High-definition anti-blue-light polarized lens

By setting alternating thicknesses of anti-reflective coating and blue light blocking coating on the resin lens, combined with a nanoscale honeycomb mesh structure, the problems of insufficient light transmittance and hardness of polarizing film are solved, thus achieving a resin lens with high definition and blue light blocking effect.

CN223566000UActive Publication Date: 2025-11-18JIANGSU AO KAI OPTICAL CO LTD
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Patent Information

Application Number
CN202423218044.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-18
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The polarizing film on existing resin lenses affects light transmittance and reflectivity, and its hardness is insufficient, making it easily scratched and damaged.

Method used

The design incorporates a resin lens substrate with a hardening layer, an anti-reflective layer, a protective layer, and a waterproof layer. This includes a first anti-reflective film layer, a second anti-reflective film layer, a first blue light blocking film layer, a TAC polarizing film layer, a second blue light blocking film layer, and a waterproof layer. Through alternating thickness design and a nano-level honeycomb mesh structure, it enhances light transmittance and blue light blocking while improving lens hardness.

Benefits of technology

It improves the blue light protection and light transmittance of the lenses, enhances visual clarity, and increases the hardness of the lenses to prevent scratches.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-definition blue-light-proof polarized lens, which comprises a resin lens substrate, a hardening layer and an antireflection layer, the antireflection layer comprises a first antireflection film layer and a second antireflection film layer, the thickness of the first antireflection film layer is gradually reduced from the center of the lens to the edge, and the thickness of the second antireflection film layer is gradually increased from the center of the lens to the edge; the protection layer is arranged on the surface of the antireflection layer and comprises a first blue light prevention film layer, a TAC polarizing film layer, a second blue light prevention film layer and a second blue light prevention film layer; the waterproof layer is arranged on the surface of the protective layer. The first anti-blue-light film layer, the TAC polarizing film layer and the second anti-blue-light film layer form a protective layer close to the outside, the polarizing effect and the anti-blue-light performance are guaranteed, meanwhile, the second anti-blue-light film layer is in a honeycomb shape on the outer side, light incidence can be further increased, the definition of the front sight line is improved, the anti-blue-light effect is preliminarily achieved, and the anti-blue-light performance is improved. And the TAC polarizing film layer in the middle layer completes polarization, and the first anti-blue-light film layer in the innermost layer completes anti-blue-light enhancement.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lens processing, specifically relates to a high definition anti-blue light polarized lens. BACKGROUND

[0002] In recent years, optical resin lenses are in increasing demand in the domestic and foreign spectacle market, and resin lenses have the advantages of light weight, good dyeing performance and easy processing compared with glass lenses, and high refractive index optical resin lenses are favored by users due to their high light transmittance, ultraviolet resistance and ultrathinness. Generally, in the lens industry, a refractive index of 1.60 or above is considered high refractive index, a refractive index of 1.56 is considered medium refractive index, and a refractive index below 1.56 is considered low refractive index. Currently, the main sunglasses on the market are resin lenses with polarizing films, and the polarizing films affect the light transmittance and reflectivity of the resin lenses, so it is necessary to design anti-blue light and anti-reflection. SUMMARY

[0003] To solve the problems of the prior art, the purpose of the utility model is to provide a high-definition anti-blue light polarized lens that meets the optical performance of resin lenses while improving the hardness of resin lenses to prevent them from being easily scratched and damaged.

[0004] To achieve the above-mentioned goal, the utility model adopts the following technical solutions:

[0005] A high-definition anti-blue light polarized lens includes a resin lens substrate, a hardening layer, and an anti-reflection layer, the anti-reflection layer includes a first anti-reflection film layer and a second anti-reflection film layer, the first anti-reflection film layer decreases in thickness from the center of the lens to the edge, and the second anti-reflection film layer increases in thickness from the center of the lens to the edge.

[0006] A protective layer is provided on the surface of the anti-reflection layer, the protective layer includes a first anti-blue light film layer, a TAC polarizing film layer, and a second anti-blue light film layer, and the surface of the second anti-blue light film layer has a nanoscale honeycomb mesh.

[0007] A waterproof layer is provided on the surface of the protective layer.

[0008] Preferably, the first anti-reflection film layer includes an aluminum oxide film layer and a silicon dioxide film layer arranged above and below, and the second anti-reflection film layer includes an aluminum oxide film layer and a zirconium dioxide film layer arranged above and below.

[0009] More preferably, the second anti-blue light film layer is an oxide metal film layer with a thickness of 10-120 microns.

[0010] Further preferably, the first anti-blue light film layer is an oxide metal film layer with a thickness of 20-210 microns.

[0011] Specifically, the waterproof layer is a magnesium fluoride layer.

[0012] The utility model discloses the beneficial effect lies in: the utility model discloses the first anti -blue light membrane layer, TAC polarizing membrane layer, second anti -blue light membrane layer form the protection layer of leaning outside, guarantee the polarizing effect and the anti -blue light nature, and the second anti -blue light membrane layer is honeycomb -shaped on the outside, can further increase the light incidence, improve the definition of the forward line of sight, and the primary play anti -blue light effect, and the TAC polarizing membrane layer of middle layer completes the polarization, and the first anti -blue light membrane layer of the innermost completes the anti -blue light nature and strengthens.

[0013] The inside is provided with two layers of antireflection layers, improves the antireflection of light through the protection layer, strengthens the transmittance. DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of some embodiment of the utility model.

[0015] The meaning of the reference sign in the drawing: 1, resin lens substrate, 2, hard layer, 3, antireflection layer, 4, first antireflection film layer, 5, second antireflection film layer, 6, first anti -blue light membrane layer, 7, TAC polarizing membrane layer, 8, second anti -blue light membrane layer, 9, waterproof layer. CONCRETE IMPLEMENTATIONS

[0016] The implementation of the present application will be described in detail below with the help of the drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0017] Referring to Figure 1 The utility model discloses a kind of high-definition anti-blue light polarized lenses, comprising: resin lens substrate 1, hard layer 2, antireflection layer 3, antireflection layer 3 includes first antireflection film layer 4, second antireflection film layer 5, first antireflection film layer 4 decreases in thickness from lens center to edge, second antireflection film layer 5 increases in thickness from lens center to edge, form alternation, improve the adhesion between film layer, while the slope design between film layer, increase the reflection of stray light;Protection layer, protection layer includes first anti -blue light membrane layer 6, TAC polarizing membrane layer 7, second anti -blue light membrane layer 8;Waterproof layer 9 is set on the surface of protection layer, second anti -blue light membrane layer 8 surface has nanometer honeycomb mesh, can enhance light transmissivity while guaranteeing preliminary anti-blue light nature, cooperate first anti -blue light membrane layer 6 and clamp the TAC polarizing membrane layer 7 in middle, realize the secondary anti-blue light before and after polarization, greatly improve the anti-blue light nature of lens.Waterproof layer 9 is set as magnesium fluoride layer, with good hydrophobicity, good anti-fog effect.

[0018] First antireflection film layer 4 includes upper and lower setting aluminium oxide film layer and silicon dioxide film layer, and second antireflection film layer 5 includes upper and lower setting aluminium oxide film layer and zirconium dioxide film layer, and metal oxide film layer improves lens refractive index, improves antireflection.

[0019] The second anti-blue light film layer 8 is arranged as a metal oxide film layer, and has a thickness of 10-120 μm, and a zirconium dioxide film layer can be selected.

[0020] Further preferably, the first anti-blue light film layer 6 is arranged as a metal oxide film layer, and has a thickness of 20-210 μm, and an aluminum oxide film layer can be selected.

[0021] In summary, the utility model discloses a first anti-blue light film layer, TAC polarizing film layer, second anti-blue light film layer form the protection layer outside, guarantee the polarizing effect and the anti-blue light nature, simultaneously, the second anti-blue light film layer is in the outside honeycomb shape, can further increase the light incidence, improve the definition of the forward vision, and the preliminary effect of anti-blue light is played to the first anti-blue light film layer of the innermost TAC polarizing film layer of middle layer, and the anti-blue light nature is strengthened.

[0022] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the above examples do not limit the utility model in any form, and any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the utility model.

Claims

1. A high-definition anti-blue light polarized lens, characterized in that, include: The lens comprises a resin substrate, a hardening layer, and an antireflective layer, wherein the antireflective layer includes a first antireflective film layer and a second antireflective film layer, the first antireflective film layer having a decreasing thickness from the center of the lens to the edge, and the second antireflective film layer having a increasing thickness from the center of the lens to the edge. A protective layer disposed on the surface of the antireflection layer includes a first blue light blocking film layer, a TAC polarizing film layer, and a second blue light blocking film layer, wherein the surface of the second blue light blocking film layer has nanoscale honeycomb mesh. A waterproof layer is provided on the surface of the protective layer.

2. The high-definition anti-blue light polarized lens according to claim 1, characterized in that, The first antireflective coating layer includes an aluminum oxide film layer and a silicon dioxide film layer disposed vertically, and the second antireflective coating layer includes an aluminum oxide film layer and a zirconium dioxide film layer disposed vertically.

3. The high-definition anti-blue light polarized lens according to claim 1, characterized in that, The second blue light blocking film layer is set as an oxide metal film layer with a thickness of 10-120μm.

4. The high-definition anti-blue light polarized lens according to claim 1, characterized in that, The first blue light blocking film layer is set as an oxide metal film layer with a thickness of 20-210μm.

5. The high-definition anti-blue light polarized lens according to claim 1, characterized in that, The waterproof layer is a magnesium fluoride layer.