Ambient light absorbing screen
US7911693B2 · kind B2 · utility
9Cited by
19References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2006 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Oct 15, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/0284
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of creating a projection screen includes forming on a substrate a set of reflective areas directed to a first set of angles and forming on the substrate a set of absorptive areas directed to other than the first set of angles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.