Active-matrix organic light-emitting displays employing two thin-film-transistor a-Si:H pixels on flexible stainless-steel foil

Alex Z. Kattamis, Noel Giebink, I. Chun Cheng, Sigurd Wagner, Stephen R. Forrest, Yongtaek Hong, Vincent Cannella

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

An active-matrix organic light-emitting diode (AMOLED) display driven by hydrogenated amorphous-silicon thin-film transistors (a-Si:H TFTs) on flexible, stainless-steel foil was demonstrated. The 2-TFT voltage-programmed pixel circuits were fabricated using a standard a-Si:H process at maximum temperature of 280°C in a bottom-gate staggered source-drain geometry. The 70-ppi monochrome display consists of (48 × 4) × 48 subpixels of 92 × 369 μm each, with an aperture ratio of 48%. The a-Si:H TFT pixel circuits drive top-emitting green electrophosphorescent OLEDs to a peak luminance of 2000 cd/m2.

Original languageEnglish (US)
Pages (from-to)433-437
Number of pages5
JournalJournal of the Society for Information Display
Volume15
Issue number7
DOIs
StatePublished - Jul 1 2007

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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