Polarizing plate with melanin
US7354150B2 · kind B2 · utility
8Cited by
36References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2005 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Aug 18, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31504
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is directed to the incorporation of melanin in an optical article with polarization properties. Such an article includes a first polymer layer containing a polarizing agent, a second polymer layer containing melanin and wherein the second polymer layer is disposed upon the first polymer layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.