CN104749687B - Light guide plate and backlight module - Google Patents
Light guide plate and backlight module Download PDFInfo
- Publication number
- CN104749687B CN104749687B CN201510174667.8A CN201510174667A CN104749687B CN 104749687 B CN104749687 B CN 104749687B CN 201510174667 A CN201510174667 A CN 201510174667A CN 104749687 B CN104749687 B CN 104749687B
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- micro
- structural
- subelement
- guide plate
- light guide
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Classifications
-
- 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
-
- 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
-
- 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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of light guide plate and backlight module.The light guide plate includes first surface,Second surface and side,The first surface is oppositely arranged with the second surface,Intersect respectively with the first surface and the second surface side,The side is crossed to form the first intersecting lens with the first surface,The first surface sets multiple first microstructure units on the position of the side,Each first microstructure unit includes a plurality of first micro-structural subelement and a plurality of second micro-structural subelement,The first micro-structural subelement is parallel to each other,The second micro-structural subelement is parallel to each other,The first micro-structural subelement is with the second micro-structural subelement on the first symmetrical axial symmetry,First symmetry axis is perpendicular to first intersecting lens,And form the first acute angle between the first micro-structural subelement and first intersecting lens,The second acute angle is formed between the second micro-structural subelement and first intersecting lens.
Description
Technical field
The present invention relates to display field, more particularly to a kind of light guide plate and backlight module.
Background technology
With the development of technology, liquid crystal display device has obtained widely applying as one kind of electronic installation.Backboard
Module is an important device of liquid crystal display device, and backlight module is used to provide light for the panel in liquid crystal display device
Source.Backlight module includes light guide plate and multiple light sources, and the light source is usually light emitting diode (light emitting
Diode, LED), the light emitting diode is arranged on the side of the light guide plate, and (now, this side of the light guide plate is also referred to as
For incidence surface), the light source is used to light, and the light guide plate is used to the light that the light source is sent being converted to area source, and carries
Supply the display panel of the liquid crystal display device.Because the display panel of liquid crystal display device becomes increasing, light source and
The distance of the viewing area of the display panel is less and less, the distance between incidence surface of light guide plate described in the light source distance
Less and less, firefly (hotspot) phenomenon of the incidence surface side of the light guide plate is also more and more obvious.That is, described light guide plate
There is bright uneven phenomenon in the position of the neighbouring incidence surface.The light guide plate occurs bright adjacent to the position of the incidence surface
It is bright uneven, so as to cause the display effect of the liquid crystal display device bad.
The content of the invention
The present invention provides a kind of light guide plate, and the light guide plate includes first surface, second surface and side, first table
Face is oppositely arranged with the second surface, and the side is intersected with the first surface and the second surface respectively, the side
Face and the first surface are crossed to form the first intersecting lens, and the first surface sets multiple the on the position of the side
One microstructure unit, each first microstructure unit includes a plurality of first micro-structural subelement and a plurality of second micro-structural is single
Member, the first micro-structural subelement are parallel to each other, and the second micro-structural subelement is parallel to each other, the first micro-structural
Unit is intersecting perpendicular to described first on the first symmetrical axial symmetry, first symmetry axis with the second micro-structural subelement
Line, and the first acute angle is formed between the first micro-structural subelement and first intersecting lens, the second micro-structural is single
It is first to form the second acute angle between first intersecting lens.
Wherein, apart from the first closest micro-structural subelement of first symmetry axis and apart from first symmetry axis
The second closest micro-structural subelement intersects, and joining is located on first intersecting lens.
Wherein, in the first micro-structural subelement in first microstructure unit and the first adjacent microstructure unit
Second micro-structural subelement intersects.
Wherein, the equal length of each first micro-structural subelement, the equal length of each second micro-structural subelement.
Wherein, the side is crossed to form the second intersecting lens with the second surface, and the second surface is adjacent to the side
Multiple second microstructure units are set on the position in face, each second microstructure unit include a plurality of 3rd micro-structural subelement and
A plurality of 4th micro-structural subelement, the 3rd micro-structural subelement are parallel to each other, and the 4th micro-structural subelement is mutually flat
OK, the 3rd micro-structural subelement and the 4th micro-structural subelement are symmetrical on the second symmetrical axial symmetry, described second
It is sharp that axle forms the 3rd perpendicular to second intersecting lens, and between the 3rd micro-structural subelement and second intersecting lens
Angle, the 4th acute angle is formed between the 4th micro-structural subelement and second intersecting lens.
