Patent · US Active

Gradient polarized ophthalmic lens

US9939660B2 · kind B2 · utility

0Cited by

14References

21Claims

0Family size

Assignee

Carl Zeiss Vision International GmbH · DE

Inventors

Timo Mappes · Karlsruhe, DE
Michael Pittolo · Adelaide, AU
Ben Ryan · McLaren Vale, AU

Key dates

Filing date	Dec 21, 2016
Grant date	Apr 10, 2018
Priority date	—
Expiry date	Dec 21, 2036

Classification

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

Abstract

A polarized ophthalmic lens has a polarization gradient with a primary light transmission gradient. The lens also includes a secondary light transmission gradient, the secondary light transmission gradient being complementary to the primary light transmission gradient such that the lens exhibits uniform light transmission.

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