CN105042427B - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN105042427B CN105042427B CN201510495658.9A CN201510495658A CN105042427B CN 105042427 B CN105042427 B CN 105042427B CN 201510495658 A CN201510495658 A CN 201510495658A CN 105042427 B CN105042427 B CN 105042427B
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- China
- Prior art keywords
- ladder
- prismatic lenses
- diffusion sheet
- backlight module
- guide plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
-
- 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
- G02F1/133603—Direct backlight with LEDs
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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 invention discloses a backlight module. The backlight module comprises a reflector plate, a light guiding plate, a diffusion sheet, a prismatic lens, light-emitting diodes and a backboard. The light guiding plate is located on the reflector plate. The diffusion sheet is located on the light guiding plate. The prismatic lens is located on the diffusion sheet. The light-emitting diodes are located on the lateral sides of the light guiding plate. The backboard is in the shape of a box body. The upper surface and one side face of the backboard are each provided with an opening. The reflector plate, the light guiding plate, the diffusion sheet, the prismatic lens and the light-emitting diodes are all packaged in the backboard. According to the backlight module, assembling time is effectively saved, the assembly integration degree is improved, the assembling alignment manner is simple, and therefore production efficiency is improved.
Description
【Technical field】
The present invention relates to display technology field, more particularly to a kind of backlight module and display device.
【Background technology】
With developing rapidly for mobile phone industry, developing rapidly for periphery industry has also been driven.Therefore backlight module is wanted
Ask and also lifted, it is critical only that production efficiency, brightness and homogeneity etc. are required.As brightness and homogeneity depend on skill
Development in art, so the smaller input cost in other words in space for being lifted is than larger, and improve production efficiency, meet mobile phone fast
The speed that speed updates, can be such that we base oneself upon in numerous backlight module factories and unbeaten.
In the prior art, the assembling mode of backlight module is：Light guide plate is fitted with lamp bar first, then together with glue frame
Laminating, next assembles diffusion sheet again, and upper and lower prismatic lenses finally attach black mouth word glue.However, this assembling mode is more numerous
It is trivial, and each process is required for positioning alone and just can ensure that assembling accuracy rate, so just greatly reduces speed of production.
Therefore, it is necessary to a kind of new technical scheme is proposed, to solve above-mentioned technical problem.
【The content of the invention】
It is an object of the invention to provide a kind of backlight module and display device, which can effectively save installation time,
The integration degree of assembling is improved, assembling alignment mode is simple, so as to improve production efficiency.
To solve the above problems, technical scheme is as follows：
A kind of backlight module, the backlight module include：
One reflector plate；
One light guide plate, above the reflector plate；
One diffusion sheet, above the light guide plate；
One prismatic lenses, above the diffusion sheet；
One light emitting diode, positioned at the light guide plate side；
One backboard, the backboard are in cassette shapes, and the upper surface of the backboard and wherein one side are respectively provided with opening；It is described
Reflector plate, the light guide plate, the diffusion sheet, the prismatic lenses and the light emitting diode are packaged in the backboard.
Preferably, in described backlight module, the prismatic lenses include prismatic lenses and lower prismatic lenses, the lower prism
Piece is located above the diffusion sheet；The upper prismatic lenses are located above the lower prismatic lenses.
Preferably, in described backlight module, the light guide plate is stepped shape, and the light guide plate has the first rank
Ladder, the second ladder and the 3rd ladder；Wherein, the 3rd ladder is higher than second ladder, and second ladder is higher than described
First ladder；The diffusion sheet be located at first ladder above, the lower prismatic lenses be located at second ladder above and
The diffusion sheet is covered, the upper prismatic lenses are located above the 3rd ladder and cover the lower prismatic lenses.
