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EP1918635B1 - Ambience lamp - Google Patents

Ambience lamp Download PDF

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Publication number
EP1918635B1
EP1918635B1 EP07116766A EP07116766A EP1918635B1 EP 1918635 B1 EP1918635 B1 EP 1918635B1 EP 07116766 A EP07116766 A EP 07116766A EP 07116766 A EP07116766 A EP 07116766A EP 1918635 B1 EP1918635 B1 EP 1918635B1
Authority
EP
European Patent Office
Prior art keywords
base frame
fluorescent tubes
diffuser
ambience lamp
radiate
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.)
Not-in-force
Application number
EP07116766A
Other languages
German (de)
French (fr)
Other versions
EP1918635A1 (en
Inventor
Burkhard Ehnes
Patrik Gassner
Julian Lonsdake
Georg Hobelsberger
Thomas Krepl
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 Austria
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP1918635A1 publication Critical patent/EP1918635A1/en
Application granted granted Critical
Publication of EP1918635B1 publication Critical patent/EP1918635B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • 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
    • F21V9/02—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for simulating daylight
    • 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 invention relates to a mood lamp with a base frame defining a base frame and arranged therein connecting elements for at least two triplets of straight fluorescent tubes, one of which is intended for the emission of blue light, the second for emitting green light and the third for emitting red light, wherein the connection elements are arranged so that the fluorescent tubes are parallel to each other and to the base plane and have approximately the same distance from the base plane, and with a cover made of translucent material which can be placed on the base frame and has a front side and peripheral side areas which cover the base frame ,
  • Mood lights of the type mentioned above are known. By brightness control of different colored lamps is possible that the cover appears in different colors, but can also emit white light.
  • the cover should - when the lamps emit light - also show no brightened stripes and no shaded areas.
  • the mood light should, in effect, impart an impression detached from the wall or ceiling or, in aesthetic terms, appear immaterial. In other words, this means that the observer perceives a light emission, whereby the luminaire itself largely goes unnoticed.
  • the invention has for its object to avoid the last-mentioned disadvantages as possible.
  • the object is achieved in that are mounted on the base frame to the longitudinal direction of the fluorescent tubes on both sides of the mood lamp per two parallel and spaced apart extending diffuser strips of translucent material.
  • a further development measure that supports this effect can be that the edge region of the diffuser strips facing away from the base plane has a non-straight shape.
  • the diffuser strip lying closer to the lampholders has a lower height than the diffuser strip located further away.
  • the in the Fig. 1 to 4 shown mood light 1 has a base frame 2, on which sockets 3 for fluorescent tubes 4 are located.
  • the base frame 2 defines a base plane.
  • the lamp sockets 3 are arranged so that four triplets of fluorescent tubes extend parallel to each other and at the same distance from the base plane.
  • Each lamp triple consists of three fluorescent tubes, one of which is designed to emit blue light, the other to emit green light, and the third to emit red light. It can be used to fluorescent tubes that emit white light in itself.
  • the fluorescent tubes 4 are coated with a colored film tube that filters out all the light components, except those whose color he is to let through.
  • the two outer corners of fluorescent tubes are chosen so that the outermost fluorescent tube is intended for the emission of green light.
  • the middle fluorescent tube should emit red light and the inner fluorescent tube should emit blue light.
  • the two inside levers of fluorescent tubes have the same color distribution as the corresponding adjacent outside fluorescent tube triples.
  • Each of these operating devices supplies two fluorescent tubes of the same color.
  • two diffuser strips 7, 8 are arranged between this side region of the cover and the lamp sockets 3 lying on one line.
  • the diffuser strip 7 is located farther from the lamp sockets 3 and has a greater height than the diffuser strip 8 located closer to the lamp sockets.
  • the diffuser strips 7 and 8 are irregular at its upper edge, preferably wavy educated. Diffuser strips 7, 8 are located on both sides of the fluorescent tube 4, in each case beyond the sockets 3.
  • shadow strips 9 are provided next to the two outer green light emitting fluorescent lamps 4 at the edge regions of the base frame 2 shadow strips 9 are provided.
  • the mood light shown in the figures forms a total of a flat quadrangular box, wherein the side portions of the cover 6, the base frame 2 and in particular the edge regions of the base frame overlap, so that the mood light gives a detached immaterial impression.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

The mood lamp has a base frame defining a base level and connecting elements are arranged in the base frame for two triple flat fluorescent tubes (4). One of which is designed to radiate blue light, another to radiate red light and third to radiate green light. A protective cover (6) is made of transparent material, attached on the base frame. Two parallel spaced diffusor strips (7,8), made of transparent material are fitted on the base frame transverse to the longitudinal direction of the fluorescent tubes on both the sides of the mood lamp.