Wherein, apart from the 3rd closest micro-structural subelement of second symmetry axis and apart from second symmetry axis
The 4th closest micro-structural subelement intersects, and intersection point is located on second intersecting lens.
Wherein, in the 3rd micro-structural subelement in second microstructure unit and the second adjacent microstructure unit
4th micro-structural subelement intersects.
Wherein, the equal length of the 3rd micro-structural subelement, the equal length of each 4th micro-structural subelement are respectively stated.
Present invention also offers a kind of backlight module, the backlight module includes light guide plate and multiple light sources, the light source
The side of the neighbouring light guide plate is set, and the light guide plate is the leaded light described in any embodiment in foregoing each embodiment
Plate.
Wherein, corresponding first microstructure unit of a light source is set, and the center line of the light source and described first
Symmetry axis is parallel.
Light guide plate provided by the invention and the backlight module for including the light guide plate, the light guide plate include first surface,
Second surface and side, the first surface are oppositely arranged with the second surface, the side respectively with the first surface
And the second surface intersects.The side is crossed to form the first intersecting lens with the first surface.The first surface is neighbouring
Multiple first microstructure units are set on the position of the side, and each first microstructure unit includes a plurality of first micro-structural
Unit and a plurality of second micro-structural subelement, the first micro-structural subelement are parallel to each other, the second micro-structural subelement
It is parallel to each other, the first micro-structural subelement is with the second micro-structural subelement on the first symmetrical axial symmetry.Described
One symmetry axis forms perpendicular to first intersecting lens, and between the first micro-structural subelement and first intersecting lens
One acute angle, the second acute angle is formed between the second micro-structural subelement and first intersecting lens.Intersect with prior art, this
The light guide plate of invention on the position of the side by setting multiple first micro-structurals on the first surface, and described
One micro-structural scatters to the light launched from the light source, so that the light of the exiting surface outgoing of the light guide plate is more
Uniformly.And then make it that there is preferable display effect using the liquid crystal display device of the light guide plate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the backlight module including light guide plate that a better embodiment of the invention provides.
Fig. 2 is the partial enlargement structural representation of the backlight module including light guide plate shown in I in Fig. 1.
Fig. 3 is the overlooking the structure diagram of the backlight module including light guide plate shown in Fig. 1.
Fig. 4 is the present invention looks up structural representation of the backlight module including light guide plate shown in Fig. 1.
Fig. 5 is the mplifying structure schematic diagram at the III shown in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Also referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 1 includes light guide plate for what a better embodiment of the invention provided
Backlight module structural representation；Fig. 2 is the partial enlargement structure of the backlight module including light guide plate shown in I in Fig. 1
Schematic diagram；Fig. 3 is the overlooking the structure diagram of the backlight module including light guide plate shown in Fig. 1；Fig. 4 is to include shown in Fig. 1
The present invention looks up structural representation of the backlight module of light guide plate；Fig. 5 is the mplifying structure schematic diagram at the III shown in Fig. 3.The backlight
Module 10 includes light guide plate 100 and multiple light sources 200.The light source 200 is set adjacent to the light guide plate 100, the light source 200
For lighting.The light guide plate 100 is used to the light sent from the light source 200 being converted into area source.In present embodiment
In, the number of the light source 200 is nine, and the light source 200 is arranged on the side of the light guide plate 100, the light source 200
For light emitting diode, it is possible to understand that ground, in other embodiments, the light source 200 are not limited in as light emitting diode.
The light guide plate 100 includes first surface 110, second surface 120 and one side 130.The first surface 110 with
The second surface 120 is oppositely arranged, the side 130 respectively with the first surface 110 and the phase of the second surface 120
Hand over.The side 130 is crossed to form the first intersecting lens 151 with the first surface 110.The first surface 110 is neighbouring described
Multiple first microstructure units 111 are set on the position of side 130, and it is micro- that each first microstructure unit 111 includes a plurality of first
Structural sub-units 1111 and a plurality of second micro-structural subelement 1112.The first micro-structural subelement 1111 is parallel to each other,
The second micro-structural subelement 1112 is parallel to each other, and the first micro-structural subelement 1111 and second micro-structural are single
Member 1112 is symmetrical on the first symmetry axis 152, and first symmetry axis 152 is perpendicular to first intersecting lens 151.Described first
The first acute angle, the second micro-structural subelement 1112 are formed between micro-structural subelement 1111 and first intersecting lens 151
The second acute angle is formed between first intersecting lens 151.In one embodiment, it is sharp to be equal to described second for first acute angle
Angle.It is to be appreciated that the angle of first acute angle and second acute angle can be adjusted according to being actually needed, to cause
The light being emitted from the exiting surface of the light guide plate 100 is more uniform.
