EP1257769B1 - Lighting unit - Google Patents

Lighting unit Download PDF

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Publication number
EP1257769B1
EP1257769B1 EP01911606A EP01911606A EP1257769B1 EP 1257769 B1 EP1257769 B1 EP 1257769B1 EP 01911606 A EP01911606 A EP 01911606A EP 01911606 A EP01911606 A EP 01911606A EP 1257769 B1 EP1257769 B1 EP 1257769B1
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EP
European Patent Office
Prior art keywords
lamp
luminaire according
reflector
light
luminaire
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
Application number
EP01911606A
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German (de)
French (fr)
Other versions
EP1257769A1 (en
Inventor
Simona Loga
Georg Kempter
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.)
ZUMTOBEL LIGHTING GmbH
Original Assignee
Zumtobel Lighting GmbH Austria
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Publication of EP1257769A1 publication Critical patent/EP1257769A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/12—Combinations of only three kinds of elements
    • F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the present invention relates to a luminaire according to the preamble of claim 1.
  • Such a lamp is for example in the DE 44 43 916 A1 described.
  • an existing from side reflectors and cross fins raster reflector is initially arranged under an elongated lamp, with the aid of which the largest proportion of the light emitted by the lamp is directed and emitted glare-free down.
  • the use of such a raster reflector is advantageous, for example, in offices with a number of VDU workstations, since the light is to some extent cross-faded and therefore reflections can be avoided on the screens.
  • the lamp described in the above-mentioned document further has an outer reflector, on which the light emitted by the lamp laterally or upwards falls.
  • the area surrounding the lamp is additionally illuminated, which on the one hand makes it easy to detect whether the lamp is turned on or not, but on the other hand also perceived by a viewer as much more pleasant than the light of a pure grid lamp, in which the entire Light is emitted only downwards.
  • the outer reflector may have a diffusely reflecting surface in order to achieve the most uniform possible lightening of the area surrounding the lamp.
  • a translucent (opal) disc below the outer reflector.
  • German utility model DE 297 10 475 U1 an interior light is described with a arranged in a reflector light source and a light source covering the outside space lighting cover.
  • the luminaire according to the invention consists of a lamp and at least one concave curved reflector arranged behind or laterally behind the lamp, viewed in the emission direction.
  • the lamp color filter which are variable in their filtering effect, arranged such that only the on the concave curved reflector is changed radiated light in its color composition, while on the other hand, the light emitted by the lamp in the direction of radiation light is not affected in its color composition by the filter.
  • the area surrounding the lamp appears in a different color, so that different effects and moods can be generated by the variability of the filter effect according to the invention.
  • a much more pleasant atmosphere can be created by imparting a warmer hue to the light directed onto the concave reflector with the aid, for example, of a slightly yellowish or orange coloration of the color filter.
  • bluish light is perceived as rather cold, which is why in warmer areas would offer a blue color filter.
  • the concave curved reflector itself does not have to be colored to achieve such lighting effects but can be white as usual, the area surrounding the lamp in the switched-off state still appears colorless or white, the effects just described appear only in the switched-on state of the lamp ,
  • a mechanism may be provided which enhances or attenuates the filter effect of the color filter. This can be done, for example, in an elongated lamp according to a development of the invention in that the filter is rotatable about an axis extending parallel to the lamp. The filtering effect then depends on the angle included between the color filter and the incident light.
  • the concave curved reflector In lights of this type, it is usually desirable that the concave curved reflector has a uniform luminance over its entire width. In order to achieve this, the concave reflector usually has a previously theoretically calculated curvature, which however has the consequence that it is then relatively high. In order to flatten the luminaire in its entirety is therefore in the invention provided that a teillicht tillere diffuser is disordered in front of the concave reflector, which causes to a certain extent, an adjustment of the luminance across the width of the reflector. In a further development of the invention, this matching can also be assisted by the fact that, for example, the reflectivity of the reflector is different across its width, wherein it has a higher reflectivity in areas remote from the lamp than in areas closer to the lamp. Furthermore, further diffusers can be arranged laterally from the lamp or the color filter itself can be designed to be diffusely translucent.
  • Another development of the invention relates to a special embodiment of the filter.
  • the lateral attachment of white crossbars direct view of the filter element is prevented, so that when viewing the entire light only the concave reflector appears colored.
  • a light distribution element e.g. arranged a grid, grid, perforated plate or the like. Since the light emitted by this light distribution element remains unchanged in color, the luminaire according to the invention still fulfills its main task, namely effective illumination of the surrounding space.
  • a further lighting effect can be achieved in that the concave reflector itself is part-leak-transparent. If, for example, the luminaire is a surface-mounted luminaire or a pendant luminaire, the ceiling area above the luminaire is additionally lightened. This, too, then appears in a hue corresponding to the color filter. In contrast, it can also be provided that, although the concave reflector is partially transparent, at least one further lamp is arranged above this reflector. This in turn can also be surrounded by a color filter, so that several different lighting effects can be achieved with different shades.
  • the luminaire according to the invention can also be configured as a recessed luminaire or in other forms.
  • the individual components of the lamp are arranged within a box-shaped container 8, which is sunk when mounting the lamp in the ceiling.
  • the light source used in the present case is a rod-shaped lamp 1, for example a gas discharge lamp.
  • a light distributor element consisting of side reflectors and cross blades grid 2, via which a large part of the light emitted from the lamp 1 is emitted downwards.
