CN103179372A - Full-color high-definition video control system for light-emitting diode (LED) display screen - Google Patents
Full-color high-definition video control system for light-emitting diode (LED) display screen Download PDFInfo
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- CN103179372A CN103179372A CN2011104342748A CN201110434274A CN103179372A CN 103179372 A CN103179372 A CN 103179372A CN 2011104342748 A CN2011104342748 A CN 2011104342748A CN 201110434274 A CN201110434274 A CN 201110434274A CN 103179372 A CN103179372 A CN 103179372A
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Abstract
The invention discloses a full-color high-definition video control system for a light-emitting diode (LED) display screen. The full-color high-definition video control system comprises a video input module and at least one video data sending module, wherein the video input module and the at least one video data sending module are connected through a video bus. The video input module comprises a video decoding module, a video image processing module and a video bus driving module which are all sequentially in signal connection. Every video data sending module comprises a video bus buffer driving module, a video data transceiving module and a kilomega network interface module which are all sequentially in signal connection. The full-color high-definition video control system has the advantages that an LED data controller sending function and a high-definition video processor function are integrated, tape loading capability of LED pixel points in the whole control system is effectively improved by adding the number of the video data sending modules, a single video data sending module can achieve high-bit video input and processing by utilizing the parallel processing advantage, and accordingly the goal of true high-definition display is achieved.
Description
[technical field]
The present invention relates to the technical field of video image processing of LED display, particularly the full-color HD video control system of a kind of LED display.
[background technology]
Along with the fast development of LED display application, the LED display application demand that high definition shows is more and more, and increment repayment and social benefit that this high definition application mode brings display screen operator are also huge.
The application mode of general LED display is: the mode of preposition video processor system+LED controller system (transmitting apparatus card+receiving card).Preposition video processor system, input interface conversion, the image that generally comprises various video signals processed, the output interface conversion; The LED controller system sends the output signal of the main receiver, video processor of card, then carries out after the pixel space conversion, a large amount of pixel signal block encodings being sent to receiving card; Receiving card receives and sends the packet that card is sent, and parses needed pixel-matrix data according to demand, then these pixel numbers is driven according to carry out appropriate sequential according to LED display actual pixels dot matrix mapping relations.
Signal handling equipments independently two overlap each other in preposition video processor system and LED controller system (sending card+receiving card).Normally by the DVI interface, these two kinds of equipment connections are got up to carry out the signal transmission.Due to the load capacity restriction that sends card, carrying out high-definition signal when showing, preposition video processor system need to be connected with a plurality of transmission cards, thereby realize the demonstration of high definition pixel.And the picture signal that the transmission clamping is received is the picture signal of 8bits normally, thus 10bits, 12bits, 14bits, the high color depth high clear video image signal of 16bit can not effectively utilize.
[summary of the invention]
The objective of the invention is to overcome above-mentioned deficiency, a kind of full-color HD video control system of LED display of integrated control is provided.
The objective of the invention is to realize like this: it comprises video input module and at least one the structured video data transmitting module that connects by video bus;
Wherein, described video input module comprises video decode module, video image processing module and video bus driver module, the output end signal of described video decode module is connected in the input of video image processing module, the video decode module gathers vision signal, decoding video signal is formed video data, and export this video data to the video image processing module by output; The output end signal of video image processing module is connected in the input of video bus driver module, the video image processing module receives the video data from the video decode module, and this video data is carried out exporting the video bus driver module to by output after image is processed;
Described structured video data transmitting module comprises video bus buffering driver module, video data transceiver module and kilomega network interface module, the output of described video bus driver module is connected in the input of video bus buffering driver module by the video bus signal, the video bus driver module receives the video data from the video image processing module, and it is cushioned driver module by video bus driver output to video bus; The output end signal of video bus buffering driver module is connected in the input of video data transceiver module, video bus buffering driver module receives the video data from the video bus driver module, and this video data is carried out exporting the video data transceiver module to by output after buffered; The output end signal of video data transceiver module is connected in the input of kilomega network interface module, the video data transceiver module receives the video data from video bus buffering driver module, and intercepting the effective video data of appropriate image-region, these valid data and order data are divided into groups, encode, pack exports the kilomega network interface module to by output after processing; The output of described kilomega network interface module is connected with high definition LED display signal;
Be connected with buffer storage on described video data transceiver module, be used for buffering from the video data of video bus driver module and the video packets of data after video data transceiver module packing processing;
Preferably, described video input module also comprises the first micro controller module, and described the first micro controller module is connected with video decode module, video image processing module and video bus driver module signal respectively by the first control bus;
Preferably, described structured video data transmitting module also comprises the second micro controller module, and described the second micro controller module is connected with video bus buffering driver module, video data transceiver module, kilomega network interface module and buffer storage signal respectively by the second control bus;
Preferably, described video decode module comprises at least one video decode submodule; Described each video decode submodule is for supporting the video decode module of one or more forms in TV, VIDEO, S-VIDEO, YpbPr, RGBHV, DVI, HDMI, DISPORT.
