EP3686480A1 - Agencement d'émission de lumière ayant des caractéristiques de faisceau lumineux modifiables - Google Patents

Agencement d'émission de lumière ayant des caractéristiques de faisceau lumineux modifiables Download PDF

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Publication number
EP3686480A1
EP3686480A1 EP20153311.4A EP20153311A EP3686480A1 EP 3686480 A1 EP3686480 A1 EP 3686480A1 EP 20153311 A EP20153311 A EP 20153311A EP 3686480 A1 EP3686480 A1 EP 3686480A1
Authority
EP
European Patent Office
Prior art keywords
leds
cover
light
arrangement
light emission
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
EP20153311.4A
Other languages
German (de)
English (en)
Other versions
EP3686480B1 (fr
Inventor
Thibaut Escourrou
Dipl.-Ing. Michael Krajnjona
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
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 Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP3686480A1 publication Critical patent/EP3686480A1/fr
Application granted granted Critical
Publication of EP3686480B1 publication Critical patent/EP3686480B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/005—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with keying means, i.e. for enabling the assembling of component parts in distinctive positions, e.g. for preventing wrong mounting
    • 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
    • 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
    • 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
    • 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
    • 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
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • 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
    • F21V17/16—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 by deformation of parts; Snap action mounting
    • F21V17/164—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 by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • 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
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/407—Lighting for industrial, commercial, recreational or military use for indoor arenas
    • 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
    • F21Y2105/10—Planar light sources comprising a two-dimensional 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
    • F21Y2105/16—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
    • 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
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
    • F21Y2105/18—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array annular; polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
    • 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 arrangement for light emission, which has a plurality of LEDs and a cover associated with the LEDs with optical elements. It should be possible to adapt the light emission properties to the arrangement.
  • Luminaires are known in different embodiments and, depending on their design, offer different options for influencing the light output.
  • the illuminants which are generally designed as LEDs, are controlled in a suitable manner with the aid of a corresponding control device in order to emit a total of mixed light with the desired intensity and / or a desired color location.
  • adjustable lamps are often used.
  • adjustable or pivotable spots with which the light can be directed in a specific direction.
  • LED arrangements which have a large number of LEDs are usually used as the illuminant in the meantime. These LEDs, which are often arranged in matrix form, generate a very large amount of light and are accordingly usually used with one Coupled heat sink in order to be able to efficiently dissipate the heat occurring during the operation of the lamps.
  • Appropriate optics are then assigned to the LEDs, via which the light is influenced in a certain way. If light emission in a certain direction or in a certain angular range is to be achieved, then a suitable lens must be used. It would be conceivable, in turn, to influence the light output in the desired manner by means of additional attachments. As a rule, however, such reflective attachments adversely affect the appearance of the lamp, so that it should ideally be avoided.
  • the object of the present invention is to offer a possibility of being able to influence the light emission in a simple manner in the case of lamps of the type described above.
  • the solution according to the invention consists in designing a cover assigned to the LEDs, which has integrated optical elements, in such a way that asymmetrical light emission is effected, it being possible to attach the cover to a support for the LEDs in at least two different positions. Depending on the orientation or position of the cover, the light emitted by the LEDs can then be directed in a desired direction, so that the possibility is opened to influence the direction of light emitted by a luminaire in a simple manner without affecting its appearance.
  • an arrangement for light emission which has a plurality of LEDs which are arranged distributed on a carrier in a common plane. Furthermore, a cover covering the LEDs is provided, which at least partially consists of a translucent material and which integrally has a plurality of optical elements assigned to the LEDs, the cover influencing the light emitted by the LEDs in such a way that one is perpendicular to the plane of the LED standing axis an asymmetrical light emission is effected, and wherein the cover can be attached to the support for the LEDs in at least two positions and completely covers the LEDs in each position.
  • the prerequisite for the present invention is therefore first of all that the cover effects an asymmetrical light emission overall.
  • the direction of light emission can then be set in the desired manner.
  • a luminaire has several corresponding arrangements for emitting light, there is also the possibility, in addition, of again achieving symmetrical light emission, but in this case, for example, adjusting the opening angle for the total light emitted by the luminaire. This can influence the light output in different ways.
  • optical elements of the cover according to the invention are preferably formed by lenses, wherein these optical elements can all be of identical design according to a first exemplary embodiment.
  • optical elements of the cover there is also the possibility of designing the optical elements of the cover differently, but ultimately there is overall an asymmetrical light output.
  • the cover itself can consist of a single translucent material.
  • an embodiment would also be conceivable in which only the optical elements or the lenses consist of the translucent material and further areas of the cover consist of an opaque or, for example, a translucent but light-scattering material.
  • each position of the cover one LED is assigned to the optical element. It is essential here that the light from all LEDs can actually be used in a meaningful manner for the light emission in any position of the cover. However, it can also happen that a large number of optical elements are present and only some of the optical elements are actually used depending on the respective position of the cover.
  • the LEDs are preferably arranged evenly distributed on the carrier. You can form a rectangular or square arrangement. A uniformly polygonal arrangement would also be conceivable, which then enables more than two different positions for arranging the cover on the carrier.
  • the cover itself can preferably be fastened to the carrier without tools, in particular can be latched thereto.
  • a lamp which has an arrangement for emitting light as described above.
  • the lamp can also have a heat sink, which forms the support for the LEDs, in which case the cover can be fastened to the heat sink or to a housing of the lamp.
  • the luminaire according to the invention has several of the above-described arrangements for emitting light. In particular in the event that two arrangements are provided, it is preferably provided that these are arranged symmetrically with respect to one another with respect to a longitudinal axis of the lamp.
