EP3056805B1 - Optique allongée pour module à del - Google Patents

Optique allongée pour module à del Download PDF

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Publication number
EP3056805B1
EP3056805B1 EP16154987.8A EP16154987A EP3056805B1 EP 3056805 B1 EP3056805 B1 EP 3056805B1 EP 16154987 A EP16154987 A EP 16154987A EP 3056805 B1 EP3056805 B1 EP 3056805B1
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EP
European Patent Office
Prior art keywords
optics
led module
led
optical system
leds
Prior art date
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Active
Application number
EP16154987.8A
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German (de)
English (en)
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EP3056805B2 (fr
EP3056805A1 (fr
Inventor
Björn Keßler
Thomas Goeke
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.)
Trilux GmbH and Co KG
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Trilux GmbH and Co KG
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Publication date
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Application filed by Trilux GmbH and Co KG filed Critical Trilux GmbH and Co KG
Publication of EP3056805A1 publication Critical patent/EP3056805A1/fr
Application granted granted 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
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • 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
    • F21V29/504—Cooling arrangements characterised by the adaptation for cooling of specific components of refractors
    • 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
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens 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
    • 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 invention generally relates to a luminaire, in particular linear luminaire, comprising a connectable to a mounting body optics comprising a plurality of individual optics optically optimized in installation position in relation to LEDs of at least one LED module are arranged to realize a desired light distribution curve for a visual task.
  • the invention thus relates to a long lamp with long LED modules and long optical systems.
  • Single optics are several optics provided in the optics, which are assigned in the installed position the individual LEDs and with these, so preferably arranged in the optical axis of the LED, realize a lighting technically highly efficient light distribution curve for the realization of the respective Sehaufgabe.
  • the individual optics are designed as collimator lenses in the optics.
  • LED modules are fixed to a mounting body, which also for thermal cooling serves as a heat sink.
  • the LED module usually consisting of a first plastic having a first coefficient of thermal expansion
  • the mounting body usually consisting of metal or another plastic, but in any case with a deviating from the first coefficient of thermal expansion coefficient of thermal expansion, vote as closely as possible so that even in operation by heating the lighting technically highly efficient lights are provided.
  • These are luminaires which have a desired light distribution curve (LVK) for the respective visual or work task without lateral displacement of the axes of the lighting means, in particular individual LEDs, to the associated optical system, preferably single lenses, particularly preferably collimator lenses, occurring due to heating.
  • the lenses or the optical system should therefore be positioned at exactly the desired position with respect to the illuminant, in particular the individual LEDs of an LED grid, regardless of different material pairings of the materials used for the optical system and the mounting body.
  • Adapted to the current maximum length of LED modules are lenses with single lenses in a maximum length of about 600 mm, in which by a suitable, central positioning an extension of usually max. 1mm of the plastic optics to the LED board can still compensate relatively well.
  • DE 10 2010 016 385 A1 describes a lighting arrangement comprising a heat sink, at least one light-emitting diode mounted on the heat sink and mounted in front of the light-emitting illumination optics, wherein the illumination optics comprises a grooved, translucent, frustoconical or in cross-section substantially trapezoidal Entblendungsange, wherein the front side of the Einblendungs stressess with a smaller diameter a Recess has and wherein the Entblendungs endeavor is arranged with the recess in front of the lamp, that it is arranged off-axis to the truncated cone axis of the Entblendungsêt.
  • several Entblendungs redesign can be integrated linearly to an optic and mounted in front of the associated, mounted on the heat sink LEDs. A certain shift of the optics with respect to the board by different thermal expansion is accepted.
  • the invention deals with the technical problem of at least partially avoiding these disadvantages and in particular to ensure accurate positioning of the individual LEDs of an LED module to the individual optical lenses, even with long lights at any time.
  • the invention addresses the problem of matching the usually different linear expansions of optical systems, LED modules and mounting bodies in such a way that the efficiency of the luminaires when heated is not adversely affected.
  • the invention is intended to provide long, technically highly efficient luminaires for realizing the light distribution curves required for the visual task, with simultaneous glare reduction.
  • this object is essentially already achieved in the case of a linear luminaire or a lighting system in that a plurality of LED modules are received by the optics and connected to it without direct connection to the luminaire housing or the mounting body. Furthermore, the optics on a multiple of the length of an LED module. This achieves a "floating" mounting of the LED modules on the otherwise rigid mounting body for compensation during thermal expansion during operation. The invention goes so far a completely new way, because they are the LED module now assigns the optics and not the assembly body or the lamp housing.
  • the LED board of the LED module that is to say the plate-shaped carrier element with the LEDs adapted to the application, which extend collinearly along a common longitudinal axis, is no longer associated with a rigid housing or heat sink, but with the optics.
  • the connection is thus realized according to the invention between optics and LED.
  • the inventively floating storage ensures that the LEDs of the LED modules are always centered in relation to the optics. If the optic expands when heated, the LED module moves with and the centering of the LEDs to the respective lens is still guaranteed.
  • the optic is designed to receive the LED modules or to connect to them. This can be done for example by providing recordings or recording slots on the optics, which extend in the installed position in the longitudinal direction of the lamp and in which the longitudinal sides of the LED board of the LED module are inserted or snapped so that the optics in installation position in Radiation direction thus extends in the direction of the optical axis of the individual LEDs like a bridge across these LEDs, in such a way that at any time the highest optical efficiency can be achieved.
  • the optics is formed as a one-piece injection molding or extrusion injection molded part.
  • optical efficiency in particular the reflectance
  • materials of the optics and the LED modules have the same or a very similar coefficient of thermal expansion.
  • the optics have a multiple of the length of the LED modules, in particular 3 times, so that therefore 3 LED modules in the longitudinal direction of extension collinear with each other and are arranged one behind the other in the optics.
  • LED modules provide the cooling capacity of the LED module with the applied on the plate-shaped plastic carrier copper layer sufficient self-cooling performance that no further heat sinks are needed, in particular no direct connection LED board with the mounting body is necessary.
  • This is particularly possible with mid-power LED modules with luminous fluxes of 1000 to 2000 lm (lumens), whereby the individual LEDs realize luminous fluxes of 30 - 50 lm.
  • Such luminaires are e.g. in offices, in corridors, e.g. installed in light channels, but also in the shop or in the retail sector and can even be used as light strips in production or workshop halls.
  • the LED module is preferably connected to a long optic or fixed in this.
  • the optic is preferably made in an extrusion injection molding process and the board of the LED module is replaced by e.g. by lamination of preferably glass-fiber-reinforced plastics, which are particularly preferably laminated with alternating fiber direction by incorporating the conductor tracks and possibly other electronic components on each other to form the final module or its "substrate" on which the LEDs are fastened.
  • At least one centering means is provided between the optics and the LED module for connecting the LED module to the optics, for example in the form of a snap-action hook or a centering pin. If the optic expands due to thermal effects during operation, the LED module is thus taken along by this centering means in the same extent, so that each LED is still exactly centered in the optical target position with respect to the optics or an optical element, such as a optically formed lens.
  • LED modules Preferably, several, e.g. Zhaga standard approx. 560 mm long LED modules are used in or accommodated in optics twice, three times or even four times as long.
  • the optic is designed for longitudinally displaceable recording of the LED modules, for. B. optically optimized spaced by receiving grooves extending in the longitudinal direction to the LEDs of the LED module in the installation position dome-like spanning lenses.
  • the material of the LED module or the support plate (substrate) of the LED module and the optics on a similar or the same coefficient of thermal expansion As the preferred materials for the production of optics highly technically highly effective, especially glassy plastics have proven, in particular PMMA with a refractive index of 1.49 and a transmittance of 92%, but also PC.
  • the mounting body only functions to stiffen the luminaire, closes off the optics at the rear and provides space for electrical and / or electronic components, in particular an operating device and fastening points. He does not have to provide more of the function of the heat sink for cooling the LEDs and can be much filigree formed, in particular, step back in design. In this respect, in a particularly preferred embodiment of the invention, it is also possible to completely dispense with additional heat sinks.
  • a centering element may be provided between the optics and the LED module. Due to the combination of the floating mounting of the components and the centering element, the LED module can thus move independently of the optics and also to the optical lenses in thermal expansion in relation to the centering point. This centering element thus causes a positional fixation of the two components in relation to each other.
  • the centering element is arranged centrally between the LED module and optics, whereby the length of expansion occurring when heated is halved.
  • the centering comprises a mandrel (pin) or snap hook on a component which engages in the installation position in operatively connected in the complementary formed joining partner or the counter-element.
  • the inventive design also allows for the first time the production and use of long optics, which significantly reduces assembly costs, especially in linear luminaires and light bands, because fewer components must be mounted and bolted, which can be particularly problematic in overhead mounting.
  • the luminaire and in particular the optics with the integrated LED module (s) are sealed by means of seals for realizing high degrees of protection.
  • this is done by a preferably circumferential sealing channel between the optics and LED module for receiving a Seal, eg comprising a sealing cord or a sealing foam. But even a full-surface bonding is easy to achieve.)
  • the wiring of the LED boards is preferably carried out by back-mounted connection terminals from the back.
  • the boards of the LED module preferably comprise a glass-fiber-reinforced carrier material, in particular FR4, CEM3.
  • the lamp body is preferably made of thermally conductive plastic in order to better dissipate the heat generated, but may also consist of metal.
  • the core of the invention is thus to no longer mount the LED board of the LED module on the mounting body, but on the optics, which preferably takes place by means of retaining pins or other retaining elements.
  • the position of the lenses of the optics no longer changes with respect to the LEDs, so that the optics are always highly efficient even when heated, self-regulating.
  • the invention thus achieves a particularly accurate imaging accuracy with simple means, that is to say the optically optimized positioning of each individual lens in relation to the associated LED.
  • the elongated linear field lamp consists essentially of a top in the figures mounting body 2, which defines a horizontal in the figures upper part, with a transverse to the upper plane defined by this upper part at the edge transversely downwardly projecting, circumferential edge web 2a.
  • a control gear is placed, but which can also be integrated in an alternative embodiment in the mounting body 2.
  • one-piece and translucent optic 6 is arranged, which thus defines an optical light exit surface parallel to the upper part down to the plane of the mounting body 2 and in the present embodiments, the same length as the mounting body and thus also has an edge edge 6a extending transversely to the optical plane at the edge, so that the edge webs 2a, 6a abut each other in the installed position abutting side and thus form a closed, oblong box-shaped lamp body.
  • optical lenses 6b Integrated into the optics, ie integrally formed with the latter, are in the longitudinal direction equidistantly arranged optical lenses 6b, which are essentially parabolic in cross-section and whose vertices are optically optimized just below each other optical axis of the corresponding LEDs 8a on two LED modules 8 are arranged.
  • two rod-shaped centering elements 10 are arranged, which realize a precise positional fixation of the optical lenses 6b relative to the optical axes of the LEDs 8a of the two LED modules 8.
  • Electrical connection elements 12 which are designed to connect the LED module to the operating device 4 and / or an LED module 8 to an adjacent LED module, are arranged on the upper-side front ends of the oblong rectangular LED modules 8.
  • FIG. 2 shows a schematic longitudinal section of a fundamentally similar trained linear luminaire, in which for the realization of a length of eg 2400 mm a total of four of the elongate LED modules 8 are collinearly added to each other in the optical system 14 longitudinally displaceable.

