CN104806929B - Backlight module optical film location structure, backlight module and display - Google Patents
Backlight module optical film location structure, backlight module and display Download PDFInfo
- Publication number
- CN104806929B CN104806929B CN201510173830.9A CN201510173830A CN104806929B CN 104806929 B CN104806929 B CN 104806929B CN 201510173830 A CN201510173830 A CN 201510173830A CN 104806929 B CN104806929 B CN 104806929B
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- China
- Prior art keywords
- blooming piece
- backlight module
- glue
- sliding block
- thermal deformation
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- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of backlight module optical film location structure, the backlight module includes glue frame and blooming piece, the location structure includes the positioning hole located at the blooming piece edge, sliding block and thermal deformation glue, positioning hole on the sliding block towards blooming piece is provided with locating dowel, and the face of the direction blooming piece of the glue frame is provided with stopper slot, and the glue frame is located at the blooming piece periphery, the sliding block is slided loaded in the stopper slot, and the locating dowel passes through the positioning hole；The thermal deformation mucilage binding is in the sliding block side.Backlight module and display during the present invention also provides one.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of backlight module optical film location structure, 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 blooming piece passes through shading rubber belt
It is fixed in the light guide plate and glue frame.Because the blooming piece uses PET (PET) material mostly
It is made, so needing to reserve certain expansion space for blooming piece in structure design.Headspace is bigger, occurs letter patience
Problem possibility is smaller；But simultaneously, blooming piece needs to carry out position to fix, it is to avoid diaphragm assembling deviation, crooked and cause
Light leak, diaphragm escape etc. it is bad, and position gap is smaller is more not susceptible to problems.So reserved expansion space and optics
The fixed form of diaphragm, which needs mutually to neutralize, can reduce problem described above.
The content of the invention
It is an object of the invention to provide a kind of backlight module optical film location structure and backlight module, it can ensure
Ensure the expansion space of blooming piece while blooming piece does not shift.
The present invention also provides a kind of display with the backlight module.
The present invention provides a kind of backlight module optical film location structure, and the backlight module includes glue frame and optical film
Piece, the location structure includes court on the positioning hole located at the blooming piece edge, sliding block and thermal deformation glue, the sliding block
Locating dowel is provided with to the positioning hole of blooming piece, the face of the direction blooming piece of the glue frame is provided with stopper slot, described
Glue frame is located at the blooming piece periphery, and the sliding block is slided loaded in the stopper slot, and the locating dowel passes through the positioning
Hole；The thermal deformation mucilage binding is in the sliding block side.
Wherein, the glue frame includes side wall, towards the upper surface that the surface of the blooming piece is side wall, the stopper slot
It is recessed in the upper surface.
Wherein, the sliding block includes slide body and the locating dowel located at the surface of slide body one；It is described to slide this
What body was slided is loaded in the stopper slot.
Wherein, the coefficient of expansion of the thermal deformation glue and the thermal coefficient of expansion size of the blooming piece are identical, and light
When learning diaphragm expansion, thermal deformation glue shrinks；When the blooming piece shrinks, the expansion of thermal deformation glue.
Wherein, the thermal deformation glue is identical with the hot expansibility of the blooming piece, when blooming piece expands, thermal change
Shape glue expands；When the blooming piece shrinks, thermal deformation glue shrinks.
Wherein, the thermal deformation glue is fixed on the sliding block close to the side of the glue frame.
Wherein, the thermal deformation glue is fixed on the side away from the glue frame on the sliding block.
Wherein, the blooming piece sides aligned parallel is simultaneously extended with Extendible flake away from blooming piece, and the positioning hole is located at institute
State on Extendible flake, the Extendible flake is arranged above the stopper slot.
