Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2007-11-20
2007-11-20
Spector, David N. (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C345S107000
Reexamination Certificate
active
11419472
ABSTRACT:
Set forth is a method of forming an electrophoretic display device that includes locating a multiplicity of individual reservoirs containing a display fluid between conductive substrates, at least one of which is transparent, to form a device, wherein the display fluid comprises at least two sets of particles in a liquid medium, the at least two sets of particles exhibiting a different color, and charging each of the sets of particles to have a different charge via application of an electric field to the device. This field induced charging of the sets of differently colored particles enables low conductivity particles with superior electrophoretic mobility to be achieved.
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Chopra Naveen
Kazmaier Peter M.
Keoshkerian Barkev
Tam Man-Chung
Yang San-Ming
Oliff & Berridg,e PLC
Spector David N.
Xerox Corporation
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