High-contrast and high-efficiency microcavity top-emitting white organic light-emitting devices

被引:33
作者
Ji, Wenyu [1 ,2 ]
Zhang, Letian [1 ]
Zhang Tianyu [1 ]
Xie, Wenfa [1 ]
Zhang, Hanzhuang [2 ]
机构
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
[2] Jilin Univ, Dept Phys, Changchun 130023, Peoples R China
基金
中国国家自然科学基金;
关键词
White OLED; Top-emitting; Microcavity; High-contrast; INTEGRATION; MIRRORS;
D O I
10.1016/j.orgel.2009.10.016
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Microcavity top-emitting white organic light-emitting devices (TEWOLEDs) with M/(Alq(3)/Ag)(2) anode (M = Ag, Au or Al, Alq(3) is tris (8-hydroxyquinoline) aluminum) were investigated. All devices show white emission and the optical properties of the anode play an important effect on the efficiency and contrast of the devices. The maximum efficiencies of the top-emitting devices are comparable to the corresponding bottom one and the contrasts of top-emitting devices are much higher than that of the bottom one. The results indicated that such TEWOLEDs are compatible with complementary metal oxide semiconductor or organic thin film transistor techniques which using Au or Al as electrode. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:202 / 206
页数:5
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