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    • 54. 发明授权
    • Method of forming a fluorescent screen for a color picture tube
    • 形成彩色显像管荧光屏的方法
    • US4324850A
    • 1982-04-13
    • US125694
    • 1980-02-28
    • Yoshifumi TomitaMasahiro NishizawaHiroshi YokomizoHiromitu Nakai
    • Yoshifumi TomitaMasahiro NishizawaHiroshi YokomizoHiromitu Nakai
    • G03F7/28H01J9/227G03C5/00
    • G03F7/28H01J9/2271Y10S430/153
    • In forming a fluorescent screen for a color picture tube having triads of phosphor materials of the three primary colors arranged in a predetermined pattern on the inner surface of a panel, a photosensitive film which exhibits stickiness when exposed to a threshold amount of light is formed on the inner surface of the panel. Locations of the photosensitive film where the three color phosphor materials respectively occupy are exposed to light from a light source through a shadow mask mounted to the panel. The amount of exposure light for a first color phosphor material is the threshold or above and that for second and third phosphor materials is below the threshold. After completion of the light exposures for the first to third color phosphor materials through the shadow mask, the shadow mask is dismounted from the panel and the first color phosphor material is deposited onto the photosensitive film. A first back exposure is then carried out and the second color phosphor material is deposited onto the photosensitive film. Thereafter, a second back exposure is carried out and the third color phosphor material is deposited onto the photosensitive film.
    • 在形成用于在面板的内表面上以预定图案布置的三原色三原色的彩色显像管的荧光屏的情况下,在暴露于阈值量的光时呈现粘性的感光膜形成在 面板的内表面。 三色荧光体分别占据的感光膜的位置通过安装在面板上的荫罩从光源曝光。 第一彩色荧光体材料的曝光量为阈值以上,第二和第三荧光体材料的曝光量低于阈值。 在通过荫罩完成第一至第三种彩色荧光体材料的曝光完成之后,从面板上拆下荫罩,并将第一彩色荧光体材料沉积到感光膜上。 然后进行第一背面曝光,并将第二彩色荧光体材料沉积到感光膜上。 此后,进行第二反向曝光,并将第三彩色荧光体材料沉积到感光膜上。
    • 58. 发明授权
    • Method and apparatus for forming phosphor screen of color picture tubes
    • 用于形成彩色显像管荧光屏的方法和装置
    • US4183637A
    • 1980-01-15
    • US846536
    • 1977-10-28
    • Takehiko UeyamaMasahiro NishizawaEiichi YamazakiIwao Ogura
    • Takehiko UeyamaMasahiro NishizawaEiichi YamazakiIwao Ogura
    • H01J9/227G03B41/00
    • H01J9/2272
    • A method of forming a stripe type phosphor screen on inner surface of a face plate of a color picture tube or CRT through the irradiation with light stripes. A single linear light source is employed in combination with a plurality of juxtaposed prisms between the face plate and the linear light source with the taper angles of the prisms being continuously varied so that a plurality of virtual linear light sources may be observed from any points on the inner surface of the face plate with the distances between mid-points of the virtual linear light sources taking optimum values at respective positions on the inner surface of the face plate. With such arrangement, an improved phosphor screen composed of phosphor stripes of three colors having uniform stripe width can be formed over the whole inner surface of the face plate by using a single linear light source without requiring driving apparatus for moving the light source to different positions.
    • 一种通过光条照射在彩色显像管或CRT的面板的内表面上形成条状荧光屏的方法。 单个线性光源与面板和线性光源之间的多个并列棱镜组合使用,棱镜的锥角连续变化,从而可以从任何点上观察到多个虚拟线性光源 面板的内表面,虚拟线状光源的中点之间的距离在面板的内表面上的各个位置处获得最佳值。 通过这种布置,可以通过使用单个线性光源在面板的整个内表面上形成由三种具有均匀条纹宽度的荧光条构成的改进的荧光屏,而不需要用于将光源移动到不同位置的驱动装置 。