CN217443575U

CN217443575U - Optical thin film filter

Info

Publication number: CN217443575U
Application number: CN202221078620.3U
Authority: CN
Inventors: 郭滨刚; 闫兴伍; 熊辉; 巫肇梅
Original assignee: Ganzhou Guangke Micro Nano Technology Co ltd
Current assignee: Ganzhou Guangke Micro Nano Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-16
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to the field of light filtering equipment, and discloses an optical thin film light filter which effectively solves the problem that when the external sunlight is stronger, the viscose between the filter substrate and the film body is easy to dry, which causes the film body to fall off and influences the filtering effect, and comprises a transparent substrate, one side of the light-transmitting base material is provided with a filtered lens, a transparent adhesive layer is coated between the light-transmitting base material and the filtered lens, the other side of the light-transmitting base material is provided with an antireflection layer, the compression-resistant protective layer is made of polyamide, so that the strength and rigidity of the membrane body are greatly improved, the transparent substrate and the antireflection layer are protected, the heat insulation protective layer is made of antimony-doped tin oxide, solar heat radiation is effectively isolated, the temperature of the antireflection layer is kept at a lower level, the temperature of the transparent adhesive layer is prevented from being higher, and the film body is prevented from falling off.

Description

Optical thin film filter

Technical Field

The utility model belongs to the optical filtering equipment field specifically is an optical film light filter.

Background

The optical thin film filter is an optical device which utilizes the interference effect of a multilayer film to realize the function of selecting a required optical waveband, the main structure is that the multilayer film with a certain structure and material distribution is adhered on a substrate, but in the preparation process of the thin film, the thin film can generate stress change under the conditions of material growth defects, the thermal expansion coefficient of the substrate, the initial stress state and the like, and all the inevitable thin films have stress.

When the external sunlight is strong, the temperature of the optical filter is high, the adhesive between the optical filter base material and the film body is easy to dry, and then the viscosity is reduced, so that the film body falls off, and the optical filtering effect is influenced.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an optical film light filter, when effectual external sunshine of having solved is stronger at present, the easy drying of viscose between light filter substrate and the membrane body causes the membrane body to drop then, influences the problem of filtering effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optical film filter, includes the printing opacity substrate, the filtered lens is installed to one side of printing opacity substrate, and the coating has transparent adhesive layer between printing opacity substrate and the filtered lens, and the antireflection coating is installed to the opposite side of printing opacity substrate, and the protective layer is installed to the opposite side of antireflection coating.

Preferably, the antireflection layer is including installing in the antireflection substrate layer of printing opacity substrate opposite side, and the one side coating that the antireflection substrate layer is close to the printing opacity substrate has the AR coating, and the opposite side coating of antireflection substrate layer has the AG coating.

Preferably, the protective layer comprises a pressure-resistant protective layer coated on one side of the AG coating layer, and one side of the pressure-resistant protective layer is coated with a heat-insulating protective layer.

Preferably, the material of the transparent adhesive layer is an acrylic adhesive.

Preferably, the material of the anti-reflection substrate layer is silicon dioxide.

Preferably, the material of the AR coating is polyethylene terephthalate, and the material of the AG coating is silicone resin.

Preferably, the compression-resistant protective layer is made of antimony-doped tin oxide, and the heat-insulating protective layer is made of polyamide.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses, the material through the resistance to compression protective layer is polyamide, and the intensity and the rigidity that improve the membrane body by a wide margin are higher, protect printing opacity substrate and antireflection layer, and the thermal-insulated protective layer is made by doping antimony tin oxide, and the effective isolated solar heat radiation makes the temperature of antireflection layer all be in lower level, and avoids transparent adhesive layer temperature higher, prevents that the membrane body from coming off;

(2) this novel main material through AR coating is polyethylene glycol terephthalate, and the material of antireflection substrate layer is silica, and both homoenergetic increases the light transmissivity to reduce the reverberation, the material of AG coating is silicone resin, makes light multi-angle diffuse reflection, improves visual angle, further reduces the reflection of light, improves the filtering effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the anti-reflection layer of the present invention;

FIG. 3 is a schematic view of the protective layer structure of the present invention;

in the figure: 1. a transparent substrate; 2. a filtered lens; 3. a transparent adhesive layer; 4. an anti-reflective layer; 401. an AR coating; 402. an antireflection substrate layer; 403. AG coating; 5. a protective layer; 501. a compression-resistant protective layer; 502. and a heat insulation protective layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment one is given by fig. 1-3, the utility model discloses a printing opacity substrate 1, one side of printing opacity substrate 1 is installed and is filtered lens 2, and the coating has transparent adhesive layer 3 between printing opacity substrate 1 and the filtered lens 2, and antireflection layer 4 is installed to the opposite side of printing opacity substrate 1, and protective layer 5 is installed to the opposite side of antireflection layer 4, and the material of transparent adhesive layer 3 is the ya keli adhesive.

