Electrophoretic particles, electrophoretic dispersion...

Details Electrophoretic particles, electrophoretic dispersion... Electrophoretic particles, electrophoretic dispersion...

2007-12-04

2007-12-04

Kiliman, Leszek (Department: 1773)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S403000, C428S404000, C428S405000, C428S406000, C428S407000

Reexamination Certificate

active

11100589

ABSTRACT:
An electrophoretic display device includes an electrophoretic dispersion liquid in which electrophotographic particles are dispersed. Each of the electrophotographic particles has a surface salt structure consisting of an acid-derived anionic group and any one of cationic compounds including a specific imidazolium compound, a specific pyridinium compound, a specific quaternary ammonium compound, and a specific trialkylamine-derived compound.

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U.S. Appl. No. 10/530,731, filed Apr. 8, 2005.

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