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

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

Dec 9 - Dec 11, 2020Virtual Conference
The International Display Workshops
Proceedings of the International Display Workshops Volume 27 (IDW '20)

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

Dec 9 - Dec 11, 2020Virtual Conference

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

Keywords:

QLED,NiO,HTL,Heat Treatment,Current Efficiency

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.