CN201765802U - LED full-color display screen control system - Google Patents
LED full-color display screen control system Download PDFInfo
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- CN201765802U CN201765802U CN201020299551XU CN201020299551U CN201765802U CN 201765802 U CN201765802 U CN 201765802U CN 201020299551X U CN201020299551X U CN 201020299551XU CN 201020299551 U CN201020299551 U CN 201020299551U CN 201765802 U CN201765802 U CN 201765802U
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Abstract
The utility model relates to a video image processing device, in particular to a video image processing device of a full-color display screen. An LED full-color display screen control system comprises a controller, a front panel, a TUNER module, a video output module and a transmitting card, the controller is respectively connected with the front panel, the TUNER module, the video output module and the transmitting card, the controller and the transmitting card are respectively connected with a power module, the transmitting card is connected with a transmitting card switching module, and the video output module and the transmitting card switching module are respectively connected with an LED screen. The LED full-color display screen control system can receive various input signal sources, realizes input signal switching, output signal format conversion, image scaling, grey level adjustment, brightness adjustment, interlacing removing processing, image de-noising, movement compensation, color coordination space transformation, chrominance adjustment function, mosaic removal and the like, and greatly improves video display effect.
Description
Technical field
The utility model relates to a kind of video image processing apparatus, relates in particular to a kind of video image processing apparatus of full color display.
Background technology
In its historical evolution process, multiple information spreading medium has appearred, and the information that has formed series such as CRT, LCD, PDP, LED, EL, DLP shows product, makes a general survey of all kinds of demonstration products, and its chief and suitable market application demand are respectively arranged.Cathode pipe (crt) or quartz ampoule (dv) large-scale tv, cost are very expensive, are not needing the super large picture and still can indoor Use Limitation fruit; The same cost costliness of Color Liquid Crystal Display, circuit complexity, area is limited, is subjected to the influence at video angle very big, and visible angle is very little; The image projecting device brightness is little, poor definition (picture be subjected to light inhomogeneous); There is cut-off rule on the video wall surface, and foreign body sensation is visually arranged, and brightness effects is poor during outdoor utility.
In the high speed development process of current present information society, large screen display is from commercial application to consumer multimedia application infiltration such as public information displays.Along with the development of broadband network, digitized content of multimedia will occupy main flow in information world, and novel large-screen display equipment will replace conventional television to become the center that people enjoy information and content of multimedia.
In the past, domestic full-colour display screen manufacturing firm, at the Video signal processing technical elements, generally adopt a kind of multimedia card based on the Computer Processing technology, the characteristics of this card are to reduce the various information that computing machine shows preferably, as: literal, character, picture, figure, animation, 2DS, 3DS or the like.But when display video image, rapid movement subject image particularly because the restriction of multimedia card hardware design itself and computer software are not enough etc. to the processing arithmetic speed of view data, all can't be complementary with the pace of change of video image.Will cause phenomenons such as the pause of image, fuzzy, mosaic, frame losing, aspect the reduction image definition, generally can reach 64 grades of gray scales.So some are not high to the reduction image request, the place of non real-time demonstration than being more suitable for for multimedia card, and for HD video and in the occasion that needs to show in real time, general processing controller then can't be competent at.
And LED display is subjected to space constraint less with it, and can have the full color effect according to the size of customer requirements design screen, the visual angle is big, can be used for display text, pattern, image, animation, video, video signal etc., the characteristics of various information have obtained the development of advancing by leaps and bounds.
The utility model content
Technique effect of the present utility model can overcome above-mentioned defective, and a kind of LED full color display control system is provided, and its video display effect improves greatly.
For achieving the above object, the utility model adopts following technical scheme: it comprises controller, front panel, TUNER module, video output module, sends card, controller respectively with front panel, TUNER module, video output module, send card connection; Controller, transmission card are connected with power module respectively; Send card connection and send the card interconnecting module; Video output module, transmission card interconnecting module are connected with the LED screen respectively.
Power module: input AC 220V, Switching Power Supply output DC+5V and+12V, can be each module power supply be provided; Front panel: the input detection that LCD shows output, LED light control and button is finished in controller control; Video output module: directly be connected with the LED screen; Send card: long-distance transmissions is used when LED shields; TUNER module: connect vision signal; Send the card card extender: will send the interface of card and be connected with the corresponding interface on the shell.
Native system is a kind of LED full color display control system based on led controller, has realized multifunction, high-definition, is user-friendly to.Native system all is by hard-wired at aspects such as the decoding of vision signal, conversion, processing, computing, coding, transmission.This mode has overcome the deficiency of multimedia card aspect the real-time demonstration; Simultaneously, aspect the reduction image definition, generally can reach 256 grades more than the gray scale.Computerized informations such as display text, character, picture, figure, animation, 2DS, 3DS preferably not only, and, can best reduction video signal.Therefore, it can be widely used in stadiums, Cultural Square, fair, electronic bill-board, information publication medium etc.
