CN111462644A - L ED display panel with ring-out function and L ED display screen framework - Google Patents
L ED display panel with ring-out function and L ED display screen framework Download PDFInfo
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- CN111462644A CN111462644A CN202010261240.2A CN202010261240A CN111462644A CN 111462644 A CN111462644 A CN 111462644A CN 202010261240 A CN202010261240 A CN 202010261240A CN 111462644 A CN111462644 A CN 111462644A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The invention discloses an L ED display panel with a loop-out function and a L ED display screen framework, wherein the L ED display panel with the loop-out function comprises L ED display modules and a data board, at least one L ED display module is spliced into a sub-screen body in an M x N mode, the data board is installed on the back surface of the sub-screen body, the data board is provided with a power inlet, a power outlet, a control signal receiving module, a control signal sending module, a display signal receiving module and a display signal sending module, in the L ED display panel, electric energy connection, control signal connection and display signal connection among a plurality of L ED display modules can be realized through the data board, the connection mode among L ED display modules is not needed to be set on site, and common engineering technicians can operate the panel without installing and debugging the site by professional technicians.
Description
Technical Field
The invention relates to the technical field of L ED display, in particular to a L ED display panel with a loop-out function and a framework of a L ED display screen.
Background
L ED display screen is formed by splicing a plurality of L ED display modules, the single L ED display module comprises a display module (also called a display lamp panel), a box body, a receiving card, a data adapter plate, a power supply and other accessories, the plurality of display modules are spliced and installed on the display surface of the box body, and the receiving card, the data adapter plate, the power supply and the other accessories are installed on the box body and drive the display modules to operate.
As shown in fig. 1, the conventional L ED display screen architecture includes a display signal architecture, a control signal architecture, and a power supply architecture.
The display signal architecture comprises a display signal source, a data processing device, a L ED transmitting card and a L ED display screen, wherein the display signal source is a video output device and is used for inputting display signals to the L ED display screen, the data processing device is used for converting various display signal sources into HDMI or DVI data for the L ED transmitting card and comprises a mosaic control device, a matrix device, a graphic processor and other coding and decoding devices, and the L ED transmitting card is a special display system for the L ED display screen, receives display data input from the front end, and transmits corresponding display signals to a receiving card in the L ED display module through a network cable.
The controller is a device for controlling signal output and is used for controlling L display parameters of the ED display screen, wherein the display parameters comprise brightness, contrast, coordinates and the like, and the controller is connected with a L ED display module in the L ED display screen one by one through a USB (universal serial bus) line.
The power supply framework comprises a power supply and L ED display screens, wherein the power supply is equipment for outputting electric energy and is used for supplying power for the L ED display screens, the power supply is connected with a plurality of groups of L ED display modules through power lines, and each group of L ED display modules are connected in series.
The existing L ED display screen framework has great installation difficulty and high requirement on the expertise of an installer, and is mainly reflected in the following points:
(1) l ED display modules require many wires for connection, and the wires are of various types.
(2) In the process of screen installation design, the tape load of a sending card and the tape load of a single network port of the sending card must be considered, so that the wiring mode of display signal data lines and the number of sending boxes of the L ED display module are calculated.
(3) When a plurality of display signals need to be displayed on a screen or the screen is large and needs to be spliced by a plurality of sending boxes, splicing control, a processor, a matrix or coding and decoding equipment must be added in the middle to project a plurality of images onto the screen or splice a plurality of sending boxes for display.
(4) Control signal input needs to be carried out on L ED display modules one by one, which is time-consuming and labor-consuming.
(5) The power supply voltage, the power line wiring and the connection mode are comprehensively considered according to the screen power and the cable loading, and generally, the connection wires of the L ED display module are special wires and are not common in the market.
(6) When a power supply and a signal are integrated, the power and signal transmission aspects need to be comprehensively considered in a loading mode, and the requirement on the speciality is stronger.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an architecture of L ED display panel and L ED display screen with loop-out function according to the above-mentioned deficiencies of the prior art, so as to solve the problems of inconvenient installation and low efficiency.
