Light Output Power Enhancement of GaN-Based Light Emitting Diodes with Periodic Deflector Embedded on the Wet Etch Patterned Sapphire Substrate
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概要
- 論文の詳細を見る
In this work, light-emitting diodes (LEDs) are fabricated with periodic deflector embedded (PDE) on the wet etch patterned sapphire substrate (PSS). A wet etching technique is employed to form the PDE-PSS structures. The performance of the PDE and PDE-PSS LEDs were compared with the conventional LEDs. The light output power of the PDE and PDE-PSS LEDs were enhanced by the factor of 40 and 60%, respectively, compared to that obtained from conventional LEDs. The light trajectories that are guided along the epilayer in the LEDs can be extracted by the helps of periodic deflectors as well as a typical PSS structure.
- 2011-04-25
著者
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Kim Hyun
School Of Civil Environmental And Architectural Engineering Korea University
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Kim Hyung
School Of Biomedical Engineering College Of Biomedical And Health Science Research Institute Of Biom
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Kim Hee
School Of Animal Bioscience & Technology Konkuk University
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Kang Sin
LG Display, Paju, Gyeonggido 418-811, Korea
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Kang Ji
School of Semiconductor and Chemical Engineering, Chonbuk National University, Chonju 561-756, Korea
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Ryu Jae
School of Semiconductor and Chemical Engineering, Chonbuk National University, Chonju 561-756, Korea
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Uthirakumar Periyayya
School of Semiconductor and Chemical Engineering, Chonbuk National University, Chonju 561-756, Korea
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Hong Chang-Hee
School of Semiconductor and Chemical Engineering and Semiconductor Physics Research Center, Chonbuk National University, Chonju 561-756, Korea
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Han Nam
School of Semiconductor and Chemical Engineering and Semiconductor Physics Research Center, Chonbuk National University, Chonju 561-756, Korea
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Kwon Bong
School of Semiconductor and Chemical Engineering, Chonbuk National University, Chonju 561-756, Korea
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Han Myung
LG Display, Paju, Gyeonggido 418-811, Korea
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Han Nam
School of Semiconductor and Chemical Engineering, Chonbuk National University, Chonju 561-756, Korea
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Kang Ji
School of Semiconductor and Chemical Engineering and Semiconductor Physics Research Center, Chonbuk National University, Chonju 561-756, Korea
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Kim Hyung
School of Semiconductor and Chemical Engineering, Chonbuk National University, Chonju 561-756, Korea
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Kim Hyun
School of Advanced Materials Science and Engineering, Center for Advanced Plasma Surface Technology, Sungkyunkwan University, Suwon, Kyunggi-do 440-746, Republic of Korea
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Kwon Bong
School of Advanced Materials Science and Engineering and Center for Advanced Plasma Surface Technology, Sungkyunkwan University, Suwon, Kyunggi-do 440-746, Korea
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Ryu Jae
School of Semiconductor and Chemical Engineering and Semiconductor Physics Research Center, Chonbuk National University, Chonju 561-756, Korea
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Uthirakumar Periyayya
School of Semiconductor and Chemical Engineering and Semiconductor Physics Research Center, Chonbuk National University, Chonju 561-756, Korea
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