Reduced rainbow artifacts in digital light projection systems
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United States of America Patent
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Jan 22, 2013
Grant Date -
Jun 12, 2008
app pub date -
Jan 6, 2005
filing date -
Jan 6, 2005
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Abstract
A projection system can include a color wheel and at least one digital micromirror device. The color wheel can produce different colors of light from a light source. Each color can be produced in sequential order for a predetermined color phase. Each of the digital micromirror device(s) can have a plurality of micromirrors. At least one of the plurality of micromirrors can be activated at different respective portions of each of two consecutive color phases responsive to a control signal. The projection system also can include a lens configured to project light reflected from the at least one digital micromirror device onto a projection surface.
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