The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 2021
Filed:
Sep. 20, 2017
Applicant:
Essilor International, Charenton-le-Pont, FR;
Inventors:
Hao Wen Chiu, Holden, MA (US);
Aref Jallouli, Shrewsbury, MA (US);
Haifeng Shan, Shrewsbury, MA (US);
Assignee:
Essilor International, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); B29D 11/00 (2006.01); C09B 47/00 (2006.01); B29K 69/00 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
G02C 7/104 (2013.01); B29D 11/00634 (2013.01); C09B 47/00 (2013.01); G02C 7/108 (2013.01); B29K 2069/00 (2013.01); B29K 2105/0032 (2013.01); G02C 2202/10 (2013.01);
Abstract
The combination of selective and high pass filters to cut harmful blue light allowed to achieve the best compromise between high blue cut performance, high UV cut and low yellow index, not achievable when using the filters alone.