CN202677808U - Image display system and display unit - Google Patents
Image display system and display unit Download PDFInfo
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- CN202677808U CN202677808U CN2012201404850U CN201220140485U CN202677808U CN 202677808 U CN202677808 U CN 202677808U CN 2012201404850 U CN2012201404850 U CN 2012201404850U CN 201220140485 U CN201220140485 U CN 201220140485U CN 202677808 U CN202677808 U CN 202677808U
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Abstract
The utility model provides an image display system and a display unit. The image display system comprises the display unit and a signal processing unit. The display unit comprises at least two first display devices arranged in a preset way and at least one second display device. Each second display device covers a non-display area at the joint of two adjacent first display devices; the signal processing unit used for generating drive signals to drive the display unit for displaying according to received video signals is connected to the display unit. According to the technical scheme, the whole covered area of the display unit can display images, and accordingly display effect of the display unit is improved.
Description
Technical field
The utility model relates to the splicing of video wall, more specifically, relates to a kind of image display system based on image Segmentation Technology and image boundary compensation technique display unit of unifying.
Background technology
Traditional LCD TV jointed television wall scheme generally adopts dual mode: mode one, utilize field programmable gate array (FPGA) chip, and according to the liquid crystal panel quantity of splicing, develop special image segmentation routine.Take the 2x2 video wall as example, output 4 road transistor-transistor logics (TTL) vision signal after image is processed through fpga chip, this 4 road signal is input to respectively 4 image processing boards, through directly outputing to liquid crystal panel after the processing such as image scaling.The advantage of this mode is that cost is lower, but the dirigibility of video wall splicing is relatively poor.Mode two, take the 2x2 video wall as example, simulation CVBS/YPbPr signal is input in the First LCD TV, and the First LCD TV is exported in identical CVBS/YPbPr signal to the second LCD TV, by that analogy, four LCD TV obtain identical analog input signal.The zones of different of every LCD TV capturing input signal picture frame outputs to liquid crystal panel through upwards drawing high etc. after image is processed.The advantage of this mode is that video wall splicing is flexible, and cost is a little more than first kind of way.
Reason owing to the liquid crystal panel manufacturing process, there is 1～2 centimetre white space (non-display area) usually in the liquid crystal panel viewing area to the panel border, when utilizing LCD TV to carry out video wall splicing, the non-display area width between two LCD TV will reach 2～4 centimetres.Therefore all there is this drawback in above dual mode, and affects the display effect of video wall reality.
The utility model content
Technical problem to be solved in the utility model provides a kind of image display system display unit of unifying, so that whole overlay areas of display unit can both show image, thereby improves the display effect of display unit.
For solving the problems of the technologies described above, the utility model provides technical scheme as follows:
A kind of image display system comprises:
Display unit, described display unit comprises at least two first kind display device and at least one Second Type display device of arranging according to predetermined way, and the Second Type display device covers the non-display area at adjacent two first kind display device stitching position places;
Be used for driving signal according to the video signal generating that receives, drive the signal processing unit that described display unit shows, be connected with display unit.
Above-mentioned image display system, wherein, described signal processing unit comprises:
One signal distributor, it receives the input of one first vision signal, and described the first vision signal is copied into a plurality of the second vision signal outputs;
A plurality of signal-processing boards, wherein at least two signal-processing boards are used for receiving described the second vision signal, are sent to corresponding first kind display device after described the second vision signal is processed; And at least one signal-processing board will be sent to corresponding drive plate after described the second vision signal processing for receiving described the second vision signal;
At least one drive plate for the second vision signal behind the reception ﹠ disposal, is sent to corresponding Second Type display device after changing.
Above-mentioned image display system, wherein, signal-processing board is processed the second vision signal and is specially, and catches picture frame from the second vision signal, is separated out subimage from described picture frame, and described subimage is converted into Low Voltage Differential Signal.
Above-mentioned image display system, wherein: signal-processing board is further used for, and according to the zone that its corresponding first kind display device or Second Type display device cover in display unit, comes to be separated out corresponding subimage from described picture frame.
Above-mentioned image display system, wherein:
Described first kind display device is liquid crystal panel;
Described Second Type display device is LED display.
Above-mentioned image display system, wherein:
Described the first vision signal and the second vision signal are HDMI (High Definition Multimedia Interface) HDMI signal;
Above-mentioned image display system, wherein:
Low Voltage Differential Signal after drive plate is processed described the second vision signal that receives transforms and is specially, and described Low Voltage Differential Signal is converted to the driving signal, drives corresponding LED display and shows.
