CN104730606A - Light reflector plate and manufacturing method thereof - Google Patents
Light reflector plate and manufacturing method thereof Download PDFInfo
- Publication number
- CN104730606A CN104730606A CN201310717429.8A CN201310717429A CN104730606A CN 104730606 A CN104730606 A CN 104730606A CN 201310717429 A CN201310717429 A CN 201310717429A CN 104730606 A CN104730606 A CN 104730606A
- Authority
- CN
- China
- Prior art keywords
- light
- reflecting sheet
- substrate
- white colorant
- ultraviolet
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0891—Ultraviolet [UV] mirrors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A manufacturing method of a light reflector plate comprises the following steps that a precursor is prepared, wherein the precursor comprises a white pigment and an ultraviolet curing material, the white pigment is evenly scattered in the ultraviolet curing material, and the mass ratio of the white pigment and the ultraviolet curing material ranges from 20:80 to 38:62; a first substrate is provided, blocking strips are arranged on the surface of the one side of the first substrate to limit the region where the precursor is arranged; the precursor is injected within the region limited by the blocking strips; a second substrate is provided, wherein the second substrate exerts pressure to the face, provided with the precursor, of the first substrate; the precursor is cured through ultraviolet, and the precursor forms the light reflector plate; the first substrate and the second substrate are removed, the blocking strips are separated, and the light reflector plate is obtained. The invention further provides the light reflector plate manufactured through the method.
Description
Technical field
The present invention relates to a kind of light-reflecting sheet, also relate to a kind of manufacture method of light-reflecting sheet, particularly a kind of method adopting ultraviolet curing method to manufacture light-reflecting sheet.
Background technology
In the prior art, light-reflecting sheet is applied to lighting field and backlight module field.What two kinds of methods below usual employing reflected to increase light source to the light that light source sends goes out light intensity, the first arranges special construction on reflector plate surface or sets up composite membrane, the method cost is higher, the second adopts plastics mixture of white colorant, produces low thickness light reflecting membrane through heating extrusion processing procedure and membrane processing procedure, but, the acquisition expenses of extruder and film balance is high, cost burden is large, and simultaneously for obtaining the uniform light-reflecting sheet of white colorant, white colorant content is low.For reaching the white colorant of certain content to meet the requirement of high light reflectivity rate, the thickness of light-reflecting sheet just must increase, and causes cost high.
Summary of the invention
A kind of method that the present invention aims to provide light-reflecting sheet and manufactures this reflector plate is to overcome above-mentioned defect.
A kind of light-reflecting sheet, comprise white colorant and ultraviolet-curable materials, described white colorant is dispersed in ultraviolet-curable materials uniformly, and the scope of the mass ratio of described white colorant and ultraviolet-curable materials is 20:80 ~ 38:62.
A kind of manufacture method of light-reflecting sheet, comprise the following steps: prepare a presoma, described presoma comprises white colorant and ultraviolet-curable materials, described white colorant is dispersed in ultraviolet-curable materials uniformly, and the scope of the mass ratio of described white colorant and ultraviolet-curable materials is 20:80 ~ 38:62; One first substrate is provided, barrier rib is set on the surface of the side of this first substrate to limit the region arranging presoma; In the region that barrier rib limits, inject presoma; There is provided a second substrate, described second substrate applies pressure to first substrate and is provided with the one side of presoma; Ultra-violet curing presoma, makes this presoma form light-reflecting sheet; Remove first substrate and second substrate, be separated barrier rib, obtain light-reflecting sheet.
White colorant is mixed in ultraviolet-curable materials by the present invention's employing uniformly makes presoma, curing reaction is there is in presoma after accepting UV-irradiation, be cured as light-reflecting sheet, the reflectivity of described light-reflecting sheet can reach more than 98%, thickness is less than or equal to 0.2mm, and it is high to have white colorant content, the advantage that homogeneity is good, meet the high light reflectivity rate of current application field to light-reflecting sheet, the requirement of low thickness.Meanwhile, avoid the use adopting extruder and film balance, save production cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of light-reflecting sheet provided by the present invention.
Fig. 2 is the schematic diagram of the step 2 of the manufacture method of light-reflecting sheet provided by the present invention.
Fig. 3 is the schematic diagram of the step 3 of the manufacture method of light-reflecting sheet provided by the present invention.
Fig. 4 is the schematic diagram of the step 4 of the manufacture method of light-reflecting sheet provided by the present invention.
Fig. 5 is the schematic diagram of the step 5 of the manufacture method of light-reflecting sheet provided by the present invention.
Fig. 6 is the schematic diagram of the step 6 of the manufacture method of light-reflecting sheet provided by the present invention.
Main element symbol description
| Light-reflecting sheet | 10 |
| Ultraviolet-curable materials | 101 |
| White colorant | 102 |
| Presoma | 10a |
| First substrate | 31 |
| Surface | 311 |
| Barrier rib | 40 |
| Region | 50 |
| Second substrate | 32 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Refer to Fig. 1, a kind of light-reflecting sheet 10, comprise white colorant 102 and ultraviolet-curable materials 101.The thickness h of described light-reflecting sheet 10 is less than or equal to 0.2mm.
Described white colorant 102 is dispersed in ultraviolet-curable materials 101 uniformly.Described white colorant 102 is 20:80 ~ 35:65 with the scope of the mass ratio of ultraviolet-curable materials 101.
Described ultraviolet-curable materials 101 is liquid when uncured, and having mobility, is solid-state accepting UV-irradiation Post RDBMS.Concrete, in light-reflecting sheet 10, ultraviolet-curable materials 101 is solid-state.
Described ultraviolet-curable materials 101 comprises light trigger and cured resin.After ultraviolet-curable materials 101 accepts UV-irradiation, make light trigger generate free radical, there is with cured resin chemical reactions such as being cross-linked, be polymerized in this free radical, to form growing chain, thus makes ultraviolet-curable materials 101 be solid-state from liquid state.
Described white colorant 102 can be the combination of one or more in zinc paste, Zinc Tungstate, silicon dioxide, titania, calcium carbonate, calcium sulphate, barium sulphate, aluminium oxide.The average particle size range of described white colorant 102 is 0.1 ~ 0.4 μm.
Preferably, light-reflecting sheet 10 provided by the invention, comprises white colorant 102 and ultraviolet-curable materials 101, wherein, described white colorant 102 for mean grain size be the titania of 0.3 μm, described white colorant 102 is 35:65 with the mass ratio of ultraviolet-curable materials 101.
The light reflectivity of of the present invention provided light-reflecting sheet 10 can reach more than 98%, and thickness is little, meets the high light reflectivity rate of current application field to light-reflecting sheet, low thickness, the requirement of high white colorant content.
The manufacture method of the present invention's also a kind of light-reflecting sheet, comprises following steps:
The first step, provides a presoma 10a, and described presoma 10a comprises white colorant 102 and ultraviolet-curable materials 101.Described ultraviolet-curable materials 101 is liquid when uncured, and having mobility, is solid-state accepting UV-irradiation Post RDBMS.Concrete, in presoma 10a, ultraviolet-curable materials 101 is liquid, has mobility.Described white colorant 102 is dispersed in ultraviolet-curable materials 101 uniformly.Described ultraviolet-curable materials 101 has photopermeability after hardening.
White colorant 102 is being dispersed in the process of ultraviolet-curable materials 101 uniformly, can adopting the mode of stirring and/or ultrasonic vibration that white colorant 102 and ultraviolet-curable materials 101 are mixed.Described white colorant 102 is 20:80 ~ 35:65 with the scope of the mass ratio of ultraviolet-curable materials 101.Described white colorant 102 can be the combination of one or more in zinc paste, Zinc Tungstate, silicon dioxide, titania, calcium carbonate, calcium sulphate, barium sulphate, aluminium oxide.The average particle size range of described white colorant 102 is 0.1 ~ 0.4 μm.
Concrete, the formula of presoma 10a can with reference to following embodiment:
Formula one:
Described white colorant 102 is 20:80 with the mass ratio of ultraviolet-curable materials 101, and described white colorant 102 selective oxidation zinc, the mean grain size of described white colorant 102 is 0.1 μm.
Formula two:
Described white colorant 102 is 28:72 with the mass ratio of ultraviolet-curable materials 101, the potpourri of described white colorant 102 selective oxidation zinc, Zinc Tungstate and silicon dioxide, the mass ratio of described zinc paste, Zinc Tungstate and silicon dioxide is 7:3:18, and the mean grain size of described white colorant 102 is 0.2 μm.
