Electroluminescent properties of color/luminance tunable organic light emitting diodes and their lifetime enhancement with encapsulation

被引：6

作者：

Chen, Chen-Ming ^{[1
]}

Chung, Ming-Hua ^{[1
]}

Hsieh, Tsung-Eong ^{[1
]}

Huang, Bohr-Ran ^{[2
]}

Hsieh, Huai-En ^{[2
]}

Juang, Fuh-Shyang ^{[3
]}

Tsai, Yu-Sheng ^{[3
]}

Liu, Mark O. ^{[4
]}

Lin, Jen-Lien ^{[4
]}

机构：

[1] Natl Chiao Tung Univ, Dept Mat Sci & Engn, Hsinchu 30010, Taiwan

[2] Natl Yunlin Univ Sci & Technol, Grad Sch Optoelect Engn, Yunlin 64002, Taiwan

[3] Natl Formosa Univ, Inst Electroopt & Mat Sci, Huwei 63208, Yunlin, Taiwan

[4] Ind Technol Res Inst, Mat & Chem Res Labs, Hsinchu 30011, Taiwan

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2008年 / 153卷 / 1-3期

关键词：

Electroluminescent properties; Color tunable; Luminance tunable; Organic light emitting diodes; Lifetime; Encapsulation;

D O I：

10.1016/j.mseb.2008.10.028

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, color/luminance tunable organic light emitting diodes (OLEDs) (ITO glass/naphthyl phenyl benzidine (NPB; 80 nm)/4,4'-bis(diphenylvinylenyl)-biphenyl (ADS082BE; 35 nm)/1,3-bis[2-(2,2'-bipyridine-6-yl)-1,3,4-oxadiazo-5-yl]benzene (Bpy-OXD; 20 nm)/tris-[8-hydroxy-quinoline]aluminum (Alq(3); 50 nm)/lithium fluoride (LiF; 3 nm)/aluminum (Al, 80 nm)) with low turn-on voltage (3 V) and high luminance (4850 cd/m(2) at 9 V) have been successfully manufactured. The experimental results reveal that their electroluminescent properties (e.g. hue, luminescent intensity, etc.) can be modulated by the manipulation for the layer thickness of NPB/ADS082BE/Bpy-OXD and the applied voltages. In addition, we have also demonstrated lab-made UV-curable silicone-acrylate encapsulating resin exhibits excellent gas barrier capability so that the half-lifetimes of OLEDs reach 98 h whereas those without encapsulation are only 9 h. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：100 / 105

页数：6

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