KR940004697A - Double Dynamic Focusing Gun for Color Cathode Ray Tubes - Google Patents

Double Dynamic Focusing Gun for Color Cathode Ray Tubes Download PDF

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Publication number
KR940004697A
KR940004697A KR1019920014458A KR920014458A KR940004697A KR 940004697 A KR940004697 A KR 940004697A KR 1019920014458 A KR1019920014458 A KR 1019920014458A KR 920014458 A KR920014458 A KR 920014458A KR 940004697 A KR940004697 A KR 940004697A
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KR
South Korea
Prior art keywords
electron beam
grid
plane
holes
hole
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KR1019920014458A
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Korean (ko)
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KR950001495B1 (en
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김형근
윤능용
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박경팔
삼성전관 주식회사
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Priority to KR1019920014458A priority Critical patent/KR950001495B1/en
Publication of KR940004697A publication Critical patent/KR940004697A/en
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Publication of KR950001495B1 publication Critical patent/KR950001495B1/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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  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

본 발명은 전화면에서 균등한 크기의 전자빔 스포트를 얻기 위한 칼라 음극선관용 더블 다이나믹 포커싱 전자총에 관한 것이다.The present invention relates to a double dynamic focusing electron gun for color cathode ray tubes for obtaining electron beam spots of uniform size in full screen.

본 발명은, 삼극부를 이루는 캐소오드, 제1,2그리이드와, 유니포텐셜 포커스 렌즈를 이루는 제3,4,5그리이드와, 바이포텐셜 포커스 렌즈를 이루는 제5,6그리이드와, 메인 렌즈를 형성하는 제6,7그리이드를 구비한 칼라 음극선관용 더블 다이나믹 전자총에 있어서, 상기 제4그리이드에는 R,G,B연속된 한 개의 횡장형의 완두껍질형 전자빔 통과공이, 상기 제5그리이드의 입사평면에는 세개의 원형의 전자빔 통과공이, 그 출사평면에는 세개의 종장형의 상기 중원사각형 전자빔 통과공이, 그리고 그출사평면에는 세 개의 원형의 중원사각형 전자빔 통과공이, 그리고 상기 제6그리이드의 입사평면에는 R,G,B연속된 한개의 횡장형의 완두껍질형 전자빔 통과공이, 그출사명면에는 세개의 원형의 전자빔 통과공이, 그리고 상기 제7그리이드의 세 개의 원형의 전자빔 통과공이 형성되고, 상기 제3,5그리이드에는 소정의 포커스 전압이, 상기 제4,6그리이드에는 상기 포커스 전압을 기저전압으로 하며 편향 신호에 동기하여 변조되는 다이나믹 포커스 전압이 인가되는 것을 특징으로 한다.The present invention relates to a cathode, a first grid, a second grid, a third, a fourth grid, a fifth grid, and a fifth, six grid, a bipotential focus lens, and a main lens. A double dynamic electron gun for a color cathode ray tube having a sixth and seventh grid, which is formed in the fourth grid, wherein the fourth grid includes one horizontally-penetrated pea shell electron beam through-hole, which is continuous with R, G and B. Three circular electron beam through-holes are formed in the incidence plane of the id, three long-circuit electron beam through-holes are formed in the exit plane, and three circular medium-square electron beam through-holes are shown in the emission plane and the sixth grid. In the plane of incidence of R, G, B, one continuous row-shaped pea-penetrated electron beam through-hole, its exit surface has three circular electron beam through-holes, and the seventh grid has three circular electron-beam through-holes. A hole is formed, and a dynamic focus voltage modulated in synchronization with a deflection signal is applied to the third and fifth grids, and a predetermined focus voltage is applied to the fourth and sixth grids. It is done.

Description

칼라 음극선관용 더블 다이나믹 포커싱 전자총Double Dynamic Focusing Gun for Color Cathode Ray Tubes

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

제3도는 본 발명에 의한 칼라 음극선관용 더블 다이나믹 포커싱 전자총으로서, a도는 그 사시도, b도는 그 전자빔 경로도.3 is a double dynamic focusing electron gun for a color cathode ray tube according to the present invention, where a is a perspective view thereof, and b is an electron beam path diagram thereof.

제4도는 본 발명의 제2실시예로서, a도는 그 사시도, b도는 그 전자빔 경로도.4 is a second embodiment of the present invention, in which a is a perspective view and b is an electron beam path diagram.

제5도는 본 발명의 전자총과 종래 전자총과의 성능 비교 결과표.5 is a table comparing the results of the electron gun of the present invention and the conventional electron gun.

