Modified high anti-reflection optical film
Through the design of a multi-layer film structure, the transmittance and stability problems of high-reflectivity optical films in multiple wavelengths and harsh environments are solved, and efficient anti-reflection and environmental resistance in a wide wavelength range are achieved.
Patent Information
- Application Number
- CN202422650969.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing high-reflectivity optical films have insufficient transmittance under the action of multiple different wavelengths of light, and their chemical stability and optical properties are affected in high temperature, high humidity, strong acid and alkali environments.
A multi-layer film structure is adopted, including a base layer, a first and a second anti-reflection film layer, an anti-interference layer and a protective layer, which are respectively made of different materials and deposited by physical or chemical vapor deposition technology to enhance the bonding strength between the film layers.
Improve light transmittance in a wide wavelength range, enhance resistance to harsh environments, and ensure the stability and durability of optical performance.
Smart Images
Figure CN223320609U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical films, in particular to a modified high-reflectivity optical film. Background Art
[0002] In the field of modern optics, high anti-reflection optical films play a vital role in improving the light transmittance of optical components and improving imaging quality. Traditional high anti-reflection optical films can reduce the reflectivity of the optical component surface to a certain extent, thereby increasing the light transmittance.
[0003] With the continuous development of optical technology and the increasing requirements for optical performance, existing high-antireflection optical films have some limitations. For example, some single antireflection films can often only achieve good antireflection effects for specific wavelengths or a narrow wavelength range, and it is difficult to meet the high transmittance requirements under the simultaneous action of multiple different wavelengths of light. In addition, under some special environmental conditions, such as high temperature, high humidity, strong acid and alkali environments, the chemical stability and optical properties of traditional antireflection films will be affected by environmental factors, thereby reducing the ability of high-antireflection optical films to maintain their performance.
[0004] To this end, a modified high anti-reflection optical film is proposed. Utility Model Content
[0005] The purpose of the present utility model is to provide a modified high anti-reflection optical film, which can solve some limitations of existing high anti-reflection optical films, such as some single anti-reflection films can often only achieve good anti-reflection effects for specific wavelengths or a narrow wavelength range, and it is difficult to meet the high transmittance requirements under the simultaneous action of multiple different wavelengths of light. In addition, under some special environmental conditions, such as high temperature, high humidity, strong acid and alkali environments, the chemical stability and optical properties of traditional anti-reflection films will be affected by environmental factors, thereby reducing the ability of high anti-reflection optical films to maintain their performance.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a modified high anti-reflection optical film, comprising an optical film body, wherein the optical film body comprises a base layer, an anti-reflection film layer structure is disposed on top of the base layer, and a protective film layer structure is disposed on top of the anti-reflection film layer structure;
[0007] The antireflection film layer structure includes a first antireflection film layer and a second antireflection film layer, wherein the first antireflection film layer is arranged on top of the base layer, and the second antireflection film layer is arranged on top of the first antireflection film layer.
[0008] Preferably, the protective film layer structure includes an anti-interference layer and a protective layer, the anti-interference layer is arranged on top of the first anti-reflection film layer, and the protective layer is arranged on top of the anti-interference layer.
[0009] Preferably, the anti-interference layer is made of a fluorocarbon polymer material and is disposed on top of the first anti-reflection film layer.
[0010] Preferably, the protective layer is made of aluminum oxide material and is arranged on top of the anti-interference layer.
[0011] Preferably, the first anti-reflection film layer is made of silicon dioxide material, and the second anti-reflection film layer is made of magnesium fluoride material.
[0012] Preferably, the base layer is made of one of PET, PC, and PMMA materials.
[0013] Preferably, the first anti-reflection film layer, the second anti-reflection film layer, the anti-interference layer and the protective layer are deposited in sequence using physical vapor deposition or chemical vapor deposition technology.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] 1. This application provides an anti-reflection film layer structure to enhance the transmittance of light of different specific wavelengths, enabling the optical film body to achieve a highly efficient anti-reflection effect over a wider wavelength range, thereby increasing the transmittance of the optical element in a multi-wavelength light environment, thereby improving imaging quality, optical communication efficiency, etc.
