CN104199138B - A kind of ultrathin lamp box light guide plate - Google Patents
A kind of ultrathin lamp box light guide plate Download PDFInfo
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- CN104199138B CN104199138B CN201410456187.6A CN201410456187A CN104199138B CN 104199138 B CN104199138 B CN 104199138B CN 201410456187 A CN201410456187 A CN 201410456187A CN 104199138 B CN104199138 B CN 104199138B
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- guide plate
- light guide
- dispersion liquid
- optical waveguide
- waveguide layer
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Abstract
The invention belongs to technical field of photoelectric material preparation, and in particular to a kind of ultrathin lamp box light guide plate.The light guide plate includes the optical waveguide layer of transparency carrier and setting on the transparent substrate, and described optical waveguide layer contains high diverging light particulate, it is characterised in that：Described high diverging light particulate is the composite particles of SiO 2 high molecular microballoon, and particle diameter is 5~20 microns, and refractive index is 1.4~2.0, and described optical waveguide layer thickness is 60~100 microns.The advantage of the invention is that：1）The technique that the present invention prepares polymer microsphere is simple, and reaction speed is fast.2）The guide-lighting uniform, light transmittance of the light guide plate of the present invention is high, excellent in optical properties.3）The present invention is by adding damage resistant auxiliary agent so that light guide plate is keeping flexible while the scratch-resistant ability on its surface can be improved.
Description
Technical field
The invention belongs to technical field of photoelectric material preparation, and in particular to a kind of ultrathin lamp box light guide plate.
Background technology
Light guide plate ultrathin lamp box has obtained increasing with its frivolous exquisite profile, outstanding equal light output efficiency
Businessman payes attention to.It, which is installed, safeguards also more convenient, is the preferable regeneration product of the old-fashioned advertising lamp box illuminated with fluorescent tube.Light guide plate
As the important component of lamp box, the uniformity and brightness to light extraction serve decisive role, most of in the market
Light guide plate is not uniform enough, and light guide effect is not good, it may appear that the picture that light and shade differs, and makes lighting effects processing uncoordinated.
Patent ZL201320197707.7 discloses a kind of ultrathin lamp box light guide plate, but without the tool for disclosing its light guide plate
Body component.
The content of the invention
For the problem of light guide effect is not good present in prior art, it is guide-lighting that the present invention provides a kind of ultrathin lamp box
Plate, while the light guide plate has good adhesion strength.
The technical scheme for realizing the object of the invention is：A kind of ultrathin lamp box light guide plate, it includes transparency carrier and setting
Optical waveguide layer on the transparent substrate, described optical waveguide layer contains high diverging light particulate, and described high diverging light particulate is titanium dioxide
The composite particles of silicon-polymer microsphere, particle diameter is 5~20 microns, and refractive index is 1.4~2.0, and described optical waveguide layer thickness is 60
~100 microns.
Preferably, the composite particles of silica-polymer microsphere of the present invention are made by following steps：
1）Free radical photo-initiation is added in methacrylate monomers, stirred, dispersion liquid I is made；
2）Silane coupler is dissolved in water, silicon dioxide granule is added, stirs, dispersion liquid II is made；
3）Dispersion liquid I and dispersion liquid II are mixed, and emulsified；
4）Photopolymerization is carried out under ultra violet lamp, irradiation time is no less than 1 minute, silica-height is made after drying
The composite particles of molecule microballoon.
Light trigger of the present invention is radical photoinitiator.Wherein, described light trigger and metering system
The mass ratio of acid monomers（0.01~0.05）：1, the mass ratio of silane coupler and methacrylic acid monomer（0.05~0.2）：1,
The mass ratio 1 of silica and methacrylic acid monomer：（4~8）.
Further, described guide-lighting layer surface also sets up damage resistant layer.
Further, described damage resistant layer contains polyethylene micropowder.
Preferably, transparency carrier of the present invention is PMMA or PC plate.
