KR960019453A - Color cathode ray tube using quadrupole lens and color display device provided with same - Google Patents

Color cathode ray tube using quadrupole lens and color display device provided with same Download PDF

Info

Publication number
KR960019453A
KR960019453A KR1019950043776A KR19950043776A KR960019453A KR 960019453 A KR960019453 A KR 960019453A KR 1019950043776 A KR1019950043776 A KR 1019950043776A KR 19950043776 A KR19950043776 A KR 19950043776A KR 960019453 A KR960019453 A KR 960019453A
Authority
KR
South Korea
Prior art keywords
focusing
focusing electrode
electrode
voltage
quadrupole lens
Prior art date
Application number
KR1019950043776A
Other languages
Korean (ko)
Inventor
요시아키 타카하시
Original Assignee
카나이 쯔또무
가부시기가이샤 히다찌세이사구쇼
야스나가 히데아끼
히다찌일렉트로닉스데바이시스 가부시기가이샤
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 카나이 쯔또무, 가부시기가이샤 히다찌세이사구쇼, 야스나가 히데아끼, 히다찌일렉트로닉스데바이시스 가부시기가이샤 filed Critical 카나이 쯔또무
Publication of KR960019453A publication Critical patent/KR960019453A/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
    • H01J29/58—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
    • 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
    • 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

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

본 발명의 컬러표시장치는 컬러음극선관을 구비하고 컬러음극선관은 적어도 음극, 제어전극, 가속전극, 집속전극 및 양극을 이 순서로 축방향으로 배치하여 내장한 전자총을 지닌다. 상기 집속전극은 제1집속전극, 제2집속전극 및 제3집속전극을 이 순서로 배치하여 구성되고 제1집속전극은 상기 가속전극에 대향한다. 제1의 4중극렌즈구조는 제1집속전극의 제2집속전극에 대향하는 부분과 제2집속전극의 제1집속전극에 대향하는 부분중 적어도 한쪽에 형성되고, 제2의 4중극렌즈구조는 제2집속전극의 제3집속전극에 대향하는 부분과 제3집속전극의 제2집속전극에 대향하는 부분중 적어도 한쪽에 형성된다. 제1 및 제3집속전극에 전자빔의 편향에 따라 제2집속전극에 인가된 전압보다 큰 값으로 변화하는 다이나믹집속전압을 인가하는 것에 의해, 제1의 4중극렌즈는 전자빔에 대해서 수평방향으로 발산작용, 수직방향으로 집속작용을 발생하고, 제2의 4중극렌즈는 전자빔에 대해서 수평방향으로 집속작용, 수직방향으로 발산작용을 발생한다.The color display device of the present invention includes a color cathode ray tube, and the color cathode ray tube has an electron gun in which at least the cathode, the control electrode, the acceleration electrode, the focusing electrode and the anode are arranged in this order in the axial direction. The focusing electrode is configured by arranging a first focusing electrode, a second focusing electrode, and a third focusing electrode in this order, and the first focusing electrode faces the acceleration electrode. The first quadrupole lens structure is formed on at least one of a portion facing the second focusing electrode of the first focusing electrode and a portion facing the first focusing electrode of the second focusing electrode, and the second quadrupole lens structure It is formed in at least one of the part which opposes the 3rd focusing electrode of a 2nd focusing electrode, and the part which opposes the 2nd focusing electrode of a 3rd focusing electrode. The first quadrupole lens diverges in the horizontal direction with respect to the electron beam by applying a dynamic focusing voltage to the first and third focusing electrodes which is changed to a value greater than the voltage applied to the second focusing electrode in accordance with the deflection of the electron beam. Action and focusing action in the vertical direction, and the second quadrupole lens produces focusing action in the horizontal direction and diverging action in the vertical direction with respect to the electron beam.

Description

4중극렌즈를 사용한 컬러음극선관 및 이를 구비한 컬러표시장치Color cathode ray tube using quadrupole lens and color display device provided with same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명을 적용한 컬러음극선관의 구조예를 설명하는 개략단면도.1 is a schematic cross-sectional view illustrating a structural example of a color cathode ray tube to which the present invention is applied.

Claims (5)

적어도 음극, 제어전극, 가속전극, 집속전극 및 양극을 이 순서로 축방향으로 배치한 전자총을 구비한 컬러음극선관에 있어서. 상기 집속전극은 상기 가속전극과 대향하는 제1집속전극과, 제2집속전극 및 제3집속전극을 이 순서로 배치하여 구성되고, 상기 제1집속전극의 상기 제2집속전극에 대향하는 부분과, 상기 제2집속전극의 상기 제1집속전극에 대향하는 부분중의 적어도 한쪽에 형성된 제1의 4중극렌즈구조를 구비함과 동시에, 상기 제2집속전극의 상기 제3집속전극에 대향하는 부분과, 상기 제3집속전극의 상기 제2집속전극에 대향하는 부분중의 적어도 한쪽에 형성된 제2의 4중극렌즈구조를 구비한 것을 특징으로 하는 컬러음극선관.A color cathode ray tube having an electron gun in which at least a cathode, a control electrode, an acceleration electrode, a focusing electrode, and an anode are arranged in this order in the axial direction. The focusing electrode is configured by arranging a first focusing electrode facing the acceleration electrode, a second focusing electrode and a third focusing electrode in this order, and a portion of the first focusing electrode facing the second focusing electrode. And a first quadrupole lens structure formed on at least one of the portions of the second focusing electrode that faces the first focusing electrode, and a portion of the second focusing electrode that faces the third focusing electrode. And a second quadrupole lens structure formed on at least one of the portions of the third focusing electrode that faces the second focusing electrode. 제1항에 있어서, 상기 제1집속전극은 상기 컬러음극선관내부의 상기 제3집속전극과 내부접속된 것을 특징으로 하는 컬러음극선관.The color cathode ray tube according to claim 1, wherein the first focusing electrode is internally connected to the third focusing electrode inside the color cathode ray tube. 적어도 음극, 제어전극, 가속전극, 집속전극 및 양극을 이 순서로 축방향으로 배치한 전자총을 구비한 컬러음극선관을 내장한 컬러표시장치에 있어서. 상기 집속전극은 상기 가속전극과 대향하는 제1집속전극과, 제2집속전극 및 제3집속전극을 이 순서로 배치하여 구성되고, 상기 제1집속전극의 상기 제2집속전극에 대향하는 부분과, 상기 제2집속전극의 상기 제1집속전극에 대향하는 부분중의 적어도 한쪽에 형성된 제1의 4중극렌즈구조를 구비함과 동시에, 상기 제2집속전극의 상기 제3집속전극에 대향하는 부분과, 상기 제3집속전극의 상기 제2집속전극에 대향하는 부분중의 적어도 한쪽에 형성된 제2의 4중극렌즈구조를 구비하고, 상기 제1집속전극과 제3집속전극에 전자빔의 편향에 따라 상기 제2집속전극에 인가된 전압보다도 큰 값으로 변화하는 다이나믹 집속전압을 인가하는 것에 의해, 상기 제1의 4중극렌즈구조는 전자빔에 대해서 수평방향으로 발산작용, 수직방향으로 집속작용을 발생하고, 상기 제2의 4중극렌즈구조는 전자빔에 대해서 수평방향으로 집속작용, 수직방향으로 발산작용을 발생하는 것을 특징으로 하는 컬러표시장치.A color display device incorporating a color cathode ray tube having an electron gun in which at least a cathode, a control electrode, an acceleration electrode, a focusing electrode, and an anode are arranged in this order in an axial direction. The focusing electrode is configured by arranging a first focusing electrode facing the acceleration electrode, a second focusing electrode and a third focusing electrode in this order, and a portion of the first focusing electrode facing the second focusing electrode. And a first quadrupole lens structure formed on at least one of the portions of the second focusing electrode that faces the first focusing electrode, and a portion of the second focusing electrode that faces the third focusing electrode. And a second quadrupole lens structure formed on at least one of the portions of the third focusing electrode that faces the second focusing electrode, wherein the first focusing electrode and the third focusing electrode are arranged in accordance with the deflection of the electron beam. By applying a dynamic focusing voltage that changes to a value greater than the voltage applied to the second focusing electrode, the first quadrupole lens structure generates diverging action in the horizontal direction and focusing action in the vertical direction with respect to the electron beam. , Prize Quadrupole lens structure of the second is the color display device, characterized in that for generating a diverging action in the focusing operation, the vertical direction in the horizontal direction with respect to the electron beam. 제3항에 있어서, 전자빔이 상기 컬러음극선관의 형광체스크린의 중앙부에 있는 경우의 다이나믹집속전압과, 상기 형광체스크린의 유효주사영역의 주변부로 편향된 경우의 다이나믹집속전압간의 전압차인 다이나믹집속전압의 변화폭Dv와, 상기 제어전극에 대해서 측정한 상기 가속전극에의 인가전압Av는 이하의 부등식을 만족하도록 선택된 것을 특징으로 하는 컬러표시장치.The change range of the dynamic focusing voltage which is the voltage difference between the dynamic focusing voltage when the electron beam is in the center of the phosphor screen of the color cathode ray tube and the dynamic focusing voltage when the electron beam is deflected to the periphery of the effective scanning area of the phosphor screen. And the applied voltage Av to the acceleration electrode measured with respect to the control electrode is selected to satisfy the following inequality. 0.2≤Dv/Av≤40.2≤Dv / Av≤4 제3항에 있어서, 상기 제어전극의 인가전압은 -150~0V범위내, 상기 가속전극의 인가전압은 200~1000V범위내, 상기 제2집속전극의 인가전압은 4~10㎸범위내, 상기 양극의 인가전압은 23~30㎸범위내 및 상기 제1 및 제3집속전극의 인가전압은 상기 제2집속전극의 인가전압에 200V~800V의 범위내인 다이나믹집속전압의 변화폭을 더한 범위내에 있고, 상기 다이나믹집속전압의 변화폭은, 전자빔이 상기 컬러음극선관의 형광체스크린의 중앙부에 있는 경우의 다이나믹집속전압과 상기 형광체스크린의 유효주사영역의 주변부로 편향된 경우의 다이나믹집속전압간의 전압차인 것을 특징으로 하는 컬러표시장치.The method of claim 3, wherein the voltage applied to the control electrode is in the range of -150 ~ 0V, the voltage of the acceleration electrode is in the range of 200 ~ 1000V, the voltage of the second focusing electrode is in the range of 4 ~ 10㎸ The applied voltage of the anode is in the range of 23 to 30 mA and the applied voltage of the first and the third focusing electrodes is in the range of the change of the dynamic focusing voltage in the range of 200 V to 800 V to the applied voltage of the second focusing electrode. The variation range of the dynamic focusing voltage is a voltage difference between the dynamic focusing voltage when the electron beam is in the center of the phosphor screen of the color cathode ray tube and the dynamic focusing voltage when the electron beam is deflected to the periphery of the effective scanning area of the phosphor screen. Color display device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950043776A 1994-11-25 1995-11-25 Color cathode ray tube using quadrupole lens and color display device provided with same KR960019453A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP94-291325 1994-11-25
JP6291325A JPH08148095A (en) 1994-11-25 1994-11-25 Electron gun and color cathode-ray tube provided with this electron gun