Controller comprises that video processor, communication module, video input modular converter, video are exported modular converter, transmission blocks output module, and video processor blocks output module and is connected with communication module, video input modular converter, video output modular converter, transmission respectively.Video input modular converter is connected with the TUNER module; Communication module is connected with front panel; Video output modular converter is connected with the video output module; Send the card output module and send card connection.
Video processor is the nucleus equipment of giant-screen process information.Video processor can directly be accepted vision signal or Computer signal, carries out signal decoding, conversion, processing, computing, coding, digitizing transmission, to LED screen screen body output shows signal.On controller or computing machine, directly can regulate the display screen parameters such as brightness of LED screen.
Video input modular converter:, therefore add the input that video input modular converter is finished video at its front end because video processor does not have analog input signal; Video processor: the output demand is satisfied in conversion, the processing of being finished vision signal by chip SMP8635; Video output modular converter: export or export by output interface by the inner card that sends from (by the conversion of video output modular converter) that the vision signal of chip SMP8635 output is direct or indirect.Communication module: can control system by front panel.
Pass through I between communication module and the front panel
2The C interface communication.Video processor adopts the SMP8635 model.
The TUNER module connects video input apparatus.Video input apparatus comprises film titler or video camera or video disc player or PC.But signal source is supported all input signals substantially, comprises film titler, video recorder, TV, video camera, video disc player, PC or the like signal input device; Control system is then finished multi-mode operations such as signal access, conversion, processing, transmission, imaging control; The display screen body then is to represent the signal source signal is vivid by control system, and literal, pattern, video are added external equipments such as sound equipment, can bring people perfect display effect.
Video input modular converter comprises video decoding chip TW9906 and video decoding chip AD9380.The TUNER module is exported eight tunnel vision signals and is connected with video input modular converter, and road y/c signal wherein and four road AV signals are converted to the 8bitYCbCr digital data transmission by video decoding chip TW9906 and give video processor; One road colour difference signal, one road VGA signal, one road DVI signal are converted to the 24bitRGB digital data transmission by video decoding chip AD9380 and give video processor.
The conversion of incoming video signal by video decoding chip (TW9906 or AD9380) enters video processor with the form of digital signal and handles, then through the output of DVI interface video (simultaneously through conversion with VGA interface monitoring output).Certain road vision signal during by gating corresponding voice-grade channel also choose output accordingly.
The utility model can receive multiple input signal source, realize input signal switching, output signal format conversion, image zoom, gray scale adjusting, brightness regulation, go interlacing processing, image noise reduction, motion compensation, chromaticity coordinates spatial alternation, colourity regulatory function, mosaic elimination etc., the video display effect improves greatly.
Description of drawings
Fig. 1 is a modular structure synoptic diagram of the present utility model;
Fig. 2 is a controller internal module synoptic diagram of the present utility model.
Embodiment
Native system comprises controller, front panel, TUNER module, video output module, sends card, controller respectively with front panel, TUNER module, video output module, send card connection; Controller, transmission card are connected with power module respectively; Send card connection and send the card interconnecting module; Video output module, transmission card interconnecting module are connected with the LED screen respectively.
Controller comprises that video processor, communication module, video input modular converter, video are exported modular converter, transmission blocks output module, and video processor blocks output module and is connected with communication module, video input modular converter, video output modular converter, transmission respectively.
Video input modular converter is connected with the TUNER module; Communication module is connected with front panel; Video output modular converter is connected with the video output module; Send the card output module and send card connection.Pass through I between communication module and the front panel
2The C interface communication.Video processor adopts the SMP8635 model.The TUNER module connects video input apparatus.Video input apparatus comprises film titler or video camera or video disc player or PC.Video input modular converter comprises video decoding chip TW9906 and video decoding chip AD9380.
Power supply is imported by civil power AC 220V, process internal switch power module output+12V ,+5V blocks for controller, transmission and front panel uses.In the controller+12 power supplys use for audio-frequency unit, other by+5V and+power supply of 5V conversion electric power.
Chip AD9380 wherein, TW9906 power unit adopt digital power and analog power compatible processing, so that the debugging in later stage.
The video input: eight road input video sources, road y/c signal wherein and four road AV signals are converted to the 8bitYCbCr digital data transmission by video decoding chip TW9906 and give video processor; One road colour difference signal, one road VGA signal, one road DVI signal are converted to the 24bitRGB digital data transmission by video decoding chip AD9380 and give video processor.
Video output: the signal of coming in by the video input interface of front end through the processing of video processor by inner DVI interface to sending card with (directly exporting modular converter to video) to be sent by outside DVI interface for closely showing then.
The audio frequency input and output: eight road videos inputs corresponding respectively the input of eight road audio frequency, also chosen simultaneously when the selected then corresponding audio frequency of a certain road video, video processor passes through I
2C interface carries out the selection of voice channel and carries out the adjusting of volume.
The display message that the LED video processor will have been handled reaches by the DVI interface and sends card so that long distance is sent to display screen.
