JP4714418B2 - 放電ランプ - Google Patents

放電ランプ Download PDF

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Publication number
JP4714418B2
JP4714418B2 JP2004057757A JP2004057757A JP4714418B2 JP 4714418 B2 JP4714418 B2 JP 4714418B2 JP 2004057757 A JP2004057757 A JP 2004057757A JP 2004057757 A JP2004057757 A JP 2004057757A JP 4714418 B2 JP4714418 B2 JP 4714418B2
Authority
JP
Japan
Prior art keywords
cathode
arc
lamp
discharge lamp
convex
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
JP2004057757A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005251471A (ja
Inventor
茂治 細谷
浩 神山
基裕 酒井
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.)
Ushio Denki KK
Original Assignee
Ushio Denki KK
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 Ushio Denki KK filed Critical Ushio Denki KK
Priority to JP2004057757A priority Critical patent/JP4714418B2/ja
Priority to TW093134484A priority patent/TW200531120A/zh
Priority to KR1020050006326A priority patent/KR100764385B1/ko
Priority to DE102005007767A priority patent/DE102005007767B4/de
Priority to US11/067,951 priority patent/US7759872B2/en
Priority to CNB2005100531124A priority patent/CN100550276C/zh
Publication of JP2005251471A publication Critical patent/JP2005251471A/ja
Application granted granted Critical
Publication of JP4714418B2 publication Critical patent/JP4714418B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/06Main electrodes
    • H01J61/073Main electrodes for high-pressure discharge lamps
    • H01J61/0732Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/84Lamps with discharge constricted by high pressure
    • H01J61/86Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0064Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065Electrode systems
    • H01J2893/0066Construction, material, support, protection and temperature regulation of electrodes; Electrode cups

Landscapes

  • Discharge Lamp (AREA)
JP2004057757A 2004-03-02 2004-03-02 放電ランプ Expired - Lifetime JP4714418B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2004057757A JP4714418B2 (ja) 2004-03-02 2004-03-02 放電ランプ
TW093134484A TW200531120A (en) 2004-03-02 2004-11-11 Discharge lamp
KR1020050006326A KR100764385B1 (ko) 2004-03-02 2005-01-24 방전 램프
DE102005007767A DE102005007767B4 (de) 2004-03-02 2005-02-19 Entladungslampe mit einer speziell geformten Kathode zur Verhinderung des Schwankungsphänomens des Lichtbogens
US11/067,951 US7759872B2 (en) 2004-03-02 2005-03-01 Discharge lamp
CNB2005100531124A CN100550276C (zh) 2004-03-02 2005-03-02 放电灯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004057757A JP4714418B2 (ja) 2004-03-02 2004-03-02 放電ランプ

Publications (2)

Publication Number Publication Date
JP2005251471A JP2005251471A (ja) 2005-09-15
JP4714418B2 true JP4714418B2 (ja) 2011-06-29

Family

ID=34879835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004057757A Expired - Lifetime JP4714418B2 (ja) 2004-03-02 2004-03-02 放電ランプ

Country Status (6)

Country Link
US (1) US7759872B2 (https=)
JP (1) JP4714418B2 (https=)
KR (1) KR100764385B1 (https=)
CN (1) CN100550276C (https=)
DE (1) DE102005007767B4 (https=)
TW (1) TW200531120A (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7652430B1 (en) * 2005-07-11 2010-01-26 Kla-Tencor Technologies Corporation Broadband plasma light sources with cone-shaped electrode for substrate processing
JP4830638B2 (ja) * 2006-05-29 2011-12-07 ウシオ電機株式会社 高圧放電ランプ
WO2008055550A1 (de) * 2006-11-10 2008-05-15 Osram Gesellschaft mit beschränkter Haftung Elektrode, insbesondere kathode, für eine entladungslampe
DE102006061375B4 (de) 2006-12-22 2019-01-03 Osram Gmbh Quecksilber-Hochdruckentladungslampe mit einer Wolfram und Kalium enthaltenden Anode, die eine Kornzahl größer 200 Körner pro mm2 und eine Dichte größer 19,05g/cm3 aufweist
JP4993478B2 (ja) * 2007-03-23 2012-08-08 株式会社オーク製作所 放電ランプ及びその電極の製造方法
JP4868036B2 (ja) * 2009-07-31 2012-02-01 ウシオ電機株式会社 高圧放電ランプ
JP5369360B2 (ja) * 2009-09-11 2013-12-18 岩崎電気株式会社 光源用電極
TWM403094U (en) * 2010-05-26 2011-05-01 Arclite Optronics Corp Structure of gas discharge lamp
JP5056916B2 (ja) * 2010-07-12 2012-10-24 ウシオ電機株式会社 高圧放電ランプ
JP5664602B2 (ja) * 2012-07-10 2015-02-04 ウシオ電機株式会社 ショートアーク型水銀ランプ
JP6633826B2 (ja) * 2014-09-24 2020-01-22 株式会社オーク製作所 放電ランプ
JP6647678B2 (ja) * 2015-12-02 2020-02-14 岩崎電気株式会社 ショートアーク型放電ランプ
DE102018206770A1 (de) * 2018-05-02 2019-11-07 Osram Gmbh Elektrode für eine Entladungslampe, Entladungslampe und Verfahren zum Herstellen einer Elektrode
JP7413939B2 (ja) 2020-06-29 2024-01-16 ウシオ電機株式会社 ショートアーク型放電ランプ
JP2024012866A (ja) * 2022-07-19 2024-01-31 ウシオ電機株式会社 映写機用キセノンランプ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2107921A (en) * 1981-10-15 1983-05-05 Emi Plc Thorn Discharge lamp electrode
JPH09231946A (ja) * 1996-02-23 1997-09-05 Ushio Inc ショートアーク型放電ランプ
JPH11102662A (ja) * 1997-09-25 1999-04-13 Ushio Inc ショートアーク型放電ランプ
DE19749908A1 (de) * 1997-11-11 1999-05-12 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrodenbauteil für Entladungslampen
DE20005534U1 (de) * 2000-03-29 2000-06-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München Kurzbogenlampe
JP4512968B2 (ja) * 2000-08-03 2010-07-28 ウシオ電機株式会社 ショートアーク型高圧放電ランプ
JP2003077416A (ja) * 2001-08-30 2003-03-14 Ushio Inc ショートアーク型水銀放電ランプ
JP3838110B2 (ja) * 2002-01-31 2006-10-25 ウシオ電機株式会社 放電ランプ用陽電極およびショートアーク放電ランプ
JP2003257363A (ja) * 2002-03-01 2003-09-12 Ushio Inc ショートアーク型放電ランプ

Also Published As

Publication number Publication date
JP2005251471A (ja) 2005-09-15
CN1664982A (zh) 2005-09-07
TW200531120A (en) 2005-09-16
KR100764385B1 (ko) 2007-10-08
DE102005007767B4 (de) 2012-09-27
US20050194904A1 (en) 2005-09-08
US7759872B2 (en) 2010-07-20
CN100550276C (zh) 2009-10-14
DE102005007767A1 (de) 2005-09-22
TWI320576B (https=) 2010-02-11
KR20050088932A (ko) 2005-09-07

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