EP1708244B1 - Metallhalogenidlampe - Google Patents

Metallhalogenidlampe Download PDF

Info

Publication number
EP1708244B1
EP1708244B1 EP06006769A EP06006769A EP1708244B1 EP 1708244 B1 EP1708244 B1 EP 1708244B1 EP 06006769 A EP06006769 A EP 06006769A EP 06006769 A EP06006769 A EP 06006769A EP 1708244 B1 EP1708244 B1 EP 1708244B1
Authority
EP
European Patent Office
Prior art keywords
metal halide
halide lamp
fill
lamp according
rare earths
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.)
Not-in-force
Application number
EP06006769A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1708244A1 (de
Inventor
Andreas Dr. Genz
Martin Dr. Tüshaus
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.)
Osram GmbH
Original Assignee
Osram GmbH
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 Osram GmbH filed Critical Osram GmbH
Publication of EP1708244A1 publication Critical patent/EP1708244A1/de
Application granted granted Critical
Publication of EP1708244B1 publication Critical patent/EP1708244B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/125—Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component
    • 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

Definitions

  • the invention is based on a metal halide lamp for a high-pressure discharge lamp according to the preamble of claim 1. These are fillings for lamps with daylight-like light color.
  • metal halide discharge lamps usually contain thallium.
  • a lamp that contains a metal halide filling with the metals Cs, TI, and rare earths such as Dy, Tm, Ho and has a daylight-like light color.
  • the filling may contain metal halides using the metals Cs, Tl, and rare earths such as Dy, Tm, Ho. Mn is used as a substitute for Na.
  • the disclosed proportions are chosen so that a color temperature of 4400 K corresponding to the light color NDL is sought.
  • off DE-A 35 12 757 discloses a filling for metal halide lamps containing a metal silicide such as V 5 Si 3 .
  • the filling contains rare earth or Sc halide and the corresponding rare earth oxychloride ⁇ / o Sc oxide.
  • the silicide acts as a halogen getter.
  • a metal halide filling which uses Cs, Tl, and rare earths and additionally V halide. It is dispensed with other components with other halides.
  • the halogen used is iodine and / or bromine.
  • Mn is omitted because no lowering of the color temperature is sought and because on the contrary a rather high color temperature of at least 5000 K is sought.
  • the color temperature is set mainly by the rare earths.
  • the remedy here is precisely metered addition of vanadium halide.
  • a filling which contains between 0.1 and 2.5 mg of rare earth halides per ml volume of the discharge vessel. A value of 0.2 to 2.0 mg / ml is preferred.
  • Particularly suitable rare earths are Dy, Ho and Tm, alone or in combination. Especially suitable is Dy alone.
  • the molar ratio between rare earths and vanadium should be between 1.5 and 30, in particular 2 and 20. Since both sizes are trivalent, this range also applies to the associated metal halides.
  • the filling contains more iodine than bromine. In particular, iodine is used alone, with a maximum of 10% bromine content, molar seen.
  • This filling is particularly suitable for high-wattage lamps with at least 100 W rated power. It is particularly suitable for lamps with a relatively high nominal listing up to 400 W.
  • FIG. 1 shows the side view of a two-sided pinched metal halide lamp 1.
  • the formed as a barrel body discharge vessel 2 made of quartz glass includes two electrodes 3 together with a metal halide filling.
  • the piston ends are sealed by pinches 4, are embedded in the foils 5.
  • a seal is also suitable as a seal.
  • the outer power supply 6 is guided in a tubular sleeve 7 and ends in a socket 8 of an integral base part 9.
  • the base is made in one piece of steel or other heat-resistant metal and also includes a circular disk 10 as a contact element and barbs 11 as a centering and support.
  • the bulbous part of the discharge vessel is partially surrounded by an outer bulb 12 which is rolled up in the region of the transition between the pinch seal 4 and the sleeve 7 (FIG. 13).
  • the outer bulb 12 has a circumferential dent 14, so that an elastic carrier tape 15 made of metal is spread apart on the inner surface of the outer bulb.
  • the carrier tape may, if necessary, contain gettering materials such as Zr, Fe, V, Co. They are used to absorb various substances such as oxygen, hydrogen, etc.
  • the outer bulb can be filled with nitrogen, another inert gas or vacuum.
  • an outer bulb gas mixture of N 2 and / or CO 2 with Ne is used, the total pressure being between 200 and 900 mbar.
  • a Ne-Ar, Ne-Kr or Ne-Ar-Kr Penning mixture is used as the starting gas in the burner.
  • an outer bulb gas mixture N 2 / Ne or CO 2 / Ne with 300 mbar to 900 mbar total pressure is used to maintain the good ignition properties during the lifetime.
  • the Ne share is between 25 and 60%.
  • Fig. 2 shows the spectrum of a 150 W lamp with 100 h burning time according to the embodiment according to Fig. 1 whose discharge vessel contains 15 mg Hg and the metal halide filling according to Tab.
  • the filling in the outer bulb is argon.
  • the lamp uses Dy alone as a rare earth. Good results are also obtained with an addition of Tm and Ho, when Dy is used predominantly with more than 50% proportion.
  • Fig. 3 shows the change of the luminous flux LS ( FIG. 3a , Curve a) and the color temperature Tn ( FIG. 3b , Curve a) of the lamp off FIG. 1 as a function of life. Both parameters are extremely stable up to a lifetime of at least 6000 hours.
  • Tab. 1 another embodiment is shown, which relates to a 250 W and a 400 W lamp with daylight filling. In both cases, the filling is constructed similar to the 150W embodiment.
  • the corresponding curves of the luminous flux and the color temperature are in Figure 3a and 3b as curves b) for the 250 W embodiment and c) drawn for the 400 W embodiment.

