CN106886106A - A kind of ultrathin backlight module - Google Patents
A kind of ultrathin backlight module Download PDFInfo
- Publication number
- CN106886106A CN106886106A CN201710083819.2A CN201710083819A CN106886106A CN 106886106 A CN106886106 A CN 106886106A CN 201710083819 A CN201710083819 A CN 201710083819A CN 106886106 A CN106886106 A CN 106886106A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- light
- lens
- shape structure
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light 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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of ultrathin backlight module, for back light model setting technology field, including light guide plate and the light reflection structure for being located at the light guide plate bottom, at least one hole shape structure is offered on the light guide plate, light source assembly is provided with the hole shape structure, the internal face of the hole shape structure forms incidence surface, and the light source assembly includes light source and is embedded in the shape structure of hole and the light of light source can be sent into the lens in light guide plate through incidence surface.In the present invention, the light that light source is produced by being injected in light guide plate through the internal face of hole shape structure after lens adjusts path, then by being projected after the reflection of light guide plate and light reflection structure, to reach the effect of uniform area light source.Using hole shape structure is opened up on light guide plate in the present invention, light source assembly is accommodated, down straight aphototropism mode set thickness can be reduced while image quality is kept.
Description
Technical field
The present invention is used for back light model setting technology field, more particularly to a kind of ultrathin backlight module.
Background technology
LED-backlit LCD TV is because the life-span is high, colour gamut is wide, the low feature of energy consumption has turned into the main flow of TV.The current LED back ofs the body
Light mainly has 2 kinds of modes, and one kind is side entering type, and one kind is straight-down negative, and the two respectively has quality.
Side entrance back is that LED is arranged in the side of light guide plate, and the effect of face light is reached by the design of light guide plate,
Its advantage is frivolous, but its heat dissipation problem, local controlled optical issue etc. are always the problem of industry.
LED is just arranged in downward back the lower end of diffuser plate, and the effect for reaching face light is spread by the face of diffuser plate
Really, its advantage is LED-backlit can be divided into some cells and control the switch of unit lattice, is capable of achieving outstanding color
With comparison of light and shade effect.Deficiency is exactly that outward appearance cannot accomplish ultra-thin.
The thickness of down straight aphototropism mode set how is reduced while image quality is kept, and to have turned into direct-type backlight urgent
The problem for needing to solve, the solution of current industry mainly has 2 kinds：1 kind of lighting angle for being to improve secondary optical lens, 1
It is the quantity for increasing LED to plant.
But, certain thickness is occupied due to optical lens, while the bottleneck that matches between LED leads to not to carry on the back
The thickness of light is reduced to below 10mm.
The content of the invention
To solve the above problems, the present invention provides one kind and can reduce down straight aphototropism mode set while image quality is kept
The ultrathin backlight module of thickness.
The technical solution adopted for the present invention to solve the technical problems is：A kind of ultrathin backlight module, including light guide plate and
The light reflection structure of the light guide plate bottom is located at, at least one hole shape structure is offered on the light guide plate, in the hole shape
Light source assembly is provided with structure, the internal face of the hole shape structure forms incidence surface, and the light source assembly includes light source and inlays
In the shape structure of hole and can by the light of light source through incidence surface feeding light guide plate in lens.
Be further used as the improvement of technical solution of the present invention, the hole shape structure be opened in light guide plate bottom blind hole or
Through hole.
The improvement of technical solution of the present invention is further used as, multiple holes shape structure, each hole shape knot are set on the light guide plate
Structure is uniformly distributed on light guide plate.
The improvement of technical solution of the present invention is further used as, exiting surface, the light source group are formed on the top of the light guide plate
Part is not higher by the exiting surface of light guide plate.
The improvement of technical solution of the present invention is further used as, the bottom of the lens is provided with the lamp storehouse for accommodating the light source,
The internal face in the lamp storehouse forms lens incidence surface, and the lens outside wall surface relative with the incidence surface forms lens light extraction
Face, is provided with the bellmouth of indent at the top of the lens, the hole wall of the bellmouth is formed will can be entered through lens incidence surface
Light is all-trans and is incident upon the reflection from lens face of lens exiting surface.
Be further used as the improvement of technical solution of the present invention, the lens exiting surface of the lens and the incidence surface of light guide plate without
Gap close fit.
It is further used as the improvement of technical solution of the present invention, the lens exiting surface of the lens and the incidence surface light of light guide plate
Glue is learned to fix.
Be further used as the improvement of technical solution of the present invention, the light source include pcb board and be located on the pcb board and
LED particle in the insertion lamp storehouse, the lens are mounted on LED particle and lamp bar are constituted on pcb board.
It is further used as the improvement of technical solution of the present invention, the base plane of the light guide plate is provided with dimpling and/or micro-
The distribution trend of recessed structure, dimpling and/or dimple-structures wound hole shape structure distribution, dimpling and/or dimple-structures be closer to
Hole shape structure distribution is thinner.
The improvement of technical solution of the present invention is further used as, also including the backboard being located at below the light guide plate, the light
Catoptric arrangement is to be located at the reflector plate for being mounted on backboard or being mounted in light guide plate base plane.
Beneficial effects of the present invention：In the present invention, light source produce light by after lens adjusts path through hole shape structure
Internal face inject in light guide plate, then by after the reflection of light guide plate and light reflection structure project, to reach uniform area light source
Effect.Using hole shape structure is opened up on light guide plate in the present invention, light source assembly is accommodated, can be dropped while image quality is kept
Low down straight aphototropism mode set thickness.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is present invention assembling explosive view；
Fig. 2 is overall structure top view of the present invention；
Fig. 3 is sectional view at A-A in this Fig. 2；
Fig. 4 is lens arrangement schematic diagram of the present invention；
Fig. 5 is lens cross-section schematic diagram of the present invention；
Fig. 6 is light channel structure schematic diagram of the present invention；
Fig. 7 is dimpling of the present invention and/or dimple-structures distribution schematic diagram.
Specific embodiment
Referring to figs. 1 to Fig. 7, that show the concrete structure of the preferred embodiments of the invention.Will be detailed below this
Invent the design feature of each part, and be with shown in Fig. 3 if being described to during direction (upper and lower, left and right, before and after)
Structure is that, with reference to description, but actually used direction of the invention is not limited thereto.
Referring to Fig. 1, Fig. 3, the invention provides a kind of ultrathin backlight module, including light guide plate 1 and the light guide plate 1 is located at
The light reflection structure of bottom, offers at least one hole shape structure 11 on the light guide plate 1, be provided with the hole shape structure 11
Light source assembly, the internal face of the hole shape structure 11 forms incidence surface 12, and the light source assembly includes light source and is embedded in hole shape
Structure 11 is interior and the light of light source can be sent into the lens 2 in light guide plate 1 through incidence surface 12.Also include being located at the light guide plate 1
The backboard 3 of lower section, the light reflection structure be located at be mounted on backboard 3 or be mounted on it is anti-in the base plane of light guide plate 1
Penetrate piece 4.In the present invention, the light that light source is produced through the internal face of hole shape structure 11 after the adjusts path of lens 2 by injecting leaded light
In plate 1, then by being projected after the reflection of light guide plate 1 and light reflection structure, to reach the effect of uniform area light source.Adopted in the present invention
With hole shape structure 11 is opened up on light guide plate 1, light source assembly is accommodated, direct-type backlight can be reduced while image quality is kept
Module thickness.
As the preferred embodiment of the present invention, referring to Fig. 2, wherein, the hole shape structure 11 is to be opened in the bottom of light guide plate 1
The blind hole or through hole in portion, concrete structure is probably bellmouth（Groove）, cylindrical hole（Groove）, spherical pore（Groove）, hemispherical-shaped aperture（Groove）Deng.
Multiple hole shape structures 11 are set on the light guide plate 1, and, each hole shape structure 11 is uniformly distributed on light guide plate 1, to reach
The effect of uniform area light source.
The one kind of the material of light guide plate 1 comprising following material：PMMA, PC, ultrawhite optical glass of high index of refraction etc., coordinate knot
The surrounding of structure carries out ink silk screen printing, laser dotting, hot pressing or direct injection moulding and is adjusted according to actual optical effect.It is described
Exiting surface 13 is formed on the top of light guide plate 1, and the light source assembly is not higher by the exiting surface 13 of light guide plate.
