EP1104933A3 - Gasentladungslampe mit Oxidemitter-Elektrode - Google Patents

Gasentladungslampe mit Oxidemitter-Elektrode Download PDF

Info

Publication number
EP1104933A3
EP1104933A3 EP00204147A EP00204147A EP1104933A3 EP 1104933 A3 EP1104933 A3 EP 1104933A3 EP 00204147 A EP00204147 A EP 00204147A EP 00204147 A EP00204147 A EP 00204147A EP 1104933 A3 EP1104933 A3 EP 1104933A3
Authority
EP
European Patent Office
Prior art keywords
oxide
discharge lamp
gas discharge
group
emitter electrode
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Withdrawn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
EP00204147A
Other languages
English (en)
French (fr)
Other versions
EP1104933A2 (de
Inventor
Georg Dr. Philips Corp. Intel.Prop.GmbH Gärtner
Willem Jacobus Dr. Van Den Hoek
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Intellectual Property and Standards GmbH
Koninklijke Philips Electronics NV
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 Philips Intellectual Property and Standards GmbH, Koninklijke Philips Electronics NV filed Critical Philips Intellectual Property and Standards GmbH
Publication of EP1104933A2 publication Critical patent/EP1104933A2/de
Publication of EP1104933A3 publication Critical patent/EP1104933A3/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Withdrawn legal-status Critical Current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

Landscapes

  • Discharge Lamp (AREA)

Abstract

Eine Gasentladungslampe, ausgerüstet mit einer Elektrode (2), die einen Träger aus einem Elektrodenmetall, ausgewählt aus der Gruppe des Wolframs und der wolframhaltigen Legierungen, und eine erste Beschichtung aus einem ersten elektronenemittierenden Material, das ein Erdalkalimetalloxid, ausgewählt aus der Gruppe Calciumoxid, Strontiumoxid und Bariumoxid, und ein Seltenerdmetalloxid, ausgewählt aus der Gruppe Scandiumoxid, Yttriumoxid und Europiumoxid in einem Anteil a von 0.1 bis 10 Gew.-% enthält, umfasst, zeichnet sich durch eine verlängerte Lebensdauer, eine erhöhte Vergiftungsresistenz und robustes Verhalten bei schnellem Schalten sowie eine kurze Zündphase aus.
EP00204147A 1999-11-29 2000-11-21 Gasentladungslampe mit Oxidemitter-Elektrode Withdrawn EP1104933A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19957420A DE19957420A1 (de) 1999-11-29 1999-11-29 Gasentladungslampe mit Oxidemitter-Elektrode
DE19957420 1999-11-29

Publications (2)

Publication Number Publication Date
EP1104933A2 EP1104933A2 (de) 2001-06-06
EP1104933A3 true EP1104933A3 (de) 2004-08-25

Family

ID=7930740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00204147A Withdrawn EP1104933A3 (de) 1999-11-29 2000-11-21 Gasentladungslampe mit Oxidemitter-Elektrode

Country Status (5)

Country Link
US (1) US6680574B1 (de)
EP (1) EP1104933A3 (de)
JP (1) JP2001189145A (de)
CN (1) CN1298197A (de)
DE (1) DE19957420A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10232239A1 (de) * 2002-07-17 2004-02-05 Philips Intellectual Property & Standards Gmbh Niederdruckgasentladungslampe mit Elektrode
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
DE112006002464T5 (de) * 2005-09-14 2008-07-24 Littelfuse, Inc., Des Plaines Gasgefüllter Überspannungsableiter, aktivierende Verbindung, Zündstreifen und Herstellungsverfahren dafür
US7633216B2 (en) * 2005-11-28 2009-12-15 General Electric Company Barium-free electrode materials for electric lamps and methods of manufacture thereof
US7633226B2 (en) * 2005-11-30 2009-12-15 General Electric Company Electrode materials for electric lamps and methods of manufacture thereof
US20080237541A1 (en) * 2007-03-30 2008-10-02 General Electric Company Thermo-optically functional compositions, systems and methods of making
JP2011502328A (ja) * 2007-05-10 2011-01-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ カルコゲンを含むものであるガスの充填物を備えたガス放電ランプ
US7786661B2 (en) * 2008-06-06 2010-08-31 General Electric Company Emissive electrode materials for electric lamps and methods of making
DE102009021235B4 (de) * 2009-05-14 2018-07-26 Osram Gmbh Entladungslampe mit beschichteter Elektrode
WO2011032592A1 (en) * 2009-09-17 2011-03-24 Osram Gesellschaft mit beschränkter Haftung Low-pressure discharge lamp
CN102142342B (zh) * 2011-03-03 2012-07-25 广州慧沣电子科技有限公司 一种钡钨电极的制备方法
CN103560061A (zh) * 2013-07-26 2014-02-05 江西耀宇光电科技有限公司 一种灯丝材料及其制备工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB356234A (de) * 1929-07-02 1931-09-07 The Edison Swan Electric Company Limited
US4303848A (en) * 1979-08-29 1981-12-01 Toshiba Corporation Discharge lamp and method of making same
US5847498A (en) * 1994-12-23 1998-12-08 Philips Electronics North America Corporation Multiple layer composite electrodes for discharge lamps
US5962977A (en) * 1996-12-20 1999-10-05 Ushiodenki Kabushiki Kaisha Low pressure discharge lamp having electrodes with a lithium-containing electrode emission material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL95838C (de) 1952-04-24
NL6804720A (de) * 1968-04-04 1969-10-07
US5585694A (en) * 1990-12-04 1996-12-17 North American Philips Corporation Low pressure discharge lamp having sintered "cold cathode" discharge electrodes
CN1106655C (zh) * 1996-06-20 2003-04-23 三菱电机株式会社 电子管阴极

