EP0650184B1 - Structure of sealing part of arc tube and method of manufacturing the same - Google Patents

Structure of sealing part of arc tube and method of manufacturing the same Download PDF

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Publication number
EP0650184B1
EP0650184B1 EP93914987A EP93914987A EP0650184B1 EP 0650184 B1 EP0650184 B1 EP 0650184B1 EP 93914987 A EP93914987 A EP 93914987A EP 93914987 A EP93914987 A EP 93914987A EP 0650184 B1 EP0650184 B1 EP 0650184B1
Authority
EP
European Patent Office
Prior art keywords
bulb
core
side region
layer
light
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
EP93914987A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0650184A4 (en
EP0650184A1 (en
Inventor
Hiroyuki Toto Ltd Nagayama
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.)
Toto Ltd
Original Assignee
Toto Ltd
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 Toto Ltd filed Critical Toto Ltd
Publication of EP0650184A1 publication Critical patent/EP0650184A1/en
Publication of EP0650184A4 publication Critical patent/EP0650184A4/en
Application granted granted Critical
Publication of EP0650184B1 publication Critical patent/EP0650184B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/26—Sealing together parts of vessels
    • H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
    • H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/361—Seals between parts of vessel
    • H01J61/363—End-disc seals or plug seals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/366—Seals for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP93914987A 1992-07-09 1993-07-09 Structure of sealing part of arc tube and method of manufacturing the same Expired - Lifetime EP0650184B1 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP206092/92 1992-07-09
JP20609292 1992-07-09
JP20609292 1992-07-09
JP32367692 1992-11-09
JP32367692 1992-11-09
JP323676/92 1992-11-09
JP2868293 1993-01-25
JP28682/93 1993-01-25
JP2868293 1993-01-25
PCT/JP1993/000959 WO1994001884A1 (en) 1992-07-09 1993-07-09 Structure of sealing part of arc tube and method of manufacturing the same

Publications (3)

Publication Number Publication Date
EP0650184A1 EP0650184A1 (en) 1995-04-26
EP0650184A4 EP0650184A4 (en) 1997-05-07
EP0650184B1 true EP0650184B1 (en) 2002-06-05

Family

ID=27286281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93914987A Expired - Lifetime EP0650184B1 (en) 1992-07-09 1993-07-09 Structure of sealing part of arc tube and method of manufacturing the same

Country Status (7)

Country Link
EP (1) EP0650184B1 (ja)
JP (1) JP3456212B2 (ja)
KR (1) KR100303570B1 (ja)
AU (1) AU4514593A (ja)
CA (1) CA2139839A1 (ja)
DE (1) DE69331991T2 (ja)
WO (1) WO1994001884A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8299709B2 (en) 2007-02-05 2012-10-30 General Electric Company Lamp having axially and radially graded structure

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742123A (en) * 1992-07-09 1998-04-21 Toto Ltd. Sealing structure for light-emitting bulb assembly and method of manufacturing same
US6020685A (en) * 1997-06-27 2000-02-01 Osram Sylvania Inc. Lamp with radially graded cermet feedthrough assembly
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
DE19727429A1 (de) 1997-06-27 1999-01-07 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenidlampe mit keramischem Entladungsgefäß
DE19727428A1 (de) * 1997-06-27 1999-01-07 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenidlampe mit keramischem Entladungsgefäß
JP3736710B2 (ja) 1997-09-08 2006-01-18 ウシオ電機株式会社 管球用電気導入体
JP3628854B2 (ja) * 1997-11-14 2005-03-16 日本碍子株式会社 高圧放電灯及びその製造方法
EP1107286A1 (en) * 1999-12-02 2001-06-13 Ushiodenki Kabushiki Kaisha High pressure mercury lamp
US6873108B2 (en) 2001-09-14 2005-03-29 Osram Sylvania Inc. Monolithic seal for a sapphire metal halide lamp
JP2003346722A (ja) * 2002-05-28 2003-12-05 Nec Lighting Ltd 高圧放電ランプおよびその製造方法
JPWO2005029535A1 (ja) * 2003-09-22 2006-11-30 松下電器産業株式会社 メタルハライドランプ
DE602005027564D1 (de) * 2004-06-08 2011-06-01 Ngk Ceramic Device Co Ltd Lichtemittierender behälter und lichtemittierender behälter für eine hochdruck-entladungslampe
EP1757567A4 (en) * 2004-06-08 2011-02-02 Ngk Insulators Ltd Brittle material METAL CONSTRUCTION
JP4585823B2 (ja) * 2004-09-24 2010-11-24 東芝ライテック株式会社 管球および封止部材
WO2006046172A1 (en) * 2004-10-25 2006-05-04 Koninklijke Philips Electronics N.V. Electric discharge lamp
US20060211568A1 (en) 2005-03-16 2006-09-21 Osram Sylvania Inc. High Total Transmittance Alumina Discharge Vessels Having Submicron Grain Size
JP4454527B2 (ja) * 2005-03-31 2010-04-21 日本碍子株式会社 発光管及び高圧放電灯
US7247591B2 (en) 2005-05-26 2007-07-24 Osram Sylvania Inc. Translucent PCA ceramic, ceramic discharge vessel, and method of making
JP5262911B2 (ja) * 2009-03-30 2013-08-14 パナソニック株式会社 放電管及び放電管の製造方法
US20140073215A1 (en) * 2012-09-12 2014-03-13 General Electric Company Reduced mass end plugs for voidless cmh lamps

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2032277A1 (de) * 1970-06-25 1971-12-30 Egyesuelt Izzolampa Stromzuführungskonstruktion fur kera mische Entladungslampen
JPH01302652A (ja) * 1988-05-30 1989-12-06 Toshiba Lighting & Technol Corp セラミック放電灯
JPH0215557A (ja) * 1988-07-04 1990-01-19 Toshiba Lighting & Technol Corp 高圧ナトリウムランプ
JPH06724B2 (ja) * 1988-12-08 1994-01-05 田辺製薬株式会社 ナフタレン誘導体
US5404078A (en) * 1991-08-20 1995-04-04 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp and method of manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8299709B2 (en) 2007-02-05 2012-10-30 General Electric Company Lamp having axially and radially graded structure

Also Published As

Publication number Publication date
DE69331991D1 (de) 2002-07-11
DE69331991T2 (de) 2002-09-19
AU4514593A (en) 1994-01-31
EP0650184A4 (en) 1997-05-07
WO1994001884A1 (en) 1994-01-20
CA2139839A1 (en) 1994-01-20
JP3456212B2 (ja) 2003-10-14
EP0650184A1 (en) 1995-04-26
KR100303570B1 (ko) 2001-12-01

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