  • Figure 1 shows, as an application example for the concept according to the invention, a lamp which is generally provided with the reference symbol 100 and is designed as a so-called high bay lamp.
  • Luminaires of this type are predominantly used in industrial and / or hall lighting and are accordingly designed to emit a very high amount of light. They are usually in relatively high rooms and should illuminate a larger, underlying area of the room with high intensity.
  • the concept according to the invention is not limited to corresponding high bay lamps and does not necessarily have to be used for lamps which have two or more arrangements according to the invention for emitting light.
  • luminaires according to the invention would also be conceivable, in which only a single arrangement for emitting light, which is designed as described in more detail below, is used.
  • the lamp 100 shown thus has two arrangements for emitting light 10, which are arranged in a trapezoidal lamp housing and are arranged symmetrically on both sides with respect to a longitudinal axis L of the lamp 100. These initially consist of lamps in the form of an LED arrangement 15 and a cover 20 assigned to the LED arrangement 15.
  • the LED arrangement 15 consists of a large number of individual LEDs 16 which are on a rectangular circuit board 17 and thus in a common one Level are arranged.
  • the circuit board 17 rests on a housing part designed as a heat sink, which serves as a carrier for the illuminants 15 and is designed such that the heat occurring during the operation of the illuminants 15 can be dissipated efficiently.
  • the illustrations of the lamp 100 show that corresponding cooling fins are formed on the outer circumference of the lamp housing, with the aid of which a corresponding heat exchange is carried out.
  • further measures by means of which an optimized heat dissipation is achieved are not to be explained in more detail below, since they are not a direct part of the invention.
  • the light emitted by the LEDs 16 is influenced using the cover 20 already mentioned.
  • the cover 20 is formed by a rectangular element, the dimensions of which essentially correspond to the dimensions of the LED board 17.
  • a central region 21 of the cover 20 is in this case formed with an arrangement of optical elements, which are designed as lenses 22 in the exemplary embodiment shown.
  • a frame-like region 24 of the cover 20 surrounding the central region 21 can here, just like the central region 21 with the lenses 22 consist of a translucent material.
  • this frame-like circumferential region 24 from a different material, for example from an opaque material.
  • a light-scattering configuration of this frame-like region 24 would also be conceivable, so that the frame appears diffusely brightened if this is desired.
  • the cover 20 is preferably designed as a one-piece element and can be produced, for example, in the context of a two-component injection molding process. It would also be conceivable to first create the central region 21 in a first step and then to extrusion-coat this region 21 with a second material in order to form the frame-like region 24.
  • the cover 20 itself should be detachably mountable on the lamp 100.
  • a plurality of latching arms 26 formed laterally on the outer circumference of the cover 20, which latch into corresponding recesses in the heat sink of the lamp 100.
  • the design is preferably such that the cover 20 can be locked with the lamp 100 without tools, but an aid, for example in the form of a screwdriver, is required to release the locking.
  • a suitable sealing ring 18 can also be provided on the cover 20 or the heat sink, so that when the cover 20 is locked, it covers the LEDs 16 in a completely sealing manner and accordingly protects them from external influences, in particular from dust and / or moisture.
  • a special feature of the cover 20 is that the optical elements 22 are designed in such a way that asymmetrical light emission is achieved by the cover 20.
  • the lenses 22 of the cover 20 are not rotationally symmetrical. Instead, in the exemplary embodiment shown, the left side of the lenses 22 in the illustration is rounded, while the opposite right side of the lenses 22 is rather flattened.
  • This special design of the dome-like lenses 22 leads to the fact that they preferably emit the light of the associated LED 16 to the left.
  • all lenses 22 of the cover 20 are of identical design and thus each cause asymmetrical light emission to the left. However, this is not absolutely necessary. It would also be conceivable that the lenses of the cover 20 are not all identical and each influence light in a different way. Overall, however, the cover 20 should emit light asymmetrically in a preferred direction, this preferred direction of the light output being identified by a corresponding marking 28 on the frame-like peripheral region 24. On the basis of the marking 28, the direction in which the light 20 is emitted by the cover 20 can thus be recognized immediately.
  • Figure 3a first shows the lamp according to Figure 1 with two covers 20 (the individual lenses were not shown here), which are arranged in the same direction on the lamp 100, in such a way that, according to the illustration, light is emitted predominantly to the left side. In this way, a light emission is achieved, as schematically shown in Figure 3b is shown. Both covers 20 thus effect an asymmetrical light emission to the left with respect to a perpendicular I to the level of the LEDs.
  • Such an embodiment can be used, for example, when the lamp 100 is arranged in the edge region of a room to be illuminated or a hall to be illuminated and in particular is also to be used to illuminate a wall region lying to the left below the lamp 100.
  • the orientation of the covers 20 can be selected, as shown in FIG Figure 4a is shown. Both covers 20 are now arranged in opposite directions on the luminaire 100, in each case in such a way that they emit light from their side further downwards.
  • the light output corresponds to the scheme in Figure 4b , whereby it can be seen that overall a symmetrical light emission - in relation to a Center level of the lamp 100 - is achieved with a wide opening angle. If, however, the orientation of both covers 20 is interchanged, a light emission is achieved, as shown in FIG Figure 4c is shown.
  • the invention is also not limited to the exemplary embodiment shown, in which the cover is rectangular and can accordingly be attached to the carrier for the LEDs in two different orientations.
  • a square arrangement of the LEDs and thus a square configuration of the cover would also be conceivable, for example. In this case, the cover could then be attached in four different orientations with respect to the LEDs.
  • polygonal designs with regard to the LED arrangement or the cover would also be conceivable, the number of possible arrangements for the cover then increasing accordingly. It is essential that the light of all LEDs is used accordingly in every possible position of the cover and thus an optical element of the cover is assigned to each LED. However, it would possibly be conceivable that the number of optical elements the cover is larger than the number of LEDs and, accordingly, individual optical elements are not used in certain rotational positions.
  • optical elements need not necessarily be lenses.
  • the solution according to the invention can be used to influence the light emission properties of a luminaire in a simple manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
EP20153311.4A 2019-01-24 2020-01-23 Agencement d'émission de lumière ayant des caractéristiques de faisceau lumineux modifiables Active EP3686480B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202019100380.4U DE202019100380U1 (de) 2019-01-24 2019-01-24 Anordnung zur Lichtabgabe mit veränderbarer Lichtabstrahlcharakteristik

Publications (2)

Publication Number Publication Date
EP3686480A1 true EP3686480A1 (fr) 2020-07-29
EP3686480B1 EP3686480B1 (fr) 2022-06-08

Family

ID=69190645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20153311.4A Active EP3686480B1 (fr) 2019-01-24 2020-01-23 Agencement d'émission de lumière ayant des caractéristiques de faisceau lumineux modifiables

Country Status (3)

Country Link
EP (1) EP3686480B1 (fr)
AT (1) AT18042U1 (fr)
DE (1) DE202019100380U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023118506A1 (fr) * 2021-12-22 2023-06-29 Schreder S.A. Procédé mis en œuvre par ordinateur permettant la conception d'une unité optique pour un luminaire et procédé de production associé

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014086770A1 (fr) * 2012-12-04 2014-06-12 Zumtobel Lighting Gmbh Appareil d'éclairage pourvu de surfaces de guidage d'air
DE102013104240A1 (de) * 2013-04-26 2014-10-30 R. Stahl Schaltgeräte GmbH Explosionsgeschützte Anordnung elektrischer und/oder elektronischer Bauelemente
US20160084481A1 (en) * 2014-09-24 2016-03-24 Hubbell Incorporated Rotatable single piece optical array

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008019944A1 (de) * 2008-04-21 2009-10-29 Christian Bartenbach Tunnelleuchte sowie Tunnelbeleuchtungssystem mit einer Vielzahl solcher Tunnelleuchten
DE102009029839A1 (de) * 2009-04-03 2010-10-07 Osram Opto Semiconductors Gmbh Leuchtmittel und Lampe mit einem solchen Leuchtmittel
US8974077B2 (en) * 2012-07-30 2015-03-10 Ultravision Technologies, Llc Heat sink for LED light source
ES2691796T3 (es) * 2014-03-28 2018-11-28 Swarco Futurit Verkehrssignalsysteme Ges.M.B.H. Luminarias con radiación luminosa asimétrica

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014086770A1 (fr) * 2012-12-04 2014-06-12 Zumtobel Lighting Gmbh Appareil d'éclairage pourvu de surfaces de guidage d'air
DE102013104240A1 (de) * 2013-04-26 2014-10-30 R. Stahl Schaltgeräte GmbH Explosionsgeschützte Anordnung elektrischer und/oder elektronischer Bauelemente
US20160084481A1 (en) * 2014-09-24 2016-03-24 Hubbell Incorporated Rotatable single piece optical array

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023118506A1 (fr) * 2021-12-22 2023-06-29 Schreder S.A. Procédé mis en œuvre par ordinateur permettant la conception d'une unité optique pour un luminaire et procédé de production associé
NL2030243B1 (en) * 2021-12-22 2023-06-29 Schreder Sa Computer-implemented method for designing an optical unit for a luminaire, and associated production method

Also Published As

Publication number Publication date
AT18042U1 (de) 2023-11-15
EP3686480B1 (fr) 2022-06-08
DE202019100380U1 (de) 2020-04-27

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