Referring to Fig. 4, Fig. 5, the bottom of the lens 2 is provided with the lamp storehouse 21 for accommodating the light source, the inwall in the lamp storehouse 21
Face forms lens incidence surface 22, and the outside wall surface relative with the incidence surface 12 of the lens 2 forms smooth lens exiting surface 23,
The top of the lens 2 is provided with the bellmouth of indent, and the hole wall of the bellmouth is formed will can be entered through lens incidence surface 22
Light is all-trans and is incident upon the reflection from lens face 24 of lens exiting surface 23, and reflection from lens face 24 uses reflected light quadratic surface structure.Thoroughly
The one kind of its material of mirror comprising following material：PMMA, PC, ultrawhite optical glass of high index of refraction etc..
In the present embodiment, the lens exiting surface 23 of the lens 2 and the gapless close fit of incidence surface 12 of light guide plate 1,
Or the lens exiting surface 23 of the lens 2 is fixed with the incidence surface optics glue of light guide plate 1.The light source includes pcb board
51 and it is located on the pcb board 51 and the LED particle 52 in the insertion lamp storehouse 21, the lens 2 are pasted with LED particle 52
Loaded on lamp strip unit timing is constituted on pcb board 51, light guide plate 1 is positioned on backboard 3 with lamp bar cooperation.
Referring to Fig. 6, its design principle is as follows, the folding of lens incidence surface 22 of the rays pass through lens 2 sent by LED particle 52
Inject inside lens 2.Projected by lens exiting surface 23 after reflection from lens face 24 is reflected and entered in light guide plate 1, in light guide plate 1
Light reflection structure be totally reflected and diffusing reflection after, projected by exiting surface 13, so as to reach the effect of uniform area light source.
Lens 2 can be using materials such as PMMA, PC, optical glass, it is assumed that its refractive index is 1.5, can be according to total reflection principle
Solution draws, when light is from optically denser medium directive optically thinner medium, 41.8 ° is more than in incidence angle, and refraction light is wholly absent, only remaining
Reflection light, therefore the incidence of each light can be adjusted by adjusting the curvature of each point of the curve of the reflecting surface structure of lens 2
Angle.When the refractive index of lens 2 is higher, the height of its curved surface can be with smaller, and backlight module is thinner.
Light guide plate 1 can be injected in light guide plate 1 using the materials such as PMMA, PC, optical glass, light via incidence surface structure,
There is full transmitting on light reflection structure in incident ray.
As shown in fig. 7, the base plane 14 of the light guide plate 1 is provided with dimpling and/or dimple-structures, dimpling and/or micro-
The distribution trend of recessed structure wound hole shape structure distribution, dimpling and/or dimple-structures be it is thinner closer to hole shape structure distribution, more
It is closeer away from being distributed.To reach the effect of uniform area light source.
In an embodiment of the present invention, the gross thickness of backlight portion is can be controlled within 10mm, meets the super of backlight module
Thinning development trend.
Certainly, the invention is not limited to above-mentioned implementation method, and those of ordinary skill in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of spirit, these equivalent modifications or replacement are all contained in the application right
It is required that in limited range.
Claims (10)
1. a kind of ultrathin backlight module, it is characterised in that：Including light guide plate and the light reflection structure for being located at the light guide plate bottom,
At least one hole shape structure is offered on the light guide plate, light source assembly, the hole shape structure are provided with the hole shape structure
Internal face form incidence surface, the light source assembly includes light source and is embedded in hole shape structure and can be by the light of light source through entering
Lens in smooth surface feeding light guide plate.
2. ultrathin backlight module according to claim 1, it is characterised in that：The hole shape structure is to be opened in light guide plate bottom
The blind hole or through hole in portion.
3. ultrathin backlight module according to claim 2, it is characterised in that：Multiple holes shape knot is set on the light guide plate
Structure, each hole shape structure is uniformly distributed on light guide plate.
4. ultrathin backlight module according to claim 1, it is characterised in that：Exiting surface is formed on the top of the light guide plate,
The light source assembly is not higher by the exiting surface of light guide plate.
