CN104964213B - Backlight module and liquid crystal display - Google Patents
Backlight module and liquid crystal display Download PDFInfo
- Publication number
- CN104964213B CN104964213B CN201510413484.7A CN201510413484A CN104964213B CN 104964213 B CN104964213 B CN 104964213B CN 201510413484 A CN201510413484 A CN 201510413484A CN 104964213 B CN104964213 B CN 104964213B
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- Prior art keywords
- light
- light source
- guide plate
- reflecting surface
- reflecting
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight module,Including the optical diaphragm group set gradually from top to bottom,Light guide plate,Reflector plate,Glue frame,FPC,Light source on the FPC,The glue frame is placed on the reflector plate,The optical diaphragm group and the light guide plate are contained in the glue frame,The inner surface of the glue frame is equipped with arc-shaped recess,The arc-shaped recess surface is equipped with the first reflecting surface,The light source is located between incidence surface and the glue frame of the light guide plate,The light-emitting surface of the light source is towards first reflecting surface,The FPC is equipped with the second reflecting surface in face of the surface of the light source,The non-light-emitting surface of the light source is equipped with third reflecting surface,First reflecting surface,Second reflecting surface,Reflection cavity is collectively formed in the third reflecting surface,Light after reflecting cavity reflection enters the light guide plate after mixing,Eliminate dark space.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of backlight module and with the backlight module liquid
Crystal display.
Background technology
Liquid crystal display device (LCD, Liquid Crystal Display) has that fuselage is thin, power saving, radiationless etc. numerous
Advantage is widely used.Liquid crystal display device on existing market is largely backlight liquid crystal display device, packet
Include liquid crystal display panel and backlight module (backlight module).The operation principle of liquid crystal display panel is parallel in two panels
Glass substrate in place liquid crystal molecule, there are many tiny electric wire vertically and horizontally among two panels glass substrate, by logical
Liquid crystal molecule is controlled to change direction whether electricity, the light of backlight module is reflected into generation picture.Due to LCD display
Plate does not shine in itself, needs the light source provided by backlight module normally to show image, and therefore, backlight module becomes liquid crystal
One of key component of showing device.
Referring to Fig. 1, in the prior art, backlight module is that the multiple LED 2 of backlight are spaced apart in LCD display
The edge of plate light guide plate 3 (LGP, Light Guide Plate), the light that LED 2 is sent out from the incidence surface of 3 side of light guide plate into
Enter light guide plate, projected after reflection and diffusion from 3 light-emitting surface of light guide plate, then via optical diaphragm group, to form area source offer
To liquid crystal display panel.
At least there are the following problems for this backlight module：
Since LED light source is spaced apart, the light that such light source is injected to light guide plate has clear zone as shown in Figure 1
5 and dark space 6, cause backlight module light uneven, the serious image quality for affecting liquid crystal display panel.
Invention content
The purpose of the present invention is to provide a kind of backlight modules, have the advantages that backlight module light is evenly distributed.
It is another object of the present invention to provide a kind of liquid crystal displays using above-mentioned backlight module.
To achieve these goals, embodiment of the present invention provides following technical solution：
Present invention is disclosed a kind of backlight module, including set gradually from top to bottom optical diaphragm group, light guide plate, reflection
Piece, glue frame, FPC, the light source on the FPC, the glue frame are placed on the reflector plate, the optical diaphragm group and described
Light guide plate is contained in the glue frame, and the inner surface of the glue frame is equipped with arc-shaped recess, and the arc-shaped recess surface is equipped with first
Reflecting surface, the light source are located between incidence surface and the glue frame of the light guide plate, and the light-emitting surface of the light source is described in
First reflecting surface, the FPC are equipped with the second reflecting surface in face of the surface of the light source, and the non-light-emitting surface of the light source is equipped with third
Reflection cavity is collectively formed in reflecting surface, first reflecting surface, second reflecting surface, the third reflecting surface.
Wherein, the light source is fixed on by rigid wire in the focus of the arc-shaped recess, and the rigid wire is electrical
Connect the FPC and the light source.
