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    Color picture tube
    2.
    发明公开
    Color picture tube 失效
    彩色显像管

    公开(公告)号：EP0756305A3

    公开(公告)日：1997-06-04

    申请号：EP96111644.9

    申请日：1996-07-18

    申请人： KABUSHIKI KAISHA TOSHIBA

    发明人： Itou, Takeo, c/o Int. Prop. Div., K.K. Toshiba ,  Matsuda, Hidemi, c/o Int. Prop. Div., K.K. Toshiba ,  Tanaka, Hajime, c/o Int. Prop. Div., K.K. Toshiba ,  Nakazawa, Tomoko, Int. Prop. Div., K.K. Toshiba ,  Oyaizu, Tsuyoshi, Int. Prop. Div., K.K. Toshiba

    IPC分类号： H01J29/18 ,  H01J29/32

    CPC分类号： H01J29/185 ,  H01J29/322 ,  H01J2229/8916

    摘要： A color picture tube is disclosed, that comprises an outer sheath having an electron gun, the outer sheath being airtightly sealed, a face plate having light transmissivity and disposed on the front surface of the outer sheath, and a large number of red, blue, and green pixels regularly arranged inside the face plate, wherein the pixels have a fluorescent substance layer and a color filter, the fluorescent substance layer being lit by a radiation of an electron beam, the color filter being disposed between the fluorescent substance layer and the face palate, and wherein green pixels have a chromaticity that is plotted in the fourth quadrant of a coordinate system of a (L*a*b*) color system where a* is the horizontal axis and *b is the vertical axis when light of a standard light source C is reflected on the outside of the face plate.

    摘要翻译： 本发明公开了一种彩色显像管，其包括具有电子枪的外护套，外护套被气密密封，具有透光性并设置在外护套的前表面上的面板以及大量红色，蓝色， 以及在所述面板内规则排列的绿色像素，其中所述像素具有荧光物质层和滤色器，所述荧光物质层通过电子束的辐射而被点亮，所述滤色器设置在所述荧光物质层和所述面 并且其中绿色像素具有被绘制在（L * a * b *）彩色系统的坐标系的第四象限中的色度，其中a *是水平轴并且* b是垂直轴， 标准光源C在面板的外侧反射。