The technical scheme of the invention is realized as follows:
the L ED display panel with the function of looping comprises L ED display modules and a data board, wherein at least one L ED display module is spliced into a sub-screen body in an M x N mode, M is more than or equal to 1, and N is more than or equal to 1;
the data board inputs electric energy through the power supply inlet, outputs the electric energy to the L ED display module and outputs the electric energy outwards through the power supply outlet;
the data board receives a control signal through the control signal receiving module, converts and outputs the control signal to the L ED display module, and sends the control signal to the outside through the control signal sending module;
the data board receives display signals through the display signal receiving module, converts and outputs the display signals to the L ED display module, and sends the display signals to the outside through the display signal sending module.
Further, the power inlet is one or both of a DC interface, an AC interface; the power outlet is one or both of a DC interface, an AC interface.
Furthermore, a driving power supply is arranged in the L ED display module, and after the electric energy of the data board is output to the L ED display module, the L ED display module converts the electric energy through the driving power supply.
Furthermore, a driving power supply is arranged in the data board, and the data board converts electric energy through the driving power supply and outputs the electric energy to the L ED display module.
Further, the control signal receiving module is any one or a combination of a USB interface, a network cable interface, an infrared receiver and a Bluetooth receiver; the control signal sending module is any one or combination of a USB interface, a network cable interface, an infrared receiver and a Bluetooth receiver.
Furthermore, the display signal receiving module is any one or combination of more of an HDMI interface, a DVI interface, a VGA interface, a USB interface, a network cable interface and a wireless network receiver; the display signal sending module is any one or combination of more of an HDMI interface, a DVI interface, a VGA interface, a USB interface, a network cable interface and a wireless network sender.
L ED display screen architecture, including power supply, controller, display signal source and as above-mentioned L ED display panel, at least two of said L ED display panel splices into a L ED display screen by P x Q way, P > 1, Q is greater than or equal to 1;
the power supply inlet of at least one L ED display panel is connected with the power supply, and the power supply inlets of the other L ED display panels are connected with the power supply outlet of the electrified L ED display panel in series one by one to realize power supply loop-through output;
the control signal receiving module of any L ED display panel is connected with the control signal source, and the control signal receiving modules of the other L ED display panels are connected with the control signal sending module of the L ED display panel which has received the control signal one by one, so that the loop-through output of the control signal is realized;
the display signal receiving module of any L ED display panel is connected with the display signal source, and the display signal receiving modules of the other L ED display panels are connected with the display signal sending module of the L ED display panel which has received the display signals one by one, so that the display signal loop-through output is realized.
L ED display screen architecture, including power supply, controller, display signal source, data processing equipment and the L ED display panel as above, at least two of the L ED display panels are spliced into a L ED display screen in P x Q mode, P > 1, Q ≥ 1;
the power supply inlet of at least one L ED display panel is connected with the power supply, and the power supply inlets of the other L ED display panels are connected with the power supply outlet of the electrified L ED display panel in series one by one to realize power supply loop-through output;
the control signal receiving module of any L ED display panel is connected with the control signal source, and the control signal receiving modules of the other L ED display panels are connected with the control signal sending module of the L ED display panel which has received the control signal one by one, so that the loop-through output of the control signal is realized;
the display signal receiving module of any L ED display panel is connected with the data processing equipment, and the display signal receiving modules of the other L ED display panels are connected with the display signal sending module of the L ED display panel which has received the display signals one by one, so that the display signal loop-through output is realized.
By adopting the technical scheme, the invention has the beneficial effects that:
(1) l ED display panel, can realize the electric energy between a plurality of L ED display module through the data board and connect, control signal connects, shows signal connection, need not the on-the-spot connected mode who sets up between the L ED display module, needn't professional to the on-the-spot installation and debugging, general engineering technical personnel just can operate.
(2) In the framework, the power connection, the control signal connection and the display signal connection among L ED display panels can be realized through a power line, a control signal data line, a display signal data line or a wireless communication technology, so that the use of wires is reduced, meanwhile, the wires adopt standard wires, the wireless communication technology adopts a standard protocol, the wire is convenient to adapt to equipment, and the design of power and signal integrated machine wires is not available, so that the specialty is not strong.
