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:
Apr. 23, 2019
Filed:
Jun. 04, 2018
Applicant:
Essilor International, Charenton-le-Pont, FR;
Inventors:
Assignee:
ESSILOR INTERNATIONAL, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/116 (2015.01); G02C 7/02 (2006.01); G02B 1/16 (2015.01); G02C 7/10 (2006.01);
U.S. Cl.
CPC ...
G02B 1/116 (2013.01); G02B 1/16 (2015.01); G02C 7/022 (2013.01); G02C 7/107 (2013.01); G02B 2207/121 (2013.01); G02C 2202/16 (2013.01);
Abstract
This invention relates to an ophthalmic lens comprising a transparent substrate with a front main face and with a rear main face, at least one of the main faces being coated with a multilayered antireflective coating comprising a stack of at least one high refractive index layer (HI) having a refractive index higher than or equal to 1.55 and at least one low refractive index layer (LI) having a refractive index lower than 1.55, characterized in that: