EP2518389B1 - Élément optique longitudinal et agencement d'émission de lumière avec un élément optique - Google Patents

Élément optique longitudinal et agencement d'émission de lumière avec un élément optique Download PDF

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Publication number
EP2518389B1
EP2518389B1 EP12165632.6A EP12165632A EP2518389B1 EP 2518389 B1 EP2518389 B1 EP 2518389B1 EP 12165632 A EP12165632 A EP 12165632A EP 2518389 B1 EP2518389 B1 EP 2518389B1
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EP
European Patent Office
Prior art keywords
optical element
light
shape
emitting diodes
arrangement
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.)
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Application number
EP12165632.6A
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German (de)
English (en)
Other versions
EP2518389A2 (fr
EP2518389A3 (fr
EP2518389B2 (fr
Inventor
Andreas Schwaighofer
Herbert Wessin
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
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Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Priority to PL12165632T priority Critical patent/PL2518389T3/pl
Publication of EP2518389A2 publication Critical patent/EP2518389A2/fr
Publication of EP2518389A3 publication Critical patent/EP2518389A3/fr
Publication of EP2518389B1 publication Critical patent/EP2518389B1/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
    • 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
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to an elongated optical element for longitudinally successively arranged light emitting diodes and an arrangement for emitting light with LEDs, a first optical element and a second elongate optical element.
  • FIG. 1 shown in cross section.
  • the wet room lamp 1 in this case has as light source an elongated fluorescent lamp 4, which is surrounded by a likewise elongated optical element 2, wherein this optical element 2 is configured approximately semicircular in cross section and the fluorescent lamp 4 is placed within the semicircular configuration.
  • the optical element 2 is further arranged on or in a housing 3, so that the necessary for a moisture proof lightness can be achieved.
  • FIG. 2 gives here the light intensity distribution of in FIG. 1 again shown, the curve shown there corresponds to the values in the so-called C0 / C180 level, ie in the transverse direction of the lamp FIG. 1 , corresponds.
  • light-emitting diodes have a significantly more limited light emission characteristic or light intensity distribution compared to fluorescent lamps, whereby, for example, in the arrangement of light-emitting diodes in the area of the fluorescent lamp 4, ie within the semicircular configuration of the optical element 2 of the lamp 1 in FIG. 1 , no light intensity distribution can be achieved, which is only approximately the in FIG. 2 shown resembles.
  • the present invention has for its object to develop an arrangement for emitting light, can be replaced by LEDs in the fluorescent lamps, but at the same time do not deteriorate the lighting properties significantly.
  • an elongate optical element for light-emitting diodes which have a light-scattering characteristic and are substantially U-shaped in cross-section, the middle leg or middle region interconnecting the two side limbs or lateral regions of the U-shape has a concavity inward and the two side legs or lateral portions of the U-shape are inclined inwardly towards each other, so that the side legs or lateral areas at their ends a smaller distance from each other than in the area in which the Pass side legs or lateral areas into the middle leg or middle area of the U-shape.
  • an elongated optical element for light-emitting diodes which have a light-scattering characteristic and are substantially U-shaped in cross-section, the middle leg or middle region interconnecting the two side limbs or lateral regions
  • the U-shape has a concavity inwards and the two side legs or lateral areas of the U-shape, in particular in the region of their ends, each have a curvature inward in the direction of the respective other side leg or side area.
  • the invention proposes an arrangement for emitting light, comprising the inventive elongated optical element as the first optical element, a second elongated optical element and light-emitting diodes, wherein in the light emission of the light emitting diodes, the first optical element with the opening of the U-shape in the direction of the LEDs is arranged directly in front of the LEDs and is surrounded by the second optical element.