Beneficial effect of the present invention is: one, the present invention are integrated LED recording controller emission function and HD video functional processor, the quantity that is connected to the structured video data transmitting module on video bus by increase effectively increases the load capacity of LED pixel in whole control system, and the advantage of utilizing parallel processing can make single structured video data transmitting module realize the input of higher bit digital video and process, thereby reaches the purpose that real high definition shows; Two, first, second micro controller module in structure of the present invention can detect each data that are attached thereto the state of module and each module is set, and realizes communication etc., makes the operation of this control system control stable, safe and reliable; Three, the video decode module in the video input module comprises at least one video decode submodule, each video decode submodule is for supporting the video decode module of one or more forms in TV, VIDEO, S-VIDEO, YpbPr, RGBHV, DVI, HDMI, DISPORT, therefore, the full-color HD video control system of LED display of the present invention can be processed SD, high-definition video signal and various picture signal, practical, applied range.
[description of drawings]
Fig. 1 is theory diagram of the present invention
Fig. 2 is the theory diagram of video input module in the present invention
Fig. 3 is the theory diagram of structured video data transmitting module in the present invention
[embodiment]
The invention will be further described below in conjunction with accompanying drawing and concrete execution mode:
With reference to shown in Figure 1, the present invention is the full-color HD video control system of a kind of LED display, it comprises video input module and at least one the structured video data transmitting module that connects by video bus, the structured video data transmitting module is connected with high definition LED display signal, how much can expanding on video bus more according to actual needs of structured video data transmitting module, a plurality of structured video data transmitting modules can be docked with on video bus simultaneously, as structured video data transmitting modules A, structured video data transmitting module B, structured video data transmitting module C etc. in figure; General, for the load capacity of the LED pixel that increases whole control system, can increase the quantity of structured video data transmitting module.
With reference to shown in Figure 2, video input module comprises video decode module, video image processing module and video bus driver module, wherein, the output end signal of described video decode module is connected in the input of video image processing module, the video decode module gathers vision signal, decoding video signal is formed video data, and export this video data to the video image processing module by output; The output end signal of video image processing module is connected in the input of video bus driver module, the video image processing module receives the video data from the video decode module, this video data is carried out exporting the video bus driver module to by output after image is processed, and this image processing process comprises that color space transformation, Image Zooming, figure image intensifying, GAMMA proofread and correct, motion detection compensates, goes the images such as interlacing, format detection and conversion to process.Better, described video decode module comprises at least one video decode submodule, as video decode modules A in figure, video decode module B, video decode module C etc., each video decode submodule is for supporting the video decode module of one or more forms in TV, VIDEO, S-VIDEO, YpbPr, RGBHV, DVI, HDMI, DISPORT; Therefore, the input signal that gathers in this process comprises the signal of the interfaces such as TV, VIDEO, S-VIDEO, YPbPr, RGBHV, DVI, HDMI, DISPORT, support the video format signal of various standard SDs and high definition, the various format signals of the computer graphic image signals such as compatible VESA.Further, video input module also comprises the first micro controller module, described the first micro controller module is connected with video decode module, video image processing module and video bus driver module signal respectively by the first control bus, this first micro controller module detects and arranges the state of input video decoder module, video image processing module and video bus driver module on the one hand, realizes on the other hand the communication with structured video data transmitting module and host computer.
With reference to shown in Figure 3, the structured video data transmitting module comprises video bus buffering driver module, video data transceiver module and kilomega network interface module, wherein, the output of described video bus driver module is connected in the input of video bus buffering driver module by the video bus signal, the video bus driver module receives the video data from the video image processing module, and it is cushioned driver module by video bus driver output to video bus; The output end signal of video bus buffering driver module is connected in the input of video data transceiver module, video bus buffering driver module receives the video data from the video bus driver module, and this video data is carried out exporting the video data transceiver module to by output after buffered; The output end signal of video data transceiver module is connected in the input of kilomega network interface module, the video data transceiver module receives the video data from video bus buffering driver module, and intercepting the effective video data of appropriate image-region, these effective video data and order data are divided into groups, encode, pack exports data to the kilomega network interface module by output according to unified sequential after processing.Be connected with buffer storage on described video data transceiver module, be used for buffering from the video data of video bus driver module and the video packets of data after video data transceiver module packing processing.Further, also comprise the second micro controller module, described the second micro controller module is connected with video bus buffering driver module, video data transceiver module, kilomega network interface module and buffer storage signal respectively by the second control bus.This second micro controller module mainly detects and arranges state and the data of video bus buffering driver module, video data transceiver module, buffer storage and kilomega network interface module, and realizes communication with video input module and host computer.The output of described kilomega network interface module is connected with high definition LED display signal, video packets of data after packing is sent to each scan module in the high definition LED display, and receive the various detection data of coming from each scan module, and should detect data retransmission to the second micro controller module.