Preferably, in described backlight module, the diffusion sheet invests first ladder by the first double faced adhesive tape
Top, the lower prismatic lenses are invested above second ladder by the second double faced adhesive tape, and the upper prismatic lenses pass through the 3rd pair
Face sticker is invested above the 3rd ladder, wherein, second double faced adhesive tape highly adds the difference of the second ladder and the first ladder
Summation, equal to summation of first double faced adhesive tape highly plus the diffusion sheet height, the 3rd double faced adhesive tape is highly plus the 3rd
The summation of the difference of ladder and the second ladder, equal to summation of second double faced adhesive tape highly plus the lower prismatic lenses height.
Preferably, in described backlight module, the reflector plate both sides are respectively provided with projection.
Preferably, in described backlight module, groove is being provided with the correspondence raised position on backboard, institute
State raised being located in the groove.
Preferably, in described backlight module, the backlight module also includes：
One glue frame, positioned at the light emitting diode side, the light emitting diode side is the side away from the light guide plate
Side.
Preferably, in described backlight module, the glue frame is invested above the reflector plate by double faced adhesive tape.
Preferably, in described backlight module, the glue frame is in strip.
A kind of display device, including backlight module and the display floater being arranged above the backlight module, the back of the body
Light module includes：
One reflector plate；
One light guide plate, above the reflector plate；
One diffusion sheet, above the light guide plate；
One prismatic lenses, above the diffusion sheet；
One light emitting diode, positioned at the light guide plate side；
One backboard, the backboard are in cassette shapes, and the upper surface of the backboard and wherein one side are respectively provided with opening；It is described
Reflector plate, the light guide plate, the diffusion sheet, the prismatic lenses and the light emitting diode are packaged in the backboard.
Hinge structure, by reflector plate, light guide plate, diffusion sheet, prismatic lenses and light emitting diode are packaged in
In backboard, installation time so just can be effectively saved, improve the integration degree of assembling, assembling alignment mode is simple, from
And improve production efficiency.
It is that the above of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, make
Describe in detail as follows.
【Description of the drawings】
Fig. 1 is the structural representation of backlight module provided in an embodiment of the present invention；
Fig. 2A and Fig. 2 B are the structural representation of backboard provided in an embodiment of the present invention；
Fig. 3 is the structural representation of reflector plate provided in an embodiment of the present invention；
Fig. 4 A and Fig. 4 B are the structural representation of light guide plate provided in an embodiment of the present invention；
Fig. 5 is the structural representation of glue frame provided in an embodiment of the present invention；
Fig. 6 is the structural representation of backlight module provided in an embodiment of the present invention.
【Specific embodiment】
The word " embodiment " used by this specification means serving as example, example or illustration.Additionally, this specification and institute
Article " one " used in attached claim can usually be interpreted to mean " one or more ", unless otherwise or
Guiding singulative is understood from context.
In embodiments of the present invention, by reflector plate, light guide plate, diffusion sheet, prismatic lenses and light emitting diode are sealed
Loaded in backboard, so just can effectively save installation time, the integration degree of assembling, assembling alignment mode letter are improved
It is single, so as to improve production efficiency.
In order to illustrate technical solutions according to the invention, illustrate below by specific embodiment.
Fig. 1 is referred to, is the structural representation of backlight module provided in an embodiment of the present invention；For convenience of description, only show
The part related to the embodiment of the present invention is gone out.
The backlight module includes：One reflector plate 100, a light guide plate 101, a diffusion sheet 102, a prismatic lenses, one light
Diode 103, an and backboard 104；Wherein, the light guide plate 101 is located above the reflector plate 100；The diffusion sheet 102
Above the light guide plate 101；The prismatic lenses are located above the diffusion sheet 102；The light emitting diode 103 is located at institute
State 101 side of light guide plate.
Fig. 2A and Fig. 2 B are referred to, is the structural representation of backboard provided in an embodiment of the present invention, the backboard 104 is in box
Shape, the wherein upper surface of the backboard 104 and one side are respectively provided with opening；The reflector plate 100, the light guide plate 101,
The diffusion sheet 102, the prismatic lenses and the light emitting diode 103 are packaged in the backboard 104.
