the 24 terminals are terminals located on one side (namely, terminals A1 to A12 (111-1 to 111-12)) and terminals located on the opposite side (ie, terminals B1 to B12 (112-1 to 112-1 to 111-12)). 112-12)).

Also, each of the 24 terminals of the USB C-type receptacle 110 may be referred to as a pinout 112 according to the USB Implementers Forum (USB-IF) standard.

That is, the 24 terminals of USB C type receptacle are GND terminal, VBUS terminal, CC terminal (CC1, CC2), SBU terminal (SBU1, SBU2), TX+ terminal (TX1+, TX2+), TX- terminal (TX1-, TX2- ), RX+ terminals (RX1+, RX2+), RX- terminals (RX1-, RX2-), D+ terminals, and D- terminals.

Specifically, the A1 terminal 111-1, the A12 terminal 111-12, the B1 terminal 112-1, and the B12 terminal 112-12 may be referred to as GND terminals. Here, the GND terminal may mean a terminal capable of performing a grounding function.

Also, the A4 (111-4) terminal, the A9 terminal (111-9), the B4 terminal (112-4), and the B9 terminal (112-9) may be referred to as VBUS terminals. Here, the VBUS terminal may refer to a terminal capable of supplying power to the external electronic device 200 or receiving bus power from the external electronic device 200 .

Also, the A5 terminal 111-5 and the B5 terminal 112-5 may be referred to as a CC1 terminal and a CC2 terminal. Here, the CC1 terminal and the CC2 terminal exchange protocols for identifying connection between the display device 100 and the external electronic device 200 or identifying the type of the external electronic device 200 connected to the display device 100. It may mean a terminal that performs a function.

Also, the A8 terminal 111-8 and the B8 terminal 112-8 may be referred to as SBU1 terminal and SBU2 terminal. Here, the SBU1 terminal and the SBU2 terminal may refer to terminals performing a function of transmitting and receiving sideband component data.

In addition, the A2 terminal 112-2, the A3 terminal 112-3, the B10 terminal 112-10 and the B11 terminal 112-11 are referred to as the TX1+ terminal, the TX1- terminal, the RX1+ terminal, and the RX1- terminal, , B2 terminal 112-2, B3 terminal 112-3, A10 terminal 111-10 and A11 terminal 111-11 can be referred to as TX2+ terminal, TX2- terminal, RX2+ terminal and RX2- terminal. there is. Here, the TX+ terminals (TX1+, TX2+), TX- terminals (TX1-, TX2-), RX+ terminals (RX1+, RX2+), and RX- terminals (RX1-, RX2-) are data It may mean a terminal that performs the function of a high-speed data communication terminal for transmitting and receiving.

Also, the A6 terminal 111-6 and the B6 terminal 112-6 may be referred to as a D+ terminal, and the A7 terminal 111-7 and the B7 terminal 112-7 may be referred to as a D- terminal. Here, the D+ terminal and the D- terminal may mean terminals that perform a function of a low-speed data communication terminal for transmitting and receiving data according to the USB 2.0 standard.

However, referring to the pins of the plurality of terminals of the USB C-type receptacle 110 according to the USB-IF standard is only for distinguishing each pin for convenience, and the pin out of the plurality of terminals of the USB C-type receptacle 110 It does not need to be set to a pinout according to the USB-IF standard. That is, the actual pin-out of the plurality of terminals of the USB-C type receptacle 110 may be set differently from the pin-out according to the USB-IF standard.

Meanwhile, the processor 120 is electrically connected to the USB C-type receptacle 110 and can control overall operations and functions of the display device 100 .

To this end, the processor 120 may include a central processing unit (CPU) or an application processor (AP), stored in the memory according to one or more instructions stored in the memory of the display device 100. It can run one or more software programs.

First, the processor 120 may communicate with the external electronic device 200 through the USB C-type receptacle 110 .

Specifically, the processor 120 connects the external electronic device 200 through terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device 200 among the plurality of terminals of the USB C-type receptacle 110 of the display device 100. ) to communicate with the external electronic device 200.

To this end, as shown in FIG. 4a, the external device 200 may include an RJ12 receptacle 210.

In this case, some of the plurality of terminals of the USB C-type receptacle 110 may be connected to some of the plurality of terminals of the RJ12 receptacle 210 through the cable 300 .

For example, the RJ12 receptacle 210 of the external electronic device 200 may include 6 terminals. In this case, the six terminals may be referred to as terminals 1 to 6 (211-1 to 211-6), respectively. In addition, each of the six terminals of the RJ12 receptacle 210 may have a pin-out set for each terminal. In this case, the plurality of terminals of the RJ12 receptacle 210 may include one of an IR terminal, a GND terminal, a TX terminal, an RX terminal, a CLK terminal, and an NC terminal.

Here, the IR terminal may mean a terminal that performs a function of transmitting data related to an infrared signal received by the external electronic device 200.

Also, the GND terminal may refer to a terminal performing a grounding function.

Also, the TX and RX terminals may mean data communication terminals for transmitting and receiving data.

Also, the CLK terminal may refer to a terminal performing a function of transmitting a synchronization signal.

Also, the NC terminal may refer to a terminal that is not used in a communication process.

Meanwhile, as shown in FIG. 4B , the cable 300 may include an RJ12 plug 310 that can be inserted into the RJ12 receptacle 210 of the external electronic device 200 at one end. In this case, the RJ12 plug 310 may include six terminals electrically connected to the six terminals of the RJ12 receptacle.

Here, the six terminals of the RJ12 plug may be referred to as the names of the first to sixth terminals 211-1 to 211-6 of the RJ12 receptacle electrically connected to each terminal. Accordingly, the six terminals of the RJ12 plug may be referred to as terminals 1 to 6 (311-1 to 311-6).

Meanwhile, as shown in FIG. 4C , the cable 300 may include a USB C-type plug 320 that can be inserted into the USB C-type receptacle 110 of the display device 100 at the opposite end. In this case, the USB C-type plug 320 may include 24 terminals electrically connected to the 24 terminals of the USB C-type receptacle 110 shown in FIG. 3 .

In this case, the 24 terminals of the USB C type plug 320 are terminals located on one side of the USB C type plug 320 (ie, A1 terminal to A12 terminals 321-1 to 321-12) and USB C type plug 320. Terminals (ie, B1 to B12 terminals 322-1 to 322-12) located on the opposite side of the plug 320 may be included.

In addition, at least one of the six terminals of the RJ12 plug 310 of the cable 300 may be connected to at least one of the 24 terminals of the USB C-type plug 320 and each wire.

For example, as shown in FIG. 5 , the first terminal 311-1 of the RJ12 plug 310 may be connected to the A11 terminal 321-11 of the USB C-type plug 320 with a wire.

In addition, the second terminal 311-2 of the RJ12 plug 310 is the A1 terminal 321-1, the A12 terminal 321-12, the B1 terminal 322-1 and the B12 of the USB C type plug 320. At least one of the terminals 322-12 may be connected with a wire.

In addition, the third terminal 311-3 of the RJ12 plug 310 may be connected to the B2 terminal 322-2 of the USB C-type plug 320 with a wire.

In addition, the fifth terminal 311-5 of the RJ12 plug 310 may be connected to the B3 terminal 322-3 of the USB C-type plug 320 with a wire.

