CN106918865A - Guiding device and its projector equipment of application - Google Patents

Guiding device and its projector equipment of application Download PDF

Info

Publication number
CN106918865A
CN106918865A CN201510995855.7A CN201510995855A CN106918865A CN 106918865 A CN106918865 A CN 106918865A CN 201510995855 A CN201510995855 A CN 201510995855A CN 106918865 A CN106918865 A CN 106918865A
Authority
CN
China
Prior art keywords
tube
light guide
envelope
guiding device
diffusion sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510995855.7A
Other languages
Chinese (zh)
Inventor
林明德
徐尉彬
叶文彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Seemile Laser Display Technology Co Ltd
Original Assignee
Wuxi Seemile Laser Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Seemile Laser Display Technology Co Ltd filed Critical Wuxi Seemile Laser Display Technology Co Ltd
Priority to CN201510995855.7A priority Critical patent/CN106918865A/en
Publication of CN106918865A publication Critical patent/CN106918865A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0095Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0025Diffusing sheet or layer; Prismatic sheet or layer
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The guiding device of the present patent application and its projector equipment of application, the guiding device include:Tube-like envelope, including open end;Guide-lighting chamber, is formed in the tube chamber of the tube-like envelope, the light guide opening with the neighbouring open end;Wherein, the receiving portion for being embedded diffusion sheet is formed between the open end and light guide opening, and the tube-like envelope is provided with the stop configurations outside the exterior surface of the diffusion sheet at the open end, with least spacing diffusion sheet in described accommodation section;Diffusion sheet and guiding device are combined into one by the present patent application, simplify structure, and are applied to projector equipment, are not lost outside the efficiency of blue light paths, and the diffusion angle that can also simply adjust diffusion sheet goes to control the hot spot situation of blue picture.

