Solving Efficiency–Stability Tradeoff in Top‐Emitting Organic Light‐Emitting Devices by Employing Periodically Corrugated Metallic Cathode

Y. Jin, Dr. J. Feng, X.-L. Zhang, Y.-G. Bi, Y. Bai, L. Chen, T. Lan, Y. F. Liu, Dr. Q. D. Chen, Prof. H.-B. Sun State Key Laboratory on Integrated Optoelectronics College of Electronic Science and Engineering Jilin University 2699 Qianjin Street, Changchun, 130012, P. R. China E-mail: jingfeng@jlu.edu.cn; hbsun@jlu.edu.cn Prof. H.-B. Sun College of Physics Jilin University 119 Jiefang Road, Changchun, 130023, P. R. China