In the second embodiment, on the basis of the first embodiment, the antireflection layer 4 includes an antireflection substrate layer 402 installed on the other side of the light-transmitting substrate 1, one side of the antireflection substrate layer 402 close to the light-transmitting substrate 1 is coated with an AR coating 401, the other side of the antireflection substrate layer 402 is coated with an AG coating 403, the antireflection substrate layer 402 is made of silicon dioxide, the AR coating 401 is made of polyethylene terephthalate, the AR coating 401 is mainly made of polyethylene terephthalate, the antireflection substrate layer 402 is made of silicon dioxide, both the light transmittance can be increased, so that the reflected light is reduced, the AG coating 403 is made of silicon resin, and the AG coating 403 is made of silicon resin, so that the multi-angle diffuse reflection can be achieved, the visual angle effect is improved, and the reflected light is further reduced;

third embodiment, on the basis of first embodiment, protective layer 5 is including coating the resistance to compression protective layer 501 in AG coating 403 one side, one side coating of resistance to compression protective layer 501 has thermal-insulated protective layer 502, the material of resistance to compression protective layer 501 is for doping antimony tin oxide, thermal-insulated protective layer 502 is made by doping antimony tin oxide, thereby effectual isolated solar heat radiation, thereby make the temperature of transparent adhesive layer 3 and antireflection layer 4 all be in lower level, thereby protect antireflection layer 4, and avoid transparent adhesive layer 3 temperature higher, cause the membrane body to drop, the material of thermal-insulated protective layer 502 is polyamide, the material of resistance to compression protective layer is polyamide, and polyamide coating's intensity and rigidity are higher, increase substantially membrane body intensity, thereby protect translucent substrate 1 and antireflection layer 4.

The working principle is as follows: when the anti-pressure protective layer is used, the material of the anti-pressure protective layer is polyamide, the strength and the rigidity of the polyamide coating are high, so that the transparent substrate 1 and the anti-reflection layer 4 are protected, the heat insulation protective layer 502 is made of antimony-doped tin oxide, solar heat radiation is effectively isolated, the temperatures of the transparent adhesive layer 3 and the anti-reflection layer 4 are both in a low level, the anti-reflection layer 4 is protected, the high temperature of the transparent adhesive layer 3 is avoided, and the film body is prevented from falling off;

the main material of AR coating 401 is polyethylene glycol terephthalate, and the material of antireflection substrate layer 402 is silica, and both can increase the light transmissivity, thereby reduce the reverberation, thereby improve the observation effect that the driver used the rear-view mirror, and AG coating 403's material is silicone resin, makes light multi-angle diffuse reflection, improves visual angle, further reduces the reflection of light, improves the filtering effect.

Claims

1. An optical thin film filter comprising a light-transmitting substrate (1), characterized in that: the utility model discloses a light-transmitting substrate, including printing opacity base material (1), the coating has transparent adhesive layer (3) between printing opacity base material (1) and the filtered lens (2), and antireflection layer (4) are installed to the opposite side of printing opacity base material (1), and protective layer (5) are installed to the opposite side of antireflection layer (4).

2. An optical thin film filter according to claim 1, wherein: antireflection layer (4) are including installing in antireflection substrate layer (402) of printing opacity substrate (1) opposite side, and antireflection substrate layer (402) has AR coating (401) near the one side coating of printing opacity substrate (1), and the opposite side coating of antireflection substrate layer (402) has AG coating (403).

3. An optical thin film filter according to claim 2, wherein: the protective layer (5) comprises a pressure-resistant protective layer (501) coated on one side of the AG coating (403), and a heat-insulating protective layer (502) is coated on one side of the pressure-resistant protective layer (501).

4. An optical thin film filter according to claim 1, wherein: the transparent adhesive layer (3) is made of an acrylic adhesive.

5. An optical thin film filter according to claim 2, wherein: the material of the anti-reflection base material layer (402) is silicon dioxide.

6. An optical thin film filter according to claim 2, wherein: the AR coating (401) is made of polyethylene terephthalate, and the AG coating (403) is made of silicone resin.

7. An optical thin film filter according to claim 3, wherein: the compression-resistant protective layer (501) is made of antimony-doped tin oxide, and the heat-insulating protective layer (502) is made of polyamide.