The present invention also provides a kind of backlight module, and the backlight module includes backboard, glue frame, light guide plate and blooming piece,
The light guide plate and blooming piece loaded in the backboard, the glue frame loaded on the backboard periphery and around the light guide plate and
Blooming piece, the location structure includes the positioning hole located at the blooming piece edge, sliding block and thermal deformation glue, the cunning
Positioning hole on block towards blooming piece is provided with locating dowel, and the face of the direction blooming piece of the glue frame is provided with spacing
Groove, the glue frame is located at the blooming piece periphery, and the sliding block is slided loaded in the stopper slot, and the locating dowel passes through institute
State positioning hole；The thermal deformation mucilage binding is in the sliding block side.
The present invention also provides a kind of display, and the display includes display panel and such as any one of claim 8-9 institutes
The backlight module stated, the display panel is on the backlight module, and the display panel and the blooming piece and glue
Fixed between frame by double faced adhesive tape.
The locating dowel that the glue frame of the present invention is provided with slidable sliding block, sliding block is used to position blooming piece, and institute
Sliding block side is stated provided with thermal deformation glue, while the blooming piece deforms, the thermal deformation glue equally deforms, band
The dynamic sliding block movement, and then ensure that the locating dowel on the sliding block keeps clamping to determine with the positioning hole on the blooming piece
Position, and then ensure the positioning of the blooming piece, prevent the blooming piece from shifting.
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 accompanying drawing used required 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 schematic diagram of the backlight module plane with blooming piece location structure of the present invention.
Fig. 2 is the schematic cross-section of the backlight module with blooming piece location structure shown in Fig. 1.
Fig. 3 is the schematic cross-section of another embodiment of blooming piece location structure described in Fig. 1.
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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 and Fig. 2 are referred to, good embodiment of the invention provides a kind of backlight module optical film location structure and backlight
Module.The backlight module includes backboard 11, glue frame 13, light guide plate 15 and blooming piece 17, the light guide plate 15 and optical film
Piece 17 is successively loaded in the backboard 11, and the glue frame 13 is loaded on the periphery of backboard 11 and around the light guide plate 15 and optics
Diaphragm 17.
The backboard 11 includes bottom plate 111 and side plate 112, and the bottom plate 111 surrounds receiving space with the side plate 112,
For housing the glue frame 13, light guide plate 15 and blooming piece 17.Backlight module also includes reflecting piece 19, the reflecting piece
19 are loaded between bottom plate 111 and the light guide plate 15.
In the present embodiment, the location structure include located at the edge of blooming piece 17 positioning hole 172, sliding block 18 with
And thermal deformation glue 20.Positioning hole 172 on the sliding block 18 towards blooming piece 17 is provided with locating dowel 182.The glue frame 13
Stopper slot 132 is provided with towards the face of the blooming piece 17.The glue frame 13 is located at the periphery of blooming piece 17, the cunning
Block 18 is slided loaded in the stopper slot 132, and the locating dowel 182 passes through the positioning hole 172；The thermal deformation glue 20 is loaded on
The side of sliding block 18.
Further, the glue frame 13 includes side wall, towards the upper surface that the surface of the blooming piece 17 is side wall
131, the stopper slot 132 is opened on the cascaded surface 131.The sides aligned parallel of blooming piece 17 simultaneously prolongs away from blooming piece
Stretching has Extendible flake 171, and the positioning hole 172 is on the Extendible flake 171, and the Extendible flake 171 is arranged at the stopper slot
132 tops.
Further, the sliding block 18 includes slide body 181 and the locating dowel located at the surface of slide body 181 1
182；What the slide body 181 was slided is loaded in the stopper slot 132.The locating dowel 182 is vertical and away from the upper table
Face direction extends.
In first embodiment of the invention, the thermal expansion system of the coefficient of expansion of the thermal deformation glue 20 and the blooming piece 17
Number size is identical, and during the expansion of blooming piece 17, thermal deformation glue 20 shrinks；When the blooming piece 17 shrinks, thermal deformation glue
20 expansions.Further, the thermal deformation glue 20 is fixed on the sliding block 18 close to the side of the glue frame 13.When described
When backlight module lamp source lights heated, the blooming piece 17 can be expanded, i.e., from the expansion of the lateral non-light incidence side of light one is entered, together
Sliding block 18 described in Shi Ladong is slided to the direction of glue frame 13, then the side wall of the blooming piece 17 and the glue frame 13 away from
From reduction；The thermal deformation glue 20, which is housed, simultaneously reduces, locating dowel 182 and institute on the mobile guarantee sliding block 18 of sliding block 18
State the positioning hole 172 on blooming piece 17 and keep clamping positioning, and then ensure the positioning of the blooming piece, prevent the optics
Diaphragm shifts.On the contrary, when blooming piece 17 is shunk, the thermal deformation glue 20 is expanded, it is same to ensure described
Locating dowel and the position for telling positioning hole, prevent the blooming piece from offseting.
Referring to Fig. 3, in the second embodiment of the present invention, and unlike first embodiment, the thermal deformation glue 20 with
The hot expansibility of the blooming piece 17 is identical, and when blooming piece 17 expands, thermal deformation glue 20 expands；The blooming piece
During 17 contraction, thermal deformation glue 20 shrinks.Further, the thermal deformation glue 20 is fixed on the sliding block 18 away from the light
Learn the side of diaphragm 17.When the backlight module lamp source lights heated, the blooming piece 17 can be expanded, i.e., from entering light
One lateral non-light incidence side expansion, while pulling the sliding block 18 to be slided to the direction of glue frame 13, then the blooming piece 17
Reduce with the distance of the side wall of the glue frame 13；The expansion of thermal deformation glue 20 becomes big simultaneously, the mobile guarantee cunning of sliding block
Locating dowel 182 on block 18 keeps clamping positioning with the positioning hole 172 on the blooming piece 17, and then ensures the optical film
The positioning of piece, prevents the blooming piece from shifting.On the contrary, when blooming piece 17 is shunk, the thermal deformation glue 20
Shrink, equally ensure the locating dowel and tell the position of positioning hole, prevent the blooming piece from offseting.
The present invention also provides a kind of display, and the display includes display panel and above-described backlight module, institute
Display panel is stated on the backlight module, and by two-sided between the display panel and the blooming piece and glue frame
Glue is fixed.
The locating dowel that the glue frame of the present invention is provided with slidable sliding block, sliding block is used to position blooming piece, and institute
Sliding block side is stated provided with thermal deformation glue, while the blooming piece deforms, the thermal deformation glue equally deforms, band
The dynamic sliding block movement, and then ensure that the locating dowel on the sliding block keeps clamping to determine with the positioning hole on the blooming piece
Position, and then ensure the positioning of the blooming piece, prevent the blooming piece from shifting.
Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly
Enclose, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and will according to right of the present invention
Made equivalent variations are sought, still falls within and invents covered scope.
Claims (10)
1. a kind of backlight module optical film location structure, the backlight module includes glue frame and blooming piece, it is characterised in that
The location structure includes direction on the positioning hole located at the blooming piece edge, sliding block and thermal deformation glue, the sliding block
The positioning hole of blooming piece is provided with locating dowel, and the face of the direction blooming piece of the glue frame is provided with stopper slot, the glue
Frame is located at the blooming piece periphery, and the sliding block is slided loaded in the stopper slot, and the locating dowel passes through the positioning hole；
The thermal deformation mucilage binding is in the sliding block side.
2. backlight module optical film location structure as claimed in claim 1, it is characterised in that the glue frame includes side wall,
Towards the upper surface that the surface of the blooming piece is side wall, the stopper slot is recessed on the upper surface.
3. backlight module optical film location structure as claimed in claim 1, it is characterised in that the sliding block includes sliding this
Body and the locating dowel located at the surface of slide body one；What the slide body was slided is loaded in the stopper slot.
4. backlight module optical film location structure as claimed in claim 3, it is characterised in that the expansion of the thermal deformation glue
Coefficient is identical with the thermal coefficient of expansion size of the blooming piece, and during blooming piece expansion, thermal deformation glue shrinks；The light
When learning diaphragm contraction, the expansion of thermal deformation glue.
5. backlight module optical film location structure as claimed in claim 3, it is characterised in that the thermal deformation glue with it is described
The hot expansibility of blooming piece is identical, when blooming piece expands, the expansion of thermal deformation glue；When the blooming piece shrinks, heat
Glue is deformed to shrink.
6. backlight module optical film location structure as claimed in claim 4, it is characterised in that the thermal deformation glue is fixed on
Close to the side of the glue frame on the sliding block.
7. backlight module optical film location structure as claimed in claim 5, it is characterised in that the thermal deformation glue is fixed on
Side away from the glue frame on the sliding block.
8. backlight module optical film location structure as claimed in claim 2, it is characterised in that put down at the blooming piece edge
Row is simultaneously extended with Extendible flake away from blooming piece, and the positioning hole is on the Extendible flake, and the Extendible flake is arranged at described
Above stopper slot.
9. a kind of backlight module, including backlight module optical film location structure, the backlight module include backboard, glue frame, led
Tabula rasa and blooming piece, the light guide plate and blooming piece are loaded in the backboard, and the glue frame is loaded on the backboard periphery simultaneously
Around the light guide plate and blooming piece, it is characterised in that the backlight module optical film location structure is included located at described
Positioning hole on the positioning hole at blooming piece edge, sliding block and thermal deformation glue, the sliding block towards blooming piece is provided with positioning
Post, the face of the direction blooming piece of the glue frame is provided with stopper slot, and the glue frame is located at the blooming piece periphery, institute
State sliding block to slide loaded in the stopper slot, the locating dowel passes through the positioning hole；The thermal deformation mucilage binding is in the sliding block
Side.
10. a kind of display, it is characterised in that the display includes display panel and backlight mould as claimed in claim 9
Group, the display panel leads on the backlight module, and between the display panel and the blooming piece and glue frame
Double faced adhesive tape is crossed to fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173830.9A CN104806929B (en) | 2015-04-14 | 2015-04-14 | Backlight module optical film location structure, backlight module and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173830.9A CN104806929B (en) | 2015-04-14 | 2015-04-14 | Backlight module optical film location structure, backlight module and display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806929A CN104806929A (en) | 2015-07-29 |
| CN104806929B true CN104806929B (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510173830.9A Active CN104806929B (en) | 2015-04-14 | 2015-04-14 | Backlight module optical film location structure, backlight module and display |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017037855A1 (en) * | 2015-08-31 | 2017-03-09 | 堺ディスプレイプロダクト株式会社 | Display device |
| CN105629573B (en) * | 2016-03-08 | 2018-09-18 | 昆山龙腾光电有限公司 | Backlight module and liquid crystal display device |
| CN106371249B (en) * | 2016-11-29 | 2019-11-08 | 青岛海信电器股份有限公司 | A kind of down straight aphototropism mode set and liquid crystal display device |
| CN106681053A (en) * | 2017-01-03 | 2017-05-17 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| CN108803105B (en) * | 2017-05-02 | 2023-01-17 | 京东方科技集团股份有限公司 | Back plate, back plate assembly, backlight module and display module |
| CN108037619B (en) * | 2018-01-25 | 2020-08-04 | 惠州市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN110488537A (en) * | 2019-08-27 | 2019-11-22 | 深圳市泰坦士科技有限公司 | A kind of backlight module |
| CN110632791A (en) * | 2019-08-27 | 2019-12-31 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN110570766B (en) * | 2019-09-06 | 2021-12-10 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN110596955B (en) * | 2019-09-25 | 2022-06-07 | 北京睿智航显示科技有限公司 | Liquid crystal display device, backlight module and preparation method of backlight module |
| CN113009737B (en) * | 2019-12-19 | 2022-07-29 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN114355674B (en) * | 2022-01-13 | 2023-06-02 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
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| CN101866029A (en) * | 2010-06-09 | 2010-10-20 | 宁波激智新材料科技有限公司 | Deformation-resistant optics reflecting film, liquid crystal display device and LED lighting equipment |
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| Publication number | Publication date |
|---|---|
| CN104806929A (en) | 2015-07-29 |
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