Media type: E-Article Title: High-efficiency and reduced efficiency roll-off of top-emitting organic light-emitting diodes Contributor: Wang, Zhen; Xi, Yuanfeng; Liang, Zhenshan; Tan, Xing; Xu, Dongpo; Chen, Weiwei imprint: Springer Science and Business Media LLC, 2023 Published in: Optoelectronics Letters Language: English DOI: 10.1007/s11801-023-3006-0 ISSN: 1673-1905; 1993-5013 Keywords: Electrical and Electronic Engineering ; Condensed Matter Physics ; Atomic and Molecular Physics, and Optics ; Electronic, Optical and Magnetic Materials Origination: Footnote: