Title: Highly efficient blue organic light-emitting devices incorporating a composite hole transport layer
Authors: Liao, CH
Lee, MT
Tsai, CH
Chen, CH
Department of Applied Chemistry
D Link NCTU Joint Res Ctr
Issue Date: 16-May-2005
Abstract: Organic light-emitting devices (OLEDs) incorporating the copper phthalocyanine (CuPc)/N,N-'-bis-(1-naphthyl)-N,N-'-diphenyl-1,1(')-biphenyl-4,4(')-diamine composite hole transport layer have been fabricated. Under optimal condition, the highly efficient sky-blue OLED based on the aminosubstituted distyrylarylene fluorescent dye, doped in the stable diphenyanthracene blue host achieved a luminance efficiency of 16.2 cd/A with a Commission Internationale d' Eclairage (CIE)(x,y) color coordinate of [0.15, 0.29] at 6.4 V (20 mA/cm(2)) and an external quantum efficiency of 8.7%. (c) 2005 American Institute of Physics.
URI: http://dx.doi.org/10.1063/1.1931052
ISSN: 0003-6951
DOI: 10.1063/1.1931052
Volume: 86
Issue: 20
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