Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2009-02-09
2011-12-20
Dinh, Duc (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S108000, C359S296000
Reexamination Certificate
active
08081155
ABSTRACT:
A method for driving an electrophoretic display device includes: during a first partial rewriting period, partially rewriting the displayed image by supplying a common voltage to a common electrode, supplying a second voltage corresponding to a second gradation to each first pixel displaying a first gradation before rewriting and displaying the second gradation after rewriting, and supplying a voltage equal to the common voltage to each other pixel or putting each other pixel into a high impedance state; and during a second partial rewriting period, partially rewriting the image by supplying the common voltage to the common electrode, supplying a first voltage corresponding to the first gradation to each second pixel displaying the second gradation before the rewriting and displaying the first gradation after rewriting, and supplying a voltage equal to the common voltage to each other pixel or by putting each other pixel into a high impedance state.
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Dinh Duc
Harness & Dickey & Pierce P.L.C.
Seiko Epson Corporation
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