EP2411732B1 - Lampe à del - Google Patents

Lampe à del Download PDF

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Publication number
EP2411732B1
EP2411732B1 EP10712039.6A EP10712039A EP2411732B1 EP 2411732 B1 EP2411732 B1 EP 2411732B1 EP 10712039 A EP10712039 A EP 10712039A EP 2411732 B1 EP2411732 B1 EP 2411732B1
Authority
EP
European Patent Office
Prior art keywords
led
led module
module
connection
light head
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.)
Not-in-force
Application number
EP10712039.6A
Other languages
German (de)
English (en)
Other versions
EP2411732A1 (fr
Inventor
Christoph Platzer
Jürgen Kreuzbichler
Thomas Riedler
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.)
Tridonic Jennersdorf GmbH
Tridonic GmbH and Co KG
Original Assignee
Tridonic Jennersdorf GmbH
Tridonic GmbH and Co KG
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 Tridonic Jennersdorf GmbH, Tridonic GmbH and Co KG filed Critical Tridonic Jennersdorf GmbH
Publication of EP2411732A1 publication Critical patent/EP2411732A1/fr
Application granted granted Critical
Publication of EP2411732B1 publication Critical patent/EP2411732B1/fr
Not-in-force 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
    • F21V19/0065—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base at least one conductive element acting as a support means, e.g. spring-mounted contact plate in a bayonet base
    • 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
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • 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
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/46—Two-pole devices for bayonet type base

