Durable optical element
US7179513B2 · kind B2 · utility
24Cited by
62References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2004 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | May 17, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A durable optical film includes a polymerized optical film structure having a microstructured surface and a scratch contrast ratio value in a range of 1.0 to 1.65 or 1.0 to 1.15. These durable optical films can include a plurality of nanoparticles and a rounded prism apexes microstructure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.