5. ultrathin backlight module according to claim 4, it is characterised in that：The bottom of the lens is provided with the receiving light
The lamp storehouse in source, the internal face in the lamp storehouse forms lens incidence surface, and the lens outside wall surface relative with the incidence surface is formed
Lens exiting surface, is provided with the bellmouth of indent at the top of the lens, the hole wall of the bellmouth is formed and can will enter light through lens
The light that face enters is all-trans and is incident upon the reflection from lens face of lens exiting surface.
6. ultrathin backlight module according to claim 5, it is characterised in that：The lens exiting surface and light guide plate of the lens
Incidence surface gapless close fit.
7. ultrathin backlight module according to claim 5, it is characterised in that：The lens exiting surface and light guide plate of the lens
Incidence surface optics glue fix.
8. ultrathin backlight module according to claim 5, it is characterised in that：The light source includes pcb board and is located at institute
State on pcb board and the LED particle in the insertion lamp storehouse, the lens are mounted on LED particle and lamp bar is constituted on pcb board.
9. ultrathin backlight module according to claim 1, it is characterised in that：The base plane of the light guide plate is provided with micro-
The distribution trend of convex and/or dimple-structures, dimpling and/or dimple-structures wound hole shape structure distribution, dimpling and/or dimple-structures
It is thinner closer to hole shape structure distribution.
10. ultrathin backlight module according to claim 1, it is characterised in that：Also include being located at below the light guide plate
Backboard, the light reflection structure is to be located at the reflector plate for being mounted on backboard or being mounted in light guide plate base plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083819.2A CN106886106A (en) | 2017-02-16 | 2017-02-16 | A kind of ultrathin backlight module |
| PCT/CN2017/079207 WO2018149025A1 (en) | 2017-02-16 | 2017-04-01 | Ultra-thin backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083819.2A CN106886106A (en) | 2017-02-16 | 2017-02-16 | A kind of ultrathin backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106886106A true CN106886106A (en) | 2017-06-23 |
Family
ID=59179303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710083819.2A Pending CN106886106A (en) | 2017-02-16 | 2017-02-16 | A kind of ultrathin backlight module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106886106A (en) |
| WO (1) | WO2018149025A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633781A (en) * | 2016-07-18 | 2018-01-26 | 比亚迪股份有限公司 | Gearshift luminescent panel and there is its automobile |
| CN107861188A (en) * | 2017-09-29 | 2018-03-30 | 广东深越光电技术有限公司 | A kind of backlight module of the brightness of its lifting dark space of light guide plate and utilization |
| CN111367122A (en) * | 2020-04-03 | 2020-07-03 | 深圳市隆利科技股份有限公司 | Light guide LED lamp panel |
| CN111413826A (en) * | 2020-04-03 | 2020-07-14 | 深圳市隆利科技股份有限公司 | Surface light source backlight device |
| CN114217479A (en) * | 2022-02-09 | 2022-03-22 | 深圳创维－Rgb电子有限公司 | Optical assembly, backlight module and display device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824778A (en) * | 2019-11-29 | 2020-02-21 | 武汉华星光电技术有限公司 | Backlight module and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256307A (en) * | 2008-03-14 | 2008-09-03 | 上海广电光电子有限公司 | Directly-down backlight module unit |
| CN102566139A (en) * | 2010-12-28 | 2012-07-11 | 歌尔声学股份有限公司 | LED (Light-Emitting Diode) backlight display equipment |
| CN103017038A (en) * | 2012-12-13 | 2013-04-03 | 京东方科技集团股份有限公司 | Direct type backlight source and display device |
| CN104748021A (en) * | 2013-12-31 | 2015-07-01 | 欧普照明股份有限公司 | LED lighting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201007233A (en) * | 2008-08-08 | 2010-02-16 | Coretronic Corp | Light guide plate and edge-lighting type backlight module |
| CN201945776U (en) * | 2010-12-28 | 2011-08-24 | 歌尔声学股份有限公司 | LED backlight display device |
