EP2024988B1 - High-pressure discharge with metal-halide filling - Google Patents

High-pressure discharge with metal-halide filling 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
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Prior art keywords
fill
lamp according
pressure discharge
discharge lamp
discharge vessel
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EP07729729A
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German (de)
French (fr)
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EP2024988A1 (en
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Hans Eisemann
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Osram GmbH
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Osram GmbH
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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)

Abstract

A metal-halogenide filling for forming an ionisable filling comprises at least one inert gas, mercury and at least one halogen, the filling including at least the components Rb-halogenide and Mn-halogenide. This filling can in particular be contained in the discharge container of a metal-halogenide lamp.

Description

Technisches GebietTechnical area

Die Erfindung geht aus von einer Hochdruckentladungslampe gemäß dem Oberbegriff des Anspruchs 1. Derartige Füllungen bzw. Lampen sind insbesondere für Allgemeinbeleuchtung oder auch für fotooptische Zwecke gedacht.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.

Stand der TechnikState of the art

Zur Erzielung neutralweißer und tageslichtähnlicher Lichtfarben mit Halogenmetalldampflampen sind verschiedene Metallhalogenid-Füllungen bekannt. Das Patent US-A 2003001502 beschreibt eine Metallhalogenidlampe mit einer Füllung, die Sn, In und den Erdalkalimetallen K, Rb und Cs. Wegen seiner niedrigen Ionisierungsenergie weitet Cs den Bogen auf, verhindert dessen Einschnüren und senkt die Brennspannung. Nachteilig daran ist, dass Cs im Infraroten einen beträchtlichen Strahlungsanteil abgibt, der außerhalb des sichtbaren Spektralbereiches liegt und somit die Lichtausbeute reduziert. Das Spektrum einer solchen Lampe ist im Prinzip in Fig. 2 dargestellt. Nachteilig ist weiterhin die relativ hohe Farbortdrift, die in dem Farbortdiagramm in Fig. 8 im Prinzip dargestellt ist.To obtain neutral white and daylight-like light colors with metal halide lamps, various metal halide fillings are known. The patent US-A 2003001502 describes a metal halide lamp with a filling comprising the Sn, In and the alkaline earth metals K, Rb and Cs. Because of its low ionization energy, Cs expands the arc, prevents its constriction and lowers the burning voltage. The disadvantage of this is that Cs emits a significant proportion of radiation in the infrared, which is outside the visible spectral range and thus reduces the luminous efficacy. The spectrum of such a lamp is in principle in Fig. 2 shown. Another disadvantage is the relatively high color locus drift, which is shown in the color locus in Fig. 8 in principle.

Eine Metallhalogenidfüllung mit Mn ist in dem Patent DE-A 19907301 angegeben. Da diese als weiteren Füllungsbestandteil Cs enthält, ist bei dieser Füllung ebenfalls die reduzierte Lichtausbeute nachteilig.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.

Die Verwendung von Rb in Metallhalogenidlampen ist bekannt. So ist eine Quecksilberfreie Halogenmetalldampflampe mit dem Füllungsbestandteil Rb in dem Patent US-A 2003067262 dargestellt. Jedoch ist hier, bedingt durch die Quecksilberfreiheit, die Lichtausbeute relativ gering.The use of Rb in metal halide lamps is known. Thus, a mercury-free metal halide lamp with the filling component Rb in the patent US-A 2003067262 shown. However, here, due to the absence of mercury, the light output is relatively low.

Das Patent JP-A 2004337627 beschreibt als spezielle Anwendung Rubidium in einer Lampe für die photodynamische Therapie.The patent JP-A 2004337627 describes rubidium in a lamp for photodynamic therapy as a special application.

Das Patent JP-B 7282775 gibt eine Metallhalogenidlampe mit einem Dy-TI-System als Füllung an, die zusätzlich Neodym, Kalium und Rubidium enthält. Diese Füllung kommt ohne Cs aus und zeichnet sich durch eine hohe Farbwiedergabe aus. Diese Lampe hat jedoch eine relativ hohe Farbortdrift.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.

Aus der US-A 2004/070322 und der EP 1 530 231 sind Hochdruckentladungslampen bekannt, die Rb-Halogenid als Infrarotstrahler verwenden. Aus der US 6 284 165 ist eine Methode bekannt um zuverlässig Metallhalogenidfüllungen unter Verwendung eines Verstärkungsmittels herzustellen und in Lampengefäße einzubringen.From the US-A 2004/070322 and the EP 1 530 231 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.