In addition, the sixth terminal 311-6 of the RJ12 plug 310 may be connected to the A10 terminal 321-10 of the USB C-type plug 320 with a wire.

Meanwhile, the fourth terminal 311-4 of the RJ plug 310 may not be connected to any of the 24 terminals of the USB C-type plug 320.

Meanwhile, the RJ12 plug 310 of the cable 300 is inserted into the RJ12 receptacle 210 of the external electronic device 200, and the USB C-type plug 320 is inserted into the USB C-type receptacle 110 of the display device 100. can be inserted into Accordingly, some of the plurality of terminals of the USB C-type receptacle 110 may be connected to some of the plurality of terminals of the RJ12 receptacle 210 through the cable 300.

In this case, the processor 120 may identify terminals connected to the plurality of terminals of the RJ12 receptacle 210 of the external electronic device 200 among the plurality of terminals of the USB C-type receptacle 110 .

Specifically, the processor 120 selects external electronic power from among a plurality of terminals of the USB C-type receptacle 110 based on the direction in which the USB C-type plug 320 of the cable 300 is inserted into the USB C-type receptacle 110. Terminals connected to a plurality of terminals of the RJ12 receptacle 210 of the device 200 may be identified.

Here, the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110 depends on the connection relationship between the plurality of terminals of the USB C type plug 320 and the plurality of terminals of the USB C type receptacle 110. can be distinguished according to

For example, as shown in FIG. 6A, in a state in which one side (A) of the USB C type receptacle 110 is facing upwards and one side (A) of the USB C type plug 320 is facing upwards. , When the USB C-type plug 320 is inserted into the USB-C-type receptacle 110, the insertion direction may be regarded as a first direction (or forward direction).

In this case, referring to FIGS. 6B and 6C, the A1 terminal to the A12 terminals 111-1 to 111-12 located on one side (A) of the USB C-type receptacle 110 are one part of the USB C-type plug 320. B1 to B12 terminals 112-1 to 112 connected to the A1 to A12 terminals 321-1 to 321-12 located on the surface (A) and located on the other surface (B) of the USB C-type receptacle 110 -12) may be connected to the B1 terminal to B12 terminals 322-1 to 322-12 located on the other side (B) of the USB C type plug 320.

In addition, as shown in FIG. 7A, in a state in which one surface (A) of the USB C type receptacle 110 is facing upward and the other surface (B) of the USB C type plug 320 is facing upward, When the USB C-type plug 320 is inserted into the USB-C-type receptacle 110, the insertion direction may be regarded as a second direction (or a reverse direction).

In this case, referring to FIGS. 7B and 7C , the A1 to A12 terminals 111-1 to 111-12 located on one side (A) of the USB C-type receptacle 110 are connected to the USB C-type plug 320. Connected to the B1 terminal to B12 terminals 322-1 to 322-12 located on the other side (B) of the C-type plug 320, B1 located on the other side (B) of the USB C-type receptacle 110 The through B12 terminals 112-1 through 112-12 may be connected to the A1 through A12 terminals 321-1 through 321-12 located on one side (A) of the USB C-type plug 320.

In this case, the processor 120 includes the A5 terminal 111-5 (or CC1 terminal), the A8 terminal 111-8 (or SBU1 terminal), and the B5 terminal 122-5 of the USB C-type receptacle 110. ) (or CC2 terminal) and B8 terminal 122-8 (or SBU2 terminal) based on whether at least one terminal is connected with a pull-up resistor or a pull-down resistor. A direction in which the type plug 320 is inserted into the USB C type receptacle 110 may be identified.

Specifically, in the processor 120, the A5 terminal 111-5 (or CC1 terminal) and the A8 terminal 111-8 (or SBU1 terminal) of the USB C-type receptacle 110 are connected to a pull-up resistor, , when the B5 terminal 112-5 (or CC2 terminal) and the B8 terminal 112-8 (or SBU2 terminal) are identified as connected with the pull-down resistor, the USB Type-C plug 320 is connected to the USB Type-C receptacle. It can be identified that the direction inserted in 110 is the first direction.

On the other hand, in the processor 120, the A5 terminal 111-5 (or CC1 terminal) and the A8 terminal 111-8 (or SBU1 terminal) are connected to the pull-down resistor, and the B5 terminal 112-5 ( Alternatively, if the terminal CC2) and the terminal B8 112-8 (or terminal SBU2) are identified as being connected to the pull-up resistor, the direction in which the USB C-type plug 320 is inserted into the USB-C type receptacle 110 is different. It can be identified in 2 directions.

To this end, the cable 300 may include a pull-up resistor and a pull-down resistor. In this case, the resistance value of the pull-up resistor may be greater than that of the pull-down resistor. For example, the pull-up resistor may be a resistor with a magnitude of 10 kohm. Also, the pull-down resistor may be a resistor having a size of 1 kohm.

Here, the pull-up resistors are the A5 terminal 321-5 and the A4 terminal 321-4, the A9 terminal 321-9, the B4 terminal 321-4 and the B9 terminal of the USB C type plug 320 ( 321-9) may be connected to at least one terminal. In addition, the pull-up resistors are the A8 terminals 321-8, A4 terminals 321-4, A9 terminals 321-9, B4 terminals 321-4, and B9 terminals 321-8 of the USB C plug 320. 9) may be connected to at least one terminal. Meanwhile, the pull-down resistors are the B5 terminal 322-5 and the A1 terminal 321-1, the A12 terminal 321-12, the B1 terminal 322-1 and the B12 terminal 322-5 of the USB C plug 320. 12) may be connected to at least one terminal. In addition, the pull-down resistors are the B8 terminal (322-8) and the A1 terminal (321-1), the A12 terminal (321-12), the B1 terminal (322-1) and the B12 terminal (322-1) of the USB C plug 320. 12) may be connected to at least one terminal. In this case, as shown in FIG. 6A, when the USB C type plug 320 is inserted into the USB C type receptacle 110 in the first direction, the A5 terminal 111-5 and the A8 terminal of the USB C type receptacle 110 ( 111-8) is connected to the A5 terminal 321-5 and the A8 terminal 321-8 to which the pull-up resistor is connected in the USB C-type plug 320, respectively, and the B5 terminal 112-8 of the USBC-type receptacle 110. 5) and the B8 terminal 112-8 may be respectively connected to the B5 terminal 322-5 and the B8 terminal 322-8 to which the pull-down resistor is connected in the USB C-type plug 320.

On the other hand, as shown in FIG. 7A, when the USB C type plug 320 is inserted into the USB C type receptacle 110 in the second direction, the A5 terminal 111-5 and the A8 terminal 111-5 of the USB C type receptacle 110 8) is connected to the B5 terminal 322-5 and the B8 terminal 322-8 to which the pull-down resistor is connected in the USB C-type plug 320, respectively, and the B5 terminal 112-5 of the USBC-type receptacle 110 And the B8 terminal 112-8 may be respectively connected to the A5 terminal 321-5 and the A8 terminal 321-8 to which the pull-up resistor is connected in the USB C-type plug 320.