| TWI444721B (en) * | 2011-04-29 | 2014-07-11 | Au Optronics Corp | Backlight module |
| CN202419335U (en) * | 2011-10-28 | 2012-09-05 | Tcl光电科技(惠州)有限公司 | Liquid crystal display and direct light-emitting diode (LED) backlight module |
| CN202274376U (en) * | 2011-10-31 | 2012-06-13 | 深圳Tcl新技术有限公司 | Liquid crystal display backlight module and LCD (liquid crystal display) |
| CN104712959B (en) * | 2013-12-16 | 2017-03-22 | 富泰华精密电子（郑州）有限公司 | Backlight module and light source module |
-
2017
- 2017-02-16 CN CN201710083819.2A patent/CN106886106A/en active Pending
- 2017-04-01 WO PCT/CN2017/079207 patent/WO2018149025A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256307A (en) * | 2008-03-14 | 2008-09-03 | 上海广电光电子有限公司 | Directly-down backlight module unit |
| CN102566139A (en) * | 2010-12-28 | 2012-07-11 | 歌尔声学股份有限公司 | LED (Light-Emitting Diode) backlight display equipment |
| CN103017038A (en) * | 2012-12-13 | 2013-04-03 | 京东方科技集团股份有限公司 | Direct type backlight source and display device |
| CN104748021A (en) * | 2013-12-31 | 2015-07-01 | 欧普照明股份有限公司 | LED lighting device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633781A (en) * | 2016-07-18 | 2018-01-26 | 比亚迪股份有限公司 | Gearshift luminescent panel and there is its automobile |
| CN107861188A (en) * | 2017-09-29 | 2018-03-30 | 广东深越光电技术有限公司 | A kind of backlight module of the brightness of its lifting dark space of light guide plate and utilization |
| CN107861188B (en) * | 2017-09-29 | 2020-02-07 | 广东深越光电技术有限公司 | Light guide plate and backlight module for improving brightness of dark area by using same |
| CN111367122A (en) * | 2020-04-03 | 2020-07-03 | 深圳市隆利科技股份有限公司 | Light guide LED lamp panel |
| CN111413826A (en) * | 2020-04-03 | 2020-07-14 | 深圳市隆利科技股份有限公司 | Surface light source backlight device |
| CN114217479A (en) * | 2022-02-09 | 2022-03-22 | 深圳创维－Rgb电子有限公司 | Optical assembly, backlight module and display device |
| CN114217479B (en) * | 2022-02-09 | 2024-05-07 | 深圳创维－Rgb电子有限公司 | Optical assembly, backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018149025A1 (en) | 2018-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106886106A (en) | A kind of ultrathin backlight module | |
| CN206573819U (en) | A kind of ultra-thin down straight aphototropism mode set | |
| CN103277739B (en) | A kind of optical lens | |
| CN107966856A (en) | A kind of down straight aphototropism mode set and its liquid crystal display device | |
| CN101150160A (en) | LED and its making method | |
| CN102287679A (en) | Light source module and backlight module | |
| CN102011978A (en) | Backlight illumination assembly having a joining clip with diffusion means | |
| CN103925557B (en) | Even optical lens and include the LED light source module of this even optical lens | |
| CN104132304A (en) | Optical lens | |
| WO2016086534A1 (en) | Light guide plate and manufacturing method therefor | |
| CN104364696B (en) | flux control member, light-emitting device, lighting device and display device | |
| CN104748021A (en) | LED lighting device | |
| WO2020015341A1 (en) | Direct-type backlight module and display | |
| CN104456301B (en) | A kind of LED light source module, LED light bar and down straight aphototropism mode set | |
| KR101070686B1 (en) | Composite Sheet for LCD, and Backlight Unit Using The Same | |
| CN206741162U (en) | A kind of LED lens of down straight aphototropism mode set | |
| CN108761916A (en) | Backlight module and display device | |
| CN101994998A (en) | Optical coupling device for light guiding film | |
| CN203771228U (en) | LED (light-emitting diode) lighting device | |
| CN208795979U (en) | A kind of backlight module with micro-structure | |
| CN207516699U (en) | Back lighting device and reflective display | |
| CN208270886U (en) | A kind of side entering type narrow frame backlight module that achievable dynamic HDR is shown | |
| CN207895194U (en) | Backlight module | |
| KR20120122642A (en) | Reflective light source type light guide system of sidelight type backlight unit | |
| CN107340552A (en) | A kind of lens and down straight aphototropism mode set |
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: 20170623 |
|
| RJ01 | Rejection of invention patent application after publication |