KR850006246A - Electron gun for cathode ray tube - Google Patents

Electron gun for cathode ray tube Download PDF

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Publication number
KR850006246A
KR850006246A KR1019840008580A KR840008580A KR850006246A KR 850006246 A KR850006246 A KR 850006246A KR 1019840008580 A KR1019840008580 A KR 1019840008580A KR 840008580 A KR840008580 A KR 840008580A KR 850006246 A KR850006246 A KR 850006246A
Authority
KR
South Korea
Prior art keywords
hole
electron
cathode ray
main lens
lens portion
Prior art date
Application number
KR1019840008580A
Other languages
Korean (ko)
Other versions
KR890002362B1 (en
Inventor
시게오 다께나까 (외 1)
Original Assignee
사바 쇼오이찌
가부시끼 가이샤 도시바
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 사바 쇼오이찌, 가부시끼 가이샤 도시바 filed Critical 사바 쇼오이찌
Publication of KR850006246A publication Critical patent/KR850006246A/en
Application granted granted Critical
Publication of KR890002362B1 publication Critical patent/KR890002362B1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4858—Aperture shape as viewed along beam axis parallelogram
    • H01J2229/4865—Aperture shape as viewed along beam axis parallelogram rectangle
    • H01J2229/4868—Aperture shape as viewed along beam axis parallelogram rectangle with rounded end or ends
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4872—Aperture shape as viewed along beam axis circular
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4875—Aperture shape as viewed along beam axis oval
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4879—Aperture shape as viewed along beam axis non-symmetric about field scanning axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4896—Aperture shape as viewed along beam axis complex and not provided for
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/96—Circuit elements other than coils, reactors or the like, associated with the tube
    • H01J2229/966—Circuit elements other than coils, reactors or the like, associated with the tube associated with the gun structure

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

내용 없음No content

Description

음극선관용 전자총Electron gun for cathode ray tube

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도 본 발명의 한 실시예를 나타낸 것으로 칼라 수상용(受像用) 전자총의 측단면도.1 is a side cross-sectional view showing an embodiment of the present invention, wherein a color water gun.

제2(a)도 및 제2(b)도는 제1도의 Y-Z축 및 X-Z축 단면도.2 (a) and 2 (b) are cross-sectional views of the Y-Z and X-Z axes of FIG.

제3(a)도, 제3(b)도 및 제4도는 본 발명을 설명하기 위한 등전위선(等電位線) 분포도로서 제3(a)도 및 제3(b)도는 제2(a)도 및 제2(b)도에 각각 대응하는 단면도.3 (a), 3 (b) and 4 are equipotential line distribution diagrams for explaining the present invention, and FIGS. 3 (a) and 3 (b) are second (a). Sectional drawing corresponding to FIG. And 2 (b), respectively.

제4도 동축 원통 렌즈의 단면도.4 is a cross-sectional view of a coaxial cylindrical lens.

제5도 제4도에 있어서의 축상전위 분포도.The axial potential distribution diagram in FIG. 5 and FIG.

제6(a)도 및 제6(b)도는 제1도의 실시예에서 사용되고 있는 전극의 사시도.6 (a) and 6 (b) are perspective views of the electrode used in the embodiment of FIG.

제7(a)도 제7(b)도 및 제8(a)도 제8(b)도는 본 발명의 다른 실시예를 나타낸 것으로 제7(a)도 및 제8(a)도, 제7(b)도 및 제8(b)도는 각각 Y-Z축, X-Z축에서의 단면도.7 (a) and 7 (b) and 8 (a) and 8 (b) show another embodiment of the present invention. FIGS. 7 (a) and 8 (a) and 7th (b) and FIG. 8 (b) are sectional drawing in YZ-axis and XZ-axis, respectively.

제9도 저항체의 일부를 나타낸 단면도.9 is a cross-sectional view showing a part of the resistor.

제10도 제9도의 저항체를 사용했을때의 본 발명의 실시예.An embodiment of the present invention when using the resistor of FIG. 10 and FIG.

제11도 제10도의 전기적 구성도.11 is an electrical diagram of FIG.

제12도 제10도에 대응하는 다른 실시예.Another embodiment corresponding to FIG. 12. FIG.

제13도 제14(a)도, 제14(b)도, 제14(c)도는 본 발명의 다른 실시예를 나타낸 측단면도이다.13 (a), 14 (b) and 14 (c) are side cross-sectional views showing another embodiment of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 전자총 2 : 절연지지체1: electron gun 2: insulation support

3a, 3b, 3c : 전자비임 13 : 제3그리드(grid)3a, 3b, 3c: electron beam 13: third grid

14 : 제4그리드 15 : 수렴전극14 fourth grid 15 converging electrode

16 : 보조전극 54 : 저항체16: auxiliary electrode 54: resistor

Claims (5)

