EP1984936B1 - Lampe à décharge à haute pression - Google Patents

Lampe à décharge à haute pression Download PDF

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Publication number
EP1984936B1
EP1984936B1 EP07726322.6A EP07726322A EP1984936B1 EP 1984936 B1 EP1984936 B1 EP 1984936B1 EP 07726322 A EP07726322 A EP 07726322A EP 1984936 B1 EP1984936 B1 EP 1984936B1
Authority
EP
European Patent Office
Prior art keywords
discharge
discharge vessel
coating
vessel
sealed end
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.)
Expired - Fee Related
Application number
EP07726322.6A
Other languages
German (de)
English (en)
Other versions
EP1984936A1 (fr
Inventor
Dirk Grundmann
Matthias Lau
Andreas Naujoks
Michael Bönigk
Melanie Roth
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 EP1984936A1 publication Critical patent/EP1984936A1/fr
Application granted granted Critical
Publication of EP1984936B1 publication Critical patent/EP1984936B1/fr
Expired - Fee Related 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
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
    • 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
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings

Definitions

  • the invention relates to a high-pressure discharge lamp with ignition aid.
  • the US 6,445,129 discloses a high pressure discharge lamp with a double ended discharge vessel provided with an ignition assist coating extending over surface portions of the discharge vessel in the region of the discharge space and a sealed end of the discharge vessel.
  • Other high-pressure discharge lamps with Zündosbe harshungen are in the Offendegungsschriften JP 10-134773 .
  • WO 01/73817 JP 06-060851 .
  • WO 01/37319 and EP 1632 985 Al disclosed.
  • the high-pressure discharge lamp according to the invention has a discharge vessel sealed on two sides, an ionizable filling enclosed in the discharge space of the discharge vessel and electrodes for generating a gas discharge extending into the discharge space, wherein the discharge vessel has an electrically conductive coating which is designed as a starting aid and at least in the border region between the discharge space Discharge space and a first sealed end of the discharge vessel is arranged.
  • This coating forms with that of the first sealed end protruding and projecting into the discharge space first electrode of the high-pressure discharge lamp, a capacitor, wherein the intermediate quartz glass of the discharge vessel and the filling gas in the discharge space form the dielectric of this capacitor.
  • a dielectrically impeded discharge is generated in the discharge space between the first electrode and the coating.
  • This dielectrically impeded discharge generates a sufficient number of free charge carriers in the discharge space in order to enable the electrical breakdown between the two electrodes of the high-pressure discharge lamp or to significantly reduce the ignition voltage required for this purpose.
  • the Eifindung is therefore particularly well suited for mercury-free metal halide high-pressure discharge lamps, which have an increased ignition voltage due to the lack of mercury.
  • the coating designed as an ignition aid is additionally also arranged in the boundary region between the discharge space and the second sealed end of the discharge vessel.
  • the average breakdown voltage of the discharge path in the high-pressure discharge lamp is shown.
  • the evaluation according to FIG. 4 For each of the five coating geometries, a plurality of high-pressure discharge lamps were used, over which an average value for the breakdown voltage was formed.
  • the average breakdown voltage for high-pressure discharge lamps without Zündosbe slaughterung (bar 1 in Figure 4) is about 28.1 kV
  • high-pressure discharge lamps with a coating (bar 2 in FIG. 4 ), which is arranged in the boundary region between the discharge space and the first sealed end of the discharge vessel and additionally also in the boundary region between the discharge space and the second sealed end of the discharge vessel, the average breakdown voltage is reduced to about 23.4 kV.
  • the coating extends in the boundary region or in the boundary regions over the entire circumference of the discharge vessel.
  • the boundary region between the discharge space and the sealed first end of the discharge vessel or the boundary regions between the discharge space and the sealed ends of the discharge vessel are each formed by an annular groove surrounding the discharge vessel.
  • the coating is mounted on a surface portion of the first sealed end of the discharge vessel.
  • the required high voltage for igniting the gas discharge in the high-pressure discharge lamp can be further reduced.
  • the average breakdown voltage for high intensity discharge lamps having an ignition assist coating extending over a portion of the surface of the first sealed end and the two boundary regions between the discharge space and the sealed ends is only about 20.6 kV.
  • the Zündosbe Anlagenuna is also extended to a surface portion of the discharge space enclosing part of the discharge vessel, so that the Zündosbe Anlagenung preferably on a surface portion of the first sealed end and the discharge space enclosing part of the discharge vessel and on the two boundary areas between the discharge space and the extends sealed ends of the discharge vessel.
  • the ignition assist coating forms a strip which runs on the surface of the first sealed end and the aforementioned part of the discharge vessel enclosing the discharge space.
  • the bars 4 and 5 in the FIG. 4 show that this reduces the mean breakdown voltage of the high-pressure discharge lamps to a value of about 18.8 kV or 19.3 kV becomes.
  • the bar 6 of FIG. 4 is the average breakdown voltage for high-pressure discharge lamps with the aforementioned symmetrical Zündangesbe harshung, which is arranged on the two aforementioned boundary regions, the surfaces of both sealed ends and a surface portion of the discharge space enclosing part of the discharge vessel, about 20 kV.
  • the abovementioned first sealed end of the discharge vessel is that end whose current supply and electrode are charged with the high-voltage pulses required to ignite the gas discharge in the high-pressure discharge lamp. Thereby, the above-mentioned dielectrically impeded discharge is generated between the electrode or power supply protruding from the first sealed end and the ignition assist coating.
  • the invention is advantageously applicable to high-pressure discharge lamps which are provided for operation in a horizontal position, with electrodes arranged in a horizontal plane, as for example in the case of metal halide high-pressure discharge lamps for vehicle headlights.
  • the one with the Zündinsbe slaughterung provided surface portion of the discharge space enclosing part of the discharge vessel disposed below the electrodes.
  • the coating reflects back a part of the infrared radiation generated by the discharge into the discharge space and thus ensures selective heating of the colder areas of the discharge vessel lying beneath the electrodes, in which areas the metal halides used for generating light are collected.
  • the efficiency of the lamp can be increased without also heating the hot regions of the discharge vessel lying above the electrodes.
  • the application of the coating only on the colder underside of the discharge vessel reduces the thermal load of the coating, so that correspondingly lower demands can be placed on the thermal resistance of the coating materials.
  • the Zündangesbe Anlagenung the etistent high-intensity discharge lamps according to the invention is designed to be transparent, to ensure the lowest possible light absorption and high light output.
  • the power supply lead-out from the first sealed end of the discharge vessel is connected to at least one molybdenum foil embedded in the first sealed end and the at least one molybdenum foil is oriented such that one of its two sides faces the coating disposed on the surface portion of the first sealed end.
  • FIG. 3 schematically illustrated preferred embodiment of the invention is a mercury-free metal halide high pressure discharge lamp with an electrical power consumption of about 35 watts.
  • This lamp is intended for use in a vehicle headlight. It has a two-sided sealed discharge vessel 10 made of quartz glass with a volume of 24 mm 3 , in which an ionizable filling, consisting of xenon and halides of the metals sodium, scandium, zinc and indium, gas-tight enclosed.
  • the inner contour of the discharge vessel 10 is circular-cylindrical and its outer contour is ellipsoidal.
  • the inner diameter of the discharge space 106 is 2.6 mm and its outer diameter is 6.3 mm.
  • the two ends 101, 102 of the discharge vessel 10 are each sealed by means of a molybdenum foil sealing 103, 104.
  • the electrodes 11, 12 are made of tungsten. Their thickness or their diameter is 0.30 mm. The distance between the electrodes 11, 12 is 4.2 mm.
  • the electrodes 11, 12 are in each case via one of the Molybdänfolien-Einschmelzept 103, 104 and the socket remote power supply wire 13 and the current return 17 or via the socket-side power supply wire 14 electrically connected to an electrical connection of the lamp base 15 consisting essentially of plastic.
  • the discharge vessel 10 is enveloped by a glass outer bulb 16.
  • the outer bulb 16 has an extension 161 anchored in the base 15.
  • the discharge vessel 10 has a tube-like extension 105 made of quartz glass on the base side, in which the base-side current supply 14 extends.
  • the current return 17 facing surface region of the discharge vessel 10 is provided with a transparent, electrically conductive coating 107.
  • This coating 107 extends in the longitudinal direction of the lamp over the entire length of the discharge space 106 and over a part, about 50 percent, of the length of the socket-side, sealed end 102 of the discharge vessel 10.
