[OLEDp1] OLED poster

[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))

Keywords:Organic Light Emitting Diode, Bipolar Host, Phosphorescent

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.