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CN101140341A - Leaded light image amplification screen - Google Patents

Leaded light image amplification screen Download PDF

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Publication number
CN101140341A
CN101140341A CNA2007101764031A CN200710176403A CN101140341A CN 101140341 A CN101140341 A CN 101140341A CN A2007101764031 A CNA2007101764031 A CN A2007101764031A CN 200710176403 A CN200710176403 A CN 200710176403A CN 101140341 A CN101140341 A CN 101140341A
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China
Prior art keywords
screen
optical fiber
leaded light
image amplification
fiber
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Granted
Application number
CNA2007101764031A
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Chinese (zh)
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CN100570418C (en
Inventor
白建荣
樊胜利
李洪林
张永玲
颜磊
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Beijing Fangrui Boshi Digital Technology Co ltd
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Beijing Tongfang Rainball Digital Technology Co Ltd
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Priority to CNB2007101764031A priority Critical patent/CN100570418C/en
Publication of CN101140341A publication Critical patent/CN101140341A/en
Application granted granted Critical
Publication of CN100570418C publication Critical patent/CN100570418C/en
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Abstract

A light guide image amplifying screen comprises a front-end transparent layer, a fiber transmission layer, a micro-lens layer and a back-end transparent layer through compounding. Wherein, the micro-lens layer serves as an image amplifying lens and directly attached to a top of a fiber end. Fiber diameter of the fiber transmission layer is even or variable. The screen is designed into a ladder-like structure with thickness of 5 to 100 mm according to size of frames without images around the screen to form a light guide amplifying and imaging screen connected with an assembling frame in back of the screen without influencing image transmission, provided with a large cross section on one side and a small cross section on the other side and showing a ladder-like appearance at thickness direction, thus eliminating screen assembling seams. The present invention has the advantages of completely removing physical seams, reducing optical seams to 0 to 0.2 mm and ensuring continuity, intactness and excellent appreciation of assembled images.

Description

Leaded light image amplification screen
Technical field
The invention belongs to the video technique field, as the seamless spliced technology of video, the video large-screen splicing is applicable to places such as video monitoring, operational commanding, analog simulation, TV station, exhibition, large-scale common presentation, and purposes is very extensive.
Technical background
The little splicing pattern in video-splicing slit in the market mainly is back projection type and plasma splicing, comprised DLP ray machine back projection type by the throwing formula, be subject to the brightness of ray machine, the key dimension specification is 50 inches, 60 inches, 67 inches, and the splicing slit is approximately at 1.5 millimeters; Second kind is the jumbotron splicing, and screen size is generally 84 inches, 100 inches, 120 inches, 150 inches, and the screen piece is generally in 5 millimeter; The third is a CRT rear-projection splicing pattern, is subject to the brightness of CRT projection guns, and all in 60 inches, the splicing slit is between 3~5 millimeters for the size of general concatenation unit.The Korea S Ou Lian plasma splicing that occurred later in 2004,5 millimeters in splicing slit.These two kinds of finedraw splicing patterns are advanced in the market splicing patterns, but all can't reach thorough elimination physics piece, and actual optics piece is also bigger than physics piece, image still exists and is spliced the phenomenon that the slit is cut apart, images category is very obvious like the sensation of building blocks, has influenced continuity, the integrality of image and the effect of watching.The physics piece and the optics piece that reduce as far as possible until thorough removal of images splicing are the directions of video large-screen splicing research and development.
