CN209674027U - Reflector plate and backlight module - Google Patents
Reflector plate and backlight module Download PDFInfo
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- CN209674027U CN209674027U CN201920286597.9U CN201920286597U CN209674027U CN 209674027 U CN209674027 U CN 209674027U CN 201920286597 U CN201920286597 U CN 201920286597U CN 209674027 U CN209674027 U CN 209674027U
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- light source
- reflector plate
- installation position
- source installation
- extinction coating
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Abstract
The utility model relates to field of display technology, disclose a kind of reflector plate and backlight module, reflector plate, including plate body base, multiple extinction coating layers, the plate body base has backlight reflecting surface, the backlight reflecting surface includes light source installation position, and multiple extinction coating layers are distributed in the periphery of the light source installation position, and has transition gap between each adjacent extinction coating layer.Backlight module, including illuminator, diffuser plate and aforementioned reflector plate, between the reflector plate and diffuser plate, the illuminator is corresponding to be mounted on the light source installation position illuminator.The reflector plate can reduce the brightness on light source periphery, can effectively solve the gridiron pattern shadow phenomenon that complete machine occurs, and improve display effect and complete machine taste.
Description
Technical field
The utility model relates to field of display technology more particularly to a kind of reflector plates and backlight module.
Background technique
Existing TVs most of on the market at present are all made of LED backlight technology, and reflector plate is the important of LED backlight mould group
Component part, according to the difference of light source installation site, LED television is also classified into two kinds of structures of side-light type and straight-down negative.
The light source of side-light type LED television is located at the side of TV backboard, and light is converted into hanging down by reflector plate and light guide plate
The light source of straight screen.The light source of direct type LED television is located at behind backboard, and light vertically injects screen after reflector plate reflects
Curtain.
The effect of reflector plate is the light that the light for issuing light source is reflected into vertical screen direction, can be deposited around each light source
In excessively bright phenomenon, shadow is had between light source and light source, such complete machine is easy to appear gridiron pattern shadow phenomenon, influences display effect
And complete machine taste.
Summary of the invention
The purpose of this utility model is to provide a kind of reflector plate and backlight module, which can reduce light source periphery
Brightness, can effectively solve complete machine occur gridiron pattern shadow phenomenon, improve display effect and complete machine taste.
Its technical solution is as follows:
Reflector plate, including plate body base, multiple extinction coating layers, the plate body base have backlight reflecting surface, the back
Light reflection surface includes light source installation position, and multiple extinction coating layers are distributed in the periphery of the light source installation position, and each adjacent
The extinction coating layer between have transition gap.
There is a plurality of convex stripe, a plurality of convex stripe is in intersection point in length and breadth on the outer surface of the extinction coating layer
Cloth.
The extinction coating layer is black ink coating layer.
The extinction coating layer is rounded or oval, polygon, sector.
Multiple extinction coating layers are distributed in the periphery of the light source installation position in a ring centered on light source installation position,
And form overlay film ring.
The overlay film ring be it is multiple, multiple overlay film rings, which are nested using light source installation position as center ring ring, to be gradually expanded.
The light source installation position be it is multiple, the periphery of each light source installation position is distributed with multiple extinction overlay films
Layer.
The backlight reflecting surface is square, and multiple light source installation positions are in longitudinally, laterally alignment.
The backlight reflecting surface includes distribution of light sources region, light source neighboring area, and the light source neighboring area is located at described
The surrounding periphery in distribution of light sources region；The light source installation position is located in the distribution of light sources region, the light source neighboring area
Multiple extinction coating layers also are provided with, and form edge overlay film band.
Edge overlay film band positioned at the light source neighboring area be it is a plurality of, a plurality of edge overlay film band is further away from light source point
Gap between its adjacent described extinction coating layer of cloth region is smaller.
Backlight module, including illuminator, diffuser plate and aforementioned reflector plate, the illuminator are located at the reflector plate and expand
Between falling apart, the illuminator is corresponding to be mounted on the light source installation position.
It further include optical diaphragm, the diffuser plate is between the illuminator and optical diaphragm.
The optical diaphragm is multilayer.
The illuminator is LED lamp bead, and the LED lamp bead is corresponding to be mounted on the light source installation position.
It should be understood that
Aforementioned "center" is opposite center, non-absolute center.
