Enhanced performance of organic light-emitting diodes using two-dimensional zinc sulfide photonic crystals

被引：9
|
作者：
Kim, C. S. [1 ]
Kim, M. [1 ]
Larrabee, D. C. [1 ]
Vurgaftman, I. [1 ]
Meyer, J. R. [1 ]
Lee, S. H. [2 ]
Kafafi, Z. H. [2 ]
机构：
[1] USN, Res Lab, Quantum Elect Sect, Washington, DC 20375 USA
[2] USN, Res Lab, Organ Optoelect Sect, Washington, DC 20375 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2009年 / 106卷 / 11期
关键词：
brightness; II-VI semiconductors; organic light emitting diodes; photonic crystals; zinc compounds; EXTRACTION-EFFICIENCY; PHOSPHORESCENCE;
D O I：
10.1063/1.3264886
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The light extraction efficiency of an organic light-emitting diode (OLED) was significantly enhanced upon incorporating a photonic-crystal (PC) pattern consisting of ZnS pillars residing on top of the transparent anode-glass substrate. The luminance efficiency of the PC-OLED is enhanced by a factor of 2.1 to 2.4 depending on the periodicity of the PC structure, when compared to that of a control OLED operating under the same conditions.
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页数：4
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