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)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (4)

  1. Luminaire à long champ, comprenant une optique (6) connectable à un corps de montage (2) et comprenant plusieurs optiques simples qui, dans la position de montage, sont disposées de manière optiquement optimisée par rapport à des DELs (8a) d'au moins un module DEL (8), pour réaliser une courbe de distribution de lumière pour une tâche de vision souhaitée, caractérisé en ce que plusieurs modules DEL sont logés dans l'optique et sont connectés à l'optique (6) sans une connexion directe avec le corps de montage, et en ce que l'optique (6) présente un multiple de la longueur d'un module DEL (8).
  2. Luminaire selon la revendication 1 ou 2, caractérisé en ce que l'optique est conçue pour loger les modules DEL (8) de sorte qu'ils peuvent coulisser longitudinalement.
  3. Luminaire selon la revendication 3, caractérisé en ce qu'entre l'optique et au moins un module DEL (8) est prévu au moins un élément de centrage.
  4. Luminaire selon la revendication 4, caractérisé en ce que ledit élément de centrage comprend un moyen d'encliquetage ou une broche de liaison.
EP16154987.8A 2015-02-11 2016-02-10 Optique allongée pour module à del Active EP3056805B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015101947.7A DE102015101947A1 (de) 2015-02-11 2015-02-11 Langgestreckte Optik für LED-Module

