KR101067780B1 - Method for outputting data and display unit enabling of the method - Google Patents

Abstract

The present invention relates to a data display method of a display device and a display device employing the method. More particularly, the present invention transmits data from a first display control unit to a second display control unit, and a screen is displayed on the second display control unit. The present invention relates to a data display method of a display device that increases the convenience of a user by controlling the output to a unit, and a display device employing the method.

Display device, screen, USB, split screen, second display

Description

TECHNICAL FOR OUTPUTTING DATA AND DISPLAY UNIT ENABLING OF THE METHOD}

The present invention relates to a data display method of a display device and a display device employing the method. More particularly, the present invention transmits data from a first display control unit to a second display control unit, and a screen is displayed on the second display control unit. The present invention relates to a data display method of a display device that increases the convenience of a user by controlling the output to a unit, and a display device employing the method.

Conventional broadcast receivers are serviced in such a manner that content produced by a broadcaster is transmitted through a radio wave transmission medium such as terrestrial, cable, or satellite broadcasting, and a user views the receiver through a receiver capable of receiving the respective delivery media. .

However, as digital-based digital broadcasting technology has been developed and commercialized in existing analog broadcasting, real-time broadcasting, contents on demand, games, and news using Internet networks connected to homes in addition to existing radio waves or wired cable media. It is now possible to provide a variety of content services to the user.

On the other hand, while providing these various types of content services to the user, digital broadcast receivers often provide additional information in addition to the video signal, the additional information is mainly overlaid on the video signal and output, so that the user's video There was a problem that may cause inconvenience in viewing the signal.

1 is a diagram illustrating an embodiment of outputting a screen in a broadcast receiver according to the related art. Referring to FIG. 1, since the broadcast receiver of the prior art outputs the OSD 102 over the video signal, the broadcast receiver obscures the video signal, so that the user may feel uncomfortable.

2 is a diagram illustrating a process of generating and outputting a screen in a conventional broadcast receiver.

Referring to FIG. 2, the broadcast receiver according to the related art demodulates the broadcast signal received by the tuner 201 in the demodulator 202. The demultiplexer 203 demultiplexes audio data and video data from the broadcast signal demodulated by the demodulator 202. The demultiplexed audio data and video data are transmitted to the decoder 204, and the decoder 204 decodes the received data. The screen overlay block 205 overlays an OSD on the decoded video data and outputs the OSD to the display unit 206.

Therefore, the screen output in this manner is output on the video data as described above, and thus interferes with the viewing of the video data, thereby improving the inconvenience and allowing the user to watch the video data without being disturbed by the OSD. And the development of display devices employing the method are urgently requested.

The present invention solves the problems of the prior art as described above, by outputting data excluding the video signal to the second display unit, a data display method and a method for the user to conveniently watch the video signal on the first display unit It is an object of the present invention to provide a display device employing the same.

The present invention also provides a data display method and a display device employing the method by extracting the data contained in the broadcast signal and outputting it to the second display unit, so that the user can conveniently watch the broadcast signal on the first display unit. To provide for other purposes.

The present invention also provides a data display method and method for outputting data received from a content server through a network connection such as the Internet to a second display unit so that a user can conveniently watch an image signal on the first display unit. Another object of the present invention is to provide a adopted display device.

In addition, the present invention employs a data display method and a method for solving the problem that the user can not see the video signal is hidden by the screen by extracting the output data according to the user's selection input and output to the second display unit It is another object to provide one display device.

According to an embodiment of the present invention, a data display method of a display device including at least two independent display units includes: outputting data from a first display controller to a second display controller; Controlling the screen to be output to a second display unit by using the data in the second display controller; And outputting the screen on the second display unit.

In this case, the data may include data related to a thumbnail image or a received video signal.

In this case, the video signal and data related to the video signal may be included in the broadcast signal and transmitted.

The data display method may further include extracting the data from the broadcast signal.

In this case, the data may include one or more of caption data, EPG data, broadcast related information, and thumbnail images.

In addition, the data may be transmitted from a predetermined content server.

In addition, the data may be output in response to a user's selection input.

The second display unit may be attached to one surface of the display device, and the first display control unit and the second display control unit may be connected to a network through a predetermined connection unit.

The data display method may further include determining, by the first display controller, data to be output to the second display controller in response to a user's selection input.

The data may be data output separately from the video signal.

According to another aspect of the present invention, there is provided a display apparatus including a first display unit configured to output an image signal; A first display controller which outputs data to the second display controller; A second display controller which receives the data and controls the screen to be output to a second display unit by using the data; And a second display unit for outputting the screen.

In this case, the data may include data related to a thumbnail image or a received video signal.

In addition, the video signal and the data may be included in the broadcast signal and transmitted.

