EP2933551B1 - Beleuchtungsvorrichtung und ein entsprechendes Verfahren - Google Patents

Beleuchtungsvorrichtung und ein entsprechendes Verfahren Download PDF

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Publication number
EP2933551B1
EP2933551B1 EP15163119.9A EP15163119A EP2933551B1 EP 2933551 B1 EP2933551 B1 EP 2933551B1 EP 15163119 A EP15163119 A EP 15163119A EP 2933551 B1 EP2933551 B1 EP 2933551B1
Authority
EP
European Patent Office
Prior art keywords
profile
lighting device
magnetically attractive
channel
formations
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
EP15163119.9A
Other languages
English (en)
French (fr)
Other versions
EP2933551A1 (de
Inventor
Alberto ZANOTTO
Simone Massaro
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.)
Osram GmbH
Osram SpA
Original Assignee
Osram GmbH
Osram SpA
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 Osram GmbH, Osram SpA filed Critical Osram GmbH
Publication of EP2933551A1 publication Critical patent/EP2933551A1/de
Application granted granted Critical
Publication of EP2933551B1 publication Critical patent/EP2933551B1/de
Active legal-status Critical Current
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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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V17/105—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 using magnets
    • 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 description relates to lighting devices.
  • One or more embodiments may refer to solid-state lighting devices such as, for example, modules using LED light radiation sources.
  • An ever-increasing interest is focusing on lighting devices consisting in modules featuring solid-state light radiation sources, e.g. LEDs, having the ability to change the shape of the module thanks for example to a general flexibility.
  • solid-state light radiation sources e.g. LEDs
  • such a module is adapted to be mounted onto a support element (e.g. a mounting surface) by a bi-adhesive tape.
  • a support element e.g. a mounting surface
  • the bi-adhesive tape may be provided directly on the back of the module.
  • the invention relates to lighting devices which rely on magnetic forces for mounting purposes.
  • Documents such as JP 2009 140669 A , WO 2011/151272 A1 , US 6 371 637 B2 , US 2013/135855 A1 , EP 1 733 653 A2 , US 2012/068621 A1 , US 2010/214747 A1 , US 2010/124067 A1 , US 2009/086478 A1 , US 2012/113657 A1 or DE 20 2004 000 449 U1 are exemplary of such devices.
  • One or more embodiments aim at overcoming the previously outlined drawbacks. According to one or more embodiments, said object is achieved thanks to a device having the features specifically set forth in claim 1 that follows.
  • One or more embodiments may refer to a corresponding method, as called for in claim 5.
  • the claims are an integral part of the technical teaching provided herein with reference to the embodiments.
  • One or more embodiments lead to one or more of the following advantages:
  • Figure 1 generally shows a lighting module including an optionally flexible strip-like substrate 10 (substantially in the form of a Printed Circuit Board, PCB).
  • an optionally flexible strip-like substrate 10 substantially in the form of a Printed Circuit Board, PCB.
  • one or more electrically powered light radiation sources 12 which for example may consist of solid-state lighting sources, e.g. employing LEDs.
  • the module exemplified in Figure 1 belongs to a wide range of lighting sources of a known type.
  • the structural features, the implementations and the applications of such lighting sources are to be considered as known, and therefore they do not require a detailed description herein.
  • One or more embodiments aim at enabling the installation of such a lighting source 10, 12 on a support S including, for example, a flat support the surface of which has properties of magnetic attractability (i.e. the ability to be attracted by a magnetic material).
