EP2360427A2 - Réflecteur tri-zone - Google Patents

Réflecteur tri-zone Download PDF

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Publication number
EP2360427A2
EP2360427A2 EP11154291A EP11154291A EP2360427A2 EP 2360427 A2 EP2360427 A2 EP 2360427A2 EP 11154291 A EP11154291 A EP 11154291A EP 11154291 A EP11154291 A EP 11154291A EP 2360427 A2 EP2360427 A2 EP 2360427A2
Authority
EP
European Patent Office
Prior art keywords
led
reflector
tube
light
module according
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.)
Granted
Application number
EP11154291A
Other languages
German (de)
English (en)
Other versions
EP2360427B1 (fr
EP2360427A3 (fr
Inventor
Katrin Schroll
Thomas Hofmann
Peter Oberhofer
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 SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik GmbH
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 Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Publication of EP2360427A2 publication Critical patent/EP2360427A2/fr
Publication of EP2360427A3 publication Critical patent/EP2360427A3/fr
Application granted granted Critical
Publication of EP2360427B1 publication Critical patent/EP2360427B1/fr
Active 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/048—Optical design with facets structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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
    • F21Y2105/00—Planar 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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]
    • F21Y2115/15—Organic light-emitting diodes [OLED]

Definitions

  • the present invention relates to reflector modules which have at least one light source in the form of an LED (light emitting diode), which also includes OLEDs (organic light emitting diodes) to understand. Furthermore, the invention relates to lights, in particular exterior, hall or parking garage lights, which have such LED reflector modules.
  • LED light emitting diode
  • OLEDs organic light emitting diodes
  • Lighting fixtures based on LED technology which are also intended for use in street lights are out DE 20 2008 009 797 U1 known.
  • a lighting fixture which is designed as an optical system with a light-transparent cover, an LED is arranged so that the light emitted by the LED light is directed substantially completely over facets of a reflector to the light utilization level.
  • the LED reflector module comprises: at least one LED as the light source; a tubular reflector, hereinafter also referred to as a tube, with two openings, wherein the reflector surface is formed on the inside of the tube, wherein the tube has a longitudinal center constriction and the LED is arranged inside the tube in the region of the constric
  • An LED without light-directing optics generally gives off a homogeneous light distribution in all directions, which is also referred to as Lambertian luminous intensity distribution.
  • Lambertian luminous intensity distribution In the embodiment of the LED reflector module according to the invention, use is made of the fact that part of Lambert's luminous intensity distribution points in any case in directions which are suitable for illuminating an elongated surface, such as a road train. This portion is coupled out of the reflector module without the need for reflection or refraction in a lens element. As a result, the efficiency of the module is increased, because at least for this proportion of the total luminous flux of the LED no losses due to absorption, reflection or scattering when passing through a lens body or absorption or scattering in the reflection on a reflector surface must be accepted.
  • the shape of the tubular reflector which is open on both sides, provides for the generation of a luminous intensity distribution, which is particularly suitable for the uniform illumination of a longitudinally extending surface, because the light deflection of the reflected portions of the total luminous flux takes place in close-to-light zones and in light-removed zones, which connect to both sides at mid-range zones which are illuminated by the directly exiting light.
  • the proportion of light emerging from the reflector without reflection is between 20% and 50%, preferably between 30% and 40%, of the total luminous flux of the LED. It has been found in experiments that this comparatively high proportion of the total luminous flux of the LED is already emitted without deflection by reflection or refraction of optical devices in one direction from the module directly, so that an area in a central distance range can be illuminated.
  • first reflector subareas within the tube which are opposite to the LED, are arranged to deflect light of the LED in directions having a smaller inclination angle with respect to a plane perpendicular to the main emission direction of the LED than the radiation beams leave the reflector without reflection.
  • the proportion of the light reflected at the first reflector partial surfaces of the LED can make up between 30% and 60%, preferably between 40% and 50%, of the total luminous flux of the LED.
  • the light emitted to the first reflector sub-areas relative to the LED light contains the largest luminous flux per area within the entire reflector surface of the tube.
