EP0702394B1 - Metallhalogenid-Hochdruckentladungslampe - Google Patents
Metallhalogenid-Hochdruckentladungslampe Download PDFInfo
- Publication number
- EP0702394B1 EP0702394B1 EP95112860A EP95112860A EP0702394B1 EP 0702394 B1 EP0702394 B1 EP 0702394B1 EP 95112860 A EP95112860 A EP 95112860A EP 95112860 A EP95112860 A EP 95112860A EP 0702394 B1 EP0702394 B1 EP 0702394B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filling
- lamp according
- discharge vessel
- halides
- hand
- 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 - Lifetime
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- 229910001507 metal halide Inorganic materials 0.000 title claims description 16
- 150000005309 metal halides Chemical class 0.000 title claims description 14
- 229910052792 caesium Inorganic materials 0.000 claims description 16
- 229910052735 hafnium Inorganic materials 0.000 claims description 15
- 229910052716 thallium Inorganic materials 0.000 claims description 15
- 229910052726 zirconium Inorganic materials 0.000 claims description 12
- 150000004820 halides Chemical class 0.000 claims description 10
- 150000002910 rare earth metals Chemical class 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims 1
- 229910052740 iodine Inorganic materials 0.000 claims 1
- 239000011630 iodine Substances 0.000 claims 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 8
- 238000009877 rendering Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 239000011888 foil Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- LYQFWZFBNBDLEO-UHFFFAOYSA-M caesium bromide Chemical compound [Br-].[Cs+] LYQFWZFBNBDLEO-UHFFFAOYSA-M 0.000 description 2
- 238000004031 devitrification Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- PGAPATLGJSQQBU-UHFFFAOYSA-M thallium(i) bromide Chemical compound [Tl]Br PGAPATLGJSQQBU-UHFFFAOYSA-M 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 208000034656 Contusions Diseases 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000009519 contusion Effects 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- GBLDKMKYYYAAKD-UHFFFAOYSA-K dysprosium(3+);tribromide Chemical compound [Br-].[Br-].[Br-].[Dy+3] GBLDKMKYYYAAKD-UHFFFAOYSA-K 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- OCVXZQOKBHXGRU-UHFFFAOYSA-N iodine(1+) Chemical compound [I+] OCVXZQOKBHXGRU-UHFFFAOYSA-N 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- -1 metal halide metal halide Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- MDMUQRJQFHEVFG-UHFFFAOYSA-J thorium(iv) iodide Chemical compound [I-].[I-].[I-].[I-].[Th+4] MDMUQRJQFHEVFG-UHFFFAOYSA-J 0.000 description 1
- HQSWGSFQSCMHFQ-UHFFFAOYSA-K thulium(3+);tribromide Chemical compound [Br-].[Br-].[Br-].[Tm+3] HQSWGSFQSCMHFQ-UHFFFAOYSA-K 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
-
- 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
-
- 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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/14—Selection of substances for gas fillings; Specified operating pressure or temperature having one or more carbon compounds as the principal constituents
-
- 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
- H01J61/34—Double-wall vessels or containers
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
Definitions
- the discharge tubes of the lamps are usually sealed on two sides, e.g. by means of Contusions or melts and surrounded by an outer bulb. It However, versions sealed on one side are also possible.
- EP-A 0 391 283 discloses a metal halide high-pressure discharge lamp without an outer bulb for optical applications, which is also suitable for outdoor lighting.
- the power consumption is in the range between approx. 1000 W and 4000 W, with wall loads in the order of 30 W to 60 W per cm 2 wall area of the discharge vessel and specific arc powers of approx. 67 W / mm.
- the discharge vessel contains a filling of argon (Ar) and mercury (Hg) and per cm 3 discharge volume the rare earth metals (SE) dysprosium bromide (DyBr 3 , 1 ⁇ mol) and thulium bromide (TmBr 3 , 0.5 ⁇ mol), as well as 1 ⁇ mol thallium bromide (TlBromide) , 2 ⁇ mol cesium bromide (CsBr) and 0.5 ⁇ mol thorium iodide (ThJ 4 ).
- the thorium (Th) can be replaced by hafnium (Hf).
- EP-A 0 492 205 discloses a metal halide metal halide high-pressure discharge lamp for optical applications. Typical power levels are 400W, 575 W and 4000 W, with arc powers from approx. 95 W to 200 W per mm arc length.
- the disadvantage is the short lifespan of only approx. 300 h.
- Another filling system uses cobalt (Co) and / or dysprosium (Dy) and gadolinium (Gd). However, the service life is only approx. 500 h.
