CN106772765A - A kind of light guide plate and its manufacture method without design site - Google Patents
A kind of light guide plate and its manufacture method without design site Download PDFInfo
- Publication number
- CN106772765A CN106772765A CN201611254757.9A CN201611254757A CN106772765A CN 106772765 A CN106772765 A CN 106772765A CN 201611254757 A CN201611254757 A CN 201611254757A CN 106772765 A CN106772765 A CN 106772765A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- manufacture method
- plate body
- particle
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- 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.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of manufacture method of the light guide plate without design site, comprise the following steps：Step A：Prepare raw material；Step B：Transparent diffusion particle, and mixing and stirring are added in the raw material of step A；Step C：Mixing material after step B treatment is heated to molten state；Step D：The light conducting plate body of extrusion forming one, and form multiple projections in the upper surface of light conducting plate body.A kind of light guide plate without design site using manufacture method manufacture, including：Light conducting plate body, light conducting plate body contains diffusion particle；The upper surface of light conducting plate body is integrally formed with multiple raised.The light guide plate and its manufacture method without design site, without net-point printing, enormously simplify manufacturing procedure, improve production efficiency.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of light guide plate and its manufacture method without design site.
Background technology
During light guide plate (Light gnide plate, hereinafter referred to as LGP) is current LED panel lamp component and backlight module
One of essential optical material, its production process is as follows：
1st, sheet extrusion shaping (PMMA particles are by heat drying → high-temperature vacuum melting → die orifice extrusion molding)；
2nd, polishing (sheet forming → cut platelet → edge polishing) is cut；
3rd, site silk-screen (sheet material cleaning → ink formulation → net-point printing → drying and processing) or laser dotting machine get (plate ready
Material cleaning → laser dotting equipment gets ready → and clean plate face)；
4th, reflectance coating is pasted；
Wherein, the most important production process of light guide plate is net-point printing, need to be by following steps：Remove diaphragm → net
Point printing light guide ink → IR drying, by the treatment of the operation, can make the line source of light guide plate be converted to uniform area source.
But, the making production method of existing light guide plate mainly has the disadvantages that：
1st, a large amount of ink are used in printing process, environment is polluted；
2nd, manufacturing procedure is complicated, inefficiency.
The content of the invention
It is an object of the invention to propose a kind of light guide plate without design site and its manufacture method, without net-point printing,
Manufacturing procedure is enormously simplify, production efficiency is improve.
It is that, up to this purpose, the present invention uses following technical scheme：
A kind of manufacture method of the light guide plate without design site, comprises the following steps：
Step A：Prepare raw material；
Step B：Transparent diffusion particle, and mixing and stirring are added in the raw material of the step A；
Step C：Mixing material after step B treatment is heated to molten state；
Step D：The light conducting plate body of extrusion forming one, and form multiple projections in the upper surface of light conducting plate body.
Wherein, raw material is polyethylene terephthalate particle, makrolon particle, poly- methyl-prop in the step A
E pioic acid methyl ester particle, polyether-ether-ketone particle, PEN particle, poly-succinic beta particles, polypropylene oxide
One or more of particle.
Wherein, the diffusion particle in the step B and the percentage by weight of raw material are 10%~20%.
Preferably, the percentage by weight of the diffusion particle in the step B and raw material be 10%, 11%, 12%, 13%,
14%th, 15%, 16%, 17%, 18%, 19% or 20%.
Wherein, the diffusion particle in the step B is SiO2, TiO2, Al2O3, ZnO, MgO, ZrO2 or organosilicon.
Wherein, the heating temperature range in the step C is 180 DEG C~250 DEG C.
Preferably, the heating-up temperature in the step C be 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, 230 DEG C, 240
DEG C or 250 DEG C.
Wherein, the upper surface of the light conducting plate body in the step D extrudes to form projection through mould.
Wherein, the surface of the mould offers the groove of multiple hemisphericals or taper, and with unification group to roller to leaded light
Plate body roll forming.
A kind of light guide plate without design site manufactured using above-mentioned manufacture method, including：Light conducting plate body, the leaded light
Plate body contains diffusion particle；The upper surface of the light conducting plate body is integrally formed with multiple raised.
Wherein, the spacing between adjacent 2 projections is 0~500 μm.
Wherein, the projection is hemispherical or cone.
Beneficial effects of the present invention are：A kind of light guide plate and its manufacture method without design site proposed by the present invention, have
Effect increased the mist degree of the upper surface of light guide plate, without carrying out net-point printing, enormously simplify manufacturing procedure, improve production effect
Rate.
Brief description of the drawings
Fig. 1 is that a kind of light guide plate without design site of the preferred embodiment of the present invention forms raised structural representation.
