Light source device and projector

Details Light source device and projector Light source device and projector

2011-08-30

2011-08-30

Lee, Jong-Suk (James) (Department: 2885)

Illumination

Light source and modifier

Adjustable or repositionable modifier

C362S282000

Reexamination Certificate

active

08007133

ABSTRACT:
A light source device adapted to generate an illumination light beam for illuminating an illuminated surface includes a light source adapted to emit a light beam, a light path conversion member adapted to rotate around an axis perpendicular to a center axis of the light beam emitted from the light source to convert a light path of the light beam emitted from the light source, an overlapping illumination element adapted to overlap a light beam emitted from the light path conversion member on the illuminated surface, the overlapping illumination element having an entrance position of the light bream input to the overlapping illumination element varies with time, and a rotating section adapted to rotate the light path conversion member.

REFERENCES:
patent: 6377336 (2002-04-01), Shiraishi et al.
patent: 6951411 (2005-10-01), Kumar et al.
patent: 7168826 (2007-01-01), Imade
patent: 7651227 (2010-01-01), Penn et al.
patent: 2007/0147065 (2007-06-01), Nagata
patent: A-06-208089 (1994-04-01), None
patent: A-2007-033576 (2007-02-01), None

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