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Above 30% External Quantum Efficiency in Blue Phosphorescent Organic Light‐Emitting Diodes Using Pyrido[2,3‐ b ]indole Derivatives as Host Materials
Author(s) -
Lee Chil Won,
Lee Jun Yeob
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201301091
Subject(s) - phosphorescence , materials science , oled , quantum efficiency , diode , optoelectronics , phosphorescent organic light emitting diode , host (biology) , indole test , quantum , nanotechnology , optics , fluorescence , organic chemistry , physics , chemistry , ecology , layer (electronics) , quantum mechanics , biology
High quantum efficiencies of above 30% in blue phosphorescent organic light emitting diodes are achieved by using novel pyridoindole‐based bipolar host materials. A high quantum efficiency of 30.0% is obtained at 100 cd/m 2 by using the new host materials.