A kind of display unit comprises:
At least two first kind display device of arranging according to predetermined way;
At least one Second Type display device, Second Type display device cover the non-display area at adjacent two first kind display device stitching position places.
Above-mentioned display unit, wherein:
Described first kind display device is liquid crystal panel;
Described Second Type display device is LED display.
Compared with prior art, the utility model is by arranging two types display device in display unit, cover the non-display area at adjacent two first kind display device stitching position places with the Second Type display device, so that whole overlay areas of display unit can both show image, thereby the display effect of display unit and degree of viewing and admiring have been improved.
Description of drawings
Fig. 1 is the structural representation according to the image display system of the utility model embodiment;
Fig. 2 is that the picture frame of an application example of the present utility model is cut apart schematic diagram;
Fig. 3 is the signal transmission schematic diagram of an application example of the present utility model.
Embodiment
For the defects that exists in the prior art, the utility model embodiment provides a kind of image display system implementation based on image Segmentation Technology and image boundary compensation technique.Described image display system comprises display unit and signal processing unit, described display unit comprises at least two first kind display device of arranging according to predetermined way, and at least one Second Type display device, wherein, the Second Type display device covers the non-display area at adjacent two first kind display device stitching position places, described signal processing unit is used for driving signal according to the video signal generating that receives, and drives described display unit and shows.Described signal processing unit is when catching the input signal picture frame, export to the demonstration of first kind display device except catching main image-region, also catch simultaneously the fraction image-region and export to the Second Type display device demonstration of two first kind display device splicing place, thereby eliminate the no image area territory between display unit splicing slit, improved display effect and the degree of viewing and admiring of display unit.
Particularly, described signal processing unit can comprise:
One signal distributor, it receives the input of one first vision signal, and described the first vision signal is copied into a plurality of the second vision signal outputs;
A plurality of signal-processing boards, wherein at least two signal-processing boards are used for receiving described the second vision signal, are sent to corresponding first kind display device after described the second vision signal is processed; And at least one signal-processing board will be sent to corresponding drive plate after described the second vision signal processing for receiving described the second vision signal;
At least one drive plate is used for receiving the second vision signal after the described processing, is sent to corresponding Second Type display device after changing.
Described signal-processing board is processed the second vision signal and is specially, and catches picture frame from the second vision signal, is separated out subimage from described picture frame, and described subimage is converted into Low Voltage Differential Signal.Particularly, described signal-processing board is the zone that covers in display unit according to its corresponding first kind display device or Second Type display device, comes to be separated out from described picture frame corresponding subimage.
Wherein, described first kind display device can be liquid crystal panel or active matrix organic light-emitting diode panel (AMOLED) etc., and described Second Type display device can be LED display etc.Described first kind display device can be arranged with matrix-style, for example, can be 1x2,2x1,2x2,2x3,3x2,3x3 etc.
When described Second Type display device is LED display, Low Voltage Differential Signal after described drive plate is processed described the second vision signal that receives transforms and is specially, described Low Voltage Differential Signal is converted to the driving signal, drives corresponding LED display and show.
The below is take first kind display device as liquid crystal panel, and its arrangement mode is 2x2, and the Second Type display device is that LED display is example, comes the utility model is elaborated.
As shown in Figure 1, the image display system of the utility model preferred embodiment can comprise:
Liquid crystal panel 101,102,103,104;
LED display 105,106,107,108;
Signal-processing board 109,110,111,112,113,114,115,116;
LED drive plate 117,118,119,120; And
Wherein, signal-processing board 109 is connected between signal distributor 121 and the liquid crystal panel 101, signal-processing board 111 is connected between signal distributor 121 and the liquid crystal panel 103, signal-processing board 113 is connected between signal distributor 121 and the liquid crystal panel 104, signal-processing board 115 is connected between signal distributor 121 and the liquid crystal panel 102, signal-processing board 110 is connected between signal distributor 121 and the LED drive plate 117, signal-processing board 112 is connected between signal distributor 121 and the LED drive plate 118, signal-processing board 114 is connected between signal distributor 121 and the LED drive plate 119, signal-processing board 116 is connected between signal distributor 121 and the LED drive plate 120, the output of LED drive plate 117 is connected to LED display 107, the output of LED drive plate 118 is connected to LED display 106, the output of LED drive plate 119 is connected to LED display 108, and the output of LED drive plate 120 is connected to LED display 105.
The input of signal distributor 121 receiving video signals, with the vision signal of input copy as 8 the tunnel with the identical vision signal output of the vision signal of input, described vision signal can be HDMI (High Definition Multimedia Interface) (HDMI) signal.Signal-processing board 109,111,113,115 respectively catch picture frame in the vision signal that receives, and from picture frame, be separated out respectively up and down four zones, these four district inclusions most of zone of picture frame, these four zones output to corresponding liquid crystal panel and show after being converted to Low Voltage Differential Signal (LVDS) through corresponding signal-processing board respectively.
Signal-processing board 110,112,114,116 respectively catch picture frame in the vision signal that receives, and from picture frame, be separated out respectively the pocket of horizontal and vertical direction center section, this four pocket outputs to corresponding LED drive plate and processes after being converted to Low Voltage Differential Signal through corresponding signal-processing board respectively.LED drive plate 117,118,119,120 is converted to the driving signal with the Low Voltage Differential Signal that receives, and drives corresponding LED display and shows.Liquid crystal panel 101,102,103,104 is the main viewing area of video wall, LED display 105,106,107,108 are placed in the non-display area at two liquid crystal panel stitching position places, can show at described non-display area, thereby eliminate no image area territory between display unit splicing slit, improved display effect and the degree of viewing and admiring of display unit.
Above-described embodiment of the present utility model has been introduced signal-processing board 110,112 in order to eliminate the no image area territory between display unit splicing slit, 114,116, the LED drive plate 117,118, and 119,120, LED display 105,106,107,108, and signal distributor more than 121 increased by 4 tunnel output signals, this just need to redesign the display unit image Segmentation Technology of routine.Be input to respectively in the 8 block signal disposable plates 109,111,113,115,109,111,113,115 from 8 tunnel vision signals of signal distributor 121 output, signal-processing board catch respectively input the video signal image frame zones of different and process.Signal-processing board is when carrying out the seizure of input picture, horizontal direction and the vertical direction of input picture all can be divided into 10000 five equilibriums, satisfy the input request signal of present 4Kx2K fully, also can reach good image segmentation precision to the input signal of low resolution.
In the utility model embodiment, the separation of picture frame is carried out in the zone that each signal-processing board can cover in display unit according to its corresponding liquid crystal panel or LED display.Fig. 2 is that the picture frame of an application example of the present utility model is cut apart schematic diagram.As shown in Figure 2, the HDMI signal graph picture frame of input is divided into 8 blocks by 8 signal-processing boards.Image block 201,202,203,204 is the main viewing area of display unit, and by signal-processing board 109,115,111,113 are responsible for picture frame catches, cuts apart and processes, and outputs to liquid crystal panel 101,102, and 103,104 show.Image block 205,206,207,208 are positioned at the horizontal and vertical direction zone line of picture frame, are used for the image demonstration of display unit splicing place, and these 4 zones are by signal-processing board 116,112,110,114 are responsible for picture catching, cut apart and process, and by LED drive plate 120,118,117,119 be converted to drive signal after, driving LED display screen 105,106,107,108 show.
Fig. 3 is the signal transmission schematic diagram of an application example of the present utility model.As shown in Figure 3, the HDMI signal of 4Kx2K is input to signal distributor 121, through output and the identical 4Kx2K HDMI of input signal signal after signal distributor 121 conversions.The HDMI signal of 4Kx2K is input to signal-processing board 109, and this signal-processing board 109 catches the main region of HDMI signal graph picture frame, and LVDS signal or the Mini-LVDS signal of exporting after treatment 2Kx1K show to liquid crystal panel 101.The HDMI signal of 4Kx2K also is input to signal-processing board 110 simultaneously, this signal-processing board 110 catches the level of HDMI signal graph picture frame or the zone line of vertical direction, export after treatment the Mini-LVDS signal of specified resolution, this signal is processed rear drive LED display 107 through LED drive plate 117 again and is shown.
Thus, the present embodiment catches respectively and dividing processing by the HDMI signal graph picture frame of 8 signal-processing boards to input, and drive liquid crystal panel and LED display demonstration, thus eliminated the no image area territory between display unit splicing slit, improved the whole appreciation effect of display unit.
Should be noted that at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spiritual scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. an image display system is characterized in that, comprising:
Display unit, described display unit comprises at least two first kind display device and at least one Second Type display device of arranging according to predetermined way, and the Second Type display device covers the non-display area at adjacent two first kind display device stitching position places;
Be used for driving signal according to the video signal generating that receives, drive the signal processing unit that described display unit shows, be connected with display unit.