Before preparing presoma 10a, method that is silver-plated or that aluminize can be adopted, surface treatment is carried out to increase the flatness on white colorant 102 surface to described white colorant 102, thus increase light reflection efficiency.Concrete, the silicon dioxide in dialogue look colorant 102 can be selected to carry out silver-plated or aluminize, and not silver-plated and aluminize to Zinc Tungstate, this is because Zinc Tungstate has Photoluminescence, can send blue light when being subject to UV-irradiation.
Formula three:
Described white colorant 102 is 30:70 with the mass ratio of ultraviolet-curable materials 101, the potpourri of calcium sulphate and calcium carbonate selected by described white colorant 102, the mass ratio of described calcium sulphate and calcium carbonate is 15:15, and the mean grain size of described white colorant 102 is 0.4 μm.
Formula four:
Described white colorant 102 is 35:65 with the mass ratio of ultraviolet-curable materials 101, and titania selected by described white colorant 102, and the mean grain size of described white colorant 102 is 0.3 μm.
Preferably, the white colorant 102 of employing is spherical titania.
Formula five:
Described white colorant 102 is 35:65 with the mass ratio of ultraviolet-curable materials 101, and described white colorant 102 selects titania and aluminium oxide, and the mass ratio of described titania and aluminium oxide is 30:5, and the mean grain size of described white colorant 102 is 0.3 μm.Because the hardness of aluminium oxide is higher than titania, simultaneous oxidation aluminium and titania are white, before preparing presoma 10a, using aluminium oxide as abrasive material and titania mixed grinding, can improve the flatness of titanium dioxide surface, thus increase light reflection efficiency.
Formula six:
Described white colorant 102 is 38:62 with the mass ratio of ultraviolet-curable materials 101, the potpourri of barium sulphate and aluminium oxide selected by described white colorant 102, the mass ratio of described barium sulphate and aluminium oxide is 15:23, and the mean grain size of described white colorant 102 is 0.2 μm.
It should be noted that, in the first step of the manufacture method of light-reflecting sheet provided by the present invention presoma 10a formula and be not limited to above six kinds of embodiments, such as, adopt other organic particles as white colorant 102.
Second step, refers to Fig. 2, provides a first substrate 31, the surface 311 of the side of described first substrate 31 arranges barrier rib 40 to limit the region 50 arranging presoma 10a.Preferably, described barrier rib 40 has viscosity, can adhere on first substrate 31.
3rd step, refers to Fig. 3, in the region 50 that barrier rib 40 limits, injects presoma 10a.
It should be noted that, the region 50 that barrier rib 40 limits is non-closed, to make unnecessary presoma 10a flow out (not shown) from opening part in the process of follow-up pressing first substrate 31 and second substrate 32, simultaneously, presoma 10a is the potpourri of white colorant 102 and ultraviolet-curable materials 101, ultraviolet-curable materials 101 is organism, there is certain viscosity, although the region 50 that barrier rib 40 limits is non-closed, presoma 10a also wantonly can not flow on first substrate 31.
4th step, refers to Fig. 4, provides a second substrate 32, and described second substrate 32 applies pressure to one side first substrate 31 being provided with presoma 10a.The distance between first substrate 31 and second substrate 32 is adjusted by the control pressure be applied on first substrate 31 and second substrate 32, thus determine the thickness h of the light-reflecting sheet 10 manufactured, that is, the thickness h of light-reflecting sheet 10 depends on the distance between first substrate 31 and second substrate 32.In the present embodiment, can by the distance adjustment between first substrate 31 and second substrate 32 for being less than or equal to 0.2mm, therefore, the thickness h of the light-reflecting sheet 10 of manufacture is less than or equal to 0.2mm.
5th step, refers to Fig. 5, ultra-violet curing presoma 10a, to form light-reflecting sheet 10.
Described ultraviolet-curable materials 101 comprises light trigger and cured resin.After ultraviolet-curable materials 101 accepts UV-irradiation, make light trigger generate free radical, there is with cured resin chemical reactions such as being cross-linked, be polymerized in this free radical, to form growing chain, thus makes ultraviolet-curable materials 101 be solid-state from liquid state.
