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    • 7. 发明公开
    • Image display device
    • 图像显示设备
    • EP0459496A2
    • 1991-12-04
    • EP91108889.6
    • 1991-05-31
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Hashiguchi, JumpeiHamada, KiyoshiNonomura, KinzoMurai, RyuichiKitao, Satoshi
    • H01J31/12
    • H01J31/125
    • An image display device includes comb-shaped horizontal deflection electrodes (20 and 20a) disposed interleavingly in a first plane with a space therebetween for forming electron beam passages and comb-shaped vertical deflection electrodes (21 and 21a) disposed interleavingly in a second plane adjacent and parallel to the first plane. The capacitance between the horizontal deflection electrode (20) confronting with vertical deflection electrodes (21 and 21a) and the capacitance between the horizontal deflection electrode (20a) confronting with vertical deflection electrode (21 and 21a) are made equal to each other. Also, the capacitance of vertical deflection electrode (21) confronting with horizontal deflection electrodes (20 and 20a) and the capacitance of vertical deflection electrode (21a) confronting with horizontal deflection electrodes (20 and 20a) are made equal to each other, whereby the voltage effect induced by the other deflection electrode can be canceled by each other and a good quality image can be obtained.
    • 一种图象显示装置包括梳形水平偏转电极(20和20a),它交错地设置在第一平面中,其间有一个空间用于形成电子束通道,梳状垂直偏转电极(21和21a)交错地设置在相邻的第二平面 并平行于第一架飞机。 面对垂直偏转电极(21和21a)的水平偏转电极(20)与面对垂直偏转电极(21和21a)的水平偏转电极(20a)之间的电容彼此相等。 而且,使面对水平偏转电极(20和20a)的垂直偏转电极(21)的电容和面对水平偏转电极(20和20a)的垂直偏转电极(21a)的电容彼此相等,由此 由另一个偏转电极引起的电压效应可以彼此抵消并且可以获得良好质量的图像。