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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
Plenary track > Digital Circuits
Final Paper
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.
Important Date

  • Conference Date

    Jun 12

    2019

    to

    Jun 14

    2019

  • Jun 12 2019

    Draft paper submission deadline

  • Jun 14 2019

    Registration deadline

Organized By
Xi'an University of Technology
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