Highly efficient red organic light emitting diodes based on tandem structure - Details

author：

Xin, Q. (Xin, Q..) ^[1] | Li, W. (Li, W..) ^[2] | Li, T. (Li, T..) ^[3] | Su, W. (Su, W..) ^[4] | Sun, X. (Sun, X..) ^[5]

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Abstract：

In　order　to　improve　brightness　and　efficiency　of　red　organic　light　emitting　devices　(OLEDs),　highly　efficient　red　tandem　OLEDs　have　been　fabricated　by　using　AlQ3:Mg/WO3　as　interconnecting　layer.　The　optimal　device　whose　efficiency　and　luminance　reach　three　times　efficiency　and　four　time　of　that　of　a　conventional　single-unit　device　respectively,　is　obtained　by　controling　WO3　thickness.　The　device　is　fabricated　by　Eu(DBM)3　bath　and　DCJTI　units,　with　a　structure　of　ITO/TPD/DCJTI:CBP/BCP/Alq3/Alq3:　Mg/WO3/TPD/Eu(DBM)3　bath:TPD/Eu(DBM)　3　bath/LiF/Al　and　the　maximum　luminance　of　8609　cd/m2　and　the　maximum　efficiency　of　10.2　cd/A　are　achieved.

Keyword：

Interconnecting layer; Optical device; Organic light-emitting device (OLED); Red light; Tandem structure

Community：

[ 1 ] [Xin, Q.]College of Physics and Information Engineering, Fuzhou University, Fuzhou 350002, China
[ 2 ] [Xin, Q.]Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
[ 3 ] [Li, W.]Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
[ 4 ] [Li, T.]Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
[ 5 ] [Su, W.]Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
[ 6 ] [Sun, X.]Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Reprint 's Address：

[Xin, Q.]College of Physics and Information Engineering, Fuzhou University, Fuzhou 350002, China

Email：

yaojm@fzu.edu.cn

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Source ：

Acta Optica Sinica

ISSN： 0253-2239

Year： 2008

Issue： 10

Volume： 28

Page： 2002-2005

1 . 6 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 2

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