Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2005-07-25
2010-10-26
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
Reexamination Certificate
active
07821477
ABSTRACT:
The present invention relates to a plasma display apparatus and a driving method thereof in which an erroneous discharge, a misdischarge and an abnormal discharge are prevented, a darkroom contrast is increased, an operation margin is widen, and an influence of a lower substrate wall charge is reduced in a sustain discharge. The plasma display apparatus and its driving method is characterized in that when the plasma display panel has a second temperature higher than a first temperature, a period between the last sustain pulse generated during a sustain period of (n−1)thsub-field (“n” is a positive integer) and an initialization signal generated during a reset period of nthsub-field is more lengthened than when it has the first temperature. The plasma display apparatus and its driving method is characterized in that a pre sustain pulse (PRESUSP) rising from a sustain bias voltage (Vzb) is applied to the second electrode in the sustain period.
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Jung Yun Kwon
Kim Muk Hee
Lee Gi Bum
Edwards Carolyn R
Hjerpe Richard
LG Electronics Inc.
McKenna Long & Aldridge LLP
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