The advantage of the invention is that：
1. the technique that the present invention prepares polymer microsphere is simple, reaction speed is fast.
2. the guide-lighting uniform, light transmittance of the light guide plate of the present invention is high, excellent in optical properties.
3. the present invention is by adding damage resistant auxiliary agent so that light guide plate is keeping flexible while its surface can be improved
Scratch-resistant ability.
Embodiment
The present invention is further described below in conjunction with embodiment.
A kind of ultrathin lamp box light guide plate, it includes the optical waveguide layer of transparency carrier and setting on the transparent substrate, described
Optical waveguide layer contains high diverging light particulate, and described high diverging light particulate is the composite particles of silica-polymer microsphere, particle diameter
For 5~20 microns, refractive index is 1.4~2.0, and described optical waveguide layer thickness is 60~100 microns.
The high diverging light particulate that optical waveguide layer of the present invention contains, is made by following examples.
Embodiment 1
By 1 gram of α, α-diethoxy acetophenone is added in 100 grams of methyl methacrylate monomers, stirred, and is made and is divided
Dispersion liquid I；5 grams of vinyltrimethoxy silanes are dissolved in water, 12.5 grams of silicon dioxide granules is added, stirs, are made scattered
Liquid II；Dispersion liquid I and dispersion liquid II are mixed, mulser is put into and is emulsified, 60 DEG C of emulsifying temperature is emulsified 2 hours；
Photopolymerization is carried out under 100w/cm ultra violet lamp, dioxy is made after centrifugation, drying in irradiation time 1 minute, products therefrom
The composite particles of SiClx-polymer microsphere.
Embodiment 2
By 3 grams of α, alpha, alpha-dimethyl phenyl acetophenone is added in 100 grams of methyl methacrylate monomers, stirred, and is made
Obtain dispersion liquid I；10 grams of silane coupler KH570 alkane are dissolved in water, 20 grams of silicon dioxide granules is added, stirs, is made and divides
Dispersion liquid II；Dispersion liquid I and dispersion liquid II are mixed, mulser is put into and is emulsified, 80 DEG C of emulsifying temperature is emulsified 3 hours；
Photopolymerization is carried out under 100w/cm ultra violet lamp, dioxy is made after centrifugation, drying in irradiation time 2 minutes, products therefrom
The composite particles of SiClx-polymer microsphere.
Embodiment 3
By 5 gram 2,4,6- trimethylbenzoy-dipheny phosphine oxides are added in 100 grams of methyl methacrylate monomers,
Stir, dispersion liquid I is made；20 grams of 3- aminopropyl triethoxysilane alkane are dissolved in water, 25 grams of silicon dioxide granules are added,
Stir, dispersion liquid II is made；Dispersion liquid I and dispersion liquid II are mixed, mulser is put into and is emulsified, emulsifying temperature 70
DEG C, emulsify 4 hours；Carry out photopolymerization under 100w/cm ultra violet lamp, irradiation time 2 minutes, products therefrom through centrifugation,
After drying, the composite particles of silica-polymer microsphere are made.
In order to improve the scratch-resistant ability of light guide plate surface, described guide-lighting layer surface also sets up damage resistant layer.This is scratch-resistant
Hinder layer and contain polyethylene micropowder.Described optical waveguide layer thickness is 60~100 microns.
Pencil hardness test is carried out to embodiment 1~3：From pencil hardness grade 2H Wood pencil in light guide plate surface
On with the line of standardized about 1 centimetre of 45° angle, cut is not found after tested, the pencil hardness for illustrating light guide plate surface is more than 2H.
