CN213843695U - Sun glasses lens - Google Patents

Abstract

The application relates to a sunglasses piece, it includes the polarisation layer, one side on polarisation layer has set gradually discoloration layer, filter layer and first antifouling layer, the opposite side on polarisation layer has set gradually wearing layer and the antifouling layer of second, first antifouling layer and the antifouling layer of second are the polytetrafluoroethylene layer. The anti-fouling lens has the effects that the anti-fouling performance is good, and dirt is not easy to adhere to the surface of the lens to interfere human eyes to observe external things.

Description

Sun glasses lens

Technical Field

The present application relates to the field of sunglasses, and more particularly, to a sunglass lens.

Background

In the sunlight, the light flux is usually adjusted by adjusting the size of the pupil, and when the light intensity exceeds the adjusting capacity of the eyes, the light can cause harm to the eyes. Therefore, in outdoor activity places, sunglasses are needed to shield sunlight so as to relieve fatigue caused by eye adjustment or damage caused by strong light stimulation. Sunglasses generally include a frame and lenses, and the types of lenses are roughly classified into anti-reflection protective lenses, colored lenses, color-coated lenses, polarized lenses, color-changing lenses, and the like.

In the related art, chinese patent publication No. CN208263292U discloses a sunglasses lens, which includes a toner sheet of a flat sheet and a transparent lens, wherein the toner sheet is made of a toner sheet base material doped with toner, and the transparent lens is made of a transparent resin material and is integrated with the toner sheet in an injection molding manner, so as to solve the problems of chromatic aberration of the conventional sunglasses lens or easy scratching and damage of a coating layer on the lens.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the sunglass lens is poor in antifouling performance, dirt such as dust and fingerprints is easily adhered to the surface of the sunglass lens in daily use, and accordingly the phenomenon that human eyes observe external objects is interfered is caused, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the antifouling performance of the lens and prevent the dirt from attaching to the surface of the lens to interfere the human eyes to observe external things, the application provides a sunglass lens.

The application provides a sunglasses piece adopts following technical scheme:

the utility model provides a sunglasses, includes the polarisation layer, one side on polarisation layer has set gradually discoloration layer, filter layer and first antifouling layer, the opposite side on polarisation layer has set gradually wearing layer and the antifouling layer of second, first antifouling layer and the antifouling layer of second are the polytetrafluoroethylene layer.

By adopting the technical scheme, the polarized light layer can filter out a plurality of polarized lights in diffuse reflection, so that the light intensity in the sky is weakened, and the visual field of human eyes is clearer and more natural. The color changing layer is used for changing the color of the lens, so that the lens becomes dark under the irradiation of light and ultraviolet rays, thereby blocking and absorbing the ultraviolet rays, and recovering the colorless transparent state after returning to the dark place, so as to ensure the transmittance of the lens. The filter layer is used for filtering the bad light in the light rays and plays a role in protecting human eyes from being stabbed by the light rays. The wear-resisting layer is positioned on one side of the polarizing layer, so that the wear resistance of the lens is enhanced, and the polarizing layer is not easy to wear. First antifouling layer and the antifouling layer branch of second establish in the both sides on polarisation layer for filths such as dust and fingerprint are difficult for pasting on the two sides of lens, and the visual range of people's eye is difficult blockked by the filths, can not influence people and observe outside thing. In addition, the polytetrafluoroethylene has the advantages of low friction coefficient and good lubricity, and also has excellent chemical stability, corrosion resistance and high temperature resistance, and the first antifouling layer and the second antifouling layer are made of the material, so that the antifouling property is good, the corrosion resistance and the high temperature resistance of the lens can be improved, and the service life of the lens is prolonged.

Optionally, the color-changing layer is a silver halide layer.

By adopting the technical scheme, the silver halide is a compound formed by halogen and silver, has the advantage of good photosensitivity, and can quickly deepen color under the action of illumination, thereby protecting human eyes from being stabbed by strong light. The color-changing layer is made of the materials and has the advantages of good photosensitivity, high color-changing speed and good protection effect.

Optionally, a TAC layer is disposed between the filter layer and the first antifouling layer.

