Methods and apparatus for generating and modulating illumination conditions
US7255457B2 · kind B2 · utility
459Cited by
164References
95Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 31, 2004 |
| Grant date | Aug 14, 2007 |
| Priority date | — |
| Expiry date | Dec 26, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for generating essentially white light. In one example, a white light generating apparatus comprises at least one first white LED characterized by a first spectrum, and at least one second white LED characterized by a second spectrum, wherein the first spectrum is substantially different than the second spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.