On the other hand, the processor 120, when the USB C-type plug 320 of the cable 300 is inserted into the USB C-type receptacle 110, the A5 terminal 111-5 of the USB C-type receptacle 110, the A8 terminal ( 111-8), the voltages of the B5 terminal 112-5 and the B8 terminal 112-8 can be measured.

Here, the voltages of the A5 terminal 111-5, A8 terminal 111-8, B5 terminal 112-5, and B8 terminal 112-8 of the USB C-type receptacle 110 are pulled up to each terminal. Resistance and pull-down resistance can be measured differently depending on which resistance is connected. This is because the size of the pull-up resistor and the pull-down resistor are different.

Accordingly, the processor 120 based on the voltages of the A5 terminal 111-5, A8 terminal 111-8, B5 terminal 112-5 and B8 terminal 112-8 of the USB C type receptacle 110. You can identify whether a pull-up resistor or a pull-down resistor is connected to each terminal. Accordingly, the processor 120 may identify the direction in which the USB C-type plug 320 is inserted into the USB-C-type receptacle 110 .

Meanwhile, when the direction in which the USB C-type plug 320 is inserted into the USB-C-type receptacle 110 is the first direction, the processor 120 connects the A10 terminals 111-10 of the USB-C-type receptacle 110 to A11. The terminals 111-11, the B2 terminal 112-2, and the B3 terminal 112-3 may be identified as terminals connected to a plurality of terminals of the RJ12 receptacle 210 of the external electronic device 200.

In addition, when the direction in which the USB C-type plug 320 is inserted into the USB-C-type receptacle 110 is the second direction, the processor 120 connects the A2 terminals 111-2 and A3 of the USB-C-type receptacle 110. The terminal 111-3, the B10 terminal 111-10, and the B11 terminal 111-11 may be identified as terminals connected to a plurality of terminals of the RJ12 receptacle 210 of the external electronic device 200.

Specifically, as described in FIG. 5, the A10 terminal 321-10, the A11 terminal 321-11, the B2 terminal 322-2, and the B3 terminal of the USB C type plug 320 of the cable 300 ( 322-3) and A10 terminal (321-10) are No. 6 terminal (311-1), No. 1 terminal (311-3), No. 5 terminal (311-5) and No. 6 terminal (311) of the RJ12 plug (310), respectively. -6) can be connected.

In this case, as shown in FIG. 6A, when the USB C-type plug 320 is inserted into the USB C-type receptacle 110 in the first direction, the first terminal 311-1 and the third terminal of the RJ12 plug 310 ( 311-3), the fifth terminal (311-5) and the sixth terminal (311-6) are the A11 terminal (111-11), the B2 terminal (112-2), and the B3 terminal of the USB C type receptacle 110, respectively. (112-3) and the A10 terminal (111-10).

On the other hand, as shown in FIG. 7A, when the USB C-type plug 320 is inserted into the USB C-type receptacle 110 in the second direction, the first terminal 311-1 and the third terminal 311 of the RJ12 plug 310 -3) Terminal 5 (311-5) and terminal 6 (311-6) are the B11 terminal (112-11), A2 terminal (111-2), and A3 terminal (111) of the USB C type receptacle (110), respectively. -3) and the B10 terminal 112-10.

Accordingly, the processor 120 selects one of the plurality of terminals of the USB C-type receptacle 110 of the RJ12 plug 310 based on the direction in which the USB C-type plug 320 is inserted into the USB C-type receptacle 110. Terminals connected to the terminal 311-1, the third terminal 311-3, the fifth terminal 311-5, and the sixth terminal 311-6 can be identified.

On the other hand, the processor 120 is connected to the first terminal and the second terminal of the RJ12 receptacle 210 among the identified terminals, and through at least one of the third terminal and the fourth terminal of the USB C-type receptacle 110 respectively connected to the external electronic A signal may be transmitted to the device 200 .

In this case, the first terminal may be the third terminal 111 - 3 of the USB C-type receptacle 110 , and the second terminal may be the sixth terminal 111 - 6 of the USB C-type receptacle 110 . Here, at least one of the third terminal 111-3 and the sixth terminal 111-6 may be a terminal set with a pin-out for receiving a signal transmitted to the external electronic device 200.

Meanwhile, in that the pin-outs of the plurality of terminals of the RJ12 receptacle 210 are different for each pin-out type, the third terminal 111-3 and the sixth terminal 111-6 of the RJ12 receptacle 210 for each pin-out type. ) may have different pin-outs.

Accordingly, when a plurality of terminals of the RJ12 receptacle 210 do not include the CLK terminal according to the pin-out type of the RJ12 receptacle 210, one of the first terminal and the second terminal may be the TX terminal. On the other hand, when the plurality of terminals of the RJ12 receptacle 210 include the CLK terminal according to the pin-out type of the RJ12 receptacle 210, the first terminal may be a TX terminal and the second terminal may be a CLK terminal.

For example, referring to FIG. 8 , when the pin-out type of the RJ12 receptacle 210 is an EU type, the first terminal 211-1 and the fourth terminal 211-4 of the RJ12 receptacle 210 are NC Terminal, No. 2 terminal (211-2) is the GND terminal, No. 3 terminal (211-3) is the TX terminal, No. 5 terminal (211-5) is the RX terminal, and No. 6 terminal (211-6) is the IR terminal. Pin out can be set. In this case, the first terminal may be the third terminal 211-3 with pin-out set to the TX terminal. Accordingly, the processor 120 may transmit a signal to the external electronic device 200 through the third terminal of the USB C-type receptacle 110 connected to the first terminal.

In addition, when the pin-out type of the RJ12 receptacle 210 is the US type, the first terminal 211-1 of the RJ12 receptacle 210 is the IR terminal, the second terminal 211-2 is the GND terminal, and the third terminal (211-3) and the 4th terminal 211-4 can be set as an NC terminal, the 5th terminal 211-5 as an RX terminal, and the 6th terminal 211-6 as a TX terminal. In this case, the first terminal may be the sixth terminal 211-6 with a pin-out set to the TX terminal. Accordingly, the processor 120 may transmit a signal to the external electronic device 200 through the fourth terminal of the USB C-type receptacle 110 connected to the second terminal.

In addition, when the pin-out type of the RJ12 receptacle 210 is the US_CLK type, the first terminal 211-1 of the RJ12 receptacle 210 is an IR terminal, and the second terminal 211-2 is a GND terminal, 3 Terminal 211-3 is the TX terminal, Terminal 4 (211-4) is the NC terminal, Terminal 5 (211-5) is the RX terminal, and Terminal 6 (211-6) is the CLK terminal. It can be. In this case, the first terminal may be the third terminal 211-3 whose pin-out is set to the TX terminal, and the third terminal may be the sixth terminal 211-6 whose pin-out is set to the CLK terminal. Accordingly, the processor 120 may transmit signals to the external electronic device 200 through the third terminal and the fourth terminal of the USB C-type receptacle 110 connected to the first terminal and the second terminal.

Meanwhile, the third terminal and the fourth terminal are connected to a plurality of terminals of the RJ12 receptacle 210 based on the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110. ) may be two terminals of a plurality of terminals.

Specifically, when the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110 is the first direction, the third terminal is the B2 terminal 112-2 (or TX2+ terminal), and the USB C When the type plug 320 is inserted into the USB C-type receptacle 110 in the second direction, the third terminal may be the A2 terminal 111-2 (or the TX1+ terminal).

