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 -
Nov 15, 2012
app pub date -
Jan 19, 2011
filing date -
Jan 19, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention provides a method of driving a plasma display apparatus, which allows a high-luminance large-sized panel to have stable address discharge, with increase in power consumption suppressed. In the method, one field is divided into a plurality of subfields, each of which having an address period and a sustain period. A ramp voltage is applied to the scan electrodes in the end of the sustain period. The ramp voltage increases from a base potential toward a predetermined voltage, after reaching the predetermined voltage, the ramp voltage is maintained at the voltage for a predetermined period of time and decreases to the base potential. Besides, when the number of the sustain pulses is not greater than a predetermined threshold in a subfield, the predetermined period of time of an immediately after subfield is determined to be longer than the predetermined period of time of other subfields.
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