Darstellung der ErfindungPresentation of the invention

Die Aufgabe der vorliegenden Erfindung ist es, eine Metallhalogenidlampe bereitzustellen, die als Füllung zwar Rb enthält, die jedoch kein Cäsium enthält, wobei eine Farbtemperatur von mindestens 4200 K unter Einhaltung einer sehr guten Farbwiedergabe realisiert wird, insbesondere ist eine Aufgabe der vorliegenden Erfindung, eine Lampe für die Allgemeinbeleuchtung mit einer Lichtfarbe Daylight bis neutralweiß mit einem Ra>90 und insbesondere einem R9>70 zu realisieren.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.

Diese Aufgabe wird gelöst durch die kennzeichnenden Merkmale des Anspruchs 1.This object is achieved by the characterizing features of claim 1.

Besonders vorteilhafte Ausgestaltungen finden sich in den abhängigen Ansprüchen.Particularly advantageous embodiments can be found in the dependent claims.

Im Detail wird die Aufgabe dadurch gelöst, dass die Metallhalogenidfüllung aus Rb- und Mn-Halogenid besteht. Zur weiteren Verbesserung von Ra und R9 sind sie mit weiteren Halogeniden kombiniert. Verwendet werden dazu Halogenide der Elemente Dy, T1, V in Kombination. Vorzugsweise werden auch Ho und/oder Tm verwendet werden.In detail, the object is achieved in that the metal halide consists of Rb and Mn halide. To further improve Ra and R9, they are combined with other halides. Halides of the elements Dy, T1, V in combination are used for this purpose. Preferably also Ho and / or Tm will be used.

Die Kombination aus Rb und Mn vermeidet die Zugabe an Cs, weil Rb ähnlich Cs eine niedrige Ionisierungsenergie hat und somit den Bogen aufweitet.The combination of Rb and Mn avoids the addition of Cs, because Rb similar to Cs has a low ionization energy and thus widens the arc.

Bevorzugt wird falls notwendig eines der weiteren Elemente, jeweils als Halogenid, zugegeben. Für tageslichtähnliche Lichtfarben, insbesondere bei einer Farbtemperatur von mehr als 5300 K, eignet sich vor allem Dy, Ho, Tm, V, T1 als Zusatz, für neutralweiß, insbesondere bei einer Farbtemperatur zwischen 4000 und 5200 K, eignet sich vor allem Dy, V, T1 als Zusatz.If necessary, one of the further elements, in each case as halide, is preferably added. For daylight-like light colors, especially at a color temperature of more than 5300 K, especially Dy, Ho, Tm, V, T1 is an additive, for neutral white, especially at a color temperature between 4000 and 5200 K, is especially Dy, V , T1 as an addition.

Der relative Anteil der Massen der Elemente Rb und Mn zueinander sollte bevorzugt im Bereich 0,15 und 210 liegen. Der Anteil der Massen kann für jedes weitere Metall 0,1 bis 35 µmol pro ml Volumen des Entladungsgefäßes betragen.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.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Im Folgenden soll die Erfindung anhand mehrerer Ausführungsbeispiele näher erläutert werden. Die Figuren zeigen:

Figur 1
eine Metallhalogenidlampe in Seitenansicht;
Figur 2 bis 3
ein Spektrum einer derartigen Lampe sowie einer Vergleichslampe;
Figur 4 bis 5
die Lichtausbeute als Funktion der Lebens- dauer (absolut und relativ) der beiden Lampen aus Figur 2 und 3;
Figur 6 bis 7
die Farbtemperatur und den Farbort als Funktion der Lebensdauer der beiden Lampen aus Figur 2 und 3.
In the following, the invention will be explained in more detail with reference to several embodiments. The figures show:
FIG. 1
a metal halide lamp in side view;
FIGS. 2 to 3
a spectrum of such a lamp and a comparison lamp;
FIGS. 4 to 5
the luminous efficacy as a function of the lifetime (absolute and relative) of the two lamps FIG. 2 and 3 ;
FIGS. 6 to 7
the color temperature and the color location as a function of the life of the two lamps FIG. 2 and 3 ,

Bevorzugte Ausführungsform der ErfindungPreferred embodiment of the invention

Ein Ausführungsbeispiel einer 400 W Metallhalogenidlampe ist in Fig. 1 schematisch dargestellt. Es handelt sich um ein Entladungsgefäß 1, das von einem zylindrischen evakuierten Außenkolben 2 aus Hartglas umschlossen ist, der einseitig gesockelt ist. Das eine Ende des Außenkolbens 2 besitzt eine abgerundete Kuppe 3, wohingegen das andere Ende einen Schraubsockel 4 aufweist. Ein Haltegestell 5 fixiert das Entladungsgefäß 1 axial im Innern des Außenkolbens 2.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

Das Entladungsgefäß besteht aus einem zweiseitig gequetschten Brennerkörper, der zwei Elektroden 6 enthält. Die Enden des Entladungsgefäßes 1 sind mit einem wärmereflektierenden Belag 7 versehen. Das Volumen des Entladungsgefäßes 2 beträgt ca. 8 ml. Als Grundgas befinden sich im Entladungsgefäß 56 mbar Ar. Das Entladungsgefäß wurde mit 29 mg Hg und 14 mg Metallhalogeniden gefüllt. Die Zusammensetzung der Metallhalogenidfüllung ist in Tabelle 1 angegeben. Tabelle 1 Anteil Metallhalogenid / Gew.-% DyJ3 TlJ HoJ3 TmJ3 VJ2 MnJ2 RbJ 27.0 13.5 8.2 8.2 2.1 23.8 17.2 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

Das Entladungsgefäß 1 wird vorzugsweise innerhalb eines Außenkolbens 2 betrieben, der für eine besonders gute Farbwiedergabe evakuiert ist. Zur Erhöhung der Lebensdauer kann der Außenkolben eine Gasfüllung, beispielsweise 70 kPa N2 oder 50 kPa CO2 enthalten, wobei die Farbwiedergabe etwas reduziert ist.The discharge vessel 1 is preferably operated within an outer bulb 2, which is evacuated for a particularly good color rendering. To increase the life of the outer bulb may contain a gas filling, for example, 70 kPa N 2 or 50 kPa CO 2 , the color reproduction is slightly reduced.

Diese Lampe hat bei einem Alter von 100 h eine ähnlichste Farbtemperatur von 5050 K, liegt annähernd auf der Tageslichtkurve (Abstand beträgt 0.0012), besitzt einen allgemeinen Farbwiedergabeindex Ra=94, einen speziellen Farbwiedergabeindex R9=70 und eine Lichtausbeute von 84 lm/W.This lamp has a similar color temperature of 5050 K at an age of 100 h, is approximately on the daylight curve (distance is 0.0012), has a general color rendering index R a = 94, a special color rendering index R 9 = 70 and a luminous efficacy of 84 lm / W.

Fig. 2 zeigt das Spektrum einer 100 h alten Lampe mit markierten Spektrallinien von Rb nach oben genanntem Ausführungsbeispiel. Figur 3 zeigt das Spektrum einer Vergleichslampe mit Cs-haltiger Füllung. Beim Vergleich von Fig. 2 mit Fig. 3 sieht man, dass die Lampe mit Rb wesentlich weniger Strahlungsanteile im Infraroten (Bereich oberhalb 800 nm) abgibt, als die Lampe mit Cs. Dass die Lampe mit Rb und Mn eine höhere Lichtausbeute Eta (η) und höhere Lumen-Maintenance im Vergleich zur Standardfüllung mit Cs aufweist, ist in den Fig. 4 und 5 bis zu einer Lebensdauer von 2500 h dargestellt. Dort ist die Lichtausbeute η als Funktion der Lebensdauer in Stunden absolut dargestellt (Figur 4) und in Prozent, bezogen auf den Anfangswert (Figur 5). 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. When comparing Fig. 2 With Fig. 3 it can be seen that 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 (η) 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. There the luminous efficacy η is absolute as a function of the lifetime in hours represented ( FIG. 4 ) and in percent, based on the initial value ( FIG. 5 ).

