Electrophoretic displays with controlled amounts of pigment

Details Electrophoretic displays with controlled amounts of pigment Electrophoretic displays with controlled amounts of pigment

2008-05-15

2010-12-07

Thompson, Timothy J (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C345S107000

Reexamination Certificate

active

07848006

ABSTRACT:
An electrophoretic medium has walls defining a microcavity containing an internal phase. This internal phase comprises electrophoretic particles suspended in a suspending fluid and capable of moving therethrough upon application of an electric field to the electrophoretic medium. The average height of the microcavity differs by not more than about 5 μm from the saturated particle thickness of the electrophoretic particle divided by the volume fraction of the electrophoretic particles in the internal phase.

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