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A novel driving method is proposed to reduce the addressing time in an ac plasma display panel. In this method, priming discharges are used to achieve high-speed addressing without adding an auxiliary electrode. Some of the scan lines were used to provide the priming particles for the reduction of the address discharge time lag (td) in the adjacent scan lines. The number of priming electrodes was optimized and two different types of priming discharge were tested in order to reduce the inherent light output caused by the priming discharges. In the panel experiment, the td was reduced to one half of that of the conventional method when the priming particles were provided and the background luminance was reduced from 4.97 to 2.94 cd/m2 through the reduction of the number of priming electrodes, and further, by changing the type of the priming discharge while the peak luminance could be improved more than twice by allocating the saved-time-to-display period, which in turn, resulted in a higher contrast ratio.