04272596 is referenced by 149 patents and cites 8 patents.

An electrophoretic display device which provides high contrast images and a stable suspending fluid is described. A white marking material such as titanium dioxide is suspended in a colloidal dispersion containing black colorant such as colloidal size iron oxide particles known as ferrofluids. Image formation is achieved electrophoretically by selective application of an electric field across the imaging suspension.

Title
Electrophoretic display device
Application Number
6/44802
Publication Number
4272596
Application Date
June 1, 1979
Publication Date
June 9, 1981
Inventor
Michael L Hair
Oakville
CA
John R Harbour
Mississauga
CA
Assignee
Xerox Corporation
CT, US
IPC
G03G 13/00
C25D 1/12
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