Enhancing spectral luminosity in projection displays
US6409349B1 · kind B1 · utility
13Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 1, 2000 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Dec 27, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3167
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light source used for projection displays that produces more light of a particular color relative to one or more other colors can be operated in a way to increase the performance of the overall optical system. A first color component that is produced in a lesser amount, may be separated out from the light and discarded while the other light components may be modulated. A separate light source may generate light of the first color that is modulated and combined with the previously modulated color components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.