EP0037981A1 - Mercury vapour high-pressure lamp with an external tube - Google Patents
Mercury vapour high-pressure lamp with an external tube Download PDFInfo
- Publication number
- EP0037981A1 EP0037981A1 EP81102513A EP81102513A EP0037981A1 EP 0037981 A1 EP0037981 A1 EP 0037981A1 EP 81102513 A EP81102513 A EP 81102513A EP 81102513 A EP81102513 A EP 81102513A EP 0037981 A1 EP0037981 A1 EP 0037981A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- approximately
- discharge lamp
- layer
- mercury vapor
- phosphor
- 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.)
- Ceased
Links
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052753 mercury Inorganic materials 0.000 title abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 229910052693 Europium Inorganic materials 0.000 claims abstract description 5
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 5
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims abstract description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 5
- 239000010452 phosphate Substances 0.000 claims abstract description 5
- QWVYNEUUYROOSZ-UHFFFAOYSA-N trioxido(oxo)vanadium;yttrium(3+) Chemical class [Y+3].[O-][V]([O-])([O-])=O QWVYNEUUYROOSZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009877 rendering Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- CRHLEZORXKQUEI-UHFFFAOYSA-N dialuminum;cobalt(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Co+2].[Co+2] CRHLEZORXKQUEI-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium 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
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
Definitions
- the invention relates to a high-pressure mercury vapor discharge lamp in which the discharge vessel is surrounded by an outer bulb, the inner surface of which is provided with a phosphor layer and the outer surface of which is provided with a filter layer.
- both layers are applied to the inside of the outer bulb, the filter layer consisting of cobalt aluminate and being applied between the inner glass wall of the outer bulb and the phosphor layer (JA-GM 43- 3864).
- the invention is based on the object of designing a high-pressure mercury vapor discharge lamp in such a way that it can be used for decorative exterior and interior lighting with improved color rendering properties.
- the mercury vapor high-pressure discharge lamp with the features mentioned in the preamble of claim 1 is thereby known is characterized in that the phosphor layer consists of a red-emitting phosphor and the filter coating consists of a layer with a transmission at 400 nm of about 40%, at 500 nm of about 60%, at 600 nm of about 70%.
- a yttrium vanadate phosphate activated with europium is suitable as the phosphor.
- the filter layer preferably consists of a chandelier, which according to the innovation should have a golden brown color when the lamp is not lit.
- the latter has the advantage that the lamp, even when not in use, has a decorative appearance, which is further reinforced by the design of the outer bulb in the form of a ball.
- the spherical outer bulb achieves greater resistance to temperature changes due to the lower outer bulb temperature due to the larger volume.
- the discharge lamps according to the innovation in spherical form offer the possibility of using the advantages of the high-pressure discharge lamp even in decorative clear glass luminaires due to the large bulb diameter - low glare - no glare.
- the type and layer of phosphor and the filter layer are matched to one another in such a way that the excessively high proportion of blue and green in the high-pressure mercury lamp is reduced, but not the red-luminescent radiation of the phosphor.
- a discharge lamp with an incandescent-like light color with a color temperature of approximately 2800 K and a color rendering index R 60 is achieved.
- the lamps are suitable for outdoor lighting, e.g. for pedestrian zones, promenades, park and garden lighting as well as lighting components and for indoor lighting for foyers, halls and for decorative lighting tasks with a long service life.
- the discharge vessel 1 made of quartz glass is surrounded by an outer bulb 2, made of soft glass, which has a screw base 3.
- the diameter of the outer bulb is 126 mm.
- the inner surface of the outer bulb 2 is covered with a phosphor made of europium-activated yttrium vanadate phosphate 4.
- the outer surface of the outer bulb 2 is coated with a luster color 5.
- the luster color 5 has the transmission shown in FIG. 2 of approximately 40% at 400 nm, approximately 60% at 500 nm and approximately 70% at 600 nm.
- FIG. 3 shows the spectral radiation flux ⁇ of a 50 W lamp according to the innovation . This spectral distribution gives the color temperature and color rendering data mentioned above.
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Luminescent Compositions (AREA)
Abstract
Quecksilberdampf-Hochdruckentladungslampe, bei der der kugelförmige Außenkolben (2) an der inneren Oberfläche mit einer Leuchtstoffschicht (4) aus einem rotemittierenden Leuchtstoff, z. B. Europium aktiviertes Yttriumvanadat-Phosphat, und an der äußeren Oberfläche mit einer Filterschicht (5) versehen ist. Der Filterüberzug (5), vorzugsweise ein Lüster, weist eine Transmission bei 400 nm von etwa 40%, bei 500 nm von etwa 60%, bei 600 nm von etwa 70% auf. Die Lampe eignet sich für dekorative Außen- und Innenbeleuchtung.High pressure mercury discharge lamp, in which the spherical outer bulb (2) on the inner surface with a phosphor layer (4) made of a red-emitting phosphor, for. B. Europium activated yttrium vanadate phosphate, and is provided on the outer surface with a filter layer (5). The filter cover (5), preferably a chandelier, has a transmission at 400 nm of approximately 40%, at 500 nm of approximately 60%, at 600 nm of approximately 70%. The lamp is suitable for decorative outdoor and indoor lighting.