Claims (2)

삼극부를 이루는 캐소오드, 제1그리이드 및 제2그리이드와, 유니포텐셜 포커스 보조 정전 렌즈를 이루는 제3, 4, 5그리이드와, 바이포텐셜 포커스 보조 정전 렌즈를 이루는 제5, 6그리이드와, 상기 제6그리이드와 인접되게 설치되어 메인 렌즈를 형성하는 제7그리이드를 구비하여 된 칼라 음극선관용 더블 다이나믹 전자총에 있어서, 상기 제4그리이드(34)의 전자빔 통과 평면에는 R, G, B연소된 한개의 횡장형의 완두껍질형 전자빔 통과공이 형성되며, 상기 제5그리이드(35)의 전자빔 입사 평면에는 세 개의 원형의 전자빔 통과공이, 그 출사 평면에는 세 개의 종장형의 중원(中圓)사각형 전자빔 통과공이 형성되며, 그리고 상기 제6그리이드(36)의 전자빔 입사 평면에는 R, G, B연속된 한 개의 횡장형의 완두껍질형 전자빔 통과공이, 그 출사 평면에는 세 개의 원형의 전자빔 통과공이 형성되며, 그리고 상기 제7그리이드(37)의 전자빔 입사 평면에는 세 개의 원형의 전자빔 통과공이 형성되고, 이와 아울러 상기 제3, 5그리이드(33)(35)에는 소정의 포커스 전압(Vf)이 인가되고, 상기 제4, 6그리이드(34)(36)에는 상기 포커스 전압(Vf)을 기저전압으로 하며 편향 요우크의 편향 신호에 동기하여 변조되는 다이나믹 포커스 전압(Vd)이 인가되는 것을 특징으로 하는 칼라 음극 선관용 더블 다이나믹 포커싱 전자총.The cathode, the first grid and the second grid forming the tripolar portion, the third, fourth, and fifth grids forming the unipotential focus auxiliary electrostatic lens, and the fifth, sixth grid constituting the bipotential focus auxiliary electrostatic lens; In the double dynamic electron gun for color cathode ray tube provided with a seventh grid is formed adjacent to the sixth grid to form a main lens, the electron beam passing plane of the fourth grid (34) is R, G, B burned one row-shaped pea shell electron beam through-hole is formed, three circular electron beam through-holes are formed in the electron beam incidence plane of the fifth grid 35, and three elongated heavy circles (middle) Iii) A square electron beam through hole is formed, and in the electron beam incidence plane of the sixth grid 36, one horizontal, pea-pea type electron beam through hole successively R, G, and B is formed, and three circular circles are provided in the emission plane. An electron beam through hole is formed, and three circular electron beam through holes are formed in the electron beam incidence plane of the seventh grid 37, and a predetermined focus voltage is formed in the third and fifth grids 33 and 35. (Vf) is applied, and the fourth and sixth grids 34 and 36 have a dynamic focus voltage Vd modulated in synchronization with the deflection signal of the deflection yoke and the focus voltage Vf as a base voltage. A double dynamic focusing electron gun for color cathode ray tubes, characterized in that it is applied. 제1에 있어서, 상기 제4 그리이드(44)의 전자빔 통과 평면에는 R, G, B연속된 한 개의 횡장형의 완두껍질형 전자빔 통과공이 형성되며, 상기 제5그리이드(45)의 전자빔 입사 평면에는 세 개의 종장형의 중원사각형 전자빔 통과공이, 그 출사 평면에는 세 개의 종장형의 중원사각형 전자빔 통과공이 형성되며, 그리고 상기 제6그리이드(46)의 전자빔 입사 평면에는 R, G, B연속된 한 개의 횡장형의 완두껍질형 전자빔 통과공이, 그 출사 평면에는 세 개의 원형의 전자빔 통과공이 형성되며, 그리고 상기 제7그리이드(47)의 전자빔 입사 평면에는 세 개의 원형의 전자빔 통과공이 형성된 것을 특징으로 하는 칼라 음극선관용 더블 다이나믹 포커싱 전자총.The electron beam passing hole of the fourth grid 44 is formed with one horizontally-penetrated pea shell electron beam through-hole formed in succession of R, G, and B, and incident of the electron beam of the fifth grid 45. In the plane, three elongated, medium-square electron beam through holes are formed, and in the emission plane, three elongated, medium-square electron beam through holes are formed, and in the electron beam incident plane of the sixth grid 46, R, G, and B consecutive One horizontal pea-peam-type electron beam through-hole has three circular electron beam through-holes formed at its exit plane, and three circular electron beam through-holes are formed at the electron beam incident plane of the seventh grid 47. A double dynamic focusing gun for color cathode ray tubes. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920014458A 1992-08-12 1992-08-12 Double dynymic focusing electron gun for c-crt KR950001495B1 (en)

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Application Number Priority Date Filing Date Title
KR1019920014458A KR950001495B1 (en) 1992-08-12 1992-08-12 Double dynymic focusing electron gun for c-crt

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KR940004697A true KR940004697A (en) 1994-03-15
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100760778B1 (en) * 2001-09-28 2007-09-21 삼성에스디아이 주식회사 A voltage connection and electric-pole shape of An uni-bi electron-gun with A horizontally-amplifying uni-lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100760778B1 (en) * 2001-09-28 2007-09-21 삼성에스디아이 주식회사 A voltage connection and electric-pole shape of An uni-bi electron-gun with A horizontally-amplifying uni-lens

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