Analysis of Out-Coupling Mechanism in Organic Light-Emitting Diodes

被引：7
|
作者：
Kim, Jin Yeong [1 ]
Kim, Danbi [1 ]
Kim, Do Hong [1 ]
Choi, Kyung Cheol [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2014年 / 26卷 / 09期
基金：
新加坡国家研究基金会;
关键词：
Bragg scattering; organic light-emitting diodes; out-coupling; surface plasmon; OUTCOUPLING EFFICIENCY; EXTRACTION EFFICIENCY;
D O I：
10.1109/LPT.2014.2308253
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We investigated the quantitative mechanism of out-coupling enhancement in nanostructure-embedded organic light-emitting diodes (OLEDs). A numerical calculation was performed for a 2-D configuration with nanostructures, and power dissipation via various optical modes was achieved. The extraction of light loss from the surface plasmon mode was three times higher than that from the waveguide mode in nanostructure-embedded OLEDs. Thus, we conclude that out-coupling enhancement originates from the recovery of light losses related to the surface plasmon mode. Furthermore, we simulated the relation between out-coupling enhancement and the geometry of the nanostructure.
引用
收藏
页码：896 / 899
页数：4
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