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P‐192: Efficient Deep Red Phosphorescent OLEDs with an EL Emission Peak of 670 nm
Author(s) -
Ito Takashi,
Nagai Yuji,
Sasabe Hisahiro,
Onuma Natsuki,
Ohisa Satoru,
Kido Junji
Publication year - 2017
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.12027
Subject(s) - phosphorescence , dibenzofuran , oled , materials science , optoelectronics , excimer , phosphor , fluorescence , chemistry , optics , physics , nanotechnology , organic chemistry , layer (electronics)
Dibenzofuran containing electron‐transporting host materials are developed for deep red phosphorescent OLEDs. These materials can form an exciplex with NPD, and used as host materials. An optimized OLED showed an EQE of 16% with a low turn‐on voltage of 2.4 V with an EL emission peak of 670 nm.