Polarized eyewear
US7771045B2 · kind B2 · utility
38Cited by
9References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2008 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Oct 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/3058
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An article of polarized eyewear has a lens with a first substrate lens material transparent to visible light and a pattern of elongated structures formed from at least a second material having a complex index of refraction that is deposited onto a curved surface of the first substrate lens material. The pitch between adjacent elongated structures is less than 300 nm and the width of each elongated structure is less than 90% of the pitch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.