  • the two side limbs or lateral regions of the U-shape can preferably also have a curvature in each case in the direction of the respective other side limb or lateral region, in particular in the region of their ends.
  • the concavity of the central limb or middle region of the U-shape can be pointed inwards so that a substantially V-shaped indentation results whose tip points into the U-shape.
  • the desired luminous intensity distribution of the arrangement according to the invention for emitting light results overall, however, then preferably from the interaction of the first and second optical elements, wherein in particular a light intensity distribution in the form of a Batwing is achieved.
  • the second optical element of the arrangement according to the invention for light emission has a light-refracting characteristic, wherein the refractive characteristic can result from elongated prismatic structures.
  • the second optical element is configured substantially semicircular in cross section, wherein the light emitting diodes can be arranged together with the first optical element within the semicircular configuration of the second optical element.
  • the arrangement according to the invention for emitting light has an elongate carrier element, on which the ends of the side legs or lateral areas of the first optical element can each be latched and on which an elongated circuit board can be held, on which the light emitting diodes are arranged ,
  • the board can be held by at least one pressing element on the elongated support element.
  • the carrier element and / or the first optical element can be rotatable in the longitudinal axis of the arrangement.
  • FIG. 1 As already explained, a moisture-proof luminaire 1 is shown, which corresponds to the in FIG. 2 shown light intensity distribution in the so-called C0 / C180 level and thus in the transverse direction of the lamp has.
  • FIG. 3 shows a non-inventive elongated optical element 5, which has a substantially U-shaped configuration in cross section with two side legs 6 and a middle leg 8, wherein, as shown in FIG. 3 shows that the two side legs 6 of the U-shaped optical element 5 are slightly inclined inwardly towards each other, such that the side legs 6 at their ends 7 have a smaller distance from each other than in the region in which the side legs 6 in the middle leg 8 of the U- shape pass.
  • the two side legs 6 interconnecting center leg 8 is curved inward or has a curvature inwards, resulting in the transitions of the side legs 6 in the middle leg 8 each side wings.
  • the shape of the optical element 5 according to the invention in cross section thus resembles in a broader sense the later desired light intensity distribution in the form of a batwing, wherein the shape of the optical element 5 is not identical to the shape of the distribution.
  • optical element may consist of a diffusely scattering material with, for example, a wall thickness of 0.3 mm, which results in a light-scattering characteristic of the optical element.
  • FIG. 4 shows the light intensity distribution of in FIG. 3 shown optical element 5 in the so-called C0 / C180 plane, ie in the transverse direction of the element, when at the opening of the U-shape of the optical element 5 LEDs are arranged. From this it can be seen that the very limited light emission characteristic or light intensity distribution of light-emitting diodes is significantly widened or widened by the optical element 5, which leads to the fact that the optical element 5 according to the invention together with light-emitting diodes can readily replace a fluorescent lamp.
  • FIG. 5 a non-inventive arrangement for emitting light 9 is shown, which is a comparable luminaire housing 3 as in FIG. 1 shown lamp 1 has. Also in FIG. 5 shown second optical element 2 corresponds to the optical element 2 FIG. 1 , In contrast to the light 1 in FIG. 1 is in the inventive arrangement for light output 9 now no fluorescent lamp 4 more provided. Instead of this fluorescent lamp 4, light-emitting diodes 10 are now used in the arrangement for emitting light 9, which are arranged one behind the other in the longitudinal direction and are fastened on an elongated circuit board 11. In addition, in the arrangement for emitting light 9, a first optical element is provided, wherein at the in FIG. 5 shown arrangement according to a non-inventive optical element 5 accordingly FIG. 3 is used. The light-emitting diodes 10 or the circuit board 11 are arranged on or in the opening of the first optical element 5, such that the first optical element 5 is arranged in the light emission direction directly in front of the light-emitting diodes 10.
  • the second optical element 2 is arranged, whereby this is also in the light emitting direction of the LEDs 10.
