EP2366947B1 - Lighting unit - Google Patents

Lighting unit Download PDF

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Publication number
EP2366947B1
EP2366947B1 EP11000278.9A EP11000278A EP2366947B1 EP 2366947 B1 EP2366947 B1 EP 2366947B1 EP 11000278 A EP11000278 A EP 11000278A EP 2366947 B1 EP2366947 B1 EP 2366947B1
Authority
EP
European Patent Office
Prior art keywords
lighting unit
lamp element
recess
luminous element
holding frame
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
EP11000278.9A
Other languages
German (de)
French (fr)
Other versions
EP2366947A1 (en
Inventor
Hans-Joachim Naber
Michael Antons
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.)
Naber Holding GmbH and Co KG
Original Assignee
Naber Holding GmbH and Co KG
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 Naber Holding GmbH and Co KG filed Critical Naber Holding GmbH and Co KG
Publication of EP2366947A1 publication Critical patent/EP2366947A1/en
Application granted granted Critical
Publication of EP2366947B1 publication Critical patent/EP2366947B1/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
    • 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
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a lighting unit, in particular a submergible lighting unit having a flat body with a recess for receiving a planar luminous element and a flat luminous element having a surface which lies in a first position of the lighting unit with a surface of the body in a plane wherein the luminous element is pivotable, so that the surfaces of the luminous element and body in an adjoining second position of the lighting unit include an angle and the luminous element is pivotable about an axis which is parallel to the surface of the body.
  • These lighting units have the property of being able to be retrofitted, for example, as an additional light source.
  • Such a lighting unit is from the JP 2006 114 395 A known. Similar lighting units also describe the JP 2010 009 886 A and the EP 2 128 516 A2 ,
  • Lamps are now known from the prior art, which on the one hand have a practical light output, on the other hand, however, no longer have in operation the known heat of incandescent lamps. Due to the associated comparatively much higher efficiency of these lamps, it is even possible to operate them with batteries or accumulators. Particularly noteworthy from this group of novel bulbs are the large-area LED bulbs of ElectraLED ® .
  • a lighting unit in which the pivotability of the luminous element is achieved in that the recess is formed by a holding frame, which is pivotable about an axis which is parallel to the surface of the body and which is aête of the holding frame, wherein in the first setting position of the lighting unit of the holding frame, the recess form-fitting fills and the surfaces of the lighting element and the body lie with a surface of the holding frame in the plane.
  • the present invention when the present invention is referred to as a "planar" design, it includes all geometries in which two spatial dimensions extend at least twice as far as a third spatial dimension.
  • this relates in particular to the body of the lighting unit in which the luminous element is to be accommodated and the luminous element itself. It is particularly preferred that the body and the luminous element in the third spatial dimension extend at least approximately the same distance. In such an embodiment, it is possible that the body in the third dimension just has to be executed so strong that the planar light-emitting element in at least one setting position of the lighting unit is completely retractable in the recess of the body.
  • the surface of the luminous element is mentioned, the light-emitting surface of the luminous element is always meant.
  • the luminous element comprises only the LED-based flat luminous means with low heat development known from the prior art, then it is possible that the last-mentioned embodiment of the luminaire unit can also be mounted directly on heat-sensitive objects, such as furniture, on the side facing away from the light-emitting surface of the luminous element is without any fear of damage to the furniture.
  • the described arrangement of the pivot axis is preferable for the sole reason that it makes it possible for the luminous element to assume the actuating position in which the surface of the luminous element and a surface of the body lie in a common plane, but on the other hand the luminous element from this position can be swung out, for example, to adjust the light beam direction of the lighting unit to the needs of a user.
  • the holding frame can in particular fulfill the purpose of covering those areas of the luminous element which are not occupied by the light-emitting surface of the luminous element in order to make the luminous element and thus the entire lighting unit more visually appealing.
  • the surface of the lighting element is substantially circularly symmetrical. Consequently, the recess for receiving the luminous element has a geometry which is adapted to receive the aforementioned luminous element positive or non-positive, under the proviso that the lighting unit can always assume a parking position in which a surface of the body with the surface of the Luminous element lies in a plane.
  • FIG. 1 shows an embodiment of the illumination unit according to the invention, in which the luminous element 3 is integrated into a holding frame 8, which in turn is articulated on the body 1 via an axis 7. Shown is a parking position of the lighting unit, in which the surface 4 of the luminous element 3 and the surface 5 of the body 1 are not in a common plane. It will be appreciated, however, that when the support frame 8 is pivoted about the axis 7 toward the body 1, both the surface 9 of the support frame 8 and the surfaces 4 and 5 of the light element 3 and body 1, respectively, may occupy a common plane , In the illustrated embodiment, in the above-described setting position of the illumination unit, the holding frame 8 would fill the recess 2 in a form-fitting manner.
  • FIG. 2 shows the lighting unit according to FIG. 1 in a plan view and in a parking position in which the surfaces 4, 5, 9 lie in a common plane, ie the case when the holding frame 8 together with the luminous element 3 is received in a form-fitting manner in the invisible recess 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Description

Die Erfindung betrifft eine Beleuchtungseinheit, insbesondere eine unterbaufähige Beleuchtungseinheit, die einen flächigen Körper mit einer Aussparung zur Aufnahme eines flächigen Leuchtelements und ein flächiges Leuchtelement aufweist, das eine Oberfläche besitzt, welche in einer ersten Stellposition der Beleuchtungseinheit mit einer Oberfläche des Körpers in einer Ebene liegt, wobei das Leuchteelement verschwenkbar ist, so dass die Oberflächen von Leuchtelement und Körper in einer zweiten Stellposition der Beleuchtungseinheit einen Winkel einschließen und das Leuchtelement um eine Achse verschwenkbar ist, welche parallel zu der Oberfläche des Körpers verläuft. Diese Beleuchtungseinheiten weisen die Eigenschaft auf, auch nachträglich, beispielsweise als zusätzliche Lichtquelle, montiert werden zu können. Eine derartige Beleuchtungseinheit ist aus der JP 2006 114 395 A bekannt. Ähnliche Beleuchtungseinheiten beschreiben auch die JP 2010 009 886 A und die EP 2 128 516 A2 .The invention relates to a lighting unit, in particular a submergible lighting unit having a flat body with a recess for receiving a planar luminous element and a flat luminous element having a surface which lies in a first position of the lighting unit with a surface of the body in a plane wherein the luminous element is pivotable, so that the surfaces of the luminous element and body in an adjoining second position of the lighting unit include an angle and the luminous element is pivotable about an axis which is parallel to the surface of the body. These lighting units have the property of being able to be retrofitted, for example, as an additional light source. Such a lighting unit is from the JP 2006 114 395 A known. Similar lighting units also describe the JP 2010 009 886 A and the EP 2 128 516 A2 ,

Das Nachrüsten von Leuchtmitteln wird grundsätzlich dadurch erschwert, dass zum einen häufig im Nachhinein nur unter erheblichem Aufwand die für den Betrieb des Leuchtmittels notwendige Energiezufuhr bereitgestellt werden kann, und zum anderen dadurch, dass diese Leuchtmittel, wenn sie beispielsweise an Möbeln befestigt werden sollen, welche aus brennfähigem Material bestehen, über eine thermische Isolierung verfügen müssen, damit die Wärmeentwicklung des Leuchtmittels nicht das Möbel beeinträchtigt.The retrofitting of bulbs is fundamentally made more difficult by the fact that, on the one hand, the energy supply necessary for the operation of the luminous means can be provided only after considerable effort, and, on the other hand, that these luminous means, if they are to be attached to furniture, for example made of combustible material, must have a thermal insulation, so that the heat generation of the bulb does not affect the furniture.

Aus dem Stand der Technik sind mittlerweile Leuchtmittel bekannt, welche einerseits eine praxisgerechte Lichtausbeute aufweisen, andererseits jedoch nicht mehr im Betrieb die von Glühlampen bekannte Hitzeentwicklung aufweisen. Aufgrund des damit einhergehenden vergleichsweise viel höheren Wirkungsgrades dieser Leuchtmittel, ist es sogar möglich, diese mit Batterien oder Akkumulatoren zu betreiben. Besonders hervorzuheben aus dieser Gruppe neuartiger Leuchtmittel sind die großflächigen LED-Leuchtmittel der Firma ElectraLED®.Lamps are now known from the prior art, which on the one hand have a practical light output, on the other hand, however, no longer have in operation the known heat of incandescent lamps. Due to the associated comparatively much higher efficiency of these lamps, it is even possible to operate them with batteries or accumulators. Particularly noteworthy from this group of novel bulbs are the large-area LED bulbs of ElectraLED ® .

Es ist somit die Aufgabe der Erfindung, ausgehend von dem bekannten Stand der Technik eine Beleuchtungseinheit vorzuschlagen, welche nicht mehr die hohe Wärmeentwicklung bekannter Beleuchtungseinheiten aufweist, aufwendige thermische Isolierungsmaßnahmen verzichtbar macht und sich darüber hinaus in zumindest einer Stellposition durch eine kompakte Bauform und geringe Bauhöhe auszeichnet.It is therefore the object of the invention to propose, starting from the known prior art, a lighting unit which no longer has the high heat development of known lighting units, complex thermal insulation measures makes dispensable and also characterized in at least one parking position by a compact design and low height.

Diese Aufgabe wird von einer Beleuchtungseinheit gelöst, bei der die Verschwenkbarkeit des Leuchtelements dadurch erreicht wird, dass die Aussparung von einem Halterahmen gebildet wird, welcher um eine Achse verschwenkbar ist, die parallel zu der Oberfläche des Körpers verläuft und welche eine Passante des Halterahmen ist, wobei in der ersten Stellposition der Beleuchtungseinheit der Halterahmen die Aussparung formschlüssig ausfüllt und die Oberflächen des Leuchtelements und des Körpers mit einer Oberfläche des Halterahmens in der Ebene liegen.This object is achieved by a lighting unit in which the pivotability of the luminous element is achieved in that the recess is formed by a holding frame, which is pivotable about an axis which is parallel to the surface of the body and which is a passante of the holding frame, wherein in the first setting position of the lighting unit of the holding frame, the recess form-fitting fills and the surfaces of the lighting element and the body lie with a surface of the holding frame in the plane.

Wenn bei der vorliegenden Erfindung von einer "flächigen" Bauform die Rede ist, sind davon sämtliche Geometrien umfasst, bei denen sich zwei räumliche Dimensionen mindestens doppelt so weit erstrecken, wie eine dritte räumliche Dimension. Bei der vorliegenden Erfindung betrifft dies insbesondere den Körper der Beleuchtungseinheit, in welcher das Leuchtelement aufgenommen werden soll und das Leuchtelement selbst. Besonders bevorzugt ist vorgesehen, dass sich der Körper und das Leuchtelement in der dritten räumlichen Dimension zumindest annähernd gleich weit erstrecken. Bei einer solchen Ausführungsform ist es möglich, dass der Körper in der dritten Dimension gerade nur so stark ausgeführt werden muss, dass das flächige Leuchtelement in zumindest einer Stellposition der Beleuchtungseinheit vollständig in der Aussparung des Körpers versenkbar ist.When the present invention is referred to as a "planar" design, it includes all geometries in which two spatial dimensions extend at least twice as far as a third spatial dimension. In the present invention, this relates in particular to the body of the lighting unit in which the luminous element is to be accommodated and the luminous element itself. It is particularly preferred that the body and the luminous element in the third spatial dimension extend at least approximately the same distance. In such an embodiment, it is possible that the body in the third dimension just has to be executed so strong that the planar light-emitting element in at least one setting position of the lighting unit is completely retractable in the recess of the body.