Description
Die Erfindung betrifft eine Quecksilberdampf-Hochdruckentladungslampe, bei der das Entladungsgefäß von einem Außenkolben umgeben ist, dessen innere Oberfläche mit einer Leuchtstoffschicht und dessen äußere Oberfläche mit einer Filterschicht versehen ist.The invention relates to a high-pressure mercury vapor discharge lamp in which the discharge vessel is surrounded by an outer bulb, the inner surface of which is provided with a phosphor layer and the outer surface of which is provided with a filter layer.
Filterschichten auf dem Hüllkolben aufzubringen ist bekannt. So wird bei einer Quecksilberdampf-Hochdruckentladungslampe mit ellipsoidförmigem Hüllkolben auf der Innenseite des Hüllkolbens ein Leuchtstoff angebracht, der gelbes Licht und solches kürzerer Wellenlänge emittiert, und auf der Außenseite des Hüllkolbens ein Filterbelag aufgebracht, der das gelbe Licht durchläßt und das kürzerwellige Licht absorbiert. Diese Lampe soll statt Natriumdampflampen in der Straßenbeleuchtung an verkehrsgefährdenden Stellen eingesetzt werden (GB-PS 818 423). Bei einer anderen Quecksilberdampf-Hochruckentladungslampe, die für Pflanzenzucht verwendet werden soll, sind beide Schichten auf der Innenseite des Außenkolbens angebracht, wobei die Filterschicht aus Cobalt-Aluminat besteht und zwischen der inneren Glaswand des Außenkolbens und der Leuchtstoffschicht aufgebracht ist (JA-GM 43-3864).It is known to apply filter layers to the envelope flask. In a high-pressure mercury vapor discharge lamp with an ellipsoidal envelope, a phosphor is attached to the inside of the envelope, which emits yellow light and such a shorter wavelength, and a filter coating is applied to the outside of the envelope, which transmits the yellow light and absorbs the shorter-wave light. This lamp is to be used instead of sodium vapor lamps in street lighting in places where there is a risk of traffic (GB-PS 818 423). In another mercury vapor high-pressure discharge lamp that is to be used for plant cultivation, both layers are applied to the inside of the outer bulb, the filter layer consisting of cobalt aluminate and being applied between the inner glass wall of the outer bulb and the phosphor layer (JA-GM 43- 3864).
Der Erfindung liegt die Aufgabe zugrunde, eine Quecksilberdampf-Hochdruckentladungslampe derart auszubilden, daß sie für eine dekorative Außen- und Innenbeleuchtung mit verbesserten Farbwiedergabeeigenschaften verwendet werden kann.The invention is based on the object of designing a high-pressure mercury vapor discharge lamp in such a way that it can be used for decorative exterior and interior lighting with improved color rendering properties.
Die Quecksilberdampf-Hochdruckentladungslampe mit den im Oberbegriff des Anspruchs 1 genannten Merkmalen ist dadurch gekennzeichnet, daß die Leuchtstoffschicht aus einem rotemittierenden Leuchtstoff und der Filterüberzug aus einer Schicht mit einer Transmission bei 400 nm von etwa 40 %, bei 500 nm von etwa 60 %, bei 600 nm von etwa 70 % besteht.The mercury vapor high-pressure discharge lamp with the features mentioned in the preamble of
Als Leuchtstoff ist in Kombination mit der Filterschicht ein mit Europium aktiviertes Yttriumvanadat-Phosphat geeignet. Die Filterschicht besteht vorzugsweise aus einem Lüster, der gemäß der Neuerung bei nicht brennender Lampe eine goldbraune Farbe aufweisen soll. Das letztere hat den Vorteil, daß die Lampe auch, wenn sie nicht betrieben wird, ein dekoratives Aussehen hat, was noch durch die Ausbildung des Außenkolbens in Form einer Kugel verstärkt wird. Zusätzlich wird durch den kugelförmigen Außenkolben wegen der infolge des größeren Volumens geringeren Außenkolbentemperatur eine größere Temperaturwechselbeständigkeit erreicht.In combination with the filter layer, a yttrium vanadate phosphate activated with europium is suitable as the phosphor. The filter layer preferably consists of a chandelier, which according to the innovation should have a golden brown color when the lamp is not lit. The latter has the advantage that the lamp, even when not in use, has a decorative appearance, which is further reinforced by the design of the outer bulb in the form of a ball. In addition, the spherical outer bulb achieves greater resistance to temperature changes due to the lower outer bulb temperature due to the larger volume.
