WO1995030999A3 - Display device and cathode ray tube - Google Patents

Display device and cathode ray tube Download PDF

Info

Publication number
WO1995030999A3
WO1995030999A3 PCT/IB1995/000305 IB9500305W WO9530999A3 WO 1995030999 A3 WO1995030999 A3 WO 1995030999A3 IB 9500305 W IB9500305 W IB 9500305W WO 9530999 A3 WO9530999 A3 WO 9530999A3
Authority
WO
WIPO (PCT)
Prior art keywords
ray tube
cathode ray
display device
field
main lens
Prior art date
Application number
PCT/IB1995/000305
Other languages
French (fr)
Other versions
WO1995030999A2 (en
Inventor
Tjerk Gerrit Spanjer
Original Assignee
Philips Electronics Nv
Philips Norden Ab
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 Philips Electronics Nv, Philips Norden Ab filed Critical Philips Electronics Nv
Priority to JP7528810A priority Critical patent/JPH09500488A/en
Priority to EP95915291A priority patent/EP0716771B1/en
Priority to DE69503343T priority patent/DE69503343T2/en
Publication of WO1995030999A2 publication Critical patent/WO1995030999A2/en
Publication of WO1995030999A3 publication Critical patent/WO1995030999A3/en

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
    • 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
    • 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
    • H01J29/626—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields
    • H01J29/628—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields co-operating with or closely associated to an electron gun
    • 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

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Details Of Television Scanning (AREA)

Abstract

A cathode ray tube in which the pre-focusing field, the main lens field, a quadripolar field in the pre-focusing portion of the electron gun and a quadripolar field in the main lens are dynamically varied by means of only one dynamic voltage (V dyn).
PCT/IB1995/000305 1994-05-06 1995-04-27 Display device and cathode ray tube WO1995030999A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7528810A JPH09500488A (en) 1994-05-06 1995-04-27 Display device and cathode ray tube
EP95915291A EP0716771B1 (en) 1994-05-06 1995-04-27 Display device and cathode ray tube
DE69503343T DE69503343T2 (en) 1994-05-06 1995-04-27 DISPLAY DEVICE AND CATHODE RAY TUBE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94201264 1994-05-06
EP94201264.2 1994-05-06

Publications (2)

Publication Number Publication Date
WO1995030999A2 WO1995030999A2 (en) 1995-11-16
WO1995030999A3 true WO1995030999A3 (en) 1995-12-07

Family

ID=8216855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1995/000305 WO1995030999A2 (en) 1994-05-06 1995-04-27 Display device and cathode ray tube

Country Status (7)

Country Link
US (1) US5633567A (en)
EP (1) EP0716771B1 (en)
JP (1) JPH09500488A (en)
KR (1) KR100381320B1 (en)
DE (1) DE69503343T2 (en)
TW (1) TW264559B (en)
WO (1) WO1995030999A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997002587A1 (en) * 1995-07-03 1997-01-23 Philips Electronics N.V. Display device and colour cathode ray tube for use in a display device
KR100230435B1 (en) * 1996-09-06 1999-11-15 손욱 Electron gun for color cathode ray-tube
CN101330814B (en) 2007-06-22 2010-11-10 富准精密工业(深圳)有限公司 Radiating device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055749A (en) * 1989-08-11 1991-10-08 Zenith Electronics Corporation Self-convergent electron gun system
US5061881A (en) * 1989-09-04 1991-10-29 Matsushita Electronics Corporation In-line electron gun
US5142190A (en) * 1989-11-21 1992-08-25 Goldstar Co., Ltd. Electron gun for a color cathode-ray tube
EP0509590A1 (en) * 1991-04-17 1992-10-21 Koninklijke Philips Electronics N.V. Display device and cathode ray tube

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4877998A (en) * 1988-10-27 1989-10-31 Rca Licensing Corp. Color display system having an electron gun with dual electrode modulation
JP2629927B2 (en) * 1989-01-10 1997-07-16 日本電気株式会社 Electron gun for color picture tube
JPH0353432A (en) * 1989-07-21 1991-03-07 Hitachi Ltd Electron gun for color television picture tube
JP3053827B2 (en) * 1990-02-08 2000-06-19 株式会社日立製作所 Electron gun and cathode ray tube
KR940010986B1 (en) * 1992-05-19 1994-11-21 삼성전관 주식회사 Electron gun for c-crt
KR940008156Y1 (en) * 1992-05-19 1994-11-23 박경팔 Electron gun for color cathode-ray tube
JPH0636705A (en) * 1992-07-17 1994-02-10 Toshiba Corp Color picture tube
KR950006601B1 (en) * 1992-08-12 1995-06-19 삼성전관주식회사 Dynamic focusing electron gun
JP3576217B2 (en) * 1993-09-30 2004-10-13 株式会社東芝 Picture tube device
JPH07134953A (en) * 1993-11-09 1995-05-23 Hitachi Ltd Color picture tube
KR950015511A (en) * 1993-11-30 1995-06-17 엄길용 Electron gun for colored cathode ray tube

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055749A (en) * 1989-08-11 1991-10-08 Zenith Electronics Corporation Self-convergent electron gun system
US5061881A (en) * 1989-09-04 1991-10-29 Matsushita Electronics Corporation In-line electron gun
US5142190A (en) * 1989-11-21 1992-08-25 Goldstar Co., Ltd. Electron gun for a color cathode-ray tube
EP0509590A1 (en) * 1991-04-17 1992-10-21 Koninklijke Philips Electronics N.V. Display device and cathode ray tube

Also Published As

Publication number Publication date
EP0716771A1 (en) 1996-06-19
US5633567A (en) 1997-05-27
TW264559B (en) 1995-12-01
DE69503343T2 (en) 1999-02-25
EP0716771B1 (en) 1998-07-08
KR960704337A (en) 1996-08-31
JPH09500488A (en) 1997-01-14
DE69503343D1 (en) 1998-08-13
WO1995030999A2 (en) 1995-11-16
KR100381320B1 (en) 2003-07-18

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