[0016] 2. This application enhances the ability of the optical film body to resist interference from external environmental factors by setting up a protective film layer structure. In a high-temperature environment, it can prevent high temperature from causing thermal damage to the internal film layer structure; in a high-humidity environment, it can block the intrusion of moisture and avoid the degradation of optical performance due to moisture absorption; in a strong acid and alkali environment, it can resist the erosion of acid and alkali, ensuring that the performance of the optical film body is not affected, so that the optical film body can maintain its capabilities under various harsh environmental conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is the overall structure diagram of the modified high anti-reflection optical film of the utility model;
[0018] Figure 2 This is an exploded schematic diagram of the main body of the optical film of the utility model;
[0019] Figure 3 This is a schematic diagram of the decomposition of the antireflection film structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the decomposition of the protective film layer structure of the present invention.
[0021] In the figure, 1, optical film body; 2, base layer; 3, anti-reflection film layer structure; 31, first anti-reflection film layer; 32, second anti-reflection film layer; 4, protective film layer structure; 41, anti-interference layer; 42, protective layer. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figure 1-4 , this utility model provides a technical solution:
[0024] A modified high anti-reflection optical film comprises an optical film body 1, wherein the optical film body 1 comprises a base layer 2, an anti-reflection film layer structure 3 is provided on the top of the base layer 2, and a protective film layer structure 4 is provided on the top of the anti-reflection film layer structure 3;
[0025] The antireflection film layer structure 3 includes a first antireflection film layer 31 and a second antireflection film layer 32 . The first antireflection film layer 31 is disposed on top of the base layer 2 , and the second antireflection film layer 32 is disposed on top of the first antireflection film layer 31 .
[0026] In this embodiment: by providing the first anti-reflection film layer 31 and the second anti-reflection film layer 32, when the two are used in conjunction, the first anti-reflection film layer 31 can play a preliminary anti-reflection effect, and the second anti-reflection film layer 32 and the first anti-reflection film layer 31 work together to further reduce the reflectivity, so that the optical film body 1 can achieve a high-efficiency anti-reflection effect in a wider wavelength range, thereby improving the transmittance of the optical element in a multi-wavelength light environment.
[0027] Specifically, such as Figure 2 、 Figure 4 As shown, the protective film layer structure 4 includes an anti-interference layer 41 and a protective layer 42 . The anti-interference layer 41 is arranged on top of the first anti-reflection film layer 31 , and the protective layer 42 is arranged on top of the anti-interference layer 41 .
[0028] Specifically, such as Figure 4 As shown, the anti-interference layer 41 is made of a fluorocarbon polymer material and is disposed on top of the first anti-reflection film layer 31 .
[0029] Specifically, such as Figure 4 As shown, the protection layer 42 is made of aluminum oxide material and is disposed on top of the anti-interference layer 41 .
[0030] In this embodiment: by providing an anti-interference layer 41 composed of a fluorocarbon polymer material, since the fluorocarbon polymer has excellent chemical resistance, it can maintain the stability and durability of the optical film body 1 in harsh environments, and by providing a protective layer 42 composed of an aluminum oxide material, since aluminum oxide has the advantages of wear resistance, corrosion resistance, and good high-temperature stability, it can protect the internal anti-reflection film layer structure 3 from the influence of friction and moisture, thereby ensuring the long-term stability of the entire optical film body 1.
[0031] Specifically, such as Figure 3 As shown, the first antireflection film layer 31 is made of silicon dioxide material, and the second antireflection film layer 32 is made of magnesium fluoride material.
[0032] Specifically, such as Figure 2 As shown, the base layer 2 is made of one of PET, PC, and PMMA materials.
