PROJECTOR USING INDEPENDENT MULTIPLE WAVELENGTH LIGHT SOURCES
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United States of America Patent
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app pub date -
Dec 14, 2007
filing date -
Dec 14, 2007
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Abstract
A digital image projector for increasing brightness includes a first light source; a second light source that is spectrally adjacent to the first light source; a dichroic beamsplitter disposed to direct light of both the first and second light source; a spatial light modulator that receives light from both the first and second light sources; and projection optics for delivering imaging light from the spatial light modulator.
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