GaN-Based Light-Emitting Diodes Grown on Photonic Crystal-Patterned Sapphire Substrates by Nanosphere Lithography
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概要
- 論文の詳細を見る
GaN-based light-emitting diodes (LEDs) grown on photonic crystal-patterned sapphire substrates (PCPSS) have been demonstrated. PCPSS was fabricated by nanosphere lithography, and the photonic crystal structure was the hexagonal-lattice pattern. The forward voltages of PCPSS and patterned sapphire substrates (PSS) LEDs were smaller than that of conventional sapphire substrates (CSS) LED, and it infers the epitaxial film quality of PCPSS and PSS LEDs has been slightly improved. The luminance intensity of PCPSS LED was 1.63 and 1.51 times higher than those of CSS and PSS LED at 20 mA injection current. The enhancement in the luminance intensity of PCPSS LED is attributed to the photonic crystal structure.
- 2008-08-25
著者
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LIN Chuing-Liang
Department of Electrical Engineering, National Cheng Kung University
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Chen Shi-ming
Department Of Otolaryngology-head And Neck Surgery Renmin Hospital Of Wuhan University
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Su Yan-kuin
Institute Of Electro-optical Science And Engineering Advance Optoelectronics Technology Center Natio
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Kao Chien-chih
Institute Of Microelectronics Department Of Electrical Engineering And Advanced Optoelectronic Techn
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Li Wen-Liang
Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan 701, Taiwan, R.O.C.
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Lin Chuing-Liang
Department of Electronic Engineering, Kun-Shan University, Tainan 710, Taiwan, R.O.C.
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Chen Jian-Jhong
Institute of Microelectronics and Department of Electrical Engineering, National Cheng Kung University, Tainan 701, Taiwan, R.O.C.
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Chen Shi-Ming
Department of Electronic Engineering, Kun-Shan University, Tainan 710, Taiwan, R.O.C.
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Su Yan-Kuin
Institute of Microelectronics and Department of Electrical Engineering, National Cheng Kung University, Tainan 701, Taiwan, R.O.C.
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Kao Chien-Chih
Institute of Electro-Optical Science and Engineering, National Cheng Kung University, Tainan 701, Taiwan, R.O.C.
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