Description

Guiding device and its projector equipment of application
Technical field
Present patent application is related to optical technical field, the more particularly to projector equipment of guiding device and its application.
Background technology
Current projector is nothing more than three kinds of light sources:1. mercury lamp 2.LED 3. is radium-shine, radium-shine projector be belonging at present compared with It is novel technology, this light source technology produces the light of different colours to be divided into two parts:
The mode that 1.YRG colors are produced is then that many radium-shine arrays of blue light are put light focusing by lens group glimmering On halo (Y be chromaticity coordinates in one), through the YRG different colours above fluorescent wheel fluorescent material with physical characteristic lambert's body (Lambertian) after reflecting, then by lens group and colour wheel, light is focused on the porch of photoconductive tube again.
The mode that 2.B (indigo plant) color is produced is then that many radium-shine arrays of blue light are put and pass through fluorescent wheel by lens group, Light path reflexed light echo conduit from behind fluorescent wheel.
Help to reduce the hot spot of blue picture because this light source design must increase diffusion sheet in blue light paths, but Therefore can serious influence blue light efficiency, cause projected picture to have partially yellow situation, to correct this situation then need it is sacrificial The brightness of domestic animal projector goes to coordinate the brightness ratio of RGB.
The content of the invention
The shortcoming of prior art in view of the above, the purpose of present patent application is to provide a kind of guiding device and its should Projector equipment, guiding device and diffusion sheet are combined in structure, and for solving, projector equipment need to be in indigo plant in the prior art Diffusion sheet but can be long and influence the problem of blue light efficiency due to reaching the light path of its set location is set in light light path.
To achieve the above object and other related purposes, present patent application provides a kind of guiding device, including:Outside tubulose Shell, including open end;Guide-lighting chamber, is formed in the tube chamber of the tube-like envelope, the light guide opening with the neighbouring open end;Its In, the receiving portion for being embedded diffusion sheet is formed between the open end and light guide opening, and the tube-like envelope is in the open end Place is provided with the stop configurations outside the exterior surface of the diffusion sheet, with least spacing diffusion sheet in described accommodation section In.
In an embodiment of present patent application, the tube-like envelope is with the polyhedron-shaped of multiple connected side walls.
In an embodiment of present patent application, the guide-lighting chamber is each by being fixed at the tube-like envelope correspondingly The light guide sheet of individual side wall inner surfaces is surrounded;Each light guide sheet includes the specific light guide sheet of two panels being oppositely arranged;The two panels is specific End of the light guide sheet at the light guide opening, deeper into the tube chamber, is used for compared with its other neighbouring light guide sheet end with being formed A pair of grooves of the diffusion sheet are embedded as described accommodation section.
In an embodiment of present patent application, the stop configurations include:At least one pair of block piece, from being fixed with the spy The a pair of sidewalls for determining light guide sheet is extended to outside the outer surface of the diffusion sheet.
In an embodiment of present patent application, the tube-like envelope also includes:Described other leaded lights are fixed with from each The side wall of piece extends to multiple block pieces of each other light guide sheet end exterior surfaces.
In an embodiment of present patent application, the tube-like envelope is the rectangular shape surrounded by four side walls, its Section is rectangle.
In an embodiment of present patent application, the tube-like envelope is cylindrical shape.
In an embodiment of present patent application, the light guide sheet is fixed on table in the tube-like envelope by bonding mode Face.
To achieve the above object and other related purposes, present patent application provides a kind of projector equipment, including described leads Electro-optical device.
In an embodiment of present patent application, the photoconductive tube of the projector equipment is realized by the guiding device.
As described above, the guiding device of present patent application and its projector equipment of application, the guiding device includes:Tubulose Shell, including open end;Guide-lighting chamber, is formed in the tube chamber of the tube-like envelope, the light guide opening with the neighbouring open end; Wherein, the receiving portion for being embedded diffusion sheet is formed between the open end and light guide opening, and the tube-like envelope is in the opening The stop configurations outside the exterior surface of the diffusion sheet are provided with end, with least spacing diffusion sheet in described accommodation section In;Diffusion sheet and guiding device are combined into one by present patent application, simplify structure, and are applied to projector equipment, and blue light is not lost Outside the efficiency of light path, the diffusion angle that can also simply adjust diffusion sheet goes to control the hot spot situation of blue picture.
Brief description of the drawings
Fig. 1 a to 1d are shown as the structural representation of guiding device of the present patent application in an embodiment.
Fig. 2 a to 2d are shown as the structural representation of guiding device of the present patent application in another embodiment.
Component label instructions
1,2 guiding device
11,21 tube-like envelopes
111,211 open ends
112,212 first block pieces
113,213 second block pieces
12,22 light guide sheets
13,23 diffusion sheets
14 light guide openings
Specific embodiment
The implementation method of present patent application is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands the further advantage and effect of present patent application easily.
Refer to Fig. 1 a~1d to Fig. 2 a~2d.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings Deng, only it is used to coordinate the content disclosed in specification, so that those skilled in the art understands and reads, it is not limited to Enforceable qualifications of present patent application, therefore do not have technical essential meaning, the modification of any structure, proportionate relationship change Become or size adjustment, in the effect for not influenceing present patent application can be generated and under the purpose to be reached, all should still fall In the range of technology contents disclosed in present patent application are obtained and can covered.Meanwhile, in this specification it is cited as " on ", The term of D score, "left", "right", " centre " and " one " etc., is merely convenient to understanding for narration, and is not used to limit this patent Shen Please enforceable scope, its relativeness is altered or modified, under without essence change technology contents, when being also considered as this patent Shen Please enforceable category.
Embodiment 1:
In an embodiment of present patent application, as shown in Figure 1a, the overall structure of the guiding device 1 is shown, including: Tube-like envelope 11, light guide sheet 12 and diffusion sheet 13 etc..
Wherein, the tube-like envelope 11 of the guiding device 1, the tube-like envelope 11 can have multiple connected side wall structures Into polyhedron, such as section for triangle polyhedron or rectangular cross-section as depicted cuboid, or more side (four sides, five faces, six faces etc.) three-dimensional shape etc. all can, be not limited with the present embodiment;The tube-like envelope 11 is preferably gold Category material, such as steel, iron etc..
The tube-like envelope 11 has an at least open end 111, and in Fig. 1 a, the one end for being left side in figure is open end 111, but its opposite side also can be open end, can for example be used to be put into optical component or for leaded light etc..
