EP2954253B1 - Luminaire de façade - Google Patents

Luminaire de façade Download PDF

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Publication number
EP2954253B1
EP2954253B1 EP14703580.2A EP14703580A EP2954253B1 EP 2954253 B1 EP2954253 B1 EP 2954253B1 EP 14703580 A EP14703580 A EP 14703580A EP 2954253 B1 EP2954253 B1 EP 2954253B1
Authority
EP
European Patent Office
Prior art keywords
cover
leds
lamp according
lamp
facade
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.)
Active
Application number
EP14703580.2A
Other languages
German (de)
English (en)
Other versions
EP2954253A1 (fr
Inventor
Bernd Clauss
Norbert Peter
Stefan SCHWARZMANN
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 EP2954253A1 publication Critical patent/EP2954253A1/fr
Application granted granted Critical
Publication of EP2954253B1 publication Critical patent/EP2954253B1/fr
Active 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • 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
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • F21V21/041—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates
    • F21V21/042—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall
    • F21V21/044—Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates using clamping means, e.g. for clamping with panel or wall with elastically deformable elements, e.g. spring tongues
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/10—Safety devices structurally associated with lighting devices coming into action when lighting device is overloaded, e.g. thermal switch
    • 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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/107—Outdoor lighting of the exterior of buildings
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a lamp which is provided for arrangement on or in the facade of a building and has several LEDs arranged on a circuit board as light sources.
  • Such facade lights are often arranged in the profile elements of a facade construction in order to illuminate a certain area of the facade or to achieve optical effects on the outer surface of the building.
  • a preferred positioning of such lights is, for example, in the area of the so-called window reveal in order to optically emphasize the area around the corresponding window.
  • the lights are designed as compact as possible. This is a particular problem when, on the one hand, light sources are used that generate a relatively large amount of heat during operation and, on the other hand, the luminaires are in an environment in which large temperature differences can occur during operation due to external influences. However, such temperature differences in the environment can occur in particular with the facade lights mentioned, since depending on the weather and the position of the sun, the temperatures can vary greatly due to the resulting differences in solar radiation. If LEDs from light sources are also used, the luminaire must be designed using special measures to prevent the LEDs from overheating during operation and thus from being damaged.
  • Luminaires that seal the mounting openings provided for them are, for example, from DE 203 07 610 U1 as well as the WO 2006/094346 A1 known. In both cases, these are lights that are at least partially suitable for use under water, ie underwater searchlights or lights that are arranged on ship hulls.
  • the present invention is therefore based on the task of specifying luminaires for arrangement in a facade construction which, on the one hand, are designed to be sufficiently compact with regard to the intended application and, on the other hand, are reliable against the ingress of liquids into the luminaire itself or the profile elements provided for mounting the luminaire facade construction are secured.
  • one aspect of the present invention relates to the sealing of the lamp relative to the profile element in which the lamp is to be arranged.
  • an elongated installation opening is preferably provided in the profile element, in which the lamp is used.
  • the desired sealing between the lamp and the profile element is achieved according to the invention in that the cover has a projection that protrudes laterally beyond the support element and preferably runs all the way around, which rests against the peripheral area of the assembly opening of the facade construction is provided, a seal being arranged on the side of the protruding projection which faces the housing or the carrier element.
  • This seal therefore rests on the area of the profile element of the façade construction surrounding the assembly opening and creates the required seal between the two elements (light and profile element), so that it is ensured that no liquid can penetrate the profile body via the assembly opening. It is preferably provided here that the seal is formed by an adhesive material. On the one hand, this improves the sealing function, on the other hand, the seal can also be used as a holder for mechanically fastening the light to the facade construction.
  • a lamp for arrangement on a facade structure which has a carrier element on which LEDs are arranged, the lamp also having an optical system assigned to the LEDs and a transparent cover which encloses the LEDs together with the carrier element.
  • the cover has a projection that protrudes laterally beyond the housing and preferably runs all the way around, which is intended to rest against the peripheral area of the assembly opening of the facade structure, with a seal being arranged on the side of the projection facing the housing.
  • the aforementioned optics which are an integral part of the cover of the facade light, form in particular a so-called primary optics for influencing the light output by the LEDs. It is one or more lens-like optical elements which, viewed in cross-section, are approximately truncated and have a light entry surface formed by a recess on the side facing the LEDs.
  • the light exit surface of the cover is formed on the opposite side.
