EP1294009A3 - Electron gun for color cathode ray tube - Google Patents

Electron gun for color cathode ray tube Download PDF

Info

Publication number
EP1294009A3
EP1294009A3 EP02254610A EP02254610A EP1294009A3 EP 1294009 A3 EP1294009 A3 EP 1294009A3 EP 02254610 A EP02254610 A EP 02254610A EP 02254610 A EP02254610 A EP 02254610A EP 1294009 A3 EP1294009 A3 EP 1294009A3
Authority
EP
European Patent Office
Prior art keywords
electron gun
ray tube
cathode ray
color cathode
electrodes
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Withdrawn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
EP02254610A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1294009A2 (en
Inventor
Youn Jin Migwang Apt. 101-413 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.)
LG Philips Displays Korea Co Ltd
Original Assignee
LG Philips Displays Korea 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 LG Philips Displays Korea Co Ltd filed Critical LG Philips Displays Korea Co Ltd
Publication of EP1294009A2 publication Critical patent/EP1294009A2/en
Publication of EP1294009A3 publication Critical patent/EP1294009A3/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/56—Correction of beam optics
    • H01J2229/568—Correction of beam optics using supplementary correction devices
    • H01J2229/5681—Correction of beam optics using supplementary correction devices magnetic
    • H01J2229/5687—Auxiliary coils
    • H01J2229/5688—Velocity modulation

Landscapes

  • Details Of Television Scanning (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
EP02254610A 2001-09-14 2002-07-01 Electron gun for color cathode ray tube Withdrawn EP1294009A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2001056933 2001-09-14
KR10-2001-0056933A KR100426569B1 (ko) 2001-09-14 2001-09-14 칼라음극선관용 전자총

Publications (2)

Publication Number Publication Date
EP1294009A2 EP1294009A2 (en) 2003-03-19
EP1294009A3 true EP1294009A3 (en) 2004-05-06

Family

ID=19714302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02254610A Withdrawn EP1294009A3 (en) 2001-09-14 2002-07-01 Electron gun for color cathode ray tube

Country Status (4)

Country Link
EP (1) EP1294009A3 (zh)
JP (2) JP2003092071A (zh)
KR (1) KR100426569B1 (zh)
CN (1) CN1206695C (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728858A (en) * 1986-02-14 1988-03-01 Kabushiki Kaisha Toshiba Color cathode ray tube apparatus
US6031326A (en) * 1997-04-01 2000-02-29 Hitachi, Ltd. Electron gun with electrode supports

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69724942D1 (de) * 1997-07-04 2003-10-23 Thomson Tubes & Displays Farbbildröhre mit einer in-line Elektronenkanone
JPH11135031A (ja) * 1997-10-30 1999-05-21 Hitachi Ltd カラー陰極線管
KR100339349B1 (ko) * 1999-08-07 2002-06-03 구자홍 칼라 음극선관용 전자총
KR100728190B1 (ko) * 2001-01-17 2007-06-13 삼성에스디아이 주식회사 음극선관용 전자총
KR100778497B1 (ko) * 2001-05-15 2007-11-22 삼성에스디아이 주식회사 음극선관용 전자총

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728858A (en) * 1986-02-14 1988-03-01 Kabushiki Kaisha Toshiba Color cathode ray tube apparatus
US6031326A (en) * 1997-04-01 2000-02-29 Hitachi, Ltd. Electron gun with electrode supports

Also Published As

Publication number Publication date
JP2003092071A (ja) 2003-03-28
KR100426569B1 (ko) 2004-04-08
CN1206695C (zh) 2005-06-15
KR20030023826A (ko) 2003-03-20
JP2005129544A (ja) 2005-05-19
EP1294009A2 (en) 2003-03-19
CN1405830A (zh) 2003-03-26

Similar Documents

Publication Publication Date Title
EP1122759A3 (en) Secondary electron amplification structure employing carbon nanotube, and plasma panel and back light using the same
EP1089310A3 (en) Field emission device
EP1365435A3 (en) Colour cathode-ray tube
EP0833364A3 (en) Cathode ray tube
EP0805473A3 (en) Color picture tube with reduced dynamic focus voltage
KR950701134A (ko) 컬러음극선관용 멀티-빔 군 전자총
EP1294009A3 (en) Electron gun for color cathode ray tube
EP0848050A3 (en) Stabilized phosphor
EP0901146A3 (en) Color cathode-ray tube
EP0877408A3 (en) Color cathode ray tube
MY132972A (en) Color cathode ray tube with a reduced dynamic focus voltage for an electrostatic quadrupole lens thereof
EP1154458A3 (en) Color cathode ray tube
EP1117119A3 (en) Color cathode ray tube
EP0898294A3 (en) Cathode ray tube and deflection aberration correcting method of the same
EP1306871A3 (en) Apparatus and method for focusing high-density electron beam emitted from planar cold cathode electron emitter
EP1211710A3 (en) Cathode ray tube apparatus
EP0866492A3 (en) Discharge lamp of the short arc type
EP0898296A3 (en) Short gamma camera photomultiplier tube
EP1115138A3 (en) Color cathode ray tube
EP1220274A3 (en) Color cathode ray tube
EP1225615A3 (en) Cathode ray tube
EP0908917A3 (en) Secondary emission coating for photomultiplier tubes
AU2002310257A1 (en) Cathode ray tube having multiple field emission cathrodes
AU2002366886A1 (en) Cathode ray tube and electron gun
EP1221712A3 (en) Color cathode ray tube

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20041104

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20060728