Patent · US Active

Active optical filter for spectacle lenses

US11550169B2 · kind B2 · utility

0Cited by

0References

14Claims

0Family size

Assignee

Essilor International · FR

Inventors

Coralie BARRAU · Charenton-le-Pont, FR
Thierry VILLETTE · Charenton-le-Pont, FR
Jean-Paul Cano · Charenton-le-Pont, FR
Samuel Archambeau · Charenton-le-Pont, FR
Claudine Biver · Charenton-le-Pont, FR

Key dates

Filing date	Jul 1, 2020
Grant date	Jan 10, 2023
Priority date	—
Expiry date	Oct 20, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG03H2250/38
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Active optical filter adapted for a spectacle lens, the active optical filter being configured so as to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.