Die Entladungslampen gemäß der Neuerung in Kugelform bieten durch ihre wegen des großen Kolbendurchmessers geringe Leuchtdichte - keine Blendung - und lange Lebensdauer die Möglichkeit, die Vorteile der Hochdruckentladungslampe auch in dekorativen Klarglasleuchten zu nutzen. Leuchtstoffart und -schichtdicke und Filterschicht sind so aufeinander abgestimmt, daß der zu hohe Blau- und Grünanteil der Quecksilberhochdrucklampe vermindert wird, nicht aber die Rotlumineszenzstrahlung des Leuchtstoffes. Durch die Kombination des rotemittierenden Leuchtstoffes mit einer Filterschicht der beanspruchten Transmission wird eine Entladungslampe mit glühlampenähnlicher Lichtfarbe mit einer Farbtemperatur von ungefähr 2800 K und einem Farbwiedergabeindex R 60 erreicht. Demgegenüber haben die üblichen Quecksilberhochdrucklampen mit europiumaktivierten Yttriumvanadat-Phosphat oder ähnlichen Leuchtstoffen eine Farbtemperatur von 3500 K oder höher und einen Farbwiedergabeindex von höchstens R = 46.Due to the large bulb diameter, the discharge lamps according to the innovation in spherical form offer the possibility of using the advantages of the high-pressure discharge lamp even in decorative clear glass luminaires due to the large bulb diameter - low glare - no glare. The type and layer of phosphor and the filter layer are matched to one another in such a way that the excessively high proportion of blue and green in the high-pressure mercury lamp is reduced, but not the red-luminescent radiation of the phosphor. By combining the red-emitting phosphor with a filter layer of the claimed transmission, a discharge lamp with an incandescent-like light color with a color temperature of approximately 2800 K and a color
Die Lampen eignen sich für die Außenbeleuchtung, z.B. für Fußgängerzonen, Promenaden, Park- und Gartenbeleuchtung sowie als Lichtbauelemente und für die Innenbeleuchtung für Foyers, Hallen und für dekorative Beleuchtungsaufgaben mit langer Benutzungsdauer.The lamps are suitable for outdoor lighting, e.g. for pedestrian zones, promenades, park and garden lighting as well as lighting components and for indoor lighting for foyers, halls and for decorative lighting tasks with a long service life.
Ein Ausführungsbeispiel der Erfindung ist in den Figuren 1 bis 3 dargestellt und wird im folgenden näher beschrieben.
- Figur 1a zeigt die Quecksilberdampf-Hochdruckentladungslampe,
- Figur 1b einen Ausschnitt der beschichteten Außenkolbenwand;
Figur 2 zeigt für die Filterschicht die Transmission τ(λ) in Prozent in Abhängigkeit von der Wellenlänge λ in Nanometer;Figur 3 gibt den spektralen Strahlungsfluß φ in Watt pro 5 nm wieder.
- FIG. 1a shows the high-pressure mercury discharge lamp,
- Figure 1b shows a section of the coated outer bulb wall;
- FIG. 2 shows the transmission τ (λ) in percent as a function of the wavelength λ in nanometers for the filter layer;
- FIG. 3 shows the spectral radiation flux φ in watts per 5 nm.
