EP0803898A3 - Elektrode für Entladungslampen - Google Patents

Elektrode für Entladungslampen Download PDF

Info

Publication number
EP0803898A3
EP0803898A3 EP97106015A EP97106015A EP0803898A3 EP 0803898 A3 EP0803898 A3 EP 0803898A3 EP 97106015 A EP97106015 A EP 97106015A EP 97106015 A EP97106015 A EP 97106015A EP 0803898 A3 EP0803898 A3 EP 0803898A3
Authority
EP
European Patent Office
Prior art keywords
barium
discharge lamp
lamp electrode
electrode
bahfo
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Withdrawn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
EP97106015A
Other languages
English (en)
French (fr)
Other versions
EP0803898A2 (de
Inventor
Klaus-Dieter Bauer
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0803898A2 publication Critical patent/EP0803898A2/de
Publication of EP0803898A3 publication Critical patent/EP0803898A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material

Landscapes

  • Discharge Lamp (AREA)
  • Luminescent Compositions (AREA)

Abstract

Die Erfindung betrifft eine Elektrode für Entladungslampen mit einem Elektronenemitter, der eine Bariumverbindung aus der Gruppe Bariumzirkonat (BaZrO3), Bariumhafnat (BaHfO3), Bariumtitanat (BaTiO3) und Bariumcerat (BaCeO3) sowie ein oder mehrere metallische Bestandteile enthält.
EP97106015A 1996-04-24 1997-04-11 Elektrode für Entladungslampen Withdrawn EP0803898A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19616408A DE19616408A1 (de) 1996-04-24 1996-04-24 Elektrode für Entladungslampen
DE19616408 1996-04-24

Publications (2)

Publication Number Publication Date
EP0803898A2 EP0803898A2 (de) 1997-10-29
EP0803898A3 true EP0803898A3 (de) 1997-12-29

Family

ID=7792333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106015A Withdrawn EP0803898A3 (de) 1996-04-24 1997-04-11 Elektrode für Entladungslampen

Country Status (9)

Country Link
US (1) US5880558A (de)
EP (1) EP0803898A3 (de)
JP (1) JPH1050252A (de)
KR (1) KR970071987A (de)
CN (1) CN1170954A (de)
CA (1) CA2203330A1 (de)
DE (1) DE19616408A1 (de)
HU (1) HU218818B (de)
TW (1) TW320733B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1037244A3 (de) * 1999-03-12 2003-01-08 TDK Corporation Elektronenemittierendes Material und Verfahren zu dessen Herstellung
EP1285458A1 (de) 2000-05-12 2003-02-26 Koninklijke Philips Electronics N.V. Elektrische hochdruck-entladungslampe
JP2002289139A (ja) * 2001-03-28 2002-10-04 Matsushita Electric Ind Co Ltd 冷陰極放電ランプ
DE10122392A1 (de) * 2001-05-09 2002-11-14 Philips Corp Intellectual Pty Gasentladungslampe
US6603249B2 (en) * 2001-09-24 2003-08-05 Osram Sylvania Inc. Fluorescent lamp with reduced sputtering
DE10242241A1 (de) * 2002-09-12 2004-03-25 Philips Intellectual Property & Standards Gmbh Niederdruckgasentladungslampe mit Ba TiO3-ähnlichen Elektronen-Ermittersubstanzen
CN1306554C (zh) * 2004-04-20 2007-03-21 陈宗烈 无灯丝热阴极荧光灯
US7633226B2 (en) * 2005-11-30 2009-12-15 General Electric Company Electrode materials for electric lamps and methods of manufacture thereof
US8253331B2 (en) * 2010-04-28 2012-08-28 General Electric Company Mercury dosing method for fluorescent lamps
CN104091740A (zh) * 2014-01-24 2014-10-08 朱惠冲 高强度稀土钼管冷阴极及其制备工艺
CN109686515B (zh) * 2018-12-30 2021-02-12 苏州团芯终端有限公司 高可靠性的ptc热敏电阻