The first display control unit may extract the data from the broadcast signal.

The data may include one or more of caption data, EPG data, video signal information, and thumbnail images.

At this time, the data may be transmitted from a predetermined content server.

In addition, the data may be output in response to a user's selection input.

The second display unit may be attached to one surface of the display device, and the first display control unit and the second display control unit may be connected to a network through a predetermined connection unit.

The first display controller may determine data to be output to the second display controller in response to a user's selection input.

The data may be data output separately from the video signal.

The present invention has an effect of allowing a user to conveniently watch an image signal on the first display unit by outputting data excluding the image signal to the second display unit.

In addition, the present invention has the effect of allowing the user to conveniently watch the broadcast signal on the first display unit by extracting the data contained in the broadcast signal and output to the second display unit.

In addition, the present invention has an effect of allowing the user to conveniently watch the video signal on the first display unit by outputting data received from the content server through a network connection such as the Internet to the second display unit.

In addition, the present invention has the effect of solving the problem that the user can not watch the video signal is hidden by the screen by extracting the data output according to the user's selection input and output to the second display unit.

Hereinafter, a method of displaying data of a display device and a display device employing the method will be described in detail with reference to the accompanying drawings.

The terms used in the present invention have been selected as widely used general terms as possible in consideration of the functions in the present invention, but may vary according to the intention or custom of the person skilled in the art or the emergence of new technologies. In addition, in certain cases, there is also a term arbitrarily selected by the applicant, in which case the meaning will be described in detail in the description of the invention. Therefore, the terms used in the present invention should be defined based on the meanings of the terms and the contents throughout the present invention, rather than the names of the simple terms.

3 is a diagram illustrating an embodiment of a display device according to the present invention. The display device according to an exemplary embodiment of the present invention includes a first display unit 301 and a second display unit 302.

According to an embodiment, the second display unit 302 is attached to one surface of the display device. For example, the second display unit 302 may be attached to one bottom surface of the first display unit 301. The first display unit 301 may be controlled by the first display controller, and the second display unit 302 may be controlled by the second display controller. In this case, the first display controller and the second display controller are controlled. May be networked through a predetermined connection.

In FIG. 3, the second display unit is illustrated as an example, but a plurality of second display units may be implemented according to the exemplary embodiment.

The display device of the present invention includes an IPTV (Internet Protocol Television) providing content using an internet network as well as a broadcast receiver that receives and outputs content produced by a broadcaster through terrestrial, cable or satellite broadcasting.

4 is a cross-sectional view of a display device according to an embodiment of the present invention. Referring to FIG. 4, a display device according to an exemplary embodiment may include a first display controller 402 and a second display unit 403 for controlling the first display unit 401 and the first display unit 401. And a second display controller 404 for controlling the second display unit 403.

In some embodiments, the second display unit 403 and the second display control unit 404 are attached to one surface of the display device. For example, the second display unit 403 and the second display control unit 404 may be attached to one lower surface of the first display unit 401 and the first display control unit 402. In this case, the first display control unit 402 and the second display control unit 404 may be network-connected through a predetermined connection unit 405.

The connection unit 405 serves as a passage between the first display control unit 402 and the second display control unit 404. The connection unit 405 transmits various data, control signals, and various images from the first display control unit 402 to the second display control unit 404, or supplies them to the second display unit 403 or the second display control unit 404. To be powered. For example, the connection unit 405 may include a wired / wireless data port, and according to an exemplary embodiment, a universal serial bus (USB), a Bluetooth (Bluetooth), a radio frequency identification (RFID), an infrared communication (IrDA) ), Or a module for short range communication such as ultra wideband (UWB) or ZigBee.

5 is a block diagram showing the configuration of a display device according to an embodiment of the present invention. Referring to FIG. 5, a display device according to an exemplary embodiment may include a first display controller 501, a first display unit 502, a connection unit 503, a second display controller 504, and a second display unit. And 505.

The first display controller 501 controls the video signal received from the outside or stored in the internal storage means to be displayed on the first display unit 502.

In this case, the video signal includes not only a broadcast signal received through terrestrial, cable or satellite broadcasting, but also content using an internet network. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal.

Meanwhile, the first display controller 501 receives an image signal and data related to the output of the image signal.

In the present invention, the data is a concept including all data that can be output separately from the video signal. The data may be included in the broadcast signal and received together with the video signal, or may be stored in predetermined storage means included in the display device. It may be transmitted from a predetermined content server through a network (for example, the Internet).

For example, the data may be thumbnail images extracted from caption data transmitted in a broadcast signal, electronic program guide (EPG) data, broadcast related information, or video data included in a broadcast signal. At this time, the data may be extracted from the broadcast signal and pre-stored in the storage means.

The data may also be image data read from the storage means in accordance with a user's input (eg, selection of various functions).

In addition, the data may be a menu (eg, a widget menu) transmitted from a content server according to a user's menu selection, or various types of content data (eg, weather, stock information, etc.).

The first display controller 501 determines data to be output to the second display controller 504 according to a user's selection input.

For example, when the user selects an EPG output command, the first display controller 501 determines the EPG data as data to be output to the second display controller 504.

As another example, when the user selects the reproduction of the video signal, the first display controller 501 determines the caption data that can be output separately from the video signal corresponding to the video signal as data.

As another example, when the user executes the widget function, the first display controller 501 determines the widget menu as data. In addition, when the user selects to view the stock information via the Internet, the first display controller 501 determines the stock information data, which can be output separately from the image signal, as data.

The first display controller 501 transmits the determined data to the second display controller.

The second display controller 504 receives data from the first display controller 501 through the connection unit 503, and controls the screen to be output to the second display unit 504 using the data.

The second display unit 505 outputs a screen according to the control of the sub controller 504.

6 is a flowchart illustrating a process of outputting a screen in a display device according to an embodiment of the present invention.

Referring to FIG. 6, in operation S601, the first display controller of the display device determines data to be transmitted to the second display controller according to a user's selection input.

In this case, the user's selection input includes all commands or menu selections that can output the screen.

Data is a concept that includes all data that can be output separately from the video signal, may be included in the broadcast signal and received with the video signal, may be stored in a predetermined storage means included in the display device, As described above, it may be transmitted from a predetermined content server through a network (eg, the Internet).

In operation S602, the first display controller transmits the determined data to the second display controller. In this case, the first display control unit may transmit data to the second display control unit through the connection unit, and various wired and wireless data transmission schemes may be used according to embodiments.

In operation S603, the second display controller receives data and controls the screen to be output to the second display unit using the data.

The second display unit 505 outputs a screen according to the control of the sub controller 504.

FIG. 7 is a diagram for one embodiment of outputting data included in a broadcast signal and transmitted by a second display unit according to the present invention.

In step S701, the display apparatus selects and inputs a predetermined menu. The first display controller determines whether the data to be output is caption data according to the menu selected by the user in step S702.

If the data to be output is caption data, in step S703, the display device extracts caption data from the broadcast signal, and then transmits the caption data extracted in step S704 to the second display controller, and the second display controller receives the caption data. Output the subtitle data to the second display unit.

After determining whether the data to be output is EPG data in step S705, and when the data to be output is EPG data, in step S706, the display device extracts EPG data from the broadcast signal and extracts it in step S704. The received EPG data to the second display control unit, and the second display control unit outputs the received EPG data to the second display unit.

Similarly, when the data to be output is broadcast related information, the display device extracts broadcast related information related to a broadcast program being output to the first display unit from the broadcast signal and outputs the broadcast related information to the second display controller, wherein the second display controller is inputted. The broadcast related information is output on the screen of the second display unit.

 In operation S707, the display device determines whether the output data is a thumbnail image. If the output data is a thumbnail image, the display device extracts a thumbnail image from video data of the broadcast signal in operation S708. ) Transmits the thumbnail image extracted to the second display control unit, and the second display control unit outputs the received thumbnail image to the second display unit.

In this case, data such as caption data, EPG information, broadcast related information, and thumbnail images may be pre-extracted from the broadcast signal and pre-stored in the storage means.

8 is a diagram illustrating a process of outputting, as data, content transmitted from a content server to a second display unit according to an embodiment of the present invention.

Referring to FIG. 8, in operation S801, the display apparatus determines whether a user selects and inputs a menu related to a network connection.

As a result of the determination in step S801, when the user selects and inputs a menu related to a network connection, the first display controller receives data related to the menu selected in step S802, and then, in step S803, the second display control unit. The second display controller outputs the received data to the second display unit.

In this case, the data may be a menu (for example, a widget menu) transmitted from a content server according to a user's menu selection, or a variety of content data (for example, weather, stock information, etc.).

For example, when the user executes the widget function in step S801, the first display controller determines the widget menu as data and transmits the data to the second display controller, and the sub-control unit transmits the widget menu to the second display unit. Output

In addition, when the user selects to view the stock information via the Internet in step S801, the first display controller determines the stock information data, which can be output separately from the image signal, as data, and transmits it to the second display controller. The display control unit outputs stock information data to the second display unit.

9 is a diagram illustrating a process of outputting previously stored data to a second display unit according to an embodiment of the present invention.

