Patent · US Active

Active optical filter for spectacle lenses

US10725322B2 · kind B2 · utility

1Cited by

0References

16Claims

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	Aug 16, 2016
Grant date	Jul 28, 2020
Priority date	—
Expiry date	Oct 6, 2036

Classification

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

Abstract

An active optical filter adapted for a spectacle lens, the active optical filter configured 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.