In Figur 1 ist das Entladungsgefäß 1 aus Quarzglas von einem Außenkolben,2 aus Weichglas umgeben, der einen Schraubsockel 3 aufweist. Der Durchmesser des Außenkolbens beträgt 126 mm. Die Innenoberfläche des Außenkolbens 2 ist mit einem Leuchtstoff aus europiumaktiviertem Yttriumvanadat-Phosphat 4 bedeckt. Die Außenoberfläche des Außenkolbens 2 ist mit einer Lüsterfarbe 5 beschichtet. Die Lüsterfarbe 5 hat dabei die in Figur 2 dargestellte Transmission von etwa 40 % bei 400 nm, etwa 60 % bei 500 nm und etwa 70 % bei 600 nm. In Figur 3 ist der spektrale Strahlungsfluß φ einer 50 W-Lampe gemäß der Neuerung dargestellt. Diese spektrale Verteilung ergibt die obengenannten Farbtemperatur- und Farbwiedergabedaten.In FIG. 1, the
Claims (5)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19808010444U DE8010444U1 (en) | 1980-04-16 | 1980-04-16 | MERCURY VAPOR HIGH PRESSURE DISCHARGE LAMP WITH EXTERNAL PISTON |
| DE8010444U | 1980-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0037981A1 true EP0037981A1 (en) | 1981-10-21 |
Family
ID=6714768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP81102513A Ceased EP0037981A1 (en) | 1980-04-16 | 1981-04-03 | Mercury vapour high-pressure lamp with an external tube |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4393331A (en) |
| EP (1) | EP0037981A1 (en) |
| JP (1) | JPS56167252A (en) |
| DE (1) | DE8010444U1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4499397A (en) * | 1982-11-05 | 1985-02-12 | General Electric Company | Color corrective coating for arc lamp |
| EP0181400B1 (en) * | 1984-05-09 | 1992-03-04 | Mitsubishi Denki Kabushiki Kaisha | Near-infrared radiation illuminator and use of such an illuminator |
| US4825127A (en) * | 1987-06-24 | 1989-04-25 | Gte Products Corporation | Metal halide discharge lamp for plant growing |
| DE10040887A1 (en) * | 2000-08-18 | 2001-08-30 | Philips Corp Intellectual Pty | Halogen incandescent lamp for motor vehicle has elongated bulb closed at one end, vacuum tight compression at other end, incandescent element, base, current leads, optical absorption filter |
| US6502962B1 (en) | 2000-10-23 | 2003-01-07 | Fire Products Company | Cover assembly for a light |
| DE10358676A1 (en) * | 2003-12-12 | 2005-07-07 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Light bulb with activating effect |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE716588C (en) * | 1940-09-13 | 1942-01-23 | Patra Patent Treuhand | Electric mixed light lamp in which two glow wires in series are connected upstream of a high-pressure vapor discharge tube |
| GB818423A (en) * | 1956-03-13 | 1959-08-19 | Sylvania Electric Prod | Electric discharge lamp |
| US3617794A (en) * | 1967-12-15 | 1971-11-02 | Philips Corp | Halogen lamp employing a quartz envelope provided with a colored layer |
| DE2202521A1 (en) * | 1971-01-26 | 1972-08-17 | Westinghouse Electric Corp | Color corrected high pressure mercury vapor lamp |
| GB1467724A (en) * | 1975-04-11 | 1977-03-23 | Gen Electric Co Ltd | Processes for coating vitreous surfaces with powdered phos phors |
| DE2936539A1 (en) * | 1978-09-12 | 1980-03-20 | Westinghouse Electric Corp | High intensity mercury vapour discharge lamp - where outer bulb has internal coating pref. of yttrium vanadate phosphate providing colour correction and diffusion of emitted light (NL 14. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3206632A (en) * | 1961-04-21 | 1965-09-14 | Westinghouse Electric Corp | Electric lamp with a dip-coated fired layer |
-
1980
- 1980-04-16 DE DE19808010444U patent/DE8010444U1/en not_active Expired
-
1981
- 1981-04-03 EP EP81102513A patent/EP0037981A1/en not_active Ceased
- 1981-04-08 US US06/252,071 patent/US4393331A/en not_active Expired - Fee Related
- 1981-04-14 JP JP5518381A patent/JPS56167252A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE716588C (en) * | 1940-09-13 | 1942-01-23 | Patra Patent Treuhand | Electric mixed light lamp in which two glow wires in series are connected upstream of a high-pressure vapor discharge tube |
| GB818423A (en) * | 1956-03-13 | 1959-08-19 | Sylvania Electric Prod | Electric discharge lamp |
| US3617794A (en) * | 1967-12-15 | 1971-11-02 | Philips Corp | Halogen lamp employing a quartz envelope provided with a colored layer |
| DE2202521A1 (en) * | 1971-01-26 | 1972-08-17 | Westinghouse Electric Corp | Color corrected high pressure mercury vapor lamp |
| GB1467724A (en) * | 1975-04-11 | 1977-03-23 | Gen Electric Co Ltd | Processes for coating vitreous surfaces with powdered phos phors |
| DE2936539A1 (en) * | 1978-09-12 | 1980-03-20 | Westinghouse Electric Corp | High intensity mercury vapour discharge lamp - where outer bulb has internal coating pref. of yttrium vanadate phosphate providing colour correction and diffusion of emitted light (NL 14. |
Also Published As
| Publication number | Publication date |
|---|---|
| DE8010444U1 (en) | 1981-01-15 |
| JPS56167252A (en) | 1981-12-22 |
| US4393331A (en) | 1983-07-12 |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| AK | Designated contracting states |
Designated state(s): CH DE FR GB IT |
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| 17P | Request for examination filed |
Effective date: 19820324 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
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| 18R | Application refused |
Effective date: 19840202 |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: KLEIN, LUTZ Inventor name: WOIZAN, GUENTER Inventor name: DOBRUSSKIN, ALEXANDER, DIPL.-ING. |