To sum up, the present invention is integrated LED recording controller emission function and HD video functional processor, the quantity that is connected to the structured video data transmitting module on video bus by increase effectively increases the load capacity of LED pixel in whole control system, and the advantage of utilizing parallel processing can make single structured video data transmitting module realize the input of higher bit digital video and process, thereby reaches the purpose that real high definition shows; Secondly, first, second micro controller module in structure of the present invention can detect the data that each is attached thereto the state of module and each module is set, and realizes communication etc., makes the operation of this control system control stable, safe and reliable; Again, the video decode module in video input module comprises at least one video decode submodule, each video decode submodule is for supporting the video decode module of one or more forms in TV, VIDEO, S-VIDEO, YpbPr, RGBHV, DVI, HDMI, DISPORT, therefore, the full-color HD video control system of LED display of the present invention can be processed SD, high-definition video signal and various picture signal, practical, applied range.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection range of claim of the present invention modifications and changes more of the present invention.In addition, although used some specific terms in this specification, these terms do not consist of any restriction to the present invention just for convenience of description.
Claims (4)
1. full-color HD video control system of LED display is characterized in that: it comprises video input module and at least one the structured video data transmitting module that connects by video bus;
Wherein, described video input module comprises video decode module, video image processing module and video bus driver module, the output end signal of described video decode module is connected in the input of video image processing module, the video decode module gathers vision signal, decoding video signal is formed video data, and export this video data to the video image processing module by output; The output end signal of video image processing module is connected in the input of video bus driver module, the video image processing module receives the video data from the video decode module, and this video data is carried out exporting the video bus driver module to by output after image is processed;
Described structured video data transmitting module comprises video bus buffering driver module, video data transceiver module and kilomega network interface module, the output of described video bus driver module is connected in the input of video bus buffering driver module by the video bus signal, the video bus driver module receives the video data from the video image processing module, and it is cushioned driver module by video bus driver output to video bus; The output end signal of video bus buffering driver module is connected in the input of video data transceiver module, video bus buffering driver module receives the video data from the video bus driver module, and this video data is carried out exporting the video data transceiver module to by output after buffered; The output end signal of video data transceiver module is connected in the input of kilomega network interface module, the video data transceiver module receives the video data from video bus buffering driver module, and intercepting the effective video data of appropriate image-region, these valid data and order data are divided into groups, encode, pack exports the kilomega network interface module to by output after processing; The output of described kilomega network interface module is connected with high definition LED display signal;
Be connected with buffer storage on described video data transceiver module, be used for buffering from the video data of video bus driver module and the video packets of data after video data transceiver module packing processing.
2. the full-color HD video control system of LED display according to claim 1, it is characterized in that: described video input module also comprises the first micro controller module, and described the first micro controller module is connected with video decode module, video image processing module and video bus driver module signal respectively by the first control bus.
3. the full-color HD video control system of LED display according to claim 1, it is characterized in that: described structured video data transmitting module also comprises the second micro controller module, and described the second micro controller module is connected with video bus buffering driver module, video data transceiver module, kilomega network interface module and buffer storage signal respectively by the second control bus.
4. the full-color HD video control system of LED display according to claim 1, it is characterized in that: described video decode module comprises at least one video decode submodule; Described each video decode submodule is for supporting the video decode module of one or more forms in TV, VIDEO, S-VIDEO, YpbPr, RGBHV, DVI, HDMI, DISPORT.
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| CN201110434274.8A CN103179372B (en) | 2011-12-22 | 2011-12-22 | Full-color high-definition video control system for light-emitting diode (LED) display screen |
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| CN201110434274.8A CN103179372B (en) | 2011-12-22 | 2011-12-22 | Full-color high-definition video control system for light-emitting diode (LED) display screen |
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| CN103179372B CN103179372B (en) | 2017-02-08 |
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| CN104333734A (en) * | 2014-10-17 | 2015-02-04 | 厦门视诚科技有限公司 | Video image processing equipment of full color display screen without PC and method thereof |
| CN106205463A (en) * | 2015-05-06 | 2016-12-07 | 深圳市立鼎光电技术有限公司 | The control system of non-rectangular shape display screen |
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| CN201607923U (en) * | 2009-12-18 | 2010-10-13 | 康佳集团股份有限公司 | LED video processing and amplifying integration control device |
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| CN101764981A (en) * | 2008-12-23 | 2010-06-30 | 康佳集团股份有限公司 | High-resolution video image controller for embedded LED display screen |
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Inventor after: Huang Binggen Inventor before: Ren Xingye |
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Effective date of registration: 20170109 Address after: 511400 Guangzhou City, Panyu District Province Bridge Street, Guangming Road, North Road, No. 8, layer 242 Applicant after: Advertising Co., Ltd. Guangzhou United States Address before: Tak Road Economic Development Zone Suining City, Sichuan province 629000 ship mountain Applicant before: Sichuan Bons Optoelectronics Technology Co., Ltd. |
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