ELECTROPHORETIC DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Mar 20, 2014
app pub date -
Oct 24, 2013
filing date -
Mar 2, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention is directed to an electrophoretic display device comprising a plurality of display cells, wherein said display cells are filled with an electrophoretic fluid comprising: a) charged pigment particles of a first color; and b) a solid porous matrix of a second color, in which the charged pigment particles dispersed in a solvent. The electrophoretic fluid has many advantages, such as increased contrast without affecting the switching speed.
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