CN103198808A - Liquid crystal spliced wall screen display control system - Google Patents
Liquid crystal spliced wall screen display control system Download PDFInfo
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- CN103198808A CN103198808A CN2013101368196A CN201310136819A CN103198808A CN 103198808 A CN103198808 A CN 103198808A CN 2013101368196 A CN2013101368196 A CN 2013101368196A CN 201310136819 A CN201310136819 A CN 201310136819A CN 103198808 A CN103198808 A CN 103198808A
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Abstract
The invention discloses a liquid crystal spliced wall screen display control system. A signal processing unit is used for processing a signal; only one DVI (Digital Visual Interface) signal wire needs to be connected to each screen between the signal processing unit and a screen-wall splicing unit for normal use. Therefore, the signal connecting input structure is simple, not only can the display control management be easy, but also the liquid crystal spliced screen walls have less fault points and high stability.
Description
Technical field
The present invention relates to screen display signal control field, exactly refer to a kind of liquid crystal-spliced wall curtain display control program.
Background technology
Liquid crystal-spliced curtain wall can use as display separately, can be spliced into jumbotron again and use.According to different user demands, realize that the variable changeable large-size screen monitors function that also can diminish greatly: Dan Ping cuts apart that demonstrations, single screen show separately, combination in any shows, full frame liquid crystal-spliced, dual splicing liquid crystal display splicing, perpendicular screen demonstration, the optional compensation of framing mask or covering, support roaming, the convergent-divergent of digital signal to stretch, stride the screen demonstration, the setting of various demonstration prediction schemes and operation, full HD signal is handled in real time.Liquid crystal-spliced curtain wall is complete finished product, namely hangs i.e. usefulness, install simple just as playing with building blocks, the using and install all very simple of single or multiple liquid crystal-spliced curtain walls.Only there is several millimeters width liquid crystal-spliced edge, and tempered glass protective seam, built-in intelligence temperature control warning circuit and distinctive " fast loosing " cooling system also are with in the surface, and be complete.
At present, existing liquid crystal-spliced curtain wall not only needs to adapt to the input of support digital signal, need to adapt to the input of supporting simulating signal well, this just causes the signaling interface of liquid crystal-spliced curtain wall and signal wire very many, liquid crystal-spliced curtain wall such as one 2 * 2, if four kinds of signals are arranged to be imported into, each liquid crystal-spliced curtain wall just need have 4 signaling interfaces and connect 4 signal line, relevant matrix then reaches 4 * 4 more than to signaling interface and the signal wire of whole liquid crystal-spliced curtain wall greatly, signal connects the complex structure of input, be unfavorable for also accordingly showing control that cause the trouble spot of whole liquid crystal-spliced curtain wall to be increased, stability reduces.
Summary of the invention
At above-mentioned defective, the technical matters that the present invention solves is to provide a kind of liquid crystal-spliced wall curtain display control program, each screen only needs to be connected a DVI signal wire and just can normally use between signal processing unit and the splicing curtain wall unit, it is simple that signal connects input structure, not only be easy to show control and management, and the trouble spot of liquid crystal-spliced curtain wall is few, and stability is high.
