Electron guns for color picture tube
    2.
    发明授权
    Electron guns for color picture tube 失效
    电子枪用于彩色显像管

    公开(公告)号:US5736812A

    公开(公告)日:1998-04-07

    申请号:US890283

    申请日:1997-07-09

    CPC classification number: H01J29/503 H01J2229/4841

    Abstract: Electron guns for color picture tube capable of strengthening the refracting action of electrostatic prisms and of overcoming possible distortion of three electron beams at about the periphery of a screen due to strong nonuniform magnetic field are disclosed. The electron guns has variable asymmetric electrostatic lenses, which lenses include first and second focusing electrodes, a first electrostatic deflection electrode mounted to the first focusing electrode, a second electrostatic deflection electrode mounted to the second focusing electrode, and an accelerating electrode placed in front of the second focusing electrode. In another embodiment, the variable asymmetric electrostatic lenses of the electron guns includes electrostatic deflection means placed between the first and second focusing electrodes.

    Abstract translation: 公开了能够加强静电棱镜的折射作用并且克服由于强非均匀磁场而在屏幕周围的三个电子束的可能变形的彩色显象管的电子枪。 电子枪具有可变的非对称静电透镜,这些透镜包括第一和第二聚焦电极,安装到第一聚焦电极的第一静电偏转电极,安装到第二聚焦电极的第二静电偏转电极和放置在第二聚焦电极前面的加速电极 第二聚焦电极。 在另一实施例中,电子枪的可变非对称静电透镜包括放置在第一和第二聚焦电极之间的静电偏转装置。

    In-line type electron gun in cathode ray tube
    3.
    发明授权
    In-line type electron gun in cathode ray tube 失效
    阴极射线管中的直列式电子枪

    公开(公告)号:US06583548B2

    公开(公告)日:2003-06-24

    申请号:US09840236

    申请日:2001-04-24

    CPC classification number: H01J29/503 H01J2229/4879

    Abstract: In-line type electron gun in a color cathode ray tube including a pre-focusing lens part having at least two electrodes for focusing electron beams, a main lens part having two, or more than two electrodes for focusing the electron beams onto a screen, and at least one electrostatic field controlling electrode in the electrodes of the main lens part having a center electron beam pass through hole and two outer electron beam pass through holes, wherein each of the outer electron beam pass through holes has a form a circular hole and a rectangular hole are combined therein, the rectangular hole having a height ‘V2’ greater than a vertical diameter ‘V1’ of the center beam pass through hole of the electrostatic field controlling electrode, thereby permitting an excellent focusing and improving assembly work.

    Abstract translation: 包括具有至少两个用于聚焦电子束的电极的预聚焦透镜部分的彩色阴极射线管中的直列式电子枪,具有两个或多于两个用于将电子束聚焦到屏幕上的电极的主透镜部分, 以及主透镜部分的电极中的至少一个静电场控制电极,其具有中心电子束通过孔和两个外部电子束通过孔,其中每个外部电子束通过孔形成圆形孔, 在其中组合有矩形孔,矩形孔的高度“V2”大于静电场控制电极的中心束通过孔的垂直直径“V1”,从而可以实现优异的聚焦和改善组装工作。

    Electron gun for cathode ray tube
    4.
    发明授权
    Electron gun for cathode ray tube 失效
    阴极射线管用电子枪

    公开(公告)号:US06771015B2

    公开(公告)日:2004-08-03

    申请号:US10134732

    申请日:2002-04-30

    Applicant: Soo Keun Lee

    Inventor: Soo Keun Lee

    CPC classification number: H01J29/485

    Abstract: Disclosed is an electron gun for a cathode ray tube capable of improving substantial resolution by improving the alignment of a triode portion. The electron gun includes a triode portion composed of at least one cathode for emitting electron beams, and a first electrode and a second electrode for controlling emission amount of the electron beams, a focus electrode and an anode electrode forming a prime lens for focusing the electron beams on a screen, and at least two guide holes housed in more than two electrodes for use of assembly besides electron beam passage holes, in which at least one guide hole is circular and at least one of the other guide holes is non-circular.

    Abstract translation: 公开了一种用于阴极射线管的电子枪,其能够通过改善三极管部分的取向来改善实质分辨率。 电子枪包括由用于发射电子束的至少一个阴极组成的三极管部分,以及用于控制电子束发射量的第一电极和第二电极,形成用于聚焦电子的主透镜的聚焦电极和阳极电极 以及至少两个引导孔,其容纳在除电子束通过孔之外的用于组装的多于两个电极中,其中至少一个引导孔是圆形的,并且至少一个其它引导孔是非圆形的。

    Electron gun of a color picture tube for preventing astigmation
    5.
    发明授权
    Electron gun of a color picture tube for preventing astigmation 失效
    用于防止散光的彩色显像管的电子枪

    公开(公告)号:US5656884A

    公开(公告)日:1997-08-12

    申请号:US300334

    申请日:1994-09-02

    Applicant: Soo Keun Lee

    Inventor: Soo Keun Lee

    CPC classification number: H01J29/566

    Abstract: An electron gun of a color picture tube which can make uniform beam spots on a screen by eliminating astigmation of electron beams caused by a self-convergence yoke is constructed by the use of the improved shapes of vertical blades or horizontal blades of astigmation correction electrodes. The electron gun includes a three electrode part having a plurality of in line electron beam emitting means for emitting electron beams, and control electrodes and an acceleration electrode for controlling the quantity of emission and forming a crossover of the electron beams, a plurality of focusing electrodes and positive electrodes forming a main electrostatic focusing lens for focusing the electron beam onto a screen, a four polar lens means having projections from forward ends on the four polar lens means positioned between a fixed voltage focusing electrode and a varying voltage focusing electrode, wherein the electron beam emitting means and the plurality of electrodes are in line with the tube axis spaced in a certain interval successively, said fixed voltage focusing electrode beam formed by applying a fixed voltage to at least one of the plurality of the focusing electrodes, and the varying voltage focusing electrode beam formed by applying varying voltage to at least one of the rest of the plurality of focusing electrodes.

    Abstract translation: 通过使用改进的垂直叶片或者像差校正电极的水平叶片的形状来构造可以通过消除由自会聚磁轭引起的电子束的散光而在屏幕上形成均匀束斑的彩色电子管的电子枪。 电子枪包括具有多个用于发射电子束的一行电子束发射装置的三电极部分,以及控制电极和用于控制发射量并形成电子束交叉的加速电极,多个聚焦电极 以及形成用于将电子束聚焦到屏幕上的主静电聚焦透镜的正电极,四极偏振透镜装置,其在位于固定电压聚焦电极和变化电压聚焦电极之间的四个极性透镜装置上的前端具有突起,其中, 电子束发射装置和多个电极依次以一定间隔隔开管轴,所述固定电压聚焦电极束通过向多个聚焦电极中的至少一个施加固定电压而形成, 通过对至少一个电压施加变化的电压而形成的电压聚焦电极光束 多个聚焦电极中的其余部分。

Patent Agency Ranking