International Display Workshops General Incorporated Association

Proceedings of the International Display Workshops Volume 27 (IDW '20)

Proceedings of the International Display Workshops Volume 27 (IDW '20)

Dec 9, 2020 - Dec 11, 2020
Virtual Conference

1:00 PM - 1:20 PM

[OLED4-1(Invited)] Multiple Resonance Effect-Based Narrowband TADF Emitters

*Takuji Hatakeyama1, Yasuihiro Kondo2, Kazuki Yoshiura1, Sayuri Kitera1, Hiroki Nishi1, Susumu Oda1, Hajime Gotoh1, Yasuyuki Sasada2, Motoki Yanai2 (1. Kwansei Gakuin University (Japan), 2. JNC Petrochemical Corporation (Japan))

OLED, multiple resonance effect, thermally activated delayed-fluorescence, organoboron compound

https://doi.org/10.36463/idw.2020.0396

A thermally activated delayed-fluorescence material that exhibits an ultrapure blue emission were synthesized. The emitter consists of five benzene rings connected by two boron and four nitrogen atoms and two diphenylamino substituents. The multiple resonance effect of the boron and nitrogen atoms realizes narrowband emission and fast reverse intersystem crossing.