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6477857A (en) * 1987-09-18 1989-03-23 Tdk Corp Cold cathode discharge apparatus
JPH0443546A (ja) * 1990-06-08 1992-02-13 Tdk Corp 放電電極
JPH04272109A (ja) * 1991-02-27 1992-09-28 Toshiba Corp 冷陰極蛍光ランプ用電極材料およびそれからなる電極
US5336970A (en) * 1991-12-26 1994-08-09 At&T Bell Laboratories Gas tube protector
EP0612093A1 (de) * 1993-02-16 1994-08-24 Jacques Villain Kaltkathode für eine Gasentladungsröhre mit einer Erdalkalimetallschicht auf einem metallischen Träger
JPH07142027A (ja) * 1993-11-17 1995-06-02 Noritake Co Ltd 放電管

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687489A (en) * 1952-06-26 1954-08-24 Hanovia Chemical & Mfg Co Electrode
DE1120016B (de) * 1964-07-08 1961-12-21 Elger 1 Alpenlaendisches Unter Nicht geheizte Elektrode, insbesondere fuer Niederspannungsleuchtstofflampen, sowie Lampe mit solchen Elektroden
US3558964A (en) * 1968-10-21 1971-01-26 Gen Electric High current thermionic hollow cathode lamp
US4081713A (en) * 1976-01-28 1978-03-28 Hitachi, Ltd. Directly heated oxide cathode
US4105908A (en) * 1976-04-30 1978-08-08 General Electric Company Metal halide lamp having open tungsten coil electrodes
US4210840A (en) * 1978-12-12 1980-07-01 Westinghouse Electric Corp. HID Lamp emission material
KR900008794B1 (ko) * 1986-06-11 1990-11-29 티 디 케이 가부시끼가이샤 방전 램프장치
KR920001844B1 (ko) * 1986-07-15 1992-03-05 티디 케이 가부시기가이샤 냉음극형 방전 등 장치
US5278474A (en) * 1989-01-12 1994-01-11 Tokyo Densoku Kabushiki Kaisha Discharge tube
JPH04174951A (ja) * 1990-07-19 1992-06-23 Tokyo Densoku Kk 放電管
US5627430A (en) * 1994-06-29 1997-05-06 Ushiodenki Kabushiki Kaisha Discharge lamp having a cathode with a sintered tip insert
DE69507283T2 (de) * 1994-11-08 1999-07-01 Koninklijke Philips Electronics N.V., Eindhoven Niederdruckentladundslampe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6477857A (en) * 1987-09-18 1989-03-23 Tdk Corp Cold cathode discharge apparatus
JPH0443546A (ja) * 1990-06-08 1992-02-13 Tdk Corp 放電電極
JPH04272109A (ja) * 1991-02-27 1992-09-28 Toshiba Corp 冷陰極蛍光ランプ用電極材料およびそれからなる電極
US5336970A (en) * 1991-12-26 1994-08-09 At&T Bell Laboratories Gas tube protector
EP0612093A1 (de) * 1993-02-16 1994-08-24 Jacques Villain Kaltkathode für eine Gasentladungsröhre mit einer Erdalkalimetallschicht auf einem metallischen Träger
JPH07142027A (ja) * 1993-11-17 1995-06-02 Noritake Co Ltd 放電管

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 298 (E - 784) 10 July 1989 (1989-07-10) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 230 (E - 1208) 27 May 1992 (1992-05-27) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 064 (M - 1364) 8 February 1993 (1993-02-08) *
PATENT ABSTRACTS OF JAPAN vol. 095, no. 009 31 October 1995 (1995-10-31) *

Also Published As

Publication number Publication date
HUP9700799A3 (en) 1999-10-28
US5880558A (en) 1999-03-09
HU9700799D0 (en) 1997-06-30
CA2203330A1 (en) 1997-10-24
EP0803898A2 (de) 1997-10-29
DE19616408A1 (de) 1997-10-30
HUP9700799A2 (hu) 1998-04-28
KR970071987A (ko) 1997-11-07
CN1170954A (zh) 1998-01-21
HU218818B (hu) 2000-12-28
TW320733B (de) 1997-11-21
JPH1050252A (ja) 1998-02-20

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