Light source control method for video image display apparatus and video image display apparatus
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United States of America Patent
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Nov 22, 2011
Grant Date -
Jun 4, 2009
app pub date -
Dec 3, 2008
filing date -
Dec 4, 2007
priority date (Note) -
Expired
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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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