EP3557130A1 - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
EP3557130A1
EP3557130A1 EP19169931.3A EP19169931A EP3557130A1 EP 3557130 A1 EP3557130 A1 EP 3557130A1 EP 19169931 A EP19169931 A EP 19169931A EP 3557130 A1 EP3557130 A1 EP 3557130A1
Authority
EP
European Patent Office
Prior art keywords
led
luminaire
leds
panels
led panel
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.)
Pending
Application number
EP19169931.3A
Other languages
German (de)
English (en)
Inventor
Jürgen Nölle
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.)
Powermoon GmbH
Original Assignee
Powermoon 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 Powermoon GmbH filed Critical Powermoon GmbH
Publication of EP3557130A1 publication Critical patent/EP3557130A1/fr
Pending legal-status Critical Current

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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
    • F21V31/00—Gas-tight or water-tight arrangements
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/007—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for shipment or storage
    • 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
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • 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
    • 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
    • F21Y2113/00—Combination of 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • F21Y2113/17—Combination of light sources of different colours comprising an assembly of point-like light sources forming a single encapsulated light source
    • 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 relates to a lamp, in particular as a table, camping, work, party or garden light, comprising at least one holder, a supply voltage connection and a fastening element for at least one LED light.
  • Luminaires are offered in a variety of forms, for example, as interior lights in the form of ceiling-mounted or wall-mounted lights, which usually provide a connection option for the supply voltage and receive one or more bulbs that are surrounded by either consisting of glass, ceramic or plastic lampshade or have a frame with fabric cover.
  • many recessed lights are used indoors, which are embedded either in a wall or in a ceiling.
  • luminaires In the outdoor area also a wide variety of housing forms are offered for luminaires, which may for example consist of metal, plastic or glass. These are mainly wall lights, possibly also recessed lights for a roof overhang or garden lights that are flush with the ground or used as floor lamps. With the exception of floor lamps, all of the above luminaires are intended for permanent installation and must comply with the relevant outdoor humidity regulations. As far as fixed luminaires are concerned, they are not transportable and as far as table lamps or the like are concerned, they are generally very voluminous and have a disturbing effect on existing table decoration.
  • the present invention has for its object to show a novel lamp, which is characterized by a simple structure, a high Has flexibility for outdoor use and provides adequate protection against moisture by using low voltage.
  • a lamp which consists of at least one LED panel, which is articulated movably on a fastening element.
  • an LED light can be used outdoors to operate with a low voltage and, in addition, if it consists of an LED panel, it can be adapted extremely flexibly to the necessary lighting requirements.
  • the movable articulation of an LED panel to a fastener in this case allows the alignment of the LED lamp in a desired direction and a quick reorientation, if desired.
  • the fastener itself is connected to a bracket which fixes the LED lamp in the desired position.
  • the LED light can thus be used, for example, as an indirect light for light emission in the garden area. It is also possible to fix the lamp in an elevated position and illuminate certain areas of a terrace, a balcony, a table or a workplace. It is also possible to use the LED light in the camping area or as a party and garden lamp.
  • the fastener used in this case allows the inclusion of an even or odd number of LED panels, so that a variety of LED panels can be used and the light intensity is increased in this way.
  • a single panel but also two, three or more panels can be used.
  • the at least one LED panel is fastened at the level of the holder, so that the light can be emitted downwards, but not exclusively.
  • the at least one LED panel can be acted upon via a plug connection with a supply voltage, wherein usually a transformer or a battery with a DC output of 12 volts is sufficient.
  • LEDs in RGB colors can be arranged on an LED panel so that either red, green or blue colors are produced or a color mixture with different color variants is possible.
  • a single or multiple LED panels are dimmable or controlled by a controller, preferably GMX control, in order to achieve in this way different lighting effects.
  • a plurality of panels are formed collapsible or the LED panels are connected via a releasable mounting clip with a mounting bracket, so that the lamp can be easily disassembled.
  • at least one LED panel or several are pivotable about a horizontal axis, wherein the LED panels can be pivoted independently of each other.
  • the fastening element consists of a gusset plate, which has a central portion, starting from the star-shaped tabs are integrally formed, with the LED panels are attachable to the free ends of the tabs and the LED panels to this Purpose rear side receiving elements.