  • This can be in the form of a flat surface or, if appropriate, additionally structured, in order in this case then to form a secondary optic.
  • prism-like structures, corrugations or the like would be conceivable for this secondary optics.
  • the optical means for influencing the light emission are preferably designed in such a way that a highly asymmetrical light emission is achieved, ie the light illuminates a narrow, elongated area on a surface to be illuminated.
  • the primary optics mentioned above can each be assigned individually to the LEDs or extend as a single element over a number of LEDs.
  • attachment elements for further attachment of the facade light according to the invention to a facade construction, additional attachment elements, in particular attachment springs, can also be provided on the light housing or the cover. After inserting the lamp into the installation opening, the springs then press against the profile element from the back, so that a secure hold is additionally ensured with the already mentioned, preferably used, gluing via the circumferential seal.
  • facade lights consists in arranging such lights in the area of a window reveal and then illuminating the opposite area and possibly also neighboring areas of the window reveal. This optically emphasizes the areas of the windows of a building facade.
  • the luminaire used should be very compact and have a light emission characteristic that optimally illuminates the area of the facade to be illuminated without larger portions of the light being emitted into other areas.
  • one Desired light distribution curve which has a strong asymmetry to the effect that the light is emitted along a first direction in a very large angular range, in contrast, in a second direction perpendicular to the first direction, the light is emitted very limited.
  • the area of application also requires a construction such that the luminaire meets protection class IP65, i.e. it is protected against the ingress of liquids.
  • a seal should also be achieved between the luminaire and the facade construction in order to prevent liquids from penetrating into the facade itself.
  • the exemplary embodiments of luminaires described below have been optimized with regard to the points mentioned above, with only the second exemplary embodiment being according to the invention and the first exemplary embodiment being merely illustrative.
  • FIG 1 shows a perspective view of a first exemplary embodiment of a facade light generally provided with the reference number 1 .
  • the lamp 1 consists of an elongate housing 10 which is closed at its top by a transparent cover 20.
  • three LEDs 5 are provided as light sources, which are mounted on a common circuit board 6 (see the sectional representations of the Figures 5 and 6 ) are arranged.
  • the circuit board 6 is also used at the same time to store electronic components, not shown in detail, for controlling the LEDs 6, with these components in particular realizing a so-called thermal reverse regulation.
  • the circuit board 6 is as shown in FIG figure 5 also as flat as possible on the housing underside 11, so that the best possible thermal coupling between the two elements is present and accordingly the housing 10 can be used to emit the heat that occurs during operation of the LEDs 5 to the environment.
  • the housing 10 itself is elongate and designed approximately like a pot, it being evident that the housing 10 is significantly longer than the area over which the arrangement of the LEDs 5 extends.
  • the bottom surface 11 and side walls 12 of the housing 10 accordingly form relatively large surfaces via which the heat can be dissipated to the environment, so that there is no risk that the heat generated by the operation of the LEDs 5 alone will lead to overheating.
  • the housing 10 is made of metal.
  • the LEDs 5 and the other electronic components of the lamp 1 are supplied with power via cables 30 which are routed from the bottom surface 11 into the interior of the housing 10 .
  • cables 30 which are routed from the bottom surface 11 into the interior of the housing 10 .
  • the corresponding area is cast with a sealing, hardening material 35, as shown in the view from the underside in figure 4 shows.
  • the material 35 then results in an absolutely watertight design of the bottom surface of the lamp 1, so that the requirements for achieving protection class IP65 are met here.
  • optical elements the design of which in particular the sectional views of Figures 5 and 6 can be removed.
  • These are so-called primary optics in the form of truncated pyramid-like lens bodies 15, which each have a recess 16 facing the LED 5, into which the LED 5 protrudes slightly.
  • the lateral surface of this recess 16 and its curved bottom surface form the light entry area of the optical element 15, with the light beams that come from the LED 5 and enter the element 15 being aligned in a known manner by this element 15 in such a way that they substantially perpendicular to the cover 20 plane.
  • the light In a direction transverse to the longitudinal direction of the lamp housing 10, the light is only emitted in a very narrow beam (see figure 5 ).
  • the light should be emitted over a very wide range of angles (see Fig figure 6 ), which is achieved through the use of secondary optics on the light exit surface of the cover 20.
  • these secondary optics are realized by transverse corrugations 17 or by prismatic structures oriented in the transverse direction, which distribute the emerging light rays over a wide area, so that ultimately if the luminaire 1 is arranged in the area of a window reveal, the surrounding area of the reveal despite the extremely compact Dimensions of the lamp 1 (this has a length of only about 10 cm), can be fully illuminated.
  • the area of the cover 20 over which the light is emitted is preferably clear, while the remaining area of the cover 20 is matte.
  • the optical elements are an integral part of the cover 20, so they do not represent separate elements that would have to be arranged separately in the lamp 1.
