CHARGED PIGMENT PARTICLES FOR ELECTROPHORETIC DISPLAY
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United States of America Patent
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Issued Date -
Sep 19, 2013
app pub date -
Mar 14, 2012
filing date -
Mar 14, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is directed to a charged pigment particles useful for the electrophoretic fluid. The present invention describes how the charge property of the charged pigment particle may be controlled. By adjusting the charge property of the charged pigment particles to a suitable level for an electrophoretic display system, a faster switching speed, a higher contrast ratio and better image bistability may be achieved.
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