Can play the full color video image on the LED screen.Utilize the video processing technique of native system can play-over vision signals such as CATV (cable television) and satellite television, video camera, video disc player, video recorder; Realize on-the-spot relay in real time.Have superpose on can the displaying video picture real-time edition of effects such as Word message, panorama, feature, slow motion, stunt and the function of broadcast.
In system design, the multichannel audio-video frequency switch is equipped with, can realize:
Be communicated with realization with video camera live;
Link to each other with wired network with the broadcast satellite wireless network, can received television program;
Link to each other with video playback apparatus, as: LD, VCD, DVD, VHS, BT-SP etc., can play all kinds of films, TV play, documentary film, video recording (television systems such as NTSC, PAL, SECAM) or the like;
Cooperate with place sound equipment (power amplifier, loudspeaker etc.), but wide range of services is showed or the like in big assembly, theatrical performance, new product advertisement.
Can realize lip synchronization by being connected with background sound system.
Claims (9)
1. LED full color display control system is characterized in that comprising controller, front panel, TUNER module, video output module, sends card, controller respectively with front panel, TUNER module, video output module, send card connection; Controller, transmission card are connected with power module respectively; Send card connection and send the card interconnecting module; Video output module, transmission card interconnecting module are connected with the LED screen respectively.
2. LED full color display control system according to claim 1, it is characterized in that controller comprises that video processor, communication module, video input modular converter, video are exported modular converter, transmission blocks output module, video processor blocks output module and is connected with communication module, video input modular converter, video output modular converter, transmission respectively.
3. LED full color display control system according to claim 2 is characterized in that video input modular converter is connected with the TUNER module; Communication module is connected with front panel; Video output modular converter is connected with the video output module; Send the card output module and send card connection.
4. LED full color display control system according to claim 3 is characterized in that passing through I between communication module and the front panel
2The C interface communication.
5. LED full color display control system according to claim 3 is characterized in that video processor adopts the SMP8635 model.
6. LED full color display control system according to claim 3 is characterized in that the TUNER module connects video input apparatus.
7. LED full color display control system according to claim 6 is characterized in that video input apparatus comprises film titler or TV or video camera or video disc player or PC.
8. LED full color display control system according to claim 5 is characterized in that video input modular converter comprises video decoding chip TW9906 and video decoding chip AD9380.
9. LED full color display control system according to claim 8, it is characterized in that the TUNER module exports eight tunnel vision signals and import modular converter to video, road y/c signal wherein and four road AV signals are converted to the 8bitYCbCr digital data transmission by video decoding chip TW9906 and give video processor; One road colour difference signal, one road VGA signal, one road DVI signal are converted to the 24bitRGB digital data transmission by video decoding chip AD9380 and give video processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020299551XU CN201765802U (en) | 2010-08-21 | 2010-08-21 | LED full-color display screen control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020299551XU CN201765802U (en) | 2010-08-21 | 2010-08-21 | LED full-color display screen control system |
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| Publication Number | Publication Date |
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| CN201765802U true CN201765802U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020299551XU Expired - Fee Related CN201765802U (en) | 2010-08-21 | 2010-08-21 | LED full-color display screen control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376247A (en) * | 2010-08-21 | 2012-03-14 | 青岛海尔软件有限公司 | LED full-color display screen control system |
| CN102790863A (en) * | 2012-08-14 | 2012-11-21 | 北京极光视讯科技发展有限公司 | Video rebroadcast soft handoff system and method |
| CN105609044A (en) * | 2015-12-24 | 2016-05-25 | 大连集思特科技有限公司 | Video control system and method of LED color difference compensation |
| CN106713713A (en) * | 2016-12-30 | 2017-05-24 | 刘涵 | LED full color display screen for augmented reality editing and playing and method for augmented reality editing and playing of LED full color display screen |
| CN107068028A (en) * | 2017-05-31 | 2017-08-18 | 西安诺瓦电子科技有限公司 | Display module and display module detecting system |
-
2010
- 2010-08-21 CN CN201020299551XU patent/CN201765802U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376247A (en) * | 2010-08-21 | 2012-03-14 | 青岛海尔软件有限公司 | LED full-color display screen control system |
| CN102790863A (en) * | 2012-08-14 | 2012-11-21 | 北京极光视讯科技发展有限公司 | Video rebroadcast soft handoff system and method |
| CN102790863B (en) * | 2012-08-14 | 2015-03-25 | 北京极光视讯科技发展有限公司 | Video rebroadcast soft handoff system and method |
| CN105609044A (en) * | 2015-12-24 | 2016-05-25 | 大连集思特科技有限公司 | Video control system and method of LED color difference compensation |
| CN106713713A (en) * | 2016-12-30 | 2017-05-24 | 刘涵 | LED full color display screen for augmented reality editing and playing and method for augmented reality editing and playing of LED full color display screen |
| CN107068028A (en) * | 2017-05-31 | 2017-08-18 | 西安诺瓦电子科技有限公司 | Display module and display module detecting system |
| CN107068028B (en) * | 2017-05-31 | 2020-12-15 | 西安诺瓦星云科技股份有限公司 | Display module and display module detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20140821 |
|
| EXPY | Termination of patent right or utility model |