Method of driving a spatial light modulator and projector

Details Method of driving a spatial light modulator and projector Method of driving a spatial light modulator and projector

2011-03-29

2011-03-29

Dowling, William C (Department: 2878)

Optics: image projectors

Composite projected image

Multicolor picture

C353S085000, C353S094000, C353S099000, C353S121000, C348S742000, C348S771000, C349S007000, C349S008000

Reexamination Certificate

active

07914150

ABSTRACT:
To reduce the color break-up and to provide high quality projection images. A method of driving a spatial light modulator, including generating a sub-frame pulse signal for a first colored light R1through R8, B1through B8, generating a sub-frame pulse signal for a second colored light G1through G8, arranging the sub-frame pulse signals for the respective colored light so that at least three of the sub-frame pulse signals for the first colored light R1through R8, B1through B8adjoin either one of the sub-frame pulse signals for the second colored light G1through G8during at least one frame of the image, and driving a plurality of movable mirror elements in accordance with the sub-frame pulse signals for the respective colored light arranged in arranging the sub-frame pulse signals, the movable mirror elements being alternatively moved at least to a first reflecting position and a second reflecting position.

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