植物工場用青色LED, LDの現状と将来 Present Status and Future of Blue LEDs and LDs

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High-power InGaN single-quantum-well (SQW) structure blue/green light-emitting diodes (LEDs) with an output power of 3-5mW were fabricated. The continuous-wave operation of bluish-purple InGaN multi-quantum-well (MQW)-structure laser diodes (LDs) was achieved at room temperature with a lifetime of 35 hours. The threshold current and the voltage of the LD were 80mA and 5.5V, respectively. By changing the indium composition of the InGaN well layers of the InGaN MQW LDs, the emission wavelength of the LDs was varied between 390nm and 440nm which was suitable for the application of a laser plant factory. Photocurrent spectra of the InGaN SQW LEDs were measured at room temperature. The energy differences between the absorption and the emission energy of the blue/green InGaN SQW LEDs were 290 and 570meV. Both spontaneous and stimulated emission originated from these deep localized energy states.

収録刊行物

  • レーザー研究  

    レーザー研究 25(12), 850-854, 1997-12-15 

    The Laser Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002045085
  • NII書誌ID(NCID)
    AN00255326
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    03870200
  • NDL 記事登録ID
    4366363
  • NDL 雑誌分類
    ZN33(科学技術--電気工学・電気機械工業--電子工学・電気通信)
  • NDL 請求記号
    Z16-1040
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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