EP2024988B1 - Lampe électrique à décharge haute pression avec charge d'halogénure métallique - Google Patents

Lampe électrique à décharge haute pression avec charge d'halogénure métallique Download PDF

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Publication number
EP2024988B1
EP2024988B1 EP07729729A EP07729729A EP2024988B1 EP 2024988 B1 EP2024988 B1 EP 2024988B1 EP 07729729 A EP07729729 A EP 07729729A EP 07729729 A EP07729729 A EP 07729729A EP 2024988 B1 EP2024988 B1 EP 2024988B1
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EP
European Patent Office
Prior art keywords
fill
lamp according
pressure discharge
discharge lamp
discharge vessel
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
EP07729729A
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German (de)
English (en)
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EP2024988A1 (fr
Inventor
Hans Eisemann
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Osram GmbH
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Osram GmbH
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Publication date
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    • 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 high-pressure discharge lamp according to the preamble of claim 1.
  • Such fillings or lamps are intended in particular for general lighting or for photo-optical purposes.
  • a metal halide fill with Mn is in the patent DE-A 19907301 specified. Since this contains Cs as a further filling component, the reduced light output is also disadvantageous in this filling.
  • the patent JP-B 7282775 indicates a metal halide lamp with a Dy-TI system as a filling, which additionally contains neodymium, potassium and rubidium. This filling does not require Cs and is characterized by a high color rendering. However, this lamp has a relatively high Farbortdrift.
  • High pressure discharge lamps are known which use Rb halide as infrared radiators. From the US 6,284,165 For example, one method is known for reliably producing metal halide fillings using a reinforcing agent and placing them in lamp vessels.
  • the object of the present invention is to provide a metal halide lamp which, although containing Rb as a filling, but which does not contain cesium, wherein a color temperature of at least 4200 K while maintaining a very good color rendering is realized, in particular an object of the present invention, a Lamp for general lighting with a light color Daylight to neutral white with a R a > 90 and in particular a R 9 > 70 to realize.
  • the object is achieved in that the metal halide consists of Rb and Mn halide.
  • the metal halide consists of Rb and Mn halide.
  • they are combined with other halides.
  • Halides of the elements Dy, T1, V in combination are used for this purpose.
  • Rb and Mn avoids the addition of Cs, because Rb similar to Cs has a low ionization energy and thus widens the arc.
  • one of the further elements in each case as halide, is preferably added.
  • daylight-like light colors especially at a color temperature of more than 5300 K, especially Dy, Ho, Tm, V, T1 is an additive
  • neutral white especially at a color temperature between 4000 and 5200 K, is especially Dy, V , T1 as an addition.
  • the relative proportion of the masses of the elements Rb and Mn to each other should preferably be in the range 0.15 and 210.
  • the proportion of the masses can be 0.1 to 35 .mu.mol per ml volume of the discharge vessel for each additional metal.
  • FIG Fig. 1 An embodiment of a 400 W metal halide lamp is shown in FIG Fig. 1 shown schematically. It is a discharge vessel 1, which is enclosed by a cylindrical evacuated outer bulb 2 made of hard glass, which is socketed on one side. The one end of the outer bulb 2 has a rounded tip 3, whereas the other end has a screw base 4. A holding frame 5 fixes the discharge vessel 1 axially in the interior of the outer bulb second
  • the discharge vessel consists of a two-sided squeezed burner body containing two electrodes 6. The ends of the discharge vessel 1 are provided with a heat-reflecting coating 7. The volume of the discharge vessel 2 is about 8 ml. The base gas contained in the discharge vessel is 56 mbar Ar. The discharge vessel was filled with 29 mg Hg and 14 mg metal halides. The composition of the metal halide fill is given in Table 1. Table 1 Proportion of metal halide / weight% DyJ 3 TlJ HoJ 3 TmJ 3 VJ 2 MnJ 2 rbj 27.0 13.5 8.2 8.2 2.1 23.8 17.2
  • the discharge vessel 1 is preferably operated within an outer bulb 2, which is evacuated for a particularly good color rendering.
  • an outer bulb may contain a gas filling, for example, 70 kPa N 2 or 50 kPa CO 2 , the color reproduction is slightly reduced.
  • FIG. 2 shows the spectrum of a 100 h old lamp with marked spectral lines of Rb above embodiment.
  • FIG. 3 shows the spectrum of a comparison lamp with Cs-containing filling.
  • the lamp with Rb emits much less radiation in the infrared (range above 800 nm), as the lamp with Cs.
  • That the lamp with Rb and Mn has a higher light yield Eta ( ⁇ ) and higher lumen maintenance compared to the standard filling with Cs is in the Fig. 4 and 5 up to a life of 2500 h.
  • the luminous efficacy ⁇ is absolute as a function of the lifetime in hours represented ( FIG. 4 ) and in percent, based on the initial value ( FIG. 5 ).
  • FIGS. 6 and 7 representing the closest possible color temperature as a function of the lamp age ( FIG. 6 ) and the color locus diagram ( FIG. 7 ) contain. .

