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579 / 2019-03-15 14:06:12
A Pixel Circuit with Compensation for Threshold Voltage and Current-Resistance Voltage Drop
LTPS TFT, threshold voltage variation, voltage drop, pixel circuit
全体主题 > Digital Circuits
终稿
Xiaofei Guan / School of Electrical Engineering, University of South China
Yong Huang / School of Electrical Engineering, University of South China
Liwen Zhang / School of Electrical Engineering, University of South China
Yuehua Li / School of Electrical Engineering, University of South China
Xinlin Wang / School of Electrical Engineering, University of South China
Hongyu He / School of Electrical Engineering, University of South China
A voltage-programmed pixel circuit composed by five low temperature polycrystalline silicon (LTPS) thin film transistors (TFTs) and two capacitors is presented for active-matrix organic light-emitting diode displays. The new circuit can eliminate the variation in the threshold voltage of the driving TFT, and the drop in the supply voltage in a single frame operation. The simulation results demonstrate that the relative current error rates are less than 2.2％ with the threshold voltage variations ±0.5 V.
重要日期

  • 会议日期

    06月12日

    2019

    至

    06月14日

    2019

  • 06月12日 2019

    初稿截稿日期

  • 06月14日 2019

    注册截止日期

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