A plasma display apparatus comprises a scan electrode and a sustain
electrode; a data electrode for intersecting the scan electrode and the
sustain electrode; and a pulse controller for controlling to apply a
pulse having an opposite phase to the scan electrode and the sustain
electrode during a reset period and apply a negative sustain pulse to the
scan electrode and the sustain electrode during a sustain period, wherein
a distance between the scan electrode and the sustain electrode is longer
than that between the sustain electrode and the data electrode.
Therefore, a surface discharge mode can be used even when applying
negative pulses to the sustain electrode in a reset period, and a size
and cost of a plasma display apparatus can be reduced by applying a
negative pulse of the same magnitude as a sustain voltage without a
separate negative voltage source.