Wherein, the light source is rectangle, and the surface of light source is first surface to the light guide plate, second table of light source
The plane that face and third surface are oppositely arranged and are parallel to where the reflecting plate, the second surface and the third surface connect
It is connected between the first surface and the light-emitting surface, the 4th surface of light source and the 5th surface are oppositely arranged and perpendicular to institute
State the plane where reflecting plate, the 4th surface and the 5th surface be connected to the first surface and the light-emitting surface it
Between, the distance between the 4th surface and the 5th surface ＜ 3mm, the distance ＜ of the first surface and the light-emitting surface
1mm, the distance between the second surface and the third surface ＜ 0.4mm.
Wherein, the FPC parts are attached at the side far from the reflector plate of the light guide plate, and the FPC is another
A part is attached at the side far from the reflector plate of the glue frame.
Wherein, shading rubber belt is further included, the shading rubber belt part is attached at the separate reflection of the light guide plate
The side of piece, another part of the shading rubber belt are attached at the side far from the reflector plate of the glue frame, the shading
Adhesive tape is equipped with reflecting surface between the glue frame and the light guide plate towards light source part, and the FPC parts are attached at described
The side of the close reflector plate of glue frame, another part of the FPC are attached on the reflector plate.
Wherein, first reflecting surface, second reflecting surface and the third reflecting surface are by coating reflecting material
Mode forms reflecting surface.
Wherein, the optical diaphragm group includes brightening piece, once brightening piece and a diffusion sheet on one, the lower brightening piece position
Between the upper brightening piece and the diffusion sheet, the diffusion sheet fits in the light guide plate, the upper brightening piece with it is described
Viewing area is bonded.
Wherein, the outer surface for being not provided with light source of the light guide plate is coated with reflecting surface, and the reflecting surface will be incident on institute
The light reflection for stating mirror surface is returned in the light guide plate.
Wherein, the light guide plate is contacted with the reflector plate to be seamless.
The present invention also discloses a kind of liquid crystal display, including above-mentioned backlight module.
The embodiment of the present invention has the following advantages that or advantageous effect：
In the backlight module of the embodiment of the present invention, arc-shaped recess, the light source are equipped with using by glue frame inside
Light-emitting surface towards the arc-shaped recess, and in the arc-shaped recess surface, the FPC in face of the surface of the light source and described
The non-light-emitting surface of light source is equipped with reflecting surface, and the method that reflection cavity is collectively formed in the reflecting surface and the reflector plate is realized light
The emergent ray in source enters the function of light guide plate after mixing, reaches the technique effect for improving display quality of liquid crystal panel.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is prior art backlight module light source setting schematic diagram；
Fig. 2 is the backlight module partial sectional schematic view of first embodiment of the invention；
Fig. 3 is the backlight module partial sectional schematic view of second embodiment of the invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 2, as shown in Fig. 2, the backlight module 100 of the present invention can be LCD backlight module, including optical film
Piece group 20, light guide plate 3 and reflector plate 4, FPC (flexible PCB) 5, light source 6 and glue frame 7, the glue frame 7 are placed in the reflector plate
On 4, the optical diaphragm group 20 and the light guide plate 3 are stacked and are contained in the glue frame 7, the optical diaphragm group 20
It is set on the light guide plate 3, is handled for the light to the outgoing from light guide plate 3 so that is emitted from backlight module 100
Light intensity it is larger and more uniformly, the light guide plate 7 is attached on the reflector plate 4, and the inner surface of the glue frame 7 is set
There is arc-shaped recess (unnumbered), the arc-shaped recess surface is equipped with the first reflecting surface 71, and the light source 6 is located at the light guide plate 3
Incidence surface 31 and the glue frame 7 between, the light source light-emitting surface 62 is faced towards first reflecting surface 71, the FPC 5
The surface of the light source 6 is equipped with the second reflecting surface 52, and the non-light-emitting surface of the light source 6 is equipped with third reflecting surface 63, and described first
Reflection cavity is collectively formed in reflecting surface 71, second reflecting surface 52, the third reflecting surface 63.