Wenn bei der vorliegenden Erfindung von der Oberfläche des Leuchtelementes die Rede ist, ist stets die lichtemittierende Fläche des Leuchtelementes gemeint.When in the present invention, the surface of the luminous element is mentioned, the light-emitting surface of the luminous element is always meant.

Umfasst das Leuchtelement lediglich die aus dem Stand der Technik bekannten LEDbasierten flächigen Leuchtmittel mit geringer Wärmeenwicklung, so ist es möglich, dass die letztgenannte Ausführungsform der Beleuchtungseinheit auch an der der lichtemittierenden Oberfläche des Leuchtelements abgewandten Seite unmittelbar an wärmeempfindliche Gegenstände, wie zum Beispiel Möbel, montierbar ist, ohne dass eine Beeinträchtigung des Möbels zu befürchten wäre.If the luminous element comprises only the LED-based flat luminous means with low heat development known from the prior art, then it is possible that the last-mentioned embodiment of the luminaire unit can also be mounted directly on heat-sensitive objects, such as furniture, on the side facing away from the light-emitting surface of the luminous element is without any fear of damage to the furniture.

Aufgrund der genannten Vorteile neuartiger LED-basiertet Leuchtmittel ist es somit möglich dass die Anforderungen an die Beschaffenheit des Körpers mit der Aussparung zur Aufnahme des Leuchtelements darauf beschränkt werden können, dass dieser das Leuchtmittel an einem gewünschten Ort, beispielsweise einem Möbel, hält und optisch ansprechend verpackt. Der Körper hat jedoch nicht mehr die Aufgabe, die Wärmeentwicklung des Leuchtelements von einem Untergrund, auf dem die Beleuchtungseinheit befestigt ist, fernzuhalten, so dass sich erfindungsgemäße Beleuchtungseinheiten durch ihre besonders flache Bauform auszeichnen.Due to the aforementioned advantages of novel LED-based lighting means, it is thus possible that the requirements on the nature of the body with the recess for receiving the light element can be limited to the fact that it holds the light source at a desired location, such as furniture, and visually appealing packed up. However, the body no longer has the task of keeping away the heat development of the lighting element from a substrate on which the lighting unit is mounted, so that lighting units according to the invention are distinguished by their particularly flat design.

Erfindungswesentlich ist jedoch, dass das Leuchtelement eine Stellposition einnehmen kann, bei welcher α = 0° beträgt, also die Oberfläche des Leuchtelements mit einer Oberfläche des Körpers in einer Ebene liegt.However, it is essential to the invention that the luminous element can assume a setting position in which α = 0 °, that is to say that the surface of the luminous element lies in one plane with a surface of the body.

Die beschriebene Anordnung der Verschwenkachse ist schon allein deshalb zu bevorzugen, da sie es ermöglicht, dass das Leuchtelement einerseits die Stellposition einnehmen kann, bei der die Oberfläche des Leuchtelements und eine Oberfläche des Körpers in einer gemeinsamen Ebene liegen, andererseits jedoch das Leuchtelement aus dieser Stellposition herausgeschwenkt werden kann, um beispielsweise die Lichtstrahlrichtung der Beleuchtungseinheit an die Bedürfnisse eines Benutzers anzupassen.The described arrangement of the pivot axis is preferable for the sole reason that it makes it possible for the luminous element to assume the actuating position in which the surface of the luminous element and a surface of the body lie in a common plane, but on the other hand the luminous element from this position can be swung out, for example, to adjust the light beam direction of the lighting unit to the needs of a user.

