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Conferences > CLEO > 1997 > CPD > CPD19
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1997),
  • paper CPD19

Ultra-bright and highly efficient organic electroluminescent devices with Al cathode

G. E. Jabbour, Y. Kawabe, S. E. Shaheen, J. F. Wang, M. M. Morrell, B. Kippelen, and N. Peyghambarian

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Abstract

We report on devices with an Al/LiF cathode that exhibit luminance in excess of 17,000 cd/m2 and an external quantum efficiency of 2.5 %. The electron injection process in quinacridone doped organic light emitting devices has been enhanced tremendously by inserting a buffer layer of LiF.

© 1997 Optical Society of America

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