By being equipped with arc-shaped recess on 7 inside of the glue frame, the light-emitting surface of the light source towards the arc-shaped recess, and
In the arc-shaped recess surface, the FPC reflecting surface, institute are equipped in face of the non-light-emitting surface of the surface of the light source and the light source
It states reflecting surface and reflection cavity is collectively formed in the reflector plate so that the emergent ray of light source is after mixing into light guide plate
Function achievees the effect that improve display quality of liquid crystal panel.
Further, the glue frame 7 is generally made of flexible material, which is preferably PC materials (i.e. poly- carbonic acid
Ester).
It is further preferred that can be electrically connected the light source 6 by rigid wire and the FPC 5, pass through in addition
The light source 6 can be fixed in the focus of the arc-shaped recess by the rigid wire, and it is flat to make the light that reflection cavity projects
Row light, light is more uniform, and display effect is more preferable.
As it is further preferred that the light source 6 is rectangle, the light source is rectangle, and the surface of light source is led to described
Tabula rasa is first surface, and the light source second surface and third surface are oppositely arranged and are parallel to flat where the reflecting plate
Face, the second surface and the third surface are connected between the first surface and the light-emitting surface 62, the light source
Four surfaces and the 5th surface are oppositely arranged and perpendicular to the plane where the reflecting plate, the 4th surface and the 5th tables
Face is connected between the first surface and the light-emitting surface, the distance between the 4th surface and the 5th surface ＜
3mm, the distance ＜ 1mm of the first surface and the light-emitting surface 62, between the second surface and the third surface away from
From ＜ 0.4mm., the space occupied can be reduced using the light source 6 of small size so that light can be penetrated from the reflection cavity
Go out, so as to improve light utilization, and the size of the backlight module 100 can be reduced.
Referring to Fig. 2, a specific embodiment as the present invention, the FPC 5 is set on the top of the reflector plate 4,
5 parts of FPC are attached at the side far from the reflector plate 4 of the light guide plate 3, and another part of the FPC 5 attaches
In the side far from the reflector plate 4 of the glue frame 7.
Referring to Fig. 3, in another embodiment of the present invention, the backlight module further includes shading rubber belt 9, the screening
9 part of optical cement band is attached at the side far from the reflector plate 4 of the light guide plate 3, another part of the shading rubber belt 9
The side far from the reflector plate 4 of the glue frame 7 is attached at, the shading rubber belt 9 is between the glue frame 7 and the light guide plate
Reflecting surface is equipped with towards 6 part of light source between 3, a part of the FPC 5 is attached at the glue frame 7 close to the reflector plate 4
Side, another part of the FPC 5 is attached on the reflector plate 4, between the glue frame 7 and the light guide plate 3
FPC 5, in the one side towards light source be equipped with reflecting surface 52.
In the specific embodiment of the present invention, the FPC parts are attached at the separate reflection of the light guide plate
The side of piece, another part of the FPC are attached at the side far from the reflector plate of the glue frame.
In embodiments of the present invention, the optical diaphragm 20 includes upper brightening piece 21, lower brightening piece 22 and diffusion sheet 23.Institute
State brightening piece 21, the lower brightening piece 22 and the diffusion sheet 23 overlapping arrangement successively from top to bottom, that is, the lower brightening piece
22 between the upper brightening piece 21 and the diffusion sheet 23, and the diffusion sheet 23 fits in the light guide plate 3.
Preferably, the reflector plate 4 is reflector plate with high reflectivity, for improving liquid in certain light source output
The positive brightness of brilliant backlight module 100.It is understood that in order to preferably reduce light leakage, it can not setting the light guide plate 3
The outer surface for putting light source 6 is coated with reflecting surface (not shown), to prevent light from being leaked out from the fringe region of the light guide plate 3, is promoted aobvious
Show effect.In an embodiment of the present invention, the reflector plate 4 is coated with reflecting surface for white reflection piece or silver-colored reflector plate, surface,
The reflecting surface of coating selects reflecting material of the reflectivity more than 50%, to improve reflecting effect.