 Referring to FIG. 9, in step S901, the display device according to an embodiment of the present invention determines whether the user selects and inputs a menu for outputting pre-stored data. As a result of the determination in step S901, when the user selects and inputs a menu for outputting the pre-stored data, the first display controller reads data to be output according to the user's menu selection in the storage means in step S902, In operation S903, the display is transmitted to the second display controller, and the second display controller outputs the screen to the second display unit by using the received data.

At this time, the data may be image data read from the storage means according to a user's input (for example, selection of various functions).

10 is a diagram illustrating an embodiment of a screen output to a second display unit according to the present invention.

Referring to FIG. 10, the display device according to an exemplary embodiment may output an image signal from the first display unit 1001 and output data from the second display units 1002, 1003, 1004, and 1005. have.

In this case, the data may be caption data 1002, EPG data 1003, thumbnail image 1004, or prestored data 1005 that is output according to a user's function selection. Also, although not shown, the information may be broadcast related information about data or a broadcast program transmitted from a content server.

Accordingly, the present invention has an effect of allowing the user to conveniently watch the video signal on the first display by outputting data excluding the video signal to the second display.

In addition, the present invention has the effect of allowing the user to conveniently watch the broadcast signal on the first display unit by extracting the data contained in the broadcast signal and output to the second display unit.

In addition, the present invention outputs the data received from the content server through a network connection, such as Ethernet to the second display unit, there is an effect that allows the user to conveniently watch the video signal on the first display unit.

In addition, the present invention has the effect of solving the problem that the user can not watch the video signal is hidden by the screen by extracting the data output according to the user's selection input and output to the second display unit.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Accordingly, the spirit of the present invention should be understood only by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

1 is a diagram illustrating an embodiment of outputting a screen in a conventional broadcast receiver.

2 is a diagram illustrating a process of generating and outputting a screen in a conventional broadcast receiver.

3 shows an embodiment of a display device according to the invention.

4 is a cross-sectional view of a display device according to an embodiment of the present invention.

5 is a block diagram illustrating a configuration of a display device according to an embodiment of the present invention.

6 is a flowchart illustrating a process of outputting a screen in a display device according to an embodiment of the present invention.

7 is a diagram illustrating a process of outputting, by a second display unit, data included in a broadcast signal and transmitted according to an embodiment of the present invention.

8 is a diagram illustrating a process of outputting, as data, content transmitted from a content server to a second display unit according to an embodiment of the present invention.

9 is a diagram illustrating a process of outputting previously stored data to a second display unit according to an embodiment of the present invention.

FIG. 10 illustrates an embodiment of a screen output to a second display unit according to the present invention. FIG.

<Explanation of symbols for the main parts of the drawings>

501: First display controller

502: first display unit

503: connection

504: second display controller

505: second display unit

Claims (20)

A data display method in a display device including at least two or more independent display modules, Selecting additional data to be output to the second display module from the additional data for the image signal displayed by the first display module; Outputting control data together with the selected additional data from the first display module to the second display module through a connection unit; Controlling the second display module to display the selected additional data according to the control data received from the first display module; And The first display module displaying the video signal, and the second display module displaying the selected additional data. Data display method of the display device comprising a. delete The method of claim 1, And the additional data is included in a broadcast signal and transmitted. The method of claim 3, Extracting the additional data from the broadcast signal. The method of claim 1, The additional data includes one or more of subtitle data, electronic program guide (EPG) data, broadcast related information, and thumbnail images. The method of claim 1, And the additional data is received from a predetermined content server. The method of claim 1, And the additional data is output in response to a user's selection input. The method of claim 1, And a display unit of the second display module is attached to one surface of the display device. delete The method of claim 1, And the selected additional data is data displayed separately from the video signal. A display device comprising two or more independent display modules, A first display module and a second display module, wherein the first display module and the second display module are physically spaced apart from each other, The first display module, Receiving unit for receiving an image signal; A first display unit which displays the video signal; A first display controller configured to perform a first process of selecting additional data with respect to the video signal and to perform a second process of outputting control data together with the selected additional data; And A connection unit for transmitting the output additional data and control data to the second display module at the same time Including, The second display module excluding the receiver, A second display controller configured to control the display of the selected additional data according to the control data received from the connection unit of the first display module; And A second display unit displaying the selected additional data Display device comprising a. delete The method of claim 11, The additional data is included in the broadcast signal and received. The method of claim 13, And the first display controller is configured to extract the additional data from the broadcast signal. The method of claim 11, The additional data includes one or more of subtitle data, electronic program guide (EPG) data, broadcast related information, and thumbnail images. The method of claim 11, And the additional data is received from a predetermined content server. The method of claim 11, And the additional data is output in response to a user's selection input. The method of claim 11, The second display unit is attached to one surface of the display device. delete The method of claim 11, And the selected additional data is data displayed separately from the video signal.

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