KR960015680A - Electron gun for colored cathode ray tube - Google Patents

Abstract

The present invention discloses an electron gun for a color cathode ray tube.

The present invention relates to a cathode for a color cathode ray tube comprising a cathode, a control electrode, and a screen electrode forming an anterior tripolar portion, and a plurality of electrodes forming an auxiliary and main lens portion, wherein the electrode forming the main lens portion comprises a rim electrode member; It is characterized in that it is provided in the rim electrode member in the traveling direction of the electron beam and has an insulating member for partitioning the inside of the rim electrode member into passages through which the three electron beams pass, and the electron beam emitted from the electron gun is precisely fluorescent point. Has the advantage of landing on

Description

Electron gun for colored cathode ray tube

As this is a public information case, the full text was not included.

1 is a cross-sectional view of the electron gun for the color cathode ray tube according to the present invention,

2 is a perspective view showing an extract of the focus electrode and the final acceleration electrode shown in FIG.

Claims (6)

In an electron gun for a color cathode ray tube comprising a cathode, a control electrode and a screen electrode, and a plurality of electrodes forming an auxiliary and a main lens part, the electrodes constituting the main lens part are the rim electrode member and the rim electrode member. An electron gun for a color cathode ray tube, characterized in that it is provided in the traveling direction of the electron beam and has an insulating member for partitioning the inside of the rim electrode member into passages through which three electron beams pass. The electron gun for a color cathode ray tube according to claim 1, wherein an insulating member provided inside the ring electrode member is inserted at a predetermined depth from an end of the ring electrode member. The electron gun for a color cathode ray tube according to claim 1, wherein a central portion of the ring electrode member partitioned by the insulating member is formed lower than both sides. A cathode, a control electrode, and a screen electrode forming the transposition triode, a first rim electrode member disposed adjacent to the screen electrode, and a first rim electrode member disposed in the direction of travel of the electron beam, the first rim electrode member A focus electrode composed of a first insulating member partitioning the interior into passages through which three electron beams pass, a second rim electrode member provided to be spaced apart from the focus electrode, and a direction of the electron beam inside the second rim electrode member An electron gun for a color cathode ray tube, characterized in that it comprises a final accelerating electrode composed of a second insulating member provided in the passage of the three electron beams through the inside of the second rim electrode member. 5. The electron gun for color cathode ray tubes according to claim 4, wherein an insulating member provided inside the first and second rim electrode members is inserted a predetermined depth from an end of the rim electrode member. The electron gun for a color cathode ray tube according to claim 4, wherein a central portion of the first and second rim electrode members partitioned by the insulating member is formed lower than both sides. ※ Note: The disclosure is based on the initial application.