A flexible top-emitting organic light-emitting diode on steel foil

  • Zhiyuan Xie
  • , Liang Sun Hung*
  • , Furong Zhu
  • *Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

106 Citations (Scopus)

Abstract

An efficient flexible top-emitting organic light-emitting diode (FTOLED) was developed on a thin steel foil. The FTOLED was constructed on the spin-on-glass (SOG)-coated steel substrate with an organic stack of NPB/Alq3 sandwiched by a highly reflective Ag anode and a semitransparent Sm cathode. An ultrathin plasma-polymerized hydrocarbon film (CFX) was interposed between the Ag anode and the NPB layer to enhance hole-injection, and an additional Alq3 layer was overlaid on the Sm cathode to increase light output. The FTOLED showed a peak efficiency of 4.4 cd/A higher than 3.7 cd/A of a convention NPB/Alq3-based bottom-emitting OLED.
Original languageEnglish
Pages (from-to)691-696
Number of pages6
JournalChemical Physics Letters
Volume381
Issue number5-6
DOIs
Publication statusPublished - 21 Nov 2003

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