Publications (3)

Publication Number Publication Date
EP3056805A1 EP3056805A1 (fr) 2016-08-17
EP3056805B1 true EP3056805B1 (fr) 2018-08-22
EP3056805B2 EP3056805B2 (fr) 2022-01-12

Family

ID=55527731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16154987.8A Active EP3056805B2 (fr) 2015-02-11 2016-02-10 Optique allongée pour module à del

Country Status (3)

Country Link
EP (1) EP3056805B2 (fr)
DE (1) DE102015101947A1 (fr)
ES (1) ES2699194T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017110428A1 (de) * 2017-05-12 2018-11-15 Occhio GmbH Innen- oder Außenleuchte mit einer blendarmen Lichtaustrittsfläche
DE102017124847A1 (de) * 2017-10-24 2019-04-25 Trilux Gmbh & Co. Kg Langfeldleuchte, insbesondere Lichtbandleuchte, und daraus aufgebautes Lichtband
DE102018119656A1 (de) 2018-04-19 2019-10-24 Dieter Obenaus Mechanischer und elektrischer Aufbau einer Langfeldleuchte und dazugehörige unterschiedliche Betriebsweisen
EP4305341A1 (fr) * 2021-03-11 2024-01-17 Signify Holding B.V. Dispositif d'éclairage, élément optique et luminaire

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006017595A2 (fr) 2004-08-06 2006-02-16 Gelcore Llc Dispositif d'eclairage de forme allongee a diodes electroluminescentes
CN201242134Y (zh) 2008-07-31 2009-05-20 深圳市锐拓显示技术有限公司 贴片led显示模组
US20100046217A1 (en) 2008-03-03 2010-02-25 Ngai Peter Y Y Optical system and method for managing brightness contrasts between high brightness light sources and surrounding surfaces
KR20100006137U (ko) 2008-12-09 2010-06-17 주식회사 청정에너지 Ｌｅｄ 등 기구
WO2010095156A1 (fr) 2009-02-20 2010-08-26 Aldabra S.R.L. Dispositif d'éclairage muni d'un composant optique de propagation de rayonnement lumineux
DE202009005961U1 (de) 2009-04-23 2010-09-23 Ledon Lighting Jennersdorf Gmbh LED-Beleuchtung für gekühlte Verkaufsmöbel
US20110007516A1 (en) 2009-07-08 2011-01-13 Hsi-Hsien Tsai Truck rear lamp
DE202009013230U1 (de) 2009-09-16 2011-02-03 Ledon Lighting Jennersdorf Gmbh LED-Leuchtenelement zur Beleuchtung eines Lichtkastens mit homogener Lichtverteilung
DE102010016385A1 (de) 2010-04-09 2011-10-13 Semperlux Aktiengesellschaft - Lichttechnische Werke - Beleuchtungsanordnung mit Leuchtdioden
WO2012049137A2 (fr) 2010-10-15 2012-04-19 Tridonic Jennersdorf Gmbh Projecteur à diodes électroluminescentes doté d'un réflecteur
WO2012071598A2 (fr) 2010-12-03 2012-06-07 Tridonic Jennersdorf Gmbh Projecteur à led comportant un réflecteur
WO2012109683A1 (fr) 2011-02-17 2012-08-23 Tridonic Gmbh & Co Kg Dispositif de connexion et de mise en contact d'au moins une unité del, unité del et système d'éclairage
DE102012212925A1 (de) 2011-07-28 2013-01-31 Tridonic Jennersdorf Gmbh Linsenhalter für LEDs
DE102012213043A1 (de) 2011-07-29 2013-01-31 Tridonic Jennersdorf Gmbh Reflektoreinheit für LEDs
US20130194812A1 (en) 2012-01-26 2013-08-01 Hui-Peng TSENG Led lamp set for enhancing illumination and eliminating ghost images
US20140168975A1 (en) 2012-12-14 2014-06-19 Avago Technologies General Ip (Singapore) Pte. Ltd Lighting fixture with flexible lens sheet
DE102013203912A1 (de) 2013-03-07 2014-09-11 Zumtobel Lighting Gmbh LED-Leuchtmodul und Leuchte mit wenigstens einem LED-Leuchtmodul
EP2827053A1 (fr) * 2013-07-15 2015-01-21 RIDI Leuchten GmbH Dispositif d'éclairage