In figure：1- light conducting plate bodies；11- is raised；2- moulds；21- grooves；The pressure rollers of 3- first；The pressure rollers of 4- second.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
Embodiment 1
Step A：Using polymethyl methacrylate particle as raw material.
Step B：Diffusion particle SiO is added in polymethyl methacrylate particle2, and mixing and stirring, wherein,
SiO2It is 12% with the percentage by weight of polymethyl methacrylate particle.
Step C：Compound is heated by heating furnace, heating-up temperature is set to 200 °, by the mixing of solid granulates
Material is heated to molten state.
Step D：The compound of molten state is squeezed into by light conducting plate body 1 by extrusion equipment, and by mould 2 and one group
Cooperation to roller forms multiple raised 11 in the upper surface of the light conducting plate body 1 of molten state.
Specifically, one group includes the first pressure roller 3 and the second pressure roller 4 setting up and down to roller, and mould 2 is fixed on the first pressure roller
3 outer peripheral face, and the outer surface of mould 2 offers multiple grooves 21.By matching somebody with somebody for mould 2, the first pressure roller 3 and the second pressure roller 4
Close, the light conducting plate body 1 to molten state is extruded, so as to form raised 11 in the upper surface of light conducting plate body 1.Through cooling down shape
Into light guide plate.
A kind of light guide plate without design site manufactured using above-mentioned manufacture method, including：Light conducting plate body 1, light guide plate
Body 1 contains diffusion particle；The upper surface of light conducting plate body 1 is integrally formed with multiple raised 11.Preferably, adjacent 2 projections
Spacing between 11 is 0~500 μm.Preferably, raised 11 hemispherical or cones.
As another embodiment of this programme, by the pressure roller 4 of multigroup first pressure roller 3 and second and the first pressure can be fixed on
Mould 2 on roller 3 coordinates carries out multiple extrusion forming to the light conducting plate body 1 of molten state, in the upper surface shape of light conducting plate body 1
Into raised the 11 of multilayer, further to improve the mist degree and diffusing reflection effect of the upper surface of light guide plate.
A kind of light guide plate and its manufacture method without design site proposed by the present invention, for the module that side entering type lights,
Without being molded site in the bottom of light guide plate, but contain diffusion particle inside light guide plate, while in the upper surface shape of light guide plate
Into multiple raised 11, the mist degree of the upper surface of light guide plate is effectively increased, form diffusing reflection, reach the purpose for upsetting light, make line
Light source is converted to area source, can reach and order the same optical effect with light guide plate design grid, greatly reduces manufacturing procedure, improves
Production efficiency.
Know-why of the invention is described above in association with specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the invention by would not require any inventive effort, these modes fall within
Within protection scope of the present invention.
Claims (10)
1. it is a kind of without design site light guide plate manufacture method, it is characterised in that comprise the following steps：
Step A：Prepare raw material；
Step B：Transparent diffusion particle, and mixing and stirring are added in the raw material of the step A；
Step C：Mixing material after step B treatment is heated to molten state；
Step D：The light conducting plate body of extrusion forming one (1), and form multiple projections (11) in the upper surface of light conducting plate body (1).
2. it is according to claim 1 it is a kind of without design site light guide plate manufacture method, it is characterised in that the step
Raw material is polyethylene terephthalate particle, makrolon particle, polymethyl methacrylate particle, polyether-ether-ketone in A
One or more of particle, PEN particle, poly-succinic beta particles, polypropylene oxide particle.
3. it is according to claim 1 it is a kind of without design site light guide plate manufacture method, it is characterised in that the step
Diffusion particle and the percentage by weight of raw material in B are 10%~20%.
4. according to claim 1 or 3 it is a kind of without design site light guide plate manufacture method, it is characterised in that it is described
Diffusion particle in step B is SiO2, TiO2, Al2O3, ZnO, MgO, ZrO2 or organosilicon.
5. it is according to claim 1 it is a kind of without design site light guide plate manufacture method, it is characterised in that the step
Heating temperature range in C is 180 DEG C~250 DEG C.
6. it is according to claim 1 it is a kind of without design site light guide plate manufacture method, it is characterised in that the step
The upper surface of the light conducting plate body (1) in D is formed raised (11) through mould (2) extruding.
7. it is according to claim 1 it is a kind of without design site light guide plate manufacture method, it is characterised in that the mould
(2) surface offers the groove (21) of multiple hemisphericals or taper, and roller is rolled into light conducting plate body (1) with unification group
Type.
8. a kind of light guide plate without design site, it is characterised in that using any one of claim 1 to 7 without design
The manufacture method manufacture of the light guide plate of site, including：Light conducting plate body (1), the light conducting plate body (1) contains diffusion particle；
The upper surface of the light conducting plate body (1) is integrally formed with multiple projections (11).