  • the first optical element 5 and the light-emitting diodes 10 or the circuit board 11 are now arranged in the arrangement for emitting light 9 such that they are located approximately in the area of the earlier fluorescent lamp 4.
  • the first optical element 5 is surrounded by the second optical element 2, wherein the first optical element 5 is arranged within the circular configuration of the second optical element 2. This becomes possible because the light emission characteristic or light intensity distribution of the light-emitting diodes is changed.
  • the desired light distribution is achieved by the interaction of the two optical elements 2 and 5, it being possible by the first optical element 5 according to the invention, in an existing elongated luminaire as shown in FIG. 1 is shown to replace the fluorescent lamp 4, without an adjustment of the optical element 2 shown there is necessary.
  • the non-inventive optical element 5 thus results in a deviating from the dot shape of the LED light source whose surface corresponds to the surface of the first optical element, which is achieved by the scattering properties of the first optical element.
  • FIG. 7 now additionally shows an elongated support member 12, on which the circuit board 11, on which the light-emitting diodes 10 are arranged, is held. This is done by pressing elements 13 which are latched to the support member 12 and exert pressure on the board 11, such that the board 11 is pressed against a surface of the support member 12 and thus held on the support member 12.
  • the first optical element 5 is held by the carrier element 12.
  • the two ends 7 of the side legs 6 of the U-shape can be latched to the support member 12, whereby, as well as from FIG. 7 it can be seen that the LEDs 10 and the board 11 can be protected from direct contact by the first optical element 5 according to the invention.
  • the support member may for example consist of aluminum and have a heat sink, which ensures optimized heat dissipation.
  • the carrier element is rotatably mounted within an inventive arrangement for emitting light about the longitudinal axis.
  • the first optical element could also be rotatably mounted about the longitudinal axis of the arrangement.
  • FIG. 8 an arrangement according to the invention for emitting light 19 is shown, in turn, a luminaire housing 3 and a second optical element 2, comparable to those in FIG. 5 shown.
  • 19 is in the light-emitting arrangement in FIG FIG. 8 a first optical Element 15 according to the embodiment of the present invention provided.
  • This elongated optical element 15 according to the invention also has a light-scattering characteristic and is also designed in a substantially U-shaped cross-section, wherein it has two lateral regions 16 and a central region 18.
  • the two lateral regions 16 of the U-shape in the region of their ends 17 are each curved inwards in the direction of the respective other lateral region 16, this curvature achieving a similar effect as the inclination of the side limbs 6 in the optical element 5 in FIG. 3 ,
  • the middle area 18 of the second embodiment is also curved inwards or has an inward curvature which is inwardly tapered, resulting in a concavity which is essentially a V-shaped one.
  • Form has the tip in the U-shape.
  • the luminous intensity distribution of in FIG. 8 The first optical element 15 shown thus resembles the light intensity distribution of the in FIG. 3 shown first optical element 9, which is why the in FIG. 8 shown arrangement for emitting light 19 a comparable light intensity distribution or light emission characteristic as in FIG. 5 has arrangement shown for emitting light 9.
  • the light-scattering characteristic of the optical element according to the invention leads to light-emitting diodes in conjunction with the optical element according to the invention can replace a fluorescent lamp, without making changes to the outer structure of a corresponding lamp or arrangement for light output.
  • the two fluorescent lamps arranged next to one another have the fluorescent lamps in each case by an optical element according to the invention and corresponding circuit boards or Light-emitting diodes are replaced, which then instead of the two fluorescent lamps two juxtaposed optical elements according to the invention are arranged in the lamp.
  • the possibility of cross-emission then additionally results.
  • two side by side arranged boards are provided with light-emitting diodes, which are surrounded by only one optical element according to the invention.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Rehabilitation Tools (AREA)
  • Led Device Packages (AREA)

