Projection light source having multiple light emitting diodes
US7506985B2 · kind B2 · utility
15Cited by
12References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2005 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | Sep 17, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light source comprises a plurality of light emitting diodes arranged around the perimeter of a reflective optical element, wherein each of the light emitting diodes selectively generates a light beam directed to the reflective optical element. The reflective optical element generates a light path by collimating and reflecting the selectively generated light beams from each of the light emitting diodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.