(3) In the structure, the power supply, the controller and the display signal source can supply power, send control signals and send display signals to a plurality of L ED display panels through a power line, a control signal data line and a display signal data line or through a wireless communication technology, so that the use of wires is further reduced, the cost is reduced, and meanwhile, the output ports of the power supply, the controller and the display signal source can be correspondingly reduced, so that the cost is further reduced.
(3) In the framework, a display signal is sent to an L ED display panel, a middle sending box device and a link for connecting a network cable between the sending box and a conventional L ED display module are omitted, so that sending card loading and sending card single-network-port loading are not considered in the screen installation design process, the data line routing mode and the number of the sending boxes of the L ED display module are not calculated, and the requirement on the installation specialty is lowered.
(4) In the framework, when no data processing device is provided, as long as the display signal format of the display signal source is matched with the display signal format required by the L ED display panel, the display signal of the display signal source can be directly input into the L ED display panel, so that a plurality of L ED display panels are spliced for display.
(5) In the framework, when data processing equipment is provided, no matter whether the display signal format of the display signal source is matched with the display signal format required by the L ED display panel, the display signal of the display signal source can be input into the L ED display panel through the data processing equipment, so that a plurality of L ED display panels are spliced for display.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a conventional L ED display screen.
Fig. 2 is a front view of an L ED display panel in the first embodiment.
Fig. 3 is a rear view of an L ED display panel in the first embodiment.
Fig. 4 is a schematic diagram illustrating an L ED display screen according to a second embodiment.
Fig. 5 is a schematic diagram illustrating an L ED display screen according to a third embodiment.
In the figure, a 10-L ED display panel, a 11-L ED display module, a 12-data board, a 13-power inlet, a 14-power outlet, a 15-control signal receiving module, a 16-control signal sending module, a 17-display signal receiving module, a 18-display signal sending module, a 20-power supply, a 30-controller, a 40-display signal source and a 50-data processing device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 to 3, in a first embodiment of the present invention, an L ED display panel 10 with a looping-out function includes L ED display modules 11 and a data board 12, at least one L ED display module 11 is spliced into a sub-screen body in an M × N manner, in the first embodiment, M =2 and N = 2. the data board 12 is installed on the back of the sub-screen body, and the data board 12 is provided with a power inlet 13, a power outlet 14, a control signal receiving module 15, a control signal sending module 16, a display signal receiving module 17, and a display signal sending module 18.
The data board 12 inputs power through the power inlet 13 and outputs the power to the L ED display module 11, and outputs the power to the outside through the power outlet 14.
The power inlet 13 is one or both of a DC interface and an AC interface; the power outlet 14 is one or both of a DC interface, an AC interface. In the first embodiment, it is preferable that both the power inlet 13 and the power outlet 14 are AC interfaces.
In the first embodiment, a drive power supply is arranged in the L ED display module 11, after the electric energy of the data board 12 is output to the L ED display module 11, the L ED display module 111 converts the electric energy through the drive power supply, it should be noted that a technician can adjust the position of the drive power supply according to actual needs, for example, the drive power supply is arranged in the data board 12, the data board 12 converts the electric energy through the drive power supply, and then the electric energy is output to the L ED display module 11.
The data board 12 receives the control signal through the control signal receiving module 15, converts the control signal to output to the L ED display module 11, and sends the control signal to the outside through the control signal sending module 16, wherein the control signal receiving module 15 receives the control signal, and then adjusts L ED display panel 10 display parameters, such as brightness, contrast, color temperature, coordinates, and the like.
The control signal receiving module 15 is any one or combination of a USB interface, a network cable interface, an infrared receiver and a bluetooth receiver; the control signal sending module 16 is any one or combination of a USB interface, a network cable interface, an infrared receiver, and a bluetooth receiver. In the first embodiment, the control signal receiving module 15 and the control signal sending module 16 are preferably USB interfaces.
The data board 12 receives the display signal through the display signal receiving module 17, converts the display signal to output to the L ED display module 11, and sends the display signal to the outside through the display signal sending module 18, wherein the display signal receiving module 17 receives the display signal, so that the L ED display panel 10 displays images or videos.