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  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Claims (13)

  1. Lampe à décharge à haute pression, pour l'éclairage général ou à des fins photo-optiques, comprenant une enceinte ( 1 ) de décharge ainsi que deux électrodes ( 5 ) et ayant un remplissage ionisable contenu dans l'enceinte de décharge et comprenant au moins un gaz inerte, du mercure et un remplissage d'halogénure métallique à base d'au moins un halogène, dans lequel le remplissage comprend un halogénure de rubidium et le remplissage est exempt de césium, caractérisé en ce qu'une température de couleur d'au moins 4200 K est réalisée, par le fait que le remplissage contient au moins encore le constituant halogénure de manganèse, ainsi que supplémentairement encore au moins un halogénure de thallium et de vanadium et au moins un halogénure du métal de terre rare Dy.
  2. Lampe à décharge à haute pression suivant la revendication 1, caractérisée en ce que l'halogène et l'iode ou/et le brome.
  3. Lampe à décharge à haute pression suivant la revendication 1, caractérisée en ce que le remplissage contient supplémentaire au moins un autre halogénure de l'un des métaux de terre rare Tm, Ho.
  4. Lampe à décharge à haute pression suivant la revendication 1, caractérisée en ce que le remplissage contient du Rb en une quantité de 0,01 à 60 µmole par volume en ml de l'enceinte de décharge.
  5. Lampe à décharge à haute pression suivant la revendication 1, caractérisée en ce que la quantité de remplissage de Mn représente de 0,01 à 50 µmole par volume en ml de l'enceinte de décharge.
  6. Lampe à décharge à haute pression suivant la revendication 1, caractérisée en ce que le rapport des masses Rb:Mn est compris entre 0,15 et 210.
  7. Lampe à décharge à haute pression suivant la revendication 3, caractérisée en ce que la proportion d'un autre métal du groupe TI, Dy, Ho, Tm, V représente au moins 0,1 1 µmole par volume en ml de l'enceinte de décharge.
  8. Lampe à décharge à haute pression suivant la revendication 7, caractérisée en ce que la quantité de remplissage de V représente jusqu'à 25 µmole par volume en ml de l'enceinte de décharge.
  9. Lampe à décharge à haute pression suivant la revendication 7, caractérisée en ce que la quantité de remplissage de Dy représente jusqu'à 35 µmole par volume en ml de l'enceinte de décharge.
  10. Lampe à décharge à haute pression suivant la revendication 7, caractérisée en ce que la quantité de remplissage de TI représente jusqu' à 15 µmole par volume en ml de l'enceinte de décharge.
  11. Lampe à décharge à haute pression suivant la revendication 7, caractérisée en ce que la quantité de remplissage de Ho représente jusqu'à 18 µmole par volume en ml de l'enceinte de décharge.
  12. Lampe à décharge à haute pression suivant la revendication 7, caractérisée en ce que la quantité de remplissage de Tm représente jusqu'à 18 µmole par volume en ml de l'enceinte de décharge.
  13. Lampe à décharge à haute pression suivant la revendication 7, caractérisée en ce que l'enceinte ( 2 ) de décharge est disposée à l'intérieur d'une ampoule ( 3 ) extérieure.
EP07729729A 2006-06-02 2007-05-31 Lampe électrique à décharge haute pression avec charge d'halogénure métallique Not-in-force EP2024988B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006025947A DE102006025947A1 (de) 2006-06-02 2006-06-02 Metallhalogenidfüllung für eine elektrische Hochdruckentladungslampe und zugehörige Lampe
PCT/EP2007/055326 WO2007141186A1 (fr) 2006-06-02 2007-05-31 Charge d'halogénure métallique pour une lampe électrique à décharge haute pression et lampe correspondante

