CN101706623A - Seamless splicing display device of LCD - Google Patents
Seamless splicing display device of LCD Download PDFInfo
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- CN101706623A CN101706623A CN200810219683A CN200810219683A CN101706623A CN 101706623 A CN101706623 A CN 101706623A CN 200810219683 A CN200810219683 A CN 200810219683A CN 200810219683 A CN200810219683 A CN 200810219683A CN 101706623 A CN101706623 A CN 101706623A
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Abstract
The invention provides a seamless splicing display device of an LCD. The device comprises an LCD panel with collimated beam illumination, a diffusion lens and a screen. According to the direction of a light path, the seamless splicing display device of the LCD is provided with the LCD panel with the collimated beam illumination, the diffusion lens and the screen sequentially, or provided with the diffusion lens with the collimated beam illumination, the LCD panel and the screen sequentially, wherein the collimated beam vertically enters the LCD panel or the diffusion lens by incidence. The display device is simple in structure and convenient for installation and can simply, conveniently and effectively eliminate the splicing seams generated when splicing LCD panels.
Description
Technical field
The present invention relates to the tiled display technology, particularly a kind of LCD seamless splicing display device.
Background technology
In recent years, many advantages such as along with developing rapidly of large-scale LCD panel, LCD display is ultra-thin, in light weight, radiationless with it, stable performance become the main flow of display technique gradually, also just progressively replace the main flow that CRT becomes display.Though the LCD of oversize can accomplish 80 cun even 100 cun, needing the occasion of large screen display (as Control Room etc.) still can not satisfy user's requirement, so the LCD spliced display wall arise at the historic moment, show up prominently in the large screen display field gradually.
The LCD panel since around the demand of driving circuit and production technology, around display image, need to keep certain space, image can not be shown to the fringe region of panel, width that generally should the zone surpasses 10mm, and increase along with the increase of panel size, therefore, when carrying out tiled display, form bigger splicing seams easily, the width of general this splicing seams surpasses 20mm, so causing display frame is cut apart, continuity and integrality that this has just destroyed display image make picture lose whole visual effect.Some LCD panel merchants are making great efforts to reduce the border width of panel, DID LCD panel as Samsung's exploitation, this border width has been dropped to 6～7mm (corresponding 46 cun display screens), but add fixed frame, still have the width of nearly 8～10mm, nearly 20 millimeters of piece during splicing, this has been the highest level of industry.
Minimizing even thorough removal of images splicing seams are the directions of large-screen splicing technical research as far as possible.Application number is that 00225268.6 Chinese utility model patent " light transmitting fiber amplification display screen " has proposed the notion that optical fiber amplifies display screen, adopt the different optical fiber arrangements of two ends thickness together, image is carried out geometry to be amplified, but it is because the individual compartmentation of large tracts of land optical fiber arrangements technology and optical fiber causes display frame picture quality severe exacerbation easily.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of LCD seamless splicing display device is provided, frame when this device can effectively solve the LCD panel splicing and splicing seams problem guarantee the continuity and the integrality of display image to reach better viewing effect better.
The present invention is achieved through the following technical solutions: a kind of LCD seamless splicing display device comprises LCD panel, diffusion mirror and screen that collimated light beam throws light on; According to optical path direction, the LCD seamless splicing display device sets gradually and is the LCD panel of collimated light beam illumination, diffusion mirror and screen, perhaps sets gradually to be diffusion mirror, LCD panel and screen under the collimated light beam illumination, and screen cover is to spectators; Wherein collimated light beam impinges perpendicularly on LCD panel or diffusion mirror.
Described diffusion mirror places LCD panel front or back to press close to LCD panel place.
Described diffusion mirror can be negative Fresnel Lenses, lens arra, holographic optical lens or other can spread the element of light beam.
Described screen can be the back projection transmissive viewing screen of diffused, is the diffusion barrier or the diffusion screens of scattered beam, also can be the optical back projection transmissive viewing screen with micromechanism.
Described screen can include positive Fresnel Lenses, makes beam collimation and is normally incident on the screen.
Described collimated light beam can be produced by the parallel light tube array, is perhaps produced by other components and parts that can produce collimated light beam.
The principle of this LCD seamless splicing display device is based upon on the light pencil rectilinear propagation principle, be specially: after collimated light beam passes the LCD panel, be divided into a lot of tiny light beams by the LCD panel pixel, each pixel is corresponding to red, green, the tiny light beam of Lan Sanse, the LCD panel is propagated and penetrated to this tiny light beam straight line forward, through becoming the set of the tiny light beam of dispersing behind the diffusion mirror, after the tiny light beam set of dispersing is propagated certain distance forward, the cross section of light beam set is exaggerated, reenter and be mapped on the screen, so on screen, form image, the area of this image can cover LCD panel and fringe region thereof fully, so this device has also just been eliminated splicing seams and the panel border thereof that produces when the LCD panel splices.