In embodiments of the present invention, the prismatic lenses include prismatic lenses 105 and lower prismatic lenses 106, the lower prismatic lenses
106 are located above the diffusion sheet 102；The upper prismatic lenses 105 are located above the lower prismatic lenses 106.
As one embodiment of the present invention, Fig. 3 is referred to, be the structural representation of reflector plate provided in an embodiment of the present invention
Figure；100 both sides of the reflector plate are respectively provided with raised 107.Wherein, described raised 107 is solid for abutting with 104 side of the backboard
It is fixed.
As another preferred embodiment of the invention, it is provided with correspondence raised 107 position on backboard 104 recessed
Groove, described raised 107 are located in the groove, so can effectively fix the reflector plate 100.
As another preferred embodiment of the invention, Fig. 4 A and Fig. 4 B are referred to, be light guide plate provided in an embodiment of the present invention
Structural representation.The light guide plate 101 is stepped shape, and the light guide plate 101 has the first ladder 1011, the second ladder
1012nd, and the 3rd ladder 1013；Wherein, the 3rd ladder 1013 is higher than second ladder 1012, second ladder
1012 is higher than first ladder 1011；The diffusion sheet 102 is located above first ladder 1011, the lower prismatic lenses
106 are located above second ladder 1012 and cover the diffusion sheet 102, and the upper prismatic lenses 105 are located at the described 3rd
Above ladder 1013 and cover the lower prismatic lenses 106.
In embodiments of the present invention, the diffusion sheet 102 is attached at first ladder by the first double faced adhesive tape 1021
Above in the of 1011, the lower prismatic lenses 106 are attached above second ladder 1012 by the second double faced adhesive tape 1022, i.e., it is described under
There is between prismatic lenses 106 and second ladder 1,012 second double faced adhesive tape 1022, and cover that of the diffusion sheet 102
Second double faced adhesive tape 1022 is not provided between the described lower prismatic lenses 106 and the diffusion sheet 102 of a part.The upper rib
Eyeglass 105 is attached above the 3rd ladder 1013 by the 3rd double faced adhesive tape 1023, i.e., described upper prismatic lenses 105 and described
There is between three ladders 1013 the 3rd double faced adhesive tape 1023, and cover that part of the lower prismatic lenses 106 it is described on
The 3rd double faced adhesive tape 1023 is not provided between prismatic lenses 105 and the lower prismatic lenses 106.Wherein, second double faced adhesive tape
1022 height add the summation of the difference of the second ladder 1012 and the first ladder 1011, add institute equal to 1021 height of the first double faced adhesive tape
State the summation of 102 height of diffusion sheet, 1023 height of the 3rd double faced adhesive tape add the 3rd ladder 1013 and the second ladder 1012 it
Poor summation, adds the summation of 106 height of lower prismatic lenses equal to 1022 height of the second double faced adhesive tape.However, above-mentioned so set
The benefit of meter is：The diffusion sheet 102 of fitting, on prismatic lenses 105 and during lower prismatic lenses 106, it is unnecessary not produce as far as possible
Gap, to thinning module thickness, improve reliability and be all beneficial to.And the laminating type of this dislocation can allow trilamellar membrane piece
(i.e. described diffusion sheet 102, upper prismatic lenses 105 and lower prismatic lenses 106) have enough laminating length, so, can also carry
High reliability.
In embodiments of the present invention, Fig. 5 is referred to, is the structural representation of glue frame provided in an embodiment of the present invention.It is described
Backlight module also includes：One glue frame 108, the glue frame 108 are located at 103 side of the light emitting diode, the light emitting diode
103 sides are the side away from the light guide plate 101.The glue frame 108 is invested on the reflector plate 100 by double faced adhesive tape
Side.The glue frame 108 is in strip.The glue frame 108 is used to fix the light emitting diode 103.
In embodiments of the present invention, the assembling mode of backlight module is：By light emitting diode together with assembling light guiding plate,
Then in the other side that glue frame is fixed on light emitting diode, next again the diffusion sheet is attached by the first double faced adhesive tape
Above the first ladder of the light guide plate, the lower prismatic lenses are invested into the second of the light guide plate by the second double faced adhesive tape
Above ladder, the upper prismatic lenses are invested above the 3rd ladder of the light guide plate by the 3rd double faced adhesive tape, then will be anti-
Penetrate piece to be attached in the sub-fraction of light guide plate lower surface, as shown in Figure 6 by double faced adhesive tape.Then the direction of arrow such as Fig. 6 is straight
Connect and be pushed in backboard, then carrying out attaching mouth word glue.The characteristics of assembling mode is the integrated journey in whole assembling process
Degree is high, and assembling alignment mode is simple.
The embodiment of the present invention additionally provides a kind of display device, and which includes backlight module and is arranged at the backlight module
The display floater of top.The structure of the backlight module is described in detail above-mentioned, therefore is repeated no more.
In sum, the embodiment of the present invention is by by reflector plate, light guide plate, diffusion sheet, prismatic lenses and light emitting diode
It is packaged in backboard, so just can effectively saves installation time, improve the integration degree of assembling, assembles alignment mode
Simply, so as to improve production efficiency.
Although illustrating and describing the present invention, those skilled in the art relative to one or more implementations
Based on the reading to the specification and drawings and understanding it will be appreciated that equivalent variations and modification.The present invention includes all such repair
Change and modification, and be limited only by the scope of the following claims.Particularly with the various functions performed by said modules, use
It is intended to corresponding to the specified function of performing the component in the term of component as description that (for example which is functionally of equal value
) random component (unless otherwise instructed), even if in structure with the exemplary realization for performing this specification shown in this article
The open structure of the function in mode is not equal to.Although additionally, the special characteristic of this specification is relative to some realization sides
Only one in formula is disclosed, but this feature can with as being to expect and favourable for given or application-specific
One or more of other implementations other combinations of features.And, with regard to term " including ", " having ", " containing " or its deformation
For being used in specific embodiment or claim, such term is intended to the bag in the way of similar to term "comprising"
Include.
In sum, although the present invention it is disclosed above with preferred embodiment, but above preferred embodiment and be not used to limit
The system present invention, one of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various changes and profit
Adorn, therefore protection scope of the present invention is defined by the scope that claim is defined.
Claims (8)
1. a kind of backlight module, it is characterised in that the backlight module includes：
One reflector plate；
One light guide plate, above the reflector plate；
One diffusion sheet, above the light guide plate；
One prismatic lenses, above the diffusion sheet；
One light emitting diode, positioned at the light guide plate side；
One backboard, the backboard are in cassette shapes, and the upper surface of the backboard and wherein one side are respectively provided with opening；The reflection
Piece, the light guide plate, the diffusion sheet, the prismatic lenses and the light emitting diode are packaged in the backboard；
The prismatic lenses include prismatic lenses and lower prismatic lenses, and the lower prismatic lenses are located above the diffusion sheet；The upper rib
Eyeglass is located above the lower prismatic lenses；
The light guide plate is stepped shape, and the light guide plate has the first ladder, the second ladder and the 3rd ladder；Wherein, it is described
3rd ladder is higher than second ladder, and second ladder is higher than first ladder；The diffusion sheet is located at described first
Above ladder, the lower prismatic lenses are located above second ladder and cover the diffusion sheet, and the upper prismatic lenses are located at
Above 3rd ladder and cover the lower prismatic lenses.
2. backlight module according to claim 1, it is characterised in that the diffusion sheet invests institute by the first double faced adhesive tape
State above the first ladder, the lower prismatic lenses are invested above second ladder by the second double faced adhesive tape, the upper prismatic lenses
Invested above the 3rd ladder by the 3rd double faced adhesive tape, wherein, second double faced adhesive tape highly adds the second ladder and the
The summation of the difference of one ladder, equal to summation of first double faced adhesive tape highly plus the diffusion sheet height, the 3rd double faced adhesive tape is high
Degree highly adds the lower prismatic lenses height total equal to the second double faced adhesive tape plus the 3rd ladder and the summation of the difference of the second ladder
With.
