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40‐3: Highly Stable Deep‐Blue OLED Achieved by Hole‐Transport Material with Deep HOMO Level
Author(s) -
Okuyama Takumu,
Hashimoto Naoaki,
Takita Yusuke,
Sasaki Toshiki,
Yamagata Sachiko,
Ogita Kaori,
Suzuki Tsunenori,
Seo Satoshi,
Yamazaki Shunpei
Publication year - 2019
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.12980
Subject(s) - oled , deep blue , materials science , optoelectronics , blue light , nanotechnology , chemistry , photochemistry , layer (electronics)
Our developed hole‐transport materials (HTMs) with deep HOMO levels improve a lifetime of a deep‐blue OLED in 85°C operation. Furthermore, a deep‐blue OLED with these HTMs achieved an LT 95 of 360 h in room temperature operation (50 mA/cm 2 ). These HTMs are also applicable for red and green devices.
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