Formed in the tube-like envelope 11 in tube chamber, the tube chamber and form guide-lighting chamber;And in order to form guide-lighting chamber, then need Light guide member is set in tube chamber;Also referring to shown in Fig. 1 b, in an embodiment of present patent application, in the tube chamber Light guide sheet 12 is set to surround the guide-lighting chamber, the light guide sheet 12 is, for example, glass material or other guide-lighting materials;In figure, institute State that guide-lighting chamber is adjacent with the open end 111 and one end for connecting is for light guide opening 14 (can be light inlet or light-emitting window, and right Should, its relative other end is light-emitting window or light inlet), it is formed between the open end 111 and light guide opening 14 for being embedded expansion The receiving portion of discrete piece.
Specifically, as illustrated, the tube-like envelope 11 is cuboid, therefore it has four side walls, then the leaded light Piece 12 also has four, and one-to-one corresponding is fixed on the inner surface of each side wall, and the fixed form is preferably bonding mode, certainly In other embodiments, also may be, for example, the modes such as engaging, screw lock, can all be changed according to the actual requirements;Wherein, have relative End of a pair specific light guide sheets 12 (i.e. upper and lower two panels) at the light guide opening 14 position deeper into tube chamber, and other The end position of light guide sheet 12 (left and right two panels) is more outward set, so as to form two grooves of longitudinal arrangement, for being embedded The neighbouring position of the upper/lower terminal of the diffusion sheet 13 of rectangle as illustrated in figure 1 c, it is preferred that in the present embodiment, the groove Width it is corresponding with the width of diffusion sheet 13, after diffusion sheet 13 is inserted, with the institute of diffusion sheet 13 planar to the expansion Discrete piece 13 is positioned.
Also, the tube-like envelope 11 is provided with outside the exterior surface of the diffusion sheet 13 at the open end 111 Stop configurations, with least spacing diffusion sheet 13 in described accommodation section, specifically, as shown in Fig. 1 a and Fig. 1 d, Fig. 1 d It is the structural representation of the front viewing angle of open end 14 of Fig. 1 a, the stop configurations include:At least one pair of first block piece 112, from The a pair of sidewalls for being fixed with the specific light guide sheet 12 is extended to outside the outer surface of the diffusion sheet 13;In the present embodiment In, the pair of first block piece 112 be from the upper and lower side wall of tube-like envelope 11 to the end face of open end in extend, so as to keep off The outer surface of the diffusion sheet 13 (i.e. with its towards receiving portion one side opposite face) opposite sides so that diffusion sheet 13 is limited It is fixed in described accommodation section, meanwhile, a pair first block pieces 112 also in specific light guide sheet from described open simultaneously by gear Put on the route that end drops out.
Certainly, in other embodiments, the stop configurations can also be changed according to the actual requirements, it is only necessary to can spacing institute Diffusion sheet is stated, is not limited with the present embodiment.
It is preferred that but it is nonessential, as shown in Fig. 1 a and 1d, in order to prevent other light guide sheets 12 may be from the open end 111 drop out, then from each side wall for being fixed with other light guide sheets 12 (being left and right two panels in the present embodiment) extend to it is each its Multiple second block pieces 113 of the exterior surface (i.e. towards the surface of open end) of its end of light guide sheet 12, it is preferred that it is described other Light guide sheet 12 can be resisted against on second block piece 113, to reduce its mobilizable space.
In the above-described embodiments, it is the tube-like envelope with tube-like envelope integrally that each block piece 112 and 113 can be The convex portion that side wall wall (preferably wall edge) is extended.
Embodiment 2:
As shown in Fig. 2 a to 2d, the guiding device 2 in this implementation is essentially consisted in the difference of a upper embodiment, the expansion The setting direction (or its shape) of discrete piece 23 changes, and in embodiment 1, the diffusion sheet 13 of rectangle both sides wide are upper and lower Position, both sides long are in left and right position, and in the present embodiment, and the both sides of the length of diffusion sheet 23 of rectangle are wide in upper and lower position Both sides in left and right position, in order to realize conveniently, equally by light guide sheet (arranged on left and right sides) work of the both sides wide of diffusion sheet 23 For specific light guide sheet 22, its end depth is big compared with other light guide sheets 22 (upper and lower both sides), so as to be correspondingly formed groove, with chimeric The position of the arranged on left and right sides of diffusion sheet 23, and the tube-like envelope 21 in the present embodiment can continue to use the tube-like envelope 11 of embodiment 1, Need not re-mold, it is cost-effective;In the present embodiment, compared to embodiment 1, first block piece 212 in the present embodiment Effect with the second block piece 213 is exchanged, and the first block piece 212 is for other light guide sheets 22 of block, and second block piece 213 For spacing diffusion sheet 23.
The structure of the above example guiding device of present patent application by way of example only, it is impossible to exhaustive all of knot Structure, those skilled in the art should be changed according to the teaching of above-described embodiment, such as in other embodiments, described Tube-like envelope is external except the multiaspect in previous embodiment, can also be cylindrical shape, then each light guide sheet can be that can surround cylinder The arc of shape, and relative recessed in two positions can be formed with principle similar to the aforementioned embodiment in the cylindrical ends for surrounding Groove, and be used to be fitted together to the diffusion sheet, in order that diffusion sheet is positioned, the diffusion sheet can be shape adjacent to the two ends of light guide sheet The arc of shape matching, so as to complete to combine;And then diffusion sheet or gear are positioned by each block piece that tube-like envelope extends internally Only light guide sheet is dropped out, and explanation is no longer launched one by one.
Need to further illustrate, present patent application is provided and may also provide projector equipment, preferably radium-shine projector equipment, bag Described guiding device is included, the projector equipment may include:DLP projector etc., the photoconductive tube of the projector equipment front end passes through The guiding device realization, because light path is shorter, is not lost the efficiency of blue light paths not only, can also simply adjust diffusion sheet Diffusion angle go control blue picture hot spot (Speckle) situation.
In sum, the guiding device of present patent application and its projector equipment of application, the guiding device include:Tubulose Shell, including open end;Guide-lighting chamber, is formed in the tube chamber of the tube-like envelope, the light guide opening with the neighbouring open end; Wherein, the receiving portion for being embedded diffusion sheet is formed between the open end and light guide opening, and the tube-like envelope is in the opening The stop configurations outside the exterior surface of the diffusion sheet are provided with end, with least spacing diffusion sheet in described accommodation section In;Diffusion sheet and guiding device are combined into one by present patent application, simplify structure, and are applied to projector equipment, and blue light is not lost Outside the efficiency of light path, the diffusion angle that can also simply adjust diffusion sheet goes to control the hot spot situation of blue picture.
Present patent application effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle and its effect of above-described embodiment only illustrative present patent application, not for limitation this patent Shen Please.Any person skilled in the art can all be carried out under without prejudice to the spirit and scope of present patent application to above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in present patent application All equivalent modifications completed under god and technological thought or change, should be covered by the claim of present patent application.