In order to solve above technical matters, liquid crystal-spliced wall curtain display control program provided by the invention comprises signal processing unit, splicing curtain wall unit, support unit and control computer, wherein:
Signal processing unit comprises signal mode/number conversion module, parallel image collection and calibration module, image pretreatment module, image cutting module, image laminating module, color space transformation module, brightness regulation module, colourity adjustment module, gamma color calibration module, sequential output module, embedded type control module and system's video memory administration module; Various simulating signals to input are carried out mould/number conversion, and digital signal is carried out format conversion, the various image Parallel Processing of gathering, are input to the parallel image place and gather and calibration module; Then various digital pictures are carried out pre-service, pretreated image is divided into two classes simultaneously, one class is that digital picture is carried out overlap-add procedure, another kind of is that digital picture is cut out processing, by after two kinds of above-mentioned processing image being carried out comprehensive color space transformation, be divided into two-way after finishing dealing with again, a kind of is to carry out the brightness adjustment, and a kind of is to carry out the colourity adjustment; The gamma that comprehensively carries out color after adjustment is finished corrects, the final required clock signal of output that produces; Carry out subpackage at mainboard then and handle, send to output board at last and get on to show processing; System's video memory administration module be to above-mentioned each digital signal processing module Memory Allocation, be discharged into the line pipe control; Sequential arbitration in the middle of the entire process process, processed are to be handled by embedded type control module, and the function of described embedded type control module is finished by embedded type CPU;
The splicing curtain wall unit receives the DVI signal from the sequential output module of signal processing unit, and as the common computer display image or video is shown;
Support unit is placed signal processing unit, the splicing curtain wall unit is carried out the position put;
Described control computer prepackage processing controls software, described processing controls software is undertaken carrying out exchanges data with the communication module of signal processing unit by netting twine or serial ports, described communication module will send to described embedded type control module after the corresponding steering order decoding, and then realizes the purpose of control.
Preferably, described image pretreatment module comprises image Zoom module and image filter module, and described image Zoom module carries out convergent-divergent to image to be handled, and described image filter module is handled the filtering that image disturbs.
Preferably, described embedded type control module is a kind of of instruction set CPU such as NiosII, 8051, ARM, AVR, PIC or Z80.
Preferably, described digital signal comprises DVI and HDMI; Described simulating signal comprises AV, VGA and YPbPr; Described output signal comprises DVI or VGA.
Liquid crystal-spliced wall curtain display control program provided by the invention, signal processing unit carries out mould/number conversion to the various simulating signals of input, digital signal is carried out format conversion, the various image Parallel Processing of gathering, be input to the parallel image place and gather and calibration module; Then various digital pictures are carried out pre-service, pretreated image is divided into two classes simultaneously, one class is that digital picture is carried out overlap-add procedure, another kind of is that digital picture is cut out processing, by after two kinds of above-mentioned processing image being carried out comprehensive color space transformation, be divided into two-way after finishing dealing with again, a kind of is to carry out the brightness adjustment, and a kind of is to carry out the colourity adjustment; The gamma that comprehensively carries out color after adjustment is finished corrects, the final required clock signal of output that produces; Carry out subpackage at mainboard then and handle, send to output board at last and get on to show processing; The splicing curtain wall unit receives the DVI signal from the sequential output module of signal processing unit, and as the common computer display image or video is shown and to get final product.Compared with prior art, liquid crystal-spliced wall curtain display control program provided by the invention, each screen only needs to be connected a DVI signal wire and just can normally use between signal processing unit and the splicing curtain wall unit, it is simple that signal connects input structure, not only be easy to show control and management, and the trouble spot of liquid crystal-spliced curtain wall is few, and stability is high.
Description of drawings
Fig. 1 is the workflow block diagram of signal processing unit in the liquid crystal-spliced wall curtain of the embodiment of the invention display control program.
Embodiment
For those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
See also Fig. 1, this figure is the workflow block diagram of signal processing unit in the liquid crystal-spliced wall curtain of the embodiment of the invention display control program.
