EP2024988A1 - Charge d'halogénure métallique pour une lampe électrique à décharge haute pression et lampe correspondante - Google Patents

Charge d'halogénure métallique pour une lampe électrique à décharge haute pression et lampe correspondante

Info

Publication number
EP2024988A1
EP2024988A1 EP07729729A EP07729729A EP2024988A1 EP 2024988 A1 EP2024988 A1 EP 2024988A1 EP 07729729 A EP07729729 A EP 07729729A EP 07729729 A EP07729729 A EP 07729729A EP 2024988 A1 EP2024988 A1 EP 2024988A1
Authority
EP
European Patent Office
Prior art keywords
filling
discharge lamp
discharge vessel
pressure discharge
volume
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.)
Granted
Application number
EP07729729A
Other languages
German (de)
English (en)
Other versions
EP2024988B1 (fr
Inventor
Hans Eisemann
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 EP2024988A1 publication Critical patent/EP2024988A1/fr
Application granted granted Critical
Publication of EP2024988B1 publication Critical patent/EP2024988B1/fr
Not-in-force 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
    • H01J61/02—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 filling for 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.
  • the patent JP-B 7282775 indicates a metal halide lamp with a Dy-Tl 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 color local drift.
  • 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 is achieved while maintaining a very good color reproduction, in particular an object of the present invention to realize a lamp for general lighting with a light color Daylight to neutral white with a R a > 90 and in particular a Rg> 70.
  • the object is achieved in that the metal halide consists of Rb and Mn halide.
  • the metal halide may be combined with other halides.
  • halides of the elements Dy, Tl, Ho, Tm, V are used individually or in combination.
  • 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, Tl as an additive
  • neutral white especially at a color temperature between 4000 and 5200 K
  • Dy, V , Tl is especially added.
  • 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. 1 shows a side view of a metal halide lamp
  • Figure 2 to 3 a spectrum of such a lamp and a comparison lamp
  • FIGS. 4 to 5 show the luminous efficacy as a function of the service life (absolute and relative) of the two lamps of FIGS. 2 and 3; Figure 6 to 7, the color temperature and the color locus as
  • FIG. 1 An embodiment of a 400 W metal halide lamp is shown schematically in FIG. 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 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 embodiment mentioned above.
  • FIG. 3 shows the spectrum of a comparison lamp with Cs-containing filling. Comparing Fig. 2 with Fig. 3, it can be seen that the lamp with Rb emits substantially less radiation components in the infrared (range above 800 nm) than 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 shown in FIGS. 4 and 5 up to a lifetime of 2500 h. There, the light output ⁇ is absolute as a function of the lifetime in hours represented ( Figure 4) and in percent, based on the initial value ( Figure 5).

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
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 true EP2024988A1 (fr) 2009-02-18
EP2024988B1 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
WO2008110967A1 (fr) * 2007-03-12 2008-09-18 Philips Intellectual Property & Standards Gmbh Lampe à décharge à faible énergie présentant une grande efficacité
US9368339B2 (en) * 2011-04-27 2016-06-14 Koninklijke Philips N.V. Discharge lamp with high color temperature

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
DE69732140T2 (de) * 1996-08-23 2005-12-15 Advanced Lighting Technologies, Inc., Twinsburg Verstärkte metallhalogenidpartikel und verbessertes lampenfüllungsmaterial und verfahren zur herstellung
US6284165B1 (en) * 1996-08-23 2001-09-04 Scott Anderson Methods of strengthening metal halide particles, and improved lamp fill material
WO1998048446A2 (fr) * 1997-04-21 1998-10-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe a decharge aux halogenures de metal presentant une longue duree de vie
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
CN101512432A (zh) * 2005-12-27 2009-08-19 现代照明技术有限公司 投影光源和制造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007141186A1 *

Also Published As

Publication number Publication date
JP2009539212A (ja) 2009-11-12
ATE492902T1 (de) 2011-01-15
WO2007141186A1 (fr) 2007-12-13
CA2653853A1 (fr) 2007-12-13
US8072140B2 (en) 2011-12-06
EP2024988B1 (fr) 2010-12-22
CN101454864B (zh) 2012-06-13
US20090108756A1 (en) 2009-04-30
DE102006025947A1 (de) 2007-12-06
CN101454864A (zh) 2009-06-10
DE502007006036D1 (de) 2011-02-03

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