CN220650923U - Ultralow-reflectivity optical antireflection film applied to polycarbonate lens - Google Patents
Ultralow-reflectivity optical antireflection film applied to polycarbonate lens Download PDFInfo
- Publication number
- CN220650923U CN220650923U CN202322162261.0U CN202322162261U CN220650923U CN 220650923 U CN220650923 U CN 220650923U CN 202322162261 U CN202322162261 U CN 202322162261U CN 220650923 U CN220650923 U CN 220650923U
- Authority
- CN
- China
- Prior art keywords
- layer
- film
- thickness
- silicon dioxide
- lens
- 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.)
- Active
Links
- 239000004417 polycarbonate Substances 0.000 title claims abstract description 40
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 37
- 230000003287 optical effect Effects 0.000 title claims abstract description 33
- 238000002310 reflectometry Methods 0.000 title claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 90
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 45
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 43
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 31
- 230000003666 anti-fingerprint Effects 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 3
- 238000002834 transmittance Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Landscapes
- Surface Treatment Of Optical Elements (AREA)
Abstract
The utility model relates to an ultralow-reflectivity optical antireflection film applied to a polycarbonate lens, wherein the optical antireflection film main body comprises fourteen film layers, the fourteen film layers are arranged on the surface of the PC lens, and each fourteen film layers comprises seven silicon dioxide film layers, six titanium dioxide film layers and one fingerprint-proof film layer. The utility model can realize the effect of ultra-low reflectivity of the 420nm-680nm broadband, improve the permeability and ensure the firmness of the film.
Description
Technical Field
The utility model relates to the field of lens processing, in particular to an ultralow-reflectivity optical antireflection film applied to a polycarbonate lens.
Background
In recent years, polycarbonate (PC) is a general engineering plastic which is rapidly increased in application, and is widely applied to the fields of building materials, automobiles, medical treatment, aviation, aerospace, electronic appliances, packaging and the like. Optical-grade PC plastics have extremely important positions in the optical field due to their unique high light transmittance and light weight.
The optical PC optical element has the advantages of high light transmittance, high refractive index, high impact resistance, stable size, easy processing and forming and the like, and the optical lens manufactured by adopting the optical PC can be used for cameras, microscopes, telescopes, optical test instruments and the like, film projector lenses, copying machine lenses, infrared automatic focusing projector lenses, laser beam printer lenses, various office equipment and household appliance fields such as prisms, polygon mirrors and the like. PC materials are also widely used in the eyewear industry, as are lens materials for children's, sunglasses and safety and adult's eyewear. In order to improve the transmittance of the lens and reduce the influence of light reflected by the surface of the lens, the two surfaces of the lens need to be plated with an antireflection film. (an antireflection film, also called an antireflection film, has a main function of reducing or eliminating reflected light from optical surfaces such as lenses, prisms, mirrors, etc., thereby increasing the light transmission amount of these elements and reducing or eliminating stray light of the system.) in order to achieve a reflectance as low as possible, a multilayer antireflection film is plated on the lens surface, the multilayer antireflection film being formed by alternately stacking high-refractive-index and low-refractive-index film layers. The reflectivity achieved by the multilayer antireflection film designed for the lens is related to the difference between the high and low refractive index film materials and the refractive index of the outermost film (close to the air side), and the greater the difference, the lower the refractive index of the outermost film, the lower the reflectivity achieved by the lens. However, an excessively thick antireflection film layer may reduce the optical performance of the PC lens and affect the wearing feeling, so it is particularly important to achieve as low a reflectance as possible in designing the film system in order to achieve a low reflectance of the PC lens.
Disclosure of Invention
The utility model aims to provide an ultralow-reflectivity optical anti-reflection film applied to a polycarbonate lens, which can realize that the reflectivity of visible light in the wave band of 420-680nm is lower than 0.1%. The optical performance of the PC lens can be effectively improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an be applied to ultralow reflectivity optics anti-reflection film of polycarbonate lens, optics anti-reflection film main part includes fourteen layers rete, fourteen layers rete set up on PC lens surface, fourteen layers rete includes seven layers silica rete, six layers titanium dioxide retes, one deck fingerprint AF rete.
Further, the fourteen layers of film layers are sequentially arranged from near to far from the PC lens, the first layer of the fourteen layers of film layers is a silicon dioxide film layer, the second layer of film layers is a titanium dioxide film layer, the third layer of film layers is a silicon dioxide film layer, the fourth layer of film layers is a titanium dioxide film layer, the fifth layer of film layers is a silicon dioxide film layer, the sixth layer of film layers is a silicon dioxide film layer, the seventh layer of film layers is a silicon dioxide film layer, the eighth layer of film layers is a titanium dioxide film layer, the ninth layer of film layers is a titanium dioxide film layer, the eleventh layer of film layers is a silicon dioxide film layer, the twelfth layer of film layers is a titanium oxide film layer, the tenth layer of film layers is a silicon dioxide film layer, and the fourteenth layer of film layers is an anti-fingerprint AF film layer.
