WO2011054853A1 - Lampe à led et unité d'éclairage employant cette lampe - Google Patents

Lampe à led et unité d'éclairage employant cette lampe Download PDF

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Publication number
WO2011054853A1
WO2011054853A1 PCT/EP2010/066717 EP2010066717W WO2011054853A1 WO 2011054853 A1 WO2011054853 A1 WO 2011054853A1 EP 2010066717 W EP2010066717 W EP 2010066717W WO 2011054853 A1 WO2011054853 A1 WO 2011054853A1
Authority
WO
WIPO (PCT)
Prior art keywords
reflector
heat sink
led lamp
lighting unit
light source
Prior art date
Application number
PCT/EP2010/066717
Other languages
German (de)
English (en)
Inventor
Klaus Schmidt
Original Assignee
Lightdesign Solutions 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 Lightdesign Solutions Gmbh filed Critical Lightdesign Solutions Gmbh
Publication of WO2011054853A1 publication Critical patent/WO2011054853A1/fr

Links

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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • 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
    • 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
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • 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
    • F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
    • 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
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • 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
    • F21V7/06—Optical design with parabolic curvature
    • 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
    • F21V7/0008—Reflectors for light sources providing for indirect 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
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • 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
    • 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
    • F21W2131/105—Outdoor lighting of arenas or the like
    • 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 lighting unit with LED lamp for a stationary luminaire for illuminating a larger area, such as e.g. in the street space.
  • LED lamp comprises at least one light source which is disposed at least approximately at the optical center of a molded in the manner of a parabolic reflector of the lighting ⁇ unit, so that the main beam direction of the light reflected from the reflector light of the light source in the
  • the invention equally relates to an LED lamp of such a lighting unit, which has at least one LED as the light source.
  • the heat generated by the light source is dissipated by a heat sink having a support surface for heat-transferring attachment of the light source.
  • LEDs arranged approximately in the optical center of a parabolaptaptase is arranged such that the main beam direction of the reflector
  • reflected light is substantially parallel to the optical axis of the reflector.
  • the light passes through a lens disc, so that it hits the surface to be illuminated glare-free.
  • high-performance LEDs which ensure a very high light output with minimal space requirements and a high efficiency of about 90%, are used for street lighting.
  • the technical problem of dissipating the heat associated with the generation of light must be solved. This problem is especially true then
  • the invention has for its object to provide a lighting ⁇ unit of the type mentioned in a sufficiently powerful design simple and inexpensive to produce while avoiding harmful overheating of the LED light source for glare-free lighting of roads and other public transport areas z.
  • a usable in a lighting unit LED lamp having a support surface as part of a support member of a heat sink and a foot of the heat sink for mounting the LED lamp in the lighting unit, wherein the support surface of the support member and an adjacent thereto surface of the foot ⁇ part are at an angle to each other and the transition between two surfaces runs steadily everywhere.
  • This LED lamp is so in a parabolic reflector of a
  • Reflector is located and the main beam direction of the
  • carrier element and foot part are always to each other so that the support surface and an adjacent surface of the foot are at an angle to each other.
  • the angle between the two said surfaces is preferably in the range between 90 ° and 135 °. This is perpendicular to the
  • Reflector standing or pyramidal support elements with two or more support surfaces possible.
  • additional Lichtleit bine can be achieved, which may be advantageous for certain requirements.
  • An adaptation of the reflection direction of the light of a light source arranged on such carrier surfaces, so that the described main beam direction of the illumination unit can be realized, can be determined by the position of the carrier surfaces and or the reflector form done.
  • the subdivision of the heat sink in the support member and foot realized for the first the heat transfer from the light source to the support member via the attachment of the light source on the support surface and further heat ⁇ dissipation in the foot due to the good heat conducting properties of the material of the heat sink.
  • a good heat-conducting material for example, a metal such as aluminum or copper may be used. Other, eg ceramic materials are usable.
  • the footprint is perpendicular to the plane of symmetry of the heat sink. Depending on the position of the support surfaces and the shape of the reflector, however, other orientations of the base are possible.
  • the described design of the heat sink offers in addition to the manufacturing and assembly technical advantage that the heat sink consists of one piece, also the functional advantage to ensure good cooling properties.
  • the transition from the carrier element to the foot has a significant influence the heat dissipation. It has surprisingly been found that the heat dissipation is significantly better when the transition between the support surface and an adjoining surface of the foot continuously runs continuously. Steady is to be understood that in the transition between the two surfaces no kink or crack is formed. Such a continuous transition is realized for example by a throat, which is formed from one or more merging radii. According to a preferred embodiment of the invention, a good heat dissipation is also realized by a one-piece design of the heat sink. In this way, disturbances in the heat dissipation are to be avoided by interfaces and a continuous heat conduction from the support surface to the base of the foot part of the heat sink possible.
  • a further improvement of the heat dissipation by the one-piece heat sink is achieved in that this from a continuous casting profile by machining such. Milling is made.
  • a heat sink is provided, the inner, produced by casting structure and associated thermal conductivity by dislocations due to compression or train was not or only minimally reduced.
  • Claim 3 wherein more than two diode carriers can be provided to obtain a greater light intensity.
  • Assembly unit forms. This allows easy access to the LED lamp for maintenance purposes, in particular to their
  • the structural mounting unit formed of LED lamp and reflector can be easily
  • the heat sink e.g. of the foot part to which the reflector can be fixed
  • the two reflector halves can be joined together at their ends by adapted halves of a parabolic reflector
  • Design of the lighting unit supported by a lenslet disc is releasably secured to the light exit side edge of the reflector. Such removable attachment of the lenslet to the edge of the reflector allows easy access to the light module (s) when replacement is required.
  • FIG. 1 is a mast light with a sectional Darge ⁇ presented lamp head.
  • FIG. 2 shows a lighting unit in side view;
  • Fig. 3 is a section 111-111 of Fig. 2;
  • Fig. 4 is a scatter lens disc in section
  • Fig. 5 is an end view V-V of Fig. 2;
  • FIG. 6 shows a cooling body with light modules mounted on two carrier surfaces in plan view
  • FIG. 7 shows the left side view VII from FIG. 6;
  • FIG. 10 shows the heat sink of FIG. 6 to FIG. 8 in SD representation
  • FIG. 14 is an elongated illumination unit in front view ⁇ XIV of Fig. 15;
  • Fig. 15 is a section XV-XV of Fig. 14 with stepped
  • 16 shows a 3D illustration of an elongate cooling body with two parallel support surfaces, on each of which a plurality of light modules are arranged;
  • FIG. 17 shows the illumination unit of FIGS. 14 and 15 without a lens plate in a 3D view.
  • a mast light 1 Darge ⁇ represents.
  • a lamp head 3 is fixed, in which a lighting unit 4 is housed with associated ballasts 5 and 6 and a diffuser lens 7 for illuminating a traffic area from about 5 m to 6 m height.
  • the illustrated and described lighting unit 4 is shown here with two light modules
  • the diode carrier 10 consists of a metal plate,
  • FIGS. 2 to 9 show two such diode carriers 10 or light modules 8, 9, which are fastened to opposite carrier surfaces 12 and 13 of a wall-like carrier element 16 of a heat sink 14 with a certain contact pressure.
  • screws 15 are provided here by way of example as pressing means 15, which are arranged in two diametrically opposite corners of the approximately square diode supports 10 and screwed to a support element 16 of the cooling body 14.
  • This support member 16 forms the support surfaces 12 and 13, where the diode support 10 with the light modules 8,
  • the fastening means could for example consist of resilient clamps or the like ..
  • the heatsink 14 includes a support member 16 and a foot ⁇ part 19.
  • the heat sink 14 in connection with the light sources 11, which in the exemplary embodiment as a light modules 8, 9 Mounted on diode carriers form the LED lamp ( Figures 6, 7, 8, 9, 16).
  • the wall-like support element 16 in FIGS. 3 and Fig. 5 to Fig. 10 is disposed in the vertical plane of symmetry 18 of the heat sink 14, so that their two plane ⁇ parallel outer surfaces 12, 13 symmetrically opposite with respect to this plane of symmetry 18.
  • the cooling body 14 is formed with its support surfaces 12 and 13 radially projecting cylindrical foot part 19 as a one-piece metal block, preferably made of aluminum.
  • the transitions from the support surfaces 12, 13 to the upper end face 27 of the foot part 19 are each formed as concave curves to allow a better heat transfer.
  • the foot part 19 is provided on the underside with a flat planar circular base surface 20 which is perpendicular to the
  • Symmetry plane 18 runs. With this footprint 20, the heat sink 14 is heat-transmitting on a metal
  • Mounting plate 21 is mounted inside the lamp head 3.
  • a réelleleitSchicht 17 may be mounted on the base 20.
  • the lighting unit 4 provided here also has a light-guiding device shaped in the manner of a parabolic mirror
  • Reflector 25 with an optical axis 26 This formed as a round shell body reflector 25 is provided with a cylindrical mounting collar 24 which is adapted to a cylindrical projection 23 of the heat sink 14 and secured thereto by means of screws. In this way, the reflector 25 forms together with the heat sink 14, a structural mounting unit, which as a whole in the
  • lens discs 7 are known per se.
  • the scattering lens 7 can directly on a Ringfalz, the light exit side final edge 29 of the
  • Reflector 25 forms, be attached. But it is also possible to attach this lens disc 7 by means of a flange 31 on a collar 30 of the lamp head 3. That this is a solvable
  • this is provided with at least two drilled, obliquely extending ducts 32 and 33 which extend between the lower lateral surface 19 'of the foot part and the upper, lying below the support surface 12 and 13 end face 27.
  • the drilled ducts 32, 33 not only facilitate the laying of the
  • FIG. 9 an embodiment of a heat sink 14 is shown in which the opposing support surfaces 12 and 13 of the support member 16 is not parallel extend to each other and the plane of symmetry 18, but together form an acute angle a, which may be about 5 ° to 10 °.
  • Such orientations of the support surfaces 12 and 13 may be used in conjunction with matched parabolic mirrors for other light distributions on the surface to be illuminated if required.
  • FIG. 11 Fig. 12 and Fig. 13 other execution ⁇ form of the heat sink 14 are provided.
  • the heat sink 14 of FIG. 11 is provided with a three-sided support member 16, which offers the possibility to attach to the three carrier ⁇ surfaces 36, 37 and 38 each light modules 8, 9.
  • the structure and arrangement of the heat sink 14 in the reflector 25 is at least approximately the same as the heat sink 14, so that reference is made in this regard to the above explanations.
  • FIG. 12 shows a heat sink 14 with a square carrier element 16, which has four carrier surfaces 41, 42, 43 and 44.
  • the support surfaces 36, 37, 38 and 41, 42, 43, 44 as in the above-described wall-type heat sink 14th
  • both illustrated carrier elements 16 are arranged in the manner of a regular polygon concentric to the axis of symmetry 18 of the heat sink 14 and to the optical axis 26 of the reflector 25 or can be.
  • Carrier element 16 may be provided, wherein the abutting edges of the support surfaces 51 to 57 lie on a circle and thus can form the sides of a regular hexagon. In the illustrated embodiment, however, the two opposing support surfaces 51 and 54 are wider than the remaining support surfaces 52, 53, 56, 57, respectively have shorter side lengths.
  • Embodiment as a further design option is ⁇ provided, in which a reflector 25 is provided, which consists of two equal length parabolic curved reflector halves 62, 63 which are symmetrical to a common
  • Symmetrieebene 61 are arranged and extend along this plane of symmetry 61. Here are the two
  • Reflector halves 62 and 63 at their ends by matched halves 64 and 65 of a paraboloidal shaped reflector gapless connected together so that they form the self-contained reflector 25, as shown in Figs. 14, Fig. 15 and Fig. 17.
  • the ends of the two elongate reflector halves 62 and 63 are indicated by dotted lines 66 and 66. Between these two lines 66 and 67 extends an elongated carrier element 16 of a heat sink 14, which is likewise provided with a laterally projecting foot part 19. As is apparent from Fig. 16, the ends of the foot part 19 are each provided with semicircular rounding.
  • the mutually plane-parallel side surfaces of the support element 16 each form a support surface 12 and 13, respectively.
  • the foot part of the heat sink 14 is also provided with a surface 23 having a ring ⁇ approach 23.
  • the heat sink 14 is shown in Fig. 16 as a single part standing on its base 20.
  • Fig. 16 the cable channels 33 are shown, through which the electrical connections 69 to the individual
  • Light modules 8, 9 are guided. By means of connecting lines 70, the light modules 8, 9 shown visibly in FIG. 16 are each connected to the light modules 8 arranged on the opposite support surface 12 in the form of a series connection.
  • the reflector lens 25 is also shown in sectional view to the lens 25 7, which can be fastened in a suitable manner to a circumferential annular fold on the light exit side edge 29 of the reflector 25.
  • the diffusing lens 7 can be arranged and fixed functionally in other ways.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne une lampe à LED destinée à être employée dans une unité d'éclairage. La lampe à LED comporte une LED en tant que source de lumière (11) et un corps de refroidissement (14) en matériau thermoconducteur destiné à dissiper la chaleur de la source de lumière (11). Le corps de refroidissement (14) comporte une face support (12, 13) sur laquelle la source de lumière (11) est fixée de façon thermoconductrice, la face support (12, 13) faisant partie d'un élément support (16) du corps de refroidissement (14). Le corps de refroidissement (14) comporte par ailleurs une partie pied (19) pour le montage de la lampe à LED dans une unité d'éclairage, la face support (12, 13) et une face adjacente de la partie pied (19) étant disposées à un angle l'une par rapport à l'autre et la transition entre les deux faces étant continue en tous points. Dans une unité d'éclairage, une telle lampe à LED est disposée de telle manière que sa source de lumière (11) se trouve au moins approximativement dans le centre optique d'un réflecteur (25) de type miroir parabolique et que la direction principale du faisceau de la lumière de la source de lumière (11), réfléchie par le réflecteur (25), est essentiellement parallèle à l'axe optique (26) du réflecteur (25).
PCT/EP2010/066717 2009-11-04 2010-11-03 Lampe à led et unité d'éclairage employant cette lampe WO2011054853A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009015012U DE202009015012U1 (de) 2009-11-04 2009-11-04 LED-Beleuchtungseinheit
DE202009015012.7 2009-11-04

Publications (1)

Publication Number Publication Date
WO2011054853A1 true WO2011054853A1 (fr) 2011-05-12

Family

ID=41501833

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2010/066717 WO2011054853A1 (fr) 2009-11-04 2010-11-03 Lampe à led et unité d'éclairage employant cette lampe
PCT/EP2010/006712 WO2011054508A1 (fr) 2009-11-04 2010-11-04 Élément luminescent à led

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/006712 WO2011054508A1 (fr) 2009-11-04 2010-11-04 Élément luminescent à led

Country Status (3)

Country Link
JP (1) JP2011100714A (fr)
DE (2) DE202009015012U1 (fr)
WO (2) WO2011054853A1 (fr)

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DE102010006767A1 (de) * 2010-02-04 2011-08-04 TRILUX GmbH & Co. KG, 59759 Beleuchtungseinheit und daraus aufgebaute Leuchte
DE102010002118A1 (de) * 2010-02-18 2011-08-18 Osram Gesellschaft mit beschränkter Haftung, 81543 LED-Beleuchtungsvorrichtung mit Konkavreflektor und Verfahren zum Betreiben dieser LED-Beleuchtungsvorrichtung
EP2636945B1 (fr) 2010-09-16 2015-09-02 LG Innotek Co., Ltd. Dispositif d'éclairage
WO2012056270A1 (fr) * 2010-10-28 2012-05-03 Iq Group Sdn Bhd Projecteur à diodes électroluminescentes amélioré
DE102011077415A1 (de) * 2011-06-10 2012-12-13 Trilux Gmbh & Co. Kg Außenleuchte mit Befestigungsvorrichtung zur Wärmeabfuhr
KR101894040B1 (ko) * 2011-12-06 2018-10-05 서울반도체 주식회사 엘이디 조명장치
JP6163703B2 (ja) * 2012-07-09 2017-07-19 スタンレー電気株式会社 車両用灯具及び車両
CN102829394A (zh) * 2012-08-08 2012-12-19 张铸志 防眩光的led路灯
JP6217093B2 (ja) * 2013-03-06 2017-10-25 岩崎電気株式会社 道路灯
CN105066027A (zh) * 2015-07-31 2015-11-18 上海环东光电科技股份有限公司 一种模组式led路灯
ITUB20156252A1 (it) * 2015-12-04 2017-06-04 Clay Paky Spa Dispositivo di illuminazione
US20170292690A1 (en) * 2016-04-06 2017-10-12 General Electric Company Heat dissipating reflectors for led luminaires

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EP2058580A1 (fr) * 2007-11-10 2009-05-13 Chuntlon Enterprise Co., Ltd. Lampe DEL à fort éclairage et faible consommation électrique

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US20030185005A1 (en) 2002-04-01 2003-10-02 Gelcore, Llc Light emitting diode-based signal light
US20030214810A1 (en) * 2002-05-17 2003-11-20 Zhang Long Bao Light source arrangement
EP1371901A2 (fr) * 2002-06-10 2003-12-17 Lumileds Lighting US, LLC Lampe avec source lumineuse DEL fixée axialement
EP1659337A1 (fr) * 2004-11-22 2006-05-24 Osram Sylvania, Inc. Lampe à diodes électroluminiscentes montées sur une tige conductrice de la chaleur et procédé pour sa fabrication
DE102007040444A1 (de) 2007-08-28 2009-03-05 Osram Gesellschaft mit beschränkter Haftung LED-Lampe
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Publication number Publication date
DE202009015012U1 (de) 2010-01-07
JP2011100714A (ja) 2011-05-19
WO2011054508A1 (fr) 2011-05-12
DE202010004789U1 (de) 2010-07-29

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