  • the resulting reduction in the number of components ultimately means that all of the relevant and/or to-be-protected components of the lamp 1 are exclusively enclosed by the pot-like housing 10 and the cover 20 .
  • an appropriate seal only has to be achieved between these two elements.
  • This sealing of the lamp housing is achieved in that the cover 20 is glued to the pot-like housing 10 .
  • the adhesive bond 19 extends between the underside of the cover 20 and the upper edges of the end and side walls of the housing 10, with adhesive bonding over the entire circumference then achieving a firm connection on the one hand and a reliable seal on the other.
  • a positioning aid is created by means of two webs 21, which protrude into the interior of the housing 10 and in particular rest against the insides of the end walls, so that when the housing 10 and the cover 20 are joined together, exact alignment with one another is ensured.
  • the sealing is additionally improved in the area of the end walls of the lamp 1 .
  • the watertight lamp 1 obtained in this way is then inserted into the oblong installation opening of a profile element 100 of a facade construction and mechanically fixed there.
  • the first measures for holding the light 1 consist of two retaining springs 35 which are arranged on the two end faces of the light 1 .
  • the springs 35 are fastened to the housing 10 via a pin-like projection 14 which is arranged on a tab 13 protruding from the end wall.
  • the fact that the cover 20 is designed to project all the way around compared to the housing 10 can not only be used to clamp the lamp 1 to the profile element 100 .
  • an additional sealing of the assembly opening can also be achieved, which is achieved by an additional measure that will be described below.
  • a circumferential seal 25 is arranged on the protruding area 22 of the cover 20 on its underside, which is effective between the cover 20 and the area of the profile element 100 surrounding the assembly opening. This results in the desired seal, which means that no moisture can enter the profile element 100 via the assembly opening. Due to the fact that the cover 20 has a peripheral area 22 that protrudes relatively far, there is also a certain amount of leeway with regard to the design of the assembly opening. It therefore does not have to be precisely adapted to the outer dimensions of the housing 10, the desired sealing between the lamp 1 and the profile element 100 being achieved in spite of everything.
  • the sealing is further improved by the adhesive properties, however, the mounting of the lamp 1 on the profile element 100 is also optimized. Since the lamp 1 itself has a relatively low weight, the gluing between the cover 20 and the profile element 100 would even be sufficient for adequately holding the lamp 1 and the clamping springs 35 could possibly be dispensed with.
  • FIG. 7 to 11 An embodiment of a facade light according to the invention is in the Figures 7 to 11 shown.
  • the special feature of this second embodiment is that the facade light provided with the reference number 51 does not have an actual housing or the housing is primarily formed by the cover 70 .
  • the circuit board 60 on which the LEDs 55 and corresponding electronic components 56 are arranged is directly coupled to the transparent cover 70 here.
  • the cover 70 In the area of the LEDs, the cover 70 in turn has integral optics 65 for influencing the light output, with these optics 65 again being designed in the manner of a truncated pyramid when viewed in cross section, but now extending over the entire LED arrangement.
  • the optics 65 thus in turn lead to the bundling of the light in the transverse direction. However, because it now extends over a longer dimension, there is no bundling in the longitudinal direction and the light rays are - as in figure 11 shown - again delivered as desired over a larger angular range.
  • the cover 70 has side walls which extend down to the circuit board 60 . If necessary, these side walls could also extend over the entire length of circuit board 60 . In both cases, this means that the circuit board 60 together with the cover 70 in turn encloses the LEDs 55 and the other electronic components 56 of the lamp 51 .
  • circuit board also forms the underside of the luminaire housing, so to speak, it can be used to efficiently dissipate the heat generated during LED operation.
  • the second variant of the facade light is similar to that in FIGS Figures 1 to 6 illustrated embodiment.
  • two retaining springs 85 are arranged at the front ends of the lamp 51, the corresponding bearings for the springs 85 now being arranged on the transparent cover 70 extending down to the circuit board 60.
  • the cover 70 itself in turn has a peripheral projection 72, on the underside of which the seal 75, which is preferably made with adhesive, is arranged for sealing against the profile element 100.
  • the lamp 51 itself is designed to be watertight and, moreover, also designed in such a way that it seals the mounting opening of the profile element 100 from the outside space in the mounted state.
  • the self-adhesive seal it should be noted that, in order to simplify handling, it is preferably provided with an easily detachable cover element, which is only removed before the lamp is mounted directly on the profile body. Since the seal extends over the entire circumference, that is to say is designed in the manner of a ring, a cover element designed in the same way as a ring would be obvious at first glance. However, it has turned out in practice that such a ring-shaped cover element is difficult to remove. Preferably, therefore, two tear-off strips of the same design, offset from one another by 180°, are provided with corresponding Tabs provided, which can be removed much easier. Of course, a comparable measure in the first embodiment of the Figures 1 to 6 be provided.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (10)

  1. Luminaire (51) destiné à être disposé dans une construction de façade (100), présentant
    • un élément de support (60) sous la forme d'une carte de circuit imprimé (60),
    • des LED (55) disposées sur la carte de circuit imprimé (60) ainsi que d'autres composants électroniques (56) destinés au pilotage des LED (55),
    • un élément optique (65) associé aux LED (55) et
    • un couvercle transparent (70) présentant, dans une zone latérale par rapport aux LED (55), des parois latérales s'étendant jusqu'à l'élément de support (60) et au-delà, ledit couvercle (70) entourant, conjointement avec l'élément de support (60), les LED (55) et les autres composants électroniques (56),
    ledit élément optique (65) étant constitué d'un seul tenant avec le couvercle (70) et ledit couvercle (70) étant collé à l'élément de support (60),
    ledit couvercle (70) présentant une saillie (72) dépassant latéralement au-dessus de l'élément de support (60), de préférence en l'entourant totalement, et prévue pour venir au contact de la zone périphérique d'une ouverture de montage réalisée dans la construction de façade (100),
    et un joint d'étanchéité (75) étant disposé sur le côté de la saillie (72) du couvercle (70) qui est tourné vers l'élément de support (60).
  2. Luminaire selon la revendication 1,
    caractérisé en ce que
    le joint (75) est formé par un matériau adhésif.
  3. Luminaire selon l'une des revendications précédentes, caractérisé en ce que
    l'élément optique (65) a une section transversale tronconique.
  4. Luminaire selon la revendication 3,
    caractérisé en ce qu'
    un élément optique est associé à chaque LED (55).
  5. Luminaire selon la revendication 3,
    caractérisé en ce qu'
    un élément optique s'étend sur plusieurs LED (55).
  6. Luminaire selon l'une des revendications précédentes, caractérisé en ce qu'
    une optique secondaire est formée sur la face extérieure du couvercle (70).
  7. Luminaire selon la revendication 6,
    caractérisé en ce que
    l'optique secondaire est formée par des cannelures transversales ou des prismes (17) orientés transversalement.
  8. Luminaire selon l'une des revendications précédentes, caractérisé en ce que
    des ouvertures situées sur l'élément de support (60) ou le couvercle (70) destinées au passage de lignes (80) pour l'alimentation en courant sont scellées avec un matériau d'étanchéité (35).
  9. Luminaire selon l'une des revendications précédentes, caractérisé en ce que
    celui-ci présente des éléments de retenue mécaniques, notamment des ressorts de serrage (85) servant à un serrage avec un élément profilé de la structure de façade.
  10. Luminaire selon l'une des revendications précédentes, caractérisé en ce que
    celui-ci comporte un circuit de protection qui fait fonctionner les LED (55) avec une puissance inférieure ou les désactive en cas de dépassement d'une température prédéterminée.
EP14703580.2A 2013-02-08 2014-02-07 Luminaire de façade Active EP2954253B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202013100577.0U DE202013100577U1 (de) 2013-02-08 2013-02-08 Fassadenleuchte
PCT/EP2014/052445 WO2014122270A1 (fr) 2013-02-08 2014-02-07 Luminaire de façade

Publications (2)

Publication Number Publication Date
EP2954253A1 EP2954253A1 (fr) 2015-12-16
EP2954253B1 true EP2954253B1 (fr) 2023-04-05

Family

ID=50071608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14703580.2A Active EP2954253B1 (fr) 2013-02-08 2014-02-07 Luminaire de façade

Country Status (5)

Country Link
US (1) US10066807B2 (fr)
EP (1) EP2954253B1 (fr)
CN (1) CN104956144A (fr)
DE (1) DE202013100577U1 (fr)
WO (1) WO2014122270A1 (fr)

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CN104956144A (zh) 2015-09-30
US10066807B2 (en) 2018-09-04
US20150369448A1 (en) 2015-12-24
WO2014122270A1 (fr) 2014-08-14
DE202013100577U1 (de) 2014-05-09
EP2954253A1 (fr) 2015-12-16

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