EP0887840A3 - Metal halide lamp with ceramic discharge vessel - Google Patents

Metal halide lamp with ceramic discharge vessel Download PDF

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Publication number
EP0887840A3
EP0887840A3 EP98110523A EP98110523A EP0887840A3 EP 0887840 A3 EP0887840 A3 EP 0887840A3 EP 98110523 A EP98110523 A EP 98110523A EP 98110523 A EP98110523 A EP 98110523A EP 0887840 A3 EP0887840 A3 EP 0887840A3
Authority
EP
European Patent Office
Prior art keywords
halide lamp
discharge vessel
metal halide
ceramic discharge
ceramic
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.)
Granted
Application number
EP98110523A
Other languages
German (de)
French (fr)
Other versions
EP0887840B1 (en
EP0887840A2 (en
Inventor
Stefan Dr. Jüngst
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 EP0887840A2 publication Critical patent/EP0887840A2/en
Publication of EP0887840A3 publication Critical patent/EP0887840A3/en
Application granted granted Critical
Publication of EP0887840B1 publication Critical patent/EP0887840B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/36Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/361Seals between parts of vessel
    • H01J61/363End-disc seals or plug seals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395Filling vessels
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/40Closing vessels
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/82Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827Metal halide arc lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

Zumindest bei einem Ende (6a) der Metallhalogenidlampe mit keramischem Entladungsgefäß besteht der Stopfen (11) aus mindestens vier axial angeordneten Schichten aus Cermet, deren Metallgehalt von innen nach außen zunimmt. Die äußerste Schicht ist mit der Durchführung (9) verschweißt.

Figure 00000001
At least at one end (6a) of the metal halide lamp with ceramic discharge vessel, the stopper (11) consists of at least four axially arranged layers of cermet, the metal content of which increases from the inside to the outside. The outermost layer is welded to the bushing (9).
Figure 00000001

EP98110523A 1997-06-27 1998-06-09 Metal halide lamp with ceramic discharge vessel Expired - Lifetime EP0887840B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19727428A DE19727428A1 (en) 1997-06-27 1997-06-27 Metal halide lamp with ceramic discharge tube
DE19727428 1997-06-27

Publications (3)

Publication Number Publication Date
EP0887840A2 EP0887840A2 (en) 1998-12-30
EP0887840A3 true EP0887840A3 (en) 1999-03-24
EP0887840B1 EP0887840B1 (en) 2003-02-19

Family

ID=7833874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98110523A Expired - Lifetime EP0887840B1 (en) 1997-06-27 1998-06-09 Metal halide lamp with ceramic discharge vessel

Country Status (8)

Country Link
US (1) US6194832B1 (en)
EP (1) EP0887840B1 (en)
JP (1) JPH1173919A (en)
CN (1) CN1149626C (en)
AT (1) ATE233018T1 (en)
CA (1) CA2241656A1 (en)
DE (2) DE19727428A1 (en)
HU (1) HU221365B1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3736710B2 (en) * 1997-09-08 2006-01-18 ウシオ電機株式会社 Electric introduction for tube
DE60010967T2 (en) * 1999-04-06 2005-06-09 Ushiodenki K.K. Lamp sealing with a dependent gradient
DE19957561A1 (en) * 1999-11-30 2001-05-31 Philips Corp Intellectual Pty High-pressure gas discharge lamp has two tungsten electrodes, each on holder in electrode chamber and with diameter less than 500 microns, at least one electrode completely within chamber
AU745886B2 (en) * 1999-12-20 2002-04-11 Toshiba Lighting & Technology Corporation A high-pressure metal halide A.C. discharge lamp and a lighting apparatus using the lamp
EP1271614B1 (en) * 2001-06-27 2005-09-21 Matsushita Electric Industrial Co., Ltd. Metal Halide Lamp
DE10214777A1 (en) * 2002-04-03 2003-10-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metal halide lamp with ceramic discharge tube
WO2004049390A2 (en) * 2002-11-25 2004-06-10 Philips Intellectual Property & Standards Gmbh Ceramic disharge vessel with an end part tightening coating layer
DE60331467D1 (en) * 2002-11-25 2010-04-08 Philips Intellectual Property CALIPER GAS DISCHARGE LAMP AND METHOD OF MANUFACTURE
JP4741843B2 (en) * 2002-11-25 2011-08-10 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 Clear end-closing member with feedthrough
US7525252B2 (en) * 2002-12-27 2009-04-28 General Electric Company Sealing tube material for high pressure short-arc discharge lamps
DE102004014211A1 (en) * 2004-03-23 2005-10-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Incandescent lamp with carbide-containing filament
DE102004015467B4 (en) * 2004-03-26 2007-12-27 W.C. Heraeus Gmbh Electrode system with a current feed through a ceramic component
WO2005109471A2 (en) * 2004-05-10 2005-11-17 Koninklijke Philips Electronics N.V. High-pressure discharge lamp with a closing member comprising a cermet
JP2008518390A (en) * 2004-10-25 2008-05-29 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 Discharge lamp
JP4454527B2 (en) * 2005-03-31 2010-04-21 日本碍子株式会社 Arc tube and high pressure discharge lamp
JP2006283077A (en) * 2005-03-31 2006-10-19 Ngk Insulators Ltd Compound object
US7852006B2 (en) * 2005-06-30 2010-12-14 General Electric Company Ceramic lamp having molybdenum-rhenium end cap and systems and methods therewith
DE102005058895A1 (en) * 2005-12-09 2007-06-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH metal halide
DE102005058897A1 (en) * 2005-12-09 2007-06-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH metal halide
DE102005058896A1 (en) * 2005-12-09 2007-06-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH High pressure discharge lamp with ceramic discharge vessel
DE102007044629A1 (en) * 2007-09-19 2009-04-02 Osram Gesellschaft mit beschränkter Haftung High pressure discharge lamp
CN100570810C (en) * 2008-11-19 2009-12-16 宁波亚茂照明电器有限公司 Ceramic metal halide lamp arc tube
JP5927676B2 (en) 2010-04-02 2016-06-01 フィリップス ライティング ホールディング ビー ヴィ Ceramic metal halide lamp with feedthrough with iridium wire