The display signal receiving module 17 is any one or a combination of more of an HDMI interface, a DVI interface, a VGA interface, a USB interface, a network cable interface and a wireless network receiver; the display signal sending module 18 is any one or combination of more of an HDMI interface, a DVI interface, a VGA interface, a USB interface, a network cable interface, and a wireless network sender. In the first embodiment, the display signal receiving module 17 and the display signal transmitting module 18 are preferably HDMI interfaces.
As shown in fig. 4, the L ED display panel structure according to the second embodiment of the present invention includes a power supply 20, a controller 30, a display signal source 40, and L ED display panels 10 according to the first embodiment, wherein at least two L ED display panels 10 are spliced together in a P × Q manner to form a L ED display panel, and in the second embodiment, P =2 and Q = 2.
The power inlets 13 of at least one L ED display panel 10 are connected with the power supply 20, and the power inlets 13 of the other L ED display panels 10 are connected with the power outlets 14 of the electrified L ED display panels 10 in series one by one, so that power circulation output is realized.
The control signal receiving module 15 of any L ED display panel 10 is connected to a control signal source, and the control signal receiving modules 15 of the other L ED display panels 10 are connected to the control signal sending module 16 of the L ED display panel 10 that has received the control signal one by one, so as to realize the loop-through output of the control signal.
The display signal receiving module 17 of any L ED display panel 10 is connected to the display signal source 40, and the display signal receiving modules 17 of the other L ED display panels 10 are connected to the display signal transmitting module 18 of the L ED display panel 10 that has received the display signal one by one, so as to realize the loop-through output of the display signal.
The power supply 20 is a commercial power or a power distribution cabinet; the controller 30 is any one or combination of a computer, a tablet computer, a smart phone and a remote controller; the display signal source 40 is any one or combination of multiple video cameras, computers, DVD players, video recorders and televisions. In the second embodiment, the power supply 20 is preferably commercial power, the controller 30 is a computer, and the display signal source 40 is a computer.
As shown in fig. 5, the architecture of L ED display screen according to a third embodiment of the present invention includes a power supply 20, a controller 30, a display signal source 40, a data processing device 50, and L ED display panels 10 according to the first embodiment, where at least two L ED display panels 10 are spliced together in a P × Q manner to form a L ED display screen, and in the third embodiment, P =2 and Q = 2.
The power inlets 13 of at least one L ED display panel 10 are connected with the power supply 20, and the power inlets 13 of the other L ED display panels 10 are connected with the power outlets 14 of the electrified L ED display panels 10 in series one by one, so that power circulation output is realized.
The control signal receiving module 15 of any L ED display panel 10 is connected to a control signal source, and the control signal receiving modules 15 of the other L ED display panels 10 are connected to the control signal sending module 16 of the L ED display panel 10 that has received the control signal one by one, so as to realize the loop-through output of the control signal.
The display signal receiving module 17 of any L ED display panel 10 is connected to the data processing device 50, and the display signal receiving modules 17 of the remaining L ED display panels 10 are connected to the display signal transmitting module 18 of the L ED display panel 10 that has received the display signal one by one, so as to implement loop-through output of the display signal.
The power supply 20 is a commercial power or a power distribution cabinet; the controller 30 is any one or combination of a computer, a tablet computer, a smart phone and a remote controller; the display signal source 40 is any one or combination of multiple video cameras, computers, DVD players, video recorders and televisions. In the third embodiment, the power supply 20 is preferably commercial power, the controller 30 is a computer, and the display signal source 40 is a computer.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The L ED display panel with the function of looping comprises L ED display modules and a data board, and is characterized in that at least one L ED display module is spliced into a sub-screen body in an M N mode, M is more than or equal to 1, and N is more than or equal to 1;
the data board inputs electric energy through the power supply inlet, outputs the electric energy to the L ED display module and outputs the electric energy outwards through the power supply outlet;
the data board receives a control signal through the control signal receiving module, converts and outputs the control signal to the L ED display module, and sends the control signal to the outside through the control signal sending module;
the data board receives display signals through the display signal receiving module, converts and outputs the display signals to the L ED display module, and sends the display signals to the outside through the display signal sending module.