  • the coating 107 is mounted on the outside of the discharge vessel 10 and For example, it extends over about 5 percent to 50 percent of the circumference of the discharge vessel 10. It is formed in the region of the discharge space 106 and in the region of the base-side sealed end 102 as a strip.
  • the coating 107 is formed in each case as a ring which surrounds the discharge vessel 10.
  • the boundary regions are formed by an annular, the discharge vessel 10 circumferential groove 108, 109, a so-called curl, in which or in which the discharge vessel 10 has the smallest diameter and thus a particularly small distance between the Zündosbe Anlagenung 107 and the corresponding electrode 11 or 12 exists.
  • the coating 107 consists of doped tin oxide, for example of fluorine-doped or antimony-doped tin oxide.
  • the layer thickness of the auxiliary ignition coating 107 is preferably selected so that the resistance of the Zündosbe Anlagen 107 measured between any two, arranged at a distance of 1 cm on the Zündosbe Anlagen 107 points in the order of magnitude of about 10 4 ohms.
  • the mean breakdown voltage of the discharge path of the high-pressure discharge lamp with the in the FIGS. 1 to 3 illustrated Zündosbe Anlagen 107 is approximately 19.3 kV, corresponding to the bar 5 in FIG. 4 ,
  • the space between the outer bulb 16 and the discharge vessel 10 is preferably filled with an inert gas having a cold filling pressure in the range of 5 kPa to 150 kPa to which a small amount of oxygen is mixed.
  • the amount of oxygen is adjusted so that, on the one hand, diffusion of oxygen from the tin oxide layer 107 is prevented and, on the other hand, no oxidation of the dopants in the tin oxide coating 107 is caused.
  • the inert gas is preferably nitrogen or a noble gas or a noble gas mixture or a nitrogen-noble gas mixture.
  • This high-pressure discharge lamp is operated in a horizontal position, that is, with arranged in a horizontal plane electrodes 11, 12, wherein the lamp is oriented such that the current return path 17 extends below the discharge vessel 10 and the outer bulb 16.
  • the high-voltage pulses required to ignite the gas discharge in the high-pressure discharge lamp are supplied to the socket-side electrode 12 via the power supply 14, since the socket-side power supply 14 is completely surrounded by the lamp vessels 10, 16 and the base 15 and thus excellent electrical insulation of the high-voltage parts of the High-pressure discharge lamp is guaranteed.
  • the aforementioned high-voltage pulses are generated, for example, by means of a pulse ignition device whose components can be arranged in the lamp base 15.
  • the invention is not limited to the embodiment explained in more detail above.
  • the width of the strip-like portion of the coating 107 can be reduced so that the coating 107 in the region of the discharge space 106 has a significantly smaller width than the portion of the coating arranged on the base-side end 102 107.
  • This allows the Breakdown voltage of the discharge path of the high-pressure discharge lamp according to the bar 4 of FIG. 4 be lowered to about 18.8 kV.
  • the Zündinsbe slaughterung 107 may extend in the region of the socket-side sealed end 102 or or and in the region of the discharge space 106 over the entire circumference of the discharge vessel 10.
  • discharge vessel 10 are mounted with the Zündinsbe Anlagenung 107 in the lamp cap 15 such that provided with the Zündangesbe Anlagenung 107 sealed end 102 is formed as the base remote end and the uncoated sealed end 101 of the discharge vessel 10 as a socket-side end of Hochdnickentladungslampe.
  • the Zündangesbe Anlagenung 107 may be arranged instead of on the socket-side end 102 on the socket remote end 101 of the discharge vessel 10 of the high-pressure discharge lamp.
  • the Zündinsbe slaughterung 107 may also extend to both sealed ends 101, 102 of the discharge vessel 10.
  • the ignition voltage is preferably polarized such that the electrodes 11 and 12 inserted in the coated ends 101 and 102, respectively is connected to the positive pole of the ignition voltage or in the case of unipolar, negative ignition voltage pulses to ground.
  • the coating 107 can also consist of another light-transmitting, electrically conductive material.
  • it may be formed as a so-called ITO layer, that is, an indium tin oxide layer.
  • the ITO layer may comprise, for example, 90 weight percent indium oxide and 10 weight percent tin oxide.
  • the coating 107 may for example be electrically coupled to an ignition device by suitable means in order to apply to the high-pressure discharge lamp via the coating 107 voltage pulses for igniting the gas discharge in the discharge space 106.
  • the invention may also be applied to the conventional mercury-containing metal halide high-intensity discharge lamps in order to achieve the advantages described above.

