DE69720203D1 - SHIELDED FIELD EMISSION DISPLAY DEVICE - Google Patents

SHIELDED FIELD EMISSION DISPLAY DEVICE

Info

Publication number
DE69720203D1
DE69720203D1 DE69720203T DE69720203T DE69720203D1 DE 69720203 D1 DE69720203 D1 DE 69720203D1 DE 69720203 T DE69720203 T DE 69720203T DE 69720203 T DE69720203 T DE 69720203T DE 69720203 D1 DE69720203 D1 DE 69720203D1
Authority
DE
Germany
Prior art keywords
driving circuit
field emission
emission display
charge
integrated
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 - Lifetime
Application number
DE69720203T
Other languages
German (de)
Other versions
DE69720203T2 (en
Inventor
Zhongyi Xia
J Westphal
K Lee
J Browning
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.)
Micron Technology Inc
Original Assignee
Micron Technology Inc
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 Micron Technology Inc filed Critical Micron Technology Inc
Application granted granted Critical
Publication of DE69720203D1 publication Critical patent/DE69720203D1/en
Publication of DE69720203T2 publication Critical patent/DE69720203T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/304—Field-emissive cathodes
    • H01J1/3042—Field-emissive cathodes microengineered, e.g. Spindt-type
    • 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
    • H01J29/96—One or more circuit elements structurally associated with the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/30—Cold cathodes
    • H01J2201/304—Field emission cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/30—Cold cathodes
    • H01J2201/319—Circuit elements associated with the emitters by direct integration
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2329/00—Electron emission display panels, e.g. field emission display panels

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Massaging Devices (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Cold Cathode And The Manufacture (AREA)

Abstract

A field emission display having emitters controlled by an integrated driving circuit. The field emission display includes a charge shield positioned above exposed areas of the substrate to protect driving circuitry integrated into the substrate. The charge shield is a conductive layer within an insulative layer covering the driving circuit. The charge shield is connected to ground or to a low reference potential to bleed away current within the insulative layer, thereby preventing drifting charges from affecting the electrical response of the integrated driving circuit. The charge shield also terminates electric fields within the insulative layer to reduce the effect on the integrated driving circuit of dynamic variations in surface charge. Electrical characteristics of the driving circuit thus remain constant, reducing variations in the current supplied to the emitters, thereby reducing variations in the intensity of light emitted by the display.
DE69720203T 1996-05-03 1997-05-05 SHIELDED FIELD EMISSION DISPLAY DEVICE Expired - Lifetime DE69720203T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US64239896A 1996-05-03 1996-05-03
US642398 1996-05-03
PCT/US1997/007855 WO1997042644A1 (en) 1996-05-03 1997-05-05 Shielded field emission display

Publications (2)

Publication Number Publication Date
DE69720203D1 true DE69720203D1 (en) 2003-04-30
DE69720203T2 DE69720203T2 (en) 2004-02-12

Family

ID=24576380

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720203T Expired - Lifetime DE69720203T2 (en) 1996-05-03 1997-05-05 SHIELDED FIELD EMISSION DISPLAY DEVICE

Country Status (7)

Country Link
EP (1) EP0896730B1 (en)
JP (1) JP2001501769A (en)
KR (1) KR100424967B1 (en)
AT (1) ATE235739T1 (en)
AU (1) AU2937297A (en)
DE (1) DE69720203T2 (en)
WO (1) WO1997042644A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000019417A (en) * 1998-09-11 2000-04-06 김영남 Gate driving circuit for field emission display
FR2784225B1 (en) * 1998-10-02 2001-03-09 Commissariat Energie Atomique SOURCE OF ELECTRONS WITH EMISSIVE CATHODES COMPRISING AT LEAST ONE ELECTRODE FOR PROTECTION AGAINST INTERFERENCE EMISSIONS
US6373174B1 (en) 1999-12-10 2002-04-16 Motorola, Inc. Field emission device having a surface passivation layer
KR20140112270A (en) * 2013-03-13 2014-09-23 삼성전자주식회사 X-ray generator including heat sink block

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03192641A (en) * 1989-12-20 1991-08-22 Ricoh Co Ltd Fluorescent display tube
JPH044547A (en) * 1990-04-20 1992-01-09 Nec Corp Fluorescent character display panel of active matrix type
US5075595A (en) * 1991-01-24 1991-12-24 Motorola, Inc. Field emission device with vertically integrated active control
US5212426A (en) * 1991-01-24 1993-05-18 Motorola, Inc. Integrally controlled field emission flat display device
JPH0676768A (en) * 1992-08-25 1994-03-18 Nippondenso Co Ltd Fluorescent character display device
JP2820047B2 (en) * 1994-12-27 1998-11-05 日本電気株式会社 Fluorescent printer head

Also Published As

Publication number Publication date
WO1997042644A1 (en) 1997-11-13
ATE235739T1 (en) 2003-04-15
DE69720203T2 (en) 2004-02-12
KR20000010738A (en) 2000-02-25
EP0896730A1 (en) 1999-02-17
JP2001501769A (en) 2001-02-06
KR100424967B1 (en) 2004-07-23
EP0896730B1 (en) 2003-03-26
AU2937297A (en) 1997-11-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition