CN209342960U - A kind of backlight module - Google Patents
A kind of backlight module Download PDFInfo
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- CN209342960U CN209342960U CN201822256262.0U CN201822256262U CN209342960U CN 209342960 U CN209342960 U CN 209342960U CN 201822256262 U CN201822256262 U CN 201822256262U CN 209342960 U CN209342960 U CN 209342960U
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- backlight module
- optical film
- guide plate
- light guide
- complex optical
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Abstract
The utility model provides a kind of backlight module, is in advance attached onto optical film, double-sided adhesive, anti-dazzling screen by the setting of complex optical film group；The assembling for carrying out backlight module again reduces attaching movement, improves packaging efficiency, reduce cost of labor.Solve the problems, such as be: backlight module in the prior art assembles reflector plate, light guide plate, optical diaphragm, anti-dazzling screen into glue frame in assembly, is separation between diaphragm, individually attaches, more, the higher cost of required attaching movement.
Description
Technical field
The utility model relates to technical field of liquid crystal display more particularly to a kind of backlight modules.
Background technique
Backlight module is the important component shown in product, its performance directly affects the display effect of display.
Current backlight module assembles reflector plate, light guide plate, optical diaphragm, anti-dazzling screen, film into glue frame in assembly
It is separation between piece, individually attaches, required attaching movement is more, high labor cost when especially attaching by hand, it is desirable to reduce
Manual operations movement, raising efficiency.
Utility model content
The utility model provides a kind of backlight module, by the way that optical diaphragm fits together before assembling, then is carried on the back
The assembly of optical mode group reduces attaching movement, reduces cost.
The above-mentioned technical purpose of the utility model is achieved through the following technical solutions:
A kind of backlight module is fixed on above light guide plate including glue frame, the light guide plate in glue frame and with double-sided adhesive
Complex optical film group；The complex optical film group is made of one piece by double-sided adhesive, anti-dazzling screen and at least one optical film
's；Anti-dazzling screen is located at the upper end of complex optical film group, and double-sided adhesive is located at the lower end of complex optical film group.
Using the above structure, optical film and double-sided adhesive, anti-dazzling screen are bonded in advance, then carry out backlight mould by complex optical film group
Group assembly reduces attaching movement.
It advanced optimizes as the optical film group is located above glue frame, and sticking double faced adhesive tape is in glue frame and light guide plate surface.
Using the above structure, complex optical film group is located at the design above glue frame, and double-sided adhesive is allowed to paste glue frame
With the surface of light guide plate, the bonding area of double-sided adhesive is increased, is pasted stronger.
It advanced optimizes as the anti-dazzling screen two sides has viscosity.
Using the above structure, anti-dazzling screen two sides all has viscosity, is bonded in optical film group on one side, is bonded in cover board glass on one side
On glass.
It advanced optimizes as one side of the anti-dazzling screen far from light guide plate is black.
Using the above structure, one side of the anti-dazzling screen far from light guide plate is black, and the one side towards light guide plate can be white,
It may be black.
It advanced optimizes as the opening range that anti-dazzling screen is formed is located within the opening range of double-sided adhesive formation.
Using the above structure, the opening range of anti-dazzling screen is smaller, so the width of anti-dazzling screen is larger, can preferably block
Optical film group drains to the light of backlight module non-light-emitting area.
It advanced optimizes as the complex optical film group includes quantum dot film, and the quantum dot film is mixed by transparent colloid
The coating of resultant sub- point solidifies.
Using the above structure, quantum dot film can effectively improve the color saturation and color gamut value of display backlight mould group.
It advanced optimizes as the complex optical film group includes anti-dazzling screen, bright enhancement film, quantum dot film, diffusion from top to bottom
Film, double-sided adhesive；Prism in the bright enhancement film is vertical.
Advanced optimize for, the complex optical film group include from top to bottom anti-dazzling screen, upper bright enhancement film, quantum dot film, every
From coating, lower bright enhancement film；Barrier coat, for avoiding the glue in quantum dot film from filling lower bright enhancement film prism.
Using the above structure, quantum dot film is applied in optics module, barrier coat can exempt from the glue in quantum dot film
Fill bright enhancement film prism, diffusion barrier divergent rays and can prevent light guide plate and lower bright enhancement film from adsorbing.
It advanced optimizes as the light source of the backlight module is mounted on the side of light guide plate, and the backlight module is that side enters
Formula backlight module.
It advanced optimizes as the light source of the backlight module is mounted below light guide plate, under the backlight module is straight
Formula backlight module.
In conclusion the utility model has the following beneficial effects:
The utility model provides a kind of backlight module, by the setting of complex optical film group in advance by optical film, double-sided adhesive,
Anti-dazzling screen is attached onto；The assembling for carrying out backlight module again reduces attaching movement, improves packaging efficiency, reduce people
Work cost.Solve the problems, such as be: backlight module in the prior art assembly when, into glue frame assembly reflector plate, light guide plate, light
Diaphragm, anti-dazzling screen are learned, is separation between diaphragm, individually attaches, required attaching acts more, higher cost.
