CN104375323B - Light guide plate, backlight module and display - Google Patents
Light guide plate, backlight module and display Download PDFInfo
- Publication number
- CN104375323B CN104375323B CN201410654551.XA CN201410654551A CN104375323B CN 104375323 B CN104375323 B CN 104375323B CN 201410654551 A CN201410654551 A CN 201410654551A CN 104375323 B CN104375323 B CN 104375323B
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- China
- Prior art keywords
- light guide
- guide plate
- backlight module
- barricade
- plate
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Planar Illumination Modules (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention discloses a kind of light guide plate, for in backlight module, the light guide plate includes plate body and two barricades being oppositely arranged, the plate body include two be oppositely arranged first when being connected to described two first between two the second sides, described two first sides be light guide plate non-incident plain edge；Described two barricades are convexly equipped in described two first sides position respectively, the barricade supports step including support level and with the support level towards opposite, the support level is located at side of the barricade towards plate body, it is described support step by the barricade dorsad the plate body side extend, the support level is used to support and position the liquid crystal panel loaded on backlight module, described to support the backboard that step is used to position the light guide plate and the backlight module, second side is used to contact light source as the plain edge that enters of the light guide plate.The invention also discloses a kind of backlight module and a kind of display.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of light guide plate, backlight module and display.
Background technology
At present, liquid crystal display device has been widely used in various electronic products as the display unit of electronic equipment
In, with the development that electronic product is lightening, the frame of electronic equipment is designed to be more and more narrow.And backlight module is then liquid crystal
An important component in display device, the frame of backlight module also certainly will be more and more narrow.
Backlight module of the prior art includes glue frame, and light guide plate is surrounded by glue frame, and lamp source flexible PCB is by hiding
Optical cement band is fixed in the light guide plate and glue frame, and blooming piece is fixed in glue frame also by shading two-sided tape.It can be seen that glue
Frame, as the supporting body of carrying light guide plate, lamp source flexible PCB and blooming piece, is the important component of backlight module.But
It is, due to the thick more and more thinner of the meat of glue frame, to be easily damaged in difficult forming, and assembling process.
Therefore, a kind of backlight module how is designed, with narrow frame, and the advantage being easily assembled to, it is that industry is persistently studied
Problem.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of light guide plate, backlight module and display so that backlight
Module and display have narrow frame, and with the advantage being easily assembled to.
To achieve these goals, embodiment of the present invention provides following technical scheme：
On the one hand, the invention provides a kind of light guide plate, in backlight module, the light guide plate to include plate body and two
The barricade being oppositely arranged, the plate body include two be oppositely arranged first when being connected to described two first between two
Individual second side, described two first sides are the non-incident plain edge of light guide plate；Described two barricades are convexly equipped in described two respectively
One side position, the barricade supports step, the support level including support level and with the support level towards opposite
Located at barricade towards the side of plate body, it is described support step by the barricade dorsad the plate body side extend, the support
Step be used for support and position the liquid crystal panel loaded on backlight module, it is described support step be used for position the light guide plate with it is described
The backboard of backlight module, second side is used to contact light source as the plain edge that enters of the light guide plate.
Wherein, each barricade is strip block.
Wherein, the gear face of wall coating reflectance coating.
Wherein, the plate body include described first while and surface when second be provided with equal photo structure so that the light guide plate
The derived light of institute is uniform, and another surface relative with the surface is coated with reflectance coating.
Wherein, each barricade includes at least two in collinear spaced block, adjacent two
Breach is formed between the block.
