CN206725802U - A kind of light guide plate with light diffusion effect - Google Patents
A kind of light guide plate with light diffusion effect Download PDFInfo
- Publication number
- CN206725802U CN206725802U CN201720124740.5U CN201720124740U CN206725802U CN 206725802 U CN206725802 U CN 206725802U CN 201720124740 U CN201720124740 U CN 201720124740U CN 206725802 U CN206725802 U CN 206725802U
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- China
- Prior art keywords
- guide plate
- pet
- light guide
- light
- biconial
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Abstract
It the utility model is related to a kind of light guide plate with light diffusion effect,Include PET surface layers successively from top to bottom,PMMA base layers,PET bottoms,The PET surface layers,PMMA base layers,PET bottoms are using complex method composite joint in co-extrusion film,The light directing site layer formed by laser engraving is provided with the PET bottoms,Biconial prism structure is formed on the PET surface layers,Wherein biconial prism structure passes through cutting twice respectively on described two axial directions,Make the biconial prism structure that there are a top surface and two groups of corresponding sides,The top surface is a quadratic surface,The usage amount of reflection grain can be reduced,It is improved the ductility of light guide plate in the case where not reducing reflection substrate reflectivity,In order to further be improved light guide plate ductility,This new light guide plate has reflectivity height,The characteristics of ductility is good.
Description
Technical field
Light guide plate technical field is the utility model is related to, refers in particular to a kind of light guide plate with light diffusion effect.
Background technology
Light guide plate mainly includes light entrance face, reflecting surface, exit facet and several sides, is in LCD backlight module
Important component.Its act on be light that the scattered spot light of guiding or line source are sent from a planar exit, while improve face
The uniformity of the luminous gray scale of plate and luminosity.Light guide plate is typically made of synthetic resin material, and its substrate shape is divided into flat
Template and wedge type curved face type.Light into light guide plate will be propagated according to total reflection principle in plate, when light runs into light guide plate
During the micro-structural on surface, total reflection condition is destroyed, and light is projected from light guide plate front, and density, micro-structural of different sizes are set
Meter, can make light guide plate uniformly light-emitting.Light guide board microstructure manufacturing technology is segmented into two major classes：Printing-type and non-printing formula.
Ink is imprinted on light guide plate by the former using wire mark mode, makes microstructure aspects and distribution.The latter is then directly with ejection formation
Technology, by microstructure design in mould, more simplify on processing procedure, and precision is high, is current guide-lighting plate technique main flow.
Non-printing formula preparation method is divided into again：Chemical etching method, laser straight literary style and precision optical machinery processing method etc..
In the prior art, light guide plate is continuously extruded by screw extruder, and the big plate of extrusion molding is by cutting shape
Into small Slab element, then carry out on small Slab element radium-shine processing or hot pressing processing, small Slab element process various optics depressions,
Optics salient point or lines, light guide plate need multiple working procedure and various processing equipment, and low production efficiency, production cost is higher, therefore
It is necessary to be improved.
Utility model content
A kind of light guide plate with light diffusion effect that this new purpose provides aiming at existing design deficiency, its
It is characterised by：
Include PET surface layers, PMMA base layers, PET bottoms, the PET surface layers, PMMA base layers, PET successively from top to bottom
Bottom uses complex method composite joint in co-extrusion film, and the light directing site formed by laser engraving is provided with the PET bottoms
Layer, biconial prism structure is formed on the PET surface layers, wherein biconial prism structure passes through respectively on described two axial directions
Cutting twice, makes the biconial prism structure have a top surface and two groups of corresponding sides, and the top surface is a quadratic surface；
PMMA base layers are mixed by PMMA plastics, red optics master batch, green optical master batch and reflecting material particle；
The biconial prism structure surface forms uniform nano-pore, and metal nano is re-formed after forming the nano-pore
Stratum granulosum.
Further, it is also formed with metal nano-particle layer on the light directing site layer.
