EP2824381B1 - Éclairage doté d'un élément supplémentaire en forme d'élément d'éclairage de secours et/ou d'un élément d'émission et de réception destiné à émettre et/ou à recevoir le rayonnement électromagnétique - Google Patents

Éclairage doté d'un élément supplémentaire en forme d'élément d'éclairage de secours et/ou d'un élément d'émission et de réception destiné à émettre et/ou à recevoir le rayonnement électromagnétique Download PDF

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Publication number
EP2824381B1
EP2824381B1 EP14175400.2A EP14175400A EP2824381B1 EP 2824381 B1 EP2824381 B1 EP 2824381B1 EP 14175400 A EP14175400 A EP 14175400A EP 2824381 B1 EP2824381 B1 EP 2824381B1
Authority
EP
European Patent Office
Prior art keywords
light
fixture according
light fixture
emergency light
additional
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
EP14175400.2A
Other languages
German (de)
English (en)
Other versions
EP2824381A1 (fr
Inventor
Helmut Feurle
Marcel KILGA
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 EP2824381A1 publication Critical patent/EP2824381A1/fr
Application granted granted Critical
Publication of EP2824381B1 publication Critical patent/EP2824381B1/fr
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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
    • 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
    • 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
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/022—Emergency 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21Y2113/00—Combination of light sources

Definitions

  • the invention relates to a luminaire with an additional element in the form of an emergency light element and / or a transmitting or receiving element for transmitting and / or receiving electromagnetic radiation.
  • document DE 20 2010005176 U shows such a light.
  • a lamp in the form of a recessed ceiling luminaire with an emergency light element is sold by the applicant under the name "Mild Light V" .
  • Fig. 6 is a perspective view of obliquely down on this light sketched.
  • the luminaire has a frame element 400, as well as a translucent cover element 200, which is divided into three areas. In the middle region, the emergency light element 500 is recognized.
  • the luminaire Towards the top, that is to say in the area intended for installation, the luminaire has a downwardly open luminaire trough (not shown in the figure) which extends substantially all the way to the frame element 400 and in which the essential components of the lamp, so for example a light source are arranged.
  • the emergency light element 500 is small compared to the frame element 400, so that one can speak of an "emergency light eye".
  • the emergency light eye is provided in the event that the power supply, with which the lamp is operated regularly, is interrupted.
  • the emergency light eye ensures a certain level of basic lighting or emergency lighting.
  • a separate power source for example in the form of a rechargeable battery, is provided for the power supply of the emergency light eye.
  • the light source of the emergency light eye is an LED light source.
  • the emergency light eye is arranged in the region of the cover element 200, such that the light generated by the LED light source is emitted through the cover element 200 downwards so as to ensure the emergency lighting.
  • the cover member 200 is formed by a plurality of plate-like members which are stacked on each other.
  • the lowest element is a crystal clear cover.
  • the overlying elements have in the region of the emergency light eye in each case a recess which is dimensioned slightly larger than the corresponding circumference of the emergency light eye.
  • the emergency light eye is arranged such that it partially engages from above into these recesses and extends downwardly at least substantially up to the crystal-clear cover. The light from the LED light source of the emergency light eye thus only penetrates the crystal-clear cover before it leaves the light at the bottom.
  • the emergency light eye is fastened by means of a sheet metal bracket to the lamp pan or on the frame element.
  • the plate-like elements forming the cover member 200 are made of plastic. Therefore, they expand when heated accordingly.
  • the frame element 400 or the luminaire trough on the other hand, consists of a material, usually of a metal, which differs in its thermal expansion properties from those of the cover element 200. For this reason, the recesses are dimensioned so generously with respect to the circumference of the emergency light eye that the plate-like elements do not collide with the emergency light eye 500 when heated appropriately.
  • Fig. 5 is an area around the emergency light eye 500 around when viewed from below. As can be seen in this sketch, a comparatively large gap S is formed between the emergency light eye 500 and the plate-like elements, in order to avoid the aforementioned danger of collision.
  • the sheet metal bracket B which extends above the cover 200 and with which the emergency light eye 500 is attached to the frame member 400.
  • the gap S affects the appearance of the luminaire.
  • the emergency light eye 500 not - as in Fig. 5 sketched - is arranged centrally within the recesses and consequently the gap S appears uneven. As a result, the appearance of the lamp is still impaired.
  • the invention has for its object to provide a corresponding improved luminaire.
  • the lamp should allow an improved appearance.
  • luminaire which has a light source for generating a light, as well as a translucent cover member for the passage of the light, wherein the cover member has a lying in a plane light emitting surface.
  • the lamp has a frame element, wherein the cover is arranged held by the frame member, and an additional element in the form of an emergency light element and / or a transmitting or receiving element for transmitting and / or receiving electromagnetic radiation, wherein the additional element by means of a holder is arranged held the frame member.
  • the cover member has on a, the light emitting surface opposite side of a receptacle for the additional element, in which the additional element is arranged at least partially engaging, wherein the receptacle is formed by a recess or at least one stop element.
  • the holder is designed such that the additional element is arranged parallel to the plane floating against the frame member.
  • the floating support of the additional element makes it possible to dimension the receptacle so that it extends particularly close to the additional element.
  • a gap between the lateral boundary of the receptacle and the Additional element, as described at the beginning in the prior art, can be made so small that it does not cause a practical impairment of the external appearance of the lamp.
  • the gap can be made so small that the additional element always appears centric within the recording when viewing the light emitting surface. This also improves the appearance of the luminaire.
  • the holder is further configured such that the additional element is not floating in a direction normal to the plane. In this way it can be achieved that the additional element does not fall out of the receptacle even when tilted or "turned upside down".
  • the transmitting or receiving element comprises a sensor, for example a motion sensor or a light sensor.
  • a sensor for example a motion sensor or a light sensor.
  • the described arrangement is particularly well, because such a transmitting or receiving element can be designed with a, a Notlichtauge or emergency light element comparable size and shape.
  • the holder is firmly connected to the frame member.
  • the holder has a hole and a, the hole with a clearance passing through holding element, for example in the form of a screw, so that in this way the additional element is floating.
  • the hole may advantageously be a slot.
  • the cover member has at least two plate-like elements, which are arranged parallel to each other and in particular parallel to the plane.
  • the light emission surface is advantageously formed by a first of the at least two plate-like elements and a second of the at least two plate-like elements at least partially forms the receptacle.
  • the cover consists of plastic.
  • the additional element with respect to the cover and the plane is arranged eccentrically. This is advantageous with respect to the external appearance of the luminaire.
  • a lamination of the additional element which is arranged on the light emitting surface around a portion of, projected onto the light emitting surface around recording.
  • the lamination preferably comprises a plate, in particular a plate made of aluminum or plastic.
  • lining is designed to extend up to the frame member.
  • Fig. 1 shows a perspective sectional sketch of an area around an additional element - here in the form of an emergency light element 5 - a luminaire according to the invention.
  • the luminaire has a light source (not shown in the figures) for generating a light.
  • the light source may be, for example, fluorescent tubes or an LED light source. This light source is used to generate a regular lighting. In particular, this light source can be designed as known from the prior art described above.
  • the luminaire has a translucent covering element 2 for the passage of the light, the covering element 2 having a light emission surface 3 lying in a plane E.
  • the luminaire is designed in such a way that this plane E or the light emission surface 3 is horizontally oriented when the luminaire is aligned with respect to the vertical as intended for operation.
  • the luminaire is preferably a ceiling light, that is, for example, a recessed ceiling or recessed ceiling luminaire. In the present description is based on such an orientation of the lamp. However, this is not restrictive, the light emitting surface 3 could for example also be provided inclined to operate with respect to the horizontal.
  • the lamp has an existing example of a metal such as aluminum frame member 4, wherein the cover 2 is arranged held by the frame member 4.
  • the frame member 4 may for example be designed like a profile and have a lower, horizontal support leg 41, on which the cover 2 is arranged resting and for example held in this way.
  • the lamp is preferably designed such that the cover member 2 does not abut against the frame member 4 in a temperature change-related expansion, as may occur in particular during operation of the lamp.
  • the light has the already mentioned additional element, here in the form of the emergency light element 5.
  • the additional element may instead of or in addition to the emergency light element, a transmitting and / or receiving element for transmitting and / or Have received electromagnetic radiation, for example in the form of a movement or presence sensor or light sensor.
  • a transmitting and / or receiving element for transmitting and / or Have received electromagnetic radiation, for example in the form of a movement or presence sensor or light sensor.
  • the emergency light element 5 is held by means of a holder 6 relative to the frame member 4.
  • the cover member 2 has on a, the light emitting surface 3 opposite side of a receptacle 7 for the emergency light element 5, in which the emergency light element 5 is arranged at least partially engaging.
  • the receptacle 7 is formed in the example shown here by a recess 7, but it may alternatively be formed for example by at least one (not shown in the figures) lateral stop element, which limits the range of motion of the emergency light element 5 parallel to the plane E.
  • a stop element may for example be formed as part of the cover 2, the pen or rib-shaped extending from an upper surface of the cover 2 upwards.
  • the holder 6 is designed such that the emergency light element 5 is arranged to float parallel to the plane E with respect to the frame element 4. This is particularly advantageous in the event that the position of the recess 7 changes relative to the frame element 4 due to a temperature change-related expansion of the cover 2. Due to the floating mounting of the emergency light element 5, it is possible in this case for the emergency light element 5 to change its position relative to the frame element 4 analogously to the change in position of the recess 7 relative to the frame element 4, that is to say to move with the recess 7. Therefore, the parallel to the plane E existing, in short the "lateral" clearance between the emergency light element 5 and the corresponding boundaries of the recess 7 may be particularly small.
  • the emergency light element 5 as a light source on an LED light source 51.
  • the emergency light element 5 further comprises an optical element 53 for influencing a light generated by the LED light source 51.
  • the lateral boundary of the emergency light element 5 is formed by a surrounding element 52 of the emergency light element 5.
  • the enclosing element 52 may, for example, have a circular cross-section parallel to the plane E, wherein the recess 7 likewise has a circular cross-section which is dimensioned correspondingly, so that thereby the mentioned gap minimization is achieved.
  • other peripheral shapes of the emergency light element 5 and the recess 7 may be provided, for example rectangular.
  • the holder 6 is designed such that the emergency light element 5 is not arranged to float in a direction normal to the plane E. In this way, it is possible to prevent the emergency light element 5 from falling out of the recess 7 during a tilting of the luminaire, for example during a transport of the luminaire.
  • the holder 6 is fixedly connected to the frame member 4.
  • the holder 6 can also be connected to another component of the luminaire, for example a luminaire tub.
  • a corresponding connection of the holder 6 with the cover 2 is possible.
  • the holder 6 has a first part 61 which is fixedly connected to the frame member 4, and a second part 62 which is fixedly connected to the emergency light element 5, wherein the floating bearing between these two parts 61, 62 is formed.
  • the first part 61 of the holder 6 has a hole 8 and the second part 62 a, the hole 8 with a clearance passing through holding element 9, for example in the form of a screw; by correspondingly larger dimensioning of the hole 8 in comparison to the lateral circumference of the retaining element 9 at the level of the hole 8, the floating mounting of the emergency light element 5 can be achieved particularly suitable.
  • the hole 8 may be formed on the second part 62 of the holder 6, and the holding element 9 on the first part of the holder 6.
  • Fig. 2 an exploded view of the emergency light element 5 and the holder 6 is sketched according to a variant, wherein the reference numerals are used analogously.
  • the hole 8 is formed on the first part 61 of the holder 8 and the holding element 9 or the screw on the second part 62.
  • Fig. 3 shows the in Fig. 2 shown arrangement in accordance assembled state.
  • the hole 9 is advantageously a slot.
  • the slot is preferably designed so that its main axis extends parallel to the direction of the expected temperature-induced movement of the recess 7.
  • the hole 8 can advantageously be formed by a plate-shaped region of the holder 6 aligned at least substantially horizontally or parallel to the plane E, in particular in a corresponding leg of the holder 6; This makes it possible to achieve particularly suitable that the emergency light element 5 is arranged not floating in a direction normal to the plane E.
  • the cover element 2 has at least two plate-like elements 21, 22 which are arranged parallel to one another and in particular at least to a first approximation parallel to the plane E.
  • the light emission surface 3 is formed by a first plate-like element 21 of these at least two plate-like elements 21, 22.
  • a second plate-like element 22 of these at least two plate-like elements 21, 22 at least partially forms the recess 7, in particular through a passage opening.
  • the first plate-like member 21 is preferably a crystal clear element; the light-emitting surface 3 is preferably flat.
  • the second plate-like element 22 may, for example, be a prismatic disk or a diffuser or the like.
  • a total of three or even more corresponding plate-like elements may be provided to form the cover 2, wherein an upper part of these elements the recess 7 forms, in particular by correspondingly corresponding passage openings.
  • the emergency light eye 5 is preferably arranged from above into the recess 7.
  • the cover 2 is made of plastic, or consist of at least two plate-like elements 21, 22 made of plastic.
  • the emergency light element 5 can be advantageous with respect to the external appearance of the lamp - as known from the prior art and example meadow in Fig. 6 shown - be arranged off-center with respect to the cover 2 and the plane E.
  • the luminaire may also have a lamination 10 of the additional element 5, which is arranged on the light-emitting surface 3 around a region of the recess 7 or receptacle projected onto the light-emitting surface 3.
  • the lamination 10 comprises a plate, in particular a plate made of aluminum or plastic.
  • the lamination is designed such that it extends as far as the frame element 4.
  • the lamination 10 also allows a minimal clearance between the emergency light element 5 and the lateral boundary of the recess 7 to be covered.
  • the lamination 10 may be firmly connected to the light emitting surface 3, so that they also takes place in accordance with temperature fluctuation changes in position of the emergency light element 5 and the recess 7 accordingly.

Landscapes

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

Claims (13)

  1. Lampe comprenant :
    - une source de lumière pour la production d'une lumière,
    - un élément de recouvrement transparent (2) pour le passage de la lumière, l'élément de recouvrement (2) comprenant une surface d'émission de lumière (3) se trouvant dans un plan (E),
    - un élément de cadre (4), l'élément de recouvrement (2) étant maintenu par l'élément de cadre (4),
    - un élément supplémentaire (5) sous la forme d'un élément d'éclairage d'urgence et/ou d'un élément émetteur ou récepteur pour l'émission et/ou la réception d'un rayonnement électromagnétique, l'élément supplémentaire (5) étant maintenu au moyen d'un support (6) par rapport à l'élément de cadre (4),
    et l'élément de recouvrement (2) comprenant, sur un côté opposé à la surface d'émission de lumière (3), un logement (7) pour l'élément supplémentaire (5), dans lequel l'élément supplémentaire (5) s'emboîte au moins partiellement, le logement (7) étant constitué d'un évidement ou d'au moins un élément de butée,
    caractérisée en ce que
    le support (6) est conçu de façon à ce que l'élément supplémentaire (5) soit logé parallèlement au plan (E) de manière flottante par rapport à l'élément de cadre (4).
  2. Lampe selon la revendication 1,
    dans laquelle le support (6) est en outre conçu de façon à ce que l'élément supplémentaire (5) est disposé de manière non flottante dans une direction perpendiculaire par rapport au plan (E).
  3. Lampe selon la revendication 1 ou 2,
    dans laquelle l'élément émetteur ou récepteur comprend un capteur, par exemple un capteur de mouvement ou un capteur de lumière.
  4. Lampe selon l'une des revendications précédentes,
    dans laquelle le support (6) est relié fermement avec l'élément de cadre (4).
  5. Lampe selon l'une des revendications précédentes,
    dans laquelle le support (6) comprend un trou (8) et un élément de maintien (9) traversant le trou (8) avec un jeu, par exemple sous la forme d'une vis, de façon à ce que l'élément supplémentaire (5) soit logé de manière flottante.
  6. Lampe selon la revendication 5,
    dans laquelle le trou (8) est un trou oblong.
  7. Lampe selon l'une des revendications précédentes,
    dans laquelle l'élément de recouvrement (2) comprend au moins deux éléments en forme de plaques (21, 22) qui sont disposés parallèlement entre eux et plus particulièrement parallèlement au plan (E).
  8. Lampe selon la revendication 7,
    dans laquelle la surface d'émission de lumière (3) est constituée d'un premier des au moins deux éléments en forme de plaques (21) et un deuxième des au moins deux éléments en forme de plaques (22) forme au moins partiellement le logement (7).
  9. Lampe selon l'une des revendications précédentes,
    dans laquelle l'élément de recouvrement (2) est constitué de matière plastique.
  10. Lampe selon l'une des revendications précédentes,
    dans laquelle l'élément supplémentaire (5) est disposé de manière excentrée par rapport à l'élément de recouvrement (2) et au plan (E).
  11. Lampe selon l'une des revendications précédentes,
    comprenant en outre
    un laminage (10) de l'élément supplémentaire (5) qui est disposé sur la surface d'émission de lumière (3) autour d'une zone du logement (7) projetée sur la surface d'émission de lumière (3).
  12. Lampe selon la revendication 11,
    dans laquelle le laminage (10) comprend une plaque, plus particulièrement une plaque en aluminium ou en matière plastique.
  13. Lampe selon la revendication 11 ou 12,
    dans laquelle le laminage (10) est conçu de façon à s'étendre jusqu'à l'élément de cadre (4).
EP14175400.2A 2013-07-03 2014-07-02 Éclairage doté d'un élément supplémentaire en forme d'élément d'éclairage de secours et/ou d'un élément d'émission et de réception destiné à émettre et/ou à recevoir le rayonnement électromagnétique Active EP2824381B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201320102915 DE202013102915U1 (de) 2013-07-03 2013-07-03 Leuchte mit einem Zusatzelement in Form eines Notlichtelements und/oder eines Sende- bzw. Empfangselement zum Senden und/oder Empfangen elektromagnetischer Strahlung

Publications (2)

Publication Number Publication Date
EP2824381A1 EP2824381A1 (fr) 2015-01-14
EP2824381B1 true EP2824381B1 (fr) 2016-09-14

Family

ID=51257264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14175400.2A Active EP2824381B1 (fr) 2013-07-03 2014-07-02 Éclairage doté d'un élément supplémentaire en forme d'élément d'éclairage de secours et/ou d'un élément d'émission et de réception destiné à émettre et/ou à recevoir le rayonnement électromagnétique

Country Status (3)

Country Link
EP (1) EP2824381B1 (fr)
AT (1) AT14032U1 (fr)
DE (1) DE202013102915U1 (fr)

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EP3798502B1 (fr) * 2019-09-30 2021-09-08 Thorn Lighting Limited Éclairage de panneau et kit comprenant ledit éclairage de panneau

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EP2130987A2 (fr) * 2008-06-07 2009-12-09 Rainer Reuther Système de fixation pour lampes
DE202010001902U1 (de) * 2010-02-05 2010-07-22 Kölper, Roland Vorrichtung zur Halterung einer Leuchte an der Unterseite einer Deckenverkleidung
EP2450626A2 (fr) * 2010-10-18 2012-05-09 Meitaku Industry Co., Ltd. Ensemblage de source de lumière surfacique

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EP2824381A1 (fr) 2015-01-14
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