Highly Efficient and Inverted Tandem Organic Light-Emitting Devices Using a MoO3/Al/MoO3 Charge Generation Layer

被引：0
|
作者：
Yeh, Tzu-Hung [1 ]
Chang, Po-Chien [1 ]
Lie, Ya-Ze [2 ]
Liu, Shun-Wei [1 ]
Chen, Sheng-Bin [2 ]
Lee, Chih-Chien [2 ]
机构：
[1] Ming Chi Univ Technol, Dept Elect Engn, New Taipei 24301, Taiwan
[2] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 10607, Taiwan
来源：
2016 23RD INTERNATIONAL WORKSHOP ON ACTIVE-MATRIX FLATPANEL DISPLAYS AND DEVICES (AM-FPD) | 2016年
关键词：
DIODES;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a bottom-emission, inverted, tandem phosphorescent organic light-emitting devices (PHOLEDs) using a multilayer charge generation layer (CGL) of MoO3/Al/MoO3 (MAM), which exhibit a maximum external quantum efficiency of 40% and current efficiency of 120 cd/A. In this inverted tandem structure, the feature of MAM shows a high optical transmittance (approximately 80%) in visible light, an efficient charge generation property, and a relatively smooth morphology as serving an efficient CGL to connect the bottom and top display units. In addition, the device structure of ITO/LiF/TAPC/MAM/BPhen:CS2CO3/BPhen/LiF/Al was proposed to capacitance characterization, and the results demonstrated that using the ultra-thin Al of similar to 2 nm in MAM structure exhibited a more efficient CGL for high performance inverted tandem PHOLEDs.
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页码：56 / 59
页数：4
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