Patent ID: 7616175

Claim:
A plasma display device comprising: a plasma display panel; a plurality of first electrodes coupled to the plasma display panel; a plurality of second electrodes coupled to the plasma display panel; and a driving circuit coupled to the first electrodes and the second electrodes, the driving circuit alternately supplying a first voltage and a second voltage to the first electrodes and alternately supplying the second voltage and the first voltage to the second electrodes, the driving circuit including: a power recovery unit including at least one inductor having a first end electrically coupled to a first electrode and a capacitor being charged to a third voltage, the power recovery unit increasing or decreasing a voltage of the first electrode by electrically coupling the at least one inductor and the capacitor; a sustain discharge voltage supply including a first transistor being electrically coupled between the first electrode and a first power source for supplying the first voltage and a second transistor being electrically coupled between the first electrode and a second power source for supplying the second voltage, supplying the second voltage to the first electrode after a voltage at the first electrode is decreased, the sustain discharge voltage supply supplying the first voltage to the first electrode after the voltage at the first electrode is increased by the power recovery unit; a gate voltage supply including a fuse and supplying a fourth voltage for generating a control signal to control a gate driver of the first transistor or the second transistor; and a Zener diode electrically coupled between the gate voltage supply and the capacitor.