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ELECTROPHORETIC DISPLAY CELL

IP.com Disclosure Number: IPCOM000023963D
Original Publication Date: 1979-Jun-30
Included in the Prior Art Database: 2004-Apr-01

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is an electrophoretic display cell which is constructed to retard settling of heavy or agglomerated pigment particles. The cell comprises two parallel plate electrodes 1 separated by a filler 2 which occupies more than 50% of the cell volume. The filler, which is about one mil thick, is made of an insulating material having a microporous-like structure, such as -Celgardu (a trademark of Celanese Plastics Co.) which has a network of small openings approximately 0.4 x 0.04 microns in size. The pore size is large enough to permit the dye solution and small