9. it is according to claim 8 a kind of without the light guide plate for designing site, it is characterised in that adjacent 2 projections
(11) spacing between is 0~500 μm.
10. according to claim 8 or claim 9 it is a kind of without design site light guide plate, it is characterised in that it is described projection (11) be in
Hemispherical or cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254757.9A CN106772765A (en) | 2016-12-30 | 2016-12-30 | A kind of light guide plate and its manufacture method without design site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254757.9A CN106772765A (en) | 2016-12-30 | 2016-12-30 | A kind of light guide plate and its manufacture method without design site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106772765A true CN106772765A (en) | 2017-05-31 |
Family
ID=58953323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254757.9A Pending CN106772765A (en) | 2016-12-30 | 2016-12-30 | A kind of light guide plate and its manufacture method without design site |
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| CN (1) | CN106772765A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367786A (en) * | 2017-08-22 | 2017-11-21 | 广东东华光电科技有限公司 | One kind exempts from silk-screen light guide plate |
| CN107526130A (en) * | 2017-08-18 | 2017-12-29 | 苏州天禄光科技股份有限公司 | The method and apparatus for manufacturing the site of light guide plate |
| CN108267810A (en) * | 2018-03-02 | 2018-07-10 | 深圳创维－Rgb电子有限公司 | A kind of light guide plate, backlight module and display equipment |
| CN109111701A (en) * | 2018-07-20 | 2019-01-01 | 台州市优天然生物材料股份有限公司 | A kind of composition preparing light guide plate |
| CN110015835A (en) * | 2019-01-28 | 2019-07-16 | 凤阳硅谷智能有限公司 | A kind of glass light guide plate and preparation method thereof |
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| CN101975360A (en) * | 2010-10-12 | 2011-02-16 | 苏州茂立光电科技有限公司 | Backlight module and liquid crystal display device |
| CN102069594A (en) * | 2009-11-05 | 2011-05-25 | 住友化学株式会社 | Manufacture method for light guide plate |
| KR20110130564A (en) * | 2010-05-28 | 2011-12-06 | 이재식 | Pattern all style manufacturing method of optical disk and him optical disk manufacture compression formation system |
| US20120026742A1 (en) * | 2010-07-30 | 2012-02-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light Guide Plate and Manufacturing Method Thereof |
| CN203385889U (en) * | 2013-07-25 | 2014-01-08 | 通达（厦门）光电科技有限公司 | Light guide plate |
| CN106019463A (en) * | 2016-07-28 | 2016-10-12 | 广州创维平面显示科技有限公司 | Composite net dot light guide plate and manufacturing method thereof, backlight module and liquid crystal displayer |
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2016
- 2016-12-30 CN CN201611254757.9A patent/CN106772765A/en active Pending
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| CN102069594A (en) * | 2009-11-05 | 2011-05-25 | 住友化学株式会社 | Manufacture method for light guide plate |
| KR20110130564A (en) * | 2010-05-28 | 2011-12-06 | 이재식 | Pattern all style manufacturing method of optical disk and him optical disk manufacture compression formation system |
| US20120026742A1 (en) * | 2010-07-30 | 2012-02-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light Guide Plate and Manufacturing Method Thereof |
| CN101975360A (en) * | 2010-10-12 | 2011-02-16 | 苏州茂立光电科技有限公司 | Backlight module and liquid crystal display device |
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| CN106019463A (en) * | 2016-07-28 | 2016-10-12 | 广州创维平面显示科技有限公司 | Composite net dot light guide plate and manufacturing method thereof, backlight module and liquid crystal displayer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526130A (en) * | 2017-08-18 | 2017-12-29 | 苏州天禄光科技股份有限公司 | The method and apparatus for manufacturing the site of light guide plate |
| US10589480B2 (en) | 2017-08-18 | 2020-03-17 | Talant Optronics (Suzhou) Co., Ltd. | Method and device for making net point of light guide plate |
| CN107367786A (en) * | 2017-08-22 | 2017-11-21 | 广东东华光电科技有限公司 | One kind exempts from silk-screen light guide plate |
| CN108267810A (en) * | 2018-03-02 | 2018-07-10 | 深圳创维－Rgb电子有限公司 | A kind of light guide plate, backlight module and display equipment |
| CN109111701A (en) * | 2018-07-20 | 2019-01-01 | 台州市优天然生物材料股份有限公司 | A kind of composition preparing light guide plate |
| CN110015835A (en) * | 2019-01-28 | 2019-07-16 | 凤阳硅谷智能有限公司 | A kind of glass light guide plate and preparation method thereof |
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