DE69804702D1 - Anzeigevorrichtung - Google Patents

Anzeigevorrichtung

Info

Publication number
DE69804702D1
DE69804702D1 DE69804702T DE69804702T DE69804702D1 DE 69804702 D1 DE69804702 D1 DE 69804702D1 DE 69804702 T DE69804702 T DE 69804702T DE 69804702 T DE69804702 T DE 69804702T DE 69804702 D1 DE69804702 D1 DE 69804702D1
Authority
DE
Germany
Prior art keywords
display device
display
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.)
Expired - Fee Related
Application number
DE69804702T
Other languages
English (en)
Other versions
DE69804702T2 (de
Inventor
John Beeteson
Andrew Ramsay Knox
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69804702D1 publication Critical patent/DE69804702D1/de
Application granted granted Critical
Publication of DE69804702T2 publication Critical patent/DE69804702T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J29/58—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
    • H01J29/467—Control electrodes for flat display tubes, e.g. of the type covered by group H01J31/123
DE69804702T 1997-02-22 1998-01-29 Anzeigevorrichtung Expired - Fee Related DE69804702T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9703741A GB2322470A (en) 1997-02-22 1997-02-22 Display device
GB9703741 1997-02-22

Publications (2)

Publication Number Publication Date
DE69804702D1 true DE69804702D1 (de) 2002-05-16
DE69804702T2 DE69804702T2 (de) 2005-03-24

Family

ID=10808163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69804702T Expired - Fee Related DE69804702T2 (de) 1997-02-22 1998-01-29 Anzeigevorrichtung

Country Status (7)

Country Link
US (1) US6002204A (de)
EP (1) EP0860850B1 (de)
JP (1) JP3431823B2 (de)
KR (1) KR100280346B1 (de)
DE (1) DE69804702T2 (de)
GB (1) GB2322470A (de)
TW (1) TW377450B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6326725B1 (en) * 1998-05-26 2001-12-04 Micron Technology, Inc. Focusing electrode for field emission displays and method
KR100290250B1 (ko) * 1998-06-11 2001-06-01 이형도 표시장치
US6127775A (en) * 1998-06-29 2000-10-03 Xerox Corporation Ionic display with grid focusing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136910A (en) * 1961-07-24 1964-06-09 Zenith Radio Corp Color television tube with a magnetic focus-mask
US4162422A (en) * 1975-10-31 1979-07-24 Futaba Denshi Kogyo K.K. Composite digital and analogue fluorescent display panel device
JPS5942876B2 (ja) * 1976-10-15 1984-10-18 双葉電子工業株式会社 アナログ表示用けい光表示管の駆動回路
US4217578A (en) * 1976-12-29 1980-08-12 Victor Company Of Japan, Limited Fluorescent indicator tube and related circuit
JPS5411661A (en) * 1977-06-27 1979-01-27 Fujitsu Ten Ltd Fluorescent display tube
NL7903467A (nl) * 1979-05-03 1980-11-05 Philips Nv Kathodestraalbuis voor het weergeven van gekleurde beelden.
JPS6093742A (ja) * 1983-10-27 1985-05-25 Matsushita Electric Ind Co Ltd 表示装置
JP2540866Y2 (ja) * 1989-09-14 1997-07-09 双葉電子工業株式会社 蛍光表示装置
GB2304981A (en) * 1995-08-25 1997-03-26 Ibm Electron source eg for a display
GB2317987A (en) * 1996-10-04 1998-04-08 Ibm Display devices

Also Published As

Publication number Publication date
GB2322470A (en) 1998-08-26
GB9703741D0 (en) 1997-04-09
KR19980070014A (ko) 1998-10-26
JP3431823B2 (ja) 2003-07-28
EP0860850A1 (de) 1998-08-26
JPH10247464A (ja) 1998-09-14
EP0860850B1 (de) 2002-04-10
US6002204A (en) 1999-12-14
TW377450B (en) 1999-12-21
DE69804702T2 (de) 2005-03-24
KR100280346B1 (ko) 2001-02-01

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8339 Ceased/non-payment of the annual fee