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:
Dec. 24, 2024
Filed:
Jul. 26, 2019
Essilor International, Charenton-le-Pont, FR;
William Trottier-Lapointe, Charenton-le-Pont, FR;
Essilor International, Charenton-le-Pont, FR;
Abstract
Disclosed is an ophthalmic lens including a transparent substrate with a front main face and a rear main face, at least one of the main faces being coated with a multilayered interferential stack (IF stack), including at least one HI layer having a refractive index higher than or equal 1.55 and at least one LI layer having a refractive index lower than 1.55, characterized in that an electrochromic stack (EC stack): is part of the multilayered interferential stack; or is directly deposited onto the multilayered interferential stack, so as to form a multilayered interferential coating (IF coating).