  • a gusset plate allows the arrangement of a plurality of spaced LED panels, which preferably emit light in one direction.
  • they may be gusset plates that receive one, two or more LED panels, depending on how many tabs are integrally formed on the gusset plate.
  • the LED panels themselves have on their back of recording elements, which may for example consist of a bracket, which is connected to the back of the LED panels, so that the tabs can engage in the bracket. Or it can be formed a receiving pocket into which the tabs are inserted.
  • There is thus a pluggable connection which allows a change of light conditions at any time.
  • the tabs can have sufficient flexibility, so that a rotation of the individual LED panels relative to the gusset plate is possible.
  • the fastening element consists of individual tabs, which are pivotally mounted about a pivot point, in turn, the LED panels are plugged onto the free ends of the tabs and the LED panels for this purpose have rear receiving elements.
  • the tabs used in this case are attached at one end to each other in a pivot point, in the form that a rotational movement of up to 360 degrees is possible, so that the tabs can be unfolded like a fan.
  • the individual tabs can rotate against each other, with several detent steps can be provided so that the tabs can be aligned at a certain angle to each other, for example 45, 90, 60th or 120 degrees depending on how many LED panels are used.
  • the free ends of the tabs are in turn used to lecturstecken the LED panels, so easy assembly and disassembly is possible and in particular a faster construction of the lamp is guaranteed.
  • the LED panels here are like the gusset plate equipped on the back with mounting elements, in which the tabs can be inserted.
  • the fastening element consists of individual tabs, which are each connected to an LED panel and a plurality of tabs are rotatably supported by a bolt.
  • the fastening element consists of a square bracket on which the LED panels are held by means of fastening clips.
  • the use of a bracket makes it possible to attach single or multiple LED panels to the bracket using mounting clips.
  • the bracket may have a rectangular shape, a triangular shape, a square shape or a polygonal shape, wherein the bracket is dimensioned so large that each on a single side edge, an LED panel can be fixed by means of fastening clips.
  • the maximum number of LED panels is determined by the number of side edges.
  • the bracket here has a central part, which is approximately star-shaped and mounted centrally within the bracket and is provided for mounting the lamp to the holder.
  • the bracket itself preferably consists of a tripod or a rod, on which the gusset plate, the pivotable tabs or the middle part of the bracket can be placed and locked.
  • the holder is telescopically pulled apart and in the upper part a kinking is possible, so that a special orientation of the individual LED panels is possible.
  • a further object of the present invention is to provide an LED panel which can be made available in a small-sized flat form and avoids overheating of the individual LEDs.
  • the LEDs are arranged on a support element as a heat sink in rows, wherein between the Rows and LEDs a distance of 4 to 15 mm, preferably 5 to 6 mm between the LEDs and 8 to 10 mm between the rows.
  • the carrier element which is also designed as a heat sink is only selectively temperature-loaded. The resulting temperature due to the switched-on LEDs is dissipated as radiation heat at the same time to a sufficient extent, without resulting in a negative influence on the adjacent LEDs.
  • a flat cooling plate made of metal is therefore sufficient.
  • the carrier material is in this case made of thermally conductive material, such as copper or aluminum.
  • the carrier element consists of a zigzag-shaped bent heat-conducting material.
  • a zigzag-shaped form of the carrier element provides an approximately equal cooling capacity, but allows the number of LEDs used on the carrier element to increase significantly, so that a larger amount of light can be emitted.
  • an insulating layer is first applied to the carrier element, either in the form of a flat material or a zig-zag-shaped material, whereupon the LEDs are subsequently arranged at a corresponding distance from each other.
  • the LEDs are connected to each other with electrically conductive connections and to a connection element for a supply voltage, so that all LEDs can be charged.
  • the LEDs are embedded in a gel layer, which at the same time forms a firm connection with the carrier element, so that there is sufficient protection for the LEDs against moisture and, moreover, insensitivity to shock and vibration. It is also possible to apply a colored gel layer in order to influence the emitted color.
  • the LEDs are shining This usually white light from which is used to excite the gel layer whose atoms or electrons by absorption of photons and emissions in another frequency range allows a color change.
  • FIG. 1 shows in a plan view of an LED panels 1, the construction of a lamp, especially as a table, camping, work, party or garden light can be used.
  • the LED panel 1 consists of a rectangular support element 2, which is preferably made of a metal, in particular of aluminum or copper. After applying a protective layer are arranged on this single LED 3 in parallel rows, wherein the distance of each LED 3 with respect to the adjacent LEDs 3 has been selected so that the heat generated can be delivered evenly to the support member 2 and no mutual heat influence the LEDS 3 takes place.