In the present embodiment, the first surface 110 is the exiting surface of the light guide plate 100, when the first surface
110 be the light guide plate 100 exiting surface when, the first surface 110 adjacent to display panel set, sent out from the light source 200
The light gone out is largely emitted to be supplied to the display panel via the first surface 110.Correspondingly, the second surface
120 be the reflecting surface of the light guide plate 100, when the second surface 120 is the reflecting surface of the light guide plate 100, described the
Two surfaces 120 are neighbouring, such as, a reflector plate or the backboard with reflection function are set.Now, the light source 200 is sent
When light goes out to be shot out via the second surface 120, the reflector plate or with reflection function backboard again will from described in
The light that second surface 120 is emitted is reflexed in the light guide plate 100 from the second surface 120.The side 130 is described
The incidence surface of light guide plate 100.
It is to be appreciated that in other embodiments, the second surface 120 can be the light extraction of the light guide plate 100
Face, when the second surface 120 is the exiting surface of the light guide plate 100, the second surface 120 is set adjacent to display panel
Put, the light sent from the light source 200 is most of to be emitted to be supplied to the display panel via the second surface 120.
Correspondingly, the first surface 110 is the reflecting surface of the light guide plate 100, when the first surface 110 is the light guide plate
During 100 reflecting surface, the first surface 110 is neighbouring, such as, a reflector plate or the backlight with reflection function are set.
Now, when the light that the light source 200 is sent initially is gone out via the first surface 110, the reflector plate or with anti-
The light guide plate will be reflexed to from the light that the first surface 110 is emitted from the first surface 110 again by penetrating the backboard of function
In 100.The side 130 is the incidence surface of the light guide plate 100.
The first micro-structural subelement 1111 closest apart from first symmetry axis 152 with it is symmetrical apart from described first
The second nearest micro-structural subelement 1112 of axle 152 is intersecting, and joining is located on first intersecting lens 151.Preferably, often
The corresponding light source 200 of individual first microstructure unit 111 is set, the joining apart from the exiting surface of the light source 200 two
The distance of the end points at end is equal.Thus, can be more uniformly by described from the light of the light extraction surface launching of the light source 200
One micro-structural subelement 1111 and the second micro-structural subelement 1112 equably spread.
In the light guide plate 100, the first micro-structural subelement 1111 in first microstructure unit 111 with it is adjacent
The first microstructure unit 111 in the second micro-structural subelement 1112 it is intersecting.Referring to Fig. 3, first microstructure unit
The first micro-structural subelement 1111 in 111 and the second micro-structural subelement 1112 in the first adjacent microstructure unit 111
Be it is intersecting, therefore, the first micro-structural subelement 1111 and the first adjacent micro-structural list of first microstructure unit 111
The second micro-structural subelement 1112 in member 111 forms the micro-structural of more crypto set in intersection so that from the light guide plate 100
The first surface 110 be emitted light it is more uniform.
Preferably, the equal length of each first micro-structural subelement 1111, the length of each second micro-structural subelement 1112
It is equal.
The side 130 is crossed to form the second intersecting lens 153 with the second surface 120, and the second surface 120 is neighbouring
Multiple second microstructure units 121 are set on the position of the side 130, and each second microstructure unit 121 includes a plurality of the
Three micro-structural subelements 1211 and a plurality of 4th micro-structural subelement 1212.The 3rd micro-structural subelement 1211 is mutually flat
OK, the 4th micro-structural subelement 1212 is parallel to each other, the 3rd micro-structural subelement 1211 and the 4th micro-structural
Subelement 1212 is symmetrical on the second symmetry axis 154, and second symmetry axis 154 is perpendicular to second intersecting lens 153.It is described
The 3rd acute angle, the 4th micro-structural subelement are formed between 3rd micro-structural subelement 1211 and second intersecting lens 153
The 4th acute angle is formed between 1212 and second intersecting lens 153.In one embodiment, the 3rd acute angle is equal to described the
Four acute angles.It is to be appreciated that the angle of the 3rd acute angle and the 4th acute angle can be adjusted according to being actually needed, with
So that the light being emitted from the exiting surface of the light guide plate 100 is more uniform.
