A new pixel circuit for driving organic light-emitting diode with low temperature polycrystalline silicon thin-film transistors

Ya-Hsiang Tai*, Bo Ting Chen, Yu Ju Kuo, Chun Chien Tsai, Ko Yu Chiang, Ying Jyun Wei, Huang-Chung Cheng

*Corresponding author for this work

Research output: Contribution to journalArticle

60 Scopus citations

Abstract

A new pixel circuit design for active matrix organic light-emitting diode (AMOLED), based on the low-temperature polycrystalline silicon thin-film transistors (LTPS-TFTs) is proposed and verified by SPICE simulation. Threshold voltage compensation pixel circuit consisting of four n-type TFTs, one p-type TFT, one additional control signal, and one storage capacitor is used to enhance display image quality. The simulation results show that this pixel circuit has high immunity to the variation of poly-Si TFT characteristics.

Original languageEnglish
Pages (from-to)100-103
Number of pages4
JournalIEEE/OSA Journal of Display Technology
Volume1
Issue number1
DOIs
StatePublished - 1 Sep 2005

Keywords

  • Active matrix organic light-emitting diode (AMOLED)
  • Low-temperature polycrystalline silicon thin-film transistors (LTPS-TFTs)
  • Pixel design
  • SPICE simulation

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