Aforementioned " transverse direction " is corresponding with the longitudinal direction of rectangular backlight reflecting surface.
Aforementioned " longitudinal direction " is corresponding with the broadside of rectangular backlight reflecting surface.
The advantages of below to the utility model or principle are illustrated:
1, this reflector plate plate body base, multiple extinction coating layers, plate body base have backlight reflecting surface, the light that light source issues
By vertically injecting screen after the backlight reflective surface of plate body base, extinction coating layer can sop up excessively bright around the light source of part
Light keep the bright dark transition of overall light consistent to reduce the brightness on light source periphery, thus effective solution complete machine occur
Gridiron pattern shadow phenomenon；The sheet emitting is ingenious in design, and manufacturing cost is relatively low, improves display effect and complete machine taste.
2, there is a plurality of convex stripe on the outer surface of extinction coating layer, keep the extinction effect of extinction coating layer more preferable.
3, the extinction coating layer extinction better effect made by black ink materials, manufacturing cost are lower.
4, extinction coating layer various forms can be adjusted according to actual needs, and the extinction effect of extinction coating layer reaches most
For ideal effect.
5, multiple extinction coating layers form the periphery that overlay film ring is distributed in light source installation position, and light source more efficiently can be made all
Bright dimming was enclosed, the bright dark transition effect of overall light is improved.
6, overlay film ring is multiple, makes the bright dark transition effect of overall light more preferably.
7, light source installation position is multiple, facilitates the installation of complete machine multiple light sources.
8, multiple light sources installation position is in longitudinally, laterally alignment, and backlight reflecting surface more matches with being square, and improves aobvious
Show effect.
9, light source neighboring area also is provided with multiple extinction coating layers, and forms edge overlay film band, improves light source neighboring area
Dimming transition effect.
10, the edge overlay film band of light source neighboring area is a plurality of, makes the dimming transition effect of light source neighboring area more
It is good.
11, this backlight module includes illuminator, diffuser plate and reflector plate, illuminator be located at reflector plate and diffuser plate it
Between, illuminator is mounted on light source installation position, is vertically penetrated after the backlight reflective surface that the light that illuminator issues passes through reflector plate
Enter diffuser plate, makes the light for injecting diffuser plate that the refraction, reflection and scattering of different directions occur, guide the scattering direction of light, from
And change the travelling route of light, it realizes that incident light sufficiently dissipates the effect that color generates optics diffusion with this, improves brightness, make light uniform
Distribution improves display effect.
12, this backlight module further includes optical diaphragm, and optical diaphragm improves the angle distribution of light, it can will be penetrated from diffuser plate
Equably converging on axial angle to the light that all angles dissipate out, that is, in positive angle, is not increasing firing association out
Axial brightness is improved in the case where luminous flux.
13, optical diaphragm is multilayer, improves brightening effect.
14, the use of LED lamp bead is illuminator, makes complete machine lightweight, slimming, save electric power, high brightness and reduce production
Cost.
Detailed description of the invention
Fig. 1 is the floor map of the utility model embodiment reflector plate.
Fig. 2 is partial enlarged view at the A of Fig. 1.
Fig. 3 is partial enlarged view at the B of Fig. 1.
Description of symbols:
10, plate body base, 11, light source installation position, 12, distribution of light sources region, 13, light source neighboring area, 20, extinction covers
Film layer, 21, overlay film ring.
Specific embodiment
The embodiments of the present invention are described in detail below.
As shown in Figure 1 to Figure 3, reflector plate, including plate body base 10, multiple extinction coating layers 20, plate body base 10 have
Backlight reflecting surface, backlight reflecting surface include light source installation position 11, and multiple extinction coating layers 20 are distributed in the week of light source installation position 11
Side, and there is transition gap between each adjacent extinction coating layer 20；The size of extinction coating layer 20 is adjusted according to actual needs
The size of transition gap between size and each adjacent extinction coating layer 20 makes the position between each adjacent extinction coating layer 20
It sets and meets actual demand with density.