  • the distance of the LEDs 3 is in this case optimized so that the heat can be discharged directly into the carrier element 2 and from this to the environment. All LEDs 3 are embedded in a gel layer 4, which protects the LEDs 3 from destruction and also provides moisture protection.
  • the LEDs 3 are connected to the support member 2 above the insulating electrically conductive in such a way that all LEDs 3 may also be applied in groups at the same time via a connecting cable 5 with voltage.
  • a connecting cable 5 with voltage For this purpose, in the embodiment shown are not visible thin electrical connecting wires on the insulating layer which are led to the connection cable 5.
  • the carrier element 2 consists of a thermally conductive material, thus the heat of all LEDs 3 can be reliably dissipated and in particular radiated over the back surface of the support member 2.
  • the embodiment shown consists of a planar support member 2, but readily there is the possibility that the support member 2 is bent in a zigzag shape and also consists of a thermally conductive material.
  • zig-zag-shaped arrangement of the support member 2 it is possible to provide a higher number of LEDs 3 with the same external dimensions, in order to increase the light intensity in this way. Due to the zigzag-shaped folding of the support member 2 is still a sufficient possibility to radiate the heat to the rear.
  • the gel layer 4 can to achieve a specific color temperature additionally be colored, so that the emitted white light of the LEDs 3 can be changed.
  • FIG. 2 shows in a plan view a plurality of LED panels 1, as they are made FIG. 1 are known in a superimposed form, which was fanned out in the second part of the figure. All the individual LED panels 1 can be used as fanning 10 after fanning.
  • An LED panel 1 in this case consists of the support element 2 with individual LEDs 3 and a gel layer 4.
  • the LED panels 1 each have a tab 11, which are connected by a bolt 12 pivotally connected to each other.
  • a total of five LED panels 1 are arranged one above the other, while in the right figure they are fanned out and thus give a nearly star-shaped arrangement.
  • a fanned luminaire 10 can be used, for example, as a garden light, etc.
  • the bolt 12 serves in this case at the same time for attachment to a tripod, a wall or similar mounting options.
  • Each individual LED panel 1 is connected via a connecting cable 5 with a supply voltage, not shown, wherein the individual connection cable 5 may have a common connector.
  • FIG. 3 shows in a plan view an alternative embodiment of an LED panel 15, opposite to the FIG. 1 has an approximately triangular shape, wherein the outwardly facing edge is bent.
  • the LED panel 15 consists of a support member 16 and individual LEDs 17 and a gel mass 18 in which the LEDs 17 are embedded.
  • the individual LED panels 15 are pivotally connected to each other, wherein the screw 19 can be used not only to connect the individual LED panels 15, but also for attachment to a tripod or the like.
  • the individual LED panels 15 can be twisted fan-shaped. In the unused state, the LED panels 15 lie one above the other, so that a small shape is present, while fanning the individual LED panels 15, a large luminous area is achieved.
  • driver 21 In order to ensure a uniform fanning of the individual LED panels 15, they have on the outer circumference 25 a driver 21 and a pin 22.
  • the driver 21 is in this case angled downward in the plane of the underlying LED panels 15, wherein the individual LED Panels 15 are arranged offset in depth to each other and when fanning the driver 21 via the pin 22 in each case the underlying LED panels 15 entrains and thus creates a round light, as shown in the FIG. 4 is shown.
  • FIG. 4 shows in two plan views and an enlarged view of the LED panels 15, in a left figure, a plurality of LED panels 15 which are arranged one above the other and only one fanned, the driver 21 during further pivoting of the LED panels 15, the pin 22nd entrains and thus the entire arrangement consisting of several LED panels 15 fanned circular.
  • the arrangement of the LED panels 15 can be seen after fanning out, wherein a respective driver 21 entrains the pin 22 of the underlying LED panel 15 in each case, so that a fanning of all the LED panels 15 is ensured.
  • the collapsed state of the LED panels 15 is thus also a handy easy to transport light, which fanned with ease of use and can also be brought together again.
  • Each individual LED panel 15 has on an outer circumference 25 a driver 21 and circumferentially distributed on a pin 22, so that each of the overhead LED panel 15, the underlying LED panel 15 entrains until the full circle is reached.
  • FIG. 5 shows in a plan view and enlarged view again the representation FIG. 4 in the form of a lamp 20, which consists of the individual LED panels 15.
  • FIG. 6 shows by way of example in a side view a lamp 30, consisting of a fanned LED lamp 20 with a tripod 31.
  • the tripod 31 is connected to the vertical strut 32 directly to the screw 19 of the LED panel 15 and further has a tripod 33 for Installation on a level floor surface.
  • the lamp 30 with tripod 31 is here to be regarded as exemplary only, because the fanned LED panels 15 can be used without difficulty in a hanging version or a wall version.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP19169931.3A 2018-04-19 2019-04-17 Luminaire Pending EP3557130A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018002012.5U DE202018002012U1 (de) 2018-04-19 2018-04-19 Leuchte

