MULTIPLE VOLTAGE LEVEL DRIVING FOR ELECTROPHORETIC DISPLAYS
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United States of America Patent
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Issued Date -
Aug 5, 2010
app pub date -
Jan 28, 2010
filing date -
Jan 30, 2009
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Abandoned
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Abstract
This application is directed to driving methods for electrophoretic displays. The driving methods comprise applying different voltages selected from multiple voltage levels, to pixel electrodes and optionally also to the common electrodes. In a preferred method, the different voltages are selected from a group consisting of 0V, at least two levels of positive voltage and at least two levels of negative voltage.
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