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148981A (en) * 1961-04-21 1964-09-15 Nat Beryllia Corp Metal-oxide gradient ceramic bodies
US4155758A (en) * 1975-12-09 1979-05-22 Thorn Electrical Industries Limited Lamps and discharge devices and materials therefor
US4400647A (en) * 1981-08-24 1983-08-23 North American Philips Consumer Electronics Corp. Cathode structure for cathode ray tubes and method
US4404492A (en) * 1981-08-24 1983-09-13 North American Philips Consumer Electronics Corp. Cathode structure for cathode ray tubes and method for producing same
US4881009A (en) * 1983-12-05 1989-11-14 Gte Products Corporation Electrode for high intensity discharge lamps
EP0650184A1 (en) * 1992-07-09 1995-04-26 Toto Ltd. Structure of sealing part of arc tube and method of manufacturing the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4602956A (en) 1984-12-17 1986-07-29 North American Philips Lighting Corporation Cermet composites, process for producing them and arc tube incorporating them
DE3636110A1 (en) * 1986-10-23 1988-04-28 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh MELTING DOWN A HIGH PRESSURE DISCHARGE LAMP
US5404078A (en) 1991-08-20 1995-04-04 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp and method of manufacture
DE9112690U1 (en) 1991-10-11 1991-12-05 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München High pressure discharge lamp
US5742123A (en) * 1992-07-09 1998-04-21 Toto Ltd. Sealing structure for light-emitting bulb assembly and method of manufacturing same
ES2150433T3 (en) 1992-09-08 2000-12-01 Koninkl Philips Electronics Nv HIGH PRESSURE DISCHARGE LAMP.
EP0609477B1 (en) 1993-02-05 1999-05-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Ceramic discharge vessel for high-pressure lamps, method of manufacturing same, and related sealing material
US5861714A (en) * 1997-06-27 1999-01-19 Osram Sylvania Inc. Ceramic envelope device, lamp with such a device, and method of manufacture of such devices

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148981A (en) * 1961-04-21 1964-09-15 Nat Beryllia Corp Metal-oxide gradient ceramic bodies
US4155758A (en) * 1975-12-09 1979-05-22 Thorn Electrical Industries Limited Lamps and discharge devices and materials therefor
US4400647A (en) * 1981-08-24 1983-08-23 North American Philips Consumer Electronics Corp. Cathode structure for cathode ray tubes and method
US4404492A (en) * 1981-08-24 1983-09-13 North American Philips Consumer Electronics Corp. Cathode structure for cathode ray tubes and method for producing same
US4881009A (en) * 1983-12-05 1989-11-14 Gte Products Corporation Electrode for high intensity discharge lamps
EP0650184A1 (en) * 1992-07-09 1995-04-26 Toto Ltd. Structure of sealing part of arc tube and method of manufacturing the same

Also Published As

Publication number Publication date
EP0887840B1 (en) 2003-02-19
JPH1173919A (en) 1999-03-16
US6194832B1 (en) 2001-02-27
HU9801468D0 (en) 1998-08-28
DE19727428A1 (en) 1999-01-07
HUP9801468A3 (en) 2001-02-28
CN1204857A (en) 1999-01-13
EP0887840A2 (en) 1998-12-30
DE59807230D1 (en) 2003-03-27
CN1149626C (en) 2004-05-12
HU221365B1 (en) 2002-09-28
CA2241656A1 (en) 1998-12-27
HUP9801468A2 (en) 1999-01-28
ATE233018T1 (en) 2003-03-15

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