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:
Feb. 25, 2025
Filed:
Mar. 31, 2021
Essilor International, Charenton-le-pont, FR;
Essilor International, Charenton-le-Pont, FR;
Abstract
A method of manufacturing an optical lens (), comprising: obtaining (S) a transparent thermoplastic (TP) carrier () with at least one smooth surface; printing (S), via a 3-D printer on the side opposite to the at least one smooth surface of the transparent TP carrier (), at least one transparent layer () using a thermoplastic filament (), each transparent layer () having a predetermined light filtering property, thereby forming a functional layer (); and performing (S) an injection over-molding process () to fuse bond the functional layer () to a thermoplastic substrate thereby forming the optical lens, wherein the at least one smooth surface of the transparent TP carrier () forms a smooth surface of the manufactured optical lens ().