Display device

An AC type plasma display panel comprising:

• first and second substrates;
• a plurality of first and second electrode pairs formed on said first substrate;
• a plurality of third electrodes formed on said second substrate;
• and
• a matrix of discharge cells formed between said first and second substrates, each discharge cell being formed at an intersection of one of said plurality of first and second electrode pairs and one of said plurality of third electrodes, wherein
• sustain pulses are applied to said plurality of first and second electrode pairs to control discharge at said discharge cells such that, for each discharge cell, sustain pulses are alternately applied to corresponding first and second electrodes during a sustained discharge period to reverse polarity between said first and second electrodes to make an instantaneous average voltage for said corresponding first and second electrodes approximately constant during the sustained discharge period.