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    CATHODE-RAY TUBE
    31.
    发明公开
    CATHODE-RAY TUBE 有权
    KATHODENSTRAHLRÖHRE

    公开(公告)号：EP1233439A4

    公开(公告)日：2006-08-02

    申请号：EP01947979

    申请日：2001-07-11

    申请人： MATSUSHITA ELECTRIC IND CO LTD

    发明人： MATSUO KEIJI ,  MORIMOTO HIROJI ,  HAYASHI AKIRA

    IPC分类号： H01J29/62 ,  H01J29/70 ,  H01J29/76

    CPC分类号： H01J29/707 ,  H01J29/628 ,  H01J29/705 ,  H01J2229/4806 ,  H01J2229/5687

    摘要： A cathode-ray tube comprising an electron gun (4) disposed in the neck portion (3) of a funnel (2), a deflection yoke (5) having a horizontal deflection coil (51) and a vertical deflection coil (52) mounted on the outer surface of the funnel (2) in a position closer to the front panel than the electron gun (4), and a speed modulation coil (6) mounted on the outer surface of the neck portion (3). The speed modulation coil (6) is so disposed that the end part thereof on the front panel side is closer to the electron gun (4) than the end part of the horizontal deflection coil (51) facing the electron gun (4) and closer to the front panel side the end part of the electron gun (4) facing the front panel. A desired speed modulation effect can be attained because the speed modulation magnetic field (28) of the speed modulation coil (6) does not interfere withe the deflection magnetic field and can be prevented from disappearing by causing by causing an eddy current in a top unit (27).

    摘要翻译： 一种阴极射线管，它包括设置在漏斗（2）颈部（3）中的电子枪（4），安装有水平偏转线圈（51）和垂直偏转线圈（52）的偏转线圈（5） 在比电子枪（4）更靠近前面板的位置处的漏斗（2）的外表面上，以及安装在颈部（3）的外表面上的调速线圈（6）。 速度调制线圈（6）配置成其前端侧的端部比水平偏转线圈（51）的电子枪（4）侧的端部更接近电子枪（4），更靠近电子枪 将面对前面板的电子枪（4）的端部连接到前面板侧。 由于速度调制线圈（6）的速度调制磁场（28）不与偏转磁场干涉，并且可以通过在顶部单元中引起涡流而引起消失，所以可以获得期望的速度调制效果 （27）。

    Electron gun for cathode-ray tube and color cathode-ray tube equipped with the same
    32.
    发明公开
    Electron gun for cathode-ray tube and color cathode-ray tube equipped with the same 审中-公开
    电子枪的彩色阴极射线管，并配备了相同的彩色阴极射线管

    公开(公告)号：EP1632978A1

    公开(公告)日：2006-03-08

    申请号：EP05253982.2

    申请日：2005-06-27

    申请人： Matsushita Toshiba Picture Display Co., Ltd.

    发明人： Ishihara, Tomonari

    IPC分类号： H01J29/48 ,  H01J29/50 ,  H01J29/58 ,  H01J29/62

    CPC分类号： H01J29/488 ,  H01J2229/4848 ,  H01J2229/4865 ,  H01J2229/4872

    摘要： An electron gun (6) for use in a cathode-ray tube (10) that can reduce a spot dimension of an electron beam (7) when the electron beam (7) is in a high current range and that can suppress moire when the electron beam (7) is in a low current range, and a color cathode-ray tube (10) equipped with the foregoing electron gun (6), are provided. In the case where a current of the electron beam (7) is in a low current range, a maximum converging effect exerted on an outermost part in the vertical direction of the electron beam (7), in the vicinity of the third electrode (14) side of electron beam passage apertures (15), is weaker than a maximum converging effect exerted on an outermost part in the horizontal direction of the electron beam (7). In the case where a current of the electron beam (7) is in a high current range, in the electron beam passage apertures (17) of the second electrode (13) and in a space between the second electrode (13) and the third electrode (14), a maximum converging effect exerted on the outermost part in the horizontal direction of the electron beam (7) is substantially equal to a maximum converging effect exerted on the outermost part in the vertical direction of the electron beam (7).

    摘要翻译： 一种用于在阴极射线管中使用的电子枪（6）（10）确实能够减少电子束的光点尺寸（7）当电子束（7）是在高电流范围内，也可以抑制波纹当 电子束（7）是在低电流范围内，并提供配备有前述的电子枪（6）的彩色阴极射线管（10）。 另外，在电子束（7）的电流处于低电流范围内，在第三电极14附近的电子束（7）的竖直方向施加在（在最外部的最大会聚效果的情况下 电子束通过孔径（15）的）侧比在电子束7）的水平方向上施加（在最外部的最大会聚作用弱。 另外，在电子束（7）的电流是在高电流范围内，在所述第二电极（13）的电子束通过孔径（17）的情况下和在所述第二电极（13）和第三之间的空间 电极（14），施加在所述电子束（7）的水平方向上的最外部分的最大会聚作用大致等于在所述电子束（7）的竖直方向施加在最外部的最大会聚作用。

    ELECTRON GUN AND DISPLAY DEVICE PROVIDED WITH AN ELECTRON GUN
    34.
    发明公开
    ELECTRON GUN AND DISPLAY DEVICE PROVIDED WITH AN ELECTRON GUN 审中-公开
    电子枪用电子枪显示装置

    公开(公告)号：EP1145270A2

    公开(公告)日：2001-10-17

    申请号：EP99964552.6

    申请日：1999-12-09

    申请人： Koninklijke Philips Electronics N.V.