Optical fiber has been widely used in communication signal transmission field video signal transmission field, and the leaded light of optical fiber has also obtained in medical science, toy and special lighting field using more widely with leading as performance.Patent 200410091097.8 and 200410091098.2 inventors have introduced a kind of method of utilizing optical fiber to eliminate the splicing slit, belong to optical fiber in leaded light and the application imagination of leading the picture field, its basic composition is the image segmentation module, image translation module and image restoring module, its module combinations is utilizing conventional joining method will certainly cause the modularization of image, form new splicing finedraw, destroy the integrality of image, adopt high-accuracy joining method can cause the rapid rising of splicing cost again, increased the technology implementation difficulty of eliminating the splicing slot method and promoted difficulty.Patent CN1099175A inventor has introduced a kind of method of utilizing optical fiber fabrication flat square TV, also belong to the application imagination of optical fiber in leaded light and imaging field, the method of utilizing optical fiber can manufacture the enlarged image of similar magnifier type has been described, it is characterized in that manufacturing special one the thin one pluckings different optical fiber of two end cross-sectional areas, the difficult point of its successful implementation be to manufacture the too high and inventor of the manufacturing cost of the different optical fiber of two end cross-sectional areas of same specification do not consider the optical fiber reducing can increase in the optical fiber light-guiding process light loss and to screen viewing angle, key problems such as influence such as screen gain.Above-mentioned patented invention person has proposed good idea for utilizing optical fiber to solve the elimination piece and making the flat square TV, for the present invention very big enlightenment effect is arranged.
Summary of the invention
The object of the present invention is to provide a kind of leaded light image amplification screen, utilize the leaded light principle of optical fiber, be intended to illustrate a kind of performance of utilizing the flexible leaded light of optical fiber, realized eliminating the effect of video image splicing physics piece and optics piece.
Each pixel light source light wire harness that principle of the present invention is an entire image is through having continuous fiber optic conduction of arranging behind the corresponding micro mirror of each optical fiber, the pixel light wire harness is converted into the pixel light source once more through behind the lenticule, and the pixel light source is dispersed and merged at the micromirror layer front end and forms image.
The present invention is by front end photic zone, fiber optic conduction layer, micromirror layer and four layers of compound composition of rear end photic zone, wherein microlens layer is the amplifying lens of image, micromirror layer is attached directly to the optical fiber head top, the fibre diameter of fiber optic conduction layer can be even footpath also can be the thickness reducing, rear end (imaging surface) photic zone can add melanin and anti-dazzle surface to increase Display Contrast and to prevent screen reflecting.
The ultimate principle that the present invention is used for the seamless spliced field of video is to utilize the leaded light performance of optical fiber, the pixel light shafts of screen picture or projector's image are passed through fiber optic conduction, the image slices vegetarian refreshments is transferred to the bigger other end of sectional area from the little end of sectional area, the pixel light wire harness is by the amplification of micro mirror, the big other end of sectional area be formed with certain angle of divergence, amplify with incident light wire harness pixel light source one to one, the pixel light source is dispersed behind the photic zone of rear end and is merged the even enlarged image of formation.In design can be according to the size of not having framing mask around the screen, be designed to have the prismatoid of 5~100mm thickness, formation can be used for being connected with screen back splicing framework and don't influence that image transmits, wide, the high size of imaging surface enlarged image is greater than wide, the high size 0~5mm of sensitive surface, be the leaded light amplification imaging screen of prismatoid on thickness direction, thereby reach the purpose of eliminating the screen splicing slit.
When the present invention requires the heap of optical fiber, the adjacent fiber position of each root optical fiber of leaded light image amplification screen front end and this optical fiber are duplicate in the adjacent fiber position and the front end adjacent position of screen rear end correspondence, and the neighbouring relations of the optical fiber of front-end and back-end are duplicate one-to-one relationships.Sensitive surface adopts the dense accumulation mode, and the accumulation of optical fiber is tight more, and screen is subjected to the rate of leading of light high more, and light loss is few more, and Fig. 1 is the arrangement or the heap mode of screen optical fiber under the highest printing opacity situation, and Fig. 2 is intensive disorderly row's optical fiber arrangements mode; Fig. 3 is the optical fiber arrangements mode that is arranged in parallel.
Fig. 4 is optical fiber and the optical fiber accumulation situation of micro mirror surface of contact when selecting even footpath optical fiber for use in the imaging surface.
