CN211718642U

CN211718642U - Double-sided aspheric surface optical design color-changing lens

Info

Publication number: CN211718642U
Application number: CN202020563245.6U
Authority: CN
Inventors: 李军; 李强; 夏康俊
Original assignee: Jiangsu Maat Optical Technology Co ltd
Current assignee: Jiangsu Maat Optical Technology Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-10-20
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a double-sided aspheric surface optical design color-changing lens, which comprises a substrate, wherein the substrate is provided with an optical convex surface and an optical concave surface, the optical convex surface is provided with an inner convex surface positioned in the center and an outer convex surface surrounding the inner convex surface, and the curvature of the inner convex surface is larger than that of the outer convex surface; the nano composite film layer is vacuum-plated on the optical convex surface and comprises a first photochromic layer, a second high-refractive-index layer, a third anti-UV layer and a fourth hydrophobic layer. The utility model discloses an interior convex surface and the cooperation of evagination surface guarantee the number of degrees demand at lens center, reduce peripheral thickness, improve the convenience of joining in marriage to the while cooperation has the nanometer composite film layer of the effect of discolouing, avoids the trouble of lens function singleness in the past.

Description

Double-sided aspheric surface optical design color-changing lens

Technical Field

The application belongs to the technical field of lenses, and particularly relates to a double-sided aspheric optical design color-changing lens.

Background

In recent years, the proportion of myopia patients increases and the age group declines, and the number of people who wear presbyopic glasses for middle-aged and elderly people also gradually increases, so that more and more people need to wear glasses to correct vision, and a user with a large number of degrees needs to wear heavier lenses, so that the load of nose bridges and eyes is increased, and the comfort level is poor. And under outdoor strong sunshine, also cause the injury of eyes easily, do not have corresponding polarisation effect, need carry sunglasses in addition and use, it is very troublesome. Therefore, a pair of glasses which are light and can change color outdoors is an urgent need for improving the quality of life.

SUMMERY OF THE UTILITY MODEL

In view of this, the technical problem that this application will solve provides a two-sided aspheric surface optical design lens that discolours, through interior convex surface and the cooperation of evagination surface, guarantees the number of degrees demand at lens center, reduces peripheral thickness, improves the convenience of joining in marriage and taking to cooperate the nanocomposite rete that has the effect of discolouring simultaneously, avoid the trouble of lens function singleness in the past.

In order to solve the technical problem, the utility model discloses a double-sided aspheric optical design color-changing lens, which comprises a substrate, wherein the substrate is provided with an optical convex surface and an optical concave surface, the optical convex surface is provided with an inner convex surface positioned in the center and an outer convex surface surrounding the inner convex surface, and the curvature of the inner convex surface is larger than that of the outer convex surface; the nano composite film layer is vacuum-plated on the optical convex surface and comprises a first photochromic layer, a second high-refractive-index layer, a third anti-UV layer and a fourth hydrophobic layer.

According to an embodiment of the present invention, the optical concave surface is an aspheric surface.

According to the utility model discloses an embodiment, wherein above-mentioned interior convex surface accounts for optics convex surface 60% ~80% area.

According to an embodiment of the present invention, the refractive index of the second high refractive index layer is 2.35.

According to an embodiment of the present invention, the inner convex surface is 500 curved, and the outer convex surface is 100 curved.

Compared with the prior art, the application can obtain the following technical effects:

through interior convex surface and the cooperation of evagination surface, guarantee the number of degrees demand at lens center, reduce peripheral thickness, improve the convenience of joining in marriage to the nanocomposite rete that the cooperation has the effect of discolouing simultaneously avoids the trouble of lens function singleness in the past.

Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a color changing lens with double-sided aspheric surface optical design according to an embodiment of the present application;

fig. 2 is a cross-sectional view of a double-sided aspheric optical design color changing lens according to an embodiment of the present application.

Reference numerals

The optical film comprises a substrate 10, an optical convex surface 20, an inner convex surface 21, an outer convex surface 22, an optical concave surface 30, a nano composite film layer 40, a first photochromic layer 41, a second high refractive index layer 42, a third UV-resistant layer 43 and a fourth hydrophobic layer 44.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic diagram of a color-changing lens with aspheric surface and optical design according to an embodiment of the present application; fig. 2 is a cross-sectional view of a double-sided aspheric optical design color changing lens according to an embodiment of the present application. As shown in the figure, the double-sided aspheric optical design color changing lens comprises a substrate 10, wherein the substrate 10 is provided with an optical convex surface 20 and an optical concave surface 30, the optical convex surface 20 is provided with an inner convex surface 21 positioned in the center and an outer convex surface 22 surrounding the inner convex surface 21, and the curvature of the inner convex surface 21 is larger than that of the outer convex surface 22; the nanocomposite film layer 40 vacuum-coated on the optical convex surface 20, the nanocomposite film layer 40 includes a first photochromic layer 41, a second high refractive index layer 42, a third UV-resistant layer 43, and a fourth hydrophobic layer 44.

The utility model discloses an in the embodiment, substrate 10 sets up to the aspheric surface, divide into optics convex surface 20 and optics concave surface 30, and wherein, optics convex surface 20 divide into interior convex surface 21 and outer convex surface 22, and the camber of interior convex surface 21 is greater than the camber of outer convex surface 22, guarantees the adaptation of central zone diopter on the one hand, and the thickness in the less peripheral zone of on the other hand, and save material does benefit to simultaneously and assembles to the picture frame, reduces the counter weight, improves the comfort level of wearing. In addition, a nano-composite film layer 40 is vacuum-coated on the convex optical surface 20, and has a first photochromic layer 41, a second high refractive index layer 42, a third UV-resistant layer 43, and a fourth hydrophobic layer 44, so as to realize photochromic, relatively strong light-reflecting, radiation-resistant, and hydrophobic effects.

Preferably, the second high refractive index layer 42 has a refractive index of 2.35, so as to prevent the eye from being irritated by strong light.

Additionally, the utility model discloses an optics concave surface 30 is the aspheric surface, borrows this to improve and uses the spherical lens to easily look at and article produce distortion phenomenon, and the reinforcing can be looked at the article of reaching and have more clear, natural effect.

Preferably, the inner convex surface 21 occupies 60% -80% of the area of the optical convex surface, and the adaptation of the central diopter is guaranteed.

In addition, in one embodiment, the inner convex surface 21 has 500 bends, and the outer convex surface 22 has 100 bends, so that the radian is improved, the visual field is clear, and the wearing is comfortable.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A double-sided aspheric optical design color changing lens, comprising:

a substrate having an optical convex surface and an optical concave surface, the optical convex surface having a centrally located inner convex surface and an outer convex surface surrounding the inner convex surface, the inner convex surface curvature being greater than the outer convex surface curvature;

a nanocomposite film layer vacuum plated on the optical convex surface, the nanocomposite film layer including a first photochromic layer, a second high refractive index layer, a third anti-UV layer, and a fourth hydrophobic layer.

2. The double-sided aspheric optically designed color shifting lens of claim 1, wherein the optically concave surface is aspheric.

3. The double-sided aspheric optically designed color shifting lens of claim 1, wherein the inner convex surface occupies 60% to 80% of the area of the optical convex surface.

4. The aspherical, double-sided optical design color changing lens of claim 1, wherein the second high refractive index layer has a refractive index of 2.35.

5. The aspherical, double-sided optical design color shifting lens of claim 1, wherein the inner convex surface has a 500-bend and the outer convex surface has a 100-bend.