Patent · US Active

Ophthalmic device comprising an electrochromic cell

US10459253B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

Essilor International · FR

Inventors

Jerome Ballet · Charenton-le-Pont, FR
Samuel Archambeau · Charenton-le-Pont, FR
Jean-Paul Cano · Charenton-le-Pont, FR
Claudine Biver · Charenton-le-Pont, FR
Sylvie Vinsonneau · Charenton-le-Pont, FR
David Escaich · Charenton-le-Pont, FR
Stephane Perrot · Charenton-le-Pont, FR
Fabien BERIT DEBAT · Charenton-le-Pont, FR
Jean-Jacques Lussagnet · Charenton-le-Pont, FR

Key dates

Filing date	Jul 8, 2016
Grant date	Oct 29, 2019
Priority date	—
Expiry date	Jul 8, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/163
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to an ophthalmic device (1) which includes an electrochromic cell (3) comprising at least two transparent layers (4, 5) having curved inner surfaces (4a, 5a) and defining therebetween a closed recess (6) filled with an electrochromic composition (7), the recess (6) being defined peripherally by a sealing gasket (11) made from an adhesive material (20), the sealing gasket (11) being suitable for keeping the two transparent layers (4, 5) assembled together.

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