And, when the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110 is the first direction, the fourth terminal is the A10 terminal 111-10 (or RX2- terminal), and the USB C When the direction in which the type plug 320 is inserted into the USB-C type receptacle 110 is the second direction, the fourth terminal may be the B10 terminal 112-10 (or RX1-terminal).

For example, referring to FIG. 5, the B2 terminal 322-2 of the USB C type plug 320 is an RJ12 plug 310 electrically connected to the third terminal 211-3 of the RJ12 receptacle 210. It may be a terminal connected to the third terminal 311-1 of the wire. In addition, the B2 terminal 322-2 of the USB C-type plug 320 is the USB C-type receptacle 110 when the direction in which the USB C-type plug 320 is inserted into the USB C-type receptacle 110 is the first direction. ) may be electrically connected to the B2 terminal 112-2. On the other hand, when the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110 is the second direction, the B2 terminal 322-2 of the USB C type plug 320 is the USB C type receptacle 110. ) may be electrically connected to the A2 terminal 111-2.

In addition, the A10 terminal 322-6 of the USB C type plug 320 is electrically connected to the 6th terminal 211-6 of the RJ12 receptacle 210 and the 6th terminal 311-6 of the RJ12 plug 310. ) and a terminal connected with a wire. In addition, when the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110 is the first direction, the A10 terminal 322-6 of the USB C type plug 320 is the USB C type receptacle 110. ) can be electrically connected to the A10 terminal (111-10). On the other hand, the A10 terminal 322-6 of the USB C type plug 320 is the A10 terminal 322-6 of the USB C type plug 320, the USB C type plug 320 is connected to the USB C type receptacle 110. When the insertion direction is the second direction, it may be electrically connected to the B10 terminal 112 - 10 of the USB C type receptacle 110 .

Meanwhile, when a signal is received from the external electronic device 200 based on the transmitted signal, the processor 120 pins out a plurality of terminals of the RJ12 receptacle 210 of the external electronic device 200 based on the received signal. can identify.

To this end, the processor 120 may transmit an information request signal about the external electronic device 200 to the external electronic device 200 . Also, when the information request signal is received, the external electronic device 200 may transmit information about the external electronic device 200 to the display device 100 .

In this case, information about the external electronic device 200 may include, for example, information capable of identifying the external electronic device 200, such as a manufacturer and model name of the external electronic device 200. Also, the information about the external electronic device 200 may include information about the pin-out of the RJ12 receptacle 210 .

Meanwhile, the external electronic device 200 may transmit information about the external electronic device 200 to the display device 100 through the fifth terminal 211 - 5 of the RJ12 receptacle 210 . In this case, the fifth terminal 211 - 5 may be a terminal set with a pin out for transmitting a signal to the display device 100 .

For example, referring to FIG. 8 , regardless of the pin-out type, the pin-out of the fifth terminal 211-5 of the RJ12 receptacle 210 may be set to the RX terminal. Accordingly, the external electronic device 200 may transmit information about the external electronic device 200 to the display device 100 through the fifth terminal 211-5.

Meanwhile, the display device 100 is configured through a terminal connected to the fifth terminal 211-5 of the RJ12 receptacle 210 among the terminals of the USB C-type receptacle 110 connected to the plurality of terminals of the RJ12 receptacle 210. Information on the external electronic device 200 may be received.

In this case, the terminal connected to the fifth terminal 211-5 of the RJ12 receptacle 210 is the B3 terminal 112-3 (or TX2- terminal) or the A3 terminal 111-3 of the USB C-type receptacle 110. ) (or TX1-terminal).

Specifically, referring to FIG. 5, the B3 terminal 322-3 of the USB C type plug 320 is of the RJ12 plug 310 electrically connected to the fifth terminal 211-5 of the RJ12 receptacle 210. It may be a terminal connected to the fifth terminal 311-5 by a wire. In addition, the B3 terminal 322-3 of the USB C-type plug 320 is the USB C-type receptacle 110 when the direction in which the USB C-type plug 320 is inserted into the USB C-type receptacle 110 is the first direction. ) can be electrically connected to the B3 terminal 112-3. On the other hand, when the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110 is the second direction, the B3 terminal 322-3 of the USB C type plug 320 is the USB C type receptacle 110. ) can be electrically connected to the A3 terminal 111-3.

Accordingly, the processor 120 may receive external electronic device 200 information from the external electronic device 200 through the B3 terminal 112-3 or the A3 terminal 111-3 of the USB C type receptacle 110. can

Meanwhile, the processor 120 may receive a signal from the external electronic device 200 based on a signal transmitted to the external electronic device 200 through the third terminal, the fourth terminal, or the third and fourth terminals. .

Specifically, the processor 120 may transmit an information request signal about the external electronic device 200 to the external electronic device 200 through the third terminal. In this case, if the pin-out type of the RJ12 receptacle 210 is the EU type, the external electronic device 200 receives the information request signal request from the display device 100, and sends the external electronic device 200 to the display device 100. information can be transmitted. Accordingly, the processor 120 may receive information about the external electronic device 200 from the external electronic device 200 .

Also, the processor 120 may transmit an information request signal about the external electronic device 200 to the external electronic device 200 through the fourth terminal. In this case, if the pin-out type of the RJ12 receptacle 210 is the EU type, the external electronic device 200 receives the information request signal request from the display device 100 and sends the external electronic device 200 to the display device 100. information can be transmitted. Accordingly, the processor 120 may receive information about the external electronic device 200 from the external electronic device 200 .

In addition, the processor 120 transmits a CLK signal to the external electronic device 200 through a fourth terminal while transmitting an information request signal about the external electronic device 200 to the external electronic device 200 through a third terminal. can In this case, if the pin-out type of the plurality of terminals of the RJ12 receptacle 210 is the US_CLK type, the external electronic device 200 receives an information request signal request from the display device 100 and receives information about the external electronic device 200. may be transmitted to the display device 100. Accordingly, the processor 120 may receive information about the external electronic device 200 from the external electronic device 200 .

As such, in the display device 100 according to an embodiment of the present disclosure, among a plurality of terminals of the RJ12 receptacle 210, a terminal connected to a terminal on which a pin-out is set for receiving a signal transmitted to the external electronic device 200 is selected. A signal may be transmitted to the external electronic device 200 through the In addition, the display device 100 receives a signal from the external electronic device 200 through a terminal connected to a terminal on which a pinout for transmitting a signal to the display device 100 is set among a plurality of terminals of the RJ12 receptacle 210. can

That is, the display device 100 can transmit a signal to the external electronic device 200 without being connected to the external electronic device 200 through a cable suitable for the pin-out type of the RJ12 receptacle 210. A communication system between the 100 and the external electronic device 200 can be efficiently established.

Meanwhile, when a signal is received from the external electronic device 200 based on the transmitted signal, the processor 120 pins out a plurality of terminals of the RJ12 receptacle 210 of the external electronic device 200 based on the received signal. can identify.

To this end, the display device 100 may match and store the manufacturer or model of the external electronic device 200 and the pin outs of the plurality of terminals of the RJ12 receptacle 210 . Accordingly, when information about the external electronic device 200 is received, the processor 120 determines the manufacturer of the external electronic device 200 based on the information about the external electronic device 200 and the information stored in the display device 100. Alternatively, pin outs of a plurality of terminals of the RJ12 receptacle 210 that match the model may be identified.

In addition, when the external electronic device 200 information is received, the processor 120 determines the pin-out of the RJ12 receptacle 210 based on information about the pin-out of the RJ12 receptacle 210 included in the external electronic device 200 information. can also identify

Also, the processor 120 may set pin outs of the identified terminals based on the identified pin outs, and communicate with an external electronic device through the terminals to which the pin outs are set.

Specifically, the processor 120 may set pin outs of terminals of the USB C type receptacle 110 connected to the plurality of terminals of the RJ12 receptacle 210 to correspond to the identified pin outs of the RJ12 receptacle 210 .

For example, as shown in FIG. 9 , when the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110 is the first direction, the RJ12 receptacle among the plurality of terminals of the USB C type receptacle 110 ( 210), the terminals identified as being connected to the plurality of terminals are the A11 terminal 111-11, the B2 terminal 112-2, the B3 terminal 112-3, and the A10 terminal 111-10, and , it may be the B11 terminal 112-11, the A2 terminal 111-2, the A3 terminal 111-3, and the B10 terminal 112-10.

Here, if the processor 120 identifies that the pin-out type of the RJ12 receptacle 210 is the EU type, the A11 terminal 111-11, the B2 terminal 112-2, the B3 terminal 112-3, and the A10 Set the pinout of terminal 111-10 to NC terminal, TX terminal, RX terminal, IR terminal, respectively, or B11 terminal (112-11), A2 terminal (111-2), A3 terminal (111-3) ) and the pinout of the B10 terminal 112-10 can be set to be an NC terminal, a TX terminal, an RX terminal, and an IR terminal, respectively.

In addition, if the processor 120 identifies that the pin-out type of the RJ12 receptacle 210 is the US type, the A11 terminal 111-11, the B2 terminal 112-2, the B3 terminal 112-3, and the A10 terminal Set the pinout of (111-10) to IR terminal, NC terminal, RX terminal, TX terminal, respectively, or B11 terminal (112-11), A2 terminal (111-2), A3 terminal (111-3) And the pinout of the B10 terminal 112-10 can be set to an IR terminal, an NC terminal, an RX terminal, and a TX terminal, respectively.

And, if the processor 120 identifies that the pin-out type of the RJ12 receptacle 210 is the US_CLK type, the A11 terminal 111-11, the B2 terminal 112-2, the B3 terminal 112-3, and the A10 terminal. Set the pin out of (111-10) to IR, TX, RX, CLK, respectively, or B11 terminal (112-11), A2 terminal (111-2), A3 terminal (111-3) and B10 terminal ( 112-10) can be set to IR, TX, RX, and CLK, respectively.

In addition, the processor 120 can communicate with the external electronic device 200 through terminals of the USB C-type receptacle 110 set to correspond to the pin out of the RJ12 receptacle 210 .

In this way, the display device 100 according to an embodiment of the present disclosure does not require a user to directly set the pin-out of a plurality of terminals of the USB C-type receptacle 110 connected to the RJ12 receptacle 210. ) in that it can be set to correspond to a plurality of terminals, user convenience can be increased.

Meanwhile, according to an embodiment of the present disclosure, the cable 300 may further include a USB A type receptacle 330 including a plurality of terminals.

Also, the plurality of terminals of the USB A-type receptacle 330 may be connected to at least some terminals other than the identified terminals among the plurality of terminals of the USB C-type receptacle 110 .

For example, as shown in FIG. 10 , the cable 300 may include a USB A-type receptacle 330 into which a USB-A-type plug (not shown) may be inserted at one end. Also, the USB A-type receptacle 330 may include nine terminals electrically connected to the plurality of terminals of the USB A-type plug.

In this case, the plurality of terminals of the USB A-type receptacle 330 are number 1 to 4 terminals 331-1 to 331-4 located on one side of the USB A-type receptacle 330 and 5 terminals located on the opposite side, depending on the location. Terminals 1 through 9 may be referred to as terminals 331-5 to 331-9.

In addition, each of the six terminals of the USB A-type receptacle 330 may be referred to as a pin-out according to the USB-IF standard. Accordingly, the first terminal 331-1 is the VBUS terminal, the second terminal 331-2 is the D- terminal, the third terminal 331-3 is the D+ terminal, and the fourth terminal 331-4 is GND. Terminal, No. 5 terminal (331-5) is RX- terminal, No. 6 terminal (331-6) is RX+ terminal, No. 7 terminal (331-7) is GND_DRAIN terminal, No. 8 terminal (331-8) is TX- Terminal 9 (331-9) may be referred to as a TX+ terminal. Meanwhile, since the function of each pin-out has been described above, a detailed description thereof will be omitted.

In addition, the plurality of terminals of the USB A-type receptacle 330 may be connected to at least one terminal among the plurality of terminals of the USB C-type plug 320 by wires.

For example, as shown in FIG. 11 , the plurality of terminals of the USB A-type receptacle 330 may be connected to the plurality of terminals of the USB C-type plug 320 through wires, respectively.

Specifically, the first terminal 331-1 is the A4 terminal 321-4, the A9 terminal 321-9, the B4 terminal 322-4, and the B9 terminal of the USB C type plug 320. It may be connected to at least one terminal of (322-9) with a wire.

In addition, the fourth terminal (331-4) and the seventh terminal (331-7) are the A1 terminal (321-1), the A12 terminal (321-12), and the B1 terminal ( 322-1) and at least one of the B12 terminal 322-12 and a wire.

Also, terminal 2 (331-2), terminal 3 (331-3), terminal 5 (331-5), terminal 6 (331-6), terminal 8 (331-8) and terminal 9 331-9 is the A7 terminal 321-7, A6 terminal 321-6, B10 terminal 322-10, B11 terminal 322-11, and A3 terminal 321 of the USB C type plug 320. -3) and the A2 terminal 321-2 and each can be connected with a wire.

On the other hand, as described in FIG. 5, the 6th terminal 311-1, 1st terminal 311-3, 5th terminal 311-5 and 6th terminal 311-6 of the RJ12 plug 310 are respectively A10 terminal (321-10), A11 terminal (321-11), B2 terminal (322-2), B3 terminal (322-3) and A10 terminal (321-10) of the USB C type plug (320) and wires can be connected

Accordingly, when the USB C-type plug 310 is inserted into the USB C-type receptacle 110, the plurality of terminals of the USB A-type receptacle 330 are the RJ12 receptacle 210 among the plurality of terminals of the USB C-type receptacle 110. ) may be connected to at least some of the terminals except for terminals identified as being connected to a plurality of terminals.

Meanwhile, the processor 120 may set pin-outs of terminals connected to the plurality of terminals of the USB A-type receptacle 330 among the plurality of terminals of the USB C-type receptacle 110 based on the identified direction.

Specifically, when the processor 120 identifies that the direction in which the USB C-type plug 320 is inserted into the USB-C-type receptacle 110 is the first direction, the A6 terminal 111-6 of the USB-C-type receptacle 110 ), A7 terminal (111-7), A2 terminal (111-2), A3 terminal (111-3), B11 terminal (112-11), and B11 terminal (112-10) pin out to D+ terminal, D - Terminal, TX+ terminal, TX- terminal can be set as RX+ terminal and RX- terminal.

