한국정보디스플레이학회:학술대회논문집

한국정보디스플레이학회 (The Korean Infomation Display Society)
권호 표지

Enhancement of the luminous efficiency of organic light-emitting diodes utilizing a wide-bandgap impurity doped emitting layer

  • Choo, D.C. (Research Institute of Information Display, Division of Electronics and Computer Engineering, Hanyang University) ;
  • Bang, H.S. (Research Institute of Information Display, Division of Electronics and Computer Engineering, Hanyang University) ;
  • Kwack, B.C. (Department of Information Display Engineering, Hanyang University) ;
  • Kim, T.W. (Research Institute of Information Display, Division of Electronics and Computer Engineering, Hanyang University, Department of Information Display Engineering, Hanyang University) ;
  • Seo, J.H. (Department of Information Display Engineering & COMID, Hong-ik University) ;
  • Kim, Y.K. (Department of Information Display Engineering & COMID, Hong-ik University)
  • 발행 : 2007.08.27
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초록

The electrical properties of organic lightemitting devices (OLEDs) with wide-bandgap impurity-doped emitting layers (EML) were investigated. While the luminous efficiency of OLEDs with a NPB or a DPVBi-doped $Alq_3$ EML did not vary significantly with the current density, that of the OLEDs with a BCP-doped $Alq_3$ EML changed dramatically.

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