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    • 1. 发明专利
    • Red light-emitting phosphor and luminous composition
    • 红色发光磷光体和荧光组合物
    • JP2005060542A
    • 2005-03-10
    • JP2003292844
    • 2003-08-13
    • Kasei Optonix Co Ltd化成オプトニクス株式会社
    • HASE TAKASHIAKIWA TAKESHITSUYUKI GIICHI
    • C09K11/66C09K11/08
    • PROBLEM TO BE SOLVED: To provide a red light-emitting phosphor and a luminous composition which are suitably applicable to a Vacuum Fluorescent Display (VFD), a Field Emission Display (FED) and the like which make no use of a toxic substance such as cadmium and which have the high luminance and little change of the luminance with time under the electron beam excitation by a low accelerating voltage, especially 10 KV or less.
      SOLUTION: This red light-emitting phosphor has a composition expressed by the general formula: (In
      1-x Eu
      x )
      2 O
      3 -nGeO
      2 , wherein n and x are each a number satisfying the condition of 0.9≤n≤2.7 and 0.0001≤x≤0.2, respectively. This luminous composition comprises a blend of this phosphor and an electrically conductive substance.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供适用于不使用有毒物质的真空荧光显示器(VFD),场致发射显示器(FED)等的红色发光荧光体和发光组合物 物质如镉,并且在低加速电压,特别是10KV或更低的电子束激发下具有高的亮度和随时间的亮度随时间的变化。

      解决方案:该红色发光荧光体具有由以下通式表示的组成:(在 1-x x 2 其中n和x分别是满足条件为0.9≤n≤2.7和0.0001≤x≤0.2的数字。 该发光组合物包含该荧光体和导电物质的混合物。 版权所有(C)2005,JPO&NCIPI