Through adopting above-mentioned technical scheme, the TAC layer is located between filter layer and the antifouling layer of first, can weaken the highlight earlier before light gets into the filter layer to eliminate dazzling reflected light and scattered light, thereby let indiscriminate light become parallel light, make look the thing more clear, soft, help improving the filter effect of filter layer to light and further protect people's eyes.

Optionally, a film coating layer is arranged between the TAC layer and the filter layer.

By adopting the technical scheme, the coating layer is arranged between the filter layer and the TAC layer, so that the surface of the filter layer is protected from being scratched, and the wear resistance of the lens is further improved.

Optionally, the coating layer is an SFM coating.

By adopting the technical scheme, the SFM coating is glossier than the common mercury coating, the reflection of light can be reduced, and the advantage of good abrasion resistance is also realized, so that the filter layer is not easily abraded after the TAC layer is damaged, the abrasion resistance of the lens is good, and the service life of the lens is long.

Optionally, an antifogging layer is arranged between the TAC layer and the first antifouling layer.

By adopting the technical scheme, the antifogging layer can effectively prevent or avoid water mist from being condensed on the surface of the TAC layer, so that the water mist is prevented from blocking the sight of human eyes.

Optionally, the antifogging layer is a PET-carbon fiber antifogging film.

By adopting the technical scheme, the PET-carbon fiber antifogging film has the advantages of high toughness, strong tensile resistance, high temperature resistance and strong oxidation resistance, and the antifogging performance of the whole film is not affected even if a certain point is broken. The antifogging layer is made of the material, and has strong stability and long service life.

Optionally, the wear-resistant layer is a polyvinyl alcohol coating.

By adopting the technical scheme, the polyvinyl alcohol is an organic compound, is easy to form a film and has excellent mechanical property, and the wear-resistant layer is made of the material and has the advantages of good wear resistance, easy processing and forming and the like.

Optionally, a PMMA layer is disposed between the polarizing layer and the wear-resistant layer.

By adopting the technical scheme, the PMMA is also called acrylic or organic glass, has the advantages of high transparency, low price, good heat resistance, high toughness, easy machining and the like, is arranged between the polarizing layer and the wear-resistant layer, and can protect the polarizing layer from being burnt by heat when the lens is in a high-temperature environment, thereby improving the heat resistance and the toughness of the lens.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first antifouling layer and the second antifouling layer are respectively arranged on the end surfaces of the two sides of the lens, so that dirt such as dust, sweat, fingerprints and the like is not easy to attach to the surface of the lens, the observation of external things by human eyes is not interfered, and the daily activities of people are facilitated;

2. the color-changing layer made of silver halide can be quickly darkened when meeting light, so that human eyes are protected from being stabbed by strong light; the TAC layer can weaken strong light before the light enters the filter layer to eliminate dazzling reflected light and scattered light, so that the visual objects are clearer and softer;

the SFM coating not only can reduce the reflection amount of light rays, but also has the advantage of good abrasion resistance; the PMMA layer has the advantages of good heat resistance and strong toughness, and the heat resistance and the toughness of the lens are enhanced; the antifogging layer makes the lens surface be difficult for gathering water smoke, avoids water smoke to shelter from people's eye sight.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Description of reference numerals: 1. a first antifouling layer; 2. an antifogging layer; 3. a TAC layer; 4. coating a film layer; 5. a filter layer; 6. a color-changing layer; 7. a polarizing layer; 8. a PMMA layer; 9. a wear layer; 10. a second anti-fouling layer.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a sunglass lens. Referring to fig. 1, the sunglass lens includes a first antifouling layer 1, an antifogging layer 2, a TAC layer 3, a coating layer 4, a filter layer 5, a color-changing layer 6, a polarizing layer 7, a PMMA layer 8, an abrasion-resistant layer 9 and a second antifouling layer 10, which are sequentially arranged from top to bottom.

Referring to fig. 1, the first antifouling layer 1 and the second antifouling layer 10 are both made of polytetrafluoroethylene materials, so that the friction coefficient is low, the lubricity is good, dirt such as dust, sweat and fingerprints is not easy to adhere to the surfaces of the antifogging layer 2 and the wear-resistant layer 9, and the observation of external things by human eyes is not interfered; the lens has excellent corrosion resistance and high temperature resistance, can effectively protect each layer structure between the lenses, and improves the corrosion resistance and the high temperature resistance of the lenses.

