Effect of the Thickness of the Lithium Quinolate and Aluminum Mixed Layer Acting as an Electron Injection Layer on the Efficiency of Organic Light-Emitting Devices
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概要
- 論文の詳細を見る
The thickness of the lithium quinolate and aluminum mixed layer acting as an electron injection layer in organic light-emitting diodes (OLEDs) was optimized to enhance the efficiencies of OLEDs. The electrical properties of OLEDs with a mixed layer were compared with those of hole-rich or electron-only devices. The current densities of OLEDs with a mixed layer were lower than those of OLEDs without a mixed layer. The luminance efficiencies of OLEDs with a mixed layer were higher than those of OLEDs without a mixed layer due to an increase in electron current and a decrease in hole current, resulting in achieving more balance of electrons and holes in an emitting layer.
- 2008-08-25
著者
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Kim Young
Department Of Agricultural Chemistry The University Of Tokyo
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Choo Dong
Research Institute Of Information Display Department Of Electronics And Computer Engineering Hanyang
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Park Jung
Department Electrical Engineering Busan National University
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Park Jung
Department of Information Display Engineering, Hong-ik University, Seoul 121-791, Korea
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Kim Tae
Research Center for Time-domain Nano-functional Devices and School of Electrical Engineering, Korea University, Seoul 136-701, Korea
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Seo Ji
Department of Information Display Engineering, Hong-ik University, Seoul 121-791, Korea
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Choo Dong
Research Institute of Information Display, Division of Electronics and Computer Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791, Korea
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Cha Han
Research Institute of Information Display, Division of Electronics and Computer Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul 133-791, Korea
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Kim Young
Department of Chemical Engineering, Hong-ik University, Seoul 121-791, Korea
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