A novel driver is proposed to drive a plasma display panel (PDP) in the sustaining operation. The proposed circuit uses the parallel resonance between the inductor and the intrinsic capacitance of PDP to mainly recover the energy lost by the capacitive displacement current of PDP and the parasitic resonance.
The sustaining driver for plasma display panel (PDP) should provide alternating high voltage pulses to ignite plasma and recover the energy stored in the intrinsic capacitance between the scanning and sustaining electrodes inside the panel. Second-order circuits utilizing the seriesconnected or parallel-connected external inductance and intrinsic capacitance have been successfully adopted for the sustaining driver. In this way, high efficiency and low component count can be achieved. In this paper, the electrical characteristics of second-order drivers in the sustaining operation mode are investigated and influence of the ignited plasma discharging current on the driver performance is discussed.
141ASID'99
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