CN218886328U

CN218886328U - Photochromic lens with refractive index of 1.60

Info

Publication number: CN218886328U
Application number: CN202222712684.0U
Authority: CN
Inventors: 王翔宇
Original assignee: See World Optical Co ltd
Current assignee: See World Optical Co ltd
Priority date: 2022-10-15
Filing date: 2022-10-15
Publication date: 2023-04-18
Anticipated expiration: 2032-10-15

Abstract

The utility model discloses a 1.60 refracting index photochromism lens, it includes: a resin substrate having a refractive index of 1.60; an organic silicon film layer coated on the surface of the resin substrate in an impregnating way; the anti-reflection film layer is plated on the surface of the organic silicon film layer and comprises a first film layer group and a second film layer group which are superposed, the first film layer group comprises a silicon dioxide film layer and an aluminum oxide film layer which are superposed, and the second film layer group comprises a titanium pentoxide film layer and a zinc oxide film layer; a photochromic film layer plated on the surface of the antireflection film layer; and a waterproof film layer coated on the surface of the photochromic film layer. The utility model discloses a plating the system antireflection rete that contains first membrane layer group and second membrane layer group on 1.60 refracting index resin substrate, improve the antireflection effect of lens stray light, highlight, photochromism rete reinforcing photochromism effect accomplishes the eye protection and drives the use.

Description

Photochromic lens with refractive index of 1.60

Technical Field

The utility model belongs to the technical field of the lens that discolours, specifically speaking relates to a 1.60 refracting index photochromism lens.

Background

At present, the photochromic lens is a high-tech product integrating multiple functions. It can be used as dual-purpose glasses for vision correction and sun shading, and also can be used as protective glasses, fashionable glasses, special glasses for automobile driving, etc.

The photochromic lens is a black sunglass capable of replacing sunglasses under the condition of sunlight irradiation, and the dark lens can block dazzling light to prevent direct irradiation of the strong light, so that the photochromic lens has the function of protecting eyes; in a room with soft light, the photochromic lens is transparent and colorless as the common lens, and plays a good role of a bridge in the transition of weak light and strong light. The color-changing lens can not only become bright along with the dimming of the light intensity, but also absorb ultraviolet rays harmful to human eyes. Over 90% of skin cancers associated with uv radiation occur in the area above the neck, excessive exposure to uv light can cause skin cancer in and around the eyelids, in addition to skin cancer, uv radiation can increase the incidence of eye problems such as cataracts, macular degeneration, etc., and can damage the immune system, and photochromic lenses can reduce these damages caused by uv light. The photochromic lens is suitable for people working in the field for a long time or working on plateaus and snowfields, and can be used as goggles, because the ultraviolet intensity in the snow, mountains and water surfaces is much stronger than that in the common occasions, the injury to eyes is particularly serious, and meanwhile, the people in the occasions need to ensure that the eyes have enough definition, and the photochromic lens can just meet the requirement in the aspect.

However, for the existing photochromic lens with refractive index of 1.60, the lens has no strong antireflection effect on stray light and strong light, and the antireflection performance is weak, so that a photochromic lens with refractive index of 1.60 is urgently needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to solve the technical problem that a 1.60 refracting index photochromism lens is provided, through the antireflection rete that contains first membrane layer group and second membrane layer group of plating system on 1.60 refracting index resin substrate, improves the antireflection effect of lens stray light, highlight, photochromism rete reinforcing photochromism effect accomplishes the eye protection and drives the use.

In order to solve the technical problem, the utility model discloses a 1.60 refracting index photochromism lens, it includes: a resin substrate having a refractive index of 1.60;

an organic silicon film layer coated on the surface of the resin substrate in an impregnating way;

the anti-reflection film layer is plated on the surface of the organic silicon film layer and comprises a first film layer group and a second film layer group which are superposed, the first film layer group comprises a silicon dioxide film layer and an aluminum oxide film layer which are superposed, and the second film layer group comprises a titanium pentoxide film layer and a zinc oxide film layer;

a photochromic film layer plated on the surface of the antireflection film layer; and

a waterproof film layer coated on the surface of the photochromic film layer.

According to an embodiment of the present invention, the thickness of the first film layer set is 70nm to 120nm; the thickness of the second film layer group is 50nm-100nm.

According to the utility model discloses an embodiment, wherein above-mentioned anti-reflection coating is provided with 3 layers of first rete and 2 layers of second rete, and first rete and second rete are crisscross range upon range of each other.

According to the utility model discloses an embodiment, wherein still be provided with between above-mentioned photochromic rete and the waterproof rete and prevent the blue light rete.

According to the utility model discloses an embodiment wherein still is provided with the ultraviolet resistance rete between above-mentioned photochromic rete and the waterproof rete.

Compared with the prior art, the utility model discloses can obtain including following technological effect:

the anti-reflection film layer comprising the first film layer group and the second film layer group is plated on the resin substrate with the refractive index of 1.60, so that the anti-reflection effect of stray light and strong light of the lens is improved, the photochromic effect is enhanced by the photochromic film layer, and the eye protection driving use is completed.