Compared with prior art, the present invention has following beneficial effect:
1, this LCD seamless splicing display device utilizes tiny light beam projection principle, and simple in structure, it is convenient to implement, and the splicing seams that produces owing to panel border in the time of eliminating the LCD panel splicing is effectively realized real seamless LCD tiled display.
2, the collimated light beam illumination is adopted in the illumination of LCD panel of the present invention, can eliminate the mutual interference of light beam between different pixels, improves sharpness and contrast that LCD shows.
Description of drawings
Fig. 1 is the principle schematic of the present invention when being used for single LCD panel and showing.
Fig. 2 is the principle schematic of the present invention when being used for a plurality of LCD panel splicings and showing.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
A kind of LCD seamless splicing display device of present embodiment, its structure as shown in Figure 1, according to optical path direction, the LCD seamless splicing display device sets gradually LCD panel 2, diffusion mirror 3 and the screen 4 that is the collimated light beam illumination, screen 4 is towards spectators; Wherein collimated light beam 1 impinges perpendicularly on LCD panel 2.
Wherein, diffusion mirror 3 places LCD panel 2 back to press close to LCD panel 2 places; Diffusion mirror 3 can adopt negative Fresnel Lenses, lens arra, holographic optical lens or other can spread the element of light beam; Screen 4 can be the back projection transmissive viewing screen of diffused, is the diffusion barrier or the diffusion screens of scattered beam, also can be the optical back projection transmissive viewing screen with microtexture; Collimated light beam 1 is produced by the parallel light tube array, is perhaps produced by other components and parts that can produce collimated light beam.
Screen 4 can also have positive Fresnel Lenses, makes beam collimation and is normally incident on the screen 4.
When this device was used for the LCD panel splicing, its structure also was stitched together each device and gets final product as shown in Figure 2.
The principle of this LCD seamless splicing display device is based upon on the light pencil rectilinear propagation principle, be specially: after collimated light beam 1 passes LCD panel 2, by LCD panel 2 pixel segmentation is a lot of tiny light beams, each pixel is corresponding to red, green, the tiny light beam of Lan Sanse, LCD panel 2 is propagated and penetrated to this tiny light beam straight line forward, through becoming the set of the tiny light beam of dispersing behind the diffusion mirror 3, after the tiny light beam set of dispersing is propagated certain distance forward, the cross section of light beam set is exaggerated, reenter and be mapped on the screen 4, so on screen 4, form image, the area of this image can cover LCD panel 2 and fringe region thereof fully, so this device has also just been eliminated splicing seams and the panel border thereof that produces when the LCD panel splices.
The another kind of LCD seamless splicing display device of present embodiment compares with embodiment 1, and difference is that according to optical path direction, diffusion mirror 3 places LCD panel 2 fronts of collimated light beam illumination to press close to LCD panel 2 places.
The LCD seamless splicing display device of present embodiment, its principle of work also is to be based upon on the light pencil rectilinear propagation principle basis, be specially: collimated light beam 1 is earlier through becoming the light beam of dispersing behind the diffusion mirror 3, this light beam passes LCD panel 2 then, by LCD panel 2 pixel segmentation is a lot of tiny light beams, each pixel is corresponding to red, green, the tiny light beam of Lan Sanse, this tiny light beam is the divergent state straight line propagate forward and penetrate LCD panel 2 after, continue to incide on the screen 4, image area on the screen 4 can cover LCD panel 2 and fringe region thereof fully at this moment, so this device has also just been eliminated splicing seams and the panel border thereof that produces when the LCD panel splices.
As mentioned above, just can realize the present invention preferably, the foregoing description is preferred embodiment of the present invention only, is not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (6)
1. a LCD seamless splicing display device is characterized in that, comprises LCD panel, diffusion mirror and the screen of collimated light beam illumination; According to optical path direction, the LCD seamless splicing display device sets gradually and is the LCD panel of collimated light beam illumination, diffusion mirror and screen, perhaps sets gradually to be diffusion mirror, LCD panel and screen under the collimated light beam illumination; Wherein collimated light beam impinges perpendicularly on LCD panel or the diffusion mirror.
2. a kind of LCD seamless splicing display device according to claim 1 is characterized in that, according to optical path direction, described diffusion mirror places LCD panel front or back to press close to LCD panel place.
3. a kind of LCD seamless splicing display device according to claim 1 is characterized in that, described diffusion mirror is negative Fresnel Lenses, lens arra or holographic optical lens.
