Kunihiro Izuno
Nichia
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Publication
Featured researches published by Kunihiro Izuno.
Japanese Journal of Applied Physics | 2003
Motokazu Yamada; Takahiro Naitou; Kunihiro Izuno; Hiroto Tamaki; Yoshinori Murazaki; Masatoshi Kameshima; Takashi Mukai
We fabricated a high-color-rendering, red-enhanced white-light-emitting diode (LED) using a new red phosphor and a short-wavelength YAG phosphor. When the new white-LED was operated at a forward-bias current of 20 mA at room temperature (RT), color temperature (Tcp), the general color rendering index (Ra) and luminous efficiency were 4670 K, 87.7 and 25.5 lm/W, respectively. Most of the color-rendering indexes (CRIs) of the new white-LED were larger than those of current white-LEDs, in which only YAG is used. In particular, the CRI-No.9 value, which shows the color reproduction in the red region, is improved from -2.5 to 62.6.
Archive | 2003
Kunihiro Izuno; Kouki Matsumoto; Shin-ichi Nagahama; Masahiko Sano; Tomoya Yanamoto; Keiji Sakamoto
Japanese Journal of Applied Physics | 2002
Yukio Narukawa; Isamu Niki; Kunihiro Izuno; Motokazu Yamada; Yoshinori Murazaki; Takashi Mukai
Archive | 2006
Shinsuke Sofue; Hiroto Tamaki; Kunihiro Izuno
Archive | 2004
Hiroto Tamaki; Shinsuke Sofue; Kunihiro Izuno; Junji Takeichi
Archive | 2001
Yoshifumi Nagai; Yuichi Fujiwara; Kunihiro Izuno
Archive | 1996
Yuichi Fujiwara; Kunihiro Izuno; Kunihiro Nagamine; Isato Takeuchi; 邦浩 永峰; 訓宏 泉野; 勇人 竹内; 勇一 藤原
Archive | 2002
Kunihiro Izuno; Kouki Matsumoto; Shin-ichi Nagahama; Masahiko Sano; Tomoya Yanamoto; Keiji Sakamoto
Archive | 1995
Seiji Fujie; Kunihiro Izuno; Yasuo Kanbara; Yoshifumi Nagai; Isato Takeuchi; 芳文 永井; 訓宏 泉野; 康雄 神原; 勇人 竹内; 誠二 藤江
Archive | 2003
Kunihiro Izuno; Takahiro Naito; Shinsuke Sofue; Kenji Urushibara; 隆宏 内藤; 訓宏 泉野; 健二 漆原; 慎介 祖父江