Transparency carrier of the present invention is PMMA or PC plate.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, person skilled is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (1)
1. a kind of ultrathin lamp box light guide plate, it includes the optical waveguide layer of transparency carrier and setting on the transparent substrate, and described leads
Photosphere contains high diverging light particulate, it is characterised in that：Described high diverging light particulate is the compound of silica-polymer microsphere
Particulate, particle diameter is 5~20 microns, and refractive index is 1.4~2.0, and described optical waveguide layer thickness is 60~100 microns；
Wherein, the composite particles of described silica-polymer microsphere are made by following steps：
1）Free radical photo-initiation is added in methacrylate monomers, stirred, dispersion liquid I is made；
2）Silane coupler is dissolved in water, silicon dioxide granule is added, stirs, dispersion liquid II is made；
3）Dispersion liquid I and dispersion liquid II are mixed, and emulsified；
4）Photopolymerization is carried out under ultra violet lamp, irradiation time is no less than 1 minute, silica-macromolecule is made after drying
The composite particles of microballoon；
Wherein, the mass ratio of described light trigger and methacrylic acid monomer（0.01~0.05）：1, silane coupler and first
The mass ratio of base acrylic monomers（0.05~0.2）：1, the mass ratio 1 of silica and methacrylic acid monomer：（4~8）；
Described guide-lighting layer surface also sets up damage resistant layer, and described damage resistant layer contains polyethylene micropowder；
Described light trigger is Dialkoxy acetophenones；
Described transparency carrier is PMMA or PC plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410456187.6A CN104199138B (en) | 2014-08-19 | 2014-09-10 | A kind of ultrathin lamp box light guide plate |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408791.1 | 2014-08-19 | ||
| CN201410408791 | 2014-08-19 | ||
| CN2014104087911 | 2014-08-19 | ||
| CN201410456187.6A CN104199138B (en) | 2014-08-19 | 2014-09-10 | A kind of ultrathin lamp box light guide plate |
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| Publication Number | Publication Date |
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| CN104199138A CN104199138A (en) | 2014-12-10 |
| CN104199138B true CN104199138B (en) | 2017-10-13 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719579A (en) * | 2016-04-21 | 2016-06-29 | 金铭嫦 | Light guide plate lamp box and manufacturing process thereof |
| CN109370134A (en) * | 2018-10-10 | 2019-02-22 | 马鞍山和春文化传媒有限公司 | A kind of acrylic board billboard material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372603A (en) * | 2007-08-22 | 2009-02-25 | 株式会社御牧工程 | Coating agent for UV curable inkjet printing |
| CN102337087A (en) * | 2010-07-20 | 2012-02-01 | 麦建进 | Protective film |
| CN102898889A (en) * | 2011-07-27 | 2013-01-30 | 深圳市纳宇材料技术有限公司 | UV-curable light-guide printing ink and light-guide plate employing the printing ink |
| CN103197363A (en) * | 2012-08-30 | 2013-07-10 | 湖北航天化学技术研究所 | Scratch-proof optics diffusion film and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0694923A (en) * | 1991-07-25 | 1994-04-08 | Ono Gijutsu Kenkyusho:Kk | Thin-walled light box |
| JP4852953B2 (en) * | 2004-09-30 | 2012-01-11 | セイコーエプソン株式会社 | Ink composition and image forming method using the same |
| US8465174B2 (en) * | 2010-01-08 | 2013-06-18 | Luxingtek, Ltd. | Direct-lit light box with even-width frame design |
-
2014
- 2014-09-10 CN CN201410456187.6A patent/CN104199138B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372603A (en) * | 2007-08-22 | 2009-02-25 | 株式会社御牧工程 | Coating agent for UV curable inkjet printing |
| CN102337087A (en) * | 2010-07-20 | 2012-02-01 | 麦建进 | Protective film |
| CN102898889A (en) * | 2011-07-27 | 2013-01-30 | 深圳市纳宇材料技术有限公司 | UV-curable light-guide printing ink and light-guide plate employing the printing ink |
| CN103197363A (en) * | 2012-08-30 | 2013-07-10 | 湖北航天化学技术研究所 | Scratch-proof optics diffusion film and preparation method thereof |
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