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Improvement of Discharge Delay Time With a New Pulse-Scan Driving Method for AC Plasma Display Panels

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5 Author(s)
Jin-Woo Jung ; PDP Div., Samsung SDI Co. Ltd., Cheonan ; Du-Yeon Han ; Dong-Myung Lee ; Sang-Shin Kwak
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A new pulse-scan-based driving method that can significantly reduce total address time delay of discharge ignition during the address period in a plasma display panel (PDP) is proposed. By applying lower negative scan-pulse voltage to the Y electrode for a short interval, the proposed scheme accelerates the ignition of the gas discharge between addressing electrode (A) and scanning electrode (Y), and then, it reduces the ignition time delay which is closely related to the addressing time. Consequently, the high-speed addressing method can be achieved by it because the width of each scan pulse or each address pulse can be reduced. Therefore, this earned addressing time can directly contribute to the implementation of a single-scan (SS) driving scheme or the improvements in brightness with more sustain pulses. Experimental results with a prototype 50-in full-high-definition SS PDP module show that the total address time delay (Td = Tf +Ts) of discharge ignition with the proposed pulse-scan driving method is reduced by about 10% compared with the conventional driving method.

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Plasma Science, IEEE Transactions on  (Volume:36 ,  Issue: 1 )