Claims (10)

1. a kind of guiding device, it is characterised in that including:
Tube-like envelope, including open end;
Guide-lighting chamber, is formed in the tube chamber of the tube-like envelope, the light guide opening with the neighbouring open end;
Wherein, the receiving portion for being embedded diffusion sheet is formed between the open end and light guide opening, and the tube-like envelope is described The stop configurations outside the exterior surface of the diffusion sheet are provided with open end, with least spacing diffusion sheet in the appearance Receive in portion.
2. guiding device according to claim 1, it is characterised in that the tube-like envelope is with multiple connected side walls It is polyhedron-shaped.
3. guiding device according to claim 2, it is characterised in that the guide-lighting chamber by being fixed at institute correspondingly The light guide sheet for stating tube-like envelope each side wall inner surfaces is surrounded;
Each light guide sheet includes the specific light guide sheet of two panels being oppositely arranged;End of the specific light guide sheet of two panels at the light guide opening Portion, deeper into the tube chamber, is used to be embedded a pair of grooves of the diffusion sheet compared with its other neighbouring light guide sheet end with formation As described accommodation section.
4. guiding device according to claim 3, it is characterised in that the stop configurations include:At least one pair of block piece, from The a pair of sidewalls for being fixed with the specific light guide sheet is extended to outside the outer surface of the diffusion sheet.
5. guiding device according to claim 3, it is characterised in that the tube-like envelope also includes:It is fixed with from each The side wall of other light guide sheets extends to multiple block pieces of each other light guide sheet end exterior surfaces.
6. the guiding device according to any one of claim 2 to 5, it is characterised in that the tube-like envelope is by four The rectangular shape that side wall is surrounded, its section is rectangle.
7. guiding device according to claim 1, it is characterised in that the tube-like envelope is cylindrical shape.
8. guiding device according to claim 1, it is characterised in that the light guide sheet is fixed on described by bonding mode Tube-like envelope inner surface.
9. a kind of projector equipment, it is characterised in that including the guiding device as any one of claim 1 to 8.
10. projector equipment according to claim 9, it is characterised in that the photoconductive tube of the projector equipment is led by described Electro-optical device is realized.
CN201510995855.7A 2015-12-28 2015-12-28 Guiding device and its projector equipment of application Pending CN106918865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510995855.7A CN106918865A (en) 2015-12-28 2015-12-28 Guiding device and its projector equipment of application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510995855.7A CN106918865A (en) 2015-12-28 2015-12-28 Guiding device and its projector equipment of application

