Organic/metal hybrid cathode for transparent organic light-emitting diodes

被引:14
作者
Huh, Jin Woo [1 ]
Moon, Jaehyun [1 ]
Lee, Joo Won [1 ]
Lee, Jonghee [1 ]
Cho, Doo-Hee [1 ]
Shin, Jin-Wook [1 ]
Han, Jun-Han [1 ]
Hwang, Joohyun [1 ]
Joo, Chul Woong [1 ]
Lee, Jeong-Ik [1 ]
Chu, Hye Yong [1 ]
机构
[1] Elect & Telecommun Res Inst, OLED Res Ctr, Taejon 305700, South Korea
关键词
Transparent organic light-emitting diodes; Organic/metal hybrid cathode; Cs-doped electron transport layer (Cs-ETL)/Ag; Microstructure; DEVICES; PLASMONICS; EMISSION;
D O I
10.1016/j.orgel.2013.04.035
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report a highly transparent organic/metal hybrid cathode of a Cs-doped electron transport layer (Cs-ETL)/Ag for transparent organic light-emitting diode (TOLED) applications. Particular attention is paid to the surface morphology on the Ag film and its influence on the optical transparency and electrical conductivity. With the use of Cs-ETL, a smooth and continuous surface morphology of Ag film was achieved, leading to a high transmittance of similar to 75% in TOLED with a low sheet resistance of 4.5 Omega/Sq in cathode film. We successfully applied our Cs-ETL/Ag transparent cathode to fabricate highly transparent OLEDs. Our approach suggests a new electrode structure for transparent OLED applications. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:2039 / 2045
页数:7
相关论文
共 27 条
[21]   Simulation of light emission from thin-film microcavities [J].
Neyts, KA .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, 1998, 15 (04) :962-971
[22]   Transparent conducting metal electrode for top emission organic light-emitting devices: Ca-Ag double layer [J].
Pode, RB ;
Lee, CJ ;
Moon, DG ;
Han, JI .
APPLIED PHYSICS LETTERS, 2004, 84 (23) :4614-4616
[23]   Phosphorescent top-emitting organic light-emitting devices with improved light outcoupling [J].
Riel, H ;
Karg, S ;
Beierlein, T ;
Ruhstaller, B ;
Riess, W .
APPLIED PHYSICS LETTERS, 2003, 82 (03) :466-468
[25]  
Vasicek, 1960, OPTICS THIN FILMS
[26]   Methodology for optimizing viewing characteristics of top-emitting organic light-emitting devices [J].
Wu, CC ;
Lin, CL ;
Hsieh, PY ;
Chiang, HH .
APPLIED PHYSICS LETTERS, 2004, 84 (20) :3966-3968
[27]   Low-voltage inverted transparent vacuum deposited organic light-emitting diodes using electrical doping [J].
Zhou, X ;
Pfeiffer, M ;
Huang, JS ;
Blochwitz-Nimoth, J ;
Qin, DS ;
Werner, A ;
Drechsel, J ;
Maennig, B ;
Leo, K .
APPLIED PHYSICS LETTERS, 2002, 81 (05) :922-924