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Integration of organic LED's and amorphous Si TFT's onto flexible and lightweight metal foil substrates

  • C. C. Wu
  • , S. D. Theiss
  • , G. Gu
  • , M. H. Lu
  • , J. C. Sturm
  • , S. Wagner
  • , S. R. Forrest

Research output: Contribution to journalArticlepeer-review

Abstract

We report the integration of organic light emitting devices (OLED's) and amorphous Si (a-Si) thin-film transistors (TFT's) on both glass, and unbreakable and lightweight thin stainless steel foil substrates. The doped-polymer OLED's were built following fabrication of driver TFT's in a stacked structure. Due to the opacity of the steel substrate, top-emitting OLED structures were developed. It is shown that the a-Si TFT's provide adequate current levels to drive the OLED's at video brightness (∼100 cd/m2). This work demonstrates that lightweight and rugged TFT backplanes with integrated OLED's are essential elements for robust and highly portable active-matrix emissive flat-panel displays.

Original languageEnglish (US)
Pages (from-to)609-612
Number of pages4
JournalIEEE Electron Device Letters
Volume18
Issue number12
DOIs
StatePublished - Dec 1997

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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