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB356234A (de) * 1929-07-02 1931-09-07 The Edison Swan Electric Company Limited
US4303848A (en) * 1979-08-29 1981-12-01 Toshiba Corporation Discharge lamp and method of making same
US5847498A (en) * 1994-12-23 1998-12-08 Philips Electronics North America Corporation Multiple layer composite electrodes for discharge lamps
US5962977A (en) * 1996-12-20 1999-10-05 Ushiodenki Kabushiki Kaisha Low pressure discharge lamp having electrodes with a lithium-containing electrode emission material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0160, no. 95 (E - 1175) 9 March 1992 (1992-03-09) *

Also Published As

Publication number Publication date
CN1298197A (zh) 2001-06-06
US6680574B1 (en) 2004-01-20
DE19957420A1 (de) 2001-05-31
EP1104933A2 (de) 2001-06-06
JP2001189145A (ja) 2001-07-10

Similar Documents

Publication Publication Date Title
EP1104933A3 (de) Gasentladungslampe mit Oxidemitter-Elektrode
CA2162456A1 (en) Cathode material, method of preparing it and nonaqueous solvent type secondary battery having a cathode comprising it
EP0200276A1 (de) Verfahren zur Herstellung einer Vorratskathode und Verwendung dieses Verfahrens
HUP0303617A2 (hu) Nagy elektronvezető-képességű vegyület, ezt a vegyületet tartalmazó, elektrokémiai cellához szolgáló elektród, eljárás az elektród és az elektrokémiai cella előállítására
EP0845797A3 (de) Elektronenröhrenkathode
CN1041870C (zh) 氧化物阴极
EP0482704B1 (de) Oxydkathode
CA2203330A1 (en) Electrode for discharge lamp
EP0417280B1 (de) Elektrode für entladungslichtquelle
EP0373701B1 (de) Oxidkathode
EP1398822B1 (de) Quecksilber-Gasentladungsvorrichtung
RU96121013A (ru) Катод прямого накала
EP0300568A1 (de) Oxydkathode
EP1087645A3 (de) Ermittlung der verbleibenden Lebensdauer einer Leuchtstofflampe
US6674240B1 (en) Gas discharge lamp comprising an oxide emitter electrode
MY130117A (en) Cathode for electron tube
ATE420451T1 (de) Kathodenstrahlröhre mit kompositkathode
JPS62237634A (ja) デイスペンサ陰極およびその構成方法
US1843244A (en) Incandescent cathode for electron discharge devices
JPH09129118A (ja) 電子管用陰極
EP0982758A3 (de) Entladungslampe und hierfür geeignete Elektrode
JPH06223776A (ja) 蛍光ランプ用電極
SU293054A1 (ru) Никелевый сплав
WO2004049371A3 (en) Vacuum tube with oxide cathode
JPH07122177A (ja) 酸化物陰極

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V.

Owner name: PHILIPS CORPORATE INTELLECTUAL PROPERTY GMBH

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V.

Owner name: PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20050225

AKX Designation fees paid

Designated state(s): DE FR GB

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20060925