Definitions

  • the invention relates to an LED lamp (LED: light-emitting diode), which has an LED module with at least one LED as the light source and a light head with a heat sink, wherein the LED module for dissipating heat generated by the LED can, is thermally connected to the heat sink.
  • LED light-emitting diode
  • LED lights are known from the prior art. In the desire to change the optical properties of the LED light, so if, for example, a different colored emission light is desired, usually the entire LED light is replaced.
  • an LED lamp with a housing is known in which an LED board with a bayonet lock, which also produces electrically conductive connections between the housing and the board, is detachably held in the housing.
  • an LED lamp in which a light head, on which the LEDs are arranged, can be connected via a plug connection with a heat sink, which is on the other hand connected to a voltage source.
  • the invention is based on the object of specifying an LED lamp with improved possibilities for influencing the emission behavior of the luminaire.
  • an LED light which has an LED module with at least one LED as a light source and a light head with a heat sink, wherein the LED module for dissipating heat that can be generated by the LED, thermally with the Heat sink is connected.
  • the LED lamp has means for producing a detachable electrical, at least two-pole connection between the LED module and the light head and for establishing a releasable mechanical connection between the LED module and the light head.
  • the means are designed to establish or release the connection either by two successive translational movements of different directions or by a translational movement and a rotational movement or merely by a rotational movement.
  • the LED lamp has means for producing a detachable electrical, at least three-pole connection between the LED module and the light head.
  • different, serving as a light source and different colored light emitting LEDs can be controlled.
  • back channels for example, for temperature sensors, etc., are thereby made possible.
  • the means for producing an at least nine-pole connection between the LED module and the light head are advantageously formed. This allows particularly diverse control options. For example, eleven poles may be provided.
  • the means are also designed to produce a releasable mechanical connection between the LED module and the light head.
  • the lighthead, and optionally other components of the LED light can remain in the installed state at the installation of the LED light.
  • a change of the LED module by another LED module, for example, has other optical properties, this is possible in a simple manner.
  • the LED lamp can be particularly easily maintained, because by releasing the LED module from the light head accessibility to the LED module, as well as to those areas of the LED module and light head, which are provided for mutual contact.
  • the LED module comprises at least two, preferably at least three LEDs, each of which can generate light of a different color.
  • the means comprise plug contacts and the plug contacts contact pins, wherein in each case a contact pin for the realization of an electrical pole of the connection, wherein the means also comprise further elements for mechanical connection between the LED module and the light head.
  • the means are designed such that the connection can be made and released without tools. In this way, handling is particularly easy.
  • a particularly good heat transfer is possible when the LED module has a module surface and the heat sink a heat sink surface, in such a way that in the connected state, the module surface the heat sink surface area contacted.
  • the LED lamp further comprises a lamp operating device, wherein the lamp operating device is preferably connected via a support arm to the light head and / or to the LED module.
  • the LED light is particularly advantageous if it is an LED spotlight or an LED downlight.
  • Fig. 1 is a schematic view of an embodiment of an LED lamp 1 according to the invention shown.
  • the LED light 1 has an LED module 2 with at least one LED as the light source and a light head 4 with a heat sink 3.
  • Clearly visible in Fig. 1 Cooling ribs of the heat sink 3. To dissipate heat that can be generated by the at least one LED, the LED is thermally connected to the heat sink 3.
  • the LED module 2 may in particular comprise at least two, preferably at least three LEDs, each of which can generate light of a different color.
  • the LED light can produce light in a particularly large number of different colors.
  • the LED lamp 1 further comprises means for producing a detachable electrical, at least two-pole, preferably at least three-pole connection between the LED module 2 and the light head 4.
  • a detachable electrical, at least two-pole, preferably at least three-pole connection between the LED module 2 and the light head 4.
  • an at least nine-pole electrical connection between the LED module and the light head may be provided.
  • an eleven-pole connection can be provided in the exemplary embodiment.
  • Fig. 2 a view is shown on the light head 4 and the LED module 2 connected thereto.
  • the cooling fins can - as in Fig. 2 the case - be arranged radially oriented.
  • Fig. 3a is the in Fig. 2 shown light head 4 shown separately, in a perspective view of that side which is provided for connection to the LED module 2.
  • Fig. 3b a corresponding view is shown on this interface.
  • Fig. 4 this in Fig. 2 shown LED module 2 shown separately, in a perspective view of that side, which is provided for connection to the light head 4.
  • Fig. 5 shows the LED module 2 from another side, so that the bulbs are visible.
  • the means for producing the detachable electrical connection between the LED module 2 and the light head 4 may have plug contacts; these can - in Fig. 4 shown - contact pins 40 which are arranged on one of the two components LED module 2 or light head 4.
  • the contact pins 40 are arranged on the LED module 2.
  • eleven pins 40 are provided. In each case, a contact pin 40 serves to realize an electrical pole of the connection.
  • the plug contacts can continue on the corresponding other component, in the example shown so on the light head 4, for each contact pin 40 a counter element, for example in the form of a contact spring 42 include.
  • the means for producing the detachable electrical connection between the LED module 2 and the light head 4 may alternatively or additionally also have sliding contacts and / or spring contacts and / or cutting contacts.
  • the means are also designed to produce a detachable mechanical connection between the LED module 2 and the light head 4.
  • a detachable mechanical connection between the LED module 2 and the light head 4.
  • T-shaped elements 50 and on the other component, in this case the light head 4 corresponding recesses 52, such that by interaction of the T-shaped Elements 50 and the recesses 52 by means of a Translational movement and a subsequent rotational movement between the two components 2, 4 make the mechanical connection.
  • the means for producing the electrical and mechanical connection are in this case designed to produce or release the connection only by means of a translation movement and a rotational movement.
  • the contact pins 40 are arranged for this purpose on a first circular path, wherein the center of the first circular path is located on the axis of rotation of the rotational movement.
  • the T-shaped elements 50 are arranged on a second circular path whose center coincides with the center of the first circular path.
  • the radius of the first circular path is greater than the radius of the second circular path. In principle, however, the radius of the first circular path may be smaller than the radius of the second circular path.
  • a particularly simple handling in the operation of the LED light is possible if the means are designed such that the connection can be made without the aid of a tool and released again.
  • the embodiment shown above is suitable for this purpose.
  • FIGS. 6 and 7 Sketches for a first variant of the connection between the LED module 2 and the light head 4 are shown. It shows Fig. 6 a perspective sketch of the relevant parts and Fig. 7 a corresponding cross-section.
  • the means are designed to establish or release the connection by two successive translational movements of different directions. These directions are in Fig. 6 indicated by the arrows "1" and "2". The directions may in particular be perpendicular to each other.
  • corresponding contact springs 42 ' may be provided.
  • the contact pins 40 ' are here arranged along a line which is perpendicular to that translational movement, which represents the second translational movement when the connection is made. Therefore, one can speak here of a "linear locking with frontal contacting".
  • a slotted guide can be provided, as in Fig. 7 indicated. Furthermore, this can be done on one of the two mentioned components 2, 4 - as in Fig. 6 indicated - L-shaped holding elements 50 'and on the other component 4, 2 corresponding recesses 52' may be provided, in which the holding elements 50 'can engage.
  • the L-legs of the L-shaped holding elements 50 ' are in turn aligned along the two directions of translational movements.
  • FIG. 8 Another variant of the compound is in Fig. 8 outlined.
  • a hook-in element 60 and a latching element 62 can be provided on one of the two components 2, 4 and corresponding counter-elements on the other component 4, 2.
  • the suspension element 60 serves in particular to secure the axis of rotation.
  • FIGS. 9 and 10 sketches are shown to a third variant for the connection.
  • the contact pins 40 formed rectilinear and formed as counter-elements contact springs 42" provided.
  • two translational movements are provided; these are in Fig. 9 indicated by the two arrows "1" and "2".
  • a sliding guide can be provided for mechanical connection.
  • the contact pins 40 are here arranged along a line which runs parallel to that translational movement which represents the second translational movement when the connection is made. Therefore, it can be said here of a" linear locking with lateral contacting ".
  • FIGS. 11 to 13 sketches are shown to a fourth variant for the connection.
  • the counter elements are in particular in Fig. 13 to recognize that a cross-sectional sketch along in Fig. 11 marked line shows.
  • two translational movements are provided; these are in Fig. 11 indicated by the two arrows "1" and "2".
  • Fig. 12 indicated can for mechanical connection in turn be provided a slotted guide.
  • a slotted guide can be spoken of a "linear locking with front-side contacting".
  • the LED module 2 a in Fig. 4 have designated module surface 6 and the light head 4 or preferably directly the heat sink 3 in a Fig. 3b Have designated heat sink surface 7, such that in the connected state, the module surface 6, the heat sink surface 7 contacted surface.
  • the T-shaped elements 50 may be disposed directly on the module surface 6 and the corresponding recesses 52 on the heat sink surface 7. This is particularly advantageous in terms of heat dissipation from the LED, as a result, a particularly intensive areal contact between the both surfaces mentioned and thus produce a particularly good heat transfer.
  • the LED module 2 may have in its interior a circuit board on which the at least one LED is arranged or a plurality of LEDs are arranged.
  • the board is advantageously connected to the outer surface 14 with good thermal conductivity.
  • a thermal compound can be used for this purpose.
  • copper pins may be provided to transfer heat from the LED to the outer surface 14. Copper pins can also or alternatively be provided to conduct heat from the LED to the module surface 6 in order to improve the heat flow to the heat sink 3 in this way.
  • the illustrated LED lamp 1 may be formed as an LED spotlight.
  • the LED light 1, as in Fig. 1 indicated having a support arm 20 which is connected on the one hand to the light head 4 and on the other hand with a (not shown) lamp operating device, which may be arranged for example in the region of a light rail, which is provided for holding the LED lamp 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (8)

  1. Lampe à DEL, présentant
    - un module à DEL (2) comprenant au moins une DEL en tant que moyen d'éclairage et
    - une tête lumineuse (4) comprenant un dissipateur de chaleur (3),
    sachant que le module à DEL (2), pour dissiper de la chaleur, qui peut être produite par la DEL, est relié thermiquement au corps de refroidissement (3),
    - des moyens (40, 40', 40", 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) servant à établir une liaison électrique amovible, à deux pôles au moins, entre le module à DEL (2) et la tête lumineuse (4) et servant à établir une liaison mécanique amovible entre le module à DEL (2) et la tête lumineuse (4),
    sachant que les moyens (40, 40', 40", 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) sont réalisés pour établir ou défaire aussi bien la liaison électrique que la liaison mécanique soit par des mouvements de translation consécutifs dans diverses directions soit par un mouvement de translation et un mouvement de rotation ou seulement par un mouvement de rotation,
    caractérisée en ce
    que les moyens (40, 40', 40", 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) comprennent :
    a) des contacts enfichables, qui comprennent des tiges de contact (40, 40', 40", 40"'), sachant que respectivement une tige de contact (40, 40', 40", 40"') sert à la réalisation d'un pôle électrique de la liaison, ainsi
    b) d'autres éléments (50, 50', 52, 52', 60, 62), qui sont réalisés afin d'établir la liaison mécanique amovible entre le module à DEL (2) et la tête lumineuse (4).
  2. Lampe à DEL selon la revendication 1,
    dans le cadre de laquelle les moyens (40, 40', 40", 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) sont réalisés afin d'établir une liaison à neuf pôles au moins entre le module à DEL (2) et la tête lumineuse (4).
  3. Lampe à DEL selon l'une quelconque des revendications précédentes,
    dans le cadre de laquelle le module à DEL (2) comprend au moins deux DEL, de préférence au moins trois DEL, lesquelles peuvent produire respectivement de la lumière d'une couleur autre.
  4. Lampe à DEL selon l'une quelconque des revendications précédentes,
    dans le cadre de laquelle les moyens (40, 40', 40", 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) sont réalisés de telle manière que la liaison peut être établie et défaite sans outil.
  5. Lampe à DEL selon l'une quelconque des revendications précédentes,
    dans le cadre de laquelle le module à DEL (2) présente une surface de module (6) et le dissipateur de chaleur (3) présente une surface du dissipateur de chaleur (7) de telle manière que la surface de module (6) établit un contact à plat avec la surface de dissipateur de chaleur (7) à l'état relié.
  6. Lampe à DEL selon l'une quelconque des revendications précédentes,
    présentant en outre un appareillage servant à faire fonctionner une ampoule, sachant que l'appareillage servant à faire fonctionner une ampoule est relié, de préférence par l'intermédiaire d'un bras porteur (20), à la tête lumineuse et/ou au module à DEL (2).
  7. Lampe à DEL selon l'une quelconque des revendications précédentes,
    sachant que la lampe à DEL est un projecteur à DEL.
  8. Lampe à DEL selon l'une quelconque des revendications précédentes 1 à 6,
    sachant que la lampe à DEL est un plafonnier à DEL.
EP10712039.6A 2009-03-23 2010-03-23 Lampe à del Not-in-force EP2411732B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009014485A DE102009014485A1 (de) 2009-03-23 2009-03-23 LED-Leuchte
PCT/EP2010/053749 WO2010108906A1 (fr) 2009-03-23 2010-03-23 Lampe à del