Further, the magnesium fluoride film layer formed on the PET surface layers.
Further, between the thickness of the magnesium fluoride film layer is 55 nanometers to 95 nanometers.
Further, the reflecting material granular materials selects following material：Barium sulfate, titanium dioxide, zirconium dioxide.
The utility model includes PET surface layers, PMMA base layers, PET bottoms, the PET surface layers, PMMA successively from top to bottom
Base layer, PET bottoms use complex method composite joint in co-extrusion film, are provided with the PET bottoms and are formed by laser engraving
Light directing site layer, biconial prism structure is formed on the PET surface layers, wherein biconial prism structure is in described two axial directions
It is upper to pass through cutting twice respectively, make the biconial prism structure that there is a top surface and two groups of corresponding sides, the top surface to be
One quadratic surface, it is possible to reduce the usage amount of reflection grain, make light guide plate in the case where not reducing reflection substrate reflectivity
Ductility is improved, and in order to further be improved light guide plate ductility, this new light guide plate has reflectivity
High, the characteristics of ductility is good.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the utility model light guide plate；
Fig. 2 is biconial prism structure schematic diagram in the utility model light guide plate.
Embodiment
As shown in figure 1, the utility model provides a kind of light guide plate with light diffusion effect, it is characterised in that：
Include PET surface layers 1, PMMA base layers 2, PET bottoms 3, the PET surface layers 1, PMMA base layers successively from top to bottom
2nd, PET bottoms 3 use complex method composite joint in co-extrusion film, are provided with the PET bottoms 3 and are led by what laser engraving formed
Light site layer 5, biconial prism structure 4 is formed on the PET surface layers 1, wherein biconial prism structure 4 is in described two axial directions
It is upper to pass through cutting twice respectively, make the biconial prism structure that there is a top surface and two groups of corresponding sides, the top surface to be
One quadratic surface；
PMMA base layers 2 are mixed by PMMA plastics, red optics master batch, green optical master batch and reflecting material particle and made
Into reflecting material particle tentatively can be scattered to light, carry out first time scattering to light, wherein reflecting material particle is not only
One approach being scattered to light, therefore the amount when adding reflecting material particle is relative to only passing through reflecting material particle
Light guide plate is smaller, because reflecting material and the fundamental material property of basic unit are completely different, is adding less reflecting material
The stability of base material is more beneficial in the case of grain so as to postpone service life and improve stability.
As shown in Fig. 2 wherein biconial prism structure passes through cutting twice respectively on described two axial directions, make the bipyramid
Shape prism structure has a top surface 21 and two groups of corresponding sides, including first group of side 22 and second group of side 23, should
Top surface 21 is a quadratic surface；Biconial prism structure is second approach that the utility model light guide plate is scattered to light,
Wherein by the way that the structure Jing Guo cutting twice can fully utilize the light of all angles respectively on two axial directions, so as to improve light
Utilization rate.
The surface of biconial prism structure 4 forms uniform nano-pore, is formed after the nano-pore and re-forms metal and receive
Rice grain layer.The biconial prism structure surface 4 forms uniform nano-pore (nano-pore is not showed that in Fig. 1), described to receive
Metre hole is formed by electron beam exposure, nano impression or deep-UV lithography, and nano-pore is relative to biconial prism structure surface 4
Structure on the yardstick of smaller several orders of magnitude, the light further refined on the surface of biconial prism structure surface 4 dissipate
Penetrate, be the three approach that the utility model light guide plate is scattered to light.
Further, it is also formed with metal nano-particle layer on the light directing site layer 5.
Further, the magnesium fluoride film layer formed on the PET surface layers 1.
Further, between the thickness of the magnesium fluoride film layer is 55 nanometers to 95 nanometers.
Further, the reflecting material granular materials selects following material：Barium sulfate, titanium dioxide, zirconium dioxide.