Publications (2)

Publication Number Publication Date
EP2024988A1 EP2024988A1 (fr) 2009-02-18
EP2024988B1 true EP2024988B1 (fr) 2010-12-22

Family

ID=38289929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07729729A Not-in-force EP2024988B1 (fr) 2006-06-02 2007-05-31 Lampe électrique à décharge haute pression avec charge d'halogénure métallique

Country Status (8)

Country Link
US (1) US8072140B2 (fr)
EP (1) EP2024988B1 (fr)
JP (1) JP2009539212A (fr)
CN (1) CN101454864B (fr)
AT (1) ATE492902T1 (fr)
CA (1) CA2653853A1 (fr)
DE (2) DE102006025947A1 (fr)
WO (1) WO2007141186A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8030847B2 (en) * 2007-03-12 2011-10-04 Koninklijke Philips Electronics N.V. Low power discharge lamp with high efficacy
CN103493175B (zh) * 2011-04-27 2016-08-03 皇家飞利浦有限公司 具有高色温的放电灯

Family Cites Families (20)

* 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
JPH02186552A (ja) * 1989-01-12 1990-07-20 Ushio Inc 照明用放電灯
EP0951372B1 (fr) * 1996-08-23 2004-12-29 Advanced Lighting Technologies, Inc. Particules d'halogenure metallique renforcees, matiere de remplissage pour lampes et procede s'y rapportant
US6284165B1 (en) * 1996-08-23 2001-09-04 Scott Anderson Methods of strengthening metal halide particles, and improved lamp fill material
DE59805403D1 (de) * 1997-04-21 2002-10-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenid-entladungslampe mit langer lebensdauer
DE19907301A1 (de) 1999-02-22 2000-08-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenidlampe
CN1265418C (zh) * 2001-05-10 2006-07-19 皇家菲利浦电子有限公司 高压气体放电灯
JP2003016998A (ja) * 2001-06-28 2003-01-17 Matsushita Electric Ind Co Ltd メタルハライドランプ
JP2003100251A (ja) * 2001-09-27 2003-04-04 Koito Mfg Co Ltd 放電ランプ装置用水銀フリーアークチューブ
DE10214631A1 (de) * 2002-04-02 2003-10-16 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenidfüllung und zugehörige Lampe
DE10242203A1 (de) * 2002-09-10 2004-03-18 Philips Intellectual Property & Standards Gmbh Hochdruckentladungslampe mit verbesserter Farbortstabilität und hoher Lichtausbeute
JP2004134100A (ja) * 2002-10-08 2004-04-30 Toshiba Lighting & Technology Corp 金属蒸気放電ランプ、投光装置、車両前照灯および金属蒸気放電ランプ点灯装置
JP4317908B2 (ja) 2003-11-07 2009-08-19 ハリソン東芝ライティング株式会社 自動車前照灯・赤外暗視装置兼用メタルハライドランプおよびメタルハライドランプ点灯装置
JP4320379B2 (ja) * 2003-12-22 2009-08-26 ハリソン東芝ライティング株式会社 メタルハライドランプおよびメタルハライドランプ点灯装置
DE102004019185A1 (de) * 2004-04-16 2005-11-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe
JP2004337627A (ja) 2004-07-23 2004-12-02 Ushio Inc 光線力学治療用放電ランプ
DE102005013003A1 (de) * 2005-03-21 2006-09-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metallhalogenidlampe
DE202005005202U1 (de) * 2005-04-01 2006-08-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metallhalogenidlampe
US7714512B2 (en) * 2005-10-19 2010-05-11 Matsushita Electric Industrial Co., Ltd. High red color rendition metal halide lamp
US20070200505A1 (en) * 2005-12-27 2007-08-30 Ju Gao Projection light source and methods of manufacture

Also Published As

Publication number Publication date
ATE492902T1 (de) 2011-01-15
DE102006025947A1 (de) 2007-12-06
WO2007141186A1 (fr) 2007-12-13
CN101454864A (zh) 2009-06-10
JP2009539212A (ja) 2009-11-12
CA2653853A1 (fr) 2007-12-13
US8072140B2 (en) 2011-12-06
EP2024988A1 (fr) 2009-02-18
DE502007006036D1 (de) 2011-02-03
US20090108756A1 (en) 2009-04-30
CN101454864B (zh) 2012-06-13

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