Broadband Light Extraction from White Organic Light‐Emitting Devices by Employing Corrugated Metallic Electrodes with Dual Periodicity

Y.-G. Bi, Prof. J. Feng, Y.-F. Li, X.-L. Zhang, Y.-F. Liu, Y. Jin, 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