  • the surface of support S may simply consist of a plate or sheet of metal material.
  • One or more embodiments may employ a different support S, e.g. of a material which in itself does not have magnetic properties but which includes, in the form of dust or inserts, formations of magnetically attractable material.
  • a different support S e.g. of a material which in itself does not have magnetic properties but which includes, in the form of dust or inserts, formations of magnetically attractable material.
  • One or more embodiments aim at enabling the attachment (and the removal) of a lighting source such as source 10, 12 on such a support S.
  • this result may be achieved by associating to lighting source 10, 12 a profile element 14 having a channel-like structure, i.e. a generally U-shaped section, with a bottom or core wall 14a from which side walls 14b extend.
  • substrate 10 with electrically powered light radiation sources 12 mounted thereon may be received in the profile element 14, the sources 12 facing the open side (that is the mouth part) of profile 14.
  • a potting material which is transparent to light radiation, so that the lighting source 10, 12 may be protected from the outside.
  • profile 14, e.g. the bottom or core wall 14a may be associated with formations of magnetic material, i.e. a material which may generate a magnetic attractive force towards a magnetically attractable material (e.g. a support such as previously mentioned support S).
  • magnetic material i.e. a material which may generate a magnetic attractive force towards a magnetically attractable material (e.g. a support such as previously mentioned support S).
  • formations 16 may consist of one or more strips coextensive with profile 14.
  • strip(s) may be produced together with profile 14, for example in a process of (co)extrusion.
  • profile 14 may be implemented in a flexible material, such as a silicone material.
  • the strip(s) 16 may be embedded in profile 14 (optionally at bottom wall 14a, or possibly in one or both side walls 14b) as strips of a magnetic material, such as magnetite or ferrite.
  • such a magnetic material may be embedded in profile 14 as a particulate material (e.g. a ferrite dust) distributed into profile 14 itself.
  • a particulate material e.g. a ferrite dust
  • the lighting device thus obtained (substrate 10, sources 12, profile 14) is adapted to be mounted on substrate S and may be retained thereon thanks to the magnetic attraction force present between formations 16 included in profile 14 and the magnetically attractable material which is comprised in support S.
  • Figure 3 exemplifies one or more embodiments (not in accordance with the claims) wherein the possibility of (removable) mounting on a support S is achieved thanks to a force of magnetic attraction, which in this case is obtained via magnets 18 mounted on substrate 10.
  • magnets 18 may be mounted onto substrate 10 on the same face of the substrate wherein the light radiation sources 12 are arranged.
  • the mounting of magnets 18 may be achieved by resorting to technologies currently employed to mount on substrate 10 the light radiation sources 12 (or possibly the electronic circuitry, not visible in the drawings, which may be associated with such sources).
  • magnets 18 may be mounted on substrate 10 as SMD (Surface Mounted Device) components.
  • One or more embodiments therefore, enable to achieve the effect exemplified in Figure 4 , thanks to the possibility of mounting lighting source 10, 12 in a removable way on a magnetically attractable substrate S.
  • this result may be achieved thanks to the magnetic formations 16 associated to profile 14 (the section whereof is schematically shown with dashed lines in Figure 4 ), thus with a lighting source 10, 12 of a "protected" kind.
  • this result may be achieved via magnets 18 (the profile of which is schematically shown with a dashed line in Figure 4 ), which makes it possible to mount lighting source 10, 12 on substrate S as a "naked" component.