  • the concrete shapes of this grid 2 can be chosen so that the light is transversely faded to a certain extent.
  • a grid and a perforated plate or other optical element - for example, a diffuser or a prismatic structure - are used.
  • the lamp 1 is spanned by a concave reflector 3, wherein the side wings are arranged substantially adjacent to the lamp 1. Between this reflector 3 and the upper edge of the grid 2, light entry areas 4 arranged next to the lamp 1 are formed, via which a small part of the light emitted by the lamp 1 is directed onto the reflector 3.
  • This reflector 3 preferably has a white surface.
  • two color filters 5 are arranged, which change the hue of the directed to the concave reflector 3 light. After switching on the lamp 1, the area below it is down through the grid 2 directed radiated and unaltered color light in the usual manner, while the reflector 3 in a color corresponding to the filter 5 - for example, blue - brightened.
  • the lamp shown in Fig. 1 only has a small height, only by the curvature of the reflector 3, no uniform luminance over its entire width can be achieved. For this reason, a partially translucent diffuser 6 is arranged in front of the concave reflector 3, with the aid of which the area surrounding the lamp 1 appears in a somewhat more uniform luminance.
  • the two filters 5 can further be configured such that they direct, for example, the light to areas of the reflector 3 which are more remote from the lamp 1.
  • Another possibility is to use as color filter 5 two colored diffusers. With the help of the measures just described can be achieved that despite the low height of the lamp, a relatively uniform luminance for the lamp 1 surrounding area is achieved.
  • the two color filters 5 are fixedly mounted in the lamp and can not be changed in their effect.
  • the filtering effect and thus the color intensity of the light directed onto the reflector 3 can be changed. This is done by the fact that the two color filters 5 are rotatably mounted about a parallel to the lamp 1 extending axis X. Depending on the position of the color filter 5, the two light entry regions 4 are then effectively covered to a certain extent by the filters 5. By rotating the filter, the proportion of the color-changed light can be changed, wherein in extreme cases, the filter effect can be almost completely suppressed, so that the reflector 3 appears white.
  • the changing of the position of the two color filters 5 can be done for example via a controller connected to the light switch for the lamp.
  • the embodiment shown in Fig. 2 for changing the filtering effect is advantageous in that no extra space is needed for the turning.
  • another possibility may also be that the two color filters 5 are displaced upwards by a suitable mechanism perpendicular to the lamp axis and removed from the light entry areas 4. This embodiment even offers the possibility of using a plurality of color filters of different colors or different different optical properties, which can be introduced into the two light entry regions 4 as desired.
  • Fig. 3 shows a further embodiment in which the luminaire according to the invention is designed as a surface-mounted luminaire.
  • the luminaire shown in FIG. 3 is very similar to the two luminaires described above.
  • the reflector 3 is additionally designed to be partially transparent. This has the consequence that the light color changed by the color filter 5 directed to the reflector 3 light is emitted not only on the reflector 3 and the diffuser 6 down, but is also used to lighten the overlying the ceiling area 9, resulting in another attractive lighting effect results.
  • the two color filters 5 are rotatably mounted about an axis to adjust the filtering effect as desired.
  • FIG. 4 another lamp according to the invention is shown, which is also designed as a surface-mounted luminaire, but has a different reflector shape.
  • the reflector 3 is no longer integrally formed in this example, but consists of two laterally extending to the ceiling 9 and concavely curved side wings 3. Also in this case, between the top of the arranged under the lamp 1 grid 2 and the two side wings of the Reflectors 3 two light entry areas 4 formed in which according to the invention two color filters 5 - in turn rotatable about an axis X - are stored.
  • the two diffusers 6 arranged in front of the reflector 3 also extend from the light entry areas 4 to the ceiling 9.
  • the second reflector 3 is in turn formed partially transparent, but this measure is not the ceiling brightening here. Instead, further lamps 7 are arranged in the two areas lying behind the reflector 3. The light of these two additional lamps 7 can also be used to further lighten the area surrounding the lamp 1, but in the color of the light emitted by the two lamps 7. These two lamps 7 can be surrounded by a color filter, not shown, so that can be achieved by a suitable control or dimming of the lamps 1 and 7 different lighting effects.
  • FIG. 5 shows a further luminaire according to the invention which, in terms of its structure, is similar to the luminaire in FIG. 4, but does not have a part-light-permeable reflector 3 and thus also no additional lamps.
  • the light distributor element 2 designed as a diffuser in the present example has here at its two upper ends two elongated sockets 10, into which the two color filters 5 be used. This holder allows a very simple change of the color filter. 5
  • the detailed structure of the color filter 5 shown in FIG. 5 is shown in FIG.
  • the to be inserted into the socket 10 fastener 11 of the color filter 5 is preferably as well as the diffuser designed as a light distribution element 2 opal white, so as not to exert any disturbing influence on the light effects.
  • Only above the fastener 11 is the actual - for example, blue-colored - filter element 12.
  • transverse webs 13 are provided in the section in which the filter effect comes into play. These transverse webs 13 are white and serve to prevent or minimize the direct view from below of the blue filter element 12. This ensures that when viewing the entire light only the concave reflector 3 appears colored.
  • the luminaire shape illustrated in FIGS. 4 and 5 can also be formed as a suspended luminaire or pendant luminaire, in which case not more than 7 additional lamps 7 must be present above the reflector, but again the ceiling region 9 through the light entry regions 4 onto the reflector 3 thrown light can be brightened.
  • the lights shown in FIGS. 1-5 can also be designed as recessed lights for visible rail systems or other ceiling systems.
  • the luminaire according to the invention is characterized in that new and visually appealing lighting effects can be achieved with the help of a few simple additional means. Furthermore, the additionally proposed measures make it possible to achieve a uniform luminance over the width of the concave reflector, and yet the lamp can be made relatively flat.

Abstract

The light fitting has an elongate lamp (1), e.g. a tubular gas discharge lamp, an adjacent concave reflector (3) and color filters (5) positioned on either side of the lamp, for altering the color spectrum of the emitted light received by the concave reflector. The color filters may be rotatable about an axis parallel to the lamp axis, or be displaced perpendicular to the lamp axis.

Description

Die vorliegende Erfindung betrifft eine Leuchte nach dem Oberbegriff des Anspruchs 1.The present invention relates to a luminaire according to the preamble of claim 1.

Eine derartige Leuchte ist beispielsweise in der DE 44 43 916 A1 beschrieben. Dabei ist zunächst unter einer länglichen Lampe ein aus Seitenreflektoren und Querlamellen bestehender Rasterreflektor angeordnet, mit dessen Hilfe der größte Anteil des von der Lampe abgegebenen Lichts gerichtet und blendfrei nach unten abgestrahlt wird. Die Verwendung eines derartigen Rasterreflektors ist beispielsweise in Büros mit einer Reihe von Bildschirmarbeitsplätzen von Vorteil, da das Licht bis zu einem gewissen Grad querentblendet ist und daher auf den Bildschirmen Reflexionen vermieden werden können.Such a lamp is for example in the DE 44 43 916 A1 described. In this case, an existing from side reflectors and cross fins raster reflector is initially arranged under an elongated lamp, with the aid of which the largest proportion of the light emitted by the lamp is directed and emitted glare-free down. The use of such a raster reflector is advantageous, for example, in offices with a number of VDU workstations, since the light is to some extent cross-faded and therefore reflections can be avoided on the screens.

Die in der oben genannten Druckschrift beschriebene Leuchte weist ferner einen Außenreflektor auf, auf den das von der Lampe seitlich bzw. nach oben abgestrahlte Licht fällt. Auf diese Weise wird der die Lampe umgebende Bereich zusätzlich erhellt, was einerseits ermöglicht, leicht zu erkennen, ob die Leuchte eingeschaltet ist oder nicht, andererseits aber auch von einem Betrachter als wesentlich angenehmer empfunden wird als das Licht einer reinen Rasterleuchte, bei der das gesamte Licht lediglich nach unten abgestrahlt wird. Dabei kann der Außenreflektor eine diffus reflektierende Oberfläche aufweisen, um eine möglichst gleichmäßige Aufhellung des die Lampe umgebenen Bereichs zu erzielen. Eine andere Möglichkeit besteht aber auch darin, unterhalb des Außenreflektors zusätzlich eine durchscheinende (opale) Scheibe anzubringen.The lamp described in the above-mentioned document further has an outer reflector, on which the light emitted by the lamp laterally or upwards falls. In this way, the area surrounding the lamp is additionally illuminated, which on the one hand makes it easy to detect whether the lamp is turned on or not, but on the other hand also perceived by a viewer as much more pleasant than the light of a pure grid lamp, in which the entire Light is emitted only downwards. In this case, the outer reflector may have a diffusely reflecting surface in order to achieve the most uniform possible lightening of the area surrounding the lamp. However, another possibility is also to install a translucent (opal) disc below the outer reflector.

In dem deutschen Gebrauchsmuster DE 297 10 475 U1 wird eine Innenleuchte mit einer in einem Reflektor angeordneten Lichtquelle und einer die Lichtquelle zum Außenraum deckenden lichttechnischen Abdeckung beschrieben.In the German utility model DE 297 10 475 U1 an interior light is described with a arranged in a reflector light source and a light source covering the outside space lighting cover.

Es ist Aufgabe der vorliegenden Erfindung, eine derartige Leuchte dahingehend zu verbessern, dass mit ihr neue und optisch ansprechende Beleuchtungseffekte erzielt werden können.It is an object of the present invention to improve such a lamp to the effect that new and visually appealing lighting effects can be achieved with it.

Die Aufgabe wird durch eine Leuchte, welche die Merkmale des Anspruches 1 aufweist, gelöst.The object is achieved by a luminaire, which has the features of claim 1.

Die erfindungsgemäße Leuchte besteht aus einer Lampe und mindestens einem - in Abstrahlrichtung gesehen - hinter bzw. seitlich hinter der Lampe angeordneten konkav gekrümmten Reflektor. Erfindungsgemäß sind seitlich von der Lampe Farbfilter, die in ihrer Filterwirkung veränderbar sind, derart angeordnet, dass lediglich das auf den konkav gekrümmten Reflektor gestrahlte Licht in seiner farblichen Zusammensetzung verändert wird, während hingegen das von der Lampe in Abstrahlrichtung abgestrahlte Licht in seiner farblichen Zusammensetzung durch die Filter nicht beeinflusst wird.The luminaire according to the invention consists of a lamp and at least one concave curved reflector arranged behind or laterally behind the lamp, viewed in the emission direction. According to the invention are laterally of the lamp color filter, which are variable in their filtering effect, arranged such that only the on the concave curved reflector is changed radiated light in its color composition, while on the other hand, the light emitted by the lamp in the direction of radiation light is not affected in its color composition by the filter.

Dadurch erscheint der die Lampe umgebende Bereich in einer anderen Farbe, so dass durch die erfindungsgemäße Veränderbarkeit der Filterwirkung verschiedene Effekte und Stimmungen erzeugt werden können. Beispielsweise kann eine wesentlich angenehmere Atmosphäre erzeugt werden, indem dem auf den konkaven Reflektor gelenkten Licht mit Hilfe einer beispielsweise leicht gelblichen oder orangen Färbung des Farbfilters ein wärmerer Farbton verliehen wird. Im Gegensatz dazu wird bläuliches Licht als eher kalt empfunden, weshalb sich in wärmeren Gegenden eine blaue Färbung des Farbfilter anbieten würde. Da zum Erzielen derartiger Beleuchtungseffekte der konkav gekrümmte Reflektor selbst nicht farbig sein muss sondern wie gewohnt weiß sein kann, erscheint der die Lampe umgebende Bereich im abgeschalteten Zustand nach wie vor farblos bzw. weiß, die eben beschriebenen Effekte treten nur im eingeschalteten Zustand der Lampe auf.As a result, the area surrounding the lamp appears in a different color, so that different effects and moods can be generated by the variability of the filter effect according to the invention. For example, a much more pleasant atmosphere can be created by imparting a warmer hue to the light directed onto the concave reflector with the aid, for example, of a slightly yellowish or orange coloration of the color filter. In contrast, bluish light is perceived as rather cold, which is why in warmer areas would offer a blue color filter. Since the concave curved reflector itself does not have to be colored to achieve such lighting effects but can be white as usual, the area surrounding the lamp in the switched-off state still appears colorless or white, the effects just described appear only in the switched-on state of the lamp ,

