Patent ID: 8004476

Claim:
A plasma display device including a plurality of first electrodes and second electrodes as display electrodes and performing image display using a plurality of subfields including a reset period, an address period, and a sustain period, the plasma display device comprising: a detection circuit configured to detect a display load ratio for each subfield of the plurality of subfields; a generation circuit configured to generate a plurality of sustain pulses having different cycles to be applied to the plurality of first and second electrodes during the sustain period; and a control circuit configured to control a combination of the plurality of sustain pulses according to the display load ratio of every subfield detected by the detection circuit, wherein, according to control of the combination of the plurality of sustain pulses by the control circuit, a variation in a period from start to end of each subfield of the plurality of subfields is suppressed even when the total number of sustain pulses to be applied in a period of one field is changed.