After the optical fiber of certain-length is heaped or is arranged in screen shape, for ease of processing, adhesion between the optical fiber can be adopted the way of optical fiber film material fusing back moulding by casting, also can adopt refractive index to be lower than the fiber optic materials refractive index and carries out adhesion for the glue class that optical fiber film material does not have a damage.Can select for use glass optical fiber also can select plastic optical fiber for use according to the difference of optical fiber material, when manufacturing 84~100 inches screens, fibre diameter can be selected the optical fiber of 0.1~0.8 mm dia for use, when the screen of making 120~200 inches, fibre diameter can be selected the optical fiber of 0.1~0.1.5 mm dia for use, when the screen of manufacturing below 50~84 inches, should adopt the optical fiber of diameter 0.1~0.5 mm dia for the exquisiteness of the image that ensures screen.
The plane of incidence of leaded light image amplification screen promptly must put down with the surface of contact optical fiber head of video source, thoroughly, neatly, to reduce reflection of incident light, improve transmittance.Leaded light image amplification screen is the big ladder type body structure in the little rear end of front end, imaging surface fiber stack mode set is the heap mode of dispersing shown in Figure 2, optical fiber evenly scatters in the rear end of leaded light screen, and be to guarantee the visual angle of leaded light screen and the brightness uniformity of screen, optical fiber is microbend in the centre of leaded light screen, wherein optical fiber is in the sensitive surface part of leaded light screen front end, and optical fiber is that to be parallel to incident light euphotic perpendicular to front end; There inwardly have the optical fiber of 0.1~2.5mm to be perpendicular to the rear end at the rear end of leaded light image amplification screen photic zone by the surface to be euphotic.Screen construction as shown in Figure 5.
The optical fiber of leaded light screen can adopt one the thin one pluckings optical fiber that also can adopt of even warp to conduct carrier as pixel.When adopting even footpath and reducing optical fiber as pixel conduction carrier, micro mirror is distinguishing with combining of optical fiber, adopts and spares when optical fiber conducts carrier as pixel, and the micro mirror diameter is greater than fibre diameter, as shown in Figure 6.
When adopting one thin one pluckings optical fiber as pixel conduction carrier, the micro mirror diameter equals the diameter of optical fiber butt end, as shown in Figure 7.
The invention has the advantages that thoroughly eliminate the physics piece, the continuity of image, integrality and viewing effect are good.
Description of drawings
Fig. 1 is one of accumulation mode of leaded light image amplification screen front end sensitive surface optical fiber of the present invention.
Fig. 2 is one of accumulation mode of leaded light image amplification screen front end sensitive surface optical fiber of the present invention.
Fig. 3 is one of accumulation mode of leaded light image amplification screen front end sensitive surface optical fiber of the present invention.
The accumulation mode of Fig. 4 even footpath optical fiber for leaded light image amplification screen image imaging face of the present invention adopts.
Fig. 5 is leaded light image amplification screen partial structurtes figure of the present invention.Front end photic zone 1, fiber optic conduction layer 2, micromirror layer 3, rear end photic zone 4.
Fig. 6 is the even footpath optical fiber structure of band micro mirror of the present invention.
Fig. 7 is the reducing optical fiber structure of band micro mirror of the present invention.
Concrete real-time mode
Embodiment 1: produce one thin one pluckings change mirror optical fiber by Fig. 7, fiber lengths 30~200mm, sensitive surface adopt the dense accumulation mode pile up and by the physical dimension banding of sensitive surface light source irradiation, be stained with and connect, after sensitive surface cutting, polishing, polishing, pasting the front end photic zone, form sensitive surface.Form the leaded light screen behind bonding front end photic zone and the rear end photic zone.
Embodiment 2: the even footpath optical fiber of producing the band micro mirror by Fig. 6, fiber lengths 30~200mm, sensitive surface adopt the dense accumulation mode pile up and by the physical dimension banding of sensitive surface light source irradiation, be stained with and connect, after sensitive surface cutting, polishing, polishing, pasting the front end photic zone, form sensitive surface.Form the leaded light screen behind bonding front end photic zone and the rear end photic zone.
