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P‐191: Novel Bipolar Materials Tailored for Phosphorescent OLEDs
Author(s) -
Yamagata Sachiko,
Murata Hiroko,
Egawa Masakazu,
Nakashima Harue,
Inoue Hideko,
Shitagaki Satoko,
Ohsawa Nobuharu,
Kojima Kumi,
Seo Satoshi,
Nomura Ryoji,
Yamazaki Shunpei
Publication year - 2007
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 - 10.1889/1.2785454
Subject(s) - phosphorescence , oled , materials science , optoelectronics , diode , phosphorescent organic light emitting diode , nanotechnology , optics , physics , fluorescence , layer (electronics)
We synthesized novel bipolar materials suitable for acting as host materials of phosphorescent organic light‐emitting diodes (OLEDs). Our molecular design strategy involves combining electron‐ and hole‐transporting components to produce a well‐balanced carrier transportability, which contributes to an increase in efficiency and a decrease in operation voltage of green and red phosphorescent OLEDs.