Enhanced Light Output of AlGaInP Light Emitting Diodes Using an Indium--Zinc Oxide Transparent Conduction Layer and Electroplated Metal Substrate
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概要
- 論文の詳細を見る
The use of indium--zinc oxide (IZO) as a transparent conduction layer (TCL) for electroplated nickel metal substrate AlGaInP light-emitting diodes with a $300\times 300$ μm2 chip size was investigated with regard to both fabrication and effectiveness in improving light extraction efficiency. A metal system consisting of AuGe/Au was deposited to form ohmic contact dots for the n+-GaAs layer, and then an IZO film was deposited to serve as a TCL. Compared with conventional light emitting diodes (LEDs) with GaAs substrates, the proposed LEDs show an increase in light output power (i.e., $\Delta L_{\text{op}}/L_{\text{op}}$) by 116.7% at 20 mA and 168.9% at 100 mA.
- 2011-01-25
著者
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CHEN Tron-Min
Department of Electrical Engineering, Wu-Feng Institute of Technology
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WANG Pei-Ren
Institute of Microelectronics, Dept. of Electrical Eng., National Cheng Kung Univ.
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Kuo Der-ming
Institute Of Microelectronics Department Of Electrical Engineering National Cheng Kung University
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Chen Tron-Min
Department of Electrical Engineering, WuFeng University, Chia-yi Country, Taiwan 621, R.O.C.
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Uang Kai-Ming
Department of Electrical Engineering, WuFeng Institute of Technology, Chia-yi Country 621, Taiwan, Republic of China
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Uang Kai-Ming
Department of Electrical Engineering, WuFeng University, Chia-yi Country, Taiwan 621, R.O.C.
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LEE Wei-Chi
Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University
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Wang Shui-Jinn
Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan, Taiwan 70101, R.O.C.
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Kuo Der-Ming
Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan 70101, R.O.C.
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WANG Pei-Ren
Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University
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Wang Pei-Ren
Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University, Tainan, Taiwan 70101, R.O.C.
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Wang Shui-Jinn
Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan, Taiwan 701, R.O.C.
関連論文
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