Patent ID: 7999764

Claim:
A plasma display apparatus comprising: a plasma display panel including a first electrode and a second electrode; a first sustain controller configured to include a first sustain switch and a first reference switch; a second sustain controller configured to include a second sustain switch and a second reference switch; an inductor unit into which a current flows in a first direction before and after a voltage between the first electrode and the second electrode rises from a negative polarity sustain voltage and into which a current flows in a second direction different from the first direction before and after the voltage between the first electrode and the second electrode falls from a positive polarity sustain voltage; a resonance controller configured to control resonance between the plasma display panel and the inductor unit; and a bypass unit including a bypass diode, wherein a first terminal of the first sustain switch is connected to a positive polarity constant voltage source and a second terminal of the first sustain switch is connected to the first electrode, a first terminal of the first reference switch is connected to a reference voltage source of a ground level and a second terminal of the first reference switch is connected to the second electrode, a first terminal of the second sustain switch is commonly connected to the positive polarity constant voltage source and the first terminal of the first sustain switch and a second terminal of the second sustain switch is commonly connected to the second electrode and the second terminal of the first reference switch, a first terminal of the second reference switch is commonly connected to the reference voltage source of a ground level and the first terminal of the first reference switch and a second terminal of the second reference switch is commonly connected to the first electrode and the second terminal of the first sustain switch, a first terminal of the inductor unit is commonly connected to the first electrode, the second terminal of the first sustain switch and the second terminal of the second reference switch, a first terminal of the resonance controller is connected to a second terminal of the inductor unit and a second terminal of the resonance controller is commonly connected to the second electrode, the second terminal of the second sustain switch and the second terminal of the first reference switch, and a cathode terminal of the bypass diode is commonly connected to the positive polarity constant voltage source, the first terminal of the first sustain switch and the first terminal of the second sustain switch, and an anode terminal of the bypass diode is commonly connected to the second terminal of the inductor unit and the first terminal of the resonance controller.