EP2986899B1 - Led module and assembly for emitting light - Google Patents
Led module and assembly for emitting light Download PDFInfo
- Publication number
- EP2986899B1 EP2986899B1 EP14716316.6A EP14716316A EP2986899B1 EP 2986899 B1 EP2986899 B1 EP 2986899B1 EP 14716316 A EP14716316 A EP 14716316A EP 2986899 B1 EP2986899 B1 EP 2986899B1
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- EP
- European Patent Office
- Prior art keywords
- leds
- carrier
- led module
- assembly
- led
- 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.)
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Links
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Images
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
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
-
- 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 present invention relates to an arrangement for emitting light with an LED module and associated optical devices.
- a positioning line 5 is provided for this purpose, on each of which a certain number of LEDs 3 are placed.
- the electrical connection of the LED module 2 is not shown for reasons of clarity.
- the carrier 7 is essentially preferably flat.
- a further embodiment of an LED module 8 is shown, consisting of a carrier 9 in an elongated, rectangular and planar embodiment and an array of LEDs 10, consisting of two rows of twenty LEDs 10.
- the design of the carrier 9 is of course not only this form is limited.
- the LED module 8 has an axis of symmetry in the longitudinal direction.
- electrical contacts 11 for the power supply of the LED module 8 are shown.
- the density of the LEDs 10 in an outer region of the carrier 9 is higher than in a middle region in order to more evenly distribute the thermal load of the carrier 9 during operation, taking into account the more efficient heat conduction in the edge region of the board.
- the light-emitting devices 1 and 13 can be combined with one another in any desired manner. This is of course to be understood in the context of technical feasibility and advantage or usefulness. The focus is finally on the thermally optimized design of optical systems.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Die vorliegende Erfindung betrifft eine Anordnung zur Lichtabgabe mit einem LED-Modul und zugeordneten optischen Vorrichtungen.The present invention relates to an arrangement for emitting light with an LED module and associated optical devices.
Ausgangspunkt für die vorliegende Erfindung ist die momentan gängige Verschaltung von LEDs auf ebenen Trägerplatinen zu LED-Modulen, die Bestandteile einer Anordnung zur Lichtabgabe - vorzugsweise einer im Wesentlichen homogenen Lichtabgabe - bilden. Eine Möglichkeit eine derartige im Wesentlichen homogene Lichtabgabe bei solchen Lichtabgabeanordnungen zu erzielen, besteht dabei darin, eine gleichmäßige Anordnung von im Wesentlichen gleichen LEDs auf der Trägerplatine zu wählen.Starting point for the present invention is the currently common interconnection of LEDs on planar carrier boards to LED modules, the components of an arrangement for light output - preferably a substantially homogeneous light output - form. One way to achieve such a substantially homogeneous light output in such light emitting devices, is to choose a uniform arrangement of substantially the same LEDs on the carrier board.
Allerdings besteht bei einer derartigen Anordnung oftmals das Problem eines Wärmestaus im Zentrum bzw. mittleren Bereich der Platine, was darauf zurückzuführen ist, dass jede LED bei Betrieb im Wesentlichen derselben Stromlast unterliegt und damit in etwa dieselbe thermische Last auf dem Träger und in den LEDs verursacht, allerdings im Randbereich einer Platine diese Wärme besser an die Umgebung bzw. einen mit der Platine gekoppelten Kühlkörper abgegeben werden kann. Um die Lebensdauer der LEDs zu verlängern bzw. diese dauerhaft in einem vorgeschriebenen Temperaturbereich betreiben zu können, muss deshalb die gestaute Wärme effizient abgeführt bzw. die thermische Last des Trägers reduziert werden. Insbesondere müssen etwaige Kühlungsmaßnahmen derart ausgelegt werden, dass auch in dem mittleren Bereich der Platine, der der höchsten thermischen Belastung unterliegt, keine Überhitzung der LEDs auftreten kann.However, such an arrangement often has the problem of heat build-up in the center of the board due to the fact that each LED, when operated, undergoes substantially the same current load, causing approximately the same thermal load on the carrier and LEDs However, in the edge region of a board, this heat better to the environment or a coupled to the board heat sink can be delivered. In order to extend the life of the LEDs or to be able to operate them permanently in a prescribed temperature range, therefore, the jammed heat has to be dissipated efficiently or the thermal load of the carrier has to be reduced. In particular, any cooling measures must be designed so that even in the central region of the board, which is subject to the highest thermal load, no overheating of the LEDs can occur.