The present invention also provides a kind of backlight module, including backboard and blooming piece, and the backlight module includes light guide plate, institute
Stating light guide plate includes the plate body barricade relative with two, and the plate body includes two the first sides being oppositely arranged and is connected to described
During two first two second between, described two first sides are the non-incident plain edge of light guide plate；Described two barricades point
Described two first sides position is not convexly equipped in, and the barricade includes support level and supported with the support level towards opposite
Step, the support level is located at surface of the barricade towards light guide plate, and the step that supports is by the barricade face away from light guide one
Side extends, and the light guide plate is on the backboard, and the blooming piece is positioned at the described between barricade of the light guide plate
And the blooming piece is stacked with the plate body；The step that supports is fastened in the back plate edges with by the light guide plate
It is positioned on the backboard；The support level is generally aligned in the same plane with the blooming piece, and the support level is used to position
The optical sheet and the liquid crystal panel loaded on backlight module, second side are used to contact light as the plain edge that enters of the light guide plate
Source.
Wherein, each barricade includes at least two in collinear spaced block, adjacent two
Breach is formed between the block, the corresponding breach in blooming piece edge is provided with retaining sheet, the slide calliper rule piece clamping
In in the breach.
Wherein, the backlight module also includes double faced adhesive tape, and the sticking double faced adhesive tape is in surface of the barricade away from plate body
With on the slide calliper rule piece.
Wherein, the barricade is bar shaped block, and the backboard includes bottom plate and the side plate located at bottom plate, described to support step
It is held in end of the side plate away from the bottom plate.
The present invention also provides a kind of display, and the display includes described backlight module and liquid crystal panel, the liquid
Crystal panel supports locating LCD panel, and the liquid crystal panel and institute on the backlight module, and by the support level
Fixed between the support level for stating barricade by double faced adhesive tape.
Structure of the invention by the way that the light guide plate to be designed to plate body and two barricades with integrated formed structure, leads to
Cross the integrally formed barrier wall structure on light guide plate and come locating LCD panel and light guide plate and backboard so that backlight module and display
Device can simplify assembling flow path, reduce cost without frame.And make it that there is narrow frame using the display of the light guide plate
Beneficial effect.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained such as these accompanying drawings.
Fig. 1 is the light conducting plate structure schematic diagram in better embodiment of the present invention.
Fig. 2 is the light conducting plate structure schematic diagram in another embodiment of the present invention.
Fig. 3 is the schematic cross-section of the backlight module shown in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clear
Chu, it is fully described by.
Referring to Fig. 1, presently preferred embodiments of the present invention provides a kind of light guide plate 100, the backlight module for display
With the positioning of liquid crystal panel, the light guide plate 100 includes the barricade 40 that plate body 20 and two are oppositely arranged.The plate body 20 includes
Two be oppositely arranged first while 21 and 21 when being connected to described two first between two the second sides 22.Described two first
Side 21 is the non-incident plain edge of light guide plate 100；Described two barricades 40 are convexly equipped in described two positions of first side 21 and position respectively
In same plane, the barricade 40 supports step 43 including support level 41 and with the support level 41 towards opposite.Institute
Support level 41 is stated located at barricade 40 towards the side of plate body 20, the step 43 that supports is by the barricade 40 dorsad plate body 20
Side extends, and the support level 41 is used to support and position the liquid crystal panel loaded on backlight module, and the step 43 that supports is used
It is positioned in by the light guide plate 100 on the backboard of the backlight module, the entering as the light guide plate 100 of the second side 22
Plain edge is used to contact light source.
In present embodiment, the plate body 20 of the light guide plate 100 is rectangle laminated structure and is integrally formed, plate body 20 with
The formation receiving space of barricade 40, for housing blooming piece 70 (as shown in Figure 2).Blooming piece 70 can be polytype layer
It is folded to set, such as diffusion sheet, prismatic lens, polaroid.
The plate body 20 include described first at 21 and second 22 surface be provided with equal photo structure so that the light guide plate
The derived light of 100 institutes is uniform, and another surface relative with the surface is coated with reflectance coating.The outer surface of the barricade 40
Coat reflectance coating.Reflectance coating can improve the utilization rate of light.Reflectance coating can also be replaced with reflector plate 30.
In the present embodiment, the barricade 40 is that the edge of strip block and the barricade away from the plate body 20 is set
There is surface 401.The support level 41 located at barricade 40 towards the side of plate body 20, and the step surface of the support level 41
Cut with the surface 401 towards identical less than the surface 401.The step 43 that supports is located at opposite with the support level 41
Side and step surface towards plate body direction.
Referring to Fig. 2, in another embodiment of the present invention, unlike the embodiments above, each quilt of barricade 50
Even partition is at least two in the block 52 and breach 54 of collinear spaced interspersed setting, and breach 54 is located at phase
Between two adjacent blocks 52.The breach 54 is used for the blooming piece for positioning the backlight module.On each block 52
Provided with support level 55 and support step 56.
In present embodiment, the bottom surface of the breach 54 is provided with shading double faced adhesive tape (not shown), and the shading is two-sided gluing
It is connected between the blooming piece and the support level 41 of the light guide plate 100.The double faced adhesive tape is shading double faced adhesive tape, described double
Face glue is not only able to reinforce the positioning of blooming piece so that blooming piece does not depart from light guide plate 100, and shading double faced adhesive tape can also be prevented
The only light leak at breach 54.
Referring to Fig. 3, the present invention also provides a kind of backlight module, including backboard 60, blooming piece 70, light source (not shown)
And the light guide plate 100 of the first embodiment, the light guide plate 100 is on the backboard 60, and the blooming piece 70 is positioned
In the described between barricade 40 of the light guide plate 100, and the blooming piece 70 is stacked with the plate body 20, described to support
Hold step 43 be fastened in the edge of backboard 60 with by the light guide plate 100 position with the backboard 60；The support level
41 are generally aligned in the same plane with the blooming piece 70, and the support level 41 is used to position the blooming piece 70 and loaded on backlight
The liquid crystal panel 80 of module, second side 44 is used to contact light source as the plain edge that enters of the light guide plate 100.The light source is set
In on the backboard 60, and it is adjacent with second side 22 of the plate body 20.
The backboard 60 includes bottom plate 61 and side plate 62, and the step 43 that supports is held in the side plate 62 away from the bottom
The end of plate 61.The backlight module also includes double faced adhesive tape 80, and the double faced adhesive tape 80 is pasted on the barricade 40 away from plate body 20
Surface and the blooming piece 70 on.
The present invention also provides a kind of display, including described backlight module and liquid crystal panel 90, the liquid crystal panel 90
Locating LCD panel 90, and the liquid crystal panel 90 and institute are supported on the backlight module, and by the support level 41
Fixed between the support level 41 for stating barricade 40 by double faced adhesive tape 80.
The present invention is by the way that the light guide plate 100 to be designed to plate body 20 with integrated formed structure and two barricades 40
Structure, by light guide plate 100 the integrally formed structure of barricade 40 come locating LCD panel and light guide plate 100 and backboard 60,
So that backlight module and display are without frame, assembling flow path can be simplified, cost is reduced.And cause using the light guide plate
Display has the beneficial effect of narrow frame.
In the light guide plate 100 using barricade 50 of the present invention with second embodiment, the light of the backlight module
Learn the corresponding breach 54 in the edge of diaphragm 70 and be provided with retaining sheet (not shown), the slide calliper rule piece is fastened in the breach 54.
During assembling, then blooming piece 70 is placed directly on light guide plate 100 by the retaining sheet alignment notch 54 of blooming piece 70,
So that the retaining sheet of blooming piece 70 is fallen into breach 54, the positioning of blooming piece 70 in the horizontal plane is realized.The card
Piece is held with being pasted on the block 52 of the both sides of breach 54 by double faced adhesive tape.
