Light source spectra for projection displays
US7142302B2 · kind B2 · utility
1Cited by
4References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2003 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Dec 23, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/315
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods are provided for optimizing the spectrum of a light source used in a projection display system in order to reduce the light loss associated with color splitting/recombination in the system. Projection systems designed in accordance with such methods are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.