  • This luminous flux is directed by the lower angles of inclination with respect to the plane perpendicular to the main direction of emission of the LED on a surface to be illuminated in a largest distance range on the surface to be illuminated. It is advantageous to use the area of the reflector surface with the highest luminous flux per area for the reflection in the furthest away from the light zones, because for these areas a higher proportion of the total luminous flux of the LED is required, if a uniform illumination of the Surface should take place over the entire longitudinal extent.
  • second reflector partial surfaces in the region of the opening of the tube on the side of the LED are arranged so that they deflect light of the LED in directions having a greater inclination angle with respect to a plane perpendicular to the main emission direction of the LED than the beams, the leave the reflector without reflection.
  • the proportion of the light of the LED reflected at the second reflector partial surfaces can make up between 10% and 40%, preferably between 20% and 30%, of the total luminous flux of the LED. This proportion of the total luminous flux of the LED is used to illuminate the area near the luminaire, for example the zone under the luminaire.
  • the region of the reflector surface near the openings of the tube is advantageous to use as the second reflector partial surface, because the light reflected in the region of the openings can emerge from the opening with a large deflection angle relative to the longitudinal direction of the tube. Furthermore, it is advantageous to use this area of the reflection surface within the tube as a second reflector partial area, because a comparatively low luminous flux per area impinges on these reflector partial areas and only a smaller proportion of the total luminous flux of the LED is required for illuminating the luminaire-near zone, if a uniform Illumination over the entire surface to be illuminated is to be achieved.
  • the reflection surface in the interior of the tube is at least partially or completely faceted.
  • the facets are not only simple and inexpensive to produce, but also ensure that any glare caused by the near-point light sources that are LEDs is avoided, and one uniform brightness on the surface to be illuminated can be achieved without strong tolerance dependence with respect to the precise positioning of the LED in the reflector.
  • Preferably flat, preferably smooth reflector partial surfaces are provided within the reflector tube in the area next to the LED, which reflect scattered light within the reflector approximately in the direction of the main emission direction of the LED. These additional partial reflector surfaces ensure that all the scattered light produced in the reflector tube and the scattered light which is reflected back into the reflector by the back reflection on a cover plate are distributed in much the same way as the light emitted directly by the LED, which results in an increase in efficiency between 3% and 10%.
  • the planar reflector partial surfaces are formed approximately at the height of a support surface of the LED.
  • the two regions of the tube between the constriction and in each case an opening form two tube sections whose longitudinal extent is angled in a plane perpendicular to the main emission direction of the LED, in particular the respective central axes of the two tube sections form an angle between 130 ° and 175 ° ° measured in a projection on the one plane perpendicular to the main emission direction of the LED.
  • a so-called light bank buckling can be produced.
  • the maxima of the light distribution are not delivered symmetrically to both sides of the LED reflector module, as would be advantageous for the illumination of a street section directly below a luminaire, but are aligned to one side of the luminaire, as is advantageous is when a road section with a side of the street lamp is to be uniformly illuminated.
  • the reflector tube of the LED reflector module is formed from at least two separate parts, which are in particular fauxsteckbar.
  • the relatively complicated shape of the reflector tube can be easily produced.
  • the tube may be made by injection molding from plastic or may be formed from a sheet of metal, particularly a highly reflective aluminum sheet.
  • embodiments of the invention may also comprise one-piece reflector tubes.
  • a plurality of LEDs are provided within an LED reflector module, which are preferably aligned in a row along the constriction of the reflector tubes.
  • an array of multiple LEDs may also be provided.
  • Such an array may include several hundred LEDs and / or OLEDs in a component, e.g. under a phosphorescent layer.
  • This embodiment is useful for achieving particularly high illuminance levels.
  • all the LEDs in effect produce nearly the same light distribution as previously described with respect to a single LED.
  • the same advantage applies to a tightly bundled array of LEDs.
  • all LEDs each contribute approximately to the same proportion of the total luminous flux that leaves the LED reflector module without reflection, leaves after reflection at the first reflector partial surfaces or leaves after reflection at the second reflector partial surfaces.
  • a luminaire in particular outdoor luminaire, can be constructed according to the present invention from an LED reflector module, as previously described in the various embodiments, or from a plurality of such reflector modules. It is preferred to arrange the reflector modules parallel to one another in one or more rows. As a result, the light distributions generated by the LED reflector modules add up to a total light distribution, which essentially corresponds to the light distribution of a single LED reflector module. For particular application, for example, the illumination of roads in different directions at an intersection, but can also be provided combinations of LED reflector modules in a luminaire, which are not aligned parallel to each other, but have a certain predetermined angle to each other, the angle through the Geometry of the surface to be illuminated, eg the intersection, is given.
  • the LED reflector modules are arranged in one plane or in several parallel planes, for example on one or more planar carrier surfaces within the luminaire.
  • a plurality of LEDs are mounted on a common board, in particular in a row, and in each case form a separate LED reflector module with a reflector tube.
  • This configuration allows a cost-effective design of a plurality of LED reflector modules, e.g. two to eight, as a combined module that can be used in a support surface of a lamp.
  • the combined LED reflector modules can be arranged behind one another or next to one another in the luminaire. For example, the LEDs on a common board may be connected in series.
  • an LED reflector module is shown, which is approximately tubular.
  • the tube has a constriction 2 in the center and extends on both sides mirror-symmetrically in two tube sections 4, which expand in a funnel-like manner to an opening 6.
  • the openings 6 are cut out so that when viewed in supervision reflector (see FIG. 1 ) protrudes part of the inner reflector surface under the opening. All reflector surfaces on the inside of the reflector tube are faceted.
  • an LED 8 is arranged in the region of the constriction 2 (in the partially transparent view) FIG. 3 to see).
  • the LED 8 generates a homogeneous light distribution, ie it radiates in all directions according to a Lambertian radiator.
  • the beam path within the reflector and in particular the light exit angles are schematically in FIG. 3 shown.
  • Part of the radiation emerges without reflection on the inside of the reflector tube. This is marked by two arrows "Zone 2". This proportion of the light radiation is approximately between 20% and 45% of the total luminous flux of the LED.
  • Another part of the total luminous flux of the LED impinges on first reflector partial surfaces 10, which are located within the tube approximately opposite the LED 8.
  • This radiation is reflected at the first reflector partial surfaces 10 and exits the apertures 6 at a relatively shallow angle with respect to a plane perpendicular to the main emission direction of the LED (in FIG FIG. 3 a horizontal plane perpendicular to the image plane) from the openings 6.
  • This radiation is in FIG. 3 marked with arrows "Zone 3".
  • the proportion of this radiation is about 40% to 50% of the total luminous flux of the LED.
  • light radiation from the LED 8 is incident on second reflector partial surfaces 12 which are located in the region of the opening 6 on the inside of the tube. This light radiation exits the opening 6 at a relatively steep angle with respect to the horizontal plane.
  • This light radiation is in FIG. 3 labeled "Zone 1".
  • the directional information for Zone 1, Zone 2 and Zone 3 is only to be understood as the average direction of one beam each having a divergence.
  • a light 14 is shown on the edge of a street.
  • the luminaire 14 has at least one LED reflector module as previously described, which is aligned in the longitudinal direction of the road.
  • the beams to be distinguished from the three, as in FIG. 3 marked with the arrows, illuminated areas on the street are in FIG. 4 shown with different hatchings. It can be seen that the radiation which leaves the LED reflector module after reflection at the second reflector partial surfaces 12 impinges on the road approximately below the luminaire and leads to the illumination of zone 1.
  • the radiation which leaves the LED reflector module without reflection strikes the road in the area of zone 2.
  • the beams which leave the LED reflector module after reflection at the first reflector partial surfaces 10 strike the street in zone 3.
  • the weighting of the different beam components leaving the LED reflector module according to the three beams to be distinguished results in a relatively uniform illuminance or luminance of the road across all zones.
  • the weighting of the luminous flux emitted by the LED to the three beams to be distinguished is due to the particular geometry of the tubular reflector, i. in particular the arrangement of the first and second reflector partial surfaces 10 and 12, taking into account the Lambertian radiation characteristic of the LED 8. It is to be understood that a higher luminous flux per unit area impinges on the first reflector partial surfaces 10, which are arranged substantially opposite the LED the second reflector partial surfaces 12, which are located laterally of the LED.
  • smooth reflector partial surfaces 13 are provided, which are intended to scatter light within the reflector tube, or light, which is reflected by the back reflection, for example on a lamp cover in the reflector, approximately in the same direction as the Main emission direction of the LED to reflect.
  • the planar reflector part surfaces 13 are arranged at the same height to the surface on which the LED 8 is mounted within the reflector module.
  • the planar reflector partial surfaces 13 extend symmetrically to both sides of the LED 8.
  • the mirror-symmetrically arranged halves are angled on both sides of the constriction 2 of the tube to one side.
  • a Lichtbandknickung is achieved as a result, because both the directly emerging from the reflector light and the reflected light beams are emitted according to the reflector shape to one side.
  • the angle of the two reflector halves measured as the angle of the central axes of the two reflector sections is for example between 130 ° and 175 °.
  • This configuration is particularly suitable for illuminating a street with a lamp mounted on the roadside, as in FIG. 4 shown. The light is directed towards the road by the angled geometry, while the areas on the opposite side of the light are only slightly illuminated. This is desirable to avoid unnecessary illumination of fronts of houses behind a streetlight 14, which is often perceived as disturbing.
  • FIGS. 5a to 5d Examples of lamps are shown in which several of the previously described LED reflector modules are integrated.
  • the LED reflector modules are arranged in one or two columns and each arranged parallel to each other. The result of the parallel alignment is that the overlapping light distributions of the individual modules add up to the total light distribution of the luminaire.
  • the light distribution as previously using the example of a single module in connection with FIG. 3 described remains for the entire lamp accordingly.
  • the number of LED reflector modules in the luminaire can be selected to achieve the desired total amount of light of the luminaire. Groups of LED reflector modules, for example four or eight, may be surrounded by a transparent cover to protect them from environmental influences. Covers on the individual LED reflector modules are not necessary.
  • LED reflector modules are arranged in particular opposite one another. These luminaires no longer produce a light band bend but a symmetrical light distribution on both sides of the luminaire. Such embodiments are suitable for illuminating larger squares or as a suspended luminaire mounted directly above the road.
  • the LED reflector modules may comprise one or more LEDs 8 arranged on a circuit board 16.
  • FIG. 6a shows an example in which only one LED is arranged on a circuit board 16.
  • FIG. 6b shows an example of a board 16 ', are arranged on the four LEDs.
  • the LEDs on the board 16 ' are each assigned a reflector tube.
  • the one or more LEDs are mounted directly or indirectly on a heat sink.
  • the heat sink can itself provide a board 16 or 16 'comparable carrier surface on which the electrical leads of the LEDs are integrated.
  • an LED reflector module is shown, which is an LED on a board 16, as in FIG. 6a shown, has. However, several, in particular two to eight LED reflector modules in a row, can be provided, which are arranged on the one interconnected board 16 '. In the embodiments of lights that in the FIGS. 5b to 5c are each shown, two such modules, each consisting of four LED reflector modules and are arranged on a common board 16 ', arranged side by side or one behind the other.
  • the invention may also comprise a plurality of LEDs within an LED reflector module in the region of the constriction 2.
  • FIG. 7 the structure of the reflector surface of an LED reflector module is shown in exploded view.
  • the LED reflector module is composed of three sections mounted on a board 16 or 16 '(in the FIG. 7 not shown) are plugged. This production of the LED reflector module in separate reflector sections allows simple manufacturing processes, such as injection molding or pressing process with plastic or metal.
  • FIG. 9 illustrates a perspective view of a lamp with four LED reflector modules.
  • the reflector modules are, as in the embodiments according to the FIGS. 5a to 5d arranged in one plane.
  • the reflector modules are surrounded by a housing 18. Further, a pivotable support arm 20 is provided on the housing 18, which allows to attach the lamp, for example, to a lamppost.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
EP11154291.6A 2010-02-12 2011-02-14 Réflecteur tri-zone Active EP2360427B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010007774A DE102010007774A1 (de) 2010-02-12 2010-02-12 Drei-Zonen Reflektor

