METHOD FOR DRIVING PLASMA DISPLAY PANEL AND PLASMA DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Feb 20, 2014
app pub date -
Sep 26, 2012
filing date -
Sep 26, 2011
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Abandoned
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Abstract
In a plasma display apparatus, the address discharge is stabilized, the contrast is sharpened, and the image display quality is improved. A first up-ramp waveform voltage is applied to the scan electrode, and then a voltage causing no discharge to the scan electrode is applied to the scan electrode, in the sustain period of a weak-discharge sustain operation subfield in a discharge cell that is to be subjected to a forced initializing operation in the initializing period of the subfield immediately after the weak-discharge sustain operation subfield. A second up-ramp waveform voltage is applied to the scan electrode after generation of the first up-ramp waveform voltage, in the sustain period of the weak-discharge sustain-operation subfield in a discharge cell that is to be subjected to a selective initializing operation in the initializing period of the subfield immediately after the weak-discharge sustain-operation subfield.
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