It should be noted that, first substrate 31 and second substrate 32 can select transparency carrier, to make ultraviolet luminous energy more through first substrate 31 and second substrate 32, preferably, first substrate 31 and second substrate 32 select transparent glass substrate, adopt ultraviolet light to irradiate presoma 10a, to increase curing efficiency from first substrate 31 and second substrate 32 simultaneously.
6th step, refers to Fig. 1 and Fig. 6, removes first substrate 31 and second substrate 32, is separated barrier rib 40, thus obtains light-reflecting sheet 10.It should be noted that, this step also can comprise the operation of cutting light-reflecting sheet 10, light-reflecting sheet 10 to be fabricated to shape and the size of suitable practical application.
Further, described barrier rib 40 has curability, and when after the energy absorbing certain forms, barrier rib 40 solidifies, and is easy to be separated from first substrate 31 or second substrate 32.
The light reflectivity adopting the manufacture method of light-reflecting sheet provided by the invention to manufacture light-reflecting sheet 10 can reach more than 98%, thickness is less than or equal to 0.2mm, and it is high to have white colorant content, the advantage that homogeneity is good, meet the high light reflectivity rate of current application field to light-reflecting sheet, the requirement of low thickness.Meanwhile, avoid the use adopting extruder and film balance, save production cost.
Can do other changes in the technology of the present invention design for a person skilled in the art, but technical conceive according to the present invention makes other various corresponding change and distortion, all should belong to the protection domain of the claims in the present invention.
Claims (9)
1. a light-reflecting sheet, is characterized in that: comprise white colorant and ultraviolet-curable materials, and described white colorant is dispersed in ultraviolet-curable materials uniformly, and the scope of the mass ratio of described white colorant and ultraviolet-curable materials is 20:80 ~ 38:62.
2. light-reflecting sheet as claimed in claim 1, is characterized in that: the thickness of described light-reflecting sheet is less than or equal to 0.2mm.
3. light-reflecting sheet as claimed in claim 1, is characterized in that: the average particle size range of described white colorant is 0.1 ~ 0.4 μm.
4. light-reflecting sheet as claimed any one in claims 1 to 3, is characterized in that: described white colorant is the combination of one or more in zinc paste, Zinc Tungstate, silicon dioxide, titania, calcium carbonate, calcium sulphate, barium sulphate, aluminium oxide.
5. a manufacture method for light-reflecting sheet, comprises the following steps:
Prepare a presoma, described presoma comprises white colorant and ultraviolet-curable materials, and described white colorant is dispersed in ultraviolet-curable materials uniformly, and the scope of the mass ratio of described white colorant and ultraviolet-curable materials is 20:80 ~ 38:62;
One first substrate is provided, barrier rib is set on the surface of the side of this first substrate to limit the region arranging presoma;
In the region that barrier rib limits, inject presoma;
There is provided a second substrate, described second substrate applies pressure to first substrate and is provided with the one side of presoma;
Ultra-violet curing presoma, makes this presoma form light-reflecting sheet;
Remove first substrate and second substrate, be separated barrier rib, obtain light-reflecting sheet.
6. the manufacture method of light-reflecting sheet as claimed in claim 5, is characterized in that: the thickness of described light-reflecting sheet is less than or equal to 0.2mm.
7. the manufacture method of light-reflecting sheet as claimed in claim 5, is characterized in that: the average particle size range of described white colorant is 0.1 ~ 0.4 μm.
8. the manufacture method of light-reflecting sheet as claimed in claim 5, is characterized in that: before preparing presoma, carries out surface treatment to increase the flatness on white colorant surface to described white colorant.