Wherein, there is a plurality of convex stripe, a plurality of convex stripe is in hand in length and breadth on the outer surface of extinction coating layer 20
Fork distribution；Preferred extinction coating layer 20 is made of black ink materials, using the direct silk-screen of black ink on reflector plate, group
At screen print lattice-point；Extinction coating layer 20 is rounded or oval, polygon, the sector (extinction of oval, polygon, sector
Coating layer 20 is attached to be not shown in the figure)；
Multiple extinction coating layers 20 are distributed in the periphery of light source installation position 11 in a ring centered on light source installation position 11,
And form multiple overlay film rings 21；Multiple overlay film rings 21 are nested for center ring ring with light source installation position 11 and are gradually expanded；
Backlight reflecting surface is square, light source installation position 11 be it is multiple, multiple light sources installation position 11 in longitudinally, laterally alignment row
Column；The periphery of each light source installation position 11 is distributed with multiple extinction coating layers 20；
Backlight reflecting surface includes distribution of light sources region 12, light source neighboring area 13, and light source neighboring area 13 is positioned at light source point
The surrounding periphery in cloth region 12；Light source installation position 11 is located in distribution of light sources region 12, and light source neighboring area 13 also is provided with multiple
Extinction coating layer 20, and form a plurality of edge overlay film band；A plurality of edge overlay film band is further away from its adjacent suction of distribution of light sources region 12
Gap between light coating layer 20 is smaller.
Backlight module (attached to be not shown in the figure), including illuminator, diffuser plate and reflector plate, illuminator be located at reflector plate with
Between diffuser plate, illuminator is corresponding to be mounted on light source installation position 11.
Wherein, backlight module further includes multi-layer optical membrane, and diffuser plate is between illuminator and optical diaphragm；Illuminator
For LED lamp bead, LED lamp bead is corresponding to be mounted on light source installation position 11.
The present embodiment has the advantages that
1, this reflector plate plate body base 10, multiple extinction coating layers 20, plate body base 10 have backlight reflecting surface, light source hair
Screen is vertically injected after the backlight reflective surface that light out passes through plate body base 10, extinction coating layer 20 can sop up part light
Excessively bright light around source keeps the bright dark transition of overall light consistent, thus effective solution to reduce the brightness on light source periphery
The gridiron pattern shadow phenomenon that complete machine occurs；The sheet emitting is ingenious in design, and manufacturing cost is relatively low, improve display effect and
Complete machine taste.
2, there is a plurality of convex stripe on the outer surface of extinction coating layer 20, make the extinction effect of extinction coating layer 20 more
It is good.
3, the 20 extinction better effect of extinction coating layer made by black ink materials, manufacturing cost are lower.
4,20 various forms of extinction coating layer can be adjusted according to actual needs, and the extinction effect of extinction coating layer 20 reaches
To ideal effect.
5, multiple extinction coating layers 20 form the periphery that overlay film ring 21 is distributed in light source installation position 11, more efficiently can make
Excessively bright dimming around light source improves the bright dark transition effect of overall light.
6, overlay film ring 21 is multiple, makes the bright dark transition effect of overall light more preferably.
7, light source installation position 11 is multiple, facilitates the installation of complete machine multiple light sources.
8, multiple light sources installation position 11 is in longitudinally, laterally alignment, and backlight reflecting surface more matches with being square, and improves
Display effect.
9, light source neighboring area 13 also is provided with multiple extinction coating layers 20, and forms edge overlay film band, improves light source periphery
The dimming transition effect in region 13.
10, the edge overlay film band of light source neighboring area 13 is a plurality of, imitates the dimming transition of light source neighboring area 13
Fruit is more preferably.
11, this backlight module includes illuminator, diffuser plate and reflector plate, illuminator be located at reflector plate and diffuser plate it
Between, illuminator is mounted on light source installation position 11, vertical after the backlight reflective surface that the light that illuminator issues passes through reflector plate
Diffuser plate is injected, makes the light for injecting diffuser plate that the refraction, reflection and scattering of different directions occur, guides the scattering direction of light,
To change the travelling route of light, realizes that incident light sufficiently dissipates the effect that color generates optics diffusion with this, improve brightness, make light equal
Even distribution improves display effect.
12, this backlight module further includes optical diaphragm, and optical diaphragm improves the angle distribution of light, it can will be penetrated from diffuser plate
Equably converging on axial angle to the light that all angles dissipate out, that is, in positive angle, is not increasing firing association out
Axial brightness is improved in the case where luminous flux.
13, optical diaphragm is multilayer, improves brightening effect.
14, the use of LED lamp bead is illuminator, makes complete machine lightweight, slimming, save electric power, high brightness and reduce production
Cost.