Der Halterahmen kann insbesondere den Zweck erfüllen, diejenigen Bereiche des Leuchtelements abzudecken, welche nicht von der lichtemittierenden Fläche des Leuchtelements eingenommen werden, um das Leuchtelement und damit die gesamte Beleuchtungseinheit optisch ansprechender zu gestalten. Bei einer Ausführungsform der Beleuchtungseinheit ist die Oberfläche des Leuchtelements im Wesentlichen kreissymmetrisch. Folglich weist auch die Aussparung zur Aufnahme des Leuchtelements eine Geometrie auf, welche dazu geeignet ist, das vorbenannte Leuchtelement form- oder kraftschlüssig aufzunehmen, unter der Maßgabe, dass die Beleuchtungseinheit stets eine Stellposition einnehmen kann, in der eine Oberfläche des Körpers mit der Oberfläche des Leuchtelements in einer Ebene liegt.The holding frame can in particular fulfill the purpose of covering those areas of the luminous element which are not occupied by the light-emitting surface of the luminous element in order to make the luminous element and thus the entire lighting unit more visually appealing. In one embodiment of the lighting unit, the surface of the lighting element is substantially circularly symmetrical. Consequently, the recess for receiving the luminous element has a geometry which is adapted to receive the aforementioned luminous element positive or non-positive, under the proviso that the lighting unit can always assume a parking position in which a surface of the body with the surface of the Luminous element lies in a plane.

Vorteilhafte Ausführungsformen der Erfindung sind Gegenstand der nachfolgenden Figuren. Dabei zeigt:

Figur 1
eine perspektivische Ansicht einer Ausführungsform der Erfindung in einer ersten Stellposition; und
Figur 2
eine Seitenansicht der Beleuchtungseinheit gemäß Figur 1 in einer zweiten Stellposition.
Advantageous embodiments of the invention are the subject of the following figures. Showing:
FIG. 1
a perspective view of an embodiment of the invention in a first setting position; and
FIG. 2
a side view of the lighting unit according to FIG. 1 in a second parking position.

Figur 1 zeigt eine Ausführungsform der erfindungsgemäßen Beleuchtungseinheit, bei der das Leuchtelement 3 in einen Halterahmen 8 integriert ist, welcher wiederum über eine Achse 7 an dem Körper 1 angelenkt ist. Dargestellt ist eine Stellposition der Beleuchtungseinheit, in welcher die Oberfläche 4 des Leuchtelements 3 und die Oberfläche 5 des Körpers 1 nicht in einer gemeinsamen Ebene liegen. Es ist jedoch zu erkennen, dass, wenn der Halterahmen 8 um die Achse 7 in Richtung Körper 1 geschwenkt wird, sowohl die Oberfläche 9 des Halterahmens 8 als auch die Oberflächen 4 und 5 des Leuchtelements 3 bzw. des Körpers 1 eine gemeinsame Ebene einnehmen können. Bei der dargestellten Ausführungsform würde in der vorbeschriebenen Stellposition der Beleuchtungseinheit der Halterahmen 8 die Aussparung 2 formschlüssig ausfüllen. FIG. 1 shows an embodiment of the illumination unit according to the invention, in which the luminous element 3 is integrated into a holding frame 8, which in turn is articulated on the body 1 via an axis 7. Shown is a parking position of the lighting unit, in which the surface 4 of the luminous element 3 and the surface 5 of the body 1 are not in a common plane. It will be appreciated, however, that when the support frame 8 is pivoted about the axis 7 toward the body 1, both the surface 9 of the support frame 8 and the surfaces 4 and 5 of the light element 3 and body 1, respectively, may occupy a common plane , In the illustrated embodiment, in the above-described setting position of the illumination unit, the holding frame 8 would fill the recess 2 in a form-fitting manner.

Figur 2 zeigt die Beleuchtungseinheit gemäß Figur 1 in einer Draufsicht sowie in einer Stellposition, in welcher die Oberflächen 4, 5, 9 in einer gemeinsamen Ebene liegen, also den Fall, wenn der Halterahmen 8 samt Leuchtelement 3 in der nicht sichtbaren Aussparung 2 formschlüssig aufgenommen ist. FIG. 2 shows the lighting unit according to FIG. 1 in a plan view and in a parking position in which the surfaces 4, 5, 9 lie in a common plane, ie the case when the holding frame 8 together with the luminous element 3 is received in a form-fitting manner in the invisible recess 2.