적어도 전자 비임 발생부와 이 전자 비임을 소정의 타겟트 위에 집속시키는 주 렌즈 부분으로 구성된 음극선관용 전자총에 있어서, 전술한 주 렌즈 부분이 각각 전자 비임 통과구멍을 가진 적어도 대향하는 두개의 전극과 적어도 일부분이 이것들의 전극사이에 위치하며 이것들의 전극이 가진 전자 비임 통과구멍보다 큰 구멍을 가진 적어도 한개의 보조전극을 구비하며, 전술한 대향하는 두 개의 전극에는 상대적으로 저위의 전위와 상대적으로 고위의 전위가 인가되어 전술한 보조 전극에는 상대적으로 중위의 전위가 인가된 전극군으로 구성하는 것을 특징으로 하는 음극선관용 전자총.A cathode ray tube electron gun comprising at least an electron beam generating portion and a main lens portion for focusing the electron beam on a predetermined target, wherein the above-mentioned main lens portion is at least two opposite electrodes and at least a portion each having an electron beam passing hole; And having at least one auxiliary electrode positioned between these electrodes and having a larger hole than the electron beam passing hole of the electrodes. The two opposite electrodes described above have a relatively low potential and a relatively high potential. An electron gun for a cathode ray tube, characterized in that the auxiliary electrode is applied to the electrode group to which a relatively medium potential is applied. 제1항에 있어서, 전술한 적어도 한개의 보조전극에 인가되는 상대적으로 중위의 전위는 상기의 주 렌즈 부분에 인가되는 상대적으로 고위의 전위 부터 전술한 주 렌즈 부분의 근방에 배치된 저항체에의 해서 분할된 저항 분할 전위인 것을 특징으로 하는 음극선관용 전자총.2. A resistor according to claim 1, wherein the relatively middle potential applied to the at least one auxiliary electrode described above is caused by a resistor disposed in the vicinity of the above main lens portion from the relatively high potential applied to the main lens portion. An electron gun for cathode ray tubes, characterized in that divided resistance divided potential. 제1항에 있어서, 전술한 주 렌즈 부분에 배치된 대향하는 적어도 두개의 전극의 각각의 대향면에는 여러개의 전자 비임을 통과시키기 위해서 전자 비임에 대응한 여러개의 구멍을 가지며, 전술한 보조전극의 구멍은 이것들 여러개의 구멍을 충분히 포함하는 한개의 구멍이라는 것을 특징으로 하는 음극선관용 전자총.The method of claim 1, wherein each of the opposing surfaces of the at least two opposing electrodes disposed on the main lens portion has a plurality of holes corresponding to the electron beams for passing a plurality of electron beams. A hole is an electron gun for cathode ray tubes, characterized in that one hole includes a sufficient number of these holes. 제1항에 있어서, 전술한 주 렌즈 부분에 배치된 대향하는 적어도 두개의 전극의 각각의 대향면에는 여러개의 전자 비임을 통과시키기 위해서 전자 비임에 대응한 여러개의 구멍을 가지며, 전술한 보조전극의 구멍은 이들 여러개의 구멍을 충분히 포함하는 구멍이며, 적어도 하나의 전술한 보조전극의 구멍의 전자 비임 입사(入射)쪽과, 출사(出射)쪽의 적어도 한방향의 구멍지름이 다르다는 것을 특징으로 하는 음극선관용 전자총.The method of claim 1, wherein each of the opposing surfaces of the at least two opposing electrodes disposed on the main lens portion has a plurality of holes corresponding to the electron beams for passing a plurality of electron beams. The hole is a hole containing a sufficient number of these holes, the cathode ray characterized in that the hole diameter in at least one direction of the electron beam incidence side and the outgoing side of the at least one auxiliary electrode hole is different. Tolerance gun. 제1항에 있어서, 전술한 주 렌즈 부분에1배치된 대향하는 적어도 두개의 전극의 각각의 대향면에는 여러개의 전자 비임을 통과시키기 위해서 전자 비임에 대응한 여러개의 구멍이 있으며 전술한 보조전극의 구멍은 이들 여러개의 구멍을 충분히 포함하는 구멍이며, 적어도 하나의 전술한 보조전극의 구멍의 전자 비임 입사쪽과 출사쪽의 구멍의 형상이 다르다는 것을 특징으로 하는 음극선관용 전자총.The method according to claim 1, wherein each of the opposing surfaces of the at least two opposing electrodes disposed on the main lens portion described above has a plurality of holes corresponding to the electron beams for passing a plurality of electron beams. A hole is a hole including a sufficient number of these holes, and the electron gun for a cathode ray tube, characterized in that the shape of the hole on the electron beam entrance side and the exit side of the hole of the at least one auxiliary electrode is different. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840008580A 1984-02-20 1984-12-31 Electron gun KR890002362B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP28612 1984-02-20
JP59028612A JPS60175343A (en) 1984-02-20 1984-02-20 Electron gun for cathode-ray tube
JP59-28612 1984-02-20

Publications (2)

Publication Number Publication Date
KR850006246A true KR850006246A (en) 1985-10-02
KR890002362B1 KR890002362B1 (en) 1989-07-01

Family

ID=12253387

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840008580A KR890002362B1 (en) 1984-02-20 1984-12-31 Electron gun

Country Status (2)

Country Link
JP (1) JPS60175343A (en)
KR (1) KR890002362B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100418546B1 (en) * 2000-08-24 2004-02-11 가부시끼가이샤 도시바 Cathode ray tube apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100418546B1 (en) * 2000-08-24 2004-02-11 가부시끼가이샤 도시바 Cathode ray tube apparatus

Also Published As

Publication number Publication date
JPH0552020B2 (en) 1993-08-04
JPS60175343A (en) 1985-09-09
KR890002362B1 (en) 1989-07-01

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