Embodiment 3: optical fiber is stained with on the rear end photic zone that is connected on the band micro mirror, with the optical fiber of sensitive surface by the physical dimension banding of sensitive surface light source irradiation, be stained with and connect, to sensitive surface cutting, polishing, polishing, paste and form different light image behind the front end photic zone and amplify screen.

Claims (6)

1. leaded light image amplification screen, it is characterized in that, by front end photic zone, fiber optic conduction layer, micromirror layer and four layers of compound composition of rear end photic zone, wherein microlens layer is the amplifying lens of image, micromirror layer is attached directly to the optical fiber head top, and the fibre diameter of fiber optic conduction layer is to spare footpath or thickness reducing; According to the size of not having framing mask around the screen, be designed to have the prismatoid of 5~100mm thickness, be formed for being connected and don't influence that image transmits with screen back splicing framework, wide, the high size of imaging surface enlarged image is greater than wide, the high size 0~5mm of sensitive surface, be the leaded light amplification imaging screen of prismatoid on thickness direction, reach and eliminate the screen splicing slit.
2. as the leaded light image amplification screen under the claim 1, it is characterized in that the rear end photic zone adds melanin and anti-dazzle surface, to increase Display Contrast and to prevent screen reflecting.
3. as the leaded light image amplification screen under the claim 1, it is characterized in that, when optical fiber arrangements or heap, the adjacent fiber position of each root optical fiber of leaded light image amplification screen front end and this optical fiber are duplicate in the adjacent fiber position and the front end adjacent position of screen rear end correspondence, and the neighbouring relations of the optical fiber of front-end and back-end are duplicate one-to-one relationships.
4. as the leaded light image amplification screen under the claim 3, it is characterized in that, after optical fiber was heaped or is arranged in screen shape, the adhesion between the optical fiber was adopted optical fiber film material fusing back moulding by casting or is adopted refractive index to be lower than the fiber optic materials refractive index and carry out adhesion for the glue class that optical fiber film material does not have a damage; According to the difference of optical fiber material, select glass optical fiber or plastic optical fiber for use.
5. as the leaded light image amplification screen under the claim 3, it is characterized in that, when manufacturing 84~100 inches screens, fibre diameter can be selected the optical fiber of 0.1~0.8 mm dia for use, when the screen of making 120~200 inches, fibre diameter can be selected the optical fiber of 0.1~0.1.5 mm dia for use, when the screen of manufacturing below 50~84 inches, should adopt the optical fiber of diameter 0.1~0.5 mm dia for the exquisiteness of the image that ensures screen.
6. as the leaded light image amplification screen under claim 1 or 3, it is characterized in that when manufacturing the leaded light image amplification screen of eliminating the large-screen splicing slit, the surface of contact optical fiber head of the plane of incidence must put down, thoroughly, neatly, to reduce reflection of incident light, improve transmittance; The arrangement of optical fiber or heap mode adopt dense arrangement or heap mode at sensitive surface, the light-conductive optic fibre image amplification screen is the big ladder type body structure in the little rear end of front end, the arrangement of imaging surface optical fiber or heap mode are the heap mode of dispersing, optical fiber evenly scatters in the rear end of leaded light screen, optical fiber is microbend in the centre of leaded light screen, wherein optical fiber is in the sensitive surface part of leaded light screen front end, and optical fiber is that to be parallel to incident light euphotic perpendicular to front end; There inwardly have the optical fiber of 0.1~2.5mm to be perpendicular to the rear end at the rear end of leaded light image amplification screen photic zone by the surface to be euphotic.