Further, the thickness of the first layer is 30.29-30.49nm, the thickness of the second layer is 14.24-14.44nm, the thickness of the third layer is 41.19-41.39nm, the thickness of the fourth layer is 45.43-45.63nm, the thickness of the fifth layer is 14.90-15.10nm, the thickness of the sixth layer is 47.45-47.65nm, the thickness of the seventh layer is 57.42-57.52nm, the thickness of the eighth layer is 14.90-15.10nm, the thickness of the ninth layer is 70.02-70.22nm, the thickness of the tenth layer is 39.56-39.76nm, the thickness of the eleventh layer is 14.90-15.10nm, the thickness of the twelfth layer is 46.38-46.58nm, the thickness of the tenth layer is 80.39-80.59nm, and the thickness of the fourteenth layer is 11.90-12.10nm.
Further, the refractive index of the titanium dioxide film layer is 2.2-2.59, the refractive index of the silicon dioxide film layer is 1.43-1.47, and the refractive index of the anti-fingerprint AF film layer is 1.48-1.5.
The utility model has the beneficial effects that: according to the utility model, in the film layer group formed by plating the polycarbonate lens, seven silicon dioxide film layers and six titanium dioxide film layers are used for alternately coating films between the first layer and the tenth layer, the first layer is the silicon dioxide film layer, the reflectivity of the polycarbonate lens can be improved and reduced, the effect of ultralow reflectivity of a broadband of 420nm-680nm can be realized, the permeability can be improved, the optical performance of the PC lens can be effectively improved, the fourteenth layer is provided with the anti-fingerprint AF layer, the polycarbonate lens can be prevented from being stained with fingerprints and grease, and meanwhile, the firmness of the film layer can be ensured.
Drawings
FIG. 1 is a schematic diagram of first and second order sensitivity of a film layer of an optical anti-reflection film of the present utility model;
FIG. 2 is a graph showing the reflectance in the visible light 420-680nm band of the optical antireflection film of the present utility model;
FIG. 3 is a schematic diagram of a film structure of the present utility model.
Wherein: 1.2 parts of polycarbonate lens, 2 parts of silicon dioxide film, 3 parts of titanium dioxide film, 4 parts of fingerprint-proof AF film.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. For a better understanding, the present utility model is described with reference to the orientations shown in the drawings, and is in no way to be construed as limiting of the present application; the following terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 3, the present utility model provides an embodiment: the utility model provides an be applied to ultralow reflectivity optics anti-reflection film of polycarbonate lens, optics anti-reflection film main part includes fourteen layers rete, fourteen layers rete set up on PC lens surface, fourteen layers rete includes seven layers of silica rete 2, six layers of titanium dioxide rete 3, one deck fingerprint AF rete. The utility model provides an ultralow-reflectivity optical antireflection film applied to a polycarbonate lens 1 based on improving the optical performance of the existing Polycarbonate (PC) lens and realizing as high light transmittance and low reflectivity as possible, wherein the optical antireflection film is deposited on the surface of the PC lens in a vacuum coating mode by a vacuum electron beam evaporator, a silicon dioxide optical coating material has the advantages of high transparency, high hardness, high wear resistance, high corrosion resistance and the like, the refractive index of the silicon dioxide optical coating material is relatively low, the reflection and scattering of light can be reduced, the light transmittance is improved, the external friction and scratch can be resisted, the surface of an optical device is protected from being damaged, the titanium dioxide photocatalysis property, the photoinduced superhydrophilicity and the cost are low, but the disadvantage of the overlarge film is that the refractive index is relatively high, and the film layer is not suitable to exceed the quantity of silicon dioxide. The anti-fingerprint AF film layer can prevent fingerprints and oil stains from being remained on the lens, prevent scratches and abrasion on the surface of a screen, and simultaneously maintain the high-transmittance optical performance of the lens.
With continued reference to fig. 1, in an embodiment of the present utility model, the fourteenth film layer is sequentially disposed from near to far from the PC lens, the first layer of the fourteenth film layer is a silicon dioxide film layer 2, the second layer is a titanium dioxide film layer 3, the third layer is a silicon dioxide film layer 2, the fourth layer is a titanium dioxide film layer 3, the fifth layer is a silicon dioxide film layer 2, the sixth layer is a titanium dioxide film layer 3, the seventh layer is a silicon dioxide film layer 2, the eighth layer is a titanium dioxide film layer 3, the ninth layer is a silicon dioxide film layer 2, the tenth layer is a titanium dioxide film layer 3, the eleventh layer is a silicon dioxide film layer 2, the twelfth layer is a titanium oxide film layer, the tenth layer is a silicon dioxide film layer 2, and the fourteenth layer is an anti-fingerprint AF film layer 4. Seven silicon dioxide film layers 2 and six titanium dioxide film layers 3 are alternately coated, and the silicon dioxide film layers 2 are used as a first film layer and a thirteenth film layer, so that the transmissivity of the polycarbonate lens 1 can be improved, the reflectivity is reduced, the light reflection and scattering can be reduced, the fingerprint prevention layer is used as a fourteenth layer, fingerprints and oil stains can be prevented from being remained on the lens, and meanwhile, the high-transmittance low-reflection optical performance of the whole film system can not be influenced.
