DE602006012758D1 - Ultrahochdruck-Quecksilberlampe - Google Patents

Ultrahochdruck-Quecksilberlampe

Info

Publication number
DE602006012758D1
DE602006012758D1 DE602006012758T DE602006012758T DE602006012758D1 DE 602006012758 D1 DE602006012758 D1 DE 602006012758D1 DE 602006012758 T DE602006012758 T DE 602006012758T DE 602006012758 T DE602006012758 T DE 602006012758T DE 602006012758 D1 DE602006012758 D1 DE 602006012758D1
Authority
DE
Germany
Prior art keywords
ultra
high pressure
mercury lamp
pressure mercury
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.)
Active
Application number
DE602006012758T
Other languages
English (en)
Inventor
Keiichi Matsumoto
Shoichi Terada
Tetsu Okamoto
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
Publication of DE602006012758D1 publication Critical patent/DE602006012758D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
    • 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
    • H01J61/04—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
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/822—High-pressure mercury lamps
DE602006012758T 2005-06-03 2006-05-31 Ultrahochdruck-Quecksilberlampe Active DE602006012758D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005164035A JP4696697B2 (ja) 2005-06-03 2005-06-03 超高圧水銀ランプ

Publications (1)

Publication Number Publication Date
DE602006012758D1 true DE602006012758D1 (de) 2010-04-22

Family

ID=37057378

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006012758T Active DE602006012758D1 (de) 2005-06-03 2006-05-31 Ultrahochdruck-Quecksilberlampe

Country Status (5)

Country Link
US (1) US7649319B2 (de)
EP (1) EP1729325B1 (de)
JP (1) JP4696697B2 (de)
CN (1) CN1873899B (de)
DE (1) DE602006012758D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4525803B2 (ja) * 2007-08-06 2010-08-18 セイコーエプソン株式会社 発光管、光源装置及びプロジェクタ
US8174194B2 (en) 2007-08-06 2012-05-08 Seiko Epson Corporation Discharge lamp, light source device and projector
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

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574219A (en) * 1984-05-25 1986-03-04 General Electric Company Lighting unit
JPS6132345A (ja) * 1984-07-24 1986-02-15 Toshiba Corp 放電灯用電極
JPS6450359A (en) 1987-08-21 1989-02-27 Hitachi Ltd Extra-high pressure mercury lamp
DE3813421A1 (de) 1988-04-21 1989-11-02 Philips Patentverwaltung Hochdruck-quecksilberdampfentladungslampe
JP2730000B2 (ja) * 1989-02-27 1998-03-18 ウシオ電機株式会社 放電灯用電極
US5107178A (en) 1990-01-16 1992-04-21 Ushio Denki Kabushiki Kaisha Metal vapor discharge lamp filled with bismuth, mercury, a rare gas, iron and a halogen
US5497049A (en) 1992-06-23 1996-03-05 U.S. Philips Corporation High pressure mercury discharge lamp
BE1007595A3 (nl) * 1993-10-07 1995-08-16 Philips Electronics Nv Hogedruk-metaalhalogenide-ontladingslamp.
JP3380615B2 (ja) 1994-02-09 2003-02-24 株式会社ワコム電創 短アーク放電灯
JPH0976092A (ja) 1995-09-14 1997-03-25 Toho Kinzoku Kk タングステン電極材料
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
JPH09111388A (ja) 1995-10-12 1997-04-28 Toho Kinzoku Kk タングステン電極材及びその熱処理法
JPH1154086A (ja) 1997-08-06 1999-02-26 Toho Kinzoku Kk タングステン系電極材及びその製法
JP3216877B2 (ja) 1997-11-18 2001-10-09 松下電子工業株式会社 高圧放電ランプ、この高圧放電ランプを光源とした照明光学装置、およびこの照明光学装置を用いた画像表示装置
JP2001513255A (ja) * 1997-12-22 2001-08-28 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 高圧ハロゲン化金属放電ランプ
JP2000057995A (ja) 1998-08-06 2000-02-25 Ushio Inc ショートアーク型放電ランプ
JP3480340B2 (ja) 1998-11-10 2003-12-15 ウシオ電機株式会社 直流放電ランプ
JP2001319617A (ja) * 2000-05-08 2001-11-16 Ushio Inc 超高圧水銀ランプ
JP4349723B2 (ja) 2000-06-06 2009-10-21 株式会社オーク製作所 放電ランプおよび放電ランプ用電極
JP3665862B2 (ja) 2000-08-09 2005-06-29 東邦金属株式会社 放電灯用タングステン陽極
JP3596448B2 (ja) 2000-09-08 2004-12-02 ウシオ電機株式会社 ショートアーク型水銀放電ランプ
US6483240B2 (en) * 2001-03-06 2002-11-19 Perkinelmer Optoelectronics, N.C., Inc Compact and stabilized arc high-pressure mercury lamp
DE10209426A1 (de) * 2002-03-05 2003-09-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kurzbogen-Hochdruckentladungslampe
JP3975931B2 (ja) * 2003-02-12 2007-09-12 ウシオ電機株式会社 ショートアーク型超高圧水銀ランプ
JP4325518B2 (ja) 2004-09-10 2009-09-02 ウシオ電機株式会社 超高圧水銀ランプ

Also Published As

Publication number Publication date
JP2006339068A (ja) 2006-12-14
JP4696697B2 (ja) 2011-06-08
EP1729325A3 (de) 2007-07-04
EP1729325B1 (de) 2010-03-10
EP1729325A2 (de) 2006-12-06
CN1873899B (zh) 2010-08-18
US7649319B2 (en) 2010-01-19
CN1873899A (zh) 2006-12-06
US20060273722A1 (en) 2006-12-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition