Electrophoretic display device and method of displaying image

Details Electrophoretic display device and method of displaying image Electrophoretic display device and method of displaying image

2006-05-19

2008-09-30

Thompson, Timothy J (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S290000

Reexamination Certificate

active

07430073

ABSTRACT:
An electrophoretic display device includes a display layer comprised of a multiplicity of individual reservoirs containing a display medium over a conductive substrate, wherein the display medium comprises one or more set of colored particles dispersed in a dielectric fluid, the display medium having an electrical conductivity of about 1031 11to about 10−15S/m. The device further includes either or both a color filter layer over the display layer, wherein the color filter layer comprises each of a red tinted transparent portion, a blue tinted transparent portion and a green tinted transparent portion, and a dark colored light absorptive backplane under the display layer.

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