Description

Die Erfindung betrifft eine Stimmungsleuchte mit einem eine Basisebene definierenden Grundgestell und darin angeordneten Anschlusselementen für mindestens zwei Tripel gerader Leuchtstoffröhren, von denen jeweils eine zur Abstrahlung von blauem Licht, die zweite zur Abstrahlung von grünem Licht und die dritte zur Abstrahlung von rotem Licht bestimmt ist, wobei die Anschlusselemente so angeordnet sind, dass die Leuchtstoffröhren zueinander und zu der Basisebene parallel verlaufen und etwa gleichen Abstand zu der Basisebene haben, und mit einer auf das Grundgestell aufsetzbaren Abdeckhaube aus durchscheinendem Material, die eine Frontseite sowie umlaufende Seitenbereiche aufweist, welche das Grundgestell überdecken.The invention relates to a mood lamp with a base frame defining a base frame and arranged therein connecting elements for at least two triplets of straight fluorescent tubes, one of which is intended for the emission of blue light, the second for emitting green light and the third for emitting red light, wherein the connection elements are arranged so that the fluorescent tubes are parallel to each other and to the base plane and have approximately the same distance from the base plane, and with a cover made of translucent material which can be placed on the base frame and has a front side and peripheral side areas which cover the base frame ,

Stimmungsleuchten der vorstehend angegebenen Art sind bekannt. Durch Helligkeitssteuerung der verschiedenfarbigen Lampen ist dabei möglich, dass die Abdeckhaube in unterschiedlichen Farben erscheint, aber auch weißes Licht abstrahlen kann.Mood lights of the type mentioned above are known. By brightness control of different colored lamps is possible that the cover appears in different colors, but can also emit white light.

Es ist das Bestreben, die Stimmungsleuchte so zu gestalten, dass sie nicht nur keine technischen Details erkennen lässt, sondern die Abdeckhaube soll - wenn die Lampen Licht abstrahlen - auch keine aufgehellten Streifen und keine abgeschatteten Bereiche zeigen. Nach Anbringung an einer Wand oder Decke soll die Stimmungsleuchte praktisch einen von der Wand oder Decke losgelösten Eindruck vermitteln oder - in ästhetischer Sprachweise ausgedrückt - immateriell erscheinen. Das soll mit anderen Worten bedeuten, dass der Betrachter zwar eine Lichtabstrahlung wahrnimmt, wobei die Leuchte selbst weitgehend unbemerkt bleibt.It is the effort to make the mood lamp so that it not only does not reveal any technical details, but the cover should - when the lamps emit light - also show no brightened stripes and no shaded areas. After being mounted on a wall or ceiling, the mood light should, in effect, impart an impression detached from the wall or ceiling or, in aesthetic terms, appear immaterial. In other words, this means that the observer perceives a light emission, whereby the luminaire itself largely goes unnoticed.

Leider war es bisher nicht möglich, Stimmungsleuchten herzustellen, die die vorstehend beschriebenen gewünschten Eigenschaften vollständig realisieren. Vielmehr sind immer Schatten der Lampenhalterungen in den Seitenbereichen zu sehen. Wenn an sich weißes Licht abgestrahlt werden soll, treten unerwünschte farbige Streifen an der Abdeckung auf.Unfortunately, it has not been possible to produce mood lights that fully realize the desired properties described above. Rather, shadows of the lamp holders are always visible in the side areas. When white light is to be emitted, undesirable colored stripes appear on the cover.

Dokument US 2 288 606 A offenbart eine Leuchte mit mitteln zum Vermeiden von Schatten der Lampenhalterung in den Seitenbereichen.document US 2 288 606 A discloses a luminaire with means for avoiding shadows of the lamp holder in the side areas.

Der Erfindung liegt die Aufgabe zugrunde, die zuletzt genannten Nachteile möglichst zu vermeiden.The invention has for its object to avoid the last-mentioned disadvantages as possible.

Die Aufgabe ist dadurch gelöst, dass an dem Grundgestell der zur Längsrichtung der Leuchtstoffröhren an beiden Seiten der Stimmungsleuchte je zwei parallele und mit Abstand zueinander verlaufende Diffusor-Streifen aus durchscheinendem Material angebracht sind.The object is achieved in that are mounted on the base frame to the longitudinal direction of the fluorescent tubes on both sides of the mood lamp per two parallel and spaced apart extending diffuser strips of translucent material.