The liquid crystal-spliced wall curtain display control program that the embodiment of the invention provides comprises signal processing unit, splicing curtain wall unit, support unit and control computer, wherein:
Signal processing unit comprises signal mode/number conversion module, parallel image collection and calibration module, image pretreatment module, image cutting module, image laminating module, color space transformation module, brightness regulation module, colourity adjustment module, gamma color calibration module, sequential output module, embedded type control module and system's video memory administration module; Various simulating signals to input are carried out mould/number conversion, and digital signal is carried out format conversion, the various image Parallel Processing of gathering, are input to the parallel image place and gather and calibration module; Then various digital pictures are carried out pre-service, pretreated image is divided into two classes simultaneously, one class is that digital picture is carried out overlap-add procedure, another kind of is that digital picture is cut out processing, by after two kinds of above-mentioned processing image being carried out comprehensive color space transformation, be divided into two-way after finishing dealing with again, a kind of is to carry out the brightness adjustment, and a kind of is to carry out the colourity adjustment; The gamma that comprehensively carries out color after adjustment is finished corrects, the final required clock signal of output that produces; Carry out subpackage at mainboard then and handle, send to output board at last and get on to show processing; System's video memory administration module be to above-mentioned each digital signal processing module Memory Allocation, be discharged into the line pipe control; Sequential arbitration in the middle of the entire process process, processed are to be handled by embedded type control module, and the function of embedded type control module is finished by the NiosII embedded type CPU;
The splicing curtain wall unit receives the DVI signal from the sequential output module of signal processing unit, and as the common computer display image or video is shown;
Support unit is placed signal processing unit, the splicing curtain wall unit is carried out the position put;
Control computer prepackage processing controls software, processing controls software is undertaken carrying out exchanges data with the communication module of signal processing unit by netting twine or serial ports, communication module will send to embedded type control module after the corresponding steering order decoding, and then realizes the purpose of control.
The image pretreatment module comprises image Zoom module and image filter module, and the image Zoom module carries out convergent-divergent to image to be handled, and image filter module is handled the filtering that image disturbs.
Digital signal comprises DVI and HDMI; Simulating signal comprises AV, VGA and YPbPr; Output signal comprises DVI or VGA.
Compared with prior art, liquid crystal-spliced wall curtain display control program provided by the invention, each screen only needs to be connected a DVI signal wire and just can normally use between signal processing unit and the splicing curtain wall unit, it is simple that signal connects input structure, not only be easy to show control and management, and the trouble spot of liquid crystal-spliced curtain wall is few, and stability is high.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a liquid crystal-spliced wall curtain display control program is characterized in that, comprises signal processing unit, splicing curtain wall unit, support unit and control computer, wherein:
Signal processing unit comprises signal mode/number conversion module, parallel image collection and calibration module, image pretreatment module, image cutting module, image laminating module, color space transformation module, brightness regulation module, colourity adjustment module, gamma color calibration module, sequential output module, embedded type control module and system's video memory administration module; Various simulating signals to input are carried out mould/number conversion, and digital signal is carried out format conversion, the various image Parallel Processing of gathering, are input to the parallel image place and gather and calibration module; Then various digital pictures are carried out pre-service, pretreated image is divided into two classes simultaneously, one class is that digital picture is carried out overlap-add procedure, another kind of is that digital picture is cut out processing, by after two kinds of above-mentioned processing image being carried out comprehensive color space transformation, be divided into two-way after finishing dealing with again, a kind of is to carry out the brightness adjustment, and a kind of is to carry out the colourity adjustment; The gamma that comprehensively carries out color after adjustment is finished corrects, the final required clock signal of output that produces; Carry out subpackage at mainboard then and handle, send to output board at last and get on to show processing; System's video memory administration module be to above-mentioned each digital signal processing module Memory Allocation, be discharged into the line pipe control; Sequential arbitration in the middle of the entire process process, processed are to be handled by embedded type control module, and the function of described embedded type control module is finished by embedded type CPU;
The splicing curtain wall unit receives the DVI signal from the sequential output module of signal processing unit, and as the common computer display image or video is shown;
Support unit is placed signal processing unit, the splicing curtain wall unit is carried out the position put;
Described control computer prepackage processing controls software, described processing controls software is undertaken carrying out exchanges data with the communication module of signal processing unit by netting twine or serial ports, described communication module will send to described embedded type control module after the corresponding steering order decoding, and then realizes the purpose of control.
2. liquid crystal-spliced wall curtain display control program according to claim 1, it is characterized in that, described image pretreatment module comprises image Zoom module and image filter module, described image Zoom module carries out convergent-divergent to image to be handled, and described image filter module is handled the filtering that image disturbs.
3. liquid crystal-spliced wall curtain display control program according to claim 1 is characterized in that described embedded type control module is a kind of of instruction set CPU such as NiosII, 8051, ARM, AVR, PIC or Z80.