Claims (5)

  1. Lampe à décharge à haute pression comportant une enceinte de décharge (10) scellée des deux côtés, une charge ionisable confinée dans l'espace de décharge (106) de l'enceinte de décharge (10) et des électrodes (11, 12) s'étendant dans l'espace de décharge (106) destinées à produire une décharge gazeuse ainsi que des arrivées de courant (13, 14) sortant des extrémités scellées (101, 102) de l'enceinte de décharge (10) pour les électrodes (11, 12), l'enceinte de décharge (10) étant pourvue d'un revêtement électroconducteur (107) qui est conçu comme aide à l'amorçage, le revêtement électroconducteur (107) étant disposé dans une rainure (109) de forme annulaire entourant l'enceinte de décharge (10) et ménagée dans la surface de l'enceinte de décharge entre l'espace de décharge (106) et une première extrémité scellée (102) de l'enceinte de décharge (10) et s'étendant dans la rainure (109) sur tout le pourtour de l'enceinte de décharge (10), et le revêtement électroconducteur (107) étant disposé en plus sur une partie de surface de la première extrémité scellée (102) et s'étendant sur une portion de surface de la partie de l'enceinte de décharge (10) entourant l'espace de décharge (106), ledit revêtement (107) étant réalisé de façon à laisser passer la lumière et l'arrivée de courant (14) sortant de la première extrémité scellée (102) de l'enceinte de décharge (10) étant prévue pour être alimentée avec la tension d'amorçage nécessaire pour amorcer la décharge gazeuse dans la lampe à décharge à haute pression.
  2. Lampe à décharge à haute pression selon la revendication 1, le revêtement (107) étant disposé en plus dans une rainure (108) de forme annulaire entourant l'enceinte de décharge (10) et ménagée dans la surface de l'enceinte de décharge entre l'espace de décharge (106) et la deuxième extrémité scellée (101) de l'enceinte de décharge (10).
  3. Lampe à décharge à haute pression selon la revendication 2, le revêtement (107) s'étendant dans les rainures (108, 109) sur tout le pourtour de l'enceinte de décharge (10).
  4. Lampe à décharge à haute pression selon l'une des revendications 1 à 3, laquelle lampe est prévue pour fonctionner en position horizontale avec des électrodes (11, 12) disposées dans un plan horizontal, le revêtement (107) sur la portion de surface de la partie de l'enceinte de décharge (10) entourant l'espace de décharge (106) étant disposé au-dessous des électrodes (11, 12).
  5. Lampe à décharge à haute pression selon l'une des revendications 1 à 4, l'arrivée de courant (14) sortant de la première extrémité scellée (102) de l'enceinte de décharge (10) étant reliée à au moins une feuille de molybdène (104) noyée dans la première extrémité scellée (102) et ladite au moins une feuille de molybdène (104) étant orientée de telle façon que l'un de ses deux côtés est tourné vers le revêtement (107) disposé sur la portion de surface de la première extrémité scellée (102).
EP07726322.6A 2006-02-15 2007-02-06 Lampe à décharge à haute pression Expired - Fee Related EP1984936B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006007218A DE102006007218A1 (de) 2006-02-15 2006-02-15 Hochdruckentladungslampe
PCT/EP2007/051129 WO2007093525A1 (fr) 2006-02-15 2007-02-06 Lampe à décharge à haute pression

Publications (2)

Publication Number Publication Date
EP1984936A1 EP1984936A1 (fr) 2008-10-29
EP1984936B1 true EP1984936B1 (fr) 2014-04-02

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ID=37908010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726322.6A Expired - Fee Related EP1984936B1 (fr) 2006-02-15 2007-02-06 Lampe à décharge à haute pression

Country Status (7)