Der den Lampenfassungen näher liegende Diffusor-Streifen streut das von den Lampen ausgehende Licht, welches auf den von den Lampenfassungen entfernter liegenden Diffusor-Streifen fällt. Letzterer streut das Streulicht erneut, so dass eine Bildung von aufgehellten oder abgeschatteten Bereichen vermieden wird.The closer to the lamp holders diffuser strip scatters the light emanating from the lamps, which falls on the more distant from the lamp holders diffuser strips. The latter scatters the scattered light again, so that the formation of brightened or shaded areas is avoided.

Eine diesen Effekt unterstützende weiterbildende Maßnahme kann darin bestehen, dass der von der Basisebene abgewandte Randbereich der Diffusor-Streifen eine nicht-gerade Verlaufsform hat.A further development measure that supports this effect can be that the edge region of the diffuser strips facing away from the base plane has a non-straight shape.

Weiterhin unterstützend für diesen Effekt wirkt eine ergänzende Maßnahme, die darin besteht, dass der jeweils höher an den Leuchtstoffröhren liegende Diffusor-Streifen ein stärkeres Diffusionsvermögen als der weiter entfernt liegende Diffusor-Streifen hat.Further supporting this effect is a complementary measure, which consists in that the respective diffuser strip which is located higher on the fluorescent tubes has a greater diffusibility than the diffuser strip located further away.

Im Sinne des angestrebten Effektes ist es weiterhin zweckmäßig, wenn der jeweils näher an den Lampenfassungen liegende Diffusor-Streifen eine geringere Höhe als der weiter entfernt liegende Diffusor-Streifen hat.In terms of the desired effect, it is also expedient if the diffuser strip lying closer to the lampholders has a lower height than the diffuser strip located further away.

Der Bildung von unerwünschten farbigen Streifen insbesondere bei Abstrahlung von weißem Licht kann gemäß einer anderen Weiterbildung der Erfindung dadurch begegnet werden, dass die beiden äußerst angeordneten Leuchtstoffröhren zur Abstrahlung von grünem Licht bestimmt sind und dass an zwei gegenüberliegenden Seiten des Grundgestells je eine parallel zu den Leuchtstoffröhren verlaufende Schatten-Leiste aus lichtundurchlässigem Material angebracht ist.The formation of unwanted colored stripes, in particular in the case of emission of white light, can be counteracted according to another development of the invention in that the two extremely arranged fluorescent tubes are intended for the emission of green light and that on two opposite sides of the base frame one parallel to the fluorescent tubes extending shadow bar made of opaque material is attached.

Am besten wirken die vorstehend beschriebenen Maßnahmen, wenn die Stimmungsleuchte als flacher viereckiger Kasten ausgebildet ist.The measures described above work best when the mood lamp is designed as a flat square box.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen beschrieben.An embodiment of the invention will be described below with reference to the drawings.

Es zeigen:

  • Fig. 1 eine Ansicht von oben auf die Abdeckhaube einer Stimmungsleuchte mit dem darunter befindlichen Grundgestell;
  • Fig. 2 einen Schnitt II-II durch die Stimmungsleuchte nach Fig. 1;
  • Fig. 3 einen Schnitt III-III durch die Stimmungsleuchte nach Fig. 1;
  • Fig. 4 einen Ausschnitt aus einer Ecke der in Fig. 1 gezeigten Stimmungsleuchte in perspektivischer Darstellung.
Show it:
  • Fig. 1 a top view of the cover of a mood lamp with the underlying base frame;
  • Fig. 2 a section II-II by the mood light after Fig. 1 ;
  • Fig. 3 a section III-III by the mood light after Fig. 1 ;
  • Fig. 4 a section from a corner of in Fig. 1 shown mood light in perspective view.

Die in den Fig. 1 bis 4 gezeigte Stimmungsleuchte 1 weist ein Grundgestell 2 auf, an dem sich Fassungen 3 für Leuchtstoffröhren 4 befinden. Das Grundgestell 2 definiert eine Basisebene. Die Lampenfassungen 3 sind so angeordnet, dass sich vier Tripel von Leuchtstoffröhren parallel zueinander und mit gleichem Abstand zur Basisebene erstrecken. Jedes Lampen-Tripel besteht aus drei Leuchtstoffröhren von denen eine zur Abstrahlung von blauem Licht, die zweite zur Abstrahlung von grünem Licht und die dritte zur Abstrahlung von rotem Licht bestimmt ist. Es können dazu Leuchtstoffröhren verwendet werden, die an sich weißes Licht abgeben. Um die Farbwirkung zu erreichen, werden die Leuchtstoffröhren 4 mit einem farbigen Folienschlauch überzogen, der alle Lichtkomponenten ausfiltert, außer derjenigen, deren Farbe er durchlassen soll.The in the Fig. 1 to 4 shown mood light 1 has a base frame 2, on which sockets 3 for fluorescent tubes 4 are located. The base frame 2 defines a base plane. The lamp sockets 3 are arranged so that four triplets of fluorescent tubes extend parallel to each other and at the same distance from the base plane. Each lamp triple consists of three fluorescent tubes, one of which is designed to emit blue light, the other to emit green light, and the third to emit red light. It can be used to fluorescent tubes that emit white light in itself. To achieve the color effect, the fluorescent tubes 4 are coated with a colored film tube that filters out all the light components, except those whose color he is to let through.

Die beiden äußeren Tripel von Leuchtstoffröhren sind so gewählt, dass die äußerste Leuchtstoffröhre zur Abstrahlung von grünem Licht bestimmt ist. Die mittlere Leuchtstoffröhre soll rotes Licht abstrahlen und die innere Leuchtstoffröhre soll blaues Licht abstrahlen.The two outer corners of fluorescent tubes are chosen so that the outermost fluorescent tube is intended for the emission of green light. The middle fluorescent tube should emit red light and the inner fluorescent tube should emit blue light.

Die beiden innen gelegenen Tripel von Leuchtstoffröhren haben eine gleiche Farbverteilung wie die entsprechenden benachbarten außen gelegenen Leuchtstoffröhren-Tripel.The two inside levers of fluorescent tubes have the same color distribution as the corresponding adjacent outside fluorescent tube triples.

Zwischen dem äußersten Leuchtstoffröhren-Tripel und dem entsprechenden weiter innen gelegenen Leuchtstoffröhren-Tripel befinden sich jeweils drei Betriebsgeräte 5. Jedes dieser Betriebsgeräte versorgt zwei Leuchtstoffröhren gleicher Farbe.Between the outermost fluorescent tube triple and the corresponding further inside fluorescent tube triples there are three operating devices 5. Each of these operating devices supplies two fluorescent tubes of the same color.

Um die Bildung von aufgehellten und abgeschatteten Bereichen insbesondere an den nächst den Lampenfassungen 3 liegenden Seitenbereichen der Abdeckhaube 6 zu vermeiden, sind zwischen diesem Seitenbereich der Abdeckhaube und den auf einer Linie liegenden Lampenfassungen 3 je zwei Diffusor-Streifen 7, 8 angeordnet. Der Diffusor-Streifen 7 liegt entfernter von den Lampenfassungen 3 und hat eine größere Höhe als der näher an den Lampenfassungen liegende Diffusor-Streifen 8. Der jeweils näher an den Lampenfassungen 3 liegende Diffusor-Streifen 8 hat jedoch ein stärkeres Diffusionsvermögen, als der weiter entfernt liegende Diffusor-Streifen 7. Die Diffusor-Streifen 7 und 8 sind an ihrer Oberkante unregelmäßig, vorzugsweise wellig ausgebildet. Diffusor-Streifen 7, 8 befinden sich auf beiden Seiten der Leuchtstoffröhre 4, jeweils jenseits der Fassungen 3.In order to avoid the formation of brightened and shaded areas, in particular on the side of the cover hood 6 nearest the lamp sockets 3, two diffuser strips 7, 8 are arranged between this side region of the cover and the lamp sockets 3 lying on one line. The diffuser strip 7 is located farther from the lamp sockets 3 and has a greater height than the diffuser strip 8 located closer to the lamp sockets. The diffuser strip 8 closer to the lamp sockets 3, however, has a greater diffusibility than the farther away lying diffuser strips 7. The diffuser strips 7 and 8 are irregular at its upper edge, preferably wavy educated. Diffuser strips 7, 8 are located on both sides of the fluorescent tube 4, in each case beyond the sockets 3.

Um die Bildung von farbigen Streifen, insbesondere bei Abstrahlung von weißem Licht, zu vermeiden, sind nächst den beiden äußeren grünes Licht abstrahlenden Leuchtstofflampen 4 an den Randbereichen des Grundgestelles 2 Schattenleisten 9 vorgesehen.In order to avoid the formation of colored stripes, especially when emitting white light, next to the two outer green light emitting fluorescent lamps 4 at the edge regions of the base frame 2 shadow strips 9 are provided.

