CN209280959U - A kind of diffusion barrier and backlight module with extinction micro-structure - Google Patents
A kind of diffusion barrier and backlight module with extinction micro-structure Download PDFInfo
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- CN209280959U CN209280959U CN201822245087.5U CN201822245087U CN209280959U CN 209280959 U CN209280959 U CN 209280959U CN 201822245087 U CN201822245087 U CN 201822245087U CN 209280959 U CN209280959 U CN 209280959U
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- extinction
- micro
- extinction micro
- diffusion barrier
- membrane body
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Abstract
The utility model discloses a kind of diffusion barrier and backlight module with extinction micro-structure, it include: to spread membrane body, the black light shield layer being arranged at the diffusion membrane body lamp source, the gradual change type microstructured area for setting and being arranged in the diffusion membrane body socket position, several extinction micro-structures are provided in the microstructured area, the extinction micro-structure is corresponding with socket position, and the extinction cavity disperse characteristic density is gradually reduced from socket place-centric point to the two sides of viewing area and lamp.The utility model by setting extinction micro-structure, improve visual effect, while can also guarantee the flatness of mould group by phenomena such as position that light can be never needed to out to avoid light goes out light, effectively eliminates socket hot spot, lamp eye, makes between lamp, the brightness uniformity of socket.
Description
Technical field
The utility model relates to field of liquid crystal display more particularly to a kind of diffusion barriers with extinction micro-structure and backlight mould
Group.
Background technique
Existing backlight is generally shone using multiple LED light, is injected in light guide plate from side, is passed through light guide plate and its back
Divergence of beam projects light from the front of light guide plate, reaches backlight effect by the diffusion barrier and reflectance coating in face.But close
At LED light, since light is more concentrated, brightness is larger, and the side brightness that will lead to display screen in close LED light is bigger than normal, generates
Hot spot seriously affects display effect sometimes, to reduce the usage experience of backlight display screen.
It is in FPC socket position or in diffusion barrier light source that most of the measure of socket hot spot is solved in existing backlight module
Side one end brush ink, patch shading glue etc., but such measures effect is not significant, especially in narrow frame backlight module, viewing area
It is still serious with hot spot, the lamp eye of non-display area boundary.Sawtooth knot can be arranged in light guide plate socket position in some backlight modules
Structure, but not only forming technology is complicated, but also broached-tooth design is easily broken off.It is asked so socket hot spot is still urgently to be solved
Topic.
Therefore, the prior art is defective, needs to improve.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of diffusion barrier and back with extinction micro-structure
Phenomena such as optical mode group, the position that light can be never needed to out to avoid light goes out light, effectively eliminates socket hot spot, lamp eye, improves view
Feel effect, while can also guarantee the flatness of mould group, makes between lamp, the brightness uniformity of socket.
The technical solution of the utility model is as follows: providing a kind of diffusion barrier with extinction micro-structure, comprising: diffusion barrier sheet
Body is arranged in the black light shield layer spread at membrane body lamp source and the diffusion membrane body socket position is arranged in
Gradual change type microstructured area is provided with several extinction micro-structures, the extinction micro-structure and socket position phase in the microstructured area
Corresponding, the extinction cavity disperse characteristic density is gradually reduced from socket place-centric point to the two sides of viewing area and lamp.
Further, the incidence surface or light-emitting surface of diffusion membrane body is arranged in the microstructured area.
Further, the diffusion membrane body surrounding is provided with shading glue, and the microstructured area is beyond shading glue and reaches
Viewing area, the microstructured area close to viewing area edge far from the distance of shading glue be 1.0mm-1.5mm.
Further, the extinction micro-structure is ink of the silk-screen on the diffusion membrane body, the color of the ink
For white or grey.
Further, the extinction microstructure aspects are semicircle, half elliptic, triangle or trapezoidal, and the extinction is micro-
Structure is lattice point structure, horizontal stripe structure or vertical bar structure.
Further, the extinction micro-structure with a thickness of 0.005-0.015mm.
Further, the black light shield layer is equipped at intervals with several transversals.
Further, two corners of the diffusion membrane body at lamp source are equipped with notch.
The utility model also provides a kind of backlight module, including the diffusion barrier as described above with extinction micro-structure.
Using the above scheme, the utility model can never need to out light by setting extinction micro-structure to avoid light
Phenomena such as position goes out light, effectively eliminates socket hot spot, lamp eye improves visual effect, while can also guarantee the flatness of mould group,
Make between lamp, the brightness uniformity of socket.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is semicircle net point structure extinction micro-structure.
Fig. 3 is half elliptic vertical bar structure extinction micro-structure.
Fig. 4 is triangle vertical bar structure extinction micro-structure.
Fig. 5 is half elliptic horizontal stripe structure extinction micro-structure.
Fig. 6 is trapezoidal vertical line structure extinction micro-structure.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Fig. 1 to Fig. 6 is please referred to, the utility model provides a kind of diffusion barrier with extinction micro-structure, comprising: diffusion membrane body
10, the black light shield layer 20 on the diffusion membrane body 10 and setting are set in the 10 socket position of diffusion membrane body
Gradual change type microstructured area 40.The black light shield layer is to prevent light not by bright enhancement film from lamp source to obstruct the light
Locate light leakage, several transversals is equipped at intervals on black light shield layer, from the transversal by black light shield layer severing, to alleviate stress.