    发明人： AARNINK, Wilhelmus, A., M.

    IPC分类号： H01J29/62 ,  H01J29/48

    CPC分类号： H01J29/62 ,  H01J29/503 ,  H01J2229/4844

    摘要： It is possible to reduce the stray emission in an electron gun comprising a main lens system with one or more intermediate electrodes (42, 43, 44), between the focus electrode (41) and the anode electrode (45). If at least one of the apertures of the main lens system following the focus electrode has apertures which are smaller than those of the focus electrode, a reduction of stray emission is realized. The optimal stray emission situation can be found by designing all the apertures of the main lens system. In order to manufacture an electron gun according to the invention, it is advantageous to have an outside reference system for gun mounting, because it will no longer be possible to center the electrodes on pins through the apertures.

    Focusing electrode in electron gun for color cathode ray tube
    35.
    发明公开
    Focusing electrode in electron gun for color cathode ray tube 失效
    Fokussierelektrode在einer ElektronenkanonefüreineFarbkathodenstrahlröhre

    公开(公告)号：EP0837487A2

    公开(公告)日：1998-04-22

    申请号：EP97302287.4

    申请日：1997-04-03

    申请人： LG ELECTRONICS INC.

    发明人： Kim, Hyun Cheol ,  Kim, Won Hyun ,  An, Sung Gi ,  Yoon, Hi Won ,  Cho, Sung Ho

    IPC分类号： H01J29/62

    CPC分类号： H01J29/503 ,  H01J29/628

    摘要： Focusing electrode in an electron gun for a color cathode ray tube, which can provides a higher freedom in an electron gun design and reduce an error occurred during assembly of the electron gun, the focusing electrode including a first focusing electrode for being applied of a constant voltage, the first focusing electrode having vertically elongated electron beam pass-through holes formed therein, and a second focusing electrode for being applied of a dynamic voltage, the second focusing electrode having electron beam pass-through holes each with a pair of burring parts formed on upper and lower edges thereof for being disposed in each of the vertically elongated electron beam pass-through holes in the first focusing electrode, whereby the pair of burring parts can be disposed in each of the vertically eleongated electron beam pass-through holes in the first focusing electrode without change of a horizontal diameter of the electron beam pass-through holes in the first focusing electrode.

    摘要翻译： 用于彩色阴极射线管的电子枪中的聚焦电极，其可以在电子枪设计中提供更高的自由度并减少组装电子枪期间发生的误差，聚焦电极包括用于施加的第一聚焦电极（1） 所述第一聚焦电极具有形成在其中的垂直伸长的电子束通孔（3C，3S）和用于施加动态电压的第二聚焦电极（2），所述第二聚焦电极具有电子束通过 （4C，4S），每个具有形成在其上边缘和下边缘上的一对翻边部分（7C，7S），用于设置在第一聚焦电极中的每个垂直伸长的电子束通孔中，由此， 可以在第一聚焦电极中的每个垂直伸长的电子束通过孔中设置一对毛边部分，而不改变电子束穿透筒的水平直径 在第一聚焦电极中。

    Dynamic off-axis defocusing correction for deflection lens crt
    40.
    发明公开
    Dynamic off-axis defocusing correction for deflection lens crt 失效
    动态外轴Defokusierungskorrektion Deflexionslinse用于阴极射线管。

    公开(公告)号：EP0641010A3

    公开(公告)日：1996-02-07

    申请号：EP94306236.4

    申请日：1994-08-24

    申请人： Chunghwa Picture Tubes, Ltd.

    发明人： Chen, Hsing-Yao

    IPC分类号： H01J29/50 ,  H01J29/62 ,  H01J29/48

    CPC分类号： H01J29/488 ,  H01J29/628

    摘要： An electron gun for use in a cathode ray tube (CRT) includes a cathode, a low voltage beam forming region (BFR), and a high voltage deflection focus lens disposed in the beam deflection region of the CRT's magnetic deflection yoke for simultaneous and coincident focusing and deflection of the electron beam on the CRT's display screen. The deflection lens includes a plurality of first focus grids disposed in the CRT's neck portion including a spaced first pair of grids each having respective beam passing apertures, with one of the beam passing apertures horizontally offset and the other beam passing aperture vertically offset from the electron beam axis. Other grids disposed on opposed sides of each of the first pair of grids have respective beam passing apertures centered with respect to the electron beam axis and are maintained at a fixed focus voltage. A dynamic focus correction voltage which varies with electron beam deflection is applied to each of the first pair of grids for compensating for asymmetric off-axis electron beam defocusing at all points on the CRT's faceplate. This dynamic off-axis defocusing correction is equally applicable in a single beam, monochromatic deflection lens CRT as well as in a multi-beam, color deflection lens CRT.