Influence of ITO patterning on reliability of organic light emitting devices

Zhaokui Wang, Shigeki Naka, Hiroyuki Okada*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Indium tin oxide (ITO) films are widely used for a transparent electrode of organic light emitting devices (OLEDs) because of its excellent conductivity and transparency. Two types of ITO substrates with different surface roughness were selected to use as anode of OLEDs. In addition, two types of etching process of ITO substrate, particularly the etching time, were also carried out. It was found that the surface roughness and/or the etching process of ITO substrate strongly influenced on an edge of ITO surface, further affected the operating characteristics and reliability of devices.

Original languageEnglish
Pages (from-to)497-500
Number of pages4
JournalThin Solid Films
Volume518
Issue number2
DOIs
StatePublished - 2009/11/30

Keywords

  • Indium tin oxide (ITO)
  • Organic light emitting device (OLED)
  • Patterning
  • Surface roughness

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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