Design and development of an LED-artificial sunlight source system capable of controlling spectral power distribution

• Project/Area Number: 18380147
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Agricultural environmental engineering
• Research Institution: The University of Tokyo
• Principal Investigator: FUJIWARA Kazuhiro The University of Tokyo, 大学院・農学生命科学研究科, 准教授 (30211535)
• Co-Investigator(Kenkyū-buntansha): YANO Akira 島根大学, 生物資源科学部, 准教授 (70292670)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥18,190,000 (Direct Cost: ¥15,400,000、Indirect Cost: ¥2,790,000); Fiscal Year 2008: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2007: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000); Fiscal Year 2006: ¥6,100,000 (Direct Cost: ¥6,100,000)
• Keywords: 発光ダイオード / 分光分布 / 太陽光 / 人工光源 / 光生物学研究 / 分光エネルギー分布 / スペクトル可変

Research Abstract

地表面における太陽光の分光エネルギー分布(光のスペクトル)に近い光を基準光として照射可能であり,かつピーク波長の異なる複数種の発光ダイオードへの印加電圧をそれぞれ調節することにより,光生物学研究において重要な波長範囲について分光エネルギー分布を任意にかつ動的に制御できるような世界初の光源システムを開発した。本光源システムは,照射面積に制限はあるものの,従来作出不可能であった多様な光環境を高い再現性を担保しながら作出できることから,光生物学研究の発展に貢献しうるものである。

Research Products

• [Journal Article] An LED-artificial sunlight source system available for light effects research in flower science (2007)
  • Author(s): Fujiwara, K., T. Sawada, S. Goda, Y. Ando, A. Yano
  • Journal Title: Acta Hortic 755 Pages: 373-380
  • Peer Reviewed
• [Journal Article] An LED-artificial sunligh tsource system available for light effects research in flower scienc (2007)
  • Author(s): Fujiwara, K., T.Sawada, S.Goda, Y.Ando, Y.Yano
  • Journal Title: Acta Horticulturae 755 Pages: 373-380
  • Peer Reviewed
• [Journal Article] Design and development of an LED-artificial sunlight source system prototype capable of controlling relative spectral power distribution (2006)
  • Author(s): Fujiwara, K., T. Sawada
  • Journal Title: J.Light & Visual Environ 30(3) Pages: 170-176
  • NAID: 110006148626
  • Peer Reviewed
• [Journal Article] Design and development of an LED-artificial sunlight source system prototype capable of controlling relative spectral power distribution. (2006)
  • Author(s): Fujiwara, K., T. Sawada
  • Journal Title: Journal of Light ＆ Visual Environment 30・3 Pages: 170-176
  • NAID: 110006148626
• [Presentation] Controllable Spectrum Portable Lighting System using LEDs with 32 Different Peak Wavele (2009)
  • Author(s): 谷野章, 富士原和宏
  • Organizer: 6th International Symposium on Light in Horticulture
  • Place of Presentation: 茨城県つくば市 つくば国際会議場
  • Year and Date: 2009-11-18
• [Presentation] Fourth Prototype of an LED-Artificial Sunlight Source System Capable of Controlling Spectral Power Distribution (2009)
  • Author(s): 富士原和宏, 麻田鷹司, 澤多俊成, 谷野章
  • Organizer: 6th International Symposium on Light in Horticulture
  • Place of Presentation: 茨城県つくば市 つくば国際会議場
  • Year and Date: 2009-11-17
• [Presentation] 分光分布制御型LED擬似太陽光光源システムの開発-第4号試作機とその性能- (2009)
  • Author(s): 麻田鷹司, 富士原和宏, 澤多俊成, 谷野章
  • Organizer: 日本農業気象学会2009年全国大会
  • Place of Presentation: 福島県郡山市 郡山市民交流プラザ
  • Year and Date: 2009-03-27
• [Presentation] Fourth Prototype of an LED- Artificial Sunlight Source System Capable of Controlling Spectral Power Distribution (2009)
  • Author(s): Fujiwara, K., T. Asada, T. Sawada, A. Yano
  • Organizer: 6th International Symposium on Light in Horticulture
  • Place of Presentation: Tsukuba ; Oral
• [Presentation] Controllable Spectrum Portable Lighting System using LEDs with 32 Different Peak Wavelengths (2009)
  • Author(s): Yano, A., K. Fujiwara
  • Organizer: 6th International Symposium on Light in Horticulture
  • Place of Presentation: Tsukuba ; Poster
• [Presentation] 分光分布制御型LED擬似太陽光光源システムのLEDモジュール発熱対策 (2008)
  • Author(s): 谷野章, 延安春樹, 加藤遼平, 富士原和宏
  • Organizer: 日本生物環境工学学会2008年大会
  • Place of Presentation: 愛媛県松山市 愛媛大学城北キャンパス
  • Year and Date: 2008-09-10
• [Presentation] 分光分布制御型のLED擬似太陽光光源システムの開発-第3号試作機とその改良- (2008)
  • Author(s): 富士原 和宏・澤多 俊成・合田 秀太郎・安藤 優・谷野 章
  • Organizer: 日本農業気象学会2007年度全国大会
  • Place of Presentation: 海峡メッセ下関,山口県
  • Year and Date: 2008-03-21
• [Presentation] An LED-artificial sunlight source system available for light effects research in flower scienc (2007)
  • Author(s): Fujiwara, K., T. Sawada, S. Goda, Y. Ando, Y. Yano
  • Organizer: International Conference on Quality Management in SupplyChains of Orna
  • Place of Presentation: Radison Hotel, Bangkok, Thailand
  • Year and Date: 2007-12-03
• [Presentation] An LED-artificial sunlight source system available for light effects research in flower science (2007)
  • Author(s): Fujiwara, K., T. Sawada, S. Goda, Y. Ando, A. Yano
  • Organizer: International symposium on quality management in supply chains of ornamentals
  • Place of Presentation: Bangkok, Thailand ; Oral
• [Presentation] Development of an LED-artificial sunlight source system capable of controlling relative spectral power distribution (2006)
  • Author(s): Fujiwara, K., T. Sawada
  • Organizer: 27th International Horticultural Congress & Exhibition
  • Place of Presentation: Seoul, Korea ; Oral
• [Book] 光生物学研究に利用可能な分光分布制御型LED擬似太陽光光源システム(アグリフォトニクス) (2008)
  • Author(s): 富士原和宏, 分担執筆
  • Publisher: シーエムシー出版