Die in den Figuren gezeigte Stimmungsleuchte bildet insgesamt einen flachen viereckigen Kasten, wobei die Seitenbereiche der Abdeckhaube 6 das Grundgestell 2 und insbesondere die Randbereiche des Grundgestells übergreifen, so dass die Stimmungsleuchte einen losgelösten immateriellen Eindruck vermittelt.The mood light shown in the figures forms a total of a flat quadrangular box, wherein the side portions of the cover 6, the base frame 2 and in particular the edge regions of the base frame overlap, so that the mood light gives a detached immaterial impression.

Claims (6)

  1. An ambience lamp having a base frame (2), defining a base plane, and connecting elements (3) arranged therein for at least two triplets of straight fluorescent tubes (4), of which in each case one is intended to radiate blue light, the second to radiate red light and the third to radiate green light, wherein the connecting elements (3) are arranged in such a way that the fluorescent tubes (4) extend parallel to each other and to the base plane and are at approximately the same distance from the base plane, and having a covering hood (6) of transparent material that can be set onto the base frame (2) and has a front side and also circumferential side regions covering over the base frame,
    characterised in that
    fitted on the base frame (2) transversely to the longitudinal direction of the fluorescent tubes (4) on both sides of the ambience lamp there are respectively two diffuser strips (7, 8) of transparent material that extend in parallel and at a distance from each other.
  2. An ambience lamp according to claim 1,
    characterised in that
    the edge region of the diffuser strips (7, 8) that is remote from the base plane has a course that is not straight.
  3. An ambience lamp according to claim 1 or 2,
    characterised in that
    the respective diffuser strip (8) that lies closer to the connecting elements (3) has a greater diffusibility than the diffuser strip (7) that lies further away.
  4. An ambience lamp according to one of claims 1 to 3,
    characterised in that
    the respective diffuser strip (8) that lies closer to the connecting elements (3) is of a lower height than the diffuser strip (7) that lies further away.
  5. An ambience lamp according to one of the preceding claims,
    characterised in that
    the two fluorescent tubes (4) that are to be arranged right on the outside are intended to radiate green light, and in that fitted on two opposing sides of the base frame (2) there is a respective shade strip (9) of opaque material that extends parallel to the fluorescent tubes (4).
  6. An ambience lamp according to one of the preceding claims,
    characterised in that
    it is formed as a flat square box.
EP07116766A 2006-11-03 2007-09-19 Ambience lamp Not-in-force EP1918635B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202006016859U DE202006016859U1 (en) 2006-11-03 2006-11-03 mood light

Publications (2)

Publication Number Publication Date
EP1918635A1 EP1918635A1 (en) 2008-05-07
EP1918635B1 true EP1918635B1 (en) 2011-11-16

Family

ID=38669947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07116766A Not-in-force EP1918635B1 (en) 2006-11-03 2007-09-19 Ambience lamp

Country Status (3)

Country Link
EP (1) EP1918635B1 (en)
AT (1) ATE533993T1 (en)
DE (1) DE202006016859U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013010053U1 (en) * 2013-11-06 2015-02-10 Zumtobel Lighting Gmbh Arrangement for emitting light for different forms of installation and luminaire with such an arrangement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2288606A (en) * 1940-12-17 1942-07-07 Hygrade Sylvania Corp Fluorescent lamp fixture
FR977356A (en) * 1948-12-16 1951-03-30 Reyka Lighting fixture
US2725461A (en) * 1952-11-12 1955-11-29 Analite Corp Artificial daylight lamp
DE1014231B (en) * 1953-12-31 1957-08-22 Aeg Arrangement for fluorescent lamps
US3201576A (en) * 1964-11-19 1965-08-17 Verilux Inc Fluorescent lighting fixture
DE29804140U1 (en) * 1998-03-09 1998-07-09 Bamberger, Walter, 85137 Walting Device for generating light of variable color temperature and brightness
DE10216249A1 (en) * 2002-04-12 2003-10-23 Zumtobel Staff Gmbh Light has diffuser cage with at least one light inlet opening on at least one side of lamp chamber and wall of chamber opposite cage has at least one light outlet opening
DE102004002251A1 (en) * 2004-01-15 2005-08-04 Zumtobel Staff Gmbh Luminaire with different colored light sources and a light guide plate for emitting mixed light
WO2005106323A1 (en) * 2004-04-30 2005-11-10 Martin Professional A/S Variable colour lighting

Also Published As

Publication number Publication date
DE202006016859U1 (en) 2008-03-06
EP1918635A1 (en) 2008-05-07
ATE533993T1 (en) 2011-12-15

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