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006017595A2 (fr) 2004-08-06 2006-02-16 Gelcore Llc Dispositif d'eclairage de forme allongee a diodes electroluminescentes
US20100046217A1 (en) 2008-03-03 2010-02-25 Ngai Peter Y Y Optical system and method for managing brightness contrasts between high brightness light sources and surrounding surfaces
CN201242134Y (zh) 2008-07-31 2009-05-20 深圳市锐拓显示技术有限公司 贴片led显示模组
KR20100006137U (ko) 2008-12-09 2010-06-17 주식회사 청정에너지 Ｌｅｄ 등 기구
WO2010095156A1 (fr) 2009-02-20 2010-08-26 Aldabra S.R.L. Dispositif d'éclairage muni d'un composant optique de propagation de rayonnement lumineux
DE202009005961U1 (de) 2009-04-23 2010-09-23 Ledon Lighting Jennersdorf Gmbh LED-Beleuchtung für gekühlte Verkaufsmöbel
US20110007516A1 (en) 2009-07-08 2011-01-13 Hsi-Hsien Tsai Truck rear lamp
DE202009013230U1 (de) 2009-09-16 2011-02-03 Ledon Lighting Jennersdorf Gmbh LED-Leuchtenelement zur Beleuchtung eines Lichtkastens mit homogener Lichtverteilung
DE102010016385A1 (de) 2010-04-09 2011-10-13 Semperlux Aktiengesellschaft - Lichttechnische Werke - Beleuchtungsanordnung mit Leuchtdioden
WO2012049137A2 (fr) 2010-10-15 2012-04-19 Tridonic Jennersdorf Gmbh Projecteur à diodes électroluminescentes doté d'un réflecteur
WO2012071598A2 (fr) 2010-12-03 2012-06-07 Tridonic Jennersdorf Gmbh Projecteur à led comportant un réflecteur
WO2012109683A1 (fr) 2011-02-17 2012-08-23 Tridonic Gmbh & Co Kg Dispositif de connexion et de mise en contact d'au moins une unité del, unité del et système d'éclairage
DE102012212925A1 (de) 2011-07-28 2013-01-31 Tridonic Jennersdorf Gmbh Linsenhalter für LEDs
DE102012213043A1 (de) 2011-07-29 2013-01-31 Tridonic Jennersdorf Gmbh Reflektoreinheit für LEDs
US20130194812A1 (en) 2012-01-26 2013-08-01 Hui-Peng TSENG Led lamp set for enhancing illumination and eliminating ghost images
US20140168975A1 (en) 2012-12-14 2014-06-19 Avago Technologies General Ip (Singapore) Pte. Ltd Lighting fixture with flexible lens sheet
DE102013203912A1 (de) 2013-03-07 2014-09-11 Zumtobel Lighting Gmbh LED-Leuchtmodul und Leuchte mit wenigstens einem LED-Leuchtmodul
EP2827053A1 (fr) * 2013-07-15 2015-01-21 RIDI Leuchten GmbH Dispositif d'éclairage

Also Published As

Publication number Publication date
EP3056805B2 (fr) 2022-01-12
DE102015101947A1 (de) 2016-08-11
ES2699194T3 (es) 2019-02-07
EP3056805A1 (fr) 2016-08-17

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