SLM projection display with series DMD illuminator

Details SLM projection display with series DMD illuminator SLM projection display with series DMD illuminator

2011-06-14

2011-06-14

Mack, Ricky L (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S629000, C359S638000

Reexamination Certificate

active

07961399

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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