公开(公告)号：US06373178B1

公开(公告)日：2002-04-16

申请号：US09481702

申请日：2000-01-12

申请人： Sung Ho Cho ,  Hyun Cheol Kim ,  Won Hyun Kim ,  Gill Young Jung ,  Ki Bog Son ,  Tae Kyu Kim ,  Dong Young Kim

发明人： Sung Ho Cho ,  Hyun Cheol Kim ,  Won Hyun Kim ,  Gill Young Jung ,  Ki Bog Son ,  Tae Kyu Kim ,  Dong Young Kim

IPC分类号： H01J2980

CPC分类号： H01J29/503

摘要： Electron gun for a color CRT having main lens forming electrodes wherein a depth from a rim portion of an anode to an electrostatic field control electrode is deeper than the depth from the rim portion of a cathode to the electrostatic field control electrode, and a DQ lens action of a center beam portion formed by the DQ lens unit being weaker than the DQ lens action of an outer electron beam portion, whereby reducing a spot diameter by enlarging a main lens diameter and correcting inconsistency between a center beam and an outer beam in the DQ lens.

摘要翻译： 具有主透镜形成电极的彩色CRT的电子枪，其中从阳极的边缘部分到静电场控制电极的深度比从阴极的边缘部分到静电场控制电极的深度更深，以及DQ透镜 由DQ透镜单元形成的中心光束部分的作用比外部电子束部分的DQ透镜作用更弱，从而通过放大主透镜直径并校正中心光束和外光束之间的不一致来减小光点直径 DQ镜头。

公开(公告)号：US6051920A

公开(公告)日：2000-04-18

申请号：US28993

申请日：1998-02-25

申请人： Hyun Cheol Kim ,  Ki Bog Son

发明人： Hyun Cheol Kim ,  Ki Bog Son

IPC分类号： H01J29/62 ,  H01J29/50

CPC分类号： H01J29/628

摘要： A focusing electrode in an electron gun for a color cathode ray tube comprises: a first focusing electrode including one end with vertical plate electrodes projected toward cathodes in three vertically elongated electron beam through holes, and an inner electrode having three electron beam through holes disposed therein, adapted to be applied of a static voltage; and a second focusing electrode including horizontal plate electrodes respectively formed at upper and lower sides of three electron beam through holes inserted into the vertically elongated electron beam through holes in the first focussing electrode, adapted to be applied of a dynamic voltage synchronous to a deflection of the electron beams, wherein a dynamic quadrupole lens is formed among the vertical plate electrodes, the horizontal plate electrodes, and the inner electrode when applying the dynamic voltage to the second focusing electrode, and the intensity of the dynamic quadrupole lens can be controlled by controlling the depth of the inner electrode which is mounted 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包括：第一聚焦电极，其包括一端，在三个垂直伸长的电子束通孔中朝向阴极突出的垂直板电极，以及设置在其中的三个电子束通孔的内部电极 适于施加静电压; 以及第二聚焦电极，其包括分别形成在插入到第一聚焦电极中的垂直伸长的电子束通过孔中的三个电子束通孔的上侧和下侧的水平平板电极，适于施加与第一聚焦电极的偏转同步的动态电压 电子束，其中当向第二聚焦电极施加动态电压时，在垂直板电极，水平板电极和内部电极之间形成动态四极透镜，并且可以通过控制来控制动态四极透镜的强度 安装在第一聚焦电极中的内部电极的深度。