Light source control method for video image display...

Details Light source control method for video image display... Light source control method for video image display...

2008-12-03

2011-11-22

Dowling, William C (Department: 2878)

Optics: image projectors

Composite projected image

Multicolor picture

C353S085000, C353S094000, C348S743000

Reexamination Certificate

active

08061846

ABSTRACT:
A method for controlling a light source of a video image display apparatus, comprising: projecting illumination lights to a first spatial light modulator (SLM) and a second SLM, and changing over a wavelength of one of the illumination lights projected to the second SLM in a sequence during a period when the wavelength of another one of the illumination lights projected to the first SLM is controlled to have a flexibly adjustable wavelength.

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