The above are only specific embodiments of the present invention, does not limit the protection scope of the utility model with this；Not
It violates made any replacement on the basis of the utility model is conceived and improves, the category protection scope of the utility model.
Claims (14)
1. reflector plate, which is characterized in that including plate body base, multiple extinction coating layers, the plate body base reflects with backlight
Face, the backlight reflecting surface include light source installation position, and multiple extinction coating layers are distributed in the periphery of the light source installation position,
And there is transition gap between each adjacent extinction coating layer.
2. reflector plate as described in claim 1, which is characterized in that have a plurality of protrusion on the outer surface of the extinction coating layer
Striped, a plurality of convex stripe is in cross-distribution in length and breadth.
3. reflector plate as described in claim 1, which is characterized in that the extinction coating layer is black ink coating layer.
4. reflector plate as described in claim 1, which is characterized in that the extinction coating layer is rounded or oval, polygon,
It is fan-shaped.
5. reflector plate as described in claim 1, which is characterized in that multiple extinction coating layers are centered on light source installation position
It is distributed in the periphery of the light source installation position in a ring, and forms overlay film ring.
6. reflector plate as claimed in claim 5, which is characterized in that the overlay film ring be it is multiple, multiple overlay film rings are with light
Source installation position is nested for center ring ring and is gradually expanded.
7. such as reflector plate as claimed in any one of claims 1 to 6, which is characterized in that the light source installation position be it is multiple, it is each described
The periphery of light source installation position is distributed with multiple extinction coating layers.
8. reflector plate as claimed in claim 7, which is characterized in that the backlight reflecting surface is square, multiple light source peaces
Position is filled in longitudinally, laterally alignment.
9. such as reflector plate as claimed in any one of claims 1 to 6, which is characterized in that the backlight reflecting surface includes distribution of light sources
Region, light source neighboring area, the light source neighboring area are located at the surrounding periphery in the distribution of light sources region；The light source installation
Position is located in the distribution of light sources region, and the light source neighboring area also is provided with multiple extinction coating layers, and forms edge
Overlay film band.
10. reflector plate as claimed in claim 9, which is characterized in that the edge overlay film band positioned at the light source neighboring area is
A plurality of, gap of a plurality of edge overlay film band further away from distribution of light sources region between its adjacent described extinction coating layer is smaller.
11. backlight module, which is characterized in that including illuminator, diffuser plate and the described in any item reflections of claims 1 to 10
Piece, for the illuminator between the reflector plate and diffuser plate, the illuminator is corresponding to be mounted on the light source installation position
On.
12. backlight module as claimed in claim 11, which is characterized in that further include optical diaphragm, the diffuser plate is located at institute
It states between illuminator and optical diaphragm.
13. backlight module as claimed in claim 12, which is characterized in that the optical diaphragm is multilayer.
14. the backlight module as described in any top of claim 11 to 13, which is characterized in that the illuminator is LED lamp bead, institute
State that LED lamp bead is corresponding to be mounted on the light source installation position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286597.9U CN209674027U (en) | 2019-03-06 | 2019-03-06 | Reflector plate and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286597.9U CN209674027U (en) | 2019-03-06 | 2019-03-06 | Reflector plate and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209674027U true CN209674027U (en) | 2019-11-22 |
Family
ID=68570748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920286597.9U Active CN209674027U (en) | 2019-03-06 | 2019-03-06 | Reflector plate and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209674027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578560A (en) * | 2020-12-30 | 2021-03-30 | 深圳市康冠科技股份有限公司 | Method, system and related equipment for designing distribution of dots on reflector plate |
| CN113791507A (en) * | 2021-09-23 | 2021-12-14 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2019
- 2019-03-06 CN CN201920286597.9U patent/CN209674027U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578560A (en) * | 2020-12-30 | 2021-03-30 | 深圳市康冠科技股份有限公司 | Method, system and related equipment for designing distribution of dots on reflector plate |
| CN112578560B (en) * | 2020-12-30 | 2022-09-16 | 深圳市康冠科技股份有限公司 | Method, system and related equipment for designing distribution of dots on reflector plate |
| CN113791507A (en) * | 2021-09-23 | 2021-12-14 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN113791507B (en) * | 2021-09-23 | 2023-10-13 | 京东方科技集团股份有限公司 | Backlight module and display device |
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