With continued reference to fig. 1-3, in one embodiment of the present utility model, the first layer has a thickness of 30.29-30.49nm, the second layer has a thickness of 14.24-14.44nm, the third layer has a thickness of 41.19-41.39nm, the fourth layer has a thickness of 45.43-45.63nm, the fifth layer has a thickness of 14.90-15.10nm, the sixth layer has a thickness of 47.45-47.65nm, the seventh layer has a thickness of 57.42-57.52nm, the eighth layer has a thickness of 14.90-15.10nm, the ninth layer has a thickness of 70.02-70.22nm, the tenth layer has a thickness of 39.56-39.76nm, the eleventh layer has a thickness of 14.90-15.10nm, the twelfth layer has a thickness of 46.38-46.58nm, the tenth layer has a thickness of 80.39-80.59nm, and the fourteenth layer has a thickness of 11.90-12.90 nm. The thickness of the film layer affects the reflectivity of the mirror plate 1, and to achieve ultra-low reflectivity, the thickness of the film layer needs to be controlled as required, wherein the thickness of the first silicon dioxide film layer 2 is preferably 30.39nm, the thickness of the second titanium dioxide film layer 3 is preferably 14.34nm, the thickness of the third silicon dioxide film layer 2 is preferably 41.29nm, the thickness of the fourth titanium dioxide film layer 3 is preferably 45.53nm, the thickness of the fifth silicon dioxide film layer 2 is preferably 15.00nm, the thickness of the sixth titanium dioxide film layer 3 is preferably 47.55nm, the thickness of the seventh silicon dioxide film layer 2 is preferably 57.52nm, the thickness of the eighth titanium dioxide film layer 3 is preferably 15.00nm, the thickness of the ninth silicon dioxide film layer 2 is preferably 70.12nm, the thickness of the tenth titanium dioxide film layer 3 is preferably 39.66nm, the thickness of the eleventh silicon dioxide film layer 2 is preferably 15.00nm, the thickness of the twelfth titanium dioxide film layer 3 is preferably 46.48nm, the thickness of the thirteenth silicon dioxide film layer 2 is preferably 62.00 nm, and the thickness of the fourteenth silicon dioxide film layer is preferably 62.4 nm.
With continued reference to fig. 1 to 3, in an embodiment of the present utility model, the refractive index of the titanium dioxide film layer 3 is 2.2-2.59, the refractive index of the silicon dioxide film layer 2 is 1.43-1.47, and the refractive index of the anti-fingerprint AF film layer 4 is 1.48-1.5. The utility model adopts the test wavelength of 550nm, the incidence angle of light is 0 degree to test, the actual measured refractive index of titanium dioxide is 2.39, the actual measured refractive index of silicon dioxide is 1.46, the actual measured refractive index of the anti-fingerprint AF film layer 4 is 1.49, and the refractive index of the PC lens is 1.59.
FIG. 1 shows the first and second order sensitivities of the layers of the optical antireflection film of the present utility model, where the abscissa indicates different layers and the ordinate indicates the sensitivity coefficient of the layer, and the greater the sensitivity coefficient, the more sensitive the layer to thickness errors. The figure shows that the sensitivity coefficient of the 13 film layers is in the order of 10-4, the sensitivity coefficient is lower, and the film layers have good tolerance on thickness errors in production, thereby being beneficial to the stability of production.
The greatest advantage is that the following steps can be realized simultaneously: the effect of ultra-low reflectivity of the broadband of 420nm-680nm can be realized, and the reflectivity is lower than 0.1% in the wave band of visible light of 420-680nm as shown in figure 2. The optical performance of the PC lens can be effectively improved.
