EP0440234A3 - Electron gun structure for color picture tubes - Google Patents

Electron gun structure for color picture tubes Download PDF

Info

Publication number
EP0440234A3
EP0440234A3 EP19910101302 EP91101302A EP0440234A3 EP 0440234 A3 EP0440234 A3 EP 0440234A3 EP 19910101302 EP19910101302 EP 19910101302 EP 91101302 A EP91101302 A EP 91101302A EP 0440234 A3 EP0440234 A3 EP 0440234A3
Authority
EP
European Patent Office
Prior art keywords
electron gun
color picture
gun structure
picture tubes
tubes
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP19910101302
Other versions
EP0440234A2 (en
Inventor
Kyungnam Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung SDI Co Ltd
Original Assignee
Samsung Electron Devices Co Ltd
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 Samsung Electron Devices Co Ltd filed Critical Samsung Electron Devices Co Ltd
Publication of EP0440234A2 publication Critical patent/EP0440234A2/en
Publication of EP0440234A3 publication Critical patent/EP0440234A3/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • 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
    • 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
    • H01J2229/4834—Electrical arrangements coupled to electrodes, e.g. potentials
    • H01J2229/4837—Electrical arrangements coupled to electrodes, e.g. potentials characterised by the potentials applied
    • H01J2229/4841—Dynamic potentials
    • 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
EP19910101302 1990-01-31 1991-01-31 Electron gun structure for color picture tubes Withdrawn EP0440234A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2019900001123U KR920005828Y1 (en) 1990-01-31 1990-01-31 Electron gun structure of color crt
KR112390U 1990-01-31

Publications (2)

Publication Number Publication Date
EP0440234A2 EP0440234A2 (en) 1991-08-07
EP0440234A3 true EP0440234A3 (en) 1992-01-15

Family

ID=19295659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910101302 Withdrawn EP0440234A3 (en) 1990-01-31 1991-01-31 Electron gun structure for color picture tubes

Country Status (3)

Country Link
EP (1) EP0440234A3 (en)
JP (1) JPH0466753U (en)
KR (1) KR920005828Y1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287038A (en) * 1992-05-14 1994-02-15 Litton Systems, Inc. High resolution electron gun
KR950004399B1 (en) * 1992-12-17 1995-04-28 삼성전관주식회사 Dynamic focus electron gun
US5412277A (en) * 1993-08-25 1995-05-02 Chunghwa Picture Tubes, Ltd. Dynamic off-axis defocusing correction for deflection lens CRT
KR970001591B1 (en) * 1993-11-30 1997-02-11 오리온전기 주식회사 Electron gun for color cathode ray tube

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581560A (en) * 1981-12-16 1986-04-08 Hitachi, Ltd. Electron gun for color picture tube
JPS61107636A (en) * 1984-10-31 1986-05-26 Toshiba Corp Electron gun
DE3614700A1 (en) * 1985-04-30 1986-11-06 Hitachi, Ltd., Tokio/Tokyo CATHODE RAY TUBE
EP0265683A1 (en) * 1986-09-29 1988-05-04 Rca Licensing Corporation Colour display system and cathode ray tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5566839A (en) * 1978-11-14 1980-05-20 Toshiba Corp Electron gun
JPS6199249A (en) * 1984-10-18 1986-05-17 Matsushita Electronics Corp Picture tube apparatus
JPS61131343A (en) * 1984-11-30 1986-06-19 Hitachi Ltd Electron gun for color picture tube
US4742266A (en) * 1987-07-20 1988-05-03 Rca Corporation Color picture tube having an inline electron gun with an einzel lens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581560A (en) * 1981-12-16 1986-04-08 Hitachi, Ltd. Electron gun for color picture tube
JPS61107636A (en) * 1984-10-31 1986-05-26 Toshiba Corp Electron gun
DE3614700A1 (en) * 1985-04-30 1986-11-06 Hitachi, Ltd., Tokio/Tokyo CATHODE RAY TUBE
EP0265683A1 (en) * 1986-09-29 1988-05-04 Rca Licensing Corporation Colour display system and cathode ray tube

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Electronic Components and Applications, Vol. 9, No. 1, 1989, Eindhoven NL, pages 31-34; J. GERRITSEN et al.: "The Ploygon gun... for a cleaner, sharper electron spot", page 32; figures 2,3. *
PATENT ABSTRACTS OF JAPAN, Vol. 10, No. 289 (E-442)(2345) 2 October 1986; & JP,A,61 107 636 (TOSHIBA CORP.) 26 May 1986, Abstract. *

Also Published As

Publication number Publication date
JPH0466753U (en) 1992-06-12
EP0440234A2 (en) 1991-08-07
KR920005828Y1 (en) 1992-08-22
KR910014663U (en) 1991-08-31

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Effective date: 19950822