CN109461375A - A kind of no ear suspension type backlight module - Google Patents
A kind of no ear suspension type backlight module Download PDFInfo
- Publication number
- CN109461375A CN109461375A CN201811346380.9A CN201811346380A CN109461375A CN 109461375 A CN109461375 A CN 109461375A CN 201811346380 A CN201811346380 A CN 201811346380A CN 109461375 A CN109461375 A CN 109461375A
- Authority
- CN
- China
- Prior art keywords
- reflectance coating
- brightness enhancement
- enhancement film
- light guide
- guide plate
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a kind of no ear suspension type backlight modules, comprising: backboard, and successively overlay light guide plate and surface frame on the backboard, wherein optical diaphragm is provided on the light guide plate, the optical diaphragm includes reflectance coating and brightness enhancement film and diffusion barrier；The brightness enhancement film is connected as one with the reflectance coating, the brightness enhancement film and reflectance coating of the integrally connected in a manner of hanging buckle hanging buckle on the light guide plate；The diffusion barrier overlays in the brightness enhancement film, and the diffusion barrier is connected as one with connection type identical with brightness enhancement film with the reflectance coating；The reflectance coating is provided with two roulettes and multiple segmented openings, and two roulettes of the reflectance coating are aligned two angles of the guide-lighting plate end face in hanging buckle respectively.By optical diaphragm, the hanging buckle in a manner of hanging buckle eliminates hanger structure on light guide plate to the present invention, solves the low technical problem of optical diaphragm assembly efficiency.
Description
Technical field
The present embodiments relate to screen display technology fields, more specifically, it relates to be a kind of no ear suspension type back
Optical mode group.
Background technique
In the prior art, display backlight mould group generally comprises display panel, light guide plate, backboard and flexible circuit board
Deng, wherein when assembling optical diaphragm on light guide plate, it usually needs specific hangers could fill these optical diaphragms
Match；But these hangers influence assembly space in assembly, and based on the optical diaphragm of ear suspension type in assembly, can only incite somebody to action
Multiple optical diaphragms are successively assemblied on light guide plate, cause assembly efficiency low.
Therefore, the prior art could be improved and develop.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of no ear suspension type back
Optical mode group, it is intended to which hanging buckle, to eliminate hanger structure, it is on chip to solve optical film on light guide plate in a manner of hanging buckle by optical diaphragm
The technical issues of with inefficiency.
The technical proposal for solving the technical problem of the invention is as follows:
The present invention provides a kind of no ear suspension type backlight module, comprising: backboard, and successively overlay the light guide plate on the backboard
And surface frame, wherein be provided with optical diaphragm on the light guide plate, the optical diaphragm in a manner of hanging buckle hanging buckle in the leaded light
On plate；
The optical diaphragm includes the increasing that the reflectance coating of the guide-lighting back is arranged in and is arranged in front of the light guide plate
Bright film and diffusion barrier；
The brightness enhancement film is connected as one with the reflectance coating, and the brightness enhancement film and reflectance coating of the integrally connected are in a manner of hanging buckle
Hanging buckle is on the light guide plate；
The diffusion barrier overlays in the brightness enhancement film, and the diffusion barrier is with connection type identical with brightness enhancement film and described anti-
Film is penetrated to be connected as one；
The reflectance coating is provided with two roulettes and multiple segmented openings, and two roulettes of the reflectance coating are in hanging buckle
It is aligned two angles of the guide-lighting plate end face respectively.
Further, the brightness enhancement film is connected as one by double-sided adhesive with the reflectance coating with the rubberizing technique of alternative expression
Body.
Further, multiple first rubberizing faces are provided at the top of the brightness enhancement film, the brightness enhancement film passes through multiple described
First rubberizing face is fitted and connected with the reflectance coating.
Further, multiple second rubberizing faces are provided at the top of the diffusion barrier, the diffusion barrier passes through multiple described
Second rubberizing face is fitted and connected with the reflectance coating.
Further, multiple second rubberizing faces and multiple first rubberizing faces stagger successively arrangement.
Further, fitting is provided with multiple silica gel pads on the end face of the light guide plate, multiple silica gel pads
Position corresponds respectively to the position of multiple segmented openings.
Further, the thickness of the silica gel pad is greater than the thickness of the reflectance coating.
Further, the brightness enhancement film also cooperates hanging hole to be connected as with the technique of chain type with the reflectance coating by chaining
One.
Further, the brightness enhancement film and the reflectance coating also pass through fiber line and are connected as one with tailor's technique of alternative expression
Body.
Further, the brightness enhancement film and the reflectance coating also pass through cord and are connected as one with the binding process of stapler formula
Body.
The technical solution adopted in the present invention has the advantages that
The present invention realizes the dress of no hanger structure since reflectance coating, brightness enhancement film and diffusion barrier are combined into an entirety
With mode, to simplify internal structure, reduce assembly space；Simultaneously as it is provided with two roulettes on the reflecting film,
So that personnel only need two angles that the roulette is aligned to light guide plate that assembly can be completed on production line, facilitate on production line
The assembly of personnel, to effectively improve production efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of no ear suspension type backlight module in the embodiment of the present invention.
Fig. 2 is the enlarged diagram of A in Fig. 1.
In figure: 100, backboard；200, light guide plate；300, surface frame；210, reflectance coating；220, brightness enhancement film；230, diffusion barrier；
240, silica gel pad；221, the first rubberizing face；231, the second rubberizing face.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment:
The embodiment of the present invention provides a kind of no ear suspension type backlight module, as depicted in figs. 1 and 2, comprising: backboard 100, light guide plate
200 and surface frame 300.
The light guide plate 200 and surface frame 300 successively overlay on the backboard 100, wherein set on the light guide plate 200
Be equipped with optical diaphragm (not marking), the optical diaphragm in a manner of hanging buckle hanging buckle on the light guide plate 200.
The optical diaphragm includes reflectance coating 210, brightness enhancement film 220 and diffusion barrier 230；The shown setting of reflectance coating 210 exists
The back side of the light guide plate 200, the brightness enhancement film 220 are arranged in front of the light guide plate 200, and the diffusion barrier 230 stacks
In the brightness enhancement film 220；Wherein, the brightness enhancement film 220 is connected as one with the reflectance coating 210, the blast of integrally connected
Film 220 and reflectance coating 210 in a manner of hanging buckle hanging buckle on the light guide plate 200；Similarly, the diffusion barrier 230 is with identical
Connection type be connected as one with the reflectance coating 210；By by the reflectance coating 210, brightness enhancement film 220 and diffusion barrier
230 are combined into an entirety, so that being not necessarily to hanger structure when assembling on production line, it is only necessary to which this is integrally directly hung over institute
It states on light guide plate 200, facilitates the assembly on production line.
In addition, being provided with two roulettes (not marking) on the reflectance coating 210 and multiple segmented openings (are not marked
Note)；Wherein, two roulettes are arranged in parallel, and the distance between two parallel roulettes are adapted to the light guide plate 200
Thickness；By the way that two roulettes are arranged, when so that being assembled on production line, it is only necessary to which two roulettes are aligned the light guide plate
200 two angles, are folded when facilitating assembly, while the essence of assembly can also be improved by two roulettes
Degree.
In existing technology, when assembling light guide plate 200 and optical diaphragm, need specific hanger structure by optical diaphragm
It is fixed on the light guide plate 200, due to using hanger structure, causes to need very big assembly space inside display screen, no
It is done conducive to display screen thin；Simultaneously as using hanger structure, also need one by one to assemble optical diaphragm in assembly
On structural member, cause production efficiency low.
And the present invention by the brightness enhancement film 220 of 200 front of the subsequent reflectance coating 210 of light guide plate 200 and light guide plate and is spread
Film 230 is first combined into one, then whole to hang on the light guide plate 200, to realize the assembly method without hanger structure.
Further, as shown in Fig. 2, the brightness enhancement film 220 and the reflectance coating 210 can be by double-sided adhesives with alternative expression
Rubberizing technique is connected as one；It is embodied in, in the settable multiple first rubberizing faces 221 in the top of the brightness enhancement film 220, and
Stick double-sided adhesive in each first rubberizing face 221, the brightness enhancement film 220 can by multiple first rubberizing faces 221 with it is described
Reflectance coating 210 is fitted and connected, and forms an entirety.
In addition, the connection type based on the diffusion barrier 230 is identical as the connection type of the brightness enhancement film 220, it can be in institute
Multiple second rubberizing faces 231 are arranged in the top for stating diffusion barrier 230, and stick double-sided adhesive on each second rubberizing face 231, described
Diffusion barrier 230 can be fitted and connected by multiple second rubberizing faces 231 with the reflectance coating 210, and an entirety is formed.
It is assembled for the ease of personnel on production line, and also to by brightness enhancement film 220 and diffusion barrier when preventing assembly
230 obscure assembly, multiple second rubberizing faces 231 can be staggered successively arrangement with multiple first rubberizing faces 221；Due to described
Diffusion barrier 230 is superimposed upon above the brightness enhancement film 220, in order to guarantee the binding face of brightness enhancement film 220 and diffusion barrier 230 same
On one horizontal plane, the double-sided adhesive of different-thickness can be set on the first rubberizing face 221 and the second rubberizing face 231.
Further, as shown in Fig. 2, in order to limit position of the reflectance coating 210 on the light guide plate 200, the leaded light
Also fitting is provided with multiple silica gel pads 240 on the end face of plate 200, and the bonding position of multiple silica gel pads 240 is right respectively
The segmented openings on reflectance coating 210 should be directed at silicagel pad when the position of multiple segmented openings on reflectance coating 210, assembly
Piece 240 facilitates the assembly of personnel on production line.
Further, as shown in Fig. 2, for the ease of the reflectance coating 210 breathing, the thickness of the silica gel pad 240
It is set greater than the thickness of the reflectance coating 210；In this way, the reflectance coating 210 is allowed to have space free to contract and expand.
In other embodiment of the present invention, can by other connection types by reflectance coating 210, brightness enhancement film 220 and
Diffusion barrier 230 is integrated into a whole, such as: by the reflectance coating 210, brightness enhancement film 220 and diffusion barrier 230 with chain type
Technique is connected as one, i.e., multiple hanging holes will be arranged on reflectance coating 210, brightness enhancement film 220 and diffusion barrier 230 described, pass through
Chaining concatenates each hanging hole, so that reflectance coating 210, brightness enhancement film 220 and diffusion barrier 230 are integrated into a whole.
Similar, it can also be connected as one by fiber line with tailor's technique of alternative expression；And by cord with
The binding process of stapler formula is connected as one.
Optical diaphragm can be assembled by the following method in the embodiment of the present invention, in the way of being fitted and connected for:
Firstly, brightness enhancement film 220 and diffusion barrier 230 to be staggered and stack, and different-thickness will be sticked on the rubberizing face on each diaphragm
Double-sided adhesive, to guarantee the binding face of each rubberizing face and reflectance coating 210 in same level；
Then, the alignment of light guide plate 200 is placed in the brightness enhancement film 220, and the reflectance coating 210 is carried out along roulette
The fold of 180 degree is covered on the light guide plate 200, realizes that whole hanging buckle on the light guide plate 200, completes assembly.
In conclusion the present invention realizes nothing since reflectance coating, brightness enhancement film and diffusion barrier are combined into an entirety
The assembly method of hanger structure reduces assembly space to simplify internal structure；Simultaneously as being arranged on the reflecting film
Two roulettes, so that personnel only need two angles that the roulette is aligned to light guide plate that assembly can be completed on production line,
The assembly of personnel on production line is facilitated, to effectively improve production efficiency.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of no ear suspension type backlight module, comprising: backboard, and light guide plate and surface frame on the backboard are successively overlayed,
It is characterized in that, be provided with optical diaphragm on the light guide plate, the optical diaphragm in a manner of hanging buckle hanging buckle in the leaded light
On plate；
The optical diaphragm includes the increasing that the reflectance coating of the guide-lighting back is arranged in and is arranged in front of the light guide plate
Bright film and diffusion barrier；
The brightness enhancement film is connected as one with the reflectance coating, and the brightness enhancement film and reflectance coating of the integrally connected are in a manner of hanging buckle
Hanging buckle is on the light guide plate；
The diffusion barrier overlays in the brightness enhancement film, and the diffusion barrier is with connection type identical with brightness enhancement film and described anti-
Film is penetrated to be connected as one；
The reflectance coating is provided with two roulettes and multiple segmented openings, and two roulettes of the reflectance coating are in hanging buckle
It is aligned two angles of the guide-lighting plate end face respectively.
2. no ear suspension type backlight module according to claim 1, which is characterized in that the brightness enhancement film and the reflectance coating are logical
Double-sided adhesive is crossed to be connected as one with the rubberizing technique of alternative expression.
3. no ear suspension type backlight module according to claim 2, which is characterized in that be provided at the top of the brightness enhancement film more
A first rubberizing face, the brightness enhancement film are fitted and connected by multiple first rubberizing faces with the reflectance coating.
4. no ear suspension type backlight module according to claim 1, which is characterized in that be provided at the top of the diffusion barrier more
A second rubberizing face, the diffusion barrier are fitted and connected by multiple second rubberizing faces with the reflectance coating.
5. no ear suspension type backlight module according to claim 4, which is characterized in that multiple second rubberizing faces with it is multiple
First rubberizing face staggers successively arrangement.
6. no ear suspension type backlight module according to claim 1, which is characterized in that fitting is set on the end face of the light guide plate
Multiple silica gel pads are equipped with, the position of multiple silica gel pads corresponds respectively to the position of multiple segmented openings.
7. no ear suspension type backlight module according to claim 6, which is characterized in that the thickness of the silica gel pad is greater than institute
State the thickness of reflectance coating.
8. no ear suspension type backlight module according to claim 1, which is characterized in that the brightness enhancement film and the reflectance coating are also
Hanging hole is cooperated to be connected as one with the technique of chain type by chaining.
9. no ear suspension type backlight module according to claim 1, which is characterized in that the brightness enhancement film and the reflectance coating are also
It is connected as one by fiber line with tailor's technique of alternative expression.
10. no ear suspension type backlight module according to claim 1, which is characterized in that the brightness enhancement film and the reflectance coating
Also it is connected as one by cord with the binding process of stapler formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346380.9A CN109461375B (en) | 2018-11-13 | 2018-11-13 | Non-lug type backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346380.9A CN109461375B (en) | 2018-11-13 | 2018-11-13 | Non-lug type backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109461375A true CN109461375A (en) | 2019-03-12 |
| CN109461375B CN109461375B (en) | 2020-11-06 |
Family
ID=65610183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811346380.9A Active CN109461375B (en) | 2018-11-13 | 2018-11-13 | Non-lug type backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109461375B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133908A (en) * | 2019-04-11 | 2019-08-16 | 深圳康佳电子科技有限公司 | A kind of the modularized production method and its structure of liquid crystal display television optical element |
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| JP2009175328A (en) * | 2008-01-23 | 2009-08-06 | Dic Corp | Light shielding reflective tape and lcd module |
| CN201315140Y (en) * | 2008-12-03 | 2009-09-23 | 惠科电子（深圳）有限公司 | Ultrathin LCD |
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| CN110133908A (en) * | 2019-04-11 | 2019-08-16 | 深圳康佳电子科技有限公司 | A kind of the modularized production method and its structure of liquid crystal display television optical element |
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| Publication number | Publication date |
|---|---|
| CN109461375B (en) | 2020-11-06 |
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