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A kind of anti-blue light lens and preparation method thereof

An anti-blue light and lens technology, which is applied in the field of optical lenses, can solve problems such as object color display distortion, and achieve good blue light absorption performance and excellent anti-blue light performance.

Active Publication Date: 2018-01-02
上海益年虹科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the anti-blue light lenses on the market also over-reflect or absorb the beneficial blue light while absorbing harmful blue light, resulting in distorted display of object colors.

Method used

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  • A kind of anti-blue light lens and preparation method thereof
  • A kind of anti-blue light lens and preparation method thereof
  • A kind of anti-blue light lens and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Mix the raw material polymer polymethyl methacrylate, blue light absorber (molar ratio A:B=1:2) and ultraviolet absorber (mass ratio UV-31:UV-329=1:1) , and stir until the raw materials are evenly mixed; wherein the mass ratio of each component is 98% of high molecular polymer, 0.1% of blue light absorber, and 1.9% of ultraviolet absorber. R in Compound A 1 , R 2 and R 3 Respectively H, methyl, isopropyl.

[0024] (2) Heat and melt the uniformly mixed raw materials, and then pour them into a production mold for solidification and molding to obtain the optical lens 1 .

Embodiment 2

[0026] (1) Mix the raw material polymer polymethyl methacrylate, blue light absorber (molar ratio A:B=1:1) and ultraviolet absorber (mass ratio UV-31:UV-329=1:1) , and stir until the raw materials are evenly mixed; wherein the mass ratio of each component is 98% of high molecular polymer, 0.5% of blue light absorber, and 1.5% of ultraviolet absorber. R in Compound A 1 , R 2 and R 3 Respectively methyl, methyl, isopropyl.

[0027] (2) Heat and melt the uniformly mixed raw materials, and then pour them into a production mold for solidification and molding to obtain the optical lens 2 .

Embodiment 3

[0029] (1) Mix the raw material polymer polymethyl methacrylate, blue light absorber (molar ratio A:B=3:2) and ultraviolet absorber (mass ratio UV-75:UV-928=1:1) , and stir until the raw materials are evenly mixed; the mass ratio of each component is 96% of high molecular polymer, 2% of blue light absorber, and 2% of ultraviolet absorber. R in Compound A 1 , R 2 and R 3 Respectively methyl, tert-butyl, isopropyl.

[0030] (2) Heat and melt the uniformly mixed raw materials, and then pour them into a production mold for solidification and molding to obtain the optical lens 3 .

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PUM

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Abstract

The invention relates to the field of optical lenses, and in particular discloses an anti-blue light lens and a preparing method thereof. The lens comprises a resin substrate and is characterized in that the resin substrate comprises a high molecular polymer, a blue light absorbent and an ultraviolet absorbent, wherein the blue light absorbent is a mixture of a compound A and a compound B; the chemical structural formula of the compound A is as shown in formula (I) and the chemical structural formula of the compound B is as shown in formula (II), wherein the molar ratio of the compound A to the compound B is (1-3) to 2. The compound A and the compound B are selected as the composite blue light absorbent, both contain large pi bonds and achieve a synergistic effect after being mixed, thus having a better blue light absorbing performance.

Description

technical field [0001] The invention belongs to the field of optical lenses, and in particular relates to an anti-blue light lens and a preparation method thereof. Background technique [0002] We all know that ultraviolet rays can damage people's glasses, but many people don't know that blue light in visible light can also damage glasses. Blue light is the wavelength of visible light closest to ultraviolet light, its wavelength range is between 400-500nm, and it appears blue in the sense of human eyes. With the rapid development of society, people's lives are filled with various electronic products such as computers, mobile phones, and TVs. People are also increasingly dependent on electronic products, and the screens of electronic products emit a large amount of irregular short-wave blue light. It will directly penetrate the cornea and reach the retina, causing the retina to produce free radicals, which lead to the decline of retinal pigment epithelial cells, and then mak...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B1/04G02C7/10
CPCG02B1/041G02C7/108
Inventor 李先民马亮叶胜蓝夏欢
Owner 上海益年虹科技有限公司
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