9. the manufacture method of the light-reflecting sheet as described in any one of claim 5 to 8, is characterized in that: described white colorant is the combination of one or more in zinc paste, Zinc Tungstate, silicon dioxide, titania, calcium carbonate, calcium sulphate, barium sulphate, aluminium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717429.8A CN104730606A (en) | 2013-12-24 | 2013-12-24 | Light reflector plate and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717429.8A CN104730606A (en) | 2013-12-24 | 2013-12-24 | Light reflector plate and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104730606A true CN104730606A (en) | 2015-06-24 |
Family
ID=53454677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310717429.8A Pending CN104730606A (en) | 2013-12-24 | 2013-12-24 | Light reflector plate and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104730606A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550446A (en) * | 1991-08-27 | 1993-03-02 | Dainippon Printing Co Ltd | Reactive cast molding method |
| TW200827419A (en) * | 2006-12-29 | 2008-07-01 | Eternal Chemical Co Ltd | Anti-UV coating composition and the use thereof |
| US20100227084A1 (en) * | 2009-03-04 | 2010-09-09 | Takashi Kato | Liquid crystal composition and reflective display element |
| JP2011091211A (en) * | 2009-10-22 | 2011-05-06 | Fujifilm Corp | Solar cell module, method of manufacturing solar cell module, and apparatus for manufacturing solar cell module |
| CN102893417A (en) * | 2010-03-23 | 2013-01-23 | 株式会社朝日橡胶 | Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrate |
| CN103389531A (en) * | 2012-09-14 | 2013-11-13 | 宁波东旭成化学有限公司 | Reflecting film manufacturing method and backlight module |
-
2013
- 2013-12-24 CN CN201310717429.8A patent/CN104730606A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550446A (en) * | 1991-08-27 | 1993-03-02 | Dainippon Printing Co Ltd | Reactive cast molding method |
| TW200827419A (en) * | 2006-12-29 | 2008-07-01 | Eternal Chemical Co Ltd | Anti-UV coating composition and the use thereof |
| US20100227084A1 (en) * | 2009-03-04 | 2010-09-09 | Takashi Kato | Liquid crystal composition and reflective display element |
| JP2011091211A (en) * | 2009-10-22 | 2011-05-06 | Fujifilm Corp | Solar cell module, method of manufacturing solar cell module, and apparatus for manufacturing solar cell module |
| CN102893417A (en) * | 2010-03-23 | 2013-01-23 | 株式会社朝日橡胶 | Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrate |
| CN103389531A (en) * | 2012-09-14 | 2013-11-13 | 宁波东旭成化学有限公司 | Reflecting film manufacturing method and backlight module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yang et al. | Transparent and light-emitting epoxy nanocomposites containing ZnO quantum dots as encapsulating materials for solid state lighting | |
| CN208156223U (en) | A kind of function diffuser plate of high colour gamut uniformity | |
| CN106674852A (en) | Blue-ray-proof lens and resin raw material thereof | |
| US20210364676A1 (en) | Diffuser film and method for manufacturing same | |
| CN105700062A (en) | Quantum dot glass light guide plate | |
| CN103245990A (en) | Novel high-permeable and high-haze easy-to-clean diffusion plate and preparation method thereof | |
| CN103872227A (en) | Method for manufacturing LED lamp filament light source capable of illuminating by 360 degrees | |
| CN107312522A (en) | A kind of high stability quantum dot fluorescence membrane preparation method | |
| CN103645525A (en) | Light diffuser board integrated with high transmittance, high haze and high toughness in one body | |
| Liang et al. | Polystyrene-fiber-rod hybrid composite structure for optical enhancement in quantum-dot-converted light-emitting diodes | |
| CN111505751B (en) | Arch-shaped diffusion film for improving brightness and concealing atomization performance and preparation method thereof | |
| CN205809342U (en) | A kind of Quantum Dot Glass light guide plate | |
| TWI486245B (en) | Plastic granules and preparation method thereof | |
| CN108105605A (en) | A kind of light tiles based on transparent base manufacture and preparation method thereof | |
| CN104730606A (en) | Light reflector plate and manufacturing method thereof | |
| CN106526961A (en) | High scattering super-hydrophobic quantum dot film and preparation method thereof | |
| CN104022175B (en) | Fluorescence fluoro-containing copolymer film used for encapsulation of solar battery and preparation method thereof | |
| CN116102838A (en) | Preparation method of nano titanium dioxide-polymethyl methacrylate composite board | |
| WO2013170710A1 (en) | Led light guide plate and manufacturing method therefor | |
| CN202695537U (en) | Fluorescent patch applied to fluorescent conversion type LED lamp | |
| TWI575766B (en) | Photovoltaic system and the manufacturing method thereof | |
| CN105182455A (en) | Production method of diffusion plate | |
| CN111674135A (en) | Preparation method of blue light blocking packaging layer | |
| KR101544786B1 (en) | Wavelength shifting adhesive sheet | |
| CN103681920B (en) | A kind of solar cell backboard and manufacture method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |