Projection device with wire grid polarizers
US6873469B2 · kind B2 · utility
2Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2002 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Oct 8, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3105
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical device for processing radiation that includes a beam splitter and a plurality of radiation processing parts arranged to process the characteristics of different radiation components separately, The polarizing beam splitter includes a wire grid polarizer, a first transparent plate arranged adjacent one side of the polarizer and a second transparent plate arranged adjacent the other side. Each of the first and second plates have substantially equal optical thickness profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.