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

被引：105
作者：
Bi, Yan-Gang [1 ]
Feng, Jing [1 ]
Li, Yun-Fei [1 ]
Zhang, Xu-Lin [1 ]
Liu, Yue-Feng [1 ]
Jin, Yu [1 ]
Sun, Hong-Bo [1 ,2 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
[2] Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
来源：
ADVANCED MATERIALS | 2013年 / 25卷 / 48期
关键词：
white organic light-emitting devices; light extraction; surface-plasmon polaritons; dual-periodic corrugation; MEDIATED EMISSION; DIODES; EFFICIENCIES;
D O I：
10.1002/adma.201302367
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A dual-periodic corrugation consisting of two sets of gratings with different periods to realize a broadband light extraction in white organic light-emitting diodes (WOLEDs) is shown. A 37 % enhancement in current efficiency and 48 % enhancement in the external quantum efficiency compared to those of the conventional planar devices have been obtained. Besides the much improved efficiency, the dual-periodic corrugated WOLEDs exhibit satisfying viewing characteristics. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：6969 / 6974
页数：6
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