| 摘要 |
PROBLEM TO BE SOLVED: To provide a plasma display apparatus and a driving method thereof, with which afterimage erroneous discharge can be prevented and damage to driving circuits can be prevented. SOLUTION: A scan driver 420 supplies a first falling pulse and a second falling pulse, which fall to a negative voltage level, to scan electrodes (Y1 to Yn). The second falling pulse is a pulse that is the same as a conventional set-down pulse. That is, after the set-up pulse is supplied, wall charges of the all discharge cells are uniformly erased. In one embodiment, before the second falling pulse is supplied, the first falling pulse is supplied to the scan electrodes. The first falling pulse is a pulse for erasing wall charges accumulated between the scan electrodes and a sustain electrode (Z) of a cell that remains a turn-off state. While the first falling pulse is applied to erase a portion of the wall charges, a sustain driver 430 supplies a pulse forming a positive waveform with a voltage level that is lower than the sustain voltage Vs to the sustain electrode (Z). COPYRIGHT: (C)2007,JPO&INPIT
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