EP2105946A3 - Lampe de décharge haute pression - Google Patents

Lampe de décharge haute pression Download PDF

Info

Publication number
EP2105946A3
EP2105946A3 EP09004063A EP09004063A EP2105946A3 EP 2105946 A3 EP2105946 A3 EP 2105946A3 EP 09004063 A EP09004063 A EP 09004063A EP 09004063 A EP09004063 A EP 09004063A EP 2105946 A3 EP2105946 A3 EP 2105946A3
Authority
EP
European Patent Office
Prior art keywords
discharge lamp
pressure discharge
earth elements
rare earth
discharge
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Withdrawn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
EP09004063A
Other languages
German (de)
English (en)
Other versions
EP2105946A2 (fr
Inventor
Akihito Tauchi
Atsushi Fujioka
Chikako Ichimura
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
Harison Toshiba Lighting 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 Harison Toshiba Lighting Corp filed Critical Harison Toshiba Lighting Corp
Publication of EP2105946A2 publication Critical patent/EP2105946A2/fr
Publication of EP2105946A3 publication Critical patent/EP2105946A3/fr
Withdrawn legal-status Critical Current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
    • H01J61/073—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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
    • 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
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP09004063A 2008-03-26 2009-03-20 Lampe de décharge haute pression Withdrawn EP2105946A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008081083 2008-03-26

Publications (2)

Publication Number Publication Date
EP2105946A2 EP2105946A2 (fr) 2009-09-30
EP2105946A3 true EP2105946A3 (fr) 2012-02-08

Family

ID=40875120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09004063A Withdrawn EP2105946A3 (fr) 2008-03-26 2009-03-20 Lampe de décharge haute pression

Country Status (4)

Country Link
EP (1) EP2105946A3 (fr)
JP (1) JP2009259790A (fr)
KR (1) KR20090102712A (fr)
TW (1) TWI437610B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2476508A4 (fr) * 2009-10-19 2016-04-13 Nippon Tungsten Matériau cathode en tungstène
JP6098271B2 (ja) * 2013-03-25 2017-03-22 ウシオ電機株式会社 ショートアーク型放電ランプ
JP6086253B2 (ja) * 2014-08-28 2017-03-01 ウシオ電機株式会社 ロングアーク型放電ランプ
JP2017068954A (ja) * 2015-09-29 2017-04-06 東芝ライテック株式会社 放電ランプ
JP6972383B2 (ja) * 2018-11-19 2021-11-24 株式会社東芝 放電ランプ用カソード部品および放電ランプ

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4989371A (fr) * 1972-12-29 1974-08-27
JPH03283254A (ja) * 1990-03-30 1991-12-13 Ushio Inc 高圧放電灯
JPH04137350A (ja) * 1990-09-27 1992-05-12 Iwasaki Electric Co Ltd メタルハライドランプ
JPH05290802A (ja) * 1992-04-16 1993-11-05 Ushio Inc 放電灯用電極
JPH11273618A (ja) * 1998-03-26 1999-10-08 Tokyo Tungsten Co Ltd 放電電極材料及びその製造方法
WO2003075310A1 (fr) * 2002-03-05 2003-09-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe a decharge haute pression a arc court
JP2005285676A (ja) * 2004-03-30 2005-10-13 Nippon Tungsten Co Ltd 放電灯用電極
US20060220559A1 (en) * 2005-03-31 2006-10-05 Ushio Denki Kabushiki Kaisha High-load and high-intensity discharge lamp

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03225742A (ja) * 1990-01-30 1991-10-04 Ushio Inc ショートアーク放電灯
JP2851727B2 (ja) * 1991-08-23 1999-01-27 ウシオ電機株式会社 放電灯用電極
JP3882093B2 (ja) * 1995-10-12 2007-02-14 東邦金属株式会社 タングステン電極材及びその熱処理法
JP3267212B2 (ja) * 1997-09-25 2002-03-18 松下電器産業株式会社 高圧放電ランプ用電極とその製造方法
JP4433251B2 (ja) * 1999-12-20 2010-03-17 東芝ライテック株式会社 交流点灯用メタルハライドランプおよび照明装置
JP3764315B2 (ja) * 2000-02-10 2006-04-05 株式会社アライドマテリアル タングステン材料とその製造方法
JP2002110089A (ja) * 2000-09-28 2002-04-12 Toshiba Lighting & Technology Corp 電極とそれを用いた放電ランプおよび光学装置
JP2002110091A (ja) * 2000-09-29 2002-04-12 Toshiba Lighting & Technology Corp 電極材料、高圧放電ランプおよび照明装置
JP2007179849A (ja) 2005-12-27 2007-07-12 Toshiba Lighting & Technology Corp 高圧放電ランプおよび高圧放電ランプの製造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4989371A (fr) * 1972-12-29 1974-08-27
JPH03283254A (ja) * 1990-03-30 1991-12-13 Ushio Inc 高圧放電灯
JPH04137350A (ja) * 1990-09-27 1992-05-12 Iwasaki Electric Co Ltd メタルハライドランプ
JPH05290802A (ja) * 1992-04-16 1993-11-05 Ushio Inc 放電灯用電極
JPH11273618A (ja) * 1998-03-26 1999-10-08 Tokyo Tungsten Co Ltd 放電電極材料及びその製造方法
WO2003075310A1 (fr) * 2002-03-05 2003-09-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe a decharge haute pression a arc court
JP2005285676A (ja) * 2004-03-30 2005-10-13 Nippon Tungsten Co Ltd 放電灯用電極
US20060220559A1 (en) * 2005-03-31 2006-10-05 Ushio Denki Kabushiki Kaisha High-load and high-intensity discharge lamp

Also Published As

Publication number Publication date
EP2105946A2 (fr) 2009-09-30
TWI437610B (zh) 2014-05-11
JP2009259790A (ja) 2009-11-05
KR20090102712A (ko) 2009-09-30
TW201003721A (en) 2010-01-16

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