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

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic view of a 1.60 index photochromic lens according to an embodiment of the present invention.

Reference numerals

The anti-reflection film comprises a resin substrate 10, an organic silicon film layer 20, an anti-reflection film layer 30, a first film layer group 31, a second film layer group 32, a silicon dioxide film layer 41, an aluminum oxide film layer 42, a titanium oxide film layer 43, a zinc oxide film layer 44, a photochromic film layer 50 and a waterproof film layer 60.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Referring to fig. 1, fig. 1 is a schematic view of a photochromic lens with a refractive index of 1.60 according to an embodiment of the present invention.

As shown, a 1.60 index photochromic lens includes: a resin substrate 10, a refractive index of the resin substrate 10 being 1.60; an organosilicon film layer 20 dip-coated on the surface of the resin substrate 10; the anti-reflection coating 30 is plated on the surface of the organosilicon coating 20, the anti-reflection coating 30 comprises a first coating group 31 and a second coating group 32 which are superposed, the first coating group 31 comprises a silicon dioxide coating 41 and an aluminum oxide coating 42 which are superposed, and the second coating group 32 comprises a trititanium pentoxide coating 43 and a zinc oxide coating 44; a photochromic film layer 50 plated on the surface of the anti-reflection film layer 30; and a waterproof film layer 60 coated on the surface of the photochromic film layer 50.

In one embodiment of the present invention, the resin substrate 10 is formed by curing a single resin in a mold, and has a refractive index of 1.60. The silicone film layer 20 is coated on the surface of the resin substrate 10 to form a dense hardened layer, thereby improving the hardness of the lens. The anti-reflection film layer 30 is coated on the surface of the organic silicon film layer 20 by ion gun vacuum sputtering, and is specifically divided into a first film layer group 31 and a second film layer group 32 which are laminated, so that the anti-reflection effect of the lens is improved.

The first film layer group 31 comprises a silicon dioxide film layer 41 and an aluminum oxide film layer 42, the second film layer group 32 comprises a titanium pentoxide film layer 43 and a zinc oxide film layer 44, the first film layer group 31 is a low-refraction film layer, and the second film layer group 32 is a high-refraction film layer group which are matched with each other, so that stray light and hard light can be continuously reflected, the antireflection effect of the lens is improved, and the antireflection effect is improved.

The photochromic film layer 50 is plated on the surface of the anti-reflection film layer 30, so that photochromic is realized, and the requirement of outdoor use is met. The waterproof film layer 60 is a film layer with good hydrophobic effect, and can be a fluoride film layer, so that the waterproof and antifogging effects are good.

In a preferred embodiment, the thickness of the first film layer group 31 is 70nm to 120nm; the second film layer group 32 has a thickness of 50nm to 100nm, thereby securing a desired refractive index.

Further, the antireflection film layer 31 is provided with 3 first film layer groups 31 and 2 second film layer groups 32, and the first film layer groups 31 and the second film layer groups 32 are stacked in a staggered manner, that is, the first film layer groups 31 are plated firstly, then the second film layer groups 32 are alternated, and then plating is performed again, so that 5 film layers are finally formed, and a sufficient antireflection effect is ensured.

Additionally, the utility model discloses a still be provided with between photochromic rete 50 and the waterproof rete 60 and prevent the blue light rete, prevent the blue light radiation. In other embodiments, an anti-uv film layer is disposed between the photochromic film layer 50 and the water-resistant film layer 60 to reduce uv radiation.

To sum up, the utility model discloses a plating system contains the anti-reflection rete of first membrane layer group and second membrane layer group on 1.60 refracting index resin substrate, improves the antireflection effect of lens stray light, highlight, and photochromic rete reinforcing photochromic effect accomplishes the eye protection and drives the use.

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

Claims

1. A 1.60 index photochromic lens comprising:

a resin substrate having a refractive index of 1.60;

the organic silicon film layer is coated on the surface of the resin substrate in a dipping way;

the anti-reflection film layer is plated on the surface of the organic silicon film layer and comprises a first film layer group and a second film layer group which are superposed, the first film layer group comprises a silicon dioxide film layer and an aluminum oxide film layer which are superposed, and the second film layer group comprises a titanium oxide film layer and a zinc oxide film layer;

and the waterproof film layer is coated on the surface of the photochromic film layer.

2. The 1.60 index photochromic lens of claim 1, wherein the first film layer set has a thickness of 70nm to 120nm; the thickness of the second film layer group is 50nm-100nm.

3. The 1.60 index photochromic lens of claim 2, wherein the antireflection film layer is provided with 3 layers of the first film layer group and 2 layers of the second film layer group, and the first film layer group and the second film layer group are alternately laminated.

4. The 1.60 index photochromic lens of claim 1, wherein a blue-light-proof film layer is further disposed between the photochromic film layer and the water-proof film layer.

5. The photochromic lens of claim 1.60, wherein an anti-ultraviolet film layer is further disposed between the photochromic film layer and the waterproof film layer.