On the other hand, if the processor 120 identifies that the direction in which the USB C type plug 320 is inserted into the USB C type receptacle 110 is the second direction, the B6 terminal 112-6 of the USB C type receptacle 110, Set the pinout of B7 terminal (112-7), B2 terminal (112-2), B3 terminal (112-3), A11 terminal (111-11) and A10 terminal (112-10) to D+ terminal and D- terminal, respectively. , TX+ terminal, TX- terminal can be set as RX+ terminal and RX- terminal.

As such, the display device 100 according to an embodiment of the present disclosure connects pin-outs of the remaining terminals that are not connected to the plurality of terminals of the RJ12 receptacle 210 among the plurality of terminals of the USB C-type receptacle 110. It is set to correspond to the pin-out of the USB A-type receptacle 330 to perform communication with the external electronic device 200 and at the same time communicate with other external electronic devices connected through the USB-A type receptacle 330. .

12 is a diagram for explaining a circuit diagram of a display device according to an exemplary embodiment of the present disclosure.

Referring to FIG. 12, among the plurality of terminals of the USB C-type receptacle 110, terminal A2 111-2, terminal A3 111-3, terminal A6 111-6, terminal A7 111-7, Terminal A10 (111-10), Terminal A11 (111-11), Terminal B2 (112-2), Terminal B3 (112-3), Terminal B6 (112-6), Terminal B7 (112-7), Terminal B10 (112-10) and B11 terminal (112-11) may be connected to the processor 120 through the MUX.

Here, the MUX 101 includes the TX1/RX1 line, the DP lanes 0/1 line, and the TX2/RX2 lines connected to the processor 120, the A2 terminal 111-2, the A3 terminal 111-3, and the A6 terminal (111-6), A7 terminal (111-7), A10 terminal (111-10), A11 terminal (111-11), B2 terminal (112-2), B3 terminal (112-3), B6 terminal (112 -6), the B7 terminal 112-7, the B10 terminal 112-10, and the B11 terminal 112-11 may perform a function of determining a connection relationship.

Here, the TX1/RX1 line may refer to a line connected to the IR terminal, TX terminal, RX terminal, and CLK terminal of the RJ12 receptacle 210.

In this case, the processor 120 determines the direction in which the USB C-type plug 320 is inserted into the USB-C-type receptacle 110 and the pin-out of the plurality of terminals of the RJ12 receptacle, A2 terminal 111-2, A3 Terminal 111-3, Terminal A6 (111-6), Terminal A7 (111-7), Terminal A10 (111-10), Terminal A11 (111-11), Terminal B2 (112-2), Terminal B3 ( 112-3), B6 terminal (112-6), B7 terminal (112-7), B10 terminal (112-10) and B11 terminal (112-11) of the RJ12 receptacle (210) IR terminal, TX terminal, RX The MUX 101 can be controlled so that the terminals connected to the terminal and the CLK terminal are connected to the TX1/RX1 lines, respectively.

Also, the DP Lanes 0/1 line may refer to a line connected to the D- terminal and the D+ terminal of the USB A-type receptacle 330.

Also, the TX2/RX2 line may refer to a line connected to the RX+ terminal, the RX- terminal, the TX+ terminal, and the TX- terminal of the USB A type receptacle 330 .

In this case, the processor 120 selects the A2 terminal 111-2, the A3 terminal 111-3, and the A6 terminal ( 111-6), A7 terminal (111-7), A10 terminal (111-10), A11 terminal (111-11), B2 terminal (112-2), B3 terminal (112-3), B6 terminal (112- 6), B7 terminal (112-7), B10 terminal (112-10) and B11 terminal (112-11), D- terminal and D+ terminal of USB A type receptacle 330, RX+ terminal, RX- terminal, TX+ The MUX 101 can be controlled so that the terminals connected to the terminal and the TX- terminal are connected to the DP Lanes 0/1 line and the TX2/RX2 line, respectively.

In this way, the processor 120 may set pin-out of a plurality of terminals of the USB-C type receptacle 110 . Meanwhile, detailed information about setting the pin-out of the plurality of terminals of the USB C-type receptacle 110 by the processor 120 will be omitted from the above description.

And, among the plurality of terminals of the USB C-type receptacle 110, the A1 terminal 111-1, the A5 terminal 111-5, the A8 terminal 111-8, the A12 terminal 111-12, and the B1 terminal 112 -1), the B5 terminal 112-5, the B8 terminal 112-8, and the B12 terminal 112-12 may be connected to the CC Logic PD Controller 102.

In this case, the CC Logic PD Controller 102 may supply VBUS power to the A1 terminal 111-1, the A12 terminal 111-12, the B1 terminal 112-1, and the B12 terminal 112-12.

In addition, the CC Logic PD Controller 102 may detect voltages of the A5 terminal 111-5, the A8 terminal 111-8, the B5 terminal 112-5, and the B8 terminal 112-8. In addition, the processor 120 detects the A5 terminal 111-5, the A8 terminal 111-8, the B5 terminal 112-5, and the B8 terminal 112-8 through the CC Logic PD Controller 102. A direction in which the USB C-type plug 320 is inserted into the USB-C-type receptacle 110 may be identified based on the voltage of . Meanwhile, detailed information about identifying the direction in which the processor 120 is inserted will be omitted since it has been described above.

13 is a flowchart illustrating a method of controlling a display device according to an embodiment of the present disclosure.

First, among the plurality of terminals of the USB C-type receptacle, terminals connected to the plurality of terminals of the RJ12 receptacle of the external electronic device are identified (S1210).

Then, the signal is transmitted to the external electronic device through at least one of the third terminal and the fourth terminal respectively connected to the first terminal and the second terminal of the RJ12 receptacle among the identified terminals (S1220).

In this case, in operation S1220 , a signal may be received from the external electronic device based on a signal transmitted to the external electronic device through the third terminal, the fourth terminal, or the third and fourth terminals.

Then, when a signal is received from the external electronic device based on the transmitted signal, pin outs of a plurality of terminals of the RJ12 receptacle of the external electronic device are identified based on the received signal (S1230).

And, based on the identified pin-out, pin-out of the identified terminals is set, and communication with the external electronic device is performed through the terminals to which the pin-out is set (S1240).

Meanwhile, the plurality of terminals of the RJ12 receptacle may include at least one of a GND terminal, a TX terminal, an RX terminal, an IR terminal, an NC terminal, and a CLK terminal.

In this case, when the plurality of terminals of the RJ12 receptacle do not include the CLK terminal, one of the first terminal and the second terminal is a TX terminal, and when the plurality of terminals of the RJ12 receptacle include the CLK terminal, the first The terminal may be a TX terminal, and the second terminal may be a CLK terminal.

Also, the plurality of terminals of the USB-C type receptacle may include a CC1 terminal, a CC2 terminal, an SBU1 terminal, and an SBU2 terminal.