Several extinction micro-structures 41 are provided in the microstructured area 40, the extinction micro-structure 41 is corresponding with socket position.
41 distribution density of extinction micro-structure is gradually reduced from socket place-centric point to the two sides of viewing area and lamp.It is bright
Light gradually weakens from socket corresponding position central point toward viewing area and the two sides of lamp, and the micro- knot of extinction is arranged according to the power of light
The distribution density of structure 41, so that socket brightness reduction and brightness uniformity.
The incidence surface or light-emitting surface of diffusion membrane body 10 is arranged in the microstructured area 40.
10 surrounding of diffusion membrane body is provided with shading glue 30, and the microstructured area 40 is beyond shading glue 30 and reaches aobvious
Show area, the microstructured area 40 far from the distance of shading glue is 1.0mm-1.5mm close to the edge of viewing area.Because socket position can produce
Raw clear zone, usually shows that shading glue toward the position of viewing area 1.0-1.5mm, microstructured area is covered in this position, effectively
Phenomena such as eliminating socket hot spot, lamp eye.
The extinction micro-structure 41 is ink of the silk-screen on the diffusion membrane body 10, and the color of the ink is white
Or grey.The white ink plays the role of reflected light, and the gray ink plays appropriate extinction.The ink
Transparent ink not can be selected, transparent ink meeting light transmission can not play the role of appropriate shading, can not use black ink, with
Exempt to form dark space because extinction effect is too strong.
Fig. 2 to Fig. 6 is please referred to, 41 shape of extinction micro-structure is semicircle, half elliptic, triangle or trapezoidal, institute
Stating extinction micro-structure 41 is lattice point structure, horizontal stripe structure or vertical bar structure.
The extinction micro-structure 41 with a thickness of 0.005-0.015mm.
Two corners of the diffusion membrane body 10 at lamp source are equipped with notch, with fixed bright enhancement film up and down, can not also set scarce
Mouth by other means fixes the bright enhancement film up and down.
The utility model also provides a kind of backlight module, including the diffusion barrier as described above with extinction micro-structure.
In conclusion the utility model can never need to out the position of light by setting extinction micro-structure to avoid light
Light out, phenomena such as effectively eliminating socket hot spot, lamp eye, improve visual effect, while can also guarantee the flatness of mould group, make lamp
Between, the brightness uniformity of socket.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (9)
1. a kind of diffusion barrier with extinction micro-structure characterized by comprising diffusion membrane body is arranged in the diffusion barrier sheet
Black light shield layer at body lamp source and the gradual change type microstructured area that the diffusion membrane body socket position is set, it is described micro-
Several extinction micro-structures are provided in structural area, the extinction micro-structure is corresponding with socket position, the extinction micro-structure point
Cloth density is gradually reduced from socket place-centric point to the two sides of viewing area and lamp.
2. a kind of diffusion barrier with extinction micro-structure according to claim 1, which is characterized in that the microstructured area setting
In the incidence surface or light-emitting surface of diffusion membrane body.
3. a kind of diffusion barrier with extinction micro-structure according to claim 1, which is characterized in that the diffusion membrane body four
It is provided with shading glue week, the microstructured area is beyond shading glue and reaches viewing area, side of the microstructured area close to viewing area
Distance of the edge away from shading glue is 1.0mm-1.5mm.
4. a kind of diffusion barrier with extinction micro-structure according to claim 1, which is characterized in that the extinction micro-structure is
Ink of the silk-screen on the diffusion membrane body, the color of the ink is white or grey.
5. a kind of diffusion barrier with extinction micro-structure according to claim 1, which is characterized in that the extinction micro-structure shape
Shape is semicircle, half elliptic, triangle or trapezoidal, and the extinction micro-structure is lattice point structure, horizontal stripe structure or vertical bar structure.
6. a kind of diffusion barrier with extinction micro-structure according to claim 1, which is characterized in that the extinction micro-structure
With a thickness of 0.005-0.015mm.
7. a kind of diffusion barrier with extinction micro-structure according to claim 1, which is characterized in that the black shading interlayer
Every equipped with several transversals.
8. a kind of diffusion barrier with extinction micro-structure according to claim 1, which is characterized in that the diffusion membrane body leans on
Two corners at low beam source are equipped with notch.
9. a kind of backlight module, which is characterized in that including the described in any item diffusions with extinction micro-structure of claim 1 to 8
Film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245087.5U CN209280959U (en) | 2018-12-28 | 2018-12-28 | A kind of diffusion barrier and backlight module with extinction micro-structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245087.5U CN209280959U (en) | 2018-12-28 | 2018-12-28 | A kind of diffusion barrier and backlight module with extinction micro-structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280959U true CN209280959U (en) | 2019-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822245087.5U Active CN209280959U (en) | 2018-12-28 | 2018-12-28 | A kind of diffusion barrier and backlight module with extinction micro-structure |
Country Status (1)
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|---|---|
| CN (1) | CN209280959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111240090A (en) * | 2020-01-15 | 2020-06-05 | 精电(河源)显示技术有限公司 | Optical film with uniform backlight, direct type backlight module and display device |
-
2018
- 2018-12-28 CN CN201822245087.5U patent/CN209280959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111240090A (en) * | 2020-01-15 | 2020-06-05 | 精电(河源)显示技术有限公司 | Optical film with uniform backlight, direct type backlight module and display device |
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