Electrophoretic display liquid, and electrophoretic display medium, method and device using the liquid
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United States of America Patent
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Jun 4, 2002
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N/A
app pub date -
Jun 12, 2000
filing date -
Jun 11, 1999
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Abstract
An electrophoretic display liquid including a dispersion medium, a first granular material having one or more hollows therein and a color and a second granular material having a color different from the color of the first granular material. When an imagewise electric field is applied to the display liquid, the second granular material electrophoreses in a direction, resulting in formation of an image of the second granular material in the display liquid.
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