Light source device and projection display apparatus
US8469520B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 31, 2011 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Sep 15, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B33/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light source device includes: a reference light source that emits reference color component light of a plurality of colors; an excitation light source that emits excitation light for supplemental color component light; a luminous body member including a luminous body that emits the supplemental color component light in response to the excitation light; and a combining unit that combines the reference color component light of the plurality colors and the supplemental color component light in such a way as to superimpose the supplemental color component light on light paths of the reference color component light of the plurality of colors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.