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:
Oct. 22, 2024
Filed:
Nov. 18, 2019
Essilor International, Charenton-le-Pont, FR;
Christophe Valenti, Charenton-le-Pont, FR;
Frédéric Guillain, Charenton-le-Pont, FR;
William Trottier-Lapointe, Charenton-le-Pont, FR;
Essilor International, Charenton-le-Pont, FR;
Abstract
The invention relates to an optical lens comprising a substrate having a front main face and a rear main face, at least one main face of which being successively coated with a first high refractive index sheet which does not comprise any TaOlayer, a second low refractive index sheet a third high refractive index sheet, a monolayer sub-layer having a thickness higher than or equal to 100 nm, a multilayer interferential coating comprising a stack of at least one high refractive index layer and at least one low refractive index layer, and a filtering interferential system that selectively reflects or transmits visible light in a narrow range of wavelengths.