Title:
RESIN LENS WITH ENHANCED BLUE LIGHT-RESISTANT PERFORMANCE, AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/028936
Kind Code:
A1
Abstract:
A resin lens with an enhanced blue light-resistant performance has a 415 nm light transmittance that is less than 1%, a 420 nm light transmittance that is 1.0%-5.0%, a 425 nm light transmittance that is 15-25%, a 380-500 nm blue light transmittance that is 20%-30%, and a visible light transmittance that is greater than 88%, and the lens has a refractive index of 1.50, 1.56, 1.60, 1.67 or 1.74. Further provided is a preparation method for the above lens.
Inventors:
WANG CHUANBAO (CN)
YAN QINGBO (CN)
HUANG JIAN (CN)
LI YANG (CN)
SHI LIANGLIANG (CN)
YAN QINGBO (CN)
HUANG JIAN (CN)
LI YANG (CN)
SHI LIANGLIANG (CN)
Application Number:
PCT/CN2021/116153
Publication Date:
March 09, 2023
Filing Date:
September 02, 2021
Export Citation:
Assignee:
JIANGSU CONANT OPTICAL CO LTD (CN)
SHANGHAI CONANT OPTICAL CO LTD (CN)
SHANGHAI CONANT OPTICAL CO LTD (CN)
International Classes:
C08F218/00; C08F2/44; C08F220/10; C08F222/30; C08F283/00; C08K5/132; C08K5/3475; G02C7/02; G02C7/10
Foreign References:
| CN109749550A | 2019-05-14 | |||
| CN108948278A | 2018-12-07 | |||
| CN109384878A | 2019-02-26 | |||
| US5830441A | 1998-11-03 | |||
| JP2007254532A | 2007-10-04 | |||
| JP2020015786A | 2020-01-30 |
Attorney, Agent or Firm:
BEIJING SICHUANG DACHENG INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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