After said structure, the utility model includes PET surface layers, PMMA base layers, PET bottoms successively from top to bottom,
The PET surface layers, PMMA base layers, PET bottoms use complex method composite joint in co-extrusion film, are set on the PET bottoms
There is the light directing site layer formed by laser engraving, biconial prism structure, wherein biconial prism knot are formed on the PET surface layers
Structure passes through cutting twice respectively on described two axial directions, makes the biconial prism structure corresponding with a top surface and two groups
Side, the top surface is a quadratic surface, it is possible to reduce the usage amount of reflection grain, is not reducing the feelings of reflection substrate reflectivity
It is improved the ductility of light guide plate under condition, it is originally new to lead in order to further be improved light guide plate ductility
Tabula rasa has the characteristics of reflectivity is high, ductility is good.
So far, although those skilled in the art will appreciate that herein it is detailed have shown and described it is of the present utility model more
Individual exemplary embodiment, still, still can be public according to the utility model in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derived many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The scope of type is understood that and regarded as to cover other all these variations or modifications.
Claims (5)
- A kind of 1. light guide plate with light diffusion effect, it is characterised in that：Include PET surface layers, PMMA base layers, PET bottoms, the PET surface layers, PMMA base layers, PET bottoms successively from top to bottom Using complex method composite joint in co-extrusion film, the light directing site layer formed by laser engraving, institute are provided with the PET bottoms State formation biconial prism structure, wherein biconial prism structure on PET surface layers and pass through cutting twice respectively on two axial directions, Make the biconial prism structure that there are a top surface and two groups of corresponding sides, the top surface is a quadratic surface；PMMA base layers are mixed by PMMA plastics, red optics master batch, green optical master batch and reflecting material particle；The biconial prism structure surface forms uniform nano-pore, and metal nanoparticle is re-formed after forming the nano-pore Layer.
- A kind of 2. light guide plate with light diffusion effect according to claim 1, it is characterised in that：The light directing site layer On be also formed with metal nano-particle layer.
- A kind of 3. light guide plate with light diffusion effect according to claim 1, it is characterised in that：In the PET surface layers The magnesium fluoride film layer of upper formation.
- A kind of 4. light guide plate with light diffusion effect according to claim 3, it is characterised in that：The magnesium fluoride film Between the thickness of layer is 55 nanometers to 95 nanometers.
- 5. a kind of light guide plate with light diffusion effect according to any one of Claims 1-4 claim, its feature exist In：The reflecting material granular materials selects following material：Barium sulfate, titanium dioxide, zirconium dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720124740.5U CN206725802U (en) | 2017-02-12 | 2017-02-12 | A kind of light guide plate with light diffusion effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720124740.5U CN206725802U (en) | 2017-02-12 | 2017-02-12 | A kind of light guide plate with light diffusion effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725802U true CN206725802U (en) | 2017-12-08 |
Family
ID=60500408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720124740.5U Expired - Fee Related CN206725802U (en) | 2017-02-12 | 2017-02-12 | A kind of light guide plate with light diffusion effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11841470B2 (en) | 2019-01-08 | 2023-12-12 | The Research Foundation For The State University Of New York | Prismatoid light guide |
| US12213820B2 (en) | 2020-01-17 | 2025-02-04 | The Research Foundation For The State University Of New York | High resolution and high sensitivity pet scanner with pet detector modules |
-
2017
- 2017-02-12 CN CN201720124740.5U patent/CN206725802U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11841470B2 (en) | 2019-01-08 | 2023-12-12 | The Research Foundation For The State University Of New York | Prismatoid light guide |
| US12276764B2 (en) | 2019-01-08 | 2025-04-15 | The Research Foundation For The State University Of New York | Prismatoid light guide |
| US12213820B2 (en) | 2020-01-17 | 2025-02-04 | The Research Foundation For The State University Of New York | High resolution and high sensitivity pet scanner with pet detector modules |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20220212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |