Optical assembly for reflective light valves
US6561652B1 · kind B1 · utility
13Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2001 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Oct 3, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3105
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical system for reflective mode light valve full color display, and more particularly a compact and highly optically efficient trichroic prism assembly (TPA), and a polarizing beam splitter (PBS). This TPA and PBS combination is placed between the objective lens and the LCD panel or other kind of reflective light valves to form a compact projection system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.