The utility model has the following working principle: according to the utility model, in the film layer group formed by plating the polycarbonate lens, seven silicon dioxide film layers and six titanium dioxide film layers are used for alternately coating films between the first layer and the tenth layer, the first layer is the silicon dioxide film layer, the reflectivity of the polycarbonate lens can be improved and reduced, the effect of ultralow reflectivity of a broadband of 420nm-680nm can be realized, the permeability is improved, the fourteenth layer is provided with the fingerprint AF preventing layer, the polycarbonate lens can be prevented from being stained with fingerprints and grease, and meanwhile, the firmness of the film layers can be ensured.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (4)
1. An ultra-low reflectivity optical anti-reflection film applied to a polycarbonate lens, which is characterized in that: the optical antireflection film main body comprises fourteen film layers, the fourteen film layers are arranged on the surface of the PC lens, and each fourteen film layer comprises seven silicon dioxide film layers, six titanium dioxide film layers and one fingerprint AF prevention film layer.
2. An ultra-low reflectivity optical anti-reflection film for use in a polycarbonate lens as described in claim 1, wherein: the fourteenth layer film is sequentially arranged from near to far from the PC lens, the first layer of the fourteenth layer film is a silicon dioxide film, the second layer of the fourteenth layer film is a titanium dioxide film, the third layer of the fourteenth layer film is a silicon dioxide film, the fourth layer of the fourteenth layer film is a titanium dioxide film, the fifth layer of the fourteenth layer film is a silicon dioxide film, the seventh layer of the fourteenth layer film is a silicon dioxide film, the eighth layer of the fourteenth layer film is a titanium dioxide film, the tenth layer of the thirteenth layer film is a silicon dioxide film, and the fourteenth layer of the fourteenth layer film is an anti-fingerprint AF film.
3. An ultra-low reflectivity optical anti-reflection film for use in a polycarbonate lens as described in claim 2, wherein: the thickness of the first layer is 30.29-30.49nm, the thickness of the second layer is 14.24-14.44nm, the thickness of the third layer is 41.19-41.39nm, the thickness of the fourth layer is 45.43-45.63nm, the thickness of the fifth layer is 14.90-15.10nm, the thickness of the sixth layer is 47.45-47.65nm, the thickness of the seventh layer is 57.42-57.52nm, the thickness of the eighth layer is 14.90-15.10nm, the thickness of the ninth layer is 70.02-70.22nm, the thickness of the tenth layer is 39.56-39.76nm, the thickness of the eleventh layer is 14.90-15.10nm, the thickness of the twelfth layer is 46.38-46.58nm, the thickness of the tenth layer is 80.39-80.59nm, and the thickness of the fourteenth layer is 11.90-12.10nm.
4. An ultra-low reflectivity optical anti-reflection film for use in a polycarbonate lens as described in claim 1, wherein: the refractive index of the titanium dioxide film layer is 2.2-2.59, the refractive index of the silicon dioxide film layer is 1.43-1.47, and the refractive index of the anti-fingerprint AF film layer is 1.48-1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322162261.0U CN220650923U (en) | 2023-08-11 | 2023-08-11 | Ultralow-reflectivity optical antireflection film applied to polycarbonate lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322162261.0U CN220650923U (en) | 2023-08-11 | 2023-08-11 | Ultralow-reflectivity optical antireflection film applied to polycarbonate lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220650923U true CN220650923U (en) | 2024-03-22 |
Family
ID=90289287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322162261.0U Active CN220650923U (en) | 2023-08-11 | 2023-08-11 | Ultralow-reflectivity optical antireflection film applied to polycarbonate lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220650923U (en) |
-
2023
- 2023-08-11 CN CN202322162261.0U patent/CN220650923U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10162084B2 (en) | Reflective, colored, or color-shifting scratch resistant coatings and articles | |
| US9817155B2 (en) | Optical lens with scratch-resistant anti-reflective layer | |
| KR102274553B1 (en) | Durable Anti-reflective Articles | |
| US8746880B2 (en) | Optical product and eyeglass plastic lens | |
| US20200158917A1 (en) | Inorganic oxide articles with thin, durable anti-reflective structures | |
| EP2589992A1 (en) | Optical product and plastic eyeglass lens | |
| US20210122671A1 (en) | Hard anti-reflective coatings | |
| US11520082B2 (en) | Hybrid gradient-interference hardcoatings | |
| US20230280502A1 (en) | Hybrid gradient-interference hardcoatings | |
| US20230010461A1 (en) | Articles with thin, durable anti-reflection coatings with extended infrared transmission | |
| JPH08110401A (en) | Transparent high refractive index film and transparent laminated body | |
| JP2006126233A (en) | Spectacle lens with antireflection film | |
| CN220650923U (en) | Ultralow-reflectivity optical antireflection film applied to polycarbonate lens | |
| KR102056339B1 (en) | Optical product and plastic eyeglass lens | |
| WO2023058742A1 (en) | Transparent article | |
| US20240045106A1 (en) | Low reflectance, anti-reflective film structures with controlled color and articles with the same | |
| JP7402669B2 (en) | Optical element with anti-reflection coating | |
| JP2023524214A (en) | Antireflection coating for coating waveguide optics and method of forming the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |