System and method for multi-level brightness in interferometric modulation
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United States of America Patent
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Feb 17, 2009
Grant Date -
Jan 17, 2008
app pub date -
Sep 25, 2007
filing date -
Sep 27, 2004
priority date (Note) -
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Abstract
A display having a plurality of reflective display elements. In one embodiment, the display elements comprise at least one electrode having a plurality of active areas. In one embodiment, at least two of the sizes of the active areas are different with respect to each other, e.g., they are non-uniform in size. The interferometric modulators have a plurality of states, wherein selected ones of the interferometric modulators are configured to be actuated depending differing electrostatic forces in the interferometric modulators. The electrostatic forces in the interferometric modulators are different at least in part due to variations in the sizes of the active areas of the electrodes.
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