Das Verändern der farblichen Zusammensetzung von Licht durch entsprechende Filter ist bereits aus der DE 39 08 148 A1 oder der DE 446 406 bekannt. Allerdings soll bei der aus der DE 39 08 148 A1 bekannten Leuchte das gesamte von der Lampe abgegebene Licht farblich verändert werden. Bei der DE 446 406 treffen die in eine bestimmte Richtung emittierten Lichtstrahlen auf Farbfilter, wodurch ein bestimmter Bereich des Raumes in einer anderen Farbe erscheint. Im Gegensatz dazu soll bei der Leuchte der vorliegenden Erfindung lediglich der hinter bzw. seitlich hinter der Lampe angeordnete Reflektor in einer anderen Farbe erscheinen, während hingegen der zur eigentlichen Beleuchtung verwendete und in Abstrahlrichtung abgestrahlte Lichtanteil farblich unverändert bleibt.Changing the color composition of light through appropriate filters is already out of the DE 39 08 148 A1 or the DE 446 406 known. However, at the time of the DE 39 08 148 A1 known light the entire light emitted by the lamp light can be changed color. In the DE 446 406 the light rays emitted in a certain direction hit color filters, whereby a certain area of the space appears in a different color. In contrast, in the luminaire of the present invention, only the reflector arranged behind or behind the lamp should appear in a different color, whereas the light component used for the actual illumination and emitted in the emission direction remains unchanged in color.

Für die erfindungsgemäße Veränderbarkeit der Filterwirkung des Farbfilter kann beispielsweise ein Mechanismus vorgesehen sein, der die Filterwirkung des Farbfilters verstärkt oder abschwächt. Dies kann bei einer länglichen Lampe entsprechend einer Weiterbildung der Erfindung beispielsweise dadurch erfolgen, dass das Filter um eine parallel zur Lampe verlaufende Achse drehbar ist. Die Filterwirkung hängt dann jeweils von dem zwischen dem Farbfilter und dem einfallenden Licht eingeschlossenen Winkel ab.For the invention variability of the filter effect of the color filter, for example, a mechanism may be provided which enhances or attenuates the filter effect of the color filter. This can be done, for example, in an elongated lamp according to a development of the invention in that the filter is rotatable about an axis extending parallel to the lamp. The filtering effect then depends on the angle included between the color filter and the incident light.

Bei Leuchten dieser Art ist es in der Regel erwünscht, dass der konkav gekrümmte Reflektor eine gleichmäßige Leuchtdichte über seine gesamte Breite aufweist. Um dies zu erzielen weist hierfür der konkave Reflektor üblicherweise eine zuvor theoretisch berechnete Krümmung auf, was allerdings zur Folge hat, dass dieser dann relativ hoch ist. Um die Leuchte in ihrer Gesamtheit flacher zu gestalten, ist daher in der Erfindung vorgesehen, dass vor dem konkaven Reflektor ein teillichtdurchlässige Diffusor ungeordnet ist, der bis zu einem gewissen Grad ein Angleichen der Leuchtdichte über die Breite des Reflektors bewirkt. Bei einer Weiterbildung der Erfindung kann dieses Angleichen auch dadurch unterstützt werden, dass beispielsweise die Reflexionsfähigkeit des Reflektors über seine Breite hin unterschiedlich ist, wobei er in von der Lampe entfernt liegenden Bereichen eine höhere Reflexionsfähigkeit aufweist als in der Lampe näher liegenden Bereichen. Ferner können seitlich von der Lampe weitere Diffuseren angeordnet sein bzw. das Farbfilter selbst diffus lichtdurchlässig ausgebildet sein.In lights of this type, it is usually desirable that the concave curved reflector has a uniform luminance over its entire width. In order to achieve this, the concave reflector usually has a previously theoretically calculated curvature, which however has the consequence that it is then relatively high. In order to flatten the luminaire in its entirety is therefore in the invention provided that a teillichtdurchlässige diffuser is disordered in front of the concave reflector, which causes to a certain extent, an adjustment of the luminance across the width of the reflector. In a further development of the invention, this matching can also be assisted by the fact that, for example, the reflectivity of the reflector is different across its width, wherein it has a higher reflectivity in areas remote from the lamp than in areas closer to the lamp. Furthermore, further diffusers can be arranged laterally from the lamp or the color filter itself can be designed to be diffusely translucent.

Eine andere Weiterbildung der Erfindung betrifft eine spezielle Ausgestaltung des Filters. Durch das seitliche Anbringen von weißen Querstegen wird der direkte Blick auf das Filterelement verhindert, so dass beim Betrachten der gesamten Leuchte lediglich der konkave Reflektor farbig erscheint.Another development of the invention relates to a special embodiment of the filter. The lateral attachment of white crossbars direct view of the filter element is prevented, so that when viewing the entire light only the concave reflector appears colored.

Vorzugsweise ist vor der Lampe zusätzlich ein Lichtverteiler-Element, z.B. ein Raster, Gitter, Lochblech oder dergleichen angeordnet. Da das über dieses Lichtverteiler-Element abgestrahlte Licht in seiner Farbe unverändert bleibt, erfüllt die erfindungsgemäße Leuchte nach wie vor ihre Hauptaufgabe, nämlich eine effektive Beleuchtung des sie umgebenden Raumes.Preferably, in front of the lamp is additionally a light distribution element, e.g. arranged a grid, grid, perforated plate or the like. Since the light emitted by this light distribution element remains unchanged in color, the luminaire according to the invention still fulfills its main task, namely effective illumination of the surrounding space.

Ein weiterer Beleuchtungseffekt kann laut einer Weiterbildung der Erfindung dadurch erzielt werden, dass der konkave Reflektor selbst teillichtdurchlässig ist. Handelt es sich beispielsweise bei der Leuchte um eine Anbauleuchte oder eine Pendelleuchte, so wird zusätzlich der oberhalb der Leuchte liegende Deckenbereich aufgehellt. Auch dieser erscheint dann in einem dem Farbfilter entsprechenden Farbton. Im Gegensatz dazu kann auch vorgesehen sein, dass der konkave Reflektor zwar teillichtdurchlässig ist, dass allerdings oberhalb dieses Reflektors mindestens eine weitere Lampe angeordnet ist. Diese kann wiederum ebenfalls von einem Farbfilter umgeben sein, so dass mehrere unterschiedliche Beleuchtungseffekte mit verschiedenen Farbtönen erzielt werden können.According to a development of the invention, a further lighting effect can be achieved in that the concave reflector itself is part-leak-transparent. If, for example, the luminaire is a surface-mounted luminaire or a pendant luminaire, the ceiling area above the luminaire is additionally lightened. This, too, then appears in a hue corresponding to the color filter. In contrast, it can also be provided that, although the concave reflector is partially transparent, at least one further lamp is arranged above this reflector. This in turn can also be surrounded by a color filter, so that several different lighting effects can be achieved with different shades.

Neben den beiden zuvor erwähnten Beispielen einer Deckenanbauleuchte bzw. einer Pendelleuchte kann die erfindungsgemäße Leuchte auch als Einbauleuchte oder in anderen Formen ausgestaltet sein.In addition to the two aforementioned examples of a ceiling-mounted luminaire or a pendant lamp, the luminaire according to the invention can also be configured as a recessed luminaire or in other forms.

Im folgenden soll die Erfindung anhand der beiliegenden Zeichnung näher erläutert werden. Es zeigen:

  • Fig. 1 ein erstes Ausführungsbeispiel der erfindungsgemäßen Leuchte in Form einer Einbauleuchte;
  • Fig. 2 eine Weiterbildung der in Fig. 1 dargestellten Leuchte mit veränderbaren Farbfiltern;
  • Fig. 3 ein Ausführungsbeispiel einer erfindungsgemäßen Deckenanbauleuchte;
  • Fig. 4 ein Ausführungsbeispiel einer erfindungsgemäßen Leuchte mit hinter dem konkaven Reflektor angeordneten zusätzlichen Lampen;
  • Fig. 5 eine erfindungsgemäße Leuchte mit speziell ausgestalteten Farbfiltern; und
  • Fig. 6 den genauen Aufbau eines in Fig. 5 dargestellten Farbfilters.
In the following the invention will be explained in more detail with reference to the accompanying drawings. Show it:
  • 1 shows a first embodiment of the luminaire according to the invention in the form of a recessed luminaire.
  • FIG. 2 shows a development of the luminaire shown in FIG. 1 with variable color filters; FIG.
  • 3 shows an embodiment of a ceiling-mounted luminaire according to the invention;
  • 4 shows an embodiment of a lamp according to the invention with arranged behind the concave reflector additional lamps.
  • 5 shows a luminaire according to the invention with specially designed color filters; and
  • Fig. 6 shows the detailed structure of a color filter shown in Fig. 5.

Bei der in Fig. 1 dargestellten Deckeneinbauleuchte sind die einzelnen Bauteile der Leuchte innerhalb eines kastenförmigen Behälters 8 angeordnet, der beim Montieren der Leuchte in der Decke versenkt wird. Als Lichtquelle dient im vorliegenden Fall eine stabförmige Lampe 1, beispielsweise eine Gasentladungslampe. Vor dieser Lampe 1 ist als Lichtverteiler-Element ein aus Seitenreflektoren und Querlamellen bestehendes Raster 2 angeordnet, über das ein Großteil des von der Lampe 1 abgegebenen Lichts nach unten abgestrahlt wird. Die konkreten Formen dieses Rasters 2 können so gewählt werden, daß das Licht bis zu einem gewissen Grad querentblendet wird. Alternativ dazu kann anstelle eines Rasters auch ein Lochblech oder ein anderes optisches Element - beispielsweise ein Diffusor oder eine Prismenstruktur - verwendet werden.In the recessed ceiling light shown in Fig. 1, the individual components of the lamp are arranged within a box-shaped container 8, which is sunk when mounting the lamp in the ceiling. The light source used in the present case is a rod-shaped lamp 1, for example a gas discharge lamp. In front of this lamp 1 is arranged as a light distributor element consisting of side reflectors and cross blades grid 2, via which a large part of the light emitted from the lamp 1 is emitted downwards. The concrete shapes of this grid 2 can be chosen so that the light is transversely faded to a certain extent. Alternatively, instead of a grid and a perforated plate or other optical element - for example, a diffuser or a prismatic structure - are used.

Ferner wird die Lampe 1 von einem konkav gekrümmten Reflektor 3 überspannt, wobei dessen Seitenflügel im wesentlichen neben der Lampe 1 angeordnet sind. Zwischen diesem Reflektor 3 und der Oberkante des Rasters 2 werden neben der Lampe 1 angeordnete Lichteintrittsbereiche 4 gebildet, über die ein kleiner Teil des von der Lampe 1 abgegebenen Lichts auf den Reflektor 3 gelenkt wird. Dieser Reflektor 3 besitzt vorzugsweise eine weiße Oberfläche.Further, the lamp 1 is spanned by a concave reflector 3, wherein the side wings are arranged substantially adjacent to the lamp 1. Between this reflector 3 and the upper edge of the grid 2, light entry areas 4 arranged next to the lamp 1 are formed, via which a small part of the light emitted by the lamp 1 is directed onto the reflector 3. This reflector 3 preferably has a white surface.

Innerhalb der Lichteintrittsbereiche 4 sind zwei Farbfilter 5 angeordnet, die den Farbton des auf den konkaven Reflektor 3 gelenkten Lichts verändern. Nach dem Einschalten der Lampe 1 wird der unter ihr liegende Bereich durch das über das Raster 2 nach unten gerichtet abgestrahlte und farblich nicht veränderte Licht in gewohnter Weise erhellt, während der Reflektor 3 in einem den Filtern 5 entsprechenden Farbton - beispielsweise blau - aufgehellt wird.Within the light entry regions 4, two color filters 5 are arranged, which change the hue of the directed to the concave reflector 3 light. After switching on the lamp 1, the area below it is down through the grid 2 directed radiated and unaltered color light in the usual manner, while the reflector 3 in a color corresponding to the filter 5 - for example, blue - brightened.

Da die in Fig. 1 dargestellte Leuchte lediglich eine geringe Höhe aufweist, kann allein durch die Krümmung des Reflektors 3 keine gleichmäßige Leuchtdichte über seine gesamte Breite erzielt werden. Aus diesem Grund ist vor dem konkaven Reflektor 3 ein teillichtdurchlässiger Diffusor 6 angeordnet, mit dessen Hilfe der die Lampe 1 umgebende Bereich in einer etwas gleichmäßigeren Leuchtdichte erscheint. Um das Angleichen der Leuchtdichte über die Breite des Reflektors 3 bzw. des Diffusors 6 weiter zu unterstützen, können ferner die beiden Filter 5 derart ausgestaltet sein, daß sie beispielsweise das Licht bevorzugt auf von der Lampe 1 entfernter liegende Bereiche des Reflektors 3 lenken. Eine andere Möglichkeit besteht darin, als Farbfilter 5 zwei farbige Diffusoren zu verwenden. Mit Hilfe der eben beschriebenen Maßnahmen kann erreicht werden, daß trotz der geringen Höhe der Leuchte eine relativ einheitliche Leuchtdichte für den die Lampe 1 umgebenden Bereich erzielt wird.Since the lamp shown in Fig. 1 only has a small height, only by the curvature of the reflector 3, no uniform luminance over its entire width can be achieved. For this reason, a partially translucent diffuser 6 is arranged in front of the concave reflector 3, with the aid of which the area surrounding the lamp 1 appears in a somewhat more uniform luminance. In order to further support the equalization of the luminance over the width of the reflector 3 and the diffuser 6, the two filters 5 can further be configured such that they direct, for example, the light to areas of the reflector 3 which are more remote from the lamp 1. Another possibility is to use as color filter 5 two colored diffusers. With the help of the measures just described can be achieved that despite the low height of the lamp, a relatively uniform luminance for the lamp 1 surrounding area is achieved.

In dem in Fig. 1 dargestellten Ausführungsbeispiel sind die beiden Farbfilter 5 fest in der Leuchte montiert und in ihrer Wirkung nicht veränderbar. Im Gegensatz dazu kann bei dem in Fig. 2 dargestellten Ausführungsbeispiel die Filterwirkung und somit die Farbintensität des auf den Reflektor 3 gelenkten Lichts verändert werden. Dies erfolgt dadurch, daß die beiden Farbfilter 5 um eine parallel zu der Lampe 1 verlaufende Achse X drehbar gelagert sind. Je nach Stellung der Farbfilter 5 werden dann die beiden Lichteintrittsbereiche 4 bis zu einem gewissen Grad durch die Filter 5 effektiv überdeckt. Durch Drehung der Filter kann der Anteil des farblich veränderten Lichts verändert werden, wobei im Extremfall die Filterwirkung nahezu vollständig unterdrückt werden kann, so daß der Reflektor 3 weiß erscheint.In the embodiment shown in Fig. 1, the two color filters 5 are fixedly mounted in the lamp and can not be changed in their effect. In contrast, in the embodiment shown in FIG. 2, the filtering effect and thus the color intensity of the light directed onto the reflector 3 can be changed. This is done by the fact that the two color filters 5 are rotatably mounted about a parallel to the lamp 1 extending axis X. Depending on the position of the color filter 5, the two light entry regions 4 are then effectively covered to a certain extent by the filters 5. By rotating the filter, the proportion of the color-changed light can be changed, wherein in extreme cases, the filter effect can be almost completely suppressed, so that the reflector 3 appears white.

Das Verändern der Stellung der beiden Farbfilter 5 kann beispielsweise über einen mit dem Lichtschalter für die Leuchte verbundenen Regler erfolgen. Die in Fig. 2 dargestellte Ausführungsform zum Verändern der Filterwirkung ist insofern vorteilhaft, als für das Drehen kein zusätzlicher Raum benötigt wird. Eine andere (nicht dargestellte) Möglichkeit kann allerdings auch darin bestehen, daß die beiden Farbfilter 5 durch einen geeigneten Mechanismus senkrecht zur Lampenachse nach oben hin verschoben und aus den Lichteintrittsbereichen 4 entfernt werden. Diese Ausgestaltung bietet sogar die Möglichkeit, mehrere Farbfilter unterschiedlicher Farbe oder anderen unterschiedlichen optischen Eigenschaften zu verwenden, die je nach Wunsch in die beiden Lichteintrittsbereiche 4 eingebracht werden können.The changing of the position of the two color filters 5 can be done for example via a controller connected to the light switch for the lamp. The embodiment shown in Fig. 2 for changing the filtering effect is advantageous in that no extra space is needed for the turning. However, another possibility (not shown) may also be that the two color filters 5 are displaced upwards by a suitable mechanism perpendicular to the lamp axis and removed from the light entry areas 4. This embodiment even offers the possibility of using a plurality of color filters of different colors or different different optical properties, which can be introduced into the two light entry regions 4 as desired.

Fig. 3 zeigt ein weiteres Ausführungsbeispiel, in dem die erfindungsgemäße Leuchte als Deckenanbauleuchte ausgeführt ist. Hinsichtlich ihres Aufbaus ist die in Fig. 3 dargestellte Leuchte den beiden zuvor beschriebenen Leuchten sehr ähnlich. Der wesentliche Unterschied besteht darin, daß der Reflektor 3 zusätzlich teillichtdurchlässig ausgebildet ist. Dies hat zur Folge, daß das durch die Farbfilter 5 farbverändert auf den Reflektor 3 gelenkte Licht nicht nur über den Reflektor 3 und den Diffusor 6 nach unten abgestrahlt wird, sondern zusätzlich dazu verwendet wird, den über der Leuchte liegenden Deckenbereich 9 aufzuhellen, wodurch sich ein weiterer reizvoller Beleuchtungseffekt ergibt. Auch bei diesem Ausführungsbeispiel kann wie in Fig. 2 vorgesehen sein, daß die beiden Farbfilter 5 um eine Achse drehbar gelagert sind, um die Filterwirkung je nach Wunsch einzustellen.Fig. 3 shows a further embodiment in which the luminaire according to the invention is designed as a surface-mounted luminaire. With regard to their structure, the luminaire shown in FIG. 3 is very similar to the two luminaires described above. The main difference is that the reflector 3 is additionally designed to be partially transparent. This has the consequence that the light color changed by the color filter 5 directed to the reflector 3 light is emitted not only on the reflector 3 and the diffuser 6 down, but is also used to lighten the overlying the ceiling area 9, resulting in another attractive lighting effect results. Also in this embodiment may be provided as shown in Fig. 2, that the two color filters 5 are rotatably mounted about an axis to adjust the filtering effect as desired.

In Fig. 4 wird eine weitere erfindungsgemäße Leuchte dargestellt, die ebenfalls als Deckenanbauleuchte ausgestaltet ist, allerdings eine andere Reflektorform aufweist. Der Reflektor 3 ist in diesem Beispiel nicht mehr einstückig ausgebildet, sondern besteht aus zwei sich seitlich zur Decke 9 hin erstreckenden und konkav gekrümmten Seitenflügeln 3. Auch in diesem Fall werden zwischen der Oberkante des unter der Lampe 1 angeordneten Rasters 2 und den beiden Seitenflügeln des Reflektors 3 zwei Lichteintrittsbereiche 4 gebildet, in denen erfindungsgemäß zwei Farbfilter 5 - hier wiederum um eine Achse X drehbar - gelagert sind. Auch die beiden vor dem Reflektor 3 angeordneten Diffusoren 6 erstrecken sich von den Lichteintrittsbereichen 4 bis zur Decke 9.In Fig. 4, another lamp according to the invention is shown, which is also designed as a surface-mounted luminaire, but has a different reflector shape. The reflector 3 is no longer integrally formed in this example, but consists of two laterally extending to the ceiling 9 and concavely curved side wings 3. Also in this case, between the top of the arranged under the lamp 1 grid 2 and the two side wings of the Reflectors 3 two light entry areas 4 formed in which according to the invention two color filters 5 - in turn rotatable about an axis X - are stored. The two diffusers 6 arranged in front of the reflector 3 also extend from the light entry areas 4 to the ceiling 9.

Der zweite Reflektor 3 ist wiederum teillichtdurchlässig ausgebildet, wobei diese Maßnahme hier allerdings nicht der Deckenaufhellung dient. Stattdessen sind in den beiden hinter dem Reflektor 3 liegenden Bereichen weitere Lampen 7 angeordnet. Das Licht dieser beiden zusätzlichen Lampen 7 kann ebenfalls verwendet werden, um den die Lampe 1 umgebenden Bereich zusätzlich aufzuhellen, allerdings in der Farbe des von den beiden Lampen 7 abgegebenen Lichts. Auch diese beiden Lampen 7 können von einem nicht dargestellten Farbfilter umgeben werden, so daß durch ein geeignetes Steuern bzw. Dimmen der Lampen 1 bzw. 7 unterschiedliche Beleuchtungseffekte erzielt werden können.The second reflector 3 is in turn formed partially transparent, but this measure is not the ceiling brightening here. Instead, further lamps 7 are arranged in the two areas lying behind the reflector 3. The light of these two additional lamps 7 can also be used to further lighten the area surrounding the lamp 1, but in the color of the light emitted by the two lamps 7. These two lamps 7 can be surrounded by a color filter, not shown, so that can be achieved by a suitable control or dimming of the lamps 1 and 7 different lighting effects.

Abschließend ist in Fig. 5 eine weitere erfindungsgemäße Leuchte dargestellt, die von ihrer Struktur her der Leuchte in Fig. 4 gleicht, allerdings keinen teillichtdurchlässigen Reflektor 3 und somit auch keine zusätzlichen Lampen aufweist. Das im vorliegenden Beispiel als Diffusor ausgebildete Lichtverteiler-Element 2 weist hier an seinen beiden oberen Enden zwei längliche Fassungen 10 auf, in welche die beiden Farbfilter 5 eingesetzt werden. Dieser Halterung ermöglicht einen sehr einfachen Wechsel der Farbfilter 5.Finally, FIG. 5 shows a further luminaire according to the invention which, in terms of its structure, is similar to the luminaire in FIG. 4, but does not have a part-light-permeable reflector 3 and thus also no additional lamps. The light distributor element 2 designed as a diffuser in the present example has here at its two upper ends two elongated sockets 10, into which the two color filters 5 be used. This holder allows a very simple change of the color filter. 5

Der genaue Aufbau des in Fig. 5 gezeigten Farbfilters 5 ist in Fig. 6 dargestellt. Das in die Fassung 10 einzuschiebende Befestigungselement 11 des Farbfilters 5 ist vorzugsweise ebenso wie das als Diffusor ausgebildete Lichtverteiler-Element 2 opalweiß, um keinen störenden Einfluß auf die Lichteffekte auszuüben. Erst oberhalb von dem Befestigungselement 11 befindet sich das eigentliche - beispielsweise blau gefärbte - Filterelement 12. In dem Abschnitt, in dem die Filterwirkung zum Tragen kommt, sind außerdem Querstege 13 vorgesehen. Diese Querstege 13 sind weiß und dienen dazu, den direkten Einblick von unten auf das blaue Filterelement 12 zu verhindern bzw. zu minimieren. Dadurch wird sichergestellt, daß beim Betrachten der gesamten Leuchte lediglich der konkave Reflektor 3 farbig erscheint.The detailed structure of the color filter 5 shown in FIG. 5 is shown in FIG. The to be inserted into the socket 10 fastener 11 of the color filter 5 is preferably as well as the diffuser designed as a light distribution element 2 opal white, so as not to exert any disturbing influence on the light effects. Only above the fastener 11 is the actual - for example, blue-colored - filter element 12. In the section in which the filter effect comes into play, also transverse webs 13 are provided. These transverse webs 13 are white and serve to prevent or minimize the direct view from below of the blue filter element 12. This ensures that when viewing the entire light only the concave reflector 3 appears colored.

Selbstverständlich kann auch die in den Fig. 4 und 5 dargestellte Leuchtenform als Hängeleuchte oder Pendelleuchte ausgebildet sein, wobei dann nicht notwendigerweise oberhalb des Reflektors 3 weitere Lampen 7 vorhanden sein müssen, sondern wiederum der Deckenbereich 9 durch das über die Lichteintrittsbereiche 4 auf den Reflektor 3 geworfene Licht aufgehellt werden kann. Ferner können die in den Fig. 1-5 dargestellten Leuchten auch als Einlegeleuchten für Sichtschienensysteme oder sonstige Deckensysteme ausgestaltet sein.Of course, the luminaire shape illustrated in FIGS. 4 and 5 can also be formed as a suspended luminaire or pendant luminaire, in which case not more than 7 additional lamps 7 must be present above the reflector, but again the ceiling region 9 through the light entry regions 4 onto the reflector 3 thrown light can be brightened. Furthermore, the lights shown in FIGS. 1-5 can also be designed as recessed lights for visible rail systems or other ceiling systems.

Die erfindungsgemäße Leuchte zeichnet sich dadurch aus, daß mit Hilfe von wenigen und einfachen zusätzlichen Mitteln neue und optisch ansprechende Beleuchtungseffekte erzielt werden können. Ferner ermöglichen die zusätzlich vorgeschlagenen Maßnahmen, daß über die Breite des konkaven Reflektors eine gleichmäßige Leuchtdichte erzielt wird und die Lampe dennoch relativ flach gestaltet werden kann.The luminaire according to the invention is characterized in that new and visually appealing lighting effects can be achieved with the help of a few simple additional means. Furthermore, the additionally proposed measures make it possible to achieve a uniform luminance over the width of the concave reflector, and yet the lamp can be made relatively flat.

Claims (13)

  1. Luminaire having a lamp (1) and - seen in emission direction - at least one concavely curved reflector (3) arranged behind or laterally behind the lamp (1), wherein laterally of the lamp (1) colour filters (5) are arranged, such that only light emitted by the lamp (1) laterally against the at least one concave reflector (3) is changed in its colour composition, whilst the light emitted by the lamp (1) in emission direction is not changed by the colour filters (5), and wherein the lamp (1) is elongate and the side wings of the reflector (3) are arranged in substance neighbouring the lamp (1) and - seen in emission direction - there is arranged in front of the side wings of the concave reflector a partially light permeable diffuser (6),
    characterised in that,
    the colour filters (5) are alterable in their filter effect.
  2. Luminaire according to claim 1,
    characterised in that,
    the colour filters (5) are rotatable around an axis (X) running parallel to the lamp (1).
  3. Luminaire according to claim 1,
    characterised in that,
    the colour filters (5) are movable perpendicularly of the lamp axis.
  4. Luminaire according to any of claims 1 to 3,
    characterised in that,
    a plurality of colour filters (5) having different optical properties are provided, which are selectively movable perpendicularly of the lamp axis.
  5. Luminaire according to any preceding claim,
    characterised in that,
    the colour filters (5) consist of a filter element (12) on the side of which a plurality of white transverse webs (13) are arranged.
  6. Luminaire according to any preceding claim,
    characterised in that,
    the colour filters (5) are coloured diffusers.
  7. Luminaire according to any preceding claim,
    characterised in that,
    the concave reflector (3) has, seen over its breadth, different reflectivity.
  8. Luminaire according to claim 7,
    characterised in that,
    regions of the concave reflector (2) more remote from the lamp (1) have a higher reflectivity.
  9. Luminaire according to any preceding claim,
    characterised in that,
    the concave reflector (3) is partially light permeable.
  10. Luminaire according to claim 9,
    characterised in that,
    at least one further lamp (7) is arranged above the concave reflector (3).
  11. Luminaire according to any preceding claim,
    characterised in that,
    a light distributor element (2) - seen in emission direction - is arranged in front of the lamp (1).
  12. Luminaire according to claim 11,
    characterised in that,
    the light distributor element is a raster (2).
  13. Luminaire according to claim 11,
    characterised in that,
    the light distributor element is a perforated sheet.
EP01911606A 2000-02-14 2001-02-06 Lighting unit Expired - Lifetime EP1257769B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10006409A DE10006409A1 (en) 2000-02-14 2000-02-14 Recessed ceiling light fitting has concave reflector and color filters positioned on either side of elongate lamp
DE10006409 2000-02-14
PCT/EP2001/001270 WO2001059365A1 (en) 2000-02-14 2001-02-06 Lighting unit

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EP1257769A1 EP1257769A1 (en) 2002-11-20
EP1257769B1 true EP1257769B1 (en) 2007-10-17

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US (1) US6746133B2 (en)
EP (1) EP1257769B1 (en)
AT (1) ATE376148T1 (en)
DE (2) DE10006409A1 (en)
ES (1) ES2295141T3 (en)
WO (1) WO2001059365A1 (en)

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DE10006409A1 (en) 2001-08-16
US6746133B2 (en) 2004-06-08
DE50113147D1 (en) 2007-11-29
US20020191397A1 (en) 2002-12-19
WO2001059365A1 (en) 2001-08-16
ES2295141T3 (en) 2008-04-16
ATE376148T1 (en) 2007-11-15
EP1257769A1 (en) 2002-11-20

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