[0033] In this embodiment: by setting the first anti-reflection film layer 31 and the second anti-reflection film layer 32 to be composed of silicon dioxide and magnesium fluoride materials respectively, the first anti-reflection film layer 31 and the second anti-reflection film layer 32 work together to further reduce the reflectivity, so that the optical film body 1 can achieve a high-efficiency anti-reflection effect in a wider wavelength range, thereby improving the transmittance of the optical element in a multi-wavelength light environment. By setting the base layer 2 to be composed of one of PET, PC, and PMMA materials, it can provide a basic structure and support for the anti-reflection film layer structure 3, while protecting the anti-reflection film layer structure 3 from external damage and pollution.
[0034] Specifically, such as Figure 2 、 3 As shown in , 4 , the first anti-reflection film layer 31 , the second anti-reflection film layer 32 , the anti-interference layer 41 and the protective layer 42 are sequentially deposited by using physical vapor deposition or chemical vapor deposition technology.
[0035] In this embodiment, the first anti-reflection film layer 31, the second anti-reflection film layer 32, the anti-interference layer 41 and the protective layer 42 are sequentially deposited using physical vapor deposition or chemical vapor deposition technology, which can ensure the bonding strength between the first anti-reflection film layer 31, the second anti-reflection film layer 32, the anti-interference layer 41 and the protective layer 42, thereby ensuring the overall stability of the optical film body 1.
[0036] Working principle: Through the setting of the first anti-reflection film layer 31 and the second anti-reflection film layer 32, when used in conjunction with the two, the first anti-reflection film layer 31 can play a preliminary anti-reflection effect, and the second anti-reflection film layer 32 works synergistically with the first anti-reflection film layer 31 to further reduce the reflectivity, so that the optical film body 1 can achieve a high-efficiency anti-reflection effect in a wider wavelength range, thereby improving the transmittance of the optical element in a multi-wavelength light environment, and through the anti-interference layer 41, the ability of the optical film body 1 to resist interference from external environmental factors can be enhanced. In a high temperature environment, it can prevent high temperature from causing thermal damage to the internal film layer structure; in a high humidity environment, it can block the intrusion of moisture and avoid the degradation of optical performance due to moisture absorption; in a strong acid and alkali environment, it can resist the erosion of acid and alkali, ensuring that the performance of the optical film body 1 is not affected, so that the optical film body 1 can maintain its ability under various harsh environmental conditions, and through the protective layer 42, the internal anti-reflection film layer structure 3 can be protected from the influence of friction and moisture, ensuring the long-term stability of the entire optical film body 1.
[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A modified high-reflection optical film, comprising an optical film body (1), characterized in that: The optical film body (1) comprises a base layer (2), an antireflection film layer structure (3) is provided on the top of the base layer (2), and a protective film layer structure (4) is provided on the top of the antireflection film layer structure (3); The antireflection film layer structure (3) comprises a first antireflection film layer (31) and a second antireflection film layer (32), wherein the first antireflection film layer (31) is arranged on top of the base layer (2), and the second antireflection film layer (32) is arranged on top of the first antireflection film layer (31).
2. The modified high anti-reflection optical film according to claim 1, characterized in that: The protective film layer structure (4) comprises an anti-interference layer (41) and a protective layer (42), wherein the anti-interference layer (41) is arranged on top of the first anti-reflection film layer (31), and the protective layer (42) is arranged on top of the anti-interference layer (41).
3. The modified high anti-reflection optical film according to claim 2, characterized in that: The anti-interference layer (41) is made of a fluorocarbon polymer material and is arranged on top of the first anti-reflection film layer (31).
4. The modified high anti-reflection optical film according to claim 2, characterized in that: The protective layer (42) is made of aluminum oxide material and is arranged on top of the anti-interference layer (41).
5. The modified high anti-reflection optical film according to claim 1, characterized in that: The first anti-reflection film layer (31) is made of silicon dioxide material, and the second anti-reflection film layer (32) is made of magnesium fluoride material.
6. The modified high anti-reflection optical film according to claim 1, characterized in that: The base layer (2) is made of one of PET, PC and PMMA materials.
7. The modified high anti-reflection optical film according to claim 2, characterized in that: The first anti-reflection film layer (31), the second anti-reflection film layer (32), the anti-interference layer (41) and the protective layer (42) are deposited in sequence using physical vapor deposition or chemical vapor deposition technology.