Patent · US Active

Optical article comprising an antireflective coating with a very low reflection in the visible and ultraviolet regions

US10267953B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Essilor International · FR

Inventors

Ilya BOLSHAKOV · Charenton-le-Pont, FR
Hélène MAURY · Paris, FR
Xingzhao DING · Singapore, SG

Key dates

Filing date	Jun 4, 2018
Grant date	Apr 23, 2019
Priority date	—
Expiry date	Jun 4, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG02C2202/16
WIPO fieldOptics
WIPO sectorInstruments

Abstract

This invention relates to an ophthalmic lens comprising a transparent substrate with a front main face and with a rear main face, at least one of the main faces being coated with a multilayered antireflective coating comprising a stack of at least one high refractive index layer (HI) having a refractive index higher than or equal to 1.55 and at least one low refractive index layer (LI) having a refractive index lower than 1.55, characterized in that:

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