Claims (5)

  1. Beleuchtungsvorrichtung beinhaltend zumindest ein streifenartiges Trägerelement (10, 14), welches elektrisch angetriebene Lichtstrahlungsquellen (12) trägt, wobei das zumindest eine Trägerelement (10, 14) magnetisch anziehende Formationen (16, 18) entlang der Länge des zumindest einen Trägerelements (10, 14) beinhaltet, wobei das Trägerelement (10, 14) ein streifenartiges Substrat (10) beinhaltet, welches die Lichtstrahlungsquellen (12) trägt und ein kanalartiges Profil (14) beinhaltet, welches das streifenartige Substrat (10) mit den Lichtstrahlungsquellen (12) empfängt, die auf eine offene Seite des kanalartigen Profils (14) gerichtet sind, wobei die magnetisch anziehenden Formationen (16) in dem kanalartigen Profil (14) angeordnet sind, wobei an dem Mündungsstück des Profils (14) ein Vergussmaterial angewandt wird, welches lichtstrahlungsdurchlässig ist, wobei das streifenartige Substrat (10), welches die Lichtstrahlungsquellen (12) trägt, von der Außenseite geschützt ist, und wobei:
    - die magnetisch anziehenden Formationen zumindest einen magnetisch anziehenden Streifen (16) beinhalten, welcher sich entlang der Länge des kanalartigen Profils (14) erstreckt, wobei der zumindest eine magnetisch anziehende Streifen (16) in dem kanalartigen Profil (14) eingebettet ist, indem es damit koextrudiert wird,
    oder
    - die magnetisch anziehenden Formationen ein magnetisch anziehendes teilchenförmiges Material beinhalten, welches in dem kanalartigen Profil (14) verteilt ist.
  2. Beleuchtungsvorrichtung nach Anspruch 1, wobei das zumindest eine Trägerelement (10, 14) flexibel ist.
  3. Beleuchtungsvorrichtung nach Anspruch 1, wobei die magnetisch anziehenden Formationen (16) in dem kanalartigen Profil (14) in der unteren Wand (14a) davon angeordnet sind.
  4. Beleuchtungsvorrichtung nach einem der vorhergehenden Ansprüche, wobei die magnetisch anziehenden Formationen (16) Material beinhalten, welches ausgewählt wird aus Magnetiten oder Ferriten.
  5. Verfahren zum Montieren einer Beleuchtungsvorrichtung entsprechend einem der Ansprüche 1 bis 4 auf einer Trägerstruktur (S), das Verfahren beinhaltend:
    - Bereitstellen der Trägerstruktur (S) als eine magnetisch anziehbare Struktur, und
    - Montieren der Beleuchtungsvorrichtung auf der Trägerstruktur (S), wobei die Beleuchtungsvorrichtung auf der Trägerstruktur (S) durch eine magnetisch anziehende Kraft gehalten wird.
EP15163119.9A 2014-04-15 2015-04-10 Beleuchtungsvorrichtung und ein entsprechendes Verfahren Active EP2933551B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO20140316 2014-04-15

Publications (2)

Publication Number Publication Date
EP2933551A1 EP2933551A1 (de) 2015-10-21
EP2933551B1 true EP2933551B1 (de) 2017-06-14

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6354714B1 (en) * 2000-04-04 2002-03-12 Michael Rhodes Embedded led lighting system
DE202004000449U1 (de) * 2004-01-14 2004-04-15 Wallmeier, Konrad, Dipl.-Ing. Leuchte

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6371637B1 (en) * 1999-02-26 2002-04-16 Radiantz, Inc. Compact, flexible, LED array
EP1733653A3 (de) * 2005-06-13 2007-06-20 SARNO S.p.A. Leuchte für Schaukästen und/oder für Ausstellungsbereiche
DE102006031345A1 (de) * 2006-07-06 2008-01-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Formflexibles Beleuchtungssystem
EP2122244B1 (de) * 2007-02-12 2016-05-11 Philips Intellectual Property & Standards GmbH Steuermodul für ein beleuchtungssystem, beleuchtungssystem und lichtmodul für ein beleuchtungssystem
US8184445B2 (en) * 2007-02-12 2012-05-22 Koninklijke Philips Electronics N.V. Modular electric system
US7806569B2 (en) * 2007-09-28 2010-10-05 Osram Sylvania Inc. Lighting system with removable light modules
JP5211661B2 (ja) * 2007-12-05 2013-06-12 日亜化学工業株式会社 照明装置
WO2011151272A1 (en) * 2010-05-30 2011-12-08 Stephan Gunst Light fitting for led strips
US8227813B2 (en) * 2010-09-22 2012-07-24 Bridgelux, Inc. LED light source utilizing magnetic attachment
US8727586B2 (en) * 2010-11-05 2014-05-20 Semiconductor Energy Laboratory Co., Ltd. Lighting device having magnetic member and magnet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6354714B1 (en) * 2000-04-04 2002-03-12 Michael Rhodes Embedded led lighting system
DE202004000449U1 (de) * 2004-01-14 2004-04-15 Wallmeier, Konrad, Dipl.-Ing. Leuchte

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