4. a kind of LCD seamless splicing display device according to claim 1 is characterized in that, described screen is diffused or the optical back projection transmissive viewing screen with microtexture.
5. a kind of LCD seamless splicing display device according to claim 4 is characterized in that described screen has positive Fresnel Lenses.
6. a kind of LCD seamless splicing display device according to claim 1 is characterized in that described collimated light beam is produced by the parallel light tube array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810219683A CN101706623A (en) | 2008-12-04 | 2008-12-04 | Seamless splicing display device of LCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810219683A CN101706623A (en) | 2008-12-04 | 2008-12-04 | Seamless splicing display device of LCD |
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| Publication Number | Publication Date |
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| CN101706623A true CN101706623A (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810219683A Pending CN101706623A (en) | 2008-12-04 | 2008-12-04 | Seamless splicing display device of LCD |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184678A (en) * | 2011-05-05 | 2011-09-14 | 广东威创视讯科技股份有限公司 | Splicing display unit and large-screen display device |
| CN102346326A (en) * | 2011-09-20 | 2012-02-08 | 广东威创视讯科技股份有限公司 | LCD (liquid crystal display) seamless splicing system |
| CN102646407A (en) * | 2012-05-14 | 2012-08-22 | 广东威创视讯科技股份有限公司 | Seamless splicing display method and device |
| CN103969740A (en) * | 2013-01-31 | 2014-08-06 | 鸿富锦精密工业（深圳）有限公司 | Diffusion lens, light source module and surface light source |
| CN103996360A (en) * | 2014-05-26 | 2014-08-20 | 广东威创视讯科技股份有限公司 | Gap eliminating device and seamless splicing display device |
| CN104620165A (en) * | 2012-03-09 | 2015-05-13 | 康宁股份有限公司 | Display device using directional backlighting |
| CN107545850A (en) * | 2016-06-27 | 2018-01-05 | 乐金显示有限公司 | Multiaspect panel display |
| CN110942726A (en) * | 2018-09-21 | 2020-03-31 | 深圳光峰科技股份有限公司 | LED display screen |
| US10716223B2 (en) | 2017-04-17 | 2020-07-14 | Google Llc | Frame assembly for an electronic device display |
| WO2021147963A1 (en) * | 2020-01-23 | 2021-07-29 | 京东方科技集团股份有限公司 | Display assembly, display device, and vr/ar display apparatus |
-
2008
- 2008-12-04 CN CN200810219683A patent/CN101706623A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184678B (en) * | 2011-05-05 | 2013-03-06 | 广东威创视讯科技股份有限公司 | Splicing display unit and large-screen display device |
| CN102184678A (en) * | 2011-05-05 | 2011-09-14 | 广东威创视讯科技股份有限公司 | Splicing display unit and large-screen display device |
| CN102346326A (en) * | 2011-09-20 | 2012-02-08 | 广东威创视讯科技股份有限公司 | LCD (liquid crystal display) seamless splicing system |
| CN104620165A (en) * | 2012-03-09 | 2015-05-13 | 康宁股份有限公司 | Display device using directional backlighting |
| CN102646407A (en) * | 2012-05-14 | 2012-08-22 | 广东威创视讯科技股份有限公司 | Seamless splicing display method and device |
| CN103969740A (en) * | 2013-01-31 | 2014-08-06 | 鸿富锦精密工业（深圳）有限公司 | Diffusion lens, light source module and surface light source |
| CN103996360A (en) * | 2014-05-26 | 2014-08-20 | 广东威创视讯科技股份有限公司 | Gap eliminating device and seamless splicing display device |
| CN103996360B (en) * | 2014-05-26 | 2016-06-29 | 广东威创视讯科技股份有限公司 | Disappear seam device and seamless tiled display equipment |
| CN107545850A (en) * | 2016-06-27 | 2018-01-05 | 乐金显示有限公司 | Multiaspect panel display |
| US10564914B2 (en) | 2016-06-27 | 2020-02-18 | Lg Display Co., Ltd. | Multi-panel display device |
| CN107545850B (en) * | 2016-06-27 | 2020-06-05 | 乐金显示有限公司 | Multi-panel display device |
| US10716223B2 (en) | 2017-04-17 | 2020-07-14 | Google Llc | Frame assembly for an electronic device display |
| CN110942726A (en) * | 2018-09-21 | 2020-03-31 | 深圳光峰科技股份有限公司 | LED display screen |
| WO2021147963A1 (en) * | 2020-01-23 | 2021-07-29 | 京东方科技集团股份有限公司 | Display assembly, display device, and vr/ar display apparatus |
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Application publication date: 20100512 |