Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2005-02-23
2010-06-29
Nguyen, Chanh (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S089000
Reexamination Certificate
active
07746313
ABSTRACT:
A display device includes sub-pixels, video lines, a drive circuit and switch groups. The video lines are divided into plural blocks each composed of m video lines, m being an integer of 2 or more. The drive circuit outputs m gray scale voltages time-sequentially. Each of the switch groups corresponding to one of the blocks is composed of first to mth switches, receives the m gray scale voltages from the drive circuit, and then supplies them to the m video lines in a time-division multiplexed fashion. The mth switch is turned on last during a writing time for writing the m gray scale voltages into the sub-pixels, and Tq<Tm, where Tm and Tq are times during which the mth switch and a qth switch of the first to (m−1)th switches are turned on, respectively, and q is an integer of from 1 to (m−1).
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Asuma Hiroaki
Goto Kazutaka
Hasegawa Atsushi
Antonelli, Terry Stout & Kraus, LLP.
Hitachi Displays Ltd.
Karimi Pegeman
Nguyen Chanh
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