Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2007-08-21
2007-08-21
Liang, Regina (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S211000
Reexamination Certificate
active
11075870
ABSTRACT:
An apparatus for driving a plasma display panel PDP that prevents a scan driving circuit from being damaged includes a plurality of address electrodes and scan electrodes and sustain electrodes arranged in a zig-zag pattern so as to make pairs with each other. The apparatus includes an address driving circuit, for applying an address signal for selecting a discharge cell to the address electrodes, and a sustain driving circuit and a scan driving circuit for alternately applying a sustain-discharge voltage to the scan electrodes and to the sustain electrodes, to thus sustain-discharge the selected discharge cell. The scan driving circuit includes a protecting circuit for uniformly sustaining an electric potential difference between both ends of the scan driving circuit so that the electric potential difference is no more than a rated voltage of the scan driving circuit.
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H.C. Park & Associates PLC
Liang Regina
Samsung SDI & Co., Ltd.
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