2. image display system as claimed in claim 1 is characterized in that, described signal processing unit comprises:
One signal distributor, it receives the input of one first vision signal, and described the first vision signal is copied into a plurality of the second vision signal outputs;
The a plurality of signal-processing boards that are connected with signal distributor, wherein at least two signal-processing boards are used for receiving described the second vision signal, are sent to corresponding first kind display device after described the second vision signal is processed; And at least one signal-processing board will be sent to corresponding drive plate after described the second vision signal processing for receiving described the second vision signal;
For the second vision signal behind the reception ﹠ disposal, be sent at least one drive plate of corresponding Second Type display device after changing, be connected with signal-processing board.
3. image display system as claimed in claim 2 is characterized in that:
Described first kind display device is liquid crystal panel;
Described Second Type display device is LED display.
4. image display system as claimed in claim 3 is characterized in that:
Described the first vision signal and the second vision signal are HDMI (High Definition Multimedia Interface) HDMI signal.
5. image display system as claimed in claim 3 is characterized in that:
Low Voltage Differential Signal after drive plate is processed described the second vision signal that receives transforms and is specially, and described Low Voltage Differential Signal is converted to the driving signal, drives corresponding LED display and shows.
6. a display unit is characterized in that, comprising:
At least two first kind display device of arranging according to predetermined way;
At least one Second Type display device, Second Type display device cover the non-display area at adjacent two first kind display device stitching position places.
7. display unit as claimed in claim 6 is characterized in that:
Described first kind display device is liquid crystal panel;
Described Second Type display device is LED display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201404850U CN202677808U (en) | 2012-04-05 | 2012-04-05 | Image display system and display unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201404850U CN202677808U (en) | 2012-04-05 | 2012-04-05 | Image display system and display unit |
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| CN202677808U true CN202677808U (en) | 2013-01-16 |
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| CN2012201404850U Expired - Lifetime CN202677808U (en) | 2012-04-05 | 2012-04-05 | Image display system and display unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708840A (en) * | 2012-04-05 | 2012-10-03 | 京东方科技集团股份有限公司 | Image display system and display unit |
| CN105282457A (en) * | 2015-10-16 | 2016-01-27 | 深圳市巨潮科技股份有限公司 | Splicing device and splicing method of non-standard resolution display |
| CN105489144A (en) * | 2015-12-23 | 2016-04-13 | 南京欣威视通信息科技股份有限公司 | Multi-screen playing method and device for multimedia advertising player |
| CN105704407A (en) * | 2016-01-29 | 2016-06-22 | 京东方科技集团股份有限公司 | A display processing apparatus, device and method |
| CN114242011A (en) * | 2021-12-15 | 2022-03-25 | Tcl华星光电技术有限公司 | Driving system and driving method for display device |
-
2012
- 2012-04-05 CN CN2012201404850U patent/CN202677808U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708840A (en) * | 2012-04-05 | 2012-10-03 | 京东方科技集团股份有限公司 | Image display system and display unit |
| CN105282457A (en) * | 2015-10-16 | 2016-01-27 | 深圳市巨潮科技股份有限公司 | Splicing device and splicing method of non-standard resolution display |
| CN105282457B (en) * | 2015-10-16 | 2019-03-26 | 深圳市巨潮科技股份有限公司 | A kind of splicing apparatus and its joining method of non-standard resolution display |
| CN105489144A (en) * | 2015-12-23 | 2016-04-13 | 南京欣威视通信息科技股份有限公司 | Multi-screen playing method and device for multimedia advertising player |
| CN105489144B (en) * | 2015-12-23 | 2018-08-31 | 南京欣威视通信息科技股份有限公司 | A kind of Multimedia Advertisement Machine multi-screen playback method and playing device |
| CN105704407A (en) * | 2016-01-29 | 2016-06-22 | 京东方科技集团股份有限公司 | A display processing apparatus, device and method |
| CN105704407B (en) * | 2016-01-29 | 2017-12-22 | 京东方科技集团股份有限公司 | A kind of display processing unit, device and method |
| US10097803B2 (en) | 2016-01-29 | 2018-10-09 | Boe Technology Group Co., Ltd. | Display processing apparatus, device and method |
| CN114242011A (en) * | 2021-12-15 | 2022-03-25 | Tcl华星光电技术有限公司 | Driving system and driving method for display device |
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