2. The L ED display panel with ring-out function according to claim 1, wherein the power inlet is one or both of a DC interface and an AC interface, and the power outlet is one or both of a DC interface and an AC interface.
3. The L ED display panel with the function of showing information according to claim 1, wherein a driving power supply is disposed in the L ED display module, and after the power of the data board is output to the L ED display module, the L ED display module converts the power of the data board by the driving power supply.
4. The L ED display panel with the function of claim 1, wherein a driving power supply is disposed inside the data board, and the data board converts the power from the driving power supply and outputs the power to the L ED display module.
5. The L ED display panel with the ring-out function according to claim 1, wherein the control signal receiving module is any one or a combination of more than one of a USB interface, a network cable interface, an infrared receiver and a Bluetooth receiver, and the control signal transmitting module is any one or a combination of more than one of a USB interface, a network cable interface, an infrared receiver and a Bluetooth receiver.
6. The L ED display panel with the function of coming out of claim 1, wherein the display signal receiving module is any one or a combination of more than one of an HDMI interface, a DVI interface, a VGA interface, a USB interface, a network cable interface and a wireless network receiver, and the display signal transmitting module is any one or a combination of more than one of an HDMI interface, a DVI interface, a VGA interface, a USB interface, a network cable interface and a wireless network transmitter.
7, L ED display screen architecture, including power supply, controller, display signal source and according to claim 1~6 any one of the L ED display panel, wherein at least two of the L ED display panel splices into a L ED display screen with P x Q mode, P > 1, Q ≥ 1;
the power supply inlet of at least one L ED display panel is connected with the power supply, and the power supply inlets of the other L ED display panels are connected with the power supply outlet of the electrified L ED display panel in series one by one to realize power supply loop-through output;
the control signal receiving module of any L ED display panel is connected with the control signal source, and the control signal receiving modules of the other L ED display panels are connected with the control signal sending module of the L ED display panel which has received the control signal one by one, so that the loop-through output of the control signal is realized;
the display signal receiving module of any L ED display panel is connected with the display signal source, and the display signal receiving modules of the other L ED display panels are connected with the display signal sending module of the L ED display panel which has received the display signals one by one, so that the display signal loop-through output is realized.
8, L ED display screen architecture, including power supply, controller, display signal source, data processing equipment and according to claim 1~6 any one of the L ED display panel, wherein at least two of the L ED display panel splices into a L ED display screen with P x Q mode, P > 1, Q ≥ 1;
the power supply inlet of at least one L ED display panel is connected with the power supply, and the power supply inlets of the other L ED display panels are connected with the power supply outlet of the electrified L ED display panel in series one by one to realize power supply loop-through output;
the control signal receiving module of any L ED display panel is connected with the control signal source, and the control signal receiving modules of the other L ED display panels are connected with the control signal sending module of the L ED display panel which has received the control signal one by one, so that the loop-through output of the control signal is realized;
the display signal receiving module of any L ED display panel is connected with the data processing equipment, and the display signal receiving modules of the other L ED display panels are connected with the display signal sending module of the L ED display panel which has received the display signals one by one, so that the display signal loop-through output is realized.
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| CN112860199A (en) * | 2021-01-14 | 2021-05-28 | 广州朗国电子科技有限公司 | Spliced screen unit, structure, automatic identification method of distributed pictures of spliced screen unit, electronic equipment and storage medium |
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| CN110633063A (en) * | 2019-09-23 | 2019-12-31 | 东莞阿尔泰显示技术有限公司 | Control framework of all-in-one LED display screen |
| CN110808004A (en) * | 2019-11-21 | 2020-02-18 | 深圳市玖润光电科技有限公司 | Control system of LED display screen and control circuit board thereof |
| CN211928954U (en) * | 2020-04-03 | 2020-11-13 | 东莞阿尔泰显示技术有限公司 | LED display panel with ring-out function and framework of LED display screen |
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| CN112860199A (en) * | 2021-01-14 | 2021-05-28 | 广州朗国电子科技有限公司 | Spliced screen unit, structure, automatic identification method of distributed pictures of spliced screen unit, electronic equipment and storage medium |
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