EP2948710B1 - Luminaire a forme allongee - Google Patents

Luminaire a forme allongee Download PDF

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Publication number
EP2948710B1
EP2948710B1 EP14701378.3A EP14701378A EP2948710B1 EP 2948710 B1 EP2948710 B1 EP 2948710B1 EP 14701378 A EP14701378 A EP 14701378A EP 2948710 B1 EP2948710 B1 EP 2948710B1
Authority
EP
European Patent Office
Prior art keywords
support assembly
trunking system
lines
lighting
power supply
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
EP14701378.3A
Other languages
German (de)
English (en)
Other versions
EP2948710A1 (fr
Inventor
Gerald Ladstätter
Gerhard Galler
Thomas Rein
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 EP2948710A1 publication Critical patent/EP2948710A1/fr
Application granted granted Critical
Publication of EP2948710B1 publication Critical patent/EP2948710B1/fr
Active legal-status Critical Current
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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
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F21S8/061—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension with a non-rigid pendant, i.e. a cable, wire or chain
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
    • 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
    • F21V21/03—Ceiling bases, e.g. ceiling roses
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the present invention relates to a lighting system according to the preamble of claim 1, which has an elongated support arrangement for mounting lamp units and lines for the power supply and / or signal transmission.
  • Lightpipe systems of this type are characterized by their high flexibility with respect to the arrangement and design of the ultimately obtained lighting system.
  • continuous-row lighting systems offer the possibility of relatively flexibly positioning luminaire units in desired positions and in the desired manner and, moreover, even after installation of the system at a later point in time to make changes.
  • the replacement of a lighting unit is relatively easy to perform in a lighting system, so that the lighting can be adjusted to the current wishes at any time. Due to the fact that different lighting units are available with different light sources and optics, thereby lighting scenarios of various kinds can be realized.
  • Various light band systems are known from the prior art, which differ in particular with regard to the storage of the lines for the power supply and signal transmission and the question of flexibility in the positioning of the lamp units.
  • insulated cable strands are connected to which contacting modules are connected at certain predetermined positions.
  • the corresponding lighting units can then be connected to these contacting modules, so that the arrangement of the contacting modules also provides the possibilities for positioning the lighting units.
  • the contacting modules are then arranged at regular intervals, so that a continuous arrangement of in the longitudinal direction of the lighting system successively arranged lighting units is made possible.
  • Another possibility is to arrange the lines for the power supply and / or signal transmission within the carrier assembly such that a completely free positioning of the lamp units is made possible.
  • a solution is provided, for example, in the lighting system "TECTON" of the applicant.
  • the now non-insulated cables run in special profile bodies, which are arranged within the carrier assembly and configured such that the cables are freely accessible at any point, so can be contacted.
  • the greatest possible flexibility is created because the positioning of the lamp modules is not limited to a few predetermined positions. Since it must be ensured on the other hand for safety reasons that the - usually a voltage in the range of 220V having - power supply cable are not accidentally touched, the profile body must be made very expensive in the known lighting system, which is associated with a lot of effort.
  • the present invention has for its object to provide a novel solution for the realization of a lighting system available, which can be easily installed and the end user the possibility opened, even after installation of the system easily perform repair or maintenance and possibly within the Carrier arrangement to be able to lay additional lines.
  • the lighting strip system according to the invention has many innovations over previously known solutions. Overall, the system according to the invention has a modular character, which allows a very simple assembly. At the same time, a wide variety of lighting units or optics for use on the lighting system are available to the end user and maintenance or repair work can be carried out easily.
  • a first special feature of the light band system according to the invention consists in the configuration of the carrier arrangement. While hitherto, the support rails used in lighting systems usually have a downwardly open U-shape, it is provided that in the inventive system, the support assembly in cross section has an I-shaped profile, whereby two longitudinally extending, formed by a partition receiving areas become. One of the receiving areas is used here for the arrangement of the lines for the power supply and / or signal transmission, while in contrast the operating devices of the lighting units are arranged in the other receiving area.
  • a light strip system with an elongated carrier arrangement for holding luminaire units and lines for the power supply and / or signal transmission is accordingly proposed, wherein according to the invention the carrier arrangement has an I-shaped profile in cross-section with two extending in the longitudinal direction of the carrier element, by a - preferably vertically aligned - partition wall separate receiving areas, wherein in one of the receiving areas, the lines for the power supply and / or signal transmission are arranged and in the other receiving area operating devices of the lamp units are arranged. It is provided that the receiving areas of the support assembly are each closed by the partition opposite side walls, which are releasably fastened to the support assembly
  • the lines, in particular the current-carrying lines are arranged separately from the operating devices of the lighting units in the present case.
  • greater safety which precludes accidental contact with the cables when working on the lamp unit or on the operating device, due to the separation of the through-wiring and the internal wiring and any problems in terms of so-called. EMC compatibility are excluded.
  • EMC compatibility are excluded.
  • These problems have been recurrent in overhead line systems where through-wiring and operating equipment have been located within the same space or area, so special measures had to be taken to avoid these problems.
  • the inventive design of the carrier assembly such problems are avoided in a very simple and elegant way from the outset.
  • the I-shaped configuration of the carrier assembly is also characterized by a high stability in the longitudinal direction, which leads to further advantages.
  • the carrier arrangement itself is preferably formed by a plurality of I-shaped profile bodies arranged one behind the other in the longitudinal direction. At the front ends of the profile body then electrical connection elements for the lines for the power supply and / or signal transmission are then provided. That is, the individual profile body can be delivered with the already installed wiring, the end user then only join the profile body together and make the electrical connection. The assembly effort is thereby extremely reduced, in spite of everything in the sense of a lighting system, a continuous wiring is created.
  • the I-shape of the profile body is obtained in that each profile body is formed by two C-shaped profile parts, which are each arranged back to back.
  • the cost of producing C-shaped profile parts is significantly lower, which is why in this way in a very simple but efficient manner, the advantageous I-shaped configuration of the carrier assembly can be obtained.
  • openings are preferably formed, in each of which amaschinetechniksbuchse for contacting the lines of the through-wiring is arranged by the operating devices.
  • the lighting system according to the invention will be arranged or fixed to a ceiling, such that the partition - as already mentioned - is vertically aligned.
  • the two receiving areas of the carrier assembly thus run side by side and are separated by the partition, which in turn means that they are initially open to the outside.
  • By releasably secured to the support assembly side walls these are then completed. That is, an access to the operating device of a lamp unit, which is arranged in a receiving area, can be obtained in a simple manner, that the side wall is removed from the carrier assembly.
  • the opposite receiving area for the lines can be opened by removing the side wall, which ultimately opens up the possibility to arrange additional cable in this receiving area without much effort, which can then be used for other purposes.
  • a particularly advantageous embodiment of the use of the removable side walls is further that these - seen in the light emitting direction - have protruding extensions, are formed by which optical means for influencing the light output of the lamp units.
  • these protruding extensions can form reflectors, which can then be configured differently in terms of their shape, so that the end user can use different optics on the lighting system.
  • a separate arrangement of optical elements would of course be conceivable.
  • a novel light band system is accordingly provided by the present invention, which is easy to assemble, but at the same time offers the end user still flexible options for the arrangement of lighting units.
  • repair or maintenance is facilitated and allows the laying of additional lines for other purposes.
  • FIG. 1 initially shows generally a portion of a lighting system 1, wherein the system 1 can be designed in a known manner in any length.
  • the central component is an elongated support assembly 5, which serves as a carrier of the entire system 1 and can be attached in different ways to an external support, for example the ceiling of a room or the like. Shown in the present case, a wire suspension, in which at certain intervals at the top of the support assembly 5 retaining clips 6 are arranged, which via corresponding ropes. 7 connected to the external carrier.
  • An immediate mounting of the support assembly 5 on the ceiling of a room would be conceivable.
  • the carrier assembly 5 is used as in the light band systems 1 usually the holder of the lamp units and the storage of the cables for the power supply and / or signal transmission, the so-called.
  • Through wiring This through-wiring extends over the entire length of the carrier assembly 5 and allows in the present case at certain positions, the arrangement of operating devices of the lamp units, which then contact the wires of the through-wiring.
  • the through-wiring therefore provides, on the one hand, for the power supply of the lighting units and, on the other hand, on the other hand, also serves for the signal transmission in order to be able to control the lights from a central control device.
  • optical elements for influencing the light output are also arranged directly or indirectly on the carrier device 5.
  • the light strip system 1 is modular, wherein the individual modules each represent by a combination consisting of carrier device 5, lamp unit and optics. These modules must then be connected to each other only at the end faces to form the lighting system 1 as a whole, it being ensured by making an electrical connection that the through-wiring extends over the entire length in contrast to a serial arrangement of individual lights. Due to the modular design, a particularly simple installation of the lighting system 1 is made possible, at the same time, however, the system is designed such that the end user can still carry out repair or maintenance work in a simple manner. For example. a subsequent phase selection for the lighting units or a replacement of the ballast in case of failure can be performed at any time. This is ensured by the special configuration, in particular of the carrier assembly 5, which will be explained in more detail below.
  • the support assembly 5 is seen in the scope designed approximately square or rectangular, as is the case with classic U-shaped mounting rails.
  • the support assembly 5 is formed by I-shaped profile body 10, which are arranged one behind the other in the longitudinal direction and form the individual modules of the lighting system 1.
  • the I-shape of the profile body 10 can the representations of Figures 2 and 3 be removed.
  • This I-shape has the consequence that a vertical center web 11 is formed, at its upper end and lower end horizontally extending end walls 12 and 13 are formed.
  • Both end walls 12 and 13 are not plan but profiled profiled according to the representation, in which they are bent in particular at their lateral end portions and thereby form locking elements 14 - as will be described in more detail below - are used in particular for attaching removable side walls.
  • the profiled shape of the upper end wall 12 can also be used to fasten the already mentioned clamps 6 for fastening a cable suspension to the profile bodies 10.
  • the sockets 30 of the lighting units of the lighting system 1 are arranged. These sockets 30 are used to hold the light sources 31, which in the illustrated case are fluorescent lamps. In a variant described in more detail below, LED light sources can alternatively be used.
  • the lamp sockets 30 are connected to the in the receiving area of the support means 5 correspondingly arranged operating device, which is responsible for the power supply and the operation of the lamps 31.
  • additional optical elements could be attached to the underside 13 of the body 11 in order to influence the light output.
  • the projections 16 can be used to snap corresponding elements.
  • the light sources or the sockets for the light sources are arranged directly on the profile body 10 of the carrier arrangement 5, so that the profile body and the lighting unit form one unit.
  • This "all-in-one embodiment” represents a further special feature of the system according to the invention, through which the final assembly for the consumer is further simplified.
  • the I-shaped configuration of the profile body 10 also has the consequence that on both sides of the partition wall 11 extending in the longitudinal direction of the lighting system 1 free spaces or receiving areas A and B are formed. These areas A, B are separated from each other by the partition wall 11 and serve to accommodate different components of the lighting strip system 1.
  • the through-wiring 23 is formed by insulated cable strands which run in the longitudinal direction of the light band system.
  • electrical connection elements are provided for connection to the adjacent module, which during assembly of the light band system simply have to be coupled together to realize the through-wiring.
  • connecting parts are each firmly connected to one of the modules, which can be done, for example, by clinching. After pushing the adjacent module, this is then fixed to the connecting part by means of special locking springs or the like, so that the modules can not inadvertently separate from each other.
  • the right receiving area B can accordingly without further disturbing elements for the arrangement of Operating devices 22 are used.
  • the separation of the receiving areas A and B ie the areas for the through-wiring 23 and the operating devices, ensures that there are no problems in terms of EMC compatibility. While the cables for the through-wiring and the operating devices have been arranged in the same space in previously known continuous row lighting systems and this could lead to corresponding problems, such difficulties are excluded in the present system from the outset.
  • the I-shaped configuration of the profile body 10 also has the consequence that the receiving areas A and B are initially open laterally. Since, of course, the system should have a total of a closed impression, it is provided that the receiving areas A and B are closed by side walls 25 which are designed to be removable, so can be easily snapped onto the profile body 10 and removed again.
  • the side walls 26 on their top and bottom corresponding projections 26 and 27, which cooperate with the end portions 14 of the upper and lower end wall 12, 13 such that the side walls 25 are hooked in a simple manner first at the top and then can be snapped onto the profile body 10 on its underside. In the reverse manner, a loosening of the side walls 25, so that the receiving areas A and B can be very easily opened and closed again.
  • the easy way to get access to the receiving areas A and B brings in particular the advantage that very simple repair or maintenance can be performed or the possibility exists to lay additional lines. Obviously, by removing the right side wall access to the operating devices can be obtained, so that they can be easily replaced in case of failure. Furthermore, additional cables or lines can be laid in the receiving area A if necessary without any problems, which can then be used for other purposes. It would be conceivable, e.g. the laying of cables for loudspeakers or for video surveillance.
  • these - in the light emission direction - protruding projections 28 may have.
  • optical elements for influencing the light output can be formed. This can be realized in a simple manner in that the wings are formed reflecting at least on its inner side and thereby form in the longitudinal direction extending reflector wings.
  • these extensions 28 can be arbitrarily shaped or designed to influence the light output in different ways.
  • the lighting units can then have different optics.
  • optics can be attached directly to the profile body, which, for example, then would offer, if it is optics of a translucent material, which completely surround the light sources 31 and should influence the light output by refraction and / or scattering.
  • I-shaped profile body is also to be noted that these are preferably not integrally formed for manufacturing reasons, since this would be associated with a high cost and therefore high costs. Instead, it is preferably provided that a profile body is formed from two C-shaped profile parts, which are arranged in each case back to back, in order ultimately to give the illustrated I-shape. In this case, therefore, the partition wall 11 is double-walled, which leads to an additional increased stability. Both profile parts 10a and 10b are then preferably inseparably connected to each other, which, for example, can be done by Verclinchen again.
  • FIG. 4 Finally shows a variant of the light band system according to the invention, in which instead of the fluorescent lamps previously shown now LEDs are used as light sources.
  • a corresponding unit 40 is snapped onto the I-shaped profile body 10 from the underside.
  • the unit has a board 41 with LEDs 42 arranged thereon.
  • it forms a primary optic, in that the middle region 45 is designed like a lens.
  • the unit 40 is preferably placed on the profile body 10 in total, ie with the LED board already arranged thereon. Alternatively, initially only the LED board attached to the underside of the profile body 10 and then the existing of a transparent material primary optics 45 are placed as shown.
  • FIG. 4 identical to the variant described above.
  • the through cabling or the operating devices of the lamp units are thus arranged separately in the two receiving areas A and B, wherein at certain positions openings in the partition wall 11 are provided to allow contacting of the wiring.
  • removable side walls can be placed, which may possibly form additional optics.
  • FIG. 4 is also good again the two-part design of the I-shaped profile body, so the arrangement of two C-shaped profile parts back to back recognizable.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (9)

  1. Système de bande lumineuse (1) avec un dispositif de support allongé (5) pour le support d'unités de luminaires ainsi que de câbles pour l'alimentation électrique et/ou la transmission de signaux, le dispositif de support (5) présentant, en coupe transversale, un profil en forme de I, avec deux zones de logement (A, B), s'étendant dans la direction longitudinale du dispositif de support (5), séparées par une cloison (11), de préférence orientée verticalement, les câbles pour l'alimentation électrique et/ou la transmission de signaux (23) étant disposés dans une des zones de logement (A, B) et les appareils d'actionnement (22) des unités de luminaires étant disposés dans l'autre zone de logement,
    caractérisé en ce que
    les zones de logement (A, B) du dispositif de support (5) sont obturées par des parois latérales (25), opposées à la cloison (11), qui peuvent être fixées de manière amovible au dispositif de support (5).
  2. Système de bande lumineuse selon la revendication 1,
    caractérisé en ce que
    le dispositif de support (5) est constitué de plusieurs corps profilés (10) en forme de I disposés les uns derrière les autres dans la direction longitudinale.
  3. Système de bande lumineuse selon la revendication 2,
    caractérisé en ce que
    au niveau des extrémités frontales de chacun des corps profilés (10), sont prévus des éléments de raccordement électriques pour les câbles pour l'alimentation électrique et/ou la transmission de signaux.
  4. Système de bande lumineuse selon la revendication 2 ou 3,
    caractérisé en ce que
    les corps profilés (10) sont constitués chacun de deux pièces profilées (10a, 10b) en forme de C, qui sont disposées dos à dos.
  5. Système de bande lumineuse selon l'une des revendications précédentes,
    caractérisé en ce que
    dans la cloison (11) sont réalisées des ouvertures, dans chacune desquelles est disposée une douille de contact (20) pour le contact des câbles par les appareils d'actionnement (22).
  6. Système de bande lumineuse selon l'une des revendications précédentes,
    caractérisé en ce que
    les parois latérales (25) comprennent des prolongements (28) en porte-à-faux, qui forment des moyens pour le contrôle de l'émission de lumière des unités de luminaires.
  7. Système de bande lumineuse selon la revendication 6,
    caractérisé en ce que
    les prolongements (28) en porte-à-faux forment des réflecteurs.
  8. Système de bande lumineuse selon l'une des revendications précédentes,
    caractérisé en ce que
    les éléments du dispositif de support (5) et les unités de luminaires forment chacun une unité.
  9. Système de bande lumineuse selon l'une des revendications précédentes,
    caractérisé en ce que
    les sources de lumière ou les montures (30) de support des sources de lumière (31) sont disposées directement sur le dispositif de support (5).
EP14701378.3A 2013-01-25 2014-01-24 Luminaire a forme allongee Active EP2948710B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013201203.9A DE102013201203A1 (de) 2013-01-25 2013-01-25 Lichtbandsystem
PCT/EP2014/051417 WO2014114757A1 (fr) 2013-01-25 2014-01-24 Système de bandeau lumineux

Publications (2)

Publication Number Publication Date
EP2948710A1 EP2948710A1 (fr) 2015-12-02
EP2948710B1 true EP2948710B1 (fr) 2018-04-18

Family

ID=50002739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14701378.3A Active EP2948710B1 (fr) 2013-01-25 2014-01-24 Luminaire a forme allongee

Country Status (5)

Country Link
US (1) US10234085B2 (fr)
EP (1) EP2948710B1 (fr)
CN (1) CN104937327B (fr)
DE (1) DE102013201203A1 (fr)
WO (1) WO2014114757A1 (fr)

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CN104937327A (zh) 2015-09-23
US20150354795A1 (en) 2015-12-10
CN104937327B (zh) 2018-05-08
EP2948710A1 (fr) 2015-12-02
WO2014114757A1 (fr) 2014-07-31
DE102013201203A1 (de) 2014-07-31
US10234085B2 (en) 2019-03-19

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