Assembly and adjustment of optical kernel for LCD projectors
US7330223B2 · kind B2 · utility
0Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 2005 |
| Grant date | Feb 12, 2008 |
| Priority date | — |
| Expiry date | Oct 5, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/317
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention discloses an improved optical kernel assembly for liquid crystal display (LCD) projectors, which includes a base frame; a top frame being arranged substantially in parallel with the base frame; a polarizing beam splitter (PBS) mounted between the base frame and the top frame; and a dustproof triangle frame/panel module assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.