EP1041603A4 - High-voltage discharge lamp and lighting device - Google Patents

High-voltage discharge lamp and lighting device

Info

Publication number
EP1041603A4
EP1041603A4 EP99929830A EP99929830A EP1041603A4 EP 1041603 A4 EP1041603 A4 EP 1041603A4 EP 99929830 A EP99929830 A EP 99929830A EP 99929830 A EP99929830 A EP 99929830A EP 1041603 A4 EP1041603 A4 EP 1041603A4
Authority
EP
European Patent Office
Prior art keywords
lighting device
discharge lamp
voltage discharge
voltage
lamp
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Withdrawn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
EP99929830A
Other languages
German (de)
French (fr)
Other versions
EP1041603A1 (en
Inventor
Hisashi Honda
Seiji Ashida
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.)
Toshiba Lighting and Technology Corp
Original Assignee
Toshiba Lighting and Technology Corp
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 Toshiba Lighting and Technology Corp filed Critical Toshiba Lighting and Technology Corp
Publication of EP1041603A1 publication Critical patent/EP1041603A1/en
Publication of EP1041603A4 publication Critical patent/EP1041603A4/en
Withdrawn legal-status Critical Current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
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • 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
    • H01J61/073—Main electrodes for high-pressure 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
EP99929830A 1998-07-24 1999-07-14 High-voltage discharge lamp and lighting device Withdrawn EP1041603A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP21012098 1998-07-24
JP21012098A JP4297227B2 (en) 1998-07-24 1998-07-24 High pressure discharge lamp and lighting device
PCT/JP1999/003797 WO2000005746A1 (en) 1998-07-24 1999-07-14 High-voltage discharge lamp and lighting device

Publications (2)

Publication Number Publication Date
EP1041603A1 EP1041603A1 (en) 2000-10-04
EP1041603A4 true EP1041603A4 (en) 2001-11-07

Family

ID=16584136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99929830A Withdrawn EP1041603A4 (en) 1998-07-24 1999-07-14 High-voltage discharge lamp and lighting device

Country Status (4)

Country Link
EP (1) EP1041603A4 (en)
JP (1) JP4297227B2 (en)
KR (1) KR100354851B1 (en)
WO (1) WO2000005746A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6414436B1 (en) 1999-02-01 2002-07-02 Gem Lighting Llc Sapphire high intensity discharge projector lamp
DE10044683A1 (en) * 2000-09-08 2002-03-21 Philips Corp Intellectual Pty Gas discharge lamp
JP4892807B2 (en) * 2001-09-26 2012-03-07 岩崎電気株式会社 Metal vapor discharge lamp and manufacturing method thereof
JP2003132839A (en) 2001-10-30 2003-05-09 Matsushita Electric Ind Co Ltd Metal halide lamp
JP4037142B2 (en) * 2002-03-27 2008-01-23 東芝ライテック株式会社 Metal halide lamp and automotive headlamp device
US7262553B2 (en) * 2003-06-26 2007-08-28 Matsushita Electric Industrial Co., Ltd. High efficacy metal halide lamp with configured discharge chamber
JP2017027765A (en) 2015-07-22 2017-02-02 セイコーエプソン株式会社 Discharge lamp, method of manufacturing discharge lamp, light source device and projector
JP2017041396A (en) 2015-08-21 2017-02-23 セイコーエプソン株式会社 Discharge lamp, light source device and projector

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475061A (en) * 1980-09-05 1984-10-02 U.S. Philips Corporation High-pressure discharge lamp current supply member and mounting seal construction
EP0156383A2 (en) * 1984-03-27 1985-10-02 GTE Products Corporation Electrode alignment and capsule design for single-ended low wattage metal halide lamps
US4779026A (en) * 1986-05-14 1988-10-18 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen M.B.H. Rapid-start high-pressure discharge lamp, and method of its operation
EP0443964A1 (en) * 1990-02-23 1991-08-28 Welch Allyn, Inc. Low watt metal halide lamp
EP0841687A2 (en) * 1996-11-07 1998-05-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Ceramic discharge vessel
WO1999005700A1 (en) * 1997-07-25 1999-02-04 Toshiba Lighting & Technology Corporation High-voltage discharge lamp, high-voltage discharge lamp device, and lighting device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5239230A (en) * 1992-03-27 1993-08-24 General Electric Company High brightness discharge light source
US5497049A (en) * 1992-06-23 1996-03-05 U.S. Philips Corporation High pressure mercury discharge lamp
US5424609A (en) * 1992-09-08 1995-06-13 U.S. Philips Corporation High-pressure discharge lamp
DE4310539A1 (en) * 1993-03-31 1994-10-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metal halide high-pressure discharge lamp for installation in optical systems
JPH07240184A (en) * 1994-02-28 1995-09-12 Toshiba Lighting & Technol Corp Ceramic discharge lamp, projector device using this lamp, and manufacture of ceramic discharge lamp
JPH1083795A (en) * 1996-09-06 1998-03-31 Toshiba Lighting & Technol Corp High pressure discharge lamp, lamp lighting device, and lighting system
JPH10172508A (en) * 1996-12-10 1998-06-26 Koito Mfg Co Ltd Arc tube for discharge lamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475061A (en) * 1980-09-05 1984-10-02 U.S. Philips Corporation High-pressure discharge lamp current supply member and mounting seal construction
EP0156383A2 (en) * 1984-03-27 1985-10-02 GTE Products Corporation Electrode alignment and capsule design for single-ended low wattage metal halide lamps
US4779026A (en) * 1986-05-14 1988-10-18 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen M.B.H. Rapid-start high-pressure discharge lamp, and method of its operation
EP0443964A1 (en) * 1990-02-23 1991-08-28 Welch Allyn, Inc. Low watt metal halide lamp
EP0841687A2 (en) * 1996-11-07 1998-05-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Ceramic discharge vessel
WO1999005700A1 (en) * 1997-07-25 1999-02-04 Toshiba Lighting & Technology Corporation High-voltage discharge lamp, high-voltage discharge lamp device, and lighting device
EP0935278A1 (en) * 1997-07-25 1999-08-11 Toshiba Lighting & Technology Corporation High-voltage discharge lamp, high-voltage discharge lamp device, and lighting device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0005746A1 *

Also Published As

Publication number Publication date
KR20010023968A (en) 2001-03-26
JP4297227B2 (en) 2009-07-15
KR100354851B1 (en) 2002-10-05
EP1041603A1 (en) 2000-10-04
JP2000048769A (en) 2000-02-18
WO2000005746A1 (en) 2000-02-03

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Legal Events

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