KR920017164A - Provided Color Cathode Ray Tube Devices of Focusing Grid Electrodes with Rectangular Electron Beam Holes - Google Patents

Provided Color Cathode Ray Tube Devices of Focusing Grid Electrodes with Rectangular Electron Beam Holes Download PDF

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Publication number
KR920017164A
KR920017164A KR1019920002170A KR920002170A KR920017164A KR 920017164 A KR920017164 A KR 920017164A KR 1019920002170 A KR1019920002170 A KR 1019920002170A KR 920002170 A KR920002170 A KR 920002170A KR 920017164 A KR920017164 A KR 920017164A
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KR
South Korea
Prior art keywords
electrode
electron beam
grid
focusing
grid electrode
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KR1019920002170A
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Korean (ko)
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KR0126460B1 (en
Inventor
고지 다까기
Original Assignee
원본미기재
니뽄 덴끼 가부시끼가이샤
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Publication of KR920017164A publication Critical patent/KR920017164A/en
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Publication of KR0126460B1 publication Critical patent/KR0126460B1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/50Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube

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  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

내용 없음No content

Description

장방형 전지 비임 홀을 갖는 포커싱 그리드 전극의 제공된 칼라 음극선관 장치Provided Color Cathode Ray Tube Devices of Focusing Grid Electrodes with Rectangular Cell Beam Holes

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제4도는 본 발명에 따른 제1양호한 실시예의 장방형 전자비임 홀을 갖는 포커싱 그리드 전극이 제공된 칼라 CRT 장치를 도시한 개략적인 횡단면도, 제5도는 제1양호한 실시예에서 제1내지 제3그리드 전극을 포함하는 포커싱 전극 시스템을 도시한 개략적인 투시도, 제6도는 제5도의 제1및 제3그리드 전극에 인가된 등적 전압의 실시예를 도시한 설명도. 제7도는 제1양호한 실시예에서 칼라 CRT 장치에 형성된 사중극 렌즈(quadrupolelens)를 도시한 설명도.FIG. 4 is a schematic cross-sectional view showing a color CRT apparatus provided with a focusing grid electrode having a rectangular electron beam hole of the first preferred embodiment according to the present invention, and FIG. 5 shows the first to third grid electrodes in the first preferred embodiment. A schematic perspective view showing a focusing electrode system comprising; FIG. 6 is an explanatory diagram showing an embodiment of an equivalent voltage applied to the first and third grid electrodes of FIG. FIG. 7 is an explanatory diagram showing quadrupolelens formed in the color CRT apparatus in the first preferred embodiment; FIG.

Claims (4)