Detailed description of the invention
Fig. 1 is the schematic diagram of backlight module in the prior art.
Fig. 2 is the schematic diagram of the backlight module of the utility model.
Fig. 3 is the schematic diagram of anti-dazzling screen and double-sided adhesive in the utility model, is mainly used to illustrate the positional relationship of the two.
Fig. 4 is a kind of schematic diagram of specific embodiment of the embodiments of the present invention.
Fig. 5 is the schematic diagram of another specific embodiment of the embodiments of the present invention.
Appended drawing reference: 1, glue frame；2, light guide plate；3, complex optical film group；4, anti-dazzling screen；5, cover-plate glass；6, two-sided
Glue；7, diffusion barrier；8, quantum dot film；9, bright enhancement film；901, upper bright enhancement film；902, lower bright enhancement film；10, barrier coat；11, light
Source.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, the application
Embodiment and embodiment in feature can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
The prior art: as shown in Figure 1, backlight module in the prior art, light guide plate 2 and complex optical film group 3 are located at glue
Inside frame, in assembly, reflector plate, light guide plate 2, optical diaphragm, anti-dazzling screen 4 are assembled into glue frame 1, diaphragm is all separation,
It individually attaches, required attaching movement is more.
Embodiment 1
As shown in Fig. 2, backlight module, light guide plate 2 including glue frame 1, in glue frame 1 and it is fixed on double-sided adhesive 6
The complex optical film group 3 of 2 top of light guide plate；The complex optical film group 3 be by include double-sided adhesive 6, anti-dazzling screen 4 and at least one
What the diaphragm including optical film was made of one piece；Anti-dazzling screen 4 is located at the upper end of complex optical film group 3, and double-sided adhesive 6 is located at compound
The lower end of optical film group 3；It is understood that double-sided adhesive here can also be changed to and other kinds of can be realized stickup function
The glue of energy, such as: optical cement.
Specifically, each diaphragm can be bonded by the integrated molding in such a way that film is cut.
Preferably, the complex optical film group 3 is located at 1 top of glue frame, and double-sided adhesive 6 is pasted onto 2 table of glue frame 1 and light guide plate
Face.Complex optical film group 3 in the prior art is located inside glue frame 1, and double-sided adhesive 6 can only be pasted onto 2 surface of light guide plate；This is practical
The complex optical film group 3 of novel backlight module is located at 1 top of glue frame, and double-sided adhesive 6 can be pasted on light guide plate 2, can also glue
It is attached on glue frame 1, increases bonding area, so that complex optical film group 3 is more fastened with being bonded for light guide plate 2.
Preferably, 4 two sides of anti-dazzling screen all has viscosity, is bonded in complex optical film group 3 on one side, is bonded in cover board glass on one side
On glass 5；One side of the anti-dazzling screen 4 far from light guide plate 2 is black, and the one side towards light guide plate 2 can be white, or black
Color.
Preferably, as shown in figure 3, the width A of anti-dazzling screen 4 is not less than the width B of double-sided adhesive 6；The opening that anti-dazzling screen 4 is formed
Range is the luminous zone of backlight module, and what anti-dazzling screen 4 blocked partly belongs to the non-light-emitting area of backlight module.What anti-dazzling screen 4 was formed
Opening range is located within the opening range of the formation of double-sided adhesive 6, and the width of anti-dazzling screen 4 is larger, blocks complex optical film group 3 and drains to
The light of backlight module non-light-emitting area.
Embodiment 2
The present embodiment be on the basis of embodiment 1, to the specific composition of complex optical film group 3 in embodiment 1 carry out into
Illustrate to one step.
As shown in Fig. 2,4,5, complex optical film group 3 includes quantum dot film 8, and the quantum dot film 8 is mixed by transparent colloid
The coating of resultant sub- point solidifies.
The utility model uses the advantage of quantum dot film: the quantum dot film 8 of existing back light module unit structure can be put into 1 slot of glue frame
It is interior, in order to ensure the bonding area of anti-dazzling screen and glue frame, quantum dot film 8 more unilateral than luminous zone big 0.5mm or so, source ends sky
Between enough can be slightly larger, and there are a small distance at quantum dot film 8 edge because of the Problem of Failure of the initiations such as Long Term Contact air,
Thus the problem of leading to the quantum dot film of the luminous area edge of backlight module may fail.Quantum dot film 8 in the utility model
Among complex optical film group 3, it is placed on 1 upside of glue frame, it is more much larger than luminous zone, the failure of quantum dot film can be effectively improved
It influences.
In a kind of preferred embodiment of the present embodiment, as shown in Figure 2,4, the complex optical film group 3 is from top to bottom
Including anti-dazzling screen 4, bright enhancement film 9, quantum dot film 8, diffusion barrier 7, double-sided adhesive 6；Complex optical film group 3 is by by quantum dot colloid
Coated on diffusion barrier 7, then bright enhancement film 9 is covered, large stretch of quantum dot film with bright enhancement film function is obtained after dry, then be bonded shading
Piece 4, double-sided adhesive 6.
In another preferred embodiment of the present embodiment, as shown in Fig. 2,5, the bright enhancement film 9 includes upper bright enhancement film
901 and lower bright enhancement film 902；Quantum dot film between upper bright enhancement film 901 and lower bright enhancement film 902, and quantum dot film 8 under
It is equipped with barrier coat 10 between bright enhancement film 902, the glue in quantum dot film 8 is avoided to fill the prism of lower bright enhancement film 902.Upper bright enhancement film
901 prism structure carries 8 direction of quantum dot film, and the prism structure of lower bright enhancement film 902 is towards 8 direction of quantum dot film
, setting barrier coat 10 is used to avoid the glue in quantum dot film 8 to fill lower 902 prism of bright enhancement film；The material of barrier coat 10
Refractive index is suitable with air, is conducive to light and assembles to normal direction, and quantum dot colloid is isolated in this layer, and quantum dispensing is avoided to fill
Lower 902 prism of bright enhancement film makes prism lose bright enhancement film effect or reduces the effect added lustre to.
Backlight module provided by the utility model can be side entering type, be also possible to straight-down negative, preferably side entering type
, light source 11 is located at the side of light guide plate 2, the lightening of backlight module is better achieved.
The utility model provides a kind of backlight module, by the setting of complex optical film group in advance by optical film, double-sided adhesive,
Anti-dazzling screen is attached onto；The assembling for carrying out backlight module again reduces attaching movement, improves packaging efficiency, reduce people
Work cost.Solve the problems, such as be: backlight module in the prior art assembly when, into glue frame assembly reflector plate, light guide plate, light
Diaphragm, anti-dazzling screen are learned, is separation between diaphragm, individually attaches, required attaching acts more, higher cost.
Above-mentioned specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this
Field technical staff can according to need after reading this specification makes without creativeness the present embodiment and embodiment
The modification of contribution, but as long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of backlight module, which is characterized in that be fixed on including glue frame, the light guide plate in glue frame and with double-sided adhesive
Complex optical film group above light guide plate；The complex optical film group is by double-sided adhesive, anti-dazzling screen and at least one optical film one
It is body formed to form；Anti-dazzling screen is located at the upper end of complex optical film group, and double-sided adhesive is located at the lower end of complex optical film group.
2. backlight module according to claim 1, which is characterized in that the complex optical film group is located above glue frame, double
Face glue is in glue frame and light guide plate surface.
3. backlight module according to claim 1, which is characterized in that the anti-dazzling screen two sides all has viscosity.
4. backlight module according to claim 1, which is characterized in that one side of the anti-dazzling screen far from light guide plate is black
Color.
5. backlight module according to claim 1, which is characterized in that the opening range that anti-dazzling screen is formed is located at double-sided adhesive shape
At opening range within.
6. backlight module according to claim 1, which is characterized in that the complex optical film group includes quantum dot film, institute
Stating quantum dot film is to be covered to solidify by transparent colloid mixing quantum spot printing.
7. backlight module according to claim 1, which is characterized in that the complex optical film group includes shading from top to bottom
Piece, bright enhancement film, quantum dot film, diffusion barrier, double-sided adhesive；Prism in the bright enhancement film is vertical.
8. backlight module according to claim 7, which is characterized in that the complex optical film group includes shading from top to bottom
Piece, upper bright enhancement film, quantum dot film, barrier coat, lower bright enhancement film；Barrier coat, under avoiding the glue in quantum dot film from filling
Bright enhancement film prism.
9. backlight module according to claim 1, which is characterized in that the light source of the backlight module is mounted on light guide plate
Side, the backlight module are side entrance back modules.
10. backlight module according to claim 1, which is characterized in that the light source of the backlight module is mounted on light guide plate
Below, the backlight module is down straight aphototropism mode set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256262.0U CN209342960U (en) | 2018-12-29 | 2018-12-29 | A kind of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256262.0U CN209342960U (en) | 2018-12-29 | 2018-12-29 | A kind of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209342960U true CN209342960U (en) | 2019-09-03 |
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ID=67760240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822256262.0U Active CN209342960U (en) | 2018-12-29 | 2018-12-29 | A kind of backlight module |
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| Country | Link |
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| CN (1) | CN209342960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716347A (en) * | 2019-09-30 | 2020-01-21 | 武汉华星光电技术有限公司 | Attaching method of backlight module, backlight module and display device |
-
2018
- 2018-12-29 CN CN201822256262.0U patent/CN209342960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716347A (en) * | 2019-09-30 | 2020-01-21 | 武汉华星光电技术有限公司 | Attaching method of backlight module, backlight module and display device |
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