CN114895385B - Optical protection film for reducing diffuse reflection at edge - Google Patents
Optical protection film for reducing diffuse reflection at edge Download PDFInfo
- Publication number
- CN114895385B CN114895385B CN202210748277.7A CN202210748277A CN114895385B CN 114895385 B CN114895385 B CN 114895385B CN 202210748277 A CN202210748277 A CN 202210748277A CN 114895385 B CN114895385 B CN 114895385B
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- CN
- China
- Prior art keywords
- film
- layer
- reflection
- thickness
- protection film
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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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- 230000003287 optical effect Effects 0.000 title claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 8
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims abstract description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 7
- 238000007605 air drying Methods 0.000 claims abstract description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 8
- 239000006004 Quartz sand Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 12
- 238000002310 reflectometry Methods 0.000 abstract description 5
- 238000005488 sandblasting Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 37
- 239000012788 optical film Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 3
- 238000009396 hybridization Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
Abstract
The invention provides an optical protection film for reducing diffuse reflection at edges, which comprises a base film, wherein a magnesium fluoride layer, a titanium dioxide layer, a silicon dioxide layer, a zirconium dioxide layer and an aluminum oxide layer are sequentially arranged on the base film from inside to outside, an anti-reflection liquid is sprayed on the surface of the aluminum oxide layer, so that the anti-reflection liquid extends into the base film, and a graphene layer is arranged on the outer side of the aluminum oxide layer after air drying; the anti-reflection film is formed by optimizing a plurality of layers of materials, the reflection of the surface of a base layer film is effectively reduced, light attenuation is reduced, the anti-reflection liquid is poured into a film, micropores are formed in a material system, the surface refractive index can be effectively reduced by coating the anti-reflection liquid on the surface of the film, the arrangement of the optical filter is realized, and the surface of the optical filter is subjected to sand blasting treatment, so that the surface reflectivity of the optical filter is low, and the probability of edge reflection is reduced.
Description
Technical Field
The invention belongs to the technical field of film processing, and particularly relates to an optical protection film for reducing diffuse reflection at edges.
Background
The film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials, and is widely used in various industries such as electronics, machinery, printing, etc., and includes various materials such as optical film, composite film, superconducting film, polyester film, nylon film, plastic film, etc.
The optical film is one of the films, namely, the optical film is a kind of optical film which is used for improving the firmness and stability of metal or other soft and easily-corroded materials or film surfaces and improving the optical properties of the metal or other soft and easily-corroded materials or film surfaces, and the optical film for the market has higher reflectivity, so that the optical film has poorer light transmittance, and when the film with better light transmittance is required, the market requirement cannot be met.
Disclosure of Invention
1. Object of the invention
In view of the above technical problems, the present invention provides an optical protection film for reducing diffuse reflection at an edge, which is used for solving the technical problems mentioned in the background art.
2. Technical proposal
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: an optical protection film for reducing edge diffuse reflection comprises a base film, wherein a magnesium fluoride layer, a titanium dioxide layer, a silicon dioxide layer, a zirconium dioxide layer and an aluminum oxide layer are sequentially arranged on the base film from inside to outside, an anti-reflection liquid is sprayed on the surface of the aluminum oxide layer, so that the anti-reflection liquid extends into the base film, and a graphene layer is arranged on the outer side of the aluminum oxide layer after air drying;
the edge of the graphene layer is provided with a filter strip, and the filter strip is sprayed by quartz sand, so that the infrared light passing rate of the filter strip is 50% -70%, and the two sides of the filter strip are kept smooth.
Preferably, the thickness of the base film is 10-20 μm.
Preferably, the thickness of the magnesium fluoride layer is 15-20 μm.
Preferably, the titanium dioxide layer has a thickness of 7-12 μm.
Preferably, the thickness of the silicon dioxide layer is 5-11 μm.
Preferably, the thickness of the zirconium dioxide layer is 6-13 μm.
Preferably, the thickness of the alumina layer is 20-35 μm.
Preferably, the thickness of the graphene layer is 50-80 μm.
Preferably, the anti-reflection liquid is prepared by mixing tetraethoxysilane, methyltriethoxysilane and polyvinyl alcohol.
Preferably, the material of the filter strip is a resin film, and the thickness of the two sides of the filter strip is 1-2 mu m.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the antireflection film is formed by optimizing a plurality of layers of materials, effectively reduces the reflection of the surface of the base film and reduces the light attenuation.
The anti-reflection liquid is formed by mixing the ethyl orthosilicate, the methyltriethoxysilane and the polyvinyl alcohol, and the organic and inorganic hybridization of the ethyl orthosilicate, the methyltriethoxysilane and the polyvinyl alcohol ensures that micropores are generated in a material system when the anti-reflection liquid is poured into a film, and the anti-reflection liquid is coated on the surface of the film, so that the surface refractive index of the optical filter strip can be effectively reduced, the optical filter strip is arranged, and the surface of the optical filter strip is subjected to sand blasting treatment, so that the surface reflectivity of the optical filter strip is low, and the probability of edge reflection is reduced.
Drawings
FIG. 1 is a schematic view of an optical protective film according to the present invention;
fig. 2 is a schematic diagram of a graphene layer structure according to the present invention.
Reference numerals
1-a base layer film; a 2-magnesium fluoride layer; a 3-titanium dioxide layer; a 4-silicon dioxide layer; a 5-zirconium dioxide layer; a 6-alumina layer; 7-graphene layers; 8-filter strips.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "other end", "one side", "front", "both ends", "both sides", etc. indicate orientations or positional relationships based on the drawings are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
Referring to fig. 1-2, the embodiment provides an optical protection film for reducing diffuse reflection at an edge, which comprises a base film 1, wherein the base film 1 can be a PET film, a magnesium fluoride layer 2, a titanium dioxide layer 3, a silicon dioxide layer 4, a zirconium dioxide layer 5 and an aluminum oxide layer 6 are sequentially arranged on the base film 1 from inside to outside, an anti-reflection liquid is sprayed on the surface of the aluminum oxide layer 6, so that the anti-reflection liquid extends into the base film 1, the anti-reflection liquid is formed by mixing tetraethoxysilane, methyltriethoxysilane and polyvinyl alcohol, the specific mixing ratio of tetraethoxysilane, methyltriethoxysilane and polyvinyl alcohol is 1 (1.2-1.5) (0.7-0.9), and a graphene layer 7 is arranged on the outer side of the aluminum oxide layer 6 after air drying;
wherein, the antireflection film formed by optimizing the multi-layer materials is bonded together through hot pressing.
The edge of the graphene layer 7 is provided with a filter strip 8, the filter strip 8 is sprayed by quartz sand, so that the infrared light passing rate of the filter strip is 50% -70%, and the two sides of the filter strip 8 are kept smooth, wherein the filter strip 8 is made of a resin film, and the thickness of the two sides of the filter strip 8 is 1-2 mu m.
Wherein the thickness of the base layer film 1 is 10-20 mu m, the thickness of the magnesium fluoride layer 2 is 15-20 mu m, the thickness of the titanium dioxide layer 3 is 7-12 mu m, the thickness of the silicon dioxide layer 4 is 5-11 mu m, the thickness of the zirconium dioxide layer 5 is 6-13 mu m, the thickness of the aluminum oxide layer 6 is 20-35 mu m, and the thickness of the graphene layer 7 is 50-80 mu m.
The test shows that the reflectivity of the optical protection film is between 1.2 and 3.1 percent, so that the antireflection film formed by optimizing a plurality of layers of materials is adopted, the reflection of the surface of a base layer film is effectively reduced, the light attenuation is reduced, the antireflection liquid is formed by mixing tetraethoxysilane, methyltriethoxysilane and polyvinyl alcohol, and the organic and inorganic hybridization of the tetraethoxysilane, the methyltriethoxysilane and the polyvinyl alcohol is adopted, so that the antireflection liquid can generate micropores when being poured into a film, the micropore can be formed in a material system, the surface refractive index can be effectively reduced when the antireflection film is coated on the surface of the film, the arrangement of a light filtering strip is realized, and the surface of the light filtering strip is subjected to sand blasting treatment, so that the surface reflectivity of the light filtering strip is low, and the probability of edge reflection is reduced.
The foregoing examples merely illustrate certain embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the invention, all of which fall within the scope of protection of the invention; accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The optical protection film is characterized by comprising a base film, wherein a magnesium fluoride layer, a titanium dioxide layer, a silicon dioxide layer, a zirconium dioxide layer and an aluminum oxide layer are sequentially arranged on the base film from inside to outside, an anti-reflection liquid is sprayed on the surface of the aluminum oxide layer, so that the anti-reflection liquid extends into the base film, and a graphene layer is arranged on the outer side of the aluminum oxide layer after the air drying;
the edge of the graphene layer is provided with a filter strip, and the filter strip is sprayed by quartz sand, so that the infrared light passing rate of the filter strip is 50% -70%, and the two sides of the filter strip are kept smooth;
the anti-reflection liquid is formed by mixing tetraethoxysilane, methyltriethoxysilane and polyvinyl alcohol;
the filter strip is made of resin film, and the thickness of two sides of the filter strip is 1-2 μm.
2. An optical protection film for reducing diffuse reflection at an edge according to claim 1, wherein: the thickness of the base layer film is 10-20 mu m.
3. An optical protection film for reducing diffuse reflection at an edge according to claim 1, wherein: the thickness of the magnesium fluoride layer is 15-20 mu m.
4. An optical protection film for reducing diffuse reflection at an edge according to claim 1, wherein: the thickness of the titanium dioxide layer is 7-12 mu m.
5. An optical protection film for reducing diffuse reflection at an edge according to claim 1, wherein: the thickness of the silicon dioxide layer is 5-11 mu m.
6. An optical protection film for reducing diffuse reflection at an edge according to claim 1, wherein: the thickness of the zirconium dioxide layer is 6-13 mu m.
7. An optical protection film for reducing diffuse reflection at an edge according to claim 5, wherein: the thickness of the alumina layer is 20-35 mu m.
8. An optical protection film for reducing diffuse reflection at an edge according to claim 1, wherein: the thickness of the graphene layer is 50-80 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210748277.7A CN114895385B (en) | 2022-06-29 | 2022-06-29 | Optical protection film for reducing diffuse reflection at edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210748277.7A CN114895385B (en) | 2022-06-29 | 2022-06-29 | Optical protection film for reducing diffuse reflection at edge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114895385A CN114895385A (en) | 2022-08-12 |
| CN114895385B true CN114895385B (en) | 2023-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210748277.7A Active CN114895385B (en) | 2022-06-29 | 2022-06-29 | Optical protection film for reducing diffuse reflection at edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114895385B (en) |
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| CN114895385A (en) | 2022-08-12 |
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