Claims (14)

  1. Élément optique allongé (15) pour des diodes électroluminescentes (10) juxtaposées dans la direction longitudinale, l'élément optique (15) présentant une caractéristique de diffusion de la lumière et étant conçu avec une section transversale essentiellement en forme de U et le montant central ou la zone centrale (8) de la forme de U, reliant entre eux les deux montants latéraux ou les zones latérales (6) présentant une courbure vers l'intérieur,
    les deux montants latéraux ou zones latérales (6) de la forme de U étant inclinées l'une en direction de l'autre vers l'intérieur de façon à ce que les montants latéraux ou les zones latérales (6) présentent, au niveau de leurs extrémités (7), une distance entre elles inférieure à la distance dans la zone dans laquelle les montants latéraux ou les zones latérales (6) se transforment en une forme de U dans le montant central ou la zone centrale (8),
    caractérisé en ce que
    une courbure du montant centrale ou de la zone centrale de la forme de U s'étend vers l'intérieur de manière pointue, de façon à obtenir une courbure globalement en forme de V dont la pointe est orientée vers la forme en U.
  2. Élément optique selon la revendication 1,
    caractérisé en ce que
    les deux montants latéraux ou les deux zones latérales de la forme en U présentent chacun une courbure vers l'intérieur en direction de l'autre montant latéral ou de l'autre zone latérale, plus particulièrement au niveau de leurs extrémités.
  3. Élément optique (15) pour des diodes électroluminescentes (10) juxtaposées dans la direction longitudinale,
    l'élément optique (15) présentant une caractéristique de diffusion de lumière et étant conçu avec une section transversale globalement en forme de U et le montant central ou la zone centrale (8) de la forme en U, reliant entre eux les deux montants latéraux ou les zones latérales (6), présente une courbure vers l'intérieur,
    les deux montants latéraux ou zones latérales de la forme en U présentent chacun une courbure vers l'intérieur de l'autre montant latéral ou de la zone latérale, plus particulièrement au niveau de leurs extrémités,
    caractérisé en ce que
    la courbure du montant central ou de la zone centrale de la forme en U s'étend de manière pointue vers l'intérieur de façon à obtenir une courbure globalement en forme de V dont la pointe est orientée vers la forme en U.
  4. Dispositif d'émission de lumière (19) comprenant
    • un premier élément optique allongé (15) selon l'une des revendications précédentes,
    • un deuxième élément optique allongé (2) et
    • des diodes électroluminescentes (10),
    moyennant quoi, dans la direction d'émission de lumière des diodes électroluminescentes (10), le premier élément optique (15) est disposé avec l'ouverture de la forme en U en direction des diodes électroluminescentes (10) directement devant les diodes électroluminescentes et est entourées par le deuxième élément optique (2).
  5. Dispositif selon la revendication 4,
    caractérisé en ce que
    le deuxième élément optique (2) est conçu avec une section transversale globalement en forme d'arc de cercle, les diodes électroluminescentes (10) étant disposées avec le premier élément optique (15) à l'intérieur de la forme d'arc de cercle du deuxième élément optique (2).
  6. Dispositif selon la revendication 4 ou 5,
    caractérisé en ce que
    la répartition d'intensité lumineuse du dispositif (19) résulte de l'interaction du premier élément optique (15) et du deuxième élément optique (2).
  7. Dispositif selon la revendication 6,
    caractérisé en ce que
    le dispositif (19) présente, dans la direction transversale, une répartition d'intensité lumineuse présentant la forme d'une aile de chauve-souris.
  8. Dispositif selon l'une des revendications 4 à 7,
    caractérisé en ce que
    le deuxième élément optique (2) présente une caractéristique de réfraction de lumière.
  9. Dispositif selon la revendication 8,
    caractérisé en ce que
    le deuxième élément optique (2) présente des structures prismatiques allongées.
  10. Dispositif selon l'une des revendications 4 à 9,
    caractérisé en ce que
    les diodes électroluminescentes (10) sont disposées sur une platine allongée (11) qui peut être maintenue par un élément de support allongé (12).
  11. Dispositif selon la revendication 10,
    caractérisé en ce que
    la platine (11) peut être maintenue sur l'élément de support (12) à l'aide d'au moins un élément de compression (13).
  12. Dispositif selon la revendication 10 ou 11,
    caractérisé en ce que
    le premier élément optique (15) peut être maintenu par l'élément de support (12).
  13. Dispositif selon la revendication 12,
    caractérisé en ce que
    les extrémités (7) des montants latéraux ou des zones latérales (6) du premier élément optique (15) peuvent être encliquetées chacune avec l'élément de support (12).
  14. Dispositif selon l'une des revendications 10 à 13,
    caractérisé en ce que
    l'élément de support (12) et/ou le premier élément optique (15) peut tourner autour de l'axe longitudinal du dispositif (19).
EP12165632.6A 2011-04-27 2012-04-26 Agencement d'émission de lumière avec un élément optique allongé Active EP2518389B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12165632T PL2518389T3 (pl) 2011-04-27 2012-04-26 Podłużny element optyczny i układ do emisji światła za pomocą elementu optycznego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011017580.6A DE102011017580B4 (de) 2011-04-27 2011-04-27 Leuchte

Publications (4)

Publication Number Publication Date
EP2518389A2 EP2518389A2 (fr) 2012-10-31
EP2518389A3 EP2518389A3 (fr) 2014-01-29
EP2518389B1 true EP2518389B1 (fr) 2017-01-04
EP2518389B2 EP2518389B2 (fr) 2020-05-20

Family

ID=46045858

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Application Number Title Priority Date Filing Date
EP12165632.6A Active EP2518389B2 (fr) 2011-04-27 2012-04-26 Agencement d'émission de lumière avec un élément optique allongé

Country Status (3)

Country Link
EP (1) EP2518389B2 (fr)
DE (2) DE102011017580B4 (fr)
PL (1) PL2518389T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208292A1 (de) 2013-05-06 2014-11-06 Itz Innovations- Und Technologiezentrum Gmbh LED-Leuchte mit Entblendung
DE102018133311A1 (de) 2018-12-21 2020-06-25 Zumtobel Lighting Gmbh Leuchtengehäuse und Leuchte

