Planar fluorinated dielectric suspensions for electrophoretic image displays and related methods
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United States of America Patent
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Nov 12, 1996
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N/A
app pub date -
Nov 21, 1995
filing date -
May 26, 1994
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Abstract
A dielectric suspension for use in an electrophoretic image display, electrostatic printing or the like, comprising a suspension medium including a dense fluorinated solvent and a less dense hydrocarbon solvent, a plurality of pigment particles dispersed in the suspension medium, a fluid dye dissolved in the suspension medium for providing a contrast with the pigment particles, and a charge control agent adsorbed on the pigment particles for preventing the pigment particles from agglomerating.
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