And, the control method identifies the direction in which the USB C-type plug is inserted into the USB-C-type receptacle based on whether at least one of the CC1 terminal, the CC2 terminal, the SBU1 terminal, and the SBU2 terminal is connected to a pull-up resistor or a pull-down resistor. It may further include steps to do.

In this case, if the SBU1 and CC1 terminals are connected to the pull-up resistor and the SBU2 and CC2 terminals are identified as being connected to the pull-down resistor, the inserted direction is identified as the first direction, and the SBU1 and CC1 terminals are connected to the pull-down resistor. connected, and if it is identified that the SBU2 and CC2 terminals are connected to the pull-up resistor, it can be identified that the inserted direction is the second direction.

And, the plurality of terminals of the USB-C type receptacle include first high-speed data communication terminals and second high-speed data communication terminals, and the first high-speed data communication terminals include a Tx1+ terminal, a Tx1- terminal, an Rx1+ terminal, and an Rx1- terminal. , and the second high-speed data communication terminals may include a Tx2+ terminal, a Tx2- terminal, an Rx2+ terminal, and an Rx2- terminal.

And, when the inserted direction is the first direction, the Tx1+ terminal, the Tx1- terminal, the Rx1+ terminal, and the Rx1- terminal are identified as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device, and the insertion direction is the first. In the case of two directions, the Tx2+ terminal, the Tx2- terminal, the Rx2+ terminal, and the Rx2- terminal may be identified as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device.

In addition, the third terminal is the Tx2+ terminal when the inserted direction is the first direction, the Tx1+ terminal when the inserted direction is the second direction, and the fourth terminal is the Rx2 terminal when the inserted direction is the first direction. - terminal, and when the inserted direction is the second direction, it may be an Rx1- terminal.

And, the cable further includes a USB A-type receptacle including a plurality of terminals, and the plurality of terminals of the USB-A-type receptacle include at least some terminals other than the identified terminals among the plurality of terminals of the USB-C-type receptacle. can be connected

In this case, the control method may further include setting pin-outs of terminals connected to the plurality of terminals of the USB A-type receptacle among the plurality of terminals of the USB-C-type plug based on the identified direction.

14 is a detailed configuration diagram of a display device according to an embodiment of the present disclosure.

Referring to FIG. 14 , the display device 100 includes a USB C-type receptacle 110, a processor 120, a display 130, a memory 140, a communication interface 150, a user input unit 160, and a microphone 170. ) and a speaker 180. Meanwhile, the components shown in FIG. 14 are only examples, and of course, at least some components may be omitted or other components may be added according to embodiments.

In addition, since the USB-C type receptacle 110 and the processor 120 have been described in FIGS. 1 to 13, detailed descriptions of overlapping parts will be omitted.

The display 130 may display an image. Also, the display 130 may display a UI screen for operation of the display device 100 . To this end, the display 130 may be implemented with various types of displays such as LCD, LED, or OLED. In this case, the processor 120 may receive image information from the external electronic device 200 through the USB C-type receptacle 110 and display it on the display 130 .

Data for operation of the display device 100 may be stored in the memory 140 . For example, the manufacturer or model of the external electronic device 200 and the pin outs of the plurality of terminals of the RJ12 receptacle 210 may be matched and stored in the memory 140 . In this case, the processor 120 pins out the RJ12 receptacle 210 of the external electronic device 200 based on the information stored in the memory 140 and the external electronic device 200 information received from the external electronic device 200. can identify.

Also, at least one instruction related to the display device 100 may be stored in the memory 140 . Also, an operating system (O/S) for driving the display device 100 may be stored in the memory 140 . Also, various software programs or applications for operating the display device 100 according to various embodiments of the present disclosure may be stored in the memory 140 . Also, the memory 140 may include a semiconductor memory such as a volatile memory or a flash memory or a magnetic storage medium such as a hard disk.

The communication interface 150 is a component that communicates with an external device or server. The processor 120 may transmit various data to an external device or server through the communication interface 150 and receive various data from the external device. In this case, the processor 120 may receive information about content stored in an external device or server through the communication interface 150 . Also, the processor 120 may display content stored in the external device on the display 130 based on the received information.

For example, the communication interface 150 communicates with various external devices through a wireless communication method such as BT (Bluetooth), BLE (Bluetooth Low Energy), WI-FI (Wireless Fidelity), Zigbee, or IR (Infrared) communication method can be performed. Meanwhile, the communication interface 150 may be mounted on the processor 120 or may be included in the display device 100 as a separate configuration from the processor 120 .

The user input unit 160 is a component for receiving various user commands. For example, the user input unit 160 may include a touch panel and the like, and may also include a remote control signal receiving unit to receive various user commands from a remote controller for controlling the display apparatus 100. In this case, the processor 120 may control other components to execute various functions according to a user command input through the user input unit 160 .

The microphone 170 may receive voice. Here, the voice may include a user command for controlling the operation of the display apparatus 100 . In this case, the processor 120 may recognize voice input through the microphone 170 and control various components of the display device 100 according to the recognized voice.

The speaker 180 may output an audio signal. In this case, when the processor 120 receives an audio signal from the external electronic device 200 through the USB-C type receptacle 110, the processor 120 may output the received audio signal through the speaker 180.

Meanwhile, according to an exemplary embodiment of the present disclosure, the various embodiments described above may be implemented as software including instructions stored in a machine-readable storage medium (eg, a computer). A device is a device capable of calling a command stored from a storage medium and operating according to the called command, and may include a device according to the disclosed embodiments. When a command is executed by a processor, the processor directly or A function corresponding to a command may be performed using other components under the control of the processor. A command may include code generated or executed by a compiler or an interpreter. A device-readable storage medium is a non-temporary It can be provided in the form of a (non-transitory) storage medium, where 'non-transitory storage medium' only means that it is a tangible device and does not contain a signal (e.g. electromagnetic wave), This term does not distinguish between a case where data is stored semi-permanently and a case where data is temporarily stored in a storage medium, for example, 'non-temporary storage medium' may include a buffer in which data is temporarily stored.

According to one embodiment, the method according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products may be traded between sellers and buyers as commodities. A computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store™) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smartphones. In the case of online distribution, at least a part of a computer program product (eg, a downloadable app) is stored on a device-readable storage medium such as a memory of a manufacturer's server, an application store server, or a relay server. It can be temporarily stored or created temporarily.

Although the preferred embodiments of the present disclosure have been shown and described above, the present disclosure is not limited to the specific embodiments described above, and is common in the technical field belonging to the present disclosure without departing from the gist of the present disclosure claimed in the claims. Of course, various modifications and implementations are possible by those with knowledge of, and these modifications should not be individually understood from the technical spirit or perspective of the present disclosure.