Ein weiterer Vorzug der Lampe mit Metallhalogenidfüllung mit Rb und Mn ist ihre überraschend hohe Farbstabilität. Die ähnlichste Farbtemperatur driftet im Zeitraum von 100 h bis 2500 h um nur 70 K (Kreuze). Der Farbort verschiebt sich parallel zur Tageslichtkurve. Dagegen driftet bei der Lampe mit Standardfüllung und Cs die ähnlichste Farbtemperatur um rund 500 K und der Farbort bewegt sich in dem Bereich der Judd'schen Geraden nicht parallel zur Tageslichtkurve (Karos). Dieses Verhalten ist in den Figuren 6 und 7 dargestellt, die die ähnlichste Farbtemperatur als Funktion des Lampenalters (Figur 6) und das Farbortdiagramm (Figur 7) enthalten. ,Another advantage of the lamp with metal halide filling with Rb and Mn is its surprisingly high color stability. The most similar color temperature drifts by only 70 K in the period from 100 h to 2500 h (crosses). The color location shifts parallel to the daylight curve. On the other hand, in the case of the lamp with standard filling and Cs, the closest color temperature drifts by about 500 K and the color locus does not move parallel to the daylight curve in the area of the Juddian straight line. This behavior is in the 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. .

Claims (13)

  1. High-pressure discharge lamp for general lighting or for photooptical purposes, with a discharge vessel (1) and two electrodes (5) and with an ionizable fill contained in the discharge vessel with at least one inert gas, mercury, and with a metal halide fill on the basis of at least one halogen, wherein the fill comprises rubidium halide, and the fill is free from cesium, characterized in that a color temperature of at least 4200 K is realized by virtue of the fill also at least containing the constituent manganese halide and containing in addition also at least a halide of thallium and of vanadium and at least a halide of the rare earth metal Dy.
  2. High-pressure discharge lamp according to Claim 1, characterized in that the halogen is iodine and/or bromine.
  3. High-pressure discharge lamp according to Claim 1, characterized in that the fill additionally contains at least one further halide of one of the rare earth metals Tm and Ho.
  4. High-pressure discharge lamp according to Claim 1, characterized in that the fill contains Rb in a quantity of from 0.01 to 60 µmol per ml of volume of the discharge vessel.
  5. High-pressure discharge lamp according to Claim 1, characterized in that the fill quantity of Mn is 0.01 to 50 µmol per ml of volume of the discharge vessel.
  6. High-pressure discharge lamp according to Claim 1, characterized in that the ratio of the masses of Rb:Mn is between 0.15 and 210.
  7. High-pressure discharge lamp according to Claim 1, characterized in that the proportion of further metal from the group consisting of Tl, Dy, Ho, Tm and V is at least 0.1 µmol per ml of volume of the discharge vessel.
  8. High-pressure discharge lamp according to Claim 7, characterized in that the fill quantity of V is up to 25 µmol per ml of volume of the discharge vessel.
  9. High-pressure discharge lamp according to Claim 7, characterized in that the fill quantity of Dy is up to 35 µmol per ml of volume of the discharge vessel.
  10. High-pressure discharge lamp according to Claim 7, characterized in that the fill quantity of Tl is up to 15 µmol per ml of volume of the discharge vessel.
  11. High-pressure discharge lamp according to Claim 7, characterized in that the fill quantity of Ho is up to 18 µmol per ml of volume of the discharge vessel.
  12. High-pressure discharge lamp according to Claim 7, characterized in that the fill quantity of Tm is up to 18 µmol per ml of volume of the discharge vessel.
  13. High-pressure discharge lamp according to Claim 1, characterized in that the discharge vessel (2) is arranged within an outer bulb (3).
EP07729729A 2006-06-02 2007-05-31 High-pressure discharge with metal-halide filling Not-in-force EP2024988B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006025947A DE102006025947A1 (en) 2006-06-02 2006-06-02 Metal halide filling for a high pressure electric discharge lamp and associated lamp
PCT/EP2007/055326 WO2007141186A1 (en) 2006-06-02 2007-05-31 Metal-halogenide filling for an electric high-pressure discharge lamp and associated lamp

Publications (2)

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

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

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WO2012147014A2 (en) * 2011-04-27 2012-11-01 Koninklijke Philips Electronics N.V. Discharge lamp with high color temperature

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DE102005013003A1 (en) * 2005-03-21 2006-09-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH metal halide
DE202005005202U1 (en) * 2005-04-01 2006-08-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH metal halide
US7714512B2 (en) * 2005-10-19 2010-05-11 Matsushita Electric Industrial Co., Ltd. High red color rendition metal halide lamp
CN101512432A (en) * 2005-12-27 2009-08-19 现代照明技术有限公司 Projection light source and manufacturing method

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

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