Light source for a projection system having a light absorption layer
US7347592B2 · kind B2 · utility
2Cited by
13References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2005 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Apr 25, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31504
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A reflector for use in a projection system comprises an anodized metal substrate having a metal oxide layer. The metal oxide layer has a plurality of pores. A light absorbing pigment is deposited into each of the pores such that the light absorbing pigment and the metal oxide layer form a light absorbing layer on the metal substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.