Nonphosphor White Light Emitting Diodes by Mixed-Source Hydride Vapor Phase Epitaxy

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概要

• 論文の詳細を見る

• In this paper, we approached a novel fabrication for non phosphor white light emitting diodes (LEDs) by the growth of AlGaN/InAlGaN double-hetero structures using by mixed-source hydride vapor phase epitaxy (HVPE) system with multi-sliding boat. It is unique crystal growth technology different from conventional HVPE and metal organic chemical vapor deposition (MOCVD) system using mixed metal source of aluminum, indium and gallium. The characterization of non phosphor white LEDs was examined by photoluminescence (PL) and electroluminescence (EL). The results of EL were found green and yellow emissions as spectrum peaks near 500, 550, and 610 nm definitely. The CIE chromaticity coordinates of white LEDs was measured at injection current 30 mA. Our results are nearly positions; at x = 0.28 and y = 0.31. Even though the LED needs more improved in optical properties, we demonstrated achieving phosphor-free solid-state white lighting.

• 2012-01-25

著者

• Ahn Hyung

  Department Of Applied Physics Korea Maritime University

• Sawaki Nobuhiko

  Department Of Electronics Faculty Of Engineering Nagoya University

• YI Sam

  Department of Applied Physics, Korea Maritime University

• Kim Kyoung

  Department Of Biochemistry Seoul National University College Of Medicine

• Yang Min

  Department Of Hematology The First Affiliated Hospital College Of Medicine Zhejiang University

• SHIN Min

  Department of Infectious Diseases, College of Veterinary Medicine, KRF Zoonotic Disease Priority Research Institute, Brain Korea 21 for Veterinary Science, Seoul National University

• Yu Young-Moon

  LED-Marin Fusion Technology Research Center, Pukyung National University, Busan 608-737, Korea

• Lee Gang

  Department of Applied Sciences, Korea Maritime University, Busan 606-791, Korea

• Jeon Hunsoo

  Department of Applied Sciences, Korea Maritime University, Busan 606-791, Korea

• Jung Se-Gyo

  Department of Applied Sciences, Korea Maritime University, Busan 606-791, Korea

• Bae Seon

  Department of Applied Sciences, Korea Maritime University, Busan 606-791, Korea

• Kim Suck-Whan

  Department of Physics, Andong National University, Andong, Gyeongbuk 760-749, Korea

• Ha Hong-Ju

  CS Solution Co., Ltd., Busan 606-791, Korea

• YANG Min

  Department of Agricultural Chemistry, Division of Applied Life Science, Gyeongsang National University

• Ahn Hyung

  Department of Applied Sciences, Korea Maritime University, Busan 606-791, Korea

• Shin Min

  Department of Applied Science, Korea Maritime University, Busan 606-791, Korea

• Shin Min

  Department of Applied Sciences, Korea Maritime University, Busan 606-791, Korea

• Ha Hong-Ju

  CS Sol Co., Ltd., Busan 606-791, Korea

• Jeon Hunsoo

  Department of Applied Science, Korea Maritime University, Busan 606-791, Korea

• Sawaki Nobuhiko

  Department of Electrical and Electronic Engineering, Aichi Institute of Technology, Toyota, Aichi 470-0392, Japan

• Sawaki Nobuhiko

  Department of Electrical and Electronics Engineering, Aichi Institude of Technology, Toyota, Aichi 470-0392, Japan

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