Characteristics of phosphorescent OLEDs and flexible OLED fabricated indium-zinc-tin-oxide anode

IZTO 애노드를 이용하여 제작한 인광 OLED 및 플랙시블 OLED 특성

  • 최광혁 (금오공과대학교 정보나노소재공학과) ;
  • 배정혁 (금오공과대학교 정보나노소재공학과) ;
  • 문종민 (금오공과대학교 정보나노소재공학과) ;
  • 정진아 (금오공과대학교 정보나노소재공학과) ;
  • 김한기 (금오공과대학교 정보나노소재공학과) ;
  • 강재욱 (서울대학교 OLED센터) ;
  • 김장주 (서울대학교 OLED센터)
  • Published : 2007.06.21

Abstract

In this work, we have investigated the characteristics of the phosphorescent OLED and flexible OLED fabricated on IZTO/glass and IZTO/PET anode film grown by magnetron sputtering, respectively. Electrical and optical characteristics of amorphous IZTO/glass anode exhibited similar to commercial ITO anode even though it was deposited at room temperature. In addition, the amorphous IZTO anode showed higher work function than that of the commercial ITO anode after ozone treatment for 10 minutes. Furthermore, a phosphorescent OLED fabricated on amorphous IZTO anode film showed improved current-voltage-luminance characteristics, external quantum efficiency and power efficiency in contrast with phosphorescent OLED fabricated on commercial ITO anode film. This indicates that IZTO anode is promising alternative anode materials for anode in OLEDs and flexible OLEDs.

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