KR890008891A - Electron gun for color cathode ray tube - Google Patents

Electron gun for color cathode ray tube Download PDF

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Publication number
KR890008891A
KR890008891A KR870013553A KR870013553A KR890008891A KR 890008891 A KR890008891 A KR 890008891A KR 870013553 A KR870013553 A KR 870013553A KR 870013553 A KR870013553 A KR 870013553A KR 890008891 A KR890008891 A KR 890008891A
Authority
KR
South Korea
Prior art keywords
holes
focusing electrode
electron gun
electrode
cathode ray
Prior art date
Application number
KR870013553A
Other languages
Korean (ko)
Other versions
KR900002903B1 (en
Inventor
권수근
Original Assignee
최근선
주식회사 금성사
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.)
Filing date
Publication date
Application filed by 최근선, 주식회사 금성사 filed Critical 최근선
Priority to KR1019870013553A priority Critical patent/KR900002903B1/en
Publication of KR890008891A publication Critical patent/KR890008891A/en
Application granted granted Critical
Publication of KR900002903B1 publication Critical patent/KR900002903B1/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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • 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

Landscapes

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

Abstract

내용 없음No content

Description

칼라음극선관용 전자총Electron gun for color cathode ray tube

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

제8도는 본 발명 전자총의 사시도.8 is a perspective view of the electron gun of the present invention.

제9도는 제 8 도의 접속전극 전자빔 통공현상을 보인 설명도로서, (a)는 제1집속전극의 전자빔 통과공, (b)는 제2접속전극의 전자빔 통과공.9 is an explanatory view showing the electron beam through phenomenon of the connection electrode of FIG. 8, (a) is an electron beam through hole of the first focusing electrode, and (b) is an electron beam through hole of the second connection electrode.

제10도는 R,B 4극전계렌즈효과를 보인 개략도로서, (a)는 제1집속전극과 제2집속전극의 통공부 개략도, (b)는 4극전계렌즈효과(수직발산)를 보인 설명도, (c)는 4극전계렌즈효과(수평발산)을 보인 설명도.10 is a schematic view showing the R, B four-pole field lens effect, (a) is a schematic diagram of the through hole of the first focusing electrode and the second focusing electrode, and (b) shows the four-pole field lens effect (vertical divergence). Fig. (C) is an explanatory diagram showing the four-pole field lens effect (horizontal divergence).

제 11도는 G 전자빔의 4극전계렌즈효과를 보인 개략도로서, (a)는 제1집속전극과 제2집속전극의 통공부 개략도, (b)는 4극전계렌즈효과(수직발산)를 보인 설명도, (c)는 4극전계렌즈효과(수평발산)을 보인 설명도.FIG. 11 is a schematic view showing a four-pole field lens effect of a G electron beam, (a) is a schematic view of a through hole of a first focusing electrode and a second focusing electrode, and (b) shows a four-pole field lens effect (vertical divergence). Fig. (C) is an explanatory diagram showing the four-pole field lens effect (horizontal divergence).

Claims (1)

음극의 전방에 제어전극(71), 가속전극(72), 제1집속전극(23), 제2집속전극(74) 및 최종가속전극(75)이 순차적으로 설치되고, 이들 전극의 각각에 전자빔 통과를 위한 세개의 통공이 인라인으로 천공된 전자총에 있어서, 제2집속전극(74)을 향한 제1집속전극(73)의 단면상에 3개의 직사각형 통공(73R,73G,73B)을 형성시킴에 있어 중앙통공(73G)의 가로와 세로의 길이가 외측 두 통공(73R)(73B)의 가로 및 세로의 길이보다 크게 형성시키고, 제1집속전극(73)을 향한 제2집속전극(74)의 단면상에 3개의 직사각형 통공(74R,74G,74B)을 형성시킴에 있어 중앙통공(74G)의 가로 및 세로의 길이가 외측 두 통공(74R)(74B)의 가로 및 세로의 길이보다 크게 형성시켜 구성됨을 특징으로 하는 칼라음극선관용 전자총.In front of the cathode, a control electrode 71, an acceleration electrode 72, a first focusing electrode 23, a second focusing electrode 74 and a final accelerative electrode 75 are sequentially provided, and an electron beam is provided on each of these electrodes. In an electron gun in which three through holes for passage are inline, three rectangular through holes 73R, 73G, and 73B are formed on the cross section of the first focusing electrode 73 facing the second focusing electrode 74. The horizontal and vertical lengths of the central through hole 73G are larger than the horizontal and vertical lengths of the outer two through holes 73R and 73B, and the cross-sectional view of the second focusing electrode 74 toward the first focusing electrode 73 is provided. In forming three rectangular through holes 74R, 74G and 74B, the horizontal and vertical lengths of the central through holes 74G are made larger than the horizontal and vertical lengths of the outer two through holes 74R and 74B. An electron gun for color cathode ray tubes. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870013553A 1987-11-30 1987-11-30 Electron gun for color cathode ray tube KR900002903B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870013553A KR900002903B1 (en) 1987-11-30 1987-11-30 Electron gun for color cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870013553A KR900002903B1 (en) 1987-11-30 1987-11-30 Electron gun for color cathode ray tube

Publications (2)

Publication Number Publication Date
KR890008891A true KR890008891A (en) 1989-07-13
KR900002903B1 KR900002903B1 (en) 1990-05-03

Family

ID=19266456

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870013553A KR900002903B1 (en) 1987-11-30 1987-11-30 Electron gun for color cathode ray tube

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KR (1) KR900002903B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100338343B1 (en) * 1999-08-25 2002-05-27 가네꼬 히사시 In-line type electron gun and color cathode-ray tube with the same
KR100384673B1 (en) * 1999-10-08 2003-05-22 히다찌 일렉트로닉 디바이시즈 가부시끼가이샤 Color Cathode Ray Tube Having In-line Type Electron Gun

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100338343B1 (en) * 1999-08-25 2002-05-27 가네꼬 히사시 In-line type electron gun and color cathode-ray tube with the same
KR100384673B1 (en) * 1999-10-08 2003-05-22 히다찌 일렉트로닉 디바이시즈 가부시끼가이샤 Color Cathode Ray Tube Having In-line Type Electron Gun

Also Published As

Publication number Publication date
KR900002903B1 (en) 1990-05-03

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