International Display Workshops Incorporated Association

10:40 AM - 1:10 PM

[OLEDp1-5] Wide-bandgap bipolar material with high thermal stability

Sheng-Chieh Lin1, Yu-Chieh Cheng1, Man-Kit Leung1, Jiun-Haw Lee1, *Tien-Lung Chiu2 (1. National Taiwan University (Taiwan), 2. Yuan Ze University (Taiwan))

Organic Light Emitting Diode, Bipolar Host, Phosphorescent

https://doi.org/10.36463/idw.2019.0903

A new organic compound was synthesized with bipolar carrier mobility, high singlet/triplet energies, and high thermal stability (193 oC) with suitable molecular design. As the host of blue phosphorescent OLED, it shows maximum current efficiency, power efficiency, and external quantum efficiency of 58.7 cd/A, 59.3 lm/W, and 28.6%, respectively.