Referring to fig. 1, the antifogging layer 2 is a PET-carbon fiber antifogging film which is high in toughness, strong in tensile resistance and good in high temperature resistance, and can effectively prevent water mist from condensing on the surface of a lens and prevent the water mist from blocking sight. And the PET-carbon fiber antifogging film does not affect the antifogging performance of the whole film after being broken at a certain point, and has good antifogging effect.

Referring to fig. 1, the TAC layer 3 is made of a TAC sheet, and can weaken strong light after light enters from the first anti-fouling layer 1 and the anti-fog layer 2 to eliminate dazzling reflected light and scattered light, so that objects can be seen more clearly and softly.

Referring to fig. 1, the coating layer 4 is an SFM coating, which has better glossiness and wear resistance compared with a common coating, and plays a role in protecting the filter layer 5, so that the filter layer 5 is not easily scratched and worn, and the wear resistance of the lens is enhanced.

Referring to fig. 1, the filter layer 5 is a blue light filtering protective film, which is made of optical-grade PET material, has high light transmittance, and can effectively block blue light harmful to human eyes, thereby playing a role in protecting human eyes.

Referring to fig. 1, the color-changing layer 6 is made of silver halide material, such as silver chloride, which has good photosensitivity, and the color will quickly become dark under the action of light, and will return to a colorless transparent state after returning to a dark place, thereby protecting human eyes from being stabbed by strong light.

Referring to fig. 1, the polarizing layer 7 is a polarizing plate, which can filter out part of polarized light in diffuse reflection, thereby weakening the light intensity and making the visual field more clear and natural.

Referring to fig. 1, the PMMA layer 8 is a plastic polymer material, has good transparency, chemical stability and weather resistance, and is located outside the polarizing layer 7 to protect the polarizing layer 7, thereby enhancing the heat resistance of the whole lens.

Referring to fig. 1, the wear-resistant layer 9 is formed by coating polyvinyl alcohol paint, has good wear resistance and is easy to form a film, and the PMMA layer 8 can be effectively protected from being worn after the second antifouling layer 10 is damaged, so that the wear resistance of the lens is enhanced.

The implementation principle of the sunglass lens in the embodiment of the application is as follows: the first antifouling layer 1 and the second antifouling layer 10 have low friction coefficient, so that dirt such as dust, sweat and fingerprints is not easy to adhere to the surface of the lens, and human eyes cannot be interfered to observe external things; the antifogging film makes the lens surface be difficult for the condensation water smoke, avoids water smoke to shelter from people's eye sight. Under the highlight environment, the discoloration layer 6 can darken rapidly and block ultraviolet rays, the filter layer 5 can filter blue light in light, and the TAC layer 3 is used for weakening the highlight and enabling messy light to become parallel light, so that the visual objects are softer and clearer. The wear-resistant layer 9 and the PMMA layer 8 enhance the wear resistance of the lens and prolong the service life of the lens.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. Sunglass lens comprising a polarizing layer (7), characterized in that: the antifouling coating is characterized in that a color changing layer (6), a filtering layer (5) and a first antifouling layer (1) are sequentially arranged on one side of the polarizing layer (7), a wear-resistant layer (9) and a second antifouling layer (10) are sequentially arranged on the other side of the polarizing layer (7), and the first antifouling layer (1) and the second antifouling layer (10) are polytetrafluoroethylene layers.

2. A sunglass lens according to claim 1, in which: the color-changing layer (6) is a silver halide layer.

3. A sunglass lens according to claim 1, in which: and a TAC layer (3) is arranged between the filtering layer (5) and the first antifouling layer (1).

4. A sunglass lens according to claim 3, in which: a film coating layer (4) is arranged between the TAC layer (3) and the filter layer (5).

5. A sunglass lens according to claim 4, in which: the coating layer (4) is an SFM coating.

6. A sunglass lens according to claim 3, in which: an antifogging layer (2) is arranged between the TAC layer (3) and the first antifouling layer (1).

7. A sunglass lens according to claim 6, in which: the anti-fog layer (2) is a PET-carbon fiber anti-fog film.

8. A sunglass lens according to claim 1, in which: the wear-resistant layer (9) is a polyvinyl alcohol coating.

9. A sunglass lens according to claim 8, in which: a PMMA layer (8) is arranged between the polarizing layer (7) and the wear-resistant layer (9).

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