Spatial light modulator and display apparatus
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United States of America Patent
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Dec 20, 2011
Grant Date -
Aug 26, 2010
app pub date -
Sep 18, 2009
filing date -
Nov 1, 2003
priority date (Note) -
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Abstract
The present invention provides an image projection system comprising a spatial light modulator (SLM) comprises a plurality of pixel elements, wherein each of the pixel elements further comprises a deflectable mirror, and at least a first electrode and a second electrode for controlling the deflectable mirror to deflect to different tilt angles to reflect and modulate an illumination light for displaying an image; and a controller for applying a voltage to the second electrode wherein the voltage applied in an initial operation period is different from the voltage applied in an image display period.
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