CNB2007101764031A 2007-10-26 2007-10-26 Leaded light image amplification screen Expired - Fee Related CN100570418C (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102270411A (en) * 2011-01-17 2011-12-07 深圳市保千里电子有限公司 Seamless splicing display screen device and seamless spicing method thereof
CN102610168A (en) * 2011-01-20 2012-07-25 瀚宇彩晶股份有限公司 Flat panel display
CN104297981A (en) * 2014-10-31 2015-01-21 京东方科技集团股份有限公司 Display device and working method thereof
CN104424864A (en) * 2013-08-28 2015-03-18 鸿富锦精密工业(深圳)有限公司 Display and television wall
CN105278034A (en) * 2015-09-28 2016-01-27 北京方瑞博石数字技术有限公司 Inner spherical image amplification image guiding screen
CN105869526A (en) * 2016-06-25 2016-08-17 北京方瑞博石数字技术有限公司 Optical fiber and glass combined image magnification type image guide screen
CN105898167A (en) * 2016-06-25 2016-08-24 北京沃富瑞德文化传媒有限公司 Television with three-dimensional relief image as display surface
CN105894971A (en) * 2016-06-25 2016-08-24 北京方瑞博石数字技术有限公司 Large internal-sphere display screen with arc angle being not less than 180 degrees
CN105894974A (en) * 2016-06-25 2016-08-24 北京方瑞博石数字技术有限公司 Safe display screen capable of preventing light leakage
CN106057086A (en) * 2016-06-25 2016-10-26 北京方瑞博石数字技术有限公司 Guiding image screen with three-dimensional embossment as display surface
CN106125377A (en) * 2016-06-25 2016-11-16 北京方瑞博石数字技术有限公司 Eliminate display screen black surround and the compound glass of the black seam of mosaic screen optic splice
CN106128317A (en) * 2016-06-25 2016-11-16 北京方瑞博石数字技术有限公司 Anti-dazzle, anti-Moire fringe, the high-contrast LED display of anti-flicker
CN106443877A (en) * 2016-12-11 2017-02-22 北京方瑞博石数字技术有限公司 Optical fiber image guide screen without vision gap feeling after splicing
CN106486029A (en) * 2016-12-11 2017-03-08 北京方瑞博石数字技术有限公司 A kind of glass lens of encapsulation LED is the LED of optical fiber
CN106782100A (en) * 2016-12-11 2017-05-31 北京方瑞博石数字技术有限公司 A kind of optical fiber being made up of hexagonal fiber is led as screen
CN105158845B (en) * 2015-09-28 2018-07-03 北京方瑞博石数字技术有限公司 It is a kind of to be led to what display picture element was divided again as screen
CN108335636A (en) * 2018-03-19 2018-07-27 蒋翔东 The rimless splicing display device of optics
CN109345962A (en) * 2018-11-27 2019-02-15 赵钰瀚 A kind of optical fiber light-guiding large-screen device
CN109491007A (en) * 2019-01-02 2019-03-19 京东方科技集团股份有限公司 A kind of light guide structure, display device and application method
CN110579837A (en) * 2015-07-10 2019-12-17 黄得锋 Single-beam image-transmitting optical fiber and application thereof
CN113489871A (en) * 2021-07-05 2021-10-08 维沃移动通信有限公司 Photosensitive chip assembly, preparation method thereof, camera module and electronic equipment
CN116951345A (en) * 2023-06-07 2023-10-27 东莞市谷麦光学科技有限公司 Light homogenizing sheet and backlight module

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102270411B (en) * 2011-01-17 2012-07-18 深圳市保千里电子有限公司 Seamless splicing display screen device and seamless spicing method thereof
CN102270411A (en) * 2011-01-17 2011-12-07 深圳市保千里电子有限公司 Seamless splicing display screen device and seamless spicing method thereof
CN102610168A (en) * 2011-01-20 2012-07-25 瀚宇彩晶股份有限公司 Flat panel display
CN104424864A (en) * 2013-08-28 2015-03-18 鸿富锦精密工业(深圳)有限公司 Display and television wall
CN104297981A (en) * 2014-10-31 2015-01-21 京东方科技集团股份有限公司 Display device and working method thereof