Country Link
US (1) US8013508B2 (fr)
EP (1) EP1984936B1 (fr)
JP (1) JP2009527082A (fr)
CN (1) CN101385118A (fr)
CA (1) CA2641122A1 (fr)
DE (1) DE102006007218A1 (fr)
WO (1) WO2007093525A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7772749B2 (en) * 2007-05-01 2010-08-10 General Electric Company Wavelength filtering coating for high temperature lamps
WO2009030265A1 (fr) * 2007-08-29 2009-03-12 Osram Gesellschaft mit beschränkter Haftung Lampe à dispositif auxiliaire d'amorçage appliqué directement
EP2405464A4 (fr) 2009-03-06 2014-09-17 Harison Toshiba Lighting Corp Lampe à décharge pour véhicule, dispositif de lampe à décharge pour véhicule, dispositif de lampe à décharge pour véhicule du type combiné à un circuit d'éclairage, et circuit d'éclairage
JP5493694B2 (ja) * 2009-06-25 2014-05-14 東芝ライテック株式会社 放電ランプ
JP5418886B2 (ja) * 2009-04-23 2014-02-19 東芝ライテック株式会社 放電ランプおよびその製造方法
DE102009047861A1 (de) * 2009-09-30 2011-03-31 Osram Gesellschaft mit beschränkter Haftung Hochdruckentladungslampe mit kapazitiver Zündhilfe
DE102010001209A1 (de) 2010-01-26 2011-07-28 Osram Gesellschaft mit beschränkter Haftung, 81543 Hochdruckentladungslampe
JP2011228013A (ja) * 2010-04-15 2011-11-10 Koito Mfg Co Ltd 車輌用放電灯
US8659225B2 (en) 2011-10-18 2014-02-25 General Electric Company High intensity discharge lamp with crown and foil ignition aid
US8766518B2 (en) 2011-07-08 2014-07-01 General Electric Company High intensity discharge lamp with ignition aid
DE202011103862U1 (de) 2011-07-29 2011-10-24 Osram Ag Hochdruckentladungslampe

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707247A (en) * 1951-06-05 1955-04-26 Hanovia Chemical & Mfg Co Vapor electric discharge lamp
US4701664A (en) * 1986-01-09 1987-10-20 Becton, Dickinson And Company Mercury arc lamp suitable for inclusion in a flow cytometry apparatus
US4804886A (en) * 1987-01-02 1989-02-14 James D. Nolan Electric lamp with composite safety coating and process of manufacture
JPH0660851A (ja) 1992-08-07 1994-03-04 Matsushita Electric Ind Co Ltd メタルハライドランプとその製造方法
JPH06290754A (ja) 1993-03-31 1994-10-18 Toshiba Lighting & Technol Corp 高圧放電灯および該放電灯を用いた半導体露光装置並びに映写装置
DE9401436U1 (de) * 1994-01-28 1994-03-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metallhalogenidentladungslampe für Projektionszwecke
JPH07262967A (ja) 1994-03-28 1995-10-13 Matsushita Electron Corp 高圧放電ランプおよびその製造方法
DE19610387A1 (de) * 1996-03-16 1997-09-18 Bosch Gmbh Robert Gasentladungslampe, insbesondere für Kraftfahrzeug-Scheinwerfer
JP3224993B2 (ja) 1996-11-05 2001-11-05 松下電器産業株式会社 高圧放電ランプ及びその製造方法
DE19844548A1 (de) 1998-09-29 2000-03-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampe und Beleuchtungssystem mit einer Entladungslampe
JP3337658B2 (ja) * 1999-01-26 2002-10-21 浜松ホトニクス株式会社 放電管用電極及びこれを用いた放電管
US6172462B1 (en) 1999-11-15 2001-01-09 Philips Electronics North America Corp. Ceramic metal halide lamp with integral UV-enhancer
JP2003529194A (ja) * 2000-03-28 2003-09-30 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング とりわけ自動車のヘッドランプに用いられるガス放電ランプ
JP2002270386A (ja) 2001-03-13 2002-09-20 Ushio Inc 光源装置
JP2005129400A (ja) 2003-10-24 2005-05-19 Sharp Corp 光源装置、およびそれを用いた投影型表示装置
EP1632985B1 (fr) * 2004-09-07 2014-06-25 OSRAM GmbH Lampe à decharge haute pression
DE102004057852A1 (de) 2004-11-30 2006-06-01 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe
DE102004056002A1 (de) * 2004-11-19 2006-05-24 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe mit Impulszündvorrichtung und Betriebsverfahren für eine Hochdruckentladungslampe
US7187131B2 (en) * 2004-12-14 2007-03-06 Osram Sylvania Inc. Discharge lamp with internal starting electrode
DE102005003129A1 (de) 2005-01-21 2006-07-27 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe
US7772749B2 (en) * 2007-05-01 2010-08-10 General Electric Company Wavelength filtering coating for high temperature lamps

Also Published As

Publication number Publication date
US20090009084A1 (en) 2009-01-08
US8013508B2 (en) 2011-09-06
WO2007093525A1 (fr) 2007-08-23
CA2641122A1 (fr) 2007-08-23
EP1984936A1 (fr) 2008-10-29
DE102006007218A1 (de) 2007-08-16
CN101385118A (zh) 2009-03-11
JP2009527082A (ja) 2009-07-23

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