New pixel circuits for driving active matrix organic light emitting diodes

Bo Ting Chen*, Ya-Hsiang Tai, Yu Ju Kuo, Chun Chien Tsai, Huang-Chung Cheng

*Corresponding author for this work

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

New pixel circuit designs for active matrix organic light emitting diodes (AMOLEDs), based on the low-temperature polycrystalline silicon thin-film transistors (LTPS-TFTs) were proposed and verified by SPICE simulation and fabrication results. Threshold voltage compensation pixel circuits consisting of five TFTs, one additional control signal, and one storage capacitor were used to enhance display image uniformity. The simulation and measured results show that this pixel circuit has high immunity to the variation of poly-Si TFT characteristics.

Original languageEnglish
Pages (from-to)272-275
Number of pages4
JournalSolid-State Electronics
Volume50
Issue number2
DOIs
StatePublished - 1 Feb 2006

Keywords

  • AMOLED(active matrix organic light emitting diode)
  • LTPS-TFTs(low-temperature polycrystalline silicon thin-film transistors)
  • Pixel design

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