Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2008-03-27
2010-06-29
Thompson, Timothy J (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S297000, C345S107000
Reexamination Certificate
active
07746543
ABSTRACT:
An electrophoretic display includes a lower substrate, an upper substrate, a color display layer on the lower substrate, a pixel electrode on the lower substrate, and a common electrode on the lower substrate or the upper substrate. The common electrode does not overlap the pixel electrode, and an electrophoretic active layer having a dispersion medium and electrophoretic particles is arranged between the lower substrate and the upper substrate. The electrophoretic active layer is a single-polarity electrophoretic particle system, and grayscales are generated depending on the number of electrophoretic particles arranged in a portion of the electrophoretic active layer corresponding to the pixel electrode. The position of the electrophoretic particles is controlled by the magnitude of the electric field applied between the pixel electrode and the common electrode.
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Kim Kyu-Young
Kim Sang-Il
Park Cheol-Woo
Roh Nam-Seok
H.C. Park & Associates PLC
Samsung Electronics Co,. Ltd.
Thompson Timothy J
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