Publications (1)

Publication Number Publication Date
CN106918865A true CN106918865A (en) 2017-07-04

Family

ID=59454835

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510995855.7A Pending CN106918865A (en) 2015-12-28 2015-12-28 Guiding device and its projector equipment of application

Country Status (1)

Country Link
CN (1) CN106918865A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019041305A1 (en) * 2017-09-01 2019-03-07 Materion Precision Optics (Shanghai) Limited Light tunnels and methods for making same

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2586989Y (en) * 2002-12-04 2003-11-19 益进光电科技股份有限公司 Light channel structure
CN2602397Y (en) * 2002-05-14 2004-02-04 邵剑心 Optical engine for single chip projection system
TWM245425U (en) * 2003-04-11 2004-10-01 Delta Electronics Inc Light-uniformed device and optical apparatus with light-uniformed device
TWI235875B (en) * 2004-06-08 2005-07-11 Delta Electronics Inc Projection system and its light tunnel
TW200527065A (en) * 2004-02-12 2005-08-16 Prodisc Technology Inc Light tunnel
CN1851553A (en) * 2005-04-22 2006-10-25 台达电子工业股份有限公司 Light channel device
CN2891006Y (en) * 2006-01-20 2007-04-18 上海飞锐光电科技有限公司 Light equalizer and optical engine lighting system with the same
KR20080039581A (en) * 2006-11-01 2008-05-07 엘지전자 주식회사 Projectile optical device of using light unified tunnel
CN101206279A (en) * 2006-12-22 2008-06-25 精碟科技股份有限公司 Projection system and light pipe thereof
CN201293245Y (en) * 2008-10-10 2009-08-19 红蝶科技(深圳)有限公司 Three primary color LED light source device and liquid crystal projector equipment using the device
CN101706084A (en) * 2009-11-05 2010-05-12 苏州佳世达光电有限公司 Light guide pipe and projection device using same
CN101725916A (en) * 2008-10-10 2010-06-09 红蝶科技(深圳)有限公司 Three-primary color LED light source device and liquid crystal projection equipmentusing same
CN101981493A (en) * 2008-03-28 2011-02-23 Nec显示器解决方案株式会社 Projection image display unit
CN103135324A (en) * 2011-11-22 2013-06-05 台达电子工业股份有限公司 Projection device
CN104049445A (en) * 2013-03-11 2014-09-17 深圳市绎立锐光科技开发有限公司 Light emitting device and a projection system
CN205374793U (en) * 2015-12-28 2016-07-06 无锡视美乐激光显示科技有限公司 Leaded light device and projection equipment who uses thereof
CN205910481U (en) * 2016-07-13 2017-01-25 深圳市绎立锐光科技开发有限公司 Light structures and projecting system
CN111240026A (en) * 2020-02-28 2020-06-05 史晓庆 Laser lighting device