- the invention has for its object to eliminate the disadvantages mentioned and to provide a metal halide high-pressure discharge lamp which has a color temperature between 4000 K and 7000 K, a color rendering index R a ⁇ 90 and at the same time a long service life (at least 1000 h).
- the discharge vessel contains an ionizable filling, consisting of at least one inert gas, mercury, at least one halogen and the following elements to form corresponding halides: Tl, Cs, Hf, where the Hf can be replaced in whole or in part by Zr and the two or one of the two rare earth metals (SE) Dy and / or Gd. I and / or Br are preferably used as halogens for the formation of the halides.
- the inert gas for example Ar with a typical filling pressure in the order of up to approx. 40 kPa, is used to ignite the discharge.
- the desired operating voltage is set by Hg and is typically in the range between approx. 4 mg and 25 mg per cm 3 of vessel volume for operating voltages between 120 V and 95 V.
- the molar ratio between the filling fraction of Hf or Zr on the one hand and the Filling share of Dy or the sum of the filling shares of SE Dy and Gd on the other hand is at least 0.35.
- the molar ratio is preferably in the range between 0.5 and 1.5.
- the ratio is preferred for high wall loads in the range between 1 and 2.5
- Hf (or Zr): Cs at least 0.35 for high Wall loads, the ratio is preferably in the range between 0.5 and 1.
- Das Molar ratio between the filling fraction of Hf or Zr on the one hand and the sum the filling proportions of the SE (i.e. Dy and / or Gd) as well as Tl and Cs on the other is at least 0.14, the ratio is preferred for high wall loads in the range between 0.2 and 0.5.
- the molar filling quantity of Hf or Zr is in the range between 0.005 ⁇ mol and 35 ⁇ mol, preferably in the range between 0.05 ⁇ mol and 5 ⁇ mol per cm 3 of the volume of the discharge vessel.
- the filling quantities of Cs, Tl, Dy and possibly Gd are up to 30 ⁇ mol, up to 15 ⁇ mol, up to 30 ⁇ mol or up to 0.6 ⁇ mol per cm 3 of the vessel volume.
- the 150 W high-pressure discharge lamp 1 shown schematically in FIG. 1 consists of a discharge vessel 2 made of quartz glass, which is squeezed on both sides and is enclosed by an evacuated outer bulb 3 which is base on both sides.
- the electrodes 4, 5, which are opposite each other at a distance of 10 mm, are melted in a gas-tight manner into the discharge vessel 2 by means of foils 6, 7 made of molybdenum, and via the current leads 8, 9, the sealing foils 10, 11 of the outer bulb 3 and via further short current leads with the electrical ones Connections of the ceramic base (R7s) 12, 13 connected.
- a getter material 14 applied to a metal plate is additionally melted potential-free via a piece of wire.
- the ends 15, 16 of the discharge vessel 2 are provided with a heat-reflecting coating.
- the volume of the discharge vessel is approximately 1.8 cm 3 .
- the filling contains 23 mg Hg and 14 kPa Ar as the base gas.
- the discharge vessel 2 contains the metal halides listed in Table 1a below.
- the resulting respective molar ratios between Hf and Zr on the one hand and Cs, Tl, Dy and the sum of the proportions of Cs, Tl and Dy on the other are given in Table 1b.
- the specific arc power and the operating voltage are 15 W per mm arc length or 105 V.
- Table 1c shows the lighting values achieved. Two metal halide compositions of the lamp from FIG. 1.
- FIG. 2 An embodiment of a 400 W lamp is shown schematically in Figure 2.
- the discharge vessel is squeezed on two sides 2, which is enclosed by a cylindrical evacuated outer bulb 3 made of tempered glass which is capped on one side.
- One end of the outer bulb 3 has a rounded crest 17, whereas the other end has a screw base 12 having.
- a holding frame 18 fixes the discharge vessel 2 axially inside the Outer bulb 3.
- the holding frame 18 consists of two in a manner known per se Lead wires, one of which is connected to the power supply 8 near the base Discharge vessel is connected.
- the other lead wire is over a solid one Metal support wire, which extends along the discharge vessel 2, for the base remote Power supply 9 is guided.
- It also has a guide element on the base near the base End 15 of the discharge vessel (in the form of a stamped sheet) and a support near the top 17 in the form of a pitch circle.
- the ends 15, 16 of the discharge vessel 2 are provided with a heat-reflecting covering.
- the filling contains 60 mg Hg and 8 kPa Ar as the base gas.
- the discharge vessel 2 contains the metal halides listed in Table 2a below.