Publications (3)

Publication Number Publication Date
EP2360427A2 true EP2360427A2 (fr) 2011-08-24
EP2360427A3 EP2360427A3 (fr) 2012-08-22
EP2360427B1 EP2360427B1 (fr) 2013-07-03

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EP (1) EP2360427B1 (fr)
DE (1) DE102010007774A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013056985A1 (fr) 2011-10-17 2013-04-25 Heper Moonlight Europe Gmbh Luminaire
EP2808601A3 (fr) * 2013-05-31 2015-01-14 BöSha Technische Produkte GmbH & Co. KG Corps d'éclairage d'une lampe, notamment d'un lampadaire, et lampe dotée d'au moins un corps d'éclairage
EP2902699A1 (fr) 2014-01-31 2015-08-05 Siteco Beleuchtungstechnik GmbH Unité d'éclairage pour des éclairages en forme de lanterne
EP3006824A1 (fr) 2014-10-08 2016-04-13 Siteco Beleuchtungstechnik GmbH Éclairage et clip de fixation
EP3650747A1 (fr) * 2018-11-09 2020-05-13 Nichia Corporation Dispositif optique et dispositif d'éclairage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010014099A1 (de) 2010-04-07 2011-10-13 Siteco Beleuchtungstechnik Gmbh Leuchte mit Abdeckscheibe
DE202013103401U1 (de) 2013-07-29 2013-08-16 Stührenberg GmbH Elektrobau-Signaltechnik Freiformoptik für LED-Straßenleuchten
DE102014117314A1 (de) * 2014-11-26 2016-06-02 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
DE102016002072A1 (de) * 2016-02-23 2017-08-24 Selux Aktiengesellschaft Leuchte mit den Leuchtmitteln gegenüberliegenden Reflektoren, Bausatz und Reflektor hierfür
DE102019118285A1 (de) * 2019-07-05 2021-01-07 Siteco Gmbh Leuchte mit adaptiver LVK

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008009797U1 (de) 2008-07-03 2008-10-16 2K Moxa Lighting Gmbh LED-basierender Beleuchtungskörper

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7578605B1 (en) * 2006-09-06 2009-08-25 Patrick Stuart Mullins Light shaping reflector system and method of manufacture and use

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008009797U1 (de) 2008-07-03 2008-10-16 2K Moxa Lighting Gmbh LED-basierender Beleuchtungskörper

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013056985A1 (fr) 2011-10-17 2013-04-25 Heper Moonlight Europe Gmbh Luminaire
EP2808601A3 (fr) * 2013-05-31 2015-01-14 BöSha Technische Produkte GmbH & Co. KG Corps d'éclairage d'une lampe, notamment d'un lampadaire, et lampe dotée d'au moins un corps d'éclairage
EP2902699A1 (fr) 2014-01-31 2015-08-05 Siteco Beleuchtungstechnik GmbH Unité d'éclairage pour des éclairages en forme de lanterne
DE102014101242A1 (de) 2014-01-31 2015-08-06 Siteco Beleuchtungstechnik Gmbh Lichteinheit für laternenförmige Leuchte
DE102014101242B4 (de) 2014-01-31 2020-07-09 Siteco Gmbh Lichteinheit für laternenförmige Leuchte
EP3006824A1 (fr) 2014-10-08 2016-04-13 Siteco Beleuchtungstechnik GmbH Éclairage et clip de fixation
DE102014114625A1 (de) 2014-10-08 2016-04-14 Siteco Beleuchtungstechnik Gmbh Leuchte mit Halteclip
DE102014114625B4 (de) 2014-10-08 2018-10-18 Siteco Beleuchtungstechnik Gmbh Leuchte mit Halteclip
EP3650747A1 (fr) * 2018-11-09 2020-05-13 Nichia Corporation Dispositif optique et dispositif d'éclairage

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Publication number Publication date
EP2360427B1 (fr) 2013-07-03
DE102010007774A1 (de) 2011-08-18
EP2360427A3 (fr) 2012-08-22

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