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:
Mar. 11, 2025
Filed:
Mar. 13, 2020
Essilor International, Charenton-le-Pont, FR;
Sorbonne Université, Paris, FR;
Mélanie Marie, Paris, FR;
Serge Picaud, Paris, FR;
Valérie Fradot, Paris, FR;
José Sahel, Paris, FR;
Thierry Villette, Charenton-le-Pont, FR;
Coralie Barrau, Charenton-le-Pont, FR;
Camille Ehrismann, Charenton-le-Pont, FR;
Essilor International, Charenton-le-Pont, FR;
Sorbonne Université, Paris, FR;
Abstract
The invention relates to filter dedicated to protect eye cone cells and method associated. The eye cone cells protecting filter is intended to be applied to a transparent surface and to filter incident light for preventing eye cone cells of a user, from damages due to illumination at physiological light levels on the eye of said user, and having spectral characteristics to i) filter light wavelengths between 405 and 465 nanometers, and ii) transmit a filtered light reaching the eye cone cells and having a harmfulness on said eye cone cells under a predefined maximum threshold.