Projection apparatus using variable light source
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United States of America Patent
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Oct 9, 2012
Grant Date -
Feb 26, 2009
app pub date -
Aug 14, 2008
filing date -
Nov 1, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A projection apparatus using a spatial light modulator (SLM), comprising the following: at least one variable light source, at least one spatial light modulator for modulating the illumination light emitted from the variable light source in accordance with the modulation state of arrayed pixel elements, a variable light source controller for controlling modulation of the variable light source, and a spatial light modulator controller for controlling modulation of each pixel element of the spatial light modulator, wherein the variable light source controller controls the variable light source so as to reduce the period in which the modulation states of the pixel element are in transition on a display image.
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