Then again by installing liquid crystal panel in the top of blooming piece 70, the support level 55 supports locating LCD panel
90 so that blooming piece 70 is folded between liquid crystal panel 90 and light guide plate 100 and fixed by double faced adhesive tape 80 so that in assembling
During, can quickly it be positioned between blooming piece 70, liquid crystal panel 90 and light guide plate 100.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of light guide plate, in backlight module, it is characterised in that the light guide plate is oppositely arranged including plate body and two
Barricade, the plate body include two be oppositely arranged first when being connected to described two first between two the second sides,
Described two first sides are the non-incident plain edge of light guide plate；Described two barricades are convexly equipped in described two first sides position respectively,
The light guide plate is formed in one, and each barricade includes at least two in collinear spaced block, phase
Breach is formed between two adjacent blocks；Each block includes support level and opposite with support level direction
Support step, the support level is located at side of the barricade towards plate body, and described to support step dorsad described by the barricade
The side extension of plate body, the support level is used to support and position the liquid crystal panel loaded on backlight module, described to support step
Backboard for positioning the light guide plate and the backlight module, second side is used to connect as the plain edge that enters of the light guide plate
Touch light source.
2. light guide plate as claimed in claim 1, it is characterised in that the gear face of wall coats reflectance coating.
3. light guide plate as claimed in claim 1, it is characterised in that the plate body include described first while and surface when second
Provided with equal photo structure so that the derived light of light guide plate institute is uniform, and another surface relative with the surface is coated with instead
Penetrate coating.
4. a kind of backlight module, including backboard and blooming piece, it is characterised in that the backlight module includes light guide plate, described
Light guide plate includes the plate body barricade relative with two, and the plate body includes two the first sides being oppositely arranged and is connected to described two
During the individual first two second between, described two first sides are the non-incident plain edge of light guide plate；Described two barricade difference
Described two first sides position is convexly equipped in, the light guide plate is formed in one, each barricade includes at least two in same
Breach is formed between the spaced block of one straight line, two adjacent blocks；Each block includes supporting table
Rank and towards opposite step is supported with the support level, the support level is located at surface of the barricade towards light guide plate, institute
State and support step and extended by the barricade face away from light guide side, the light guide plate is on the backboard, the blooming piece
It is positioned between described two relative barricades of the light guide plate and the blooming piece is stacked with the plate body；It is described
Step is supported to be fastened in the back plate edges light guide plate is positioned on the backboard；The support level and the light
Learn diaphragm to be generally aligned in the same plane, the support level is used to position the blooming piece and the liquid crystal panel loaded on backlight module,
Second side is used to contact light source as the plain edge that enters of the light guide plate.
5. backlight module as claimed in claim 4, it is characterised in that the corresponding breach in blooming piece edge is provided with
Retaining sheet, the retaining sheet is fastened in the breach.
6. backlight module as claimed in claim 5, it is characterised in that the backlight module also includes double faced adhesive tape, described two-sided
It is gluing to be affixed on surface of the barricade away from plate body and the blooming piece.
7. backlight module as claimed in claim 5, it is characterised in that the barricade is bar shaped block, the backboard includes bottom
Plate and the side plate located at bottom plate, the step that supports are held in end of the side plate away from the bottom plate.
