EP2532021A1 - Lampe à décharge haute pression - Google Patents

Lampe à décharge haute pression

Info

Publication number
EP2532021A1
EP2532021A1 EP10732923A EP10732923A EP2532021A1 EP 2532021 A1 EP2532021 A1 EP 2532021A1 EP 10732923 A EP10732923 A EP 10732923A EP 10732923 A EP10732923 A EP 10732923A EP 2532021 A1 EP2532021 A1 EP 2532021A1
Authority
EP
European Patent Office
Prior art keywords
discharge lamp
pressure discharge
lamp according
filling
inj
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Withdrawn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
EP10732923A
Other languages
German (de)
English (en)
Inventor
Andreas Genz
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 EP2532021A1 publication Critical patent/EP2532021A1/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Withdrawn legal-status Critical Current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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • 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
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

Definitions

  • the invention is based on a high-pressure discharge lamp according to the preamble of claim 1.
  • These are in particular metal halide lamps.
  • Such lamps are in particular high-pressure discharge lamps with a ceramic discharge vessel or quartz glass vessel for general lighting.
  • DE 101 01 508 discloses a high-pressure discharge lamp in which a metal halide filling is used.
  • the high-pressure discharge lamp contains iodide of indium as the metal halide.
  • Colored lamps are gaining increasing market significance as an effect light in architectural lighting.
  • the invention relates to blue HQI lamps.
  • Previously used fillings consist of Inj. Surprisingly, a filling of InBr + InJ + InCl shows a better maintenance than the previous filling of Inj.
  • Inj's molar Nateil is between 40 and 90%.
  • the molar fraction of InBr is between 10 and 60%.
  • the molar proportion of InCl is at most 20%.
  • the sum of the molar proportions is 100%.
  • Justification of the limit values: exceeding the InCl content of 20% and / or the InBr content of 60% leads to electrode corrosion, ie an early failure.
  • Exceeding the molar Inj ratio deteriorates the maintenance.
  • the filling amount of the entire in-halogen end is between 0.05 and 0.5 mg per ml of discharge volume.
  • the proportion of Inj is at least 25% by weight and at most 75% by weight.
  • the filling amount of the total in-halide is between 0.1 and 1 mg per ml of discharge volume. Particularly preferred is a value between 0.2 and 1.0 mg / ml for lamps in the power range from 35 to 150W and a value between 0.1 and 0.6 mg / ml for lamps from 175 to 1000W.
  • the inventive concept is particularly suitable for small and medium power lamps in the range 15 to 1000 W.
  • high-pressure discharge lamp with a piston which surrounds a discharge volume, wherein a filling containing indium halide, mercury and noble gas from the group neon, argon, krypton, xenon, is housed in the discharge volume, characterized marked ⁇ characterized in that the filling at the same time the halogens ⁇ Nide of iodine and bromine, wherein the proportion of Inj is at most 90 mol .-%, based on the sum of all halides of In.
  • High-pressure discharge lamp according to claim 1 characterized in that the proportion of Inj is at least 25%, in particular at least 40%.
  • the high-pressure discharge lamp according to claim 1 characterized in that the proportion of InBr to ma ⁇ ximal 60 mol .-% is 10%, based on the sum of al ⁇ ler halide of In.
  • High-pressure discharge lamp characterized in that the filling portions of InCl up to 20 mol .-%, based on the sum of all halides of In, in particular Minim ⁇ least 2 mol .-%.
  • High-pressure discharge lamp according to claim 1 characterized in that the noble gas is argon, xenon Kryp ⁇ tone or neon or mixtures thereof.
  • High-pressure discharge lamp according to claim 1 characterized in that the cold filling pressure of the Edelga ⁇ ses is selected in the range 30 to 300 hPa. 7. High-pressure discharge lamp according to claim 1, characterized in that the content of Hg in the range 3 to 30 mg / cm 3 is selected.
  • High-pressure discharge lamp characterized in that the lamp is a color-emitting lamp for effect lighting.
  • high-pressure discharge lamp characterized in that the filling amount of the total In halide between 0.05 and 0.5 mg per ml Entla ⁇ tion volume is.
  • FIG. 2 shows a high-pressure discharge lamp with discharge vessel with integrated outer bulb
  • FIG. Fig. 3 is a diagram showing the maintenance for various
  • Fig. 4 is a diagram showing the maintenance for various reasons.
  • Fillings shows at 150 W lamps.
  • FIG. 1 shows schematically a metal halide lamp 1. It consists of a discharge vessel 2 made of quartz glass, in which two electrodes 3 are inserted. The discharge vessel has a central part 5 and two ends 4. sit on the ends two bruising. 6
  • the discharge vessel 2 is surrounded by an outer bulb 7.
  • the discharge vessel 2 is held in the outer bulb by means of ei ⁇ nes frame which includes a short and a long power supply IIa and IIb.
  • the discharge vessel contains a filling which typically comprises Hg (3 to 30 mg / cm 3 ) and 0.1 to 1 mg / cm 3 of halide of indium.
  • a filling typically comprises Hg (3 to 30 mg / cm 3 ) and 0.1 to 1 mg / cm 3 of halide of indium.
  • argon is used under a pressure of 30 to 300 hPa cold. As a result, a blue-emitting metal halide lamp is realized.
  • FIG. 2 shows a second exemplary embodiment with a discharge vessel 2 made of quartz glass, to which an integrated outer bulb 10 is attached without the need for a frame. is taken.
  • the filling is similar to theforementionedsbei ⁇ game of Figure la.
  • FIG. 3 shows a diagram in which the maintenance of various fillings of in-halide for a 70 W lamp were compared with one another. It is found that pure Inj (curve a) shows by far the worst Verhal ⁇ th. The radiation power in the blue spectral range decreases from the reference point after 100 hours up to 6000 hours to a maximum of 80% when using mixtures. By contrast, mixtures of Inj and InBr show markedly better values (curve b), especially when the proportion of Inj is between 25 and 75% by weight.
  • Figure 4 shows a diagram for 150 W lamps, in which the maintenance of a mixture 55 wt .-% TU with 45 wt .-% InBr (curve a) is compared with pure Inj (curve b) and InBr (curve c) on the one hand and on the other hand with a triple mixture (curve d) of Inj (70% by weight), InBr (20% by weight) and InCl (10% by weight). It turns out that the addition of chlorine has to be well dosed. It should preferably be added in small amounts, relative to Inj at most 13: 1. 3 to 1::, that it be ⁇ vorzugt in amounts of 1 applies to InBr 6 relative to Inj supplied ⁇ sets should be.
  • Table 1 shows the photometric data of various metal halide lamps with quartz glass flask according to FIGS. 1 and 2.
  • the filling is designed for the emission blue spectral range within 440 to 485 nm. Such a lamp can be used for general lighting, in particular as an effect light for architectural lighting.
  • high output in the blue spectral range is ⁇ achieved, and long life, high color saturation, and good maintenance.
  • the lifetime is at least 9000 hours, the maintenance is at least 80%, and the color saturation at least 50%.
  • the filling contains no Na, or Sc or Tl. Only halides of the In are used as metal halides.
  • the maximum proportion of the Inj is 90% mol .-%, the minimum An ⁇ part of the InBr is 10 mol .-%.
  • This Br / J mixture may also be added in InCl at a level of up to 20 mol%.
  • the proportion of Inj is preferably 40 to 90 mol%, and 10 to 60 mol% InBr.
  • the total capacity of the halide of In is before Trains t ⁇ between 0.05 and 0.5 mg / ml of volume of the discharge vessel.
  • Other filling components are noble gas such as argon and Hg.
  • the filling amount is ge ⁇ together with the halide of In is preferably 0.09 to 0.5 mg / ml of volume of the discharge vessel.
  • the total filling amount of Haloge ⁇ nid In is preferred between 0.05 and 0.4 mg / ml of volume of the discharge vessel.

Landscapes

  • Discharge Lamp (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)

Abstract

L'invention concerne une lampe à décharge haute pression, émettant de préférence dans la zone spectrale du bleu, et d'un très bon entretien, ladite lampe à décharge utilisant, en tant que substance de remplissage, un mélange indium-halogénures.
EP10732923A 2010-07-09 2010-07-09 Lampe à décharge haute pression Withdrawn EP2532021A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/059861 WO2012003875A1 (fr) 2010-07-09 2010-07-09 Lampe à décharge haute pression

Publications (1)

Publication Number Publication Date
EP2532021A1 true EP2532021A1 (fr) 2012-12-12

Family

ID=43708967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10732923A Withdrawn EP2532021A1 (fr) 2010-07-09 2010-07-09 Lampe à décharge haute pression

Country Status (5)

Country Link
US (1) US20130106281A1 (fr)
EP (1) EP2532021A1 (fr)
JP (1) JP2013535762A (fr)
CN (1) CN102985997A (fr)
WO (1) WO2012003875A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104299884B (zh) * 2014-11-03 2017-06-20 广东雪莱特光电科技股份有限公司 一种蓝色高强度气体放电灯

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD254270A1 (de) * 1984-03-13 1988-02-17 Akad Wissenschaften Ddr Kurzbogenlampe mit leuchtzusaetzen
JP2970993B2 (ja) * 1994-04-20 1999-11-02 ウシオ電機株式会社 ショートアークメタルハライドランプ
CN1979755A (zh) * 1998-02-20 2007-06-13 松下电器产业株式会社 无汞金属卤化物灯
DE10101508A1 (de) 2001-01-12 2002-08-01 Philips Corp Intellectual Pty Hochdruckentladungslampe
US20070085481A1 (en) * 2003-09-30 2007-04-19 Koninklijke Philips Electronics N.V. Low-pressure gas discharge lamp having a means for binding oxygen and water
CN1333428C (zh) * 2003-11-12 2007-08-22 哈利盛东芝照明有限公司 金属卤化物灯、其制造方法及采用该灯的车辆前灯装置
EP1754246A2 (fr) * 2004-05-27 2007-02-21 Philips Intellectual Property & Standards GmbH Lampe a decharge basse pression contenant un halogenure metallise
DE102005016048B4 (de) * 2005-04-07 2018-11-29 Ledvance Gmbh Metallhalogenidlampe mit einer ionisierbaren Füllung enthaltend mindestens ein Inertgas, Quecksilber und Metallhalogenide von Tl, Na, Li, Dy, Ho und Tm
DE102005026207A1 (de) * 2005-06-07 2006-12-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Metallhalogenid-Hochdruckentladungslampe
US7678725B2 (en) * 2007-05-14 2010-03-16 General Electric Company Translucent polycrystalline alumina ceramic
US8653732B2 (en) * 2007-12-06 2014-02-18 General Electric Company Ceramic metal halide lamp with oxygen content selected for high lumen maintenance
US20090167182A1 (en) * 2007-12-26 2009-07-02 Night Operations Systems High intensity lamp and lighting system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012003875A1 *

Also Published As

Publication number Publication date
JP2013535762A (ja) 2013-09-12
US20130106281A1 (en) 2013-05-02
WO2012003875A1 (fr) 2012-01-12
CN102985997A (zh) 2013-03-20

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