3. backlight module according to claim 1, it is characterised in that the reflector plate both sides are respectively provided with projection.
4. backlight module according to claim 3, it is characterised in that be all provided with the correspondence raised position on backboard
Groove is equipped with, it is described raised in the groove.
5. backlight module according to claim 1, it is characterised in that the backlight module also includes：
One glue frame, positioned at the light emitting diode side, the light emitting diode side is the side away from the light guide plate.
6. backlight module according to claim 5, it is characterised in that the glue frame invests the reflection by double faced adhesive tape
Above piece.
7. backlight module according to claim 5, it is characterised in that the glue frame is in strip.
8. a kind of display device, including backlight module and the display floater being arranged above the backlight module, its feature exist
In the backlight module includes：
One reflector plate；
One light guide plate, above the reflector plate；
One diffusion sheet, above the light guide plate；
One prismatic lenses, above the diffusion sheet；
One light emitting diode, positioned at the light guide plate side；
One backboard, the backboard are in cassette shapes, and the upper surface of the backboard and wherein one side are respectively provided with opening；The reflection
Piece, the light guide plate, the diffusion sheet, the prismatic lenses and the light emitting diode are packaged in the backboard；
The prismatic lenses include prismatic lenses and lower prismatic lenses, and the lower prismatic lenses are located above the diffusion sheet；The upper rib
Eyeglass is located above the lower prismatic lenses；
The light guide plate is stepped shape, and the light guide plate has the first ladder, the second ladder and the 3rd ladder；Wherein, it is described
3rd ladder is higher than second ladder, and second ladder is higher than first ladder；The diffusion sheet is located at described first
Above ladder, the lower prismatic lenses are located above second ladder and cover the diffusion sheet, and the upper prismatic lenses are located at
Above 3rd ladder and cover the lower prismatic lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495658.9A CN105042427B (en) | 2015-08-13 | 2015-08-13 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510495658.9A CN105042427B (en) | 2015-08-13 | 2015-08-13 | Backlight module and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105042427A CN105042427A (en) | 2015-11-11 |
| CN105042427B true CN105042427B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510495658.9A Active CN105042427B (en) | 2015-08-13 | 2015-08-13 | Backlight module and display device |
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| CN (1) | CN105042427B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896582A (en) * | 2017-04-25 | 2017-06-27 | 武汉华星光电技术有限公司 | Backlight module and display |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4781246B2 (en) * | 2006-12-06 | 2011-09-28 | シチズン電子株式会社 | Light emitting device package, surface light emitting device and display device |
| CN201902933U (en) * | 2010-11-30 | 2011-07-20 | 深圳市中联数源电子有限公司 | LED backlight module |
| CN103629589B (en) * | 2012-08-23 | 2017-05-03 | 青岛海信电器股份有限公司 | Reflective sheet locating structure, backlight module and display equipment |
| CN203082680U (en) * | 2012-11-30 | 2013-07-24 | 京东方科技集团股份有限公司 | Backlight module and display device using same |
| CN104456302B (en) * | 2014-11-17 | 2017-03-08 | 深圳市华星光电技术有限公司 | Backlight module and display |
| CN104696826B (en) * | 2015-03-20 | 2017-12-12 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| CN104728680B (en) * | 2015-03-30 | 2017-04-19 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| CN104832835B (en) * | 2015-04-29 | 2017-06-16 | 武汉华星光电技术有限公司 | Backlight module and display |
| CN104832841A (en) * | 2015-05-19 | 2015-08-12 | 武汉华星光电技术有限公司 | Backlight unit and display device with backlight unit |
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- 2015-08-13 CN CN201510495658.9A patent/CN105042427B/en active Active
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