- the resulting respective molar ratios between Hf on the one hand and Cs, Tl, Dy and the sum of the proportions of Cs, Tl and Dy on the other are given in Table 2b.
- the electrode spacing and the volume of the discharge vessel are 30 mm and approx. 14.5 cm 3 .
- the arc power and the burning voltage are 15 W per mm arc length or 120 V.
- Table 2c shows the lighting values achieved.
- Figure 3 shows a 575 W lamp 1 in a schematic representation. It consists of one discharge vessel 2, sealed on two sides, made of quartz glass, which is surrounded by a cylindrical, evacuated outer bulb 3 is enclosed on one side. One end of the Outer bulb 3 has a rounded tip 17, whereas the other end has a pinch seal and is cemented into a plug base 19.
- the in The electrodes 4, 5 are 7 mm apart and are separated by means of foils 6.7 melted from molybdenum gas-tight into the discharge vessel 2.
- the Power leads 8,9 are each with the first ends of two solid lead wires 20, 21 connected. The second ends of the lead wires 20, 21 are in the Squeezed foot of the outer bulb 3, whereby the discharge vessel 2 axially in Inside the outer bulb 3 is fixed. By means of the sealing foils 22, 23 of the foot and the lead wires 20, 21 are connected to the electrical connections 24, 25 of the plug base 19 connected.
- One in socket 19 mica plate 26 arranged between the connections 24, 25 serves for the electrical Insulation.
- the filling contains 60 mg Hg and 22 kPa Ar as the base gas.
- the discharge vessel 2 contains the metal halides listed in Table 3a below.
- the electrode spacing and the volume of the discharge vessel are 7 mm and approx. 3.5 cm 3, respectively.
- the arc power and the burning voltage are 82 W per mm arc length or 95 V.
- Table 3c shows the lighting values achieved. Two metal halide compositions of the lamp from FIG. 3.
Landscapes
- Discharge Lamp (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
- Fig. 1
- den Aufbau einer zweiseitig gesockelten Hochdruckentladungslampe mit zweiseitig gequetschtem Entladungsgefäß für eine Leistungsaufnahme von 150 W,
- Fig. 2
- den Aufbau einer einseitig gesockelten Hochdruckentladungslampe mit zweiseitig gequetschtem Entladungsgefäß für eine Leistungsaufnahme von 400 W,
- Fig. 3
- den Aufbau einer einseitig gesockelten Hochdruckentladungslampe mit zweiseitig gedichtetem Entladungsgefäß für eine Leistungsaufnahme von 575 W,
Zwei Metallhalogenid-Kompositionen der Lampe aus Figur 1. | ||
Bestandteile in mg | Füllung I | Füllung II |
CsI | 0,6 | 0,6 |
TII | 0,42 | 0,42 |
DyI3 | 1,23 | 1,23 |
HfI4 | 0,6 | - |
ZrI4 | - | 0,52 |
Molverhältnisse von Hf bzw. Zr zu den weiteren Hauptbestandteilen der Metallhalogenid-Kompositionen aus Tabelle 1a. | ||
Molverhältnisse | Füllung I | Füllung II |
Hf (bzw. Zr):Cs | 0,38 | 0,43 |
Hf (bzw. Zr):Tl | 0,69 | 0,79 |
Hf (bzw. Zr):Dy | 0,39 | 0,44 |
Hf (bzw. Zr):Σ(Cs,Tl,Dy) | 0,15 | 0,17 |
Mit den Füllungen aus Tabelle 1a erzielte lichttechnische Werte. | |
Lichtstrom in lm | 11200 |
Lichtausbeute in lm/W | 75 |
Farbtemperatur in K | 5200 |
Ra | 95 |
R9 | 90 |
Lebensdauer in h | 6000 |
Metallhalogenid-Komposition der Lampe aus Figur 2. | |
Bestandteile in mg | |
CsI | 2,27 |
TII | 1,58 |
DyI3 | 4,65 |
HfI4 | 2,27 |
Molverhältnisse von Hf zu den weiteren Hauptbestandteilen der Metallhalogenid-Komposition aus Tabelle 2a. | |
Molverhältnisse | |
Hf:Cs | 0,38 |
Hf:TI | 0,69 |
Hf:Dy | 0,39 |
Hf:Σ(Cs,Tl,Dy) | 0,15 |
Mit der Füllung aus Tabelle 2a erzielte lichttechnische Werte. | |
Lichtstrom in lm | 32400 |
Lichtausbeute in lm/W | 81 |
Farbtemperatur in K | 5200 |
Ra | 96 |
R9 | 91 |
Lebensdauer in h | 6000 |
Zwei Metallhalogenid-Kompositionen der Lampe aus Figur 3. | ||
Bestandteile in mg | Füllung I | Füllung II |
CsI | 0,8 | 0,88 |
TII | 0,4 | 0,39 |
DyI3 | 1,5 | 1,26 |
GdI3 | - | 0,16 |
HfBr4 | - | 1,16 |
HfI4 | 1,3 | - |
HgI2 | - | 1,63 |
HgBr2 | 3,6 | 0,52 |
Molverhältnisse von Hf zu den weiteren Hauptbestandteilen der Metallhalogenid-Kompositionen aus Tabelle 3a. | ||
Molverhältnisse | Füllung I | Füllung II |
Hf:Cs | 0,62 | 0,69 |
Hf:Tl | 1,57 | 1,98 |
Hf:ΣSE | 0,69 | 0,89 |
Hf:Σ(Cs,Tl,SE) | 0,27 | 0,32 |
Claims (21)
- Metallhalogenid-Hochdruckentladungslampe mit einem Entladungsgefäß, zwei Elektroden und einer ionisierbaren Füllung, bestehend aus mindestens einem Inertgas, Quecksilber, mindestens einem Halogen und den folgenden Elementen zur Bildung von Halogeniden: Tl, Cs, Hf, wobei Hf ganz oder teilweise durch Zr ersetzt sein kann, sowie die beiden oder eines der beiden Seltenen Erdmetalle (SE) Dy und/oder Gd.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß das Molverhältnis zwischen dem Füllungsanteil von Hf bzw. Zr einerseits und der Summe der Füllungsanteile der SE andererseits mindestens 0,35 beträgt.
- Lampe nach Anspruch 2, dadurch gekennzeichnet, daß das Molverhältnis bevorzugt im Bereich zwischen 0,5 und 1,5 liegt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß das Molverhältnis zwischen dem Füllungsanteil von Hf bzw. Zr einerseits und der Summe der Füllungsanteile der SE, Tl und Cs andererseits mindestens 0,14 beträgt.
- Lampe nach Anspruch 4, dadurch gekennzeichnet, daß das Molverhältnis bevorzugt im Bereich zwischen 0,2 und 0,5 liegt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß das Molverhältnis zwischen dem Füllungsanteil von Hf bzw. Zr einerseits und dem Füllungsanteil von Tl andererseits mindestens 0,65 beträgt.
- Lampe nach Anspruch 6, dadurch gekennzeichnet, daß das Molverhältnis bevorzugt im Bereich zwischen 1 und 2,5 liegt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß das Molverhältnis zwischen dem Füllungsanteil von Hf bzw. Zr einerseits und dem Füllungsanteil von Cs andererseits mindestens 0,35 beträgt.
- Lampe nach Anspruch 8, dadurch gekennzeichnet, daß das Molverhältnis bevorzugt im Bereich zwischen 0,5 und 1 liegt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß die Füllmenge der Halogenide von Hf bzw. Zr im Bereich zwischen 0,005 µmol und 35 µmol pro cm3 des Volumens des Entladungsgefäßes liegt.
- Lampe nach Anspruch 10, dadurch gekennzeichnet, daß die Füllmenge der Halogenide von Hf bzw. Zr bevorzugt im Bereich zwischen 0,05 µmol und 5 µ mol pro cm3 des Volumens des Entladungsgefäßes liegt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß die Füllmenge der Halogenide von Cs bis 30 µmol pro cm3 des Volumens des Entladungsgefäßes beträgt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß die Füllmenge der Halogenide von Tl bis 15 µmol pro cm3 des Volumens des Entladungsgefäßes beträgt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß die Füllmenge der Halogenide von Dy bis 30 µmol pro cm3 des Volumens des Entladungsgefäßes beträgt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß die Füllmenge der Halogenide von Gd im Bereich zwischen 0 µmol und 0,6 µmol pro cm3 des Volumens des Entladungsgefäßes liegt.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß als Halogene zur Bildung von Halogeniden Jod und/oder Brom verwendet sind.
- Lampe nach Anspruch 1, dadurch gekennzeichnet, daß das Entladungsgefäß innerhalb eines ein- oder beidseitig gesockelten Außenkolbens angeordnet ist.
- Lampe nach Anspruch 17, dadurch gekennzeichnet, daß der Raum zwischen Entladungsgefäß und Außenkolben evakuiert ist.
- Lampe nach Anspruch 17, dadurch gekennzeichnet, daß der Raum zwischen Entladungsgefäß und Außenkolben eine Gasfüllung enthält.
- Lampe nach Anspruch 19, dadurch gekennzeichnet, daß die Gasfüllung aus bis zu 70 kPa N2 besteht.
- Lampe nach Anspruch 19, dadurch gekennzeichnet, daß die Gasfüllung aus bis zu 40 kPa CO2 besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4432611A DE4432611A1 (de) | 1994-09-14 | 1994-09-14 | Metallhalogenid-Hochdruckentladungslampe |
DE4432611 | 1994-09-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0702394A2 EP0702394A2 (de) | 1996-03-20 |
EP0702394A3 EP0702394A3 (de) | 1998-04-29 |
EP0702394B1 true EP0702394B1 (de) | 2000-01-05 |
Family
ID=6528114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95112860A Expired - Lifetime EP0702394B1 (de) | 1994-09-14 | 1995-08-16 | Metallhalogenid-Hochdruckentladungslampe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0702394B1 (de) |
JP (1) | JPH0896748A (de) |
CA (1) | CA2156472A1 (de) |
DE (2) | DE4432611A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998017944A1 (en) * | 1996-10-18 | 1998-04-30 | Walter Wadey & Co. Pty. Ltd. | Flood light or luminaire construction |
DE19645959A1 (de) * | 1996-11-07 | 1998-05-14 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Metallhalogenid-Hochdruckentladungslampe |
EP1292966A1 (de) * | 2000-06-07 | 2003-03-19 | Koninklijke Philips Electronics N.V. | Hochdruckentladungslampe |
WO2005088674A1 (ja) * | 2004-03-12 | 2005-09-22 | Matsushita Electric Industrial Co., Ltd. | 金属蒸気放電ランプとその製造方法、およびリフレクタ付きランプ |
DE102004019185A1 (de) * | 2004-04-16 | 2005-11-10 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Hochdruckentladungslampe |
WO2007085985A1 (en) * | 2006-01-25 | 2007-08-02 | Koninklijke Philips Electronics N.V. | Tld low-pressure gas discharge lamp |
US7486026B2 (en) * | 2006-11-09 | 2009-02-03 | General Electric Company | Discharge lamp with high color temperature |
WO2008126020A2 (en) * | 2007-04-13 | 2008-10-23 | Koninklijke Philips Electronics N.V. | Discharge lamp comprising a monoxide radiation emitting material and a non-metal material |
EP2137752A2 (de) * | 2007-04-13 | 2009-12-30 | Koninklijke Philips Electronics N.V. | Entladungslampe mit strahlungsemittierendem monoxidmaterial |
WO2008126021A2 (en) * | 2007-04-13 | 2008-10-23 | Koninklijke Philips Electronics N.V. | Discharge lamp comprising electrodes and a monoxide radiation emitting material |
JP5074248B2 (ja) | 2008-03-14 | 2012-11-14 | 株式会社オーク製作所 | エキシマランプ |
US20120014114A1 (en) | 2009-03-27 | 2012-01-19 | Koninklijke Philips Electronics N.V. | Gobo projector and moving head |
DE102010038537A1 (de) * | 2010-07-28 | 2012-02-02 | Osram Ag | Hochdruckentladungslampe |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3761758A (en) * | 1972-01-27 | 1973-09-25 | Gte Sylvania Inc | Metal halide lamp containing mercury, light emitting metal, sodium and another alkali metal |
DE8912495U1 (de) * | 1989-04-04 | 1990-01-11 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Zweiseitig gesockelte Hochdruckentladungslampe |
DE3910878A1 (de) | 1989-04-04 | 1990-10-11 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Zweiseitig gesockelte hochdruckentladungslampe |
DE4040858A1 (de) | 1990-12-20 | 1992-06-25 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Metallhalogenid-hochdruckentladungslampe |
-
1994
- 1994-09-14 DE DE4432611A patent/DE4432611A1/de not_active Withdrawn
-
1995
- 1995-08-16 EP EP95112860A patent/EP0702394B1/de not_active Expired - Lifetime
- 1995-08-16 DE DE59507563T patent/DE59507563D1/de not_active Expired - Fee Related
- 1995-08-18 CA CA002156472A patent/CA2156472A1/en not_active Abandoned
- 1995-09-07 JP JP7254452A patent/JPH0896748A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0702394A3 (de) | 1998-04-29 |
CA2156472A1 (en) | 1996-03-15 |
DE4432611A1 (de) | 1996-03-21 |
DE59507563D1 (de) | 2000-02-10 |
JPH0896748A (ja) | 1996-04-12 |
EP0702394A2 (de) | 1996-03-20 |
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