3-tft oled pixel circuit for high stability with in-pixel current source

Ting Liu, James C. Sturm

Research output: Contribution to journalConference articlepeer-review

Abstract

A new 3-TFT voltage-programmed pixel circuit with an in-pixel current source is presented, which can be largely insensitive to the TFT threshold voltage shift. The fabricated pixel circuit provides OLED current ranging from 25nA to 2.9µA, an on/off ratio of 116 at typical QVGA display timing.

Original languageEnglish (US)
Pages (from-to)1101-1103
Number of pages3
JournalDigest of Technical Papers - SID International Symposium
Volume43
Issue number1
DOIs
StatePublished - 2012
Event49th SID International Symposium, Seminar and Exhibition, dubbed Display Week, 2012 - Boston, United States
Duration: Jun 3 2012Jun 8 2012

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Keywords

  • 3-TFT
  • AMOLED pixel circuit
  • In-pixel current source
  • Threshold voltage shift compensation
  • Voltage-programmed

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