Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate
2007-12-28
2009-11-10
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Reexamination Certificate
active
07616196
ABSTRACT:
During a sustain period of a plasma display device, voltages of Vs and 0V are alternately applied to a plurality of scan electrodes. At this time, by applying Vs to a first node, a first capacitor with a first terminal coupled to the first node is charged with a first voltage. By then applying 0V to the first node, a second capacitor with a first terminal is coupled to a second node with a voltage of a second terminal of the first capacitor is charged with a second voltage. In an address period, a voltage of the second node is selectively applied to a plurality of scan electrodes. Therefore, an additional power source for supplying a voltage to selectively apply to a plurality of scan electrodes in an address period is not necessary.
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Abdin Shaheda A
Christie Parker & Hale LLP
Hjerpe Richard
Samsung SDI & Co., Ltd.
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