Publications (1)

Publication Number Publication Date
EP3557130A1 true EP3557130A1 (fr) 2019-10-23

Family

ID=63112362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19169931.3A Pending EP3557130A1 (fr) 2018-04-19 2019-04-17 Luminaire

Country Status (4)

Country Link
US (1) US10753592B2 (fr)
EP (1) EP3557130A1 (fr)
CA (1) CA3040386C (fr)
DE (1) DE202018002012U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11255515B2 (en) * 2020-04-02 2022-02-22 Mammoth Lighting LLC Foldable light fixture for indoor horticulture

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100277914A1 (en) * 2009-05-01 2010-11-04 Bernhard Bachl Lighting Apparatus with Several Light Units Arranged in a Heatsink
US20110075421A1 (en) * 2009-09-29 2011-03-31 Liang Meng Plastic Share Co., Ltd. Illuminating device and method for manufacturing the same
CN102221183A (zh) * 2011-03-31 2011-10-19 深圳市裕富照明有限公司 Led扇形折叠灯
WO2015073508A1 (fr) * 2013-11-15 2015-05-21 Cree, Inc Appareil luminescent multicouche à semi-conducteurs
CN204403905U (zh) * 2015-01-07 2015-06-17 浙江大学 一种扇形可取放的led灯
WO2017147373A1 (fr) * 2016-02-26 2017-08-31 OLEDWorks LLC Connexion électrique amovible pour modules d'éclairage plats

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Publication number Priority date Publication date Assignee Title
TW201018822A (en) * 2008-11-10 2010-05-16 Everlight Electronics Co Ltd Illumination device and light emitting diode module
DE102010008788A1 (de) * 2010-02-22 2011-08-25 benwirth licht e. K., 80636 Modulares Beleuchtungssystem mit einer Vielzahl von Beleuchtungsmodulen
CN201836734U (zh) * 2010-10-18 2011-05-18 浙江大学 新型调光台灯
US8680544B2 (en) * 2011-11-30 2014-03-25 Tsmc Solid State Lighting Ltd. Cost-effective LED lighting instrument with good light output uniformity
CN104075148A (zh) * 2013-03-29 2014-10-01 海洋王照明科技股份有限公司 Oled灯具
CN104078319A (zh) * 2013-03-29 2014-10-01 海洋王照明科技股份有限公司 一种场发射折叠灯
CN108916701A (zh) * 2018-09-25 2018-11-30 内蒙古聚能节能服务有限公司 一种可展开扇形结构台灯

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100277914A1 (en) * 2009-05-01 2010-11-04 Bernhard Bachl Lighting Apparatus with Several Light Units Arranged in a Heatsink
US20110075421A1 (en) * 2009-09-29 2011-03-31 Liang Meng Plastic Share Co., Ltd. Illuminating device and method for manufacturing the same
CN102221183A (zh) * 2011-03-31 2011-10-19 深圳市裕富照明有限公司 Led扇形折叠灯
WO2015073508A1 (fr) * 2013-11-15 2015-05-21 Cree, Inc Appareil luminescent multicouche à semi-conducteurs
CN204403905U (zh) * 2015-01-07 2015-06-17 浙江大学 一种扇形可取放的led灯
WO2017147373A1 (fr) * 2016-02-26 2017-08-31 OLEDWorks LLC Connexion électrique amovible pour modules d'éclairage plats

Also Published As

Publication number Publication date
DE202018002012U1 (de) 2018-07-22
CA3040386C (fr) 2023-09-12
US10753592B2 (en) 2020-08-25
CA3040386A1 (fr) 2019-10-19
US20190323698A1 (en) 2019-10-24

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