한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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유/무기 복합 박막을 이용한 유기발광 소자의 보호층에 관한 연구

Study on the Hybrid Passivation layer of OLEDs using the Organic/Inorganic Thin Film

  • 배성진 (고려대학교 디스플레이 및 나노시스템연구실) ;
  • 이주원 (한국과학기술연구원 광전자재료연구센터) ;
  • 이영훈 (한국과학기술연구원 광전자재료연구센터) ;
  • 강남수 (한국과학기술연구원 광전자재료연구센터) ;
  • 김동영 (한국과학기술연구원 광전자재료연구센터) ;
  • 황성우 (고려대학교 나노전자연구실) ;
  • 김재경 (한국과학기술연구원 광전자재료연구센터) ;
  • 주병권 (고려대학교 디스플레이 및 나노시스템연구실)
  • 발행 : 2006.04.28
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초록

The hybrid thin-film (HTF) passivation layer composed of the Ultra Violet (UV) curable acrylate layer and MS-31 (MgO:$SiO_2$=3:1wt%) layer was adopted in organic light emitting device (OLEO) to protect organic light emitting materials from penetrations of oxygen and water vapors. The results showed that the HTF layer possessed a very low WVTR value of lower than $0.007gm/m^{2+}day$ at $37.8^{\circ}C$ and 100% RH. This value was within the limited range of the sensitivity of WVTR measurements. And the lifetime of the HTF passivated device became almost three times longer than that of the bare device. The HTF on the OLEO was found to be very effective in protect what from the penetrations of oxygen and moisture.

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