Illumination system

Details Illumination system Illumination system

2006-10-10

2006-10-10

Perkey, W. B. (Department: 2851)

Optics: image projectors

Color filter

C353S031000, C353S081000, C348S758000, C348S771000

Reexamination Certificate

active

07118225

ABSTRACT:
The addition of DMD illumination modulator(s)702in series with projection SLM(s)706/709to produce high-performance projection displays with improved optical efficiency, reliability, and lower maintenance requirements. This approach eliminates the vibration, audible noise, and safety problems associated with high speed rotating color filter wheels203commonly used in SLM projectors and controls the light applied to individual areas of the projection SLM(s).

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patent: 6863401 (2005-03-01), Penn
patent: 2003/0174293 (2003-09-01), Hubel et al.

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