Publications (2)

Publication Number Publication Date
EP2411732A1 EP2411732A1 (fr) 2012-02-01
EP2411732B1 true EP2411732B1 (fr) 2015-01-14

Family

ID=42144871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10712039.6A Not-in-force EP2411732B1 (fr) 2009-03-23 2010-03-23 Lampe à del

Country Status (3)

Country Link
EP (1) EP2411732B1 (fr)
DE (1) DE102009014485A1 (fr)
WO (1) WO2010108906A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102010039120A1 (de) * 2010-08-10 2012-02-16 Osram Ag Leiterplatte mit mindestens einer Halbleiterlichtquelle, Auflage für die Leiterplatte, System aus der Leiterplatte und der Auflage sowie Verfahren zum Befestigen der Leiterplatte an der Auflage
WO2012052870A1 (fr) * 2010-10-19 2012-04-26 Koninklijke Philips Electronics N.V. Module de diodes électroluminescentes remplaçable compact
EP2466198B1 (fr) * 2010-12-17 2015-08-26 Vossloh-Schwabe Italia SPA Support de source lumineuse à dissipation de chaleur
JP5834219B2 (ja) * 2011-03-04 2015-12-16 パナソニックＩｐマネジメント株式会社 照明装置
EP2503221A3 (fr) * 2011-03-23 2013-03-06 Toshiba Lighting & Technology Corporation Module électroluminescent, unité de module électroluminescent et luminaire
ITMI20120886A1 (it) * 2012-05-22 2013-11-23 Marco Gaeta Portalampada led

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WO2010051985A2 (fr) * 2008-11-05 2010-05-14 Zumtobel Lighting Gmbh & Co.Kg. Lampe à led

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US6715900B2 (en) * 2002-05-17 2004-04-06 A L Lightech, Inc. Light source arrangement
DE102004062990A1 (de) * 2004-12-22 2006-07-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Beleuchtungseinrichtung mit mindestens einer Leuchtdiode und Fahrzeugscheinwerfer
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Publication number Priority date Publication date Assignee Title
WO2010051985A2 (fr) * 2008-11-05 2010-05-14 Zumtobel Lighting Gmbh & Co.Kg. Lampe à led

Also Published As

Publication number Publication date
WO2010108906A1 (fr) 2010-09-30
EP2411732A1 (fr) 2012-02-01
DE102009014485A1 (de) 2010-09-30

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