[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))
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.