CN104297981B (en) * 2014-10-31 2017-03-15 京东方科技集团股份有限公司 A kind of display device and its method of work
CN110579837A (en) * 2015-07-10 2019-12-17 黄得锋 Single-beam image-transmitting optical fiber and application thereof
CN105278034A (en) * 2015-09-28 2016-01-27 北京方瑞博石数字技术有限公司 Inner spherical image amplification image guiding screen
CN105158845B (en) * 2015-09-28 2018-07-03 北京方瑞博石数字技术有限公司 It is a kind of to be led to what display picture element was divided again as screen
CN105894971A (en) * 2016-06-25 2016-08-24 北京方瑞博石数字技术有限公司 Large internal-sphere display screen with arc angle being not less than 180 degrees
CN105894974A (en) * 2016-06-25 2016-08-24 北京方瑞博石数字技术有限公司 Safe display screen capable of preventing light leakage
CN106057086A (en) * 2016-06-25 2016-10-26 北京方瑞博石数字技术有限公司 Guiding image screen with three-dimensional embossment as display surface
CN106125377A (en) * 2016-06-25 2016-11-16 北京方瑞博石数字技术有限公司 Eliminate display screen black surround and the compound glass of the black seam of mosaic screen optic splice
CN106128317A (en) * 2016-06-25 2016-11-16 北京方瑞博石数字技术有限公司 Anti-dazzle, anti-Moire fringe, the high-contrast LED display of anti-flicker
CN105898167A (en) * 2016-06-25 2016-08-24 北京沃富瑞德文化传媒有限公司 Television with three-dimensional relief image as display surface
CN105869526A (en) * 2016-06-25 2016-08-17 北京方瑞博石数字技术有限公司 Optical fiber and glass combined image magnification type image guide screen
CN106057086B (en) * 2016-06-25 2018-10-23 北京方瑞博石数字技术有限公司 A kind of display surface is that plastic relief is led as screen
CN105898167B (en) * 2016-06-25 2019-07-09 北京沃富瑞德文化传播有限公司 A kind of display surface is the TV of plastic relief picture
CN106125377B (en) * 2016-06-25 2019-06-04 北京方瑞博石数字技术有限公司 Eliminate the compound glass of display screen black surround and the black seam of mosaic screen optic splice
CN105894971B (en) * 2016-06-25 2018-10-23 北京方瑞博石数字技术有限公司 A kind of arc angle is not more than the Internal Spherical Surface display large-size screen monitors of 180 degree
CN106486029A (en) * 2016-12-11 2017-03-08 北京方瑞博石数字技术有限公司 A kind of glass lens of encapsulation LED is the LED of optical fiber
CN106782100A (en) * 2016-12-11 2017-05-31 北京方瑞博石数字技术有限公司 A kind of optical fiber being made up of hexagonal fiber is led as screen
CN106443877A (en) * 2016-12-11 2017-02-22 北京方瑞博石数字技术有限公司 Optical fiber image guide screen without vision gap feeling after splicing
CN108335636A (en) * 2018-03-19 2018-07-27 蒋翔东 The rimless splicing display device of optics
CN108335636B (en) * 2018-03-19 2023-12-08 蒋翔东 Optical frameless spliced display device
CN109345962A (en) * 2018-11-27 2019-02-15 赵钰瀚 A kind of optical fiber light-guiding large-screen device
CN109491007A (en) * 2019-01-02 2019-03-19 京东方科技集团股份有限公司 A kind of light guide structure, display device and application method
US10901144B2 (en) 2019-01-02 2021-01-26 Chengdu Boe Optoelectronics Technology Co., Ltd. Light guiding structure, display device and method of using the same
CN109491007B (en) * 2019-01-02 2021-09-21 京东方科技集团股份有限公司 Light guide structure, display device and use method
CN113489871A (en) * 2021-07-05 2021-10-08 维沃移动通信有限公司 Photosensitive chip assembly, preparation method thereof, camera module and electronic equipment
CN116951345A (en) * 2023-06-07 2023-10-27 东莞市谷麦光学科技有限公司 Light homogenizing sheet and backlight module

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Granted publication date: 20091216