Aus der
Aus der
Aus der
Weitere Anordnungen zur Lichtabgabe mit ungleichmäßig verteilt angeordneten LEDs sind aus den Schriften
Aus der
Der vorliegenden Erfindung liegt die Aufgabenstellung zugrunde, die thermische Belastung für ein LED-Modul, bestehend aus einem Träger und sich darauf befindenden LEDs, gleichmäßiger zu verteilen, vorzugsweise zusätzlich zu verringern, und dabei trotz allem eine für einen Betrachter im Wesentlichen gleichmäßige Lichtabgabe durch das LED-Modul zu erzielen.The present invention is based on the object, the thermal load for a LED module, consisting of a support and LEDs located thereon to distribute more evenly, preferably in addition to reduce, while still providing a substantially uniform for a viewer light output by the To achieve LED module.
Die Aufgabe wird gemäß der Erfindung mit dem in dem unabhängigen Anspruch angegebenen Gegenstand gelöst. Besondere Ausführungsformen und Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.The object is achieved according to the invention with the object specified in the independent claim. Particular embodiments and further developments of the invention are specified in the dependent claims.
Gemäß der Erfindung ist eine Anordnung zur Lichtabgabe vorgesehen, die ein LED-Modul aufweist, sowie eine optische Vorrichtung zur Beeinflussung der Lichtabgabe. Das LED-Modul besteht dabei aus einer Anordnung elektronisch verschalteter LEDs und einem Träger für die LEDs, wobei die Anordnung der LEDs derart gewählt ist, dass die durch den Betrieb der LEDs verursachte thermische Belastung im Wesentlichen gleichmäßig über den Träger verteilt ist.According to the invention, an arrangement for emitting light is provided, which has an LED module, and an optical device for influencing the light output. The LED module consists of an arrangement of electronically interconnected LEDs and a support for the LEDs, wherein the arrangement of the LEDs is selected such that the thermal load caused by the operation of the LEDs is distributed substantially uniformly over the carrier.
Dadurch, dass während des Betriebes die thermische Belastung des Trägers gleichmäßig verteilt ist, lassen sich vorteilhafterweise in gewissen Temperaturbereichen die Größe benötigter Kühlkörper deutlich verringern. Unter Umständen ist deren Anwesenheit sogar überhaupt nicht mehr erforderlich. Insbesondere letzteres hätte dann zur Folge, dass die Größe von Leuchten, die ein erfindungsgemäßes LED-Modul beinhalten, deutlich reduziert werden kann und ferner auch die Herstellungskosten reduziert werden können.Characterized in that the thermal load of the carrier is evenly distributed during operation, can advantageously be significantly reduced in certain temperature ranges, the size of the required heat sink. Under certain circumstances, their presence is even no longer necessary. In particular, the latter would have the consequence that the size of luminaires, which include an inventive LED module can be significantly reduced and also the manufacturing cost can be reduced.
Die Wahl der Anordnung der LEDs auf dem Träger ist dabei insbesondere dadurch gekennzeichnet, dass die Verteilung der LEDs ungleichmäßig, vorzugsweise zusätzlich symmetrisch ist, und dass die Dichte - d.h. die Anzahl von LEDs pro Fläche - der LEDs in einem äußeren bzw. Randbereich des Trägers größer ist als in einem inneren bzw. mittleren Bereich des Träger. Dieser Wahl liegt die bereits oben erwähnte Erkenntnis zugrunde, dass die Wärme auf dem Träger besser über dessen Randbereiche abgeführt werden kann, als dies im zentralen Bereich der Fall ist.The choice of the arrangement of the LEDs on the carrier is characterized in particular in that the distribution of the LEDs is uneven, preferably additionally symmetrical, and that the density - i. the number of LEDs per area - the LEDs in an outer or edge region of the carrier is greater than in an inner or central region of the carrier. This choice is based on the already mentioned above finding that the heat can be better dissipated on the support over the edge areas, as is the case in the central area.