100: display device 110: USB C type receptacle

Claims (18)

A display device that communicates with an external electronic device electrically connected to an RJ12 plug of an RJ12 to USB C type cable,
a USB C-type receptacle including a plurality of terminals electrically connected to a plurality of terminals of a USB C-type plug of the cable; and
Among the plurality of terminals of the USB C-type receptacle, terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device are identified;
Transmits a signal to the external electronic device through at least one of a third terminal and a fourth terminal respectively connected to the first terminal and the second terminal of the RJ12 receptacle among the identified terminals;
When a signal is received from the external electronic device based on the transmitted signal, identifying pin outs of a plurality of terminals of an RJ12 receptacle of the external electronic device based on the received signal;
and a processor configured to set pin outs of the identified terminals based on the identified pin outs, and to communicate with the external electronic device through the terminals to which the pin outs are set.
According to claim 1,
the processor,
A display device configured to receive a signal from the external electronic device based on a signal transmitted to the external electronic device through the third terminal, the fourth terminal, or the third terminal and the fourth terminal.
According to claim 1,
The plurality of terminals of the RJ12 receptacle include at least one of a GND terminal, a TX terminal, an RX terminal, an IR terminal, an NC terminal, and a CLK terminal,
When the plurality of terminals of the RJ12 receptacle do not include the CLK terminal, one of the first terminal and the second terminal is the TX terminal,
When the plurality of terminals of the RJ12 receptacle include the CLK terminal, the first terminal is the TX terminal, and the second terminal is the CLK terminal.
According to claim 1,
The plurality of terminals of the USB C-type receptacle include a CC1 terminal, a CC2 terminal, an SBU1 terminal, and an SBU2 terminal,
the processor,
The direction in which the USB C-type plug is inserted into the USB-C-type receptacle is determined based on whether at least one of the CC1 terminal, the CC2 terminal, the SBU1 terminal, and the SBU2 terminal is connected to a pull-up resistor or a pull-down resistor. Display device to identify.
According to claim 4,
the processor,
When it is identified that the SBU1 and CC1 terminals are connected to the pull-up resistor and the SBU2 and CC2 terminals are connected to the pull-down resistor, the inserted direction is identified as a first direction;
When it is identified that the SBU1 and CC1 terminals are connected to the pull-down resistor and the SBU2 and CC2 terminals are connected to the pull-up resistor, the inserted direction is identified as a second direction.
According to claim 5,
A plurality of terminals of the USB C-type receptacle,
It includes first high-speed data communication terminals and second high-speed data communication terminals,
The first high-speed data communication terminals include a Tx1+ terminal, a Tx1- terminal, an Rx1+ terminal, and an Rx1- terminal,
The second high-speed data communication terminals include a Tx2+ terminal, a Tx2- terminal, an Rx2+ terminal, and an Rx2- terminal,
the processor,
When the inserted direction is the first direction, the Tx1+ terminal, the Tx1- terminal, the Rx1+ terminal, and the Rx1- terminal are identified as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device,
When the inserted direction is the second direction, a display device identifying the Tx2+ terminal, the Tx2- terminal, the Rx2+ terminal, and the Rx2- terminal as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device. .
According to claim 6,
The third terminal,
When the inserted direction is a first direction, the Tx2+ terminal, and when the inserted direction is a second direction, the Tx1+ terminal;
The fourth terminal,
When the inserted direction is the first direction, the Rx2-terminal, and when the inserted direction is the second direction, the Rx1-terminal.
According to claim 4,
The cable further includes a USB A type receptacle including a plurality of terminals,
A plurality of terminals of the USB A type receptacle,
A display device connected to at least some terminals other than the identified terminals among the plurality of terminals of the USB C-type receptacle.
According to claim 8,
the processor,
A display device that sets pin-outs of terminals connected to the plurality of terminals of the USB A-type receptacle among the plurality of terminals of the USB-C-type plug based on the identified direction.
A method for controlling a display device that communicates with an external electronic device electrically connected to an RJ12 plug of a RJ12 to USB C type cable,
identifying terminals connected to the plurality of terminals of the RJ12 receptacle of the external electronic device among the plurality of terminals of the USB C-type receptacle electrically connected to the plurality of terminals of the USB-C type plug of the cable;
transmitting a signal to the external electronic device through at least one of a third terminal and a fourth terminal respectively connected to the first terminal and the second terminal of the RJ12 receptacle among the identified terminals;
identifying pin outs of a plurality of terminals of an RJ12 receptacle of the external electronic device based on the received signal when a signal is received from the external electronic device based on the transmitted signal; and
A control method of a display device comprising: setting pin outs of the identified terminals based on the identified pin outs, and communicating with the external electronic device through terminals to which the pin outs are set.
According to claim 10,
The control method,
Controlling the display device further comprising receiving a signal from the external electronic device based on a signal transmitted to the external electronic device through the third terminal, the fourth terminal, or the third terminal and the fourth terminal. method.
According to claim 10,
The plurality of terminals of the RJ12 receptacle include at least one of a GND terminal, a TX terminal, an RX terminal, an IR terminal, an NC terminal, and a CLK terminal,
When the plurality of terminals of the RJ12 receptacle do not include the CLK terminal, one of the first terminal and the second terminal is the TX terminal,
When the plurality of terminals of the RJ12 receptacle include the CLK terminal, the first terminal is the TX terminal, and the second terminal is the CLK terminal.
According to claim 10,
The plurality of terminals of the USB C-type receptacle include a CC1 terminal, a CC2 terminal, an SBU1 terminal, and an SBU2 terminal,
The control method,
The direction in which the USB C-type plug is inserted into the USB-C-type receptacle is determined based on whether at least one of the CC1 terminal, the CC2 terminal, the SBU1 terminal, and the SBU2 terminal is connected to a pull-up resistor or a pull-down resistor. A method of controlling a display device further comprising: identifying;
According to claim 13,
The step of identifying the inserted direction is,
When it is identified that the SBU1 and CC1 terminals are connected to the pull-up resistor and the SBU2 and CC2 terminals are connected to the pull-down resistor, the inserted direction is identified as a first direction;
When the SBU1 and CC1 terminals are connected to the pull-down resistor and the SBU2 and CC2 terminals are identified as being connected to the pull-up resistor, the inserted direction is identified as a second direction.
According to claim 14,
A plurality of terminals of the USB C-type receptacle,
It includes first high-speed data communication terminals and second high-speed data communication terminals,
The first high-speed data communication terminals include a Tx1+ terminal, a Tx1- terminal, an Rx1+ terminal, and an Rx1- terminal,
The second high-speed data communication terminals include a Tx2+ terminal, a Tx2- terminal, an Rx2+ terminal, and an Rx2- terminal,
The step of identifying the inserted direction,
When the inserted direction is the first direction, the Tx1+ terminal, the Tx1- terminal, the Rx1+ terminal, and the Rx1- terminal are identified as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device,
When the inserted direction is the second direction, the display device identifying the Tx2+ terminal, the Tx2- terminal, the Rx2+ and the Rx2- terminals as terminals connected to a plurality of terminals of the RJ12 receptacle of the external electronic device. control method.
According to claim 15,
The third terminal,
When the inserted direction is a first direction, the Tx2+ terminal, and when the inserted direction is a second direction, the Tx1+ terminal;
The fourth terminal,
When the inserted direction is the first direction, the Rx2-terminal, and when the inserted direction is the second direction, the Rx1-terminal.
According to claim 14,
The cable further includes a USB A type receptacle including a plurality of terminals,
A plurality of terminals of the USB A type receptacle,
A control method of a display device connected to at least some terminals other than the identified terminals among a plurality of terminals of the USB C-type receptacle.
According to claim 17,
The control method.
Setting pin-outs of terminals connected to the plurality of terminals of the USB A-type receptacle among the plurality of terminals of the USB-C-type plug based on the identified direction;

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