수평 방향으로 공통 평면내에 배치되어, 그 수평 방향과 직교측을 따라 전자 비임을 방출하는 캐소드, 상기 축상에 각각 배치된 제어 전극, 가속 전극, 포커싱 전극 및 애노드와, 상기 포커싱 전극에 인가될 전압을 제어하는 수단을 구비하고, 장방향 전자 비임 홀을 갖는 포커싱 그리드 전극이 제공된 칼라 CRT 장치에 있어서, 상기 포커싱 전극은 제1 내지 제3 그리드 전극을 포함하는데, 상기 제1및 제3 그리드 전극에는 수평으로 배치된 장방형 전자 비임 홀이 제공되고, 상기 제2그리드 전극에는 수직으로 배치된 장방형 전자 비임 홀이 제공되며, 상기 제어수단은 상기 제2그리드 전극에 일정한 포커싱 전압을 인가하고, 상기 제1및 제3그리드 전극에 동적 전압을 인가하며, 상기 동적 전압은 전자 비임을 편향시키기 위한 전류와 동기로 증가 혹은, 감소되는 것을 특징으로 하는 칼라 CRT장치.A cathode disposed in a common plane in a horizontal direction and emitting an electron beam along the horizontal direction and the orthogonal side thereof, a control electrode disposed on the axis, an acceleration electrode, a focusing electrode and an anode, and a voltage to be applied to the focusing electrode A color CRT apparatus having means for controlling and provided with a focusing grid electrode having a longitudinal electron beam hole, said focusing electrode comprising first to third grid electrodes, wherein said first and third grid electrodes are horizontal to said first and third grid electrodes. A rectangular electron beam hole arranged in the second grid electrode is provided, and a rectangular electron beam hole arranged in the vertical direction is provided, and the control means applies a constant focusing voltage to the second grid electrode, Applying a dynamic voltage to the third grid electrode, the dynamic voltage increases or decreases in synchronization with the current to deflect the electron beam. Color CRT apparatus according to claim. 제1항에 있어서, 상기 제1그리드 전극은, 상기 제2그리드 전극에 접한 측평면상에 상기 장방형 전자 비임홀이 제공되고, 상기 가속 전극에 접한 측평면상에 원형 전자 비임 홀이 제공된 박스 형태의 구조로 되어 있고, 상기 제2그리드 전극은 플레이트로 되어 있으며, 상기 제3그리드 전극은, 상기 제2그리드 전극에 접한 측평면상에 상기 장방형 전자 비임 홀이 제공되고, 상기 제3그리드 전극의 상기 측평면에 병렬로 되도록 원형 전자 비임홀을 갖는 부가 플레이트가 제공된 박스 형태의 구조로 되어 있는 것을 특징으로 하는 칼라 CRT장치.According to claim 1, wherein the first grid electrode, the rectangular electron beam hole is provided on the side plane in contact with the second grid electrode, the circular electron beam hole is provided on the side plane in contact with the acceleration electrode Wherein the second grid electrode is a plate, and the third grid electrode is provided with the rectangular electron beam hole on a side plane in contact with the second grid electrode, and of the third grid electrode. And a box-shaped structure provided with an additional plate having a circular electron beam hole to be parallel to the side plane. 제3항에 있어서, 상기 제1 내지 제3그리드 전극을 포함하는 상기 포커싱 전극과 상기 가속 전극사이에 두부가 포커싱 전극을 더 포함하는데, 상기 두부가 포커싱 전극중 한 전극은 박스 형태의 구조로 되어 상기 가속 전극의 측면상에 배치되고, 상기 두 부가 포커싱 전극중 다른 전극을 플레이트로 되어 있는 것을 특징으로 하는 칼라 CRT장치.According to claim 3, wherein the head portion between the focusing electrode including the first to third grid electrode and the acceleration electrode further comprises a focusing electrode, one of the head portion of the focusing electrode has a box-like structure The color CRT apparatus is arranged on the side of the acceleration electrode, and the other of the two additional focusing electrodes is a plate. 제1항에 있어서, 상기 제어 수단은 상기 제1과 제2 그리드 전극 사이와, 상기 제2와 제3그리드 전극사이에 비회전 대칭렌즈를 각각 형성하여, 상기 비회전 렌즈의 조합 결과로서 사중극 렌즈를 제공하는 것을 특징으로 하는 칼라 CRT장치.The non-rotating symmetric lens according to claim 1, wherein said control means respectively forms a non-rotational symmetric lens between said first and second grid electrodes and between said second and third grid electrodes, and is a quadrupole as a result of combining said non-rotational lenses. Color CRT apparatus characterized by providing a lens. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920002170A 1991-02-15 1992-02-14 Color cathode-ray tube apparatus provided with focusing grid electrodes having oblong electron beam hole KR0126460B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3021894A JPH04262344A (en) 1991-02-15 1991-02-15 Electron gun for in-line type color image-receiving tube
JP91-21894 1991-02-15
JP91-021894 1991-02-15

Publications (2)

Publication Number Publication Date
KR920017164A true KR920017164A (en) 1992-09-26
KR0126460B1 KR0126460B1 (en) 1997-12-18

Family

ID=12067817

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920002170A KR0126460B1 (en) 1991-02-15 1992-02-14 Color cathode-ray tube apparatus provided with focusing grid electrodes having oblong electron beam hole

Country Status (2)

Country Link
JP (1) JPH04262344A (en)
KR (1) KR0126460B1 (en)

Also Published As

Publication number Publication date
KR0126460B1 (en) 1997-12-18
JPH04262344A (en) 1992-09-17

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