The threeth micro-structural subelement 1211 closest apart from second symmetry axis 154 with it is symmetrical apart from described second
The 4th closest micro-structural subelement 1212 of axle 154 is intersecting, writes joining and is located on second intersecting lens 153.It is preferred that
Ground, the corresponding light source 200 of second microstructure unit 121 are set, exiting surface of the joining apart from the light source 200
Both ends end-point distances it is equal.Thus, can be more uniformly described from the light of the light extraction surface launching of the light source 200
3rd micro-structural subelement 1211 and the 4th micro-structural subelement 1212 equably spread.
Preferably, the 3rd micro-structural subelement 1211 in the second micro-structural subelement 121 and adjacent second micro-
The 4th micro-structural subelement 1212 in structural sub-units 121 is intersecting.
In the present embodiment, the equal length of each 3rd micro-structural subelement 1211, each 4th micro-structural subelement
1212 equal length.
Preferably, in the present embodiment, the first micro-structural subelement 1111, the second micro-structural subelement
1112nd, the 3rd micro-structural subelement 1211 and the 4th micro-structural subelement 1212 are triangular prism structure.That is, it is described
First micro-structural subelement 1111, the second micro-structural subelement 1112, the 3rd micro-structural subelement 1211 and described
The section parallel with the side 130 of 4th micro-structural subelement 1212 is triangle.
Present invention also offers a kind of backlight module 10, the backlight module 10 includes light guide plate 100 and multiple light sources
200.The light source 200 is set adjacent to the side of the light guide plate 100, and the light guide plate 100 refers to foregoing to the leaded light
The description of plate 100, will not be repeated here.Preferably, it is parallel to be centrally located at first symmetry axis 152 for the light source 200.
Light guide plate 100 provided by the invention and the backlight module 10 for including the light guide plate 100, the light guide plate 100 wrap
First surface 110, second surface 120 and side 130 are included, the first surface 110 is oppositely arranged with the second surface 120,
Intersect respectively with the first surface 110 and the second surface 120 side 130.The side 130 and first table
Face 110 is crossed to form the first intersecting lens 151.The first surface 110 sets multiple first on the position of the side 130
Microstructure unit 111, each first microstructure unit 111 include a plurality of first micro-structural subelement 1111 and a plurality of second micro- knot
Structure subelement 1112, the first micro-structural subelement 1111 are parallel to each other, and the second micro-structural subelement 1112 is mutually flat
OK, the first micro-structural subelement 1111 and the second micro-structural subelement 1112 are symmetrical on the first symmetry axis 152.Institute
The first symmetry axis 152 is stated perpendicular to first intersecting lens 151, and the first micro-structural subelement 1111 and first phase
The first acute angle is formed between intersection 151, is formed between the second micro-structural subelement 152 and first intersecting lens 151
Two acute angles.Intersect with prior art, light guide plate 100 of the invention passes through the neighbouring side 130 on the first surface 110
Position on multiple first micro-structurals 111 are set, the light launched from the light source 200 occurs first micro-structural 111
Scattering, so that the light of the exiting surface outgoing of the light guide plate 100 is more uniform.And then to use the light guide plate 100
Liquid crystal display device there is preferable display effect.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (8)
1. a kind of light guide plate, it is characterised in that the light guide plate includes first surface, second surface and side, first table
Face is oppositely arranged with the second surface, and the side is intersected with the first surface and the second surface respectively, the side
Face and the first surface are crossed to form the first intersecting lens, and the first surface sets multiple the on the position of the side
One microstructure unit, the corresponding light source of each first microstructure unit set and including a plurality of first micro-structural subelements and more
Bar the second micro-structural subelement, the first micro-structural subelement is parallel to each other and equal length, and the second micro-structural is single
Member is parallel to each other and equal length, and the length of the first micro-structural subelement and the length of the second micro-structural subelement
Equal, the first micro-structural subelement and the second micro-structural subelement are on the first symmetrical axial symmetry, apart from described the
One symmetrical wheelbase closest the second micro-structural of first symmetry axis with a distance from from the first nearest micro-structural subelement
Unit intersects, and joining is located on first intersecting lens, and the both ends of the exiting surface of light source shown in joining distance
End points distance it is equal, first symmetry axis perpendicular to first intersecting lens, and the first micro-structural subelement with
The first acute angle is formed between first intersecting lens, is formed between the second micro-structural subelement and first intersecting lens
Two acute angles, first the first micro-structural subelement and first to be sorted along same direction in two neighboring first microstructure unit
Individual second micro-structural subelement intersects, and along the same direction sequence last first micro-structural subelement with most
The latter the second micro-structural subelement intersects.