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DE3729554A1 (de) 1984-10-17 1989-03-16 Balla Peter Alexander Beleuchtung fuer geschlossene laengliche raeume
US6676284B1 (en) 1998-09-04 2004-01-13 Wynne Willson Gottelier Limited Apparatus and method for providing a linear effect
US20080030981A1 (en) 2004-08-06 2008-02-07 Matthew Mrakovich Elongated Led Illumination Device
EP2151899A2 (fr) * 2008-08-05 2010-02-10 Zumtobel Lighting GmbH Système de bande lumineuse
EP2151873A2 (fr) 2004-10-25 2010-02-10 Cree, Inc. Substrats composés d'un bloc de métal plein pour le montage de dispositifs électroluminescents à semi-conducteurs et encapsulations associées
US20100220476A1 (en) 2009-02-27 2010-09-02 Ledtech Electronics Led light tube
US20100265693A1 (en) 2009-03-31 2010-10-21 Seoul Semiconductor Co., Ltd. Tube-type or channel-type led lighting apparatus
DE102010019456A1 (de) 2010-05-05 2011-11-10 Armonies Elektronik Gmbh Trägerprofil und Abdeckungsprofil für Beleuchtungen mit mehreren in Reihe angeordneter Lichtquellen
EP2188567B1 (fr) 2007-08-06 2012-01-11 Zumtobel Lighting GmbH Lampe pour local humide
WO2012005008A1 (fr) 2010-07-08 2012-01-12 株式会社エンプラス Élément de commande de flux lumineux et dispositif d'éclairage
US20120033420A1 (en) 2009-04-08 2012-02-09 Sun Woong Kim Led lamp having broad and uniform light distribution
DE102010041471A1 (de) 2010-09-27 2012-03-29 Zumtobel Lighting Gmbh Leuchtmodulanordnung mit einer LED auf einer Platine

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TWI244227B (en) * 2004-12-08 2005-11-21 Ind Tech Res Inst LED light module
US7311423B2 (en) * 2005-09-21 2007-12-25 Awi Licensing Company Adjustable LED luminaire
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WO2009055334A1 (fr) * 2007-10-24 2009-04-30 Lsi Industries, Inc. Appareil d'éclairage ajustable
US9557033B2 (en) * 2008-03-05 2017-01-31 Cree, Inc. Optical system for batwing distribution
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AT11273U1 (de) * 2009-03-11 2010-07-15 Hierzer Andreas Leuchte
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729554A1 (de) 1984-10-17 1989-03-16 Balla Peter Alexander Beleuchtung fuer geschlossene laengliche raeume
US6676284B1 (en) 1998-09-04 2004-01-13 Wynne Willson Gottelier Limited Apparatus and method for providing a linear effect
US20080030981A1 (en) 2004-08-06 2008-02-07 Matthew Mrakovich Elongated Led Illumination Device
EP2151873A2 (fr) 2004-10-25 2010-02-10 Cree, Inc. Substrats composés d'un bloc de métal plein pour le montage de dispositifs électroluminescents à semi-conducteurs et encapsulations associées
EP2188567B1 (fr) 2007-08-06 2012-01-11 Zumtobel Lighting GmbH Lampe pour local humide
EP2151899A2 (fr) * 2008-08-05 2010-02-10 Zumtobel Lighting GmbH Système de bande lumineuse
US20100220476A1 (en) 2009-02-27 2010-09-02 Ledtech Electronics Led light tube
US20100265693A1 (en) 2009-03-31 2010-10-21 Seoul Semiconductor Co., Ltd. Tube-type or channel-type led lighting apparatus
US20120033420A1 (en) 2009-04-08 2012-02-09 Sun Woong Kim Led lamp having broad and uniform light distribution
DE102010019456A1 (de) 2010-05-05 2011-11-10 Armonies Elektronik Gmbh Trägerprofil und Abdeckungsprofil für Beleuchtungen mit mehreren in Reihe angeordneter Lichtquellen
WO2012005008A1 (fr) 2010-07-08 2012-01-12 株式会社エンプラス Élément de commande de flux lumineux et dispositif d'éclairage
DE102010041471A1 (de) 2010-09-27 2012-03-29 Zumtobel Lighting Gmbh Leuchtmodulanordnung mit einer LED auf einer Platine

Also Published As

Publication number Publication date
DE202012013269U1 (de) 2015-10-14
PL2518389T3 (pl) 2017-07-31
DE102011017580B4 (de) 2023-04-06
EP2518389A2 (fr) 2012-10-31
EP2518389A3 (fr) 2014-01-29
DE102011017580A1 (de) 2012-10-31
EP2518389B2 (fr) 2020-05-20

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