4. liquid crystal-spliced wall curtain display control program according to claim 1 is characterized in that described digital signal comprises DVI and HDMI; Described simulating signal comprises AV, VGA and YPbPr; Described output signal comprises DVI or VGA.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310136819.6A CN103198808B (en) | 2013-04-18 | 2013-04-18 | Liquid crystal display splicing wall curtain display control program |
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| CN201310136819.6A CN103198808B (en) | 2013-04-18 | 2013-04-18 | Liquid crystal display splicing wall curtain display control program |
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| CN103198808A true CN103198808A (en) | 2013-07-10 |
| CN103198808B CN103198808B (en) | 2015-08-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103595927A (en) * | 2013-07-19 | 2014-02-19 | 北京淳中视讯科技有限公司 | Image splicing signal processing system |
| CN106502601A (en) * | 2015-09-07 | 2017-03-15 | 江苏清投视讯科技有限公司 | A kind of liquid crystal wall splicing system transmitted based on Internet of Things |
| US10185533B2 (en) | 2013-12-26 | 2019-01-22 | Hanwha Aerospace Co., Ltd | Video wall control system and method |
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| US6404915B1 (en) * | 1998-07-21 | 2002-06-11 | Silitek Corporation | Image acquiring apparatus |
| CN101540160A (en) * | 2009-02-27 | 2009-09-23 | 上海长臣电子设备有限公司 | System for splicing display screens and control method thereof |
| US20110148742A1 (en) * | 2007-05-14 | 2011-06-23 | Christie Digital Systems Canada, Inc. | Configurable imaging system |
| CN202218317U (en) * | 2011-08-02 | 2012-05-09 | 杭州恒胜电子科技有限公司 | Image mosaic controller |
| CN103021368A (en) * | 2012-12-24 | 2013-04-03 | 广东响石数码科技有限公司 | Novel liquid crystal curtain wall splicing system |
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2013
- 2013-04-18 CN CN201310136819.6A patent/CN103198808B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6404915B1 (en) * | 1998-07-21 | 2002-06-11 | Silitek Corporation | Image acquiring apparatus |
| US20110148742A1 (en) * | 2007-05-14 | 2011-06-23 | Christie Digital Systems Canada, Inc. | Configurable imaging system |
| CN101540160A (en) * | 2009-02-27 | 2009-09-23 | 上海长臣电子设备有限公司 | System for splicing display screens and control method thereof |
| CN202218317U (en) * | 2011-08-02 | 2012-05-09 | 杭州恒胜电子科技有限公司 | Image mosaic controller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103595927A (en) * | 2013-07-19 | 2014-02-19 | 北京淳中视讯科技有限公司 | Image splicing signal processing system |
| CN103595927B (en) * | 2013-07-19 | 2017-04-12 | 北京淳中科技股份有限公司 | Image splicing signal processing system |
| US10185533B2 (en) | 2013-12-26 | 2019-01-22 | Hanwha Aerospace Co., Ltd | Video wall control system and method |
| CN104754298B (en) * | 2013-12-26 | 2019-11-26 | 韩华泰科株式会社 | Video wall control system and method |
| CN106502601A (en) * | 2015-09-07 | 2017-03-15 | 江苏清投视讯科技有限公司 | A kind of liquid crystal wall splicing system transmitted based on Internet of Things |
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| CN103198808B (en) | 2015-08-19 |
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Effective date of registration: 20160629 Address after: 511400 Guangdong Province, Guangzhou City Southern towns south of Panyu District Cao Tang Cun He Xi Lu 2-1 Building No. 2 Patentee after: Guangzhou poly Electronic Equipment Co., Ltd. Address before: 511442 Guangdong Province, Guangzhou City Southern towns Panyu District Cao Tang Cun He Xi Road No. 2-1 east of the first floor Patentee before: Guangzhou GuanTai Digital Display Equipment Co., Ltd. |
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Granted publication date: 20150819 Termination date: 20190418 |
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