KR940005496B1 - 음극선관 - Google Patents
음극선관 Download PDFInfo
- Publication number
- KR940005496B1 KR940005496B1 KR1019910025431A KR910025431A KR940005496B1 KR 940005496 B1 KR940005496 B1 KR 940005496B1 KR 1019910025431 A KR1019910025431 A KR 1019910025431A KR 910025431 A KR910025431 A KR 910025431A KR 940005496 B1 KR940005496 B1 KR 940005496B1
- Authority
- KR
- South Korea
- Prior art keywords
- cathode
- ray tube
- cathode ray
- electrode
- control electrode
- Prior art date
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 3
- 230000005415 magnetization Effects 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 238000010894 electron beam technology Methods 0.000 description 24
- 239000000463 material Substances 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
-
- 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
- H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
Description
Claims (4)
- 펀넬의 네크부에 설치되는 것으로, 전치삼극관부를 이루는 캐소오드, 제어전극 및 스크린전극을 포함한 전자총을 구비하여된 음극선관에 있어서 상기 캐소오드(21)와 제어전극(22)사이에 대응되는 네크부(40)의 내주면 자화체(30)를 설치하여 된 것을 특징으로 하는 음극선관.
- 제1항에 있어서 상기 자화체(30)가 링형상을 갖는 것을 특징으로 하는 음극선관.
- 제1항 또는 2항중 적어도 어느 한 항에 있어서 상기 자화체(30)가 이방성 페라이트 또는 히토류 플라스틱 마크네트인 것을 특징으로 하는 음극선관.
- 제1항 또는 2항중 적어도 어느 한항에 있어서 상기 자화체(30)의 자화 경사각이 전자총의 중심축에대해 제어전극(22)측으로 20˚내지 40˚인 것을 특징으로 하는 음극선관.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910025431A KR940005496B1 (ko) | 1991-12-30 | 1991-12-30 | 음극선관 |
DE4243970A DE4243970A1 (en) | 1991-12-30 | 1992-12-23 | CRT with ring of magnetic material - positioned between cathode and shielding electrode to impose radial field on electron beam |
JP4348590A JP2613728B2 (ja) | 1991-12-30 | 1992-12-28 | 陰極線管 |
US07/998,123 US5384513A (en) | 1991-12-30 | 1992-12-29 | Cathode ray tube with improved focusing characteristics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910025431A KR940005496B1 (ko) | 1991-12-30 | 1991-12-30 | 음극선관 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930014725A KR930014725A (ko) | 1993-07-23 |
KR940005496B1 true KR940005496B1 (ko) | 1994-06-20 |
Family
ID=19326947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910025431A KR940005496B1 (ko) | 1991-12-30 | 1991-12-30 | 음극선관 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5384513A (ko) |
JP (1) | JP2613728B2 (ko) |
KR (1) | KR940005496B1 (ko) |
DE (1) | DE4243970A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3135421B2 (ja) * | 1993-07-06 | 2001-02-13 | 松下電子工業株式会社 | カラー陰極線管 |
JP3638311B2 (ja) * | 1993-09-14 | 2005-04-13 | 株式会社東芝 | カラー受像管 |
FR2764730B1 (fr) * | 1997-06-13 | 1999-09-17 | Thomson Tubes Electroniques | Canon electronique pour tube electronique multifaisceau et tube electronique multifaisceau equipe de ce canon |
US7659892B2 (en) * | 2005-03-17 | 2010-02-09 | Semiconductor Energy Laboratory Co., Ltd. | Display device and portable terminal |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2372443A (en) * | 1942-04-22 | 1945-03-27 | Rca Corp | Correction of electromagnetic lenses |
JPS547236A (en) * | 1977-06-20 | 1979-01-19 | Hitachi Ltd | High-resolution cathode-ray tube |
JPS5711458A (en) * | 1980-06-20 | 1982-01-21 | Sanyo Electric Co Ltd | Cathode-ray tube |
GB2079530B (en) * | 1980-07-02 | 1985-04-11 | Hitachi Ltd | Magnetic focussing arrangement in a cathode ray tube |
JPS5749150A (en) * | 1980-09-10 | 1982-03-20 | Hitachi Ltd | Electromagnetic focussing cathode-ray tube |
US4460844A (en) * | 1980-12-15 | 1984-07-17 | Hitachi, Ltd. | Magnetic focusing, three in-line gun type color picture tube |
JPS5840749A (ja) * | 1981-09-02 | 1983-03-09 | Toshiba Corp | 磁気集束型陰極線管 |
JPH02204946A (ja) * | 1989-02-01 | 1990-08-14 | Mitsubishi Electric Corp | ビデオプロジェクタ用陰極線管 |
JPH02106666U (ko) * | 1989-02-13 | 1990-08-24 | ||
KR930007584Y1 (ko) * | 1990-12-31 | 1993-11-05 | 삼성전관 주식회사 | 음극선관용 전자총 |
KR940003242Y1 (ko) * | 1991-07-10 | 1994-05-16 | 삼성전관 주식회사 | 음극선관 |
-
1991
- 1991-12-30 KR KR1019910025431A patent/KR940005496B1/ko not_active IP Right Cessation
-
1992
- 1992-12-23 DE DE4243970A patent/DE4243970A1/de not_active Withdrawn
- 1992-12-28 JP JP4348590A patent/JP2613728B2/ja not_active Expired - Lifetime
- 1992-12-29 US US07/998,123 patent/US5384513A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR930014725A (ko) | 1993-07-23 |
JPH0721939A (ja) | 1995-01-24 |
US5384513A (en) | 1995-01-24 |
DE4243970A1 (en) | 1993-07-01 |
JP2613728B2 (ja) | 1997-05-28 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19911230 |
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PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19911230 Comment text: Request for Examination of Application |
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PG1501 | Laying open of application | ||
G160 | Decision to publish patent application | ||
PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19940527 |
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E701 | Decision to grant or registration of patent right | ||
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19940901 |
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Comment text: Registration of Establishment Patent event date: 19941018 Patent event code: PR07011E01D |
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