Further, the light guide plate 3 is using optical grade acrylic (Polymethylmethacrylate, PMMA)/poly-
Carbonic ester (Polycarbonate, PC) is base material, is used to line source being changed into area source.
Preferably, it seamless should be contacted between the light guide plate 3 and the reflector plate 4, the optical diaphragm group 20, so
The integral thickness of the backlight module 100 can not only be reduced, display quality can also be improved.
In the present embodiment light source can be cold cathode fluorescent tube (CCFL, old Cathode Fluorescent Lamp),
Thermic cathode fluorimetric pipe, light emitting diode (LED, Light Emitting Diode) and EL sheet (EL,
Electroluminescence) etc..
Preferably, the light source can be LED light source, which uses DC power supply, has longer service life.
Specific to the light transmission path of backlight module, light guide plate 3, part light are injected after the light that light source 6 is sent out projects reflection cavity
Line reaches the diffusion sheet 23, the lower brightening piece 22 and upper brightening piece 21 successively, and is finally incident to display panel, another portion
The incident light divided is reflected via reflector plate 4, and reflection light out reaches the diffusion sheet 23, the lower brightening piece successively
22 and upper brightening piece 21, and finally it is incident to display panel.
It is understood that the liquid crystal display and the backlight module 100 can be applied to Electronic Paper, liquid crystal electricity
Depending on, any product or component with display function such as mobile phone, Digital Frame, tablet computer.
Embodiments described above does not form the restriction to the technical solution protection domain.It is any in above-mentioned implementation
Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical solution
Within enclosing.
Claims (7)
1. a kind of backlight module, including set gradually from top to bottom optical diaphragm group, light guide plate, reflector plate, which is characterized in that
Further include glue frame, FPC, the light source on the FPC, the glue frame is placed on the reflector plate, the optical diaphragm group and
The light guide plate is contained in the glue frame, and the inner surface of the glue frame is equipped with arc-shaped recess, and the arc-shaped recess surface is equipped with
First reflecting surface, the light source are located between incidence surface and the glue frame of the light guide plate, the light-emitting surface direction of the light source
First reflecting surface, the FPC are equipped with the second reflecting surface in face of the surface of the light source, and the non-light-emitting surface of the light source is equipped with
Reflection cavity, the light is collectively formed in third reflecting surface, first reflecting surface, second reflecting surface and the third reflecting surface
Source is fixed on by rigid wire in the focus of the arc-shaped recess, and the rigid wire is electrically connected the FPC and the light
Source, the backlight module further include shading rubber belt, and the shading rubber belt part is attached at the separate described anti-of the light guide plate
The side of piece is penetrated, another part of the shading rubber belt is attached at the side far from the reflector plate of the glue frame, the screening
Optical cement band is equipped with reflecting surface between the glue frame and the light guide plate towards light source part, and the FPC parts are attached at institute
The side of the close reflector plate of glue frame is stated, another part of the FPC is attached on the reflector plate.
2. backlight module as described in claim 1, which is characterized in that the light source is rectangle, and the surface of light source is led to described
Tabula rasa is first surface, and the light source second surface and third surface are oppositely arranged and are parallel to flat where the reflecting plate
Face, the second surface and the third surface are connected between the first surface and the light-emitting surface, the light source the 4th
Surface and the 5th surface are oppositely arranged and perpendicular to the plane where the reflecting plate, the 4th surface and the 5th surfaces
It is connected between the first surface and the light-emitting surface, the distance between the 4th surface and the 5th surface<3mm,
The distance ＜ 1mm of the first surface and the light-emitting surface, the distance between the second surface and the third surface<
0.4mm。
3. backlight module as described in claim 1, which is characterized in that first reflecting surface, second reflecting surface and institute
It states third reflecting surface and reflecting surface is formed by way of coating reflecting material.
4. backlight module as described in claim 1, which is characterized in that the optical diaphragm group includes brightening piece, once on one
Brightening piece and a diffusion sheet, the lower brightening piece is between the upper brightening piece and the diffusion sheet, the diffusion sheet fitting
In the light guide plate.
5. backlight module as described in claim 1, which is characterized in that the outer surface for the being not provided with light source coating of the light guide plate
There is reflecting surface, the reflecting surface returns the light reflection for being incident on the mirror surface in the light guide plate.
6. backlight module as claimed in claim 5, which is characterized in that the light guide plate is contacted with the reflector plate to be seamless.
7. a kind of liquid crystal display, which is characterized in that including the backlight module described in claim 1 to 6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413484.7A CN104964213B (en) | 2015-07-14 | 2015-07-14 | Backlight module and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413484.7A CN104964213B (en) | 2015-07-14 | 2015-07-14 | Backlight module and liquid crystal display |
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| Publication Number | Publication Date |
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| CN104964213A CN104964213A (en) | 2015-10-07 |
| CN104964213B true CN104964213B (en) | 2018-06-08 |
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| CN201510413484.7A Active CN104964213B (en) | 2015-07-14 | 2015-07-14 | Backlight module and liquid crystal display |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301840A (en) * | 2015-11-18 | 2016-02-03 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN108227071B (en) * | 2018-01-31 | 2020-07-03 | Oppo广东移动通信有限公司 | Backlight module and electronic device |
| CN109348152A (en) * | 2018-11-16 | 2019-02-15 | 青岛恒泰机械配件有限公司 | A kind of 3D curved surface LCD TV |
| CN109828411A (en) * | 2019-02-22 | 2019-05-31 | 信利光电股份有限公司 | A kind of backlight |
| CN110056824A (en) * | 2019-03-20 | 2019-07-26 | 江苏铁锚玻璃股份有限公司 | A kind of decorative lamp of optical texture |
| CN110242894A (en) * | 2019-04-29 | 2019-09-17 | 江苏铁锚玻璃股份有限公司 | A kind of decorative lamp of optical texture |
| CN114200715A (en) * | 2021-12-13 | 2022-03-18 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| CN114397783A (en) * | 2022-03-14 | 2022-04-26 | 深圳市南极光电子科技股份有限公司 | Ultrathin Mini-LED backlight source with uniform light emission |
| CN115061232B (en) * | 2022-07-07 | 2024-03-15 | 友达光电（昆山）有限公司 | Optical assembly and display device using same |
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| CN101165560A (en) * | 2006-10-18 | 2008-04-23 | 群康科技(深圳)有限公司 | Backlight module group and liquid crystal display device |
| CN103697376A (en) * | 2013-12-09 | 2014-04-02 | 京东方科技集团股份有限公司 | Backlight source and display device |
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| CN100573263C (en) * | 2004-06-25 | 2009-12-23 | 奇美电子股份有限公司 | Backlight module |
| JP4673676B2 (en) * | 2005-06-10 | 2011-04-20 | シチズン電子株式会社 | Backlight device |
| CN201487710U (en) * | 2009-03-19 | 2010-05-26 | 深圳华映显示科技有限公司 | Backlight module and liquid crystal display device |
| CN201819114U (en) * | 2010-10-12 | 2011-05-04 | 苏州茂立光电科技有限公司 | Backlight module and liquid crystal display device |
| CN102620199B (en) * | 2012-03-19 | 2014-01-22 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN102644890B (en) * | 2012-04-01 | 2013-11-20 | 深圳市华星光电技术有限公司 | Narrow-frame backlight module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165560A (en) * | 2006-10-18 | 2008-04-23 | 群康科技(深圳)有限公司 | Backlight module group and liquid crystal display device |
| CN103697376A (en) * | 2013-12-09 | 2014-04-02 | 京东方科技集团股份有限公司 | Backlight source and display device |
| CN104534304A (en) * | 2014-12-03 | 2015-04-22 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
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|---|---|
| CN104964213A (en) | 2015-10-07 |
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