International Display Workshops General Incorporated Association

Proceedings of the International Display Workshops Volume 26 (IDW '19)

Proceedings of the International Display Workshops Volume 26 (IDW '19)

2019年11月27日 〜 2019年11月29日
Sapporo Convention Center

17:55 〜 18:10

[OLED3-5L] Spectral Narrowing and Efficiency Enhancing in Deep-Red Organic Light Emitting Diode

*Yuichiro Kawamura1, Takushi Shiomi1, Kei-ichi Yasukawa1, Shota Sawano1, Hiromi Nakano1, Hisato Matsumoto1, Toshinari Ogiwara1, Keiji Okinaka1, Kazumasa Nagao2, Kazunari Kawamoto2 (1. Idemitsu Kosan Co.,Ltd. (Japan), 2. Toray Industries, Inc. (Japan))

Organic Light Emitting Diode, Deep Red, Fluorescence, TADF, Top-Emission

https://doi.org/10.36463/idw.2019.0844

We developed both thermally activated delayed fluorescence materials with high performances and spectral-narrow fluorescent dopants for deep-red organic light-emitting diodes. We achieved the efficiency of 46 cd/A at 10 mA/cm2 and the LT95 of around 90 hours at 50 mA/cm2 in the top emission device at CIEx = 0.679.