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    • 68. 发明授权
    • Image display apparatus having phosphors arranged in a checkerboard
pattern and its driving method
    • 具有以棋盘图案布置的荧光体的图像显示装置及其驱动方法
    • US5949393A
    • 1999-09-07
    • US814080
    • 1997-03-10
    • Kunihiro SakaiHidetoshi Suzuki
    • Kunihiro SakaiHidetoshi Suzuki
    • H01J31/12G09G3/20G09G3/22H01J29/32H04N9/12
    • G09G3/22H01J31/127G09G2300/0452G09G2310/0297H01J2201/3165H01J2329/0489H01J2329/30
    • In an image display apparatus which has a multi-electron beam source in which a plurality of electron emission elements are connected in a matrix pattern using a plurality of data electrodes and a plurality of scanning electrodes, and a fluorescent screen having phosphors of three primary colors R, G, and B corresponding to the electron emission elements, natural white color emission is obtained while suppressing a decrease in G luminance, using, e.g., a checkerboard layout which has a G spatial resolution higher than the R or B spatial resolution and includes more G phosphors than the R or B phosphors. For this purpose, the scanning electrodes connected to the electron emission elements corresponding to the G phosphors are electrically independent from those connected to the electron emission elements corresponding to the R or B phosphors, signal components corresponding to the G phosphors and signal components corresponding to the R or B phosphors are extracted from an image signal for a 1-line period, and the scanning electrode connected to the electron emission elements corresponding to the G phosphors and those connected to the electron emission elements corresponding to the R or B phosphors are selected during successively the 1-line period.
    • 在具有多个电子发射元件的多电子束源的图像显示装置中,多个电子发射元件使用多个数据电极和多个扫描电极以矩阵图案连接,并且具有三原色荧光体的荧光屏 对应于电子发射元件的R,G和B,使用例如具有高于R或B空间分辨率的G空间分辨率的棋盘布局来抑制G亮度的降低而获得自然白色发射,并且包括 比R或B荧光体更多的G荧光体。 为此,连接到与G荧光体相对应的电子发射元件的扫描电极与连接到与R或B荧光体相对应的电子发射元件的扫描电极电独立,对应于G荧光体的信号分量和对应于 从图像信号中提取R或B荧光体为1行周期,并且连接到与G荧光体对应的电子发射元件的扫描电极以及连接到与R或B荧光体相对应的电子发射元件的扫描电极在 连续1个行期。