Patent · US Expired

Optical coating having low refractive index

US6686431B2 · kind B2 · utility

1Cited by

29References

15Claims

0Family size

Assignee

Avery Dennison Corporation · US

Inventors

H. Paul Barker · West Hollywood, US
Eng-Pi Chang · Arcadia, US
Daniel L. Holguin · Fullerton, US

Key dates

Filing date	Oct 25, 2001
Grant date	Feb 3, 2004
Priority date	—
Expiry date	Jan 31, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG02B1/10
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A transparent and low refractive index optical coating for use in light transmitting electronic devices is disclosed. The optical coating comprises a hydrogel having a refractive index of less than 1.40.

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