WO2011055973A2 - Appareil d'éclairage utilisant des diodes électroluminescentes - Google Patents