2. light guide plate as claimed in claim 1, it is characterised in that the first micro-structural in first microstructure unit is single
First the second micro-structural subelement with the first adjacent microstructure unit intersects.
3. light guide plate as claimed in claim 1, it is characterised in that the side is crossed to form the second phase with the second surface
Intersection, the second surface set multiple second microstructure units, each second micro-structural list on the position of the side
Member includes a plurality of 3rd micro-structural subelement and a plurality of 4th micro-structural subelement, and the 3rd micro-structural subelement is mutually flat
OK, the 4th micro-structural subelement is parallel to each other, and the 3rd micro-structural subelement closes with the 4th micro-structural subelement
In the second symmetrical axial symmetry, second symmetry axis perpendicular to second intersecting lens, and the 3rd micro-structural subelement with
The 3rd acute angle is formed between second intersecting lens, the is formed between the 4th micro-structural subelement and second intersecting lens
Four acute angles.
4. light guide plate as claimed in claim 3, it is characterised in that the threeth micro- knot closest apart from second symmetry axis
Structure subelement intersects with apart from the 4th closest micro-structural subelement of second symmetry axis, and intersection point is located at described second
On intersecting lens.
5. light guide plate as claimed in claim 3, it is characterised in that the 3rd micro-structural in second microstructure unit is single
First the 4th micro-structural subelement with the second adjacent microstructure unit intersects.
6. light guide plate as claimed in claim 3, it is characterised in that respectively state the equal length of the 3rd micro-structural subelement, each
The equal length of four micro-structural subelements.
7. a kind of backlight module, it is characterised in that the backlight module includes light guide plate and multiple light sources, and the light source is adjacent to institute
The side for stating light guide plate is set, and the light guide plate is the light guide plate as described in claim 1 to 6 any one.
8. backlight module as claimed in claim 7, it is characterised in that corresponding first microstructure unit of a light source is set
Put, and the center line of the light source is parallel with first symmetry axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174667.8A CN104749687B (en) | 2015-04-14 | 2015-04-14 | Light guide plate and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174667.8A CN104749687B (en) | 2015-04-14 | 2015-04-14 | Light guide plate and backlight module |
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| Publication Number | Publication Date |
|---|---|
| CN104749687A CN104749687A (en) | 2015-07-01 |
| CN104749687B true CN104749687B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510174667.8A Active CN104749687B (en) | 2015-04-14 | 2015-04-14 | Light guide plate and backlight module |
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| CN (1) | CN104749687B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093388A (en) * | 2015-08-07 | 2015-11-25 | 武汉华星光电技术有限公司 | Light guide plate and backlight module provided with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580901A (en) * | 2003-08-14 | 2005-02-16 | 鸿富锦精密工业（深圳）有限公司 | Back light assembly and its light guide board |
| CN101755167A (en) * | 2007-06-12 | 2010-06-23 | 欧姆龙株式会社 | Surface light source apparatus |
| CN202008088U (en) * | 2010-11-12 | 2011-10-12 | 北京京东方光电科技有限公司 | Diffusion barrier film, back light module and liquid crystal display device |
| CN203082714U (en) * | 2013-02-28 | 2013-07-24 | 合肥京东方光电科技有限公司 | Backlight module and display device |
| CN103364991A (en) * | 2013-06-20 | 2013-10-23 | 京东方科技集团股份有限公司 | Backlight module and display device |
| JP2014130748A (en) * | 2012-12-28 | 2014-07-10 | Omron Corp | Light guide plate and surface light source device |
-
2015
- 2015-04-14 CN CN201510174667.8A patent/CN104749687B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580901A (en) * | 2003-08-14 | 2005-02-16 | 鸿富锦精密工业（深圳）有限公司 | Back light assembly and its light guide board |
| CN101755167A (en) * | 2007-06-12 | 2010-06-23 | 欧姆龙株式会社 | Surface light source apparatus |
| CN202008088U (en) * | 2010-11-12 | 2011-10-12 | 北京京东方光电科技有限公司 | Diffusion barrier film, back light module and liquid crystal display device |
| JP2014130748A (en) * | 2012-12-28 | 2014-07-10 | Omron Corp | Light guide plate and surface light source device |
| CN203082714U (en) * | 2013-02-28 | 2013-07-24 | 合肥京东方光电科技有限公司 | Backlight module and display device |
| CN103364991A (en) * | 2013-06-20 | 2013-10-23 | 京东方科技集团股份有限公司 | Backlight module and display device |
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| Publication number | Publication date |
|---|---|
| CN104749687A (en) | 2015-07-01 |
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