Structure-simplified and highly efficient deep blue organic light-emitting diodes with reduced efficiency roll-off at
Xiang-Long Li1, Ming Liu1, Yunchuan Li1
1State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Guangzhou, 510640, P. R. China. mssjsu@scut.edu.cn.
Abstract:
Based on a series of new fluorescent emitters, deep blue non-doped multilayer OLEDs with EQEs exceeding 5.10% and single layer devices excluding any charge carrier transporting materials with an EQE of 4.22% were obtained at an extremely high luminance of 10 000 cd m-2.