8. a kind of display, it is characterised in that the display include backlight module as described in claim any one of 4-7 with
Liquid crystal panel, the liquid crystal panel supports locating LCD panel, and institute on the backlight module, and by the support level
Fixed between the support level for stating liquid crystal panel and the barricade by double faced adhesive tape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654551.XA CN104375323B (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and display |
| PCT/CN2014/092590 WO2016078118A1 (en) | 2014-11-17 | 2014-11-29 | Light guide plate, backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654551.XA CN104375323B (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104375323A CN104375323A (en) | 2015-02-25 |
| CN104375323B true CN104375323B (en) | 2017-09-22 |
Family
ID=52554343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410654551.XA Active CN104375323B (en) | 2014-11-17 | 2014-11-17 | Light guide plate, backlight module and display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104375323B (en) |
| WO (1) | WO2016078118A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204403956U (en) * | 2015-02-15 | 2015-06-17 | 北京京东方茶谷电子有限公司 | A kind of backlight module and display unit |
| CN104819440B (en) * | 2015-05-07 | 2017-12-05 | 武汉华星光电技术有限公司 | Light guide plate and preparation method thereof, backlight module |
| CN105090892A (en) * | 2015-07-22 | 2015-11-25 | 武汉华星光电技术有限公司 | Light guide element and backlight module |
| CN105301821B (en) * | 2015-11-11 | 2019-02-26 | 深圳市华星光电技术有限公司 | Liquid crystal display device |
| CN105719569B (en) * | 2016-04-11 | 2019-08-06 | 青岛海信电器股份有限公司 | A kind of display device |
| CN107543068B (en) * | 2016-06-28 | 2019-10-15 | 瑞仪光电(苏州)有限公司 | Backlight module |
| US10459155B2 (en) | 2016-06-28 | 2019-10-29 | Radiant Opto-Electronics (Suzhou) Co., Ltd. | Backlight module and display device having the same |
| CN107167940A (en) * | 2017-07-14 | 2017-09-15 | 宁波维真显示科技股份有限公司 | Liquid crystal display module and its applying method |
| CN110568665B (en) * | 2018-12-05 | 2023-03-21 | 友达光电股份有限公司 | Display device |
| CN110709741B (en) * | 2019-09-04 | 2021-11-23 | 京东方科技集团股份有限公司 | Light guide plate, display module and display device |
| CN115145071B (en) * | 2021-03-30 | 2023-11-07 | 京东方科技集团股份有限公司 | Display module and display device |
| CN115390309A (en) * | 2021-05-24 | 2022-11-25 | 合肥鑫晟光电科技有限公司 | Backlight module, display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055029A (en) * | 1996-07-23 | 2000-04-25 | Stanley Electric Co., Ltd. | Backlighting system for a liquid crystal display including an integrally molded light guiding plate and frame with a deformation absorbing means |
| CN101930094A (en) * | 2009-06-24 | 2010-12-29 | 乐金显示有限公司 | Liquid crystal display device |
| CN202204951U (en) * | 2011-09-09 | 2012-04-25 | 北京京东方光电科技有限公司 | LGP, backlight and LCD |
| CN203204272U (en) * | 2013-04-07 | 2013-09-18 | 青岛海信电器股份有限公司 | Liquid crystal module and display equipment |
| CN103676233A (en) * | 2013-11-29 | 2014-03-26 | 业成光电（深圳）有限公司 | Liquid crystal display device and touch control display device using same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101385204B1 (en) * | 2007-05-25 | 2014-04-14 | 삼성디스플레이 주식회사 | Backlight assembly and liquid crystal display having the same |
-
2014
- 2014-11-17 CN CN201410654551.XA patent/CN104375323B/en active Active
- 2014-11-29 WO PCT/CN2014/092590 patent/WO2016078118A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055029A (en) * | 1996-07-23 | 2000-04-25 | Stanley Electric Co., Ltd. | Backlighting system for a liquid crystal display including an integrally molded light guiding plate and frame with a deformation absorbing means |
| CN101930094A (en) * | 2009-06-24 | 2010-12-29 | 乐金显示有限公司 | Liquid crystal display device |
| CN202204951U (en) * | 2011-09-09 | 2012-04-25 | 北京京东方光电科技有限公司 | LGP, backlight and LCD |
| CN203204272U (en) * | 2013-04-07 | 2013-09-18 | 青岛海信电器股份有限公司 | Liquid crystal module and display equipment |
| CN103676233A (en) * | 2013-11-29 | 2014-03-26 | 业成光电（深圳）有限公司 | Liquid crystal display device and touch control display device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016078118A1 (en) | 2016-05-26 |
| CN104375323A (en) | 2015-02-25 |
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