CN102708840A - Image display system and display unit - Google Patents
Image display system and display unit Download PDFInfo
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- CN102708840A CN102708840A CN2012100980462A CN201210098046A CN102708840A CN 102708840 A CN102708840 A CN 102708840A CN 2012100980462 A CN2012100980462 A CN 2012100980462A CN 201210098046 A CN201210098046 A CN 201210098046A CN 102708840 A CN102708840 A CN 102708840A
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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
- 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
- G09F9/35—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 liquid crystals
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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
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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
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G3/2096—Details of the interface to the display terminal specific for a flat panel
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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]
- G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/023—Display panel composed of stacked panels
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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
- G09G2370/00—Aspects of data communication
- G09G2370/12—Use of DVI or HDMI protocol in interfaces along the display data pipeline
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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
- G09G2370/00—Aspects of data communication
- G09G2370/14—Use of low voltage differential signaling [LVDS] for display data communication
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Multimedia (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention 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 is used for generating drive signals to drive the display unit for displaying according to received video signals. 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 present invention relates to the splicing of video wall, more specifically, relate to a kind of image display system display unit of unifying based on image Segmentation Technology and image boundary compensation technique.
Background technology
Traditional LCD TV splicing video wall scheme generally adopts dual mode: mode one, utilize field programmable gate array (FPGA) chip, according to the liquid crystal panel quantity of splicing, the image segmentation routine of developing special.With the 2x2 video wall is example, and image is handled back output 4 road transistor-transistor logics (TTL) vision signal through fpga chip, and this 4 road signal is input to 4 image processing boards respectively, through directly outputing to liquid crystal panel after the processing such as image zoom.The advantage of this mode is that cost is lower, but the dirigibility of video wall splicing is relatively poor.Mode two; With the 2x2 video wall is example, and simulation CVBS/YPbPr signal is input in first LCD TV, and first LCD TV exported in identical CVBS/YPbPr signal to the second LCD TV; By that analogy, four LCD TVs obtain identical analog input signal.The zones of different of every LCD TV capturing input signal picture frame outputs to liquid crystal panel after Flame Image Process such as upwards drawing high.The advantage of this mode is that the video wall splicing is flexible, and cost is a little more than first kind of mode.
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 when splicing, the non-display area width between two LCD TVs will reach 2～4 centimetres.Therefore all there is this drawback in above dual mode, and influences the actual display effect of video wall.
Summary of the invention
Technical matters to be solved by this invention provides a kind of image display system display unit of unifying, and makes that whole overlay areas of display unit can both display image, thereby improves the display effect of display unit.
For solving the problems of the technologies described above, the present invention provides technical scheme following:
A kind of image display system comprises:
Display unit; Said 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 second type display device covers the non-display area at adjacent two first kind display device stitching position places;
Signal processing unit is used for driving said display unit and showing according to the video signal generating drive signal that receives.
Above-mentioned image display system, wherein, said signal processing unit comprises:
One signal distributor, it receives the input of one first vision signal, and said first vision signal is copied into a plurality of second vision signal outputs;
A plurality of signal-processing boards, wherein at least two signal-processing boards are used to receive said second vision signal, are sent to corresponding first kind display device after said second vision signal is handled; And at least one signal-processing board is used to receive said second vision signal, is sent to corresponding drive plate after said second vision signal is handled;
At least one drive plate is used to receive second vision signal after the processing, is sent to the second corresponding type display device after changing.
Above-mentioned image display system, wherein, signal-processing board is handled second vision signal and is specially, and from second vision signal, catches picture frame, from said picture frame, is separated out subimage, and said subimage is converted into Low Voltage Differential Signal.
Above-mentioned image display system, wherein: signal-processing board is further used for, and according to its corresponding first kind display device or second type display device institute's region covered in display unit, comes from said picture frame, to be separated out corresponding subimage.
Above-mentioned image display system, wherein:
Said first kind display device is a liquid crystal panel;
Said second type display device is a LED display.
Above-mentioned image display system, wherein:
Said first vision signal and second vision signal are HDMI HDMI signal.
Above-mentioned image display system, wherein:
Low Voltage Differential Signal after drive plate is handled said second vision signal that receives transforms and is specially, and converts said Low Voltage Differential Signal into drive 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:
Said first kind display device is a liquid crystal panel;
Said second type display device is a LED display.
Compared with prior art; The present invention is through being provided with two types display device in display unit; Cover the non-display area at adjacent two first kind display device stitching position places with second type display device; Make that whole overlay areas of display unit can both display image, thereby improved the display effect and degree of viewing and admiring of display unit.
Description of drawings
Fig. 1 is the structural representation according to the image display system of the embodiment of the invention;
Fig. 2 is cut apart synoptic diagram for the picture frame of an application example of the present invention;
Fig. 3 is the signal transmission synoptic diagram of an application example of the present invention.
Embodiment
To the above-mentioned defective that exists in the prior art, the embodiment of the invention provides a kind of image display system implementation based on image Segmentation Technology and image boundary compensation technique.Said image display system comprises display unit and signal processing unit; Said 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, second type display device covers the non-display area at adjacent two first kind display device stitching position places; Said signal processing unit is used for driving said display unit and showing according to the video signal generating drive signal that receives.Said signal processing unit is when catching the input signal picture frame; Export to the demonstration of first kind display device except that catching main image-region; Also catch simultaneously the fraction image-region and export to second type display device demonstration of two first kind display device jointing positions; Thereby eliminate the no image area territory between display unit splicing slit, improved the display effect and degree of viewing and admiring of display unit.
Particularly, said signal processing unit can comprise:
One signal distributor, it receives the input of one first vision signal, and said first vision signal is copied into a plurality of second vision signal outputs;
A plurality of signal-processing boards, wherein at least two signal-processing boards are used to receive said second vision signal, are sent to corresponding first kind display device after said second vision signal is handled; And at least one signal-processing board is used to receive said second vision signal, is sent to corresponding drive plate after said second vision signal is handled;
At least one drive plate is used to receive second vision signal after the said processing, is sent to the second corresponding type display device after changing.
Said signal-processing board is handled second vision signal and is specially, and from second vision signal, catches picture frame, from said picture frame, is separated out subimage, and said subimage is converted into Low Voltage Differential Signal.Particularly, said signal-processing board is according to its corresponding first kind display device or second type display device institute's region covered in display unit, comes from said picture frame, to be separated out corresponding subimage.
Wherein, said first kind display device can be liquid crystal panel or active matrix organic light-emitting diode panel (AMOLED) etc., and said second type display device can be LED display etc.Said first kind display device can be arranged with matrix-style, for example, can be 1x2,2x1,2x2,2x3,3x2,3x3 or the like.
When said second type display device is LED display; Low Voltage Differential Signal after said drive plate is handled said second vision signal that receives transforms and is specially; Convert said Low Voltage Differential Signal into drive signal, drive corresponding LED display and show.
Be liquid crystal panel with first kind display device below, its arrangement mode is 2x2, and second type display device is that LED display is an example, comes the present invention is elaborated.
As shown in Figure 1, the image display system of the preferred embodiment of the present invention 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, and signal-processing board 113 is connected between signal distributor 121 and the liquid crystal panel 104, and 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, and signal-processing board 114 is connected between signal distributor 121 and the LED drive plate 119, and 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, and 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, said vision signal can be HDMI (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 four zones up and down respectively; These four zones have comprised most of zone of picture frame, and these four zones output to the corresponding liquid crystal panel and show after converting Low Voltage Differential Signal (LVDS) into through corresponding signal-processing board respectively.
Signal-processing board 110; 112; 114,116 respectively catch picture frame, and from picture frame, are separated out the pocket of level and vertical direction center section respectively in the vision signal that receives; This four pocket outputs to corresponding LED drive plate and handles after converting Low Voltage Differential Signal into through corresponding signal-processing board respectively.LED drive plate 117,118,119,120 converts the Low Voltage Differential Signal that receives into drive signal, 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 said non-display area; Thereby eliminate the no image area territory between display unit splicing slit, improved the display effect and degree of viewing and admiring of display unit.
The above embodiment of the present invention has been introduced signal-processing board 110,112,114 in order to eliminate the no image area territory between display unit splicing slit; 116, the LED drive plate 117,118, and 119; 120, LED display 105,106, and 107; 108, and to signal distributor more than 121 increased by 4 the tunnel output signals, this just need design the display unit image Segmentation Technology of routine again.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 handle.Signal-processing board is when carrying out the seizure of input picture; Can the horizontal direction and the vertical direction of input picture all be divided into 10000 five equilibriums; Satisfy the input request signal of present 4Kx2K fully, also can reach good image segmentation precision the input signal of low resolution.
In embodiments of the present invention, each signal-processing board can carry out the separation of picture frame according to its corresponding liquid crystal panel or LED display institute's region covered in display unit.Fig. 2 is cut apart synoptic diagram for the picture frame of an application example of the present invention.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 handles, and outputs to liquid crystal panel 101,102, and 103,104 show.Image block 205,206,207,208 are positioned at the level and the vertical direction zone line of picture frame, and the image that is used for the display unit jointing positions shows; These 4 zones are by signal-processing board 116,112, and 110,114 are responsible for picture catching, cut apart and handle; And after converting drive signal into by LED drive plate 120,118,117,119; Driving LED display screen 105,106,107,108 show.
Fig. 3 is the signal transmission synoptic diagram of an application example of the present invention.As shown in Figure 3, the HDMI signal of 4Kx2K is input to signal distributor 121, through signal distributor 121 outputs of conversion back and the identical 4Kx2K HDMI of input signal signal.The HDMI signal of 4Kx2K is input to signal-processing board 109, and this signal-processing board 109 is caught the main region of HDMI signal graph picture frame, and LVDS signal or the Mini-LVDS signal of exporting 2Kx1K after treatment 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 is caught the level of HDMI signal graph picture frame or the zone line of vertical direction; Export the Mini-LVDS signal of specified resolution after treatment, this signal is handled rear drive LED display 107 through LED drive plate 117 again and is shown.
Thus; Present embodiment is caught respectively and dividing processing the HDMI signal graph picture frame of input through 8 signal-processing boards; 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 technical scheme of the present invention to be described; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. an image display system is characterized in that, comprising:
Display unit; Said 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 second type display device covers the non-display area at adjacent two first kind display device stitching position places;
Signal processing unit is used for driving said display unit and showing according to the video signal generating drive signal that receives.
2. image display system as claimed in claim 1 is characterized in that, said signal processing unit comprises:
One signal distributor, it receives the input of one first vision signal, and said first vision signal is copied into a plurality of second vision signal outputs;
A plurality of signal-processing boards, wherein at least two signal-processing boards are used to receive said second vision signal, are sent to corresponding first kind display device after said second vision signal is handled; And at least one signal-processing board is used to receive said second vision signal, is sent to corresponding drive plate after said second vision signal is handled;
At least one drive plate is used to receive second vision signal after the processing, is sent to the second corresponding type display device after changing.
3. image display system according to claim 2; It is characterized in that signal-processing board is handled second vision signal and is specially, and from second vision signal, catches picture frame; From said picture frame, be separated out subimage, said subimage is converted into Low Voltage Differential Signal.
4. image display system as claimed in claim 3 is characterized in that:
Signal-processing board is further used for, and according to its corresponding first kind display device or second type display device institute's region covered in display unit, comes from said picture frame, to be separated out corresponding subimage.
5. like claim 3 or 4 described image display systems, it is characterized in that:
Said first kind display device is a liquid crystal panel;
Said second type display device is a LED display.
6. image display system as claimed in claim 5 is characterized in that:
Said first vision signal and second vision signal are HDMI HDMI signal.
7. like the said image display system of claim 5, it is characterized in that:
Low Voltage Differential Signal after drive plate is handled said second vision signal that receives transforms and is specially, and converts said Low Voltage Differential Signal into drive signal, drives corresponding LED display and shows.
8. 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.
9. display unit as claimed in claim 8 is characterized in that:
Said first kind display device is a liquid crystal panel;
Said second type display device is a LED display.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100980462A CN102708840A (en) | 2012-04-05 | 2012-04-05 | Image display system and display unit |
| PCT/CN2012/086785 WO2013149485A1 (en) | 2012-04-05 | 2012-12-17 | Image display system and display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100980462A CN102708840A (en) | 2012-04-05 | 2012-04-05 | Image display system and display unit |
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| CN102708840A true CN102708840A (en) | 2012-10-03 |
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| CN2012100980462A Pending CN102708840A (en) | 2012-04-05 | 2012-04-05 | Image display system and display unit |
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| WO (1) | WO2013149485A1 (en) |
Cited By (8)
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| CN103295481A (en) * | 2013-06-04 | 2013-09-11 | 曹嘉灿 | Frameless display device |
| WO2013149485A1 (en) * | 2012-04-05 | 2013-10-10 | 京东方科技集团股份有限公司 | Image display system and display unit |
| CN104123893A (en) * | 2014-08-08 | 2014-10-29 | 北京环宇蓝博科技有限公司 | Optical seamless splicing device for liquid crystal screen |
| CN104462617A (en) * | 2014-11-02 | 2015-03-25 | 逄锦辉 | Signal analysis device and automatic parameter entering and comparing system and method |
| CN104900167A (en) * | 2015-06-19 | 2015-09-09 | 武汉华星光电技术有限公司 | Spliced display screen |
| 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 |
| US11100896B1 (en) | 2020-04-01 | 2021-08-24 | Wistron Corp. | Liquid-crystal display combined with LED strip and display method thereof |
| WO2023082367A1 (en) * | 2021-11-10 | 2023-05-19 | Tcl华星光电技术有限公司 | Tiled-screen display apparatus |
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