EP1294009A3 - Cacon d'électron pour tube à rayons cathodiques couleur - Google Patents

Cacon d'électron pour tube à rayons cathodiques couleur 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Withdrawn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)
Other versions
EP1294009A2 (fr
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/fr
Publication of EP1294009A3 publication Critical patent/EP1294009A3/fr
Withdrawn legal-status Critical Current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

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Details Of Television Scanning (AREA)
EP02254610A 2001-09-14 2002-07-01 Cacon d'électron pour tube à rayons cathodiques couleur Withdrawn EP1294009A3 (fr)

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 (fr) 2003-03-19
EP1294009A3 true EP1294009A3 (fr) 2004-05-06

Family

ID=19714302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02254610A Withdrawn EP1294009A3 (fr) 2001-09-14 2002-07-01 Cacon d'électron pour tube à rayons cathodiques couleur

Country Status (4)

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

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
EP0889500B1 (fr) * 1997-07-04 2003-09-17 THOMSON TUBES & DISPLAYS S.A. Tube image couleur comprenant un canon électronique en ligne
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
KR100426569B1 (ko) 2004-04-08
KR20030023826A (ko) 2003-03-20
EP1294009A2 (fr) 2003-03-19
CN1405830A (zh) 2003-03-26
JP2003092071A (ja) 2003-03-28
CN1206695C (zh) 2005-06-15
JP2005129544A (ja) 2005-05-19

Similar Documents

Publication Publication Date Title
EP1122759A3 (fr) Structure amplificatrice d'électrons secondaires utilisant des nanotubes de carbone, panneau d'affichage à plasma et dispositif d'éclairage par l'arrière
EP0986088A3 (fr) Tube à rayons cathodique ayant un faible potentiel de focalisation dynamique
EP1365435A3 (fr) Tube à rayons cathodiques couleur
EP0833364A3 (fr) Tube à rayons cathodiques
EP0805473A3 (fr) Tube image couleur à tension de focalisation dynamique réduite
EP0901146A3 (fr) Tube à rayons cathodiques couleur
KR950701134A (ko) 컬러음극선관용 멀티-빔 군 전자총
EP1294009A3 (fr) Cacon d'électron pour tube à rayons cathodiques couleur
AU2001225544A1 (en) Cathode for emitting photoelectron or secondary electron, photomultiplier tube, and electron-multiplier tube
EP0848050A3 (fr) Matériau luminescent stabilisé
EP0877408A3 (fr) Tube à rayons cathodiques couleur
KR950701133A (ko) 흑백음극선관용 멀티-빔 전자총
EP1089601A3 (fr) Lampe à arc à déflexion magnétique
EP0987733A3 (fr) Tube à rayons cathodiques
DE60137305D1 (de) Kathodenstrahlröhre mit kompositkathode
EP0898294A3 (fr) Tube à rayons cathodiques et méthode de compensation de l'aberration de déflection
EP0898296A3 (fr) Tube photomultiplicateur court pour gamma camera
EP1220274A3 (fr) Tube à rayons cathodiques couleur
EP1115138A3 (fr) Tube couleur à rayons cathodiques
EP0772218A3 (fr) Tube à micro-ondes à faisceau rectiligne avec une cathode froide plane comme source de faisceau électronique
AU2002310257A1 (en) Cathode ray tube having multiple field emission cathrodes
EP1225615A3 (fr) Tube à rayons cathodique
EP0908917A3 (fr) Revêtement à émission secondaire pour tube photomultiplicateur
EP1221712A3 (fr) Tube à rayons cathodiques couleur
EP1292155A3 (fr) Dispositif à tube d'image couleur dans lequel l'erreur de convergence est corrigée

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