Patent ID: 7705804

Claim:
A plasma display apparatus, comprising: a plasma display panel having a scan electrode and a sustain electrode; a scan driver for sequentially supplying a first rising ramp waveform, a first falling ramp waveform and a second falling ramp waveform to the scan electrode during a reset period of a first subfield of a plurality of subfields; and a sustain driver for supplying a round waveform to the sustain electrode while the first rising ramp waveform is being supplied to the scan electrode, wherein the reset period of the first subfield is divided into a set-up stage during which the first rising ramp waveform is supplied to the scan electrode, a first set-down stage during which the first falling ramp waveform is supplied to the scan electrode, and a second set-down stage during which the second falling ramp waveform is supplied to the scan electrode, wherein the second falling ramp waveform is supplied after being rapidly risen to a ground level at the point of time when the first falling ramp waveform is finished.