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高橋 向星
Address
305-0044 茨城県つくば市並木1-1 [アクセス]
  • 論文・発表

[研究論文] |[書籍] |[会議録] |[口頭発表] |[特許]

研究論文 TSV

2018
  1. Jumpei Ueda, Setsuhisa Tanabe, Kohsei Takahashi, Takashi Takeda, Naoto Hirosaki. Thermal Quenching Mechanism of CaAlSiN3:Eu2+ Red Phosphor. Bulletin of the Chemical Society of Japan. 91 [2] (2018) 173-177 10.1246/bcsj.20170307
2017
  1. Benjamin Dierre, Karine Costuas, Noée Dumait, Serge Paofai, Maria Amela-Cortes, Yann Molard, Fabien Grasset, Yujin Cho, Kohsei Takahashi, Naoki Ohashi, Tetsuo Uchikoshi, Stéphane Cordier. Mo6 cluster-based compounds for energy conversion applications: comparative study of photoluminescence and cathodoluminescence. Science and Technology of Advanced Materials. 18 [1] (2017) 458-466 10.1080/14686996.2017.1338496
  2. Chun-Yun Wang, Takashi Takeda, Otmar Melvin ten Kate, Masataka Tansho, Kenzo Deguchi, Kohsei Takahashi, Rong-Jun Xie, Tadashi Shimizu, Naoto Hirosaki. Ce-Doped La3Si6.5Al1.5N9.5O5.5, a Rare Highly Efficient Blue-Emitting Phosphor at Short Wavelength toward High Color Rendering White LED Application. ACS Applied Materials & Interfaces. 9 [27] (2017) 22665-22675 10.1021/acsami.7b03909
  3. Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, Masamichi Harada, Kohsei Takahashi, Hiroyo Segawa, Rong-Jun Xie, Naoto Hirosaki. Optical properties of green-emitting β-sialon:Eu phosphor-containing silica glasses and their deterioration mechanism. Japanese Journal of Applied Physics. 56 [6] (2017) 060302 10.7567/jjap.56.060302
  4. Le Wang, Xiao-Jun Wang, Kohsei Takahashi, Takashi Takeda, Naoto Hirosaki, Rong-Jun Xie. Nitride phosphors as robust emissive materials in white flat field emission lamps. Optical Materials Express. 7 [6] (2017) 1934 10.1364/ome.7.001934
  5. Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, Kohsei Takahashi, Rong-Jun Xie, Naoto Hirosaki, Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, TAKAHASHI, Kohsei, XIE, Rong-Jun, HIROSAKI, Naoto. Achieving superwide-color-gamut display by using narrow-band green-emitting γ-AlON:Mn,Mg phosphor. Japanese Journal of Applied Physics. 56 [4] (2017) 041701
  6. Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, Kohsei Takahashi, Rong-Jun Xie, Naoto Hirosaki. Achieving superwide-color-gamut display by using narrow-band green-emitting γ-AlON:Mn,Mg phosphor. Japanese Journal of Applied Physics. 56 [4] (2017) 041701 10.7567/jjap.56.041701
2016
  1. Yujin Cho, Benjamin Dierre, Takashi Sekiguchi, Takayuki Suehiro, Kohsei Takahashi, Takashi Takeda, Rong-Jun Xie, Yoshinobu Yamamoto, Naoto Hirosaki. Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors. Journal of Visualized Experiments. [117] (2016) 10.3791/54249
  2. Chun-Yun Wang, Takashi Takeda, Otmar Melvin ten Kate, Rong-Jun Xie, Kohsei Takahashi, Naoto Hirosaki. Synthesis and photoluminescence properties of a phase pure green-emitting Eu doped JEM sialon (LaSi6−zAl1+zN10−zOz, z ∼ 1) phosphor with a large red-shift of emission and unusual thermal quenching behavior. Journal of Materials Chemistry C. 4 [43] (2016) 10358-10366 10.1039/c6tc02229d
  3. Kenichi Yoshimura, Hiroshi Fukunaga, Makoto Izumi, Masatsugu Masuda, Toyonori Uemura, Kohsei Takahashi, Rong-Jun Xie, Naoto Hirosaki. White LEDs using the sharp β-sialon: Eu phosphor and Mn-doped red phosphor for wide-color gamut display applications. Journal of the Society for Information Display. 24 [7] (2016) 449-453 10.1002/jsid.462
  4. Kenichi Yoshimura, Kazunori Annen, Hiroshi Fukunaga, Masamichi Harada, Makoto Izumi, Kohsei Takahashi, Tetsuo Uchikoshi, Rong-Jun Xie, Naoto Hirosaki. Optical properties of solid-state laser lighting devices using SiAlON phosphor–glass composite films as wavelength converters. Japanese Journal of Applied Physics. 55 [4] (2016) 042102 10.7567/jjap.55.042102
  5. Thai Giang Truong, Benjamin Dierre, Fabien Grasset, Noriko Saito, Norio Saito, Thi Kim Ngan Nguyen, Kohsei Takahashi, Tetsuo Uchikoshi, Marian Amela-Cortes, Yann Molard, Stéphane Cordier, Naoki Ohashi. Visible tunable lighting system based on polymer composites embedding ZnO and metallic clusters: from colloids to thin films. Science and Technology of Advanced Materials. 17 [1] (2016) 443-453 10.1080/14686996.2016.1202724
  6. Yujin Cho, Benjamin Dierre, Naoki Fukata, Naoto Hirosaki, Kazuhiro Marumoto, Donghyun Son, Kohsei Takahashi, Takashi Takeda, Takashi Sekiguchi. Defects and luminescence control of AlN ceramic by Si-doping. Scripta Materialia. 110 (2016) 109-112 10.1016/j.scriptamat.2015.08.013
2012
  1. Kohsei Takahashi, Ken-ichi Yoshimura, Masamichi Harada, Yoshitaka Tomomura, Takashi Takeda, Rong-Jun Xie, Naoto Hirosaki. On the origin of fine structure in the photoluminescence spectra of the β-sialon:Eu2+green phosphor. Science and Technology of Advanced Materials. 13 [1] (2012) 015004 10.1088/1468-6996/13/1/015004

書籍 TSV

会議録 TSV

口頭発表 TSV

2015
  1. CHO, Yujin, DIERRE, Benjamin, TAKAHASHI, Kohsei, TAKEDA, Takashi, FUKATA, Naoki, HIROSAKI, Naoto, SEKIGUCHI, Takashi. Improvement of luminescence properties and particle growth of AlN phosphors by Si-doping. ECS 228th Meeting. 2015
  2. CHO, Yujin, TANG, Daiming, DIERRE, Benjamin, TAKAHASHI, Kohsei, HIROSAKI, Naoto, SEKIGUCHI, Takashi. TEM and CL analysis of Si-doped AlN powders. The 76th JSAP Autumn meeting. 2015
  3. CHO, Yujin, DIERRE, Benjamin, TAKAHASHI, Kohsei, FUKATA, Naoki, TAKEDA, Takashi, HIROSAKI, Naoto, SEKIGUCHI, Takashi. What about doping Si into AlN powder?. Joint Symposium on Electronic Materials 2015 (JSEM2015). 2015
  4. CHO, Yujin, TAKAHASHI, Kohsei, DIERRE, Benjamin, TAKEDA, Takashi, HIROSAKI, Naoto, SEKIGUCHI, Takashi. A comparison between GPS and HIP methods for Si-doped AlN powders synthesis. Phosphor safari 2015. 2015
  5. CHO, Yujin, DIERRE, Benjamin, TAKAHASHI, Kohsei, FUKATA, Naoki, HIROSAKI, Naoto, SEKIGUCHI, Takashi. Enhancement of particle growth and luminescence of AlN by Si-doping. INC11. 2015
  6. CHO, Yujin, TAKAHASHI, Kohsei, DIERRE, Benjamin, XIE, Rong-Jun, HIROSAKI, Naoto, SEKIGUCHI, Takashi. Microscopic approach for optimizing the growth conditions of LaAl(Si6-zAlz)(N10-zOz)(z~1):Ce3+ blue phosphor . The 62nd JSAP spring meeting. 2015
  7. TAKAHASHI, Kohsei, CHO, Yujin, TAKEDA, Takashi, FUNAHASHI, Shiro, XIE, Rong-Jun, SEKIGUCHI, Takashi, HIROSAKI, Naoto, TAKAHASHI Kohsei. 粉末合成したA3B8X12型新緑色窒化物蛍光体のカソードルミネッセンス観察. 2015年 第62回応用物理学会春季学術講演会. 2015
2006
  1. XIE, Rong-Jun, HIROSAKI, Naoto, SAKUMA, KEN, TAKAHASHI, Kohsei, MITOMO, MAMORU. 黄緑色サイアロン蛍光体の合成と評価. 第19回秋季シンポジウム. 2006
  2. TAKAHASHI, Kohsei, HIROSAKI, Naoto, YAMAMOTO, Yoshinobu, XIE, Rong-Jun, HaradaMasamichi, YoshimuraKenichi, TomomuraYoshitaka. 酸窒化物青色蛍光体の発光特性と白色発光ダイオードへの応用(2). 第53回応用物理学関連連合講演会. 2006
  3. XIE, Rong-Jun, HIROSAKI, Naoto, MITOMO, MAMORU, TAKAHASHI, Kohsei, SAKUMA, KEN. 短波長黄色サイアロン蛍光体の蛍光特性と白色発光ダイオードへの応用. 2006年春季 第53回学関係連合講演会. 2006
  4. XIE, Rong-Jun, HIROSAKI, Naoto, MITOMO, MAMORU, TAKAHASHI, Kohsei, SAKUMA, KEN. Synthesis and optical properties of greenish yellow α-SiAlON:Eu2+ phosphors. 15th International Conference on Ternary and Multinary Compounds. 2006
2005
  1. TAKAHASHI, Kohsei, HIROSAKI, Naoto, YAMAMOTO, Yoshinobu, XIE, Rong-Jun, 原田昌道, YOSHIMURA, Kenichi, 種田元隆. 酸窒化物青色蛍光体の発光特性と白色発光ダイオードへの応用. 2005年秋季第65回応用物理学会学術講演会. 2005

特許 TSV

登録特許
  1. 特許第6489543号 波長変換部材、発光装置、および波長変換部材の製造方法 (2019)
公開特許
  1. 特開2011140665号 蛍光体 (2011)
  2. 特開2011140664号 蛍光体の製造方法 (2011)
  3. 特開2009188274号 発光装置およびその製造方法 (2009)
  4. 特開2009010315号 蛍光体の製造方法、発光装置および画像表示装置 (2009)
  5. 特開2008303331号 蛍光体、発光装置および画像表示装置 (2008)
  6. 特開2007332217号 酸窒化物蛍光体および発光装置 (2007)
  7. 特開2007326914号 酸窒化物蛍光体および発光装置 (2007)
  8. 特開2007204730号 蛍光体及び発光装置 (2007)
  9. 特開2007070445号 発光装置 (2007)
  10. 特開2006232868号 酸窒化物蛍光体および半導体発光装置 (2006)
外国特許

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