Four-thin film transistor pixel electrode circuits for active-matrix organic light-emitting displays

Yi He, Reiji Hattori, Jerzy Kanicki

研究成果: Contribution to journalArticle査読

71 被引用数 (Scopus)

抄録

Constant-current, four-thin-film-transistor (TFT) pixel electrode circuits, based on hydrogenated amorphous silicon (a-Si:H) TFT technology for active-matrix organic light-emitting displays (AM-OLEDs), have been designed, fabricated, and characterized. Experimental results indicate that continuous pixel electrode excitation can be achieved with these circuits. The pixel electrode circuits use a current driver to automatically adjust their current level for threshold voltage shifts of both the organic light-emitting devices and the drive TFT. Consequently, these pixel electrode circuits have excellent electrical reliability even when a large threshold voltage shift is present. A high output current level and a good output-input current linearity have been demonstrated with these circuits.

本文言語英語
ページ(範囲)1199-1208
ページ数10
ジャーナルJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
40
3 A
DOI
出版ステータス出版済み - 3 2001

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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