Light source device
US8410697B2 · kind B2 · utility
0Cited by
4References
1Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 13, 2006 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Oct 20, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light source device which can also advantageously control the growth of the projection using the DMD type is achieved in a light source device which has an ultrahigh pressure discharge lamp) in which the silica glass discharge vessel is filled with greater than or equal to 0.15 mg/mm3 mercury and bromine; a feed device; an oval reflector; and a color wheel by the electrode on the side of the opening of the oval reflector of the discharge lamp having an increased diameter, and the relation 0.06<W/I2<0.96 between the volume W (mm3) of the tip area with increased diameter and the current value I being satisfied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.