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
EP06006769A 2005-04-01 2006-03-30 Metallhalogenidlampe Not-in-force EP1708244B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005005202U DE202005005202U1 (de) 2005-04-01 2005-04-01 Metallhalogenidlampe

Publications (2)

Publication Number Publication Date
EP1708244A1 EP1708244A1 (de) 2006-10-04
EP1708244B1 true EP1708244B1 (de) 2012-05-02

Family

ID=36678582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06006769A Not-in-force EP1708244B1 (de) 2005-04-01 2006-03-30 Metallhalogenidlampe

Country Status (7)

Country Link
US (1) US7595593B2 (zh)
EP (1) EP1708244B1 (zh)
JP (1) JP5041269B2 (zh)
CN (1) CN201576649U (zh)
AT (1) ATE556425T1 (zh)
CA (1) CA2541525A1 (zh)
DE (1) DE202005005202U1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005026208A1 (de) * 2005-06-07 2006-12-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metallhalogenid-Hochdruckentladungslampe
DE102006025947A1 (de) * 2006-06-02 2007-12-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metallhalogenidfüllung für eine elektrische Hochdruckentladungslampe und zugehörige Lampe
JP2012506118A (ja) * 2008-10-15 2012-03-08 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 一酸化物発光物質を含む、放電ランプ
JP5655006B2 (ja) * 2008-12-30 2015-01-14 コーニンクレッカ フィリップス エヌ ヴェ セラミック放電容器を備えるメタルハライドランプ
US11037778B1 (en) * 2021-01-14 2021-06-15 Mocon, Inc. UV lamp

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331982A (en) * 1964-10-20 1967-07-18 Sylvania Electric Prod High pressure electric discharge device having a fill including vanadium
DE3512757A1 (de) 1985-04-10 1986-10-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Metallhalogenid-hochdruckgasentladungslampe
JPH09161728A (ja) * 1995-11-30 1997-06-20 Iwasaki Electric Co Ltd メタルハライドランプ
DE19645959A1 (de) * 1996-11-07 1998-05-14 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenid-Hochdruckentladungslampe
JPH10283993A (ja) 1997-04-03 1998-10-23 Matsushita Electron Corp メタルハライドランプ
US6307321B1 (en) * 1999-07-14 2001-10-23 Toshiba Lighting & Technology Corporation High-pressure discharge lamp and lighting apparatus
JP2001043828A (ja) * 1999-07-30 2001-02-16 Iwasaki Electric Co Ltd メタルハライドランプ
US6731068B2 (en) * 2001-12-03 2004-05-04 General Electric Company Ceramic metal halide lamp
DE10214631A1 (de) * 2002-04-02 2003-10-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenidfüllung und zugehörige Lampe
DE10254969A1 (de) * 2002-11-26 2004-06-03 Philips Intellectual Property & Standards Gmbh Hochdruckentladungslampe mit Quecksilberchlorid bei begrenztem Chlorgehalt
US7245081B2 (en) * 2003-03-03 2007-07-17 Osram-Melco Toshiba Lighting Ltd. High-intensity discharge lamp with particular metal halide gas filling and lighting device
JP4400095B2 (ja) * 2003-06-03 2010-01-20 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
DE10325554A1 (de) 2003-06-05 2004-12-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zur Herstellung einer elektrischen Lampe mit Außenkolben

Also Published As

Publication number Publication date
EP1708244A1 (de) 2006-10-04
JP2006286642A (ja) 2006-10-19
CA2541525A1 (en) 2006-10-01
DE202005005202U1 (de) 2006-08-10
US7595593B2 (en) 2009-09-29
JP5041269B2 (ja) 2012-10-03
CN201576649U (zh) 2010-09-08
ATE556425T1 (de) 2012-05-15
US20060220563A1 (en) 2006-10-05

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