Improvement of light out-coupling in organic light-emitting diodes by printed nanosized random texture layer

被引：16
|
作者：
Shin, Se Joong [1 ]
Park, Tae Hyun [1 ]
Choi, Jin Hwan [1 ]
Song, Eun Ho [1 ]
Kim, Hakkoo [1 ]
Lee, Hyun Jun [1 ]
Lee, Jeong-Ik [2 ]
Chu, Hye Yong [2 ]
Lee, Kyu Back [3 ]
Park, Young Wook [4 ]
Ju, Byeong-Kwon [1 ]
机构：
[1] Korea Univ, Coll Engn, Display & Nanosyst Lab, Seoul 136713, South Korea
[2] Elect & Telecommun Res Inst, Convergence Components & Mat Res Lab, Taejon 305350, South Korea
[3] Korea Univ, Dept Biomed Engn, Coll Hlth Sci, Seoul 136713, South Korea
[4] Korea Univ, Inst High Technol Mat & Devices, Seoul 136713, South Korea
来源：
ORGANIC ELECTRONICS | 2013年 / 14卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
Organic light-emitting diodes (OLEDs); Nanosized structures; Random pattern; Out-coupling; Printing process; EXTERNAL-QUANTUM-EFFICIENCY; DEVICES;
D O I：
10.1016/j.orgel.2012.10.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We demonstrate greatly improved light out-coupling efficiency and undistorted light output in organic light-emitting diodes (OLEDs) containing a nanosized random texture layer (nRTL). The nRTL is fabricated on a glass substrate by an inexpensive and simple printing process. Compared to a conventional device, OLEDs with the nRTL showed greatly improved power efficiency (+102%) at a luminance of 3000 cd/m(2). The nRTL is free of viewing-angle-dependent color and brightness distortion and suitable for industrial mass production. (c) 2012 Elsevier B.V. All rights reserved.
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页码：187 / 192
页数：6
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