Publications (1)

Publication Number Publication Date
KR960019453A true KR960019453A (en) 1996-06-17

Family

ID=17767455

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950043776A KR960019453A (en) 1994-11-25 1995-11-25 Color cathode ray tube using quadrupole lens and color display device provided with same

Country Status (4)

Country Link
EP (1) EP0714115A3 (en)
JP (1) JPH08148095A (en)
KR (1) KR960019453A (en)
CN (1) CN1130302A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384675B1 (en) * 2000-11-28 2003-05-22 가부시키가이샤 히타치세이사쿠쇼 Color image receiving tube

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5936338A (en) * 1994-11-25 1999-08-10 Hitachi, Ltd. Color display system utilizing double quadrupole lenses under optimal control
JP2000156178A (en) 1998-11-20 2000-06-06 Toshiba Corp Cathode-ray tube
TW446984B (en) 1999-01-26 2001-07-21 Toshiba Corp Color cathode ray tube device
KR20030033217A (en) * 2001-10-19 2003-05-01 삼성에스디아이 주식회사 Electron gun for the cathode ray tube with unipotential and bipotential lens
US6949895B2 (en) * 2003-09-03 2005-09-27 Axcelis Technologies, Inc. Unipolar electrostatic quadrupole lens and switching methods for charged beam transport

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640468B2 (en) 1985-09-09 1994-05-25 松下電子工業株式会社 Color picture tube device
JP2645061B2 (en) * 1988-03-11 1997-08-25 株式会社東芝 Color picture tube equipment
JPH07134953A (en) * 1993-11-09 1995-05-23 Hitachi Ltd Color picture tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384675B1 (en) * 2000-11-28 2003-05-22 가부시키가이샤 히타치세이사쿠쇼 Color image receiving tube

Also Published As

Publication number Publication date
JPH08148095A (en) 1996-06-07
EP0714115A3 (en) 1997-07-16
CN1130302A (en) 1996-09-04
EP0714115A2 (en) 1996-05-29

Similar Documents

Publication Publication Date Title
KR950001842A (en) Cathode ray tube with reduced dynamic correction voltage
KR960005721A (en) Color cathode ray tube
KR880004539A (en) Color display system and cathode ray tube
KR960005698A (en) Color cathode ray tube
KR930024066A (en) Electron gun for colored cathode ray tube
KR950009865A (en) Electron gun for cathode ray tube
KR960019453A (en) Color cathode ray tube using quadrupole lens and color display device provided with same
KR910010604A (en) Electron gun for color cathode ray tube
KR970001591B1 (en) Electron gun for color cathode ray tube
KR970030166A (en) Electron gun for color cathode ray tube
KR890016614A (en) CRT gun
KR970051774A (en) Electron gun for color cathode ray tube
KR20010030456A (en) A color cathode ray tube
KR910020625A (en) Color display system
KR960002442A (en) Electron gun for colored cathode ray tube
KR940022649A (en) Electron gun for cathode ray tube
KR980700673A (en) Display system
KR950000651B1 (en) Electron gun for color cathode-ray tube
KR100294500B1 (en) electronic gun for cathode ray tube
KR950027893A (en) Cathode ray tube and electron gun
KR940007249B1 (en) Dynamic focus electron gun for c-crt
KR940008762B1 (en) Electron gun for c-crt
KR950009801A (en) Electron gun for colored cathode ray tube
KR930020538A (en) Electron gun for colored cathode ray tube
KR940022655A (en) Electron gun for colored cathode ray tube

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee