| Citation: |
Si Yujuan, Xu Yanlei, Lang Liuqi, Chen Xinfa, Liu Shiyong. A New AC Driving Method for a Current-Programmed AM-OLED Pixel Circuit[J]. Journal of Semiconductors, 2006, 27(9): 1562-1565.
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Si Y J, Xu Y L, Lang L Q, Chen X F, Liu S Y. A New AC Driving Method for a Current-Programmed AM-OLED Pixel Circuit[J]. Chin. J. Semicond., 2006, 27(9): 1562.
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A New AC Driving Method for a Current-Programmed AM-OLED Pixel Circuit
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Abstract
A new,improved pixel-driving circuit is presented based on a current-programmed pixel circuit in order to achieve an AC-driving mode.This driving method realizes an AC-driving mode,removes the threshold voltage variation of the driving TFT due to the process variation or long-term operation,which can bring about brightness non-uniformity,and eliminates high peak pulse currents at the beginning and end of recovery time.Simulation is done with AIM-SPICE,and simulation results demonstrate that the OLED is in the reverse-biased state during recovery time. -
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