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2602397Y (en) * 2002-05-14 2004-02-04 邵剑心 Optical engine for single chip projection system
CN2586989Y (en) * 2002-12-04 2003-11-19 益进光电科技股份有限公司 Light channel structure
TWM245425U (en) * 2003-04-11 2004-10-01 Delta Electronics Inc Light-uniformed device and optical apparatus with light-uniformed device
TW200527065A (en) * 2004-02-12 2005-08-16 Prodisc Technology Inc Light tunnel
TWI235875B (en) * 2004-06-08 2005-07-11 Delta Electronics Inc Projection system and its light tunnel
CN1851553A (en) * 2005-04-22 2006-10-25 台达电子工业股份有限公司 Light channel device
CN2891006Y (en) * 2006-01-20 2007-04-18 上海飞锐光电科技有限公司 Light equalizer and optical engine lighting system with the same
KR20080039581A (en) * 2006-11-01 2008-05-07 엘지전자 주식회사 Projectile optical device of using light unified tunnel
CN101206279A (en) * 2006-12-22 2008-06-25 精碟科技股份有限公司 Projection system and light pipe thereof
CN101981493A (en) * 2008-03-28 2011-02-23 Nec显示器解决方案株式会社 Projection image display unit
CN201293245Y (en) * 2008-10-10 2009-08-19 红蝶科技(深圳)有限公司 Three primary color LED light source device and liquid crystal projector equipment using the device
CN101725916A (en) * 2008-10-10 2010-06-09 红蝶科技(深圳)有限公司 Three-primary color LED light source device and liquid crystal projection equipmentusing same
CN101706084A (en) * 2009-11-05 2010-05-12 苏州佳世达光电有限公司 Light guide pipe and projection device using same
CN103135324A (en) * 2011-11-22 2013-06-05 台达电子工业股份有限公司 Projection device
CN104049445A (en) * 2013-03-11 2014-09-17 深圳市绎立锐光科技开发有限公司 Light emitting device and a projection system
CN205374793U (en) * 2015-12-28 2016-07-06 无锡视美乐激光显示科技有限公司 Leaded light device and projection equipment who uses thereof
CN205910481U (en) * 2016-07-13 2017-01-25 深圳市绎立锐光科技开发有限公司 Light structures and projecting system
CN111240026A (en) * 2020-02-28 2020-06-05 史晓庆 Laser lighting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019041305A1 (en) * 2017-09-01 2019-03-07 Materion Precision Optics (Shanghai) Limited Light tunnels and methods for making same
US10782605B2 (en) 2017-09-01 2020-09-22 Materion Precision Optics (Shanghai) Limited Light tunnels and methods for making same
JP2021192123A (en) * 2017-09-01 2021-12-16 マテリオン プレシジョン オプティクス (シャンハイ) リミテッド Optical tunnel and method for manufacturing the same
JP7140897B2 (en) 2017-09-01 2022-09-21 マテリオン プレシジョン オプティクス (シャンハイ) リミテッド Light tunnel and method of making it

Similar Documents

Publication Publication Date Title
US10101644B2 (en) Illumination system and projection apparatus
CN106371278B (en) It is two-way to excite colour wheel and its light-source system
JP2006236951A (en) Surface lighting system and liquid crystal display device equipped with it
CN204254511U (en) Fly's-eye lens device and relevant light-source system
CN103791455B (en) Side backlight module and preparation method thereof, display device
CN105044984A (en) Liquid crystal display device and backlight module thereof
CN104460109B (en) Display device
US9641829B2 (en) Image display apparatus
TW202022436A (en) Multiview display and method
CN205374793U (en) Leaded light device and projection equipment who uses thereof
CN106918865A (en) Guiding device and its projector equipment of application
CN104100876A (en) Light-emitting device and backlight module
JP6066810B2 (en) Surface light source device and liquid crystal display device
CN103557459B (en) The three-primary color LED lamp that light-emitting area is not identical
JP6000161B2 (en) Surface light source device and liquid crystal display device
JP2014164834A (en) Surface light source device and liquid crystal display device
JP4807981B2 (en) Image display device and projection optical system projector
CN103727455B (en) Light emitting module and display unit
CN204302523U (en) A kind of LCD backlight assembly
WO2014148099A1 (en) Light source device, display apparatus, and electronic apparatus
CN205353548U (en) Light source module and projection equipment
CN204477808U (en) Backlight source module and liquid crystal display module
WO2019123557A1 (en) Led display device and method for manufacturing same
JP2018113233A (en) Optical body
CN102402901B (en) Device for optimizing display effect of spliced screen

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170704