LCOS column memory effect reduction
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United States of America Patent
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Aug 12, 2008
Grant Date -
Sep 2, 2004
app pub date -
Jun 6, 2002
filing date -
Jun 8, 2001
priority date (Note) -
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Abstract
The invention concerns a method for reducing the effect of column memory. The method includes the steps of activating one of a plurality of row electrodes, selectively applying a video input signal to a plurality of column electrodes, and setting at least one of the plurality of column electrodes to a substantially constant voltage prior to activating a subsequent row electrode. In one arrangement, the substantially constant voltage can correlate to a flat field. The method can also include repeating the steps of activating one of the plurality of row electrodes step, selectively applying the video input signal step, and setting at least one of the plurality of column electrodes to the substantially constant voltage step in which the steps can be performed in a liquid crystal on silicon imager.
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