Die in der vorstehenden Beschreibung, in der Zeichnung sowie in den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der Erfindung wesentlich sein.The features of the invention disclosed in the foregoing description, in the drawing and in the claims may be essential for the realization of the invention both individually and in any desired combination.

Claims (5)

  1. A lighting unit, which comprises a flat body (1) having a recess (2) for accommodating a flat lamp element (3), and a flat lamp element (3), one surface (4) of which is located in the same plane (6) as a surface (5) of the body (1) when the lighting unit is in a first position, wherein the lamp element (3) is capable of pivoting such that the surfaces (4, 5) of lamp element (3) and body (1) form an angle α when the lighting unit is in a second adjustment position, and the lamp element (3) is capable of pivoting around an axis (7) that extends parallel to the surface (5) of the body (1), characterized in that the pivotability of the lamp element (3) is achieved in that the recess (2) is formed by a holding frame (8), which is capable of pivoting around an axis (7) that extends parallel to the surface (5) of the body (1) and forms a passant line relative to the holding frame (8), wherein when the lighting unit is in the first adjustment position, the holding frame (8) fills the recess in a form-fitting manner and the surfaces (4, 5) of the lamp element (3) and of the body (1) lie within the plane (6) along with a surface (9) of the holding frame (8).
  2. The lighting unit according to claim 1, characterized in that the body (1) and the lamp element (3) each extend at least twice as long in a first and a second spatial dimension as in a third spatial dimension.
  3. The lighting unit according to claim 2, characterized in that the body (1) and the lamp element (3) extend at least approximately the same length in the third spatial dimension.
  4. The lighting unit according to any one of claims 1 to 3, characterized in that the lamp element (3) is accommodated fully within the recess (2).
  5. The lighting unit according to claim 1, characterized in that the surface (4) of the lamp element (3) is substantially circular symmetrical.
EP11000278.9A 2010-03-18 2011-01-14 Lighting unit Not-in-force EP2366947B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010003789U DE202010003789U1 (en) 2010-03-18 2010-03-18 lighting unit

Publications (2)

Publication Number Publication Date
EP2366947A1 EP2366947A1 (en) 2011-09-21
EP2366947B1 true EP2366947B1 (en) 2016-03-16

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ID=42309365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11000278.9A Not-in-force EP2366947B1 (en) 2010-03-18 2011-01-14 Lighting unit

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DE (1) DE202010003789U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013105307U1 (en) 2013-11-22 2015-02-27 "Steinberg" Leuchtmittelwerke Gmbh Luminaire with a basic light area and a spotlight area

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19917401A1 (en) * 1999-04-16 2000-10-26 Hauke Haller Lighting body has board between two plates, of which at least one has openings corresponding. to LEDs on board; board with LEDs and plates are joined together to form panel
US20030107884A1 (en) * 1999-12-20 2003-06-12 Krietzman Mark Howard Flat illuminator with flexible integral switching arm
US6533436B2 (en) * 2000-05-10 2003-03-18 Mark Howard Krietzman Thin flat illuminator
JP2006114395A (en) * 2004-10-15 2006-04-27 Toyota Industries Corp Lighting system
JP2006147428A (en) * 2004-11-22 2006-06-08 Toyota Industries Corp Lighting fixture
JP2010010124A (en) * 2008-05-28 2010-01-14 Toshiba Lighting & Technology Corp Lighting system
JP5140500B2 (en) * 2008-06-25 2013-02-06 パナソニック株式会社 lighting equipment
JP4738446B2 (en) * 2008-06-27 2011-08-03 財団法人山形県産業技術振興機構 Lighting device

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EP2366947A1 (en) 2011-09-21
DE202010003789U1 (en) 2010-07-01

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