International Display Workshops General Incorporated Association

14:00 〜 14:20

[MEET5-4(Invited)] Enhanced Performance of All-Inorganic QLED using Double Heat Treatment of NiO HTL

*Yong-Seog Kim1, Sun-Kyo Kim1 (1. Hongik University (Korea))

QLED, NiO, HTL, Heat Treatment, Current Efficiency

https://doi.org/10.36463/idw.2020.0813

Crystallization heat treatment at elevated temperatures followed by vacuum annealing treatment at lower temperatures was introduced to form a crystalline NiO single phase. With the modification, the luminance and current efficiency of QLED with the NiO HTL was improved significantly.