Es erweist sich ferner als vorteilhaft für die Wahl der Anordnung, wenn alle LEDs im Wesentlichen identisch sind. Ferner wird davon ausgegangen, dass die elektronische Verschaltung der LEDs derart gewählt ist, dass jede LED im Wesentlichen derselben Stromlast unterliegt und somit in etwa gleicher Weise während des Betriebs Licht und Wärme erzeugt.It also proves advantageous for the choice of arrangement when all the LEDs are substantially identical. Further, it is believed that the electronic circuitry of the LEDs is selected such that each LED is subject to substantially the same current load and thus produces light and heat in approximately the same manner during operation.
Der Träger ist ferner vorzugsweise derart gestaltet, dass die LEDs auf dessen Oberfläche in einer Ebene angeordnet sind.The carrier is also preferably designed such that the LEDs are arranged on the surface thereof in a plane.
Die optische Vorrichtung besteht dabei in einem Zellenrastersystem, das aus wannenförmigen Einzelzellen besteht, in denen die LEDs des LED-Moduls angeordnet sind. Vorzugsweise ist dabei das Zellenrastersystem fest mit dem LED-Modul verbaut.The optical device consists in a cell grid system consisting of trough-shaped single cells in which the LEDs of the LED module are arranged. Preferably, the cell grid system is firmly installed with the LED module.
Jede Einzelzelle des Zellenrasters definiert vorzugsweise mehrere ortsfeste Positionierungsmöglichkeiten, die eine flexible Positionierung der LEDs in der Zelle ermöglichen. Dies kann beispielsweise mit Hilfe einer Positionierungslinie erfolgen, welche eine bestimmte Anzahl an LED-Positionierungsmöglichkeiten aufweist. Die Anordnung der Einzelzellen ist homogen bzw. weist ein gleichmäßiges Raster auf.Each individual cell of the cell grid preferably defines a plurality of stationary positioning options that allow for flexible positioning of the LEDs in the cell. This can be done for example by means of a positioning line, which has a certain number of LED positioning options. The arrangement of the individual cells is homogeneous or has a uniform grid.
Aufgrund der erfindungsgemäßen Ausgestaltung des LED-Moduls unterscheidet sich nunmehr allerdings die Anzahl der LEDs in den Einzelzellen. Vorzugsweise sind die Positionierungsmöglichkeiten dabei derart ausgelegt, dass in einer Zelle, die sich in einem Randbereich des Trägers befindet, mehr LEDs platziert werden können als in einer Zelle, die sich in einem mittleren Bereich des Trägers befindet. Bei einer Vollbesetzung des Trägers mit LEDs sind somit in den Randbereichen des Trägers deutlich mehr LEDs vorzufinden als in den mittleren Bereichen. Das Zellenrastersystem sorgt allerdings dafür, dass bei seitlicher bzw. schräger Betrachtung des LED-Moduls die LEDs nicht unmittelbar sichtbar sind. Für einen Betrachter ist dementsprechend die inhomogene Lichtabgabe unter seitlicher bzw. schräger Betrachtung nicht erkennbar.Due to the inventive design of the LED module now differs, however, the number of LEDs in the individual cells. In this case, the positioning possibilities are preferably designed in such a way that more LEDs can be placed in a cell which is located in an edge area of the carrier than in a cell which is located in a middle area of the carrier. With a full occupation of the carrier with LEDs, significantly more LEDs are thus to be found in the edge regions of the carrier than in the central regions. However, the cell grid system ensures that the LEDs are not directly visible when the LED module is viewed sideways or obliquely. For a viewer, accordingly, the inhomogeneous light output under lateral or oblique viewing is not recognizable.
Die Erfindung wird im Folgenden anhand von Ausführungsbeispielen und mit Bezug auf die Zeichnungen näher erläutert. Es zeigen:
-
Fig. 1 eine Frontskizze eines ersten Ausführungsbeispiels erfindungsgemäßen Anordnung zur Lichtabgabe, bestehend aus einem erfindungsgemäßen LED-Modul und einem Zellenrastersystem als optischer Vorrichtung zur Beeinflussung der Lichtabgabe; -
Fig. 2 eine Skizze der Rückseite der Anordnung zur Lichtabgabe gemäßFig. 1 ; -
Fig. 3 eine Querschnittskizze der Anordnung zur Lichtabgabe gemäßFig. 1 ; -
Fig. 4 eine perspektivische Skizze der Anordnung zur Lichtabgabe gemäßFig. 1 ; -
Fig. 5 eine Frontskizze eines erfindungsgemäßen LED-Moduls; sowie -
Fig. 6 eine Querschnittskizze eines Beispiels einer Anordnung zur Lichtabgabe, bestehend aus einem LED-Modul gemäßFig. 5 und einem Linsensystem als optischer Vorrichtung zur Beeinflussung der Lichtabgabe.
-
Fig. 1 a front sketch of a first embodiment of the invention arrangement for emitting light, consisting of an LED module according to the invention and a cell grid system as an optical device for influencing the light output; -
Fig. 2 a sketch of the back of the arrangement for light emission according toFig. 1 ; -
Fig. 3 a cross-sectional diagram of the arrangement for light emission according toFig. 1 ; -
Fig. 4 a perspective sketch of the arrangement for light emission according toFig. 1 ; -
Fig. 5 a front sketch of an LED module according to the invention; such as -
Fig. 6 a cross-sectional diagram of an example of a device for emitting light, consisting of an LED module according toFig. 5 and a lens system as an optical device for influencing the light output.
In
Jede Einzelzelle 6, die vorzugsweise Abmessungen in der Größenordnung von ca. 3 bis 5 cm aufweist, definiert mehrere ortsfeste Positionierungsmöglichkeiten, die eine flexible Positionierung der LEDs 3 ermöglichen. Im vorliegenden Fall ist hierzu jeweils eine Positionierungslinie 5 vorgesehen, auf die jeweils eine bestimmte Anzahl an LEDs 3 platziert sind. Insbesondere in den Randbereichen sind hierbei - anders als üblich - mehrere LEDs 3 innerhalb einer Zelle vorgesehen. Die elektrische Verschaltung des LED-Moduls 2 ist aus Gründen der Übersichtlichkeit nicht dargestellt. Der Träger 7 ist im Wesentlichen vorzugsweise eben.Each
Die Anzahl der innerhalb einer bestimmten Einzelzelle 6 platzierten LEDs 3 hängt von der jeweiligen Position der betrachteten Einzelzelle 6 ab. Je zentraler die Einzelzelle 6 im Hinblick auf die Fläche des LED-Moduls 2 liegt, desto weniger LEDs 3 sind vorgesehen, wobei allerdings je Zelle 6 zumindest einer LED vorgesehen ist. Hierdurch wird bei Betrieb des LED-Moduls 2 eine im Wesentlichen gleichmäßige thermische Belastung des LED-Moduls 2 bei maximal möglicher LED-Besetzung gewährleistet. Da insgesamt weniger LEDs 3 auf dem erfindungsgemäßen LED-Modul 2 vorhanden sind als auf üblichen vergleichbaren LED-Modulen, die vor allem eine gleichmäßige LED-Anordnung aufweisen, wird auch das Temperaturniveau insgesamt reduziert.The number of
In
In
Wird über die dargestellte Anordnung Licht abgegeben, so führt die erfindungsgemäße Belegung der Zellen 6 mit LEDs 3 bzw. die ungleichmäßige Anordnung der LEDs3 dazu, dass durch die LEDs 3 im mittleren bzw. zentralen Bereich des Moduls 2 weniger Wärme generiert wird. Da auf der anderen Seite im Randbereich des Moduls 2 die Wärme besser abgeleitet werden kann, ergibt sich insgesamt gesehen eine etwa gleichmäßige thermische Belastung über die gesamte Fläche hinweg. Gleichzeitig ist aufgrund der Wirkung des Rasters die unterschiedliche Lichtabgabe über die Zellen 6 hinweg nur schwer erkennbar. Da zumindest eine LED 3 pro Zelle vorgesehen ist, ergibt sich insgesamt ein im Wesentliches homogenes Erscheinungsbild bzgl. der Lichtabgabe.If light is emitted via the illustrated arrangement, the occupation of the
In
Auch bei diesem Ausführungsbeispiel ist im Sinne der Erfindung die Dichte der LEDs 10 in einem äußeren Bereich des Trägers 9 höher als in einem mittleren Bereich um unter Berücksichtigung der effizienteren Wärmeleitung im Randbereich der Platine die thermische Last des Trägers 9 bei Betrieb gleichmäßiger zu verteilen. Dies zeigt sich in diesem Ausführungsbeispiel speziell dadurch, dass an beiden schmalen Enden des Trägers 9 jeweils eine beliebig betrachtete LED-Reihe mit einer Gruppe von fünf LEDs 10 beginnt, wobei allerdings im zentraleren Bereich nur noch Dreier- und Zweiergruppen in größeren Abständen voneinander vorgesehen sind. Aufgrund der Achsensymmetrie des LED-Moduls 8 gelten diese Eigenschaften auch für die andere LED-Reihe.In
In this embodiment as well, the density of the LEDs 10 in an outer region of the carrier 9 is higher than in a middle region in order to more evenly distribute the thermal load of the carrier 9 during operation, taking into account the more efficient heat conduction in the edge region of the board. This is particularly evident in this exemplary embodiment in that an arbitrarily considered LED row with a group of five LEDs 10 begins at both narrow ends of the carrier 9, although only three and two groups are provided at greater distances from one another in the more central region , Due to the axis symmetry of the LED module 8, these properties also apply to the other LED series.
In
Vorzugsweise sind die Linsenelemente 16 klein gegenüber den Abmessungen des Linsenträgers 15. Ferner liegen die Linsenelemente 16 dicht beieinander und ebenfalls vorzugsweise sind die Linsenelemente 16 im Wesentlichen identisch. Weiterhin vorzugsweise sind die optischen Achsen aller Linsenelemente 16 parallel zueinander ausgerichtet.In
Preferably, the lens elements 16 are small compared to the dimensions of the
Das LED-Modul 8 und das Linsensystem 14 müssen nicht zwangsläufig dieselbe Form aufweisen. Die relative Anordnung zwischen LED-Modul 8 und Linsensystem 14 ist dabei derart gewählt, dass aus möglichst viel Licht ein möglichst homogenes Erscheinungsbild hinsichtlich der Lichtabgabe entsteht. Auf diese Weise ist die geringere Dichte der LEDs 10 bzw. das Fehlen einzelner LEDs 10 im mittleren Bereich des Trägers 9 aufgrund des Verschwimmens bzw. Verschmelzens einzelner Lichtpunkte optisch kaum bis gar nicht wahrnehmbar. Dieser Effekt ist abhängig vom Abstand zwischen dem Beobachter und einer Leuchte, die die Lichtabgabeanordnung 14 enthält.The LED module 8 and the lens system 14 do not necessarily have the same shape. The relative arrangement between LED module 8 and lens system 14 is chosen such that as much light as possible a homogeneous appearance with respect to the light output arises. In this way, the lower density of the LEDs 10 or the absence of individual LEDs 10 in the central region of the carrier 9 due to the blurring or merging of individual points of light optically hardly noticeable. This effect depends on the distance between the observer and a luminaire containing the light-emitting device 14.
Die Lichtabgabeanordnungen 1 und 13 sind in beliebiger Weise miteinander kombinierbar. Dies ist selbstverständlich im Rahmen der technischen Umsetzbarkeit und Vorteilhaftigkeit bzw. Nützlichkeit zu verstehen. Im Vordergrund steht letztendlich die thermisch optimierte Auslegung von optischen Systemen.The light-emitting
Claims (5)
- An assembly for light emission (1), consisting of- an LED module (2), consisting of an assembly of electronically connected LEDs (3) and a carrier (7) for the LEDs,wherein the assembly of the LEDs (3) is selected in such a way that the thermal load of carrier (7) caused by the operation of the LEDs (3) is distributed substantially evenly over the carrier (7) and- an optical device,wherein the optical device is a cell grid system (4), which consists of trough-shaped individual cells (6), in which the LEDs (3) are arranged,
wherein the assembly of the individual cells (6) is homogeneous or has a uniform grid and the number of LEDs (3) differs between the individual cells (6),
wherein the density of the LEDs (3) in an outer area or edge area of the carrier (7) is greater than in the inner or central area. - An assembly according to Claim 1,
characterized in
that in each individual cell (6) at least one LED (3) is arranged. - An assembly according to Claim 1 or 2,
characterized in
that each individual cell (6) defines several stationary positioning possibilities, which make possible a flexible positioning of the LEDs (3), for example, with the aid of a positioning line (5). - An assembly according to any one of the preceding claims,
characterized in
that all LEDs (3) on the carrier (7) are substantially identical. - An assembly according to any one of the preceding claims,
characterized in
that all LEDs (3) are arranged in a plane.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013206390.3A DE102013206390A1 (en) | 2013-04-11 | 2013-04-11 | LED module and arrangement for light emission |
PCT/EP2014/057146 WO2014166991A1 (en) | 2013-04-11 | 2014-04-09 | Led module and assembly for emitting light |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2986899A1 EP2986899A1 (en) | 2016-02-24 |
EP2986899B1 true EP2986899B1 (en) | 2019-01-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14716316.6A Active EP2986899B1 (en) | 2013-04-11 | 2014-04-09 | Led module and assembly for emitting light |
Country Status (3)
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EP (1) | EP2986899B1 (en) |
DE (1) | DE102013206390A1 (en) |
WO (1) | WO2014166991A1 (en) |
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DE102022205568A1 (en) | 2022-06-01 | 2023-12-07 | Continental Automotive Technologies GmbH | Display device and means of transport |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014121877A1 (en) * | 2013-02-06 | 2014-08-14 | Osram Gmbh | Louver light fitting with reflector cells and semiconductor light sources |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003331604A (en) * | 2002-05-16 | 2003-11-21 | Harison Toshiba Lighting Corp | Backlight unit |
GB2417824A (en) * | 2004-09-02 | 2006-03-08 | Custom Interconnect Ltd | LED light source |
DE202006015506U1 (en) * | 2006-10-10 | 2007-01-04 | Li, Chia-Mao | Illuminating appliance with numerous LED chips contained in holder with contact pins and of good heat convection from LED chips in radial and symmetrical lay-out on holder, for uniform and fast heat convection |
JP5208597B2 (en) * | 2008-07-01 | 2013-06-12 | 富士フイルム株式会社 | Illumination device, imaging device |
CN101446404A (en) * | 2008-12-29 | 2009-06-03 | 浙江晶日照明科技有限公司 | LED road lamp and illuminating light-regulating method therefor |
JP2011134474A (en) * | 2009-12-22 | 2011-07-07 | Sharp Corp | Surface light emitting device |
US8581269B2 (en) * | 2010-02-10 | 2013-11-12 | Lumen Dynamics Group Inc. | Modular high density LED array light sources |
-
2013
- 2013-04-11 DE DE102013206390.3A patent/DE102013206390A1/en not_active Withdrawn
-
2014
- 2014-04-09 WO PCT/EP2014/057146 patent/WO2014166991A1/en active Application Filing
- 2014-04-09 EP EP14716316.6A patent/EP2986899B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014121877A1 (en) * | 2013-02-06 | 2014-08-14 | Osram Gmbh | Louver light fitting with reflector cells and semiconductor light sources |
EP2954258A1 (en) * | 2013-02-06 | 2015-12-16 | OSRAM GmbH | Louver light fitting with reflector cells and semiconductor light sources |
Also Published As
Publication number | Publication date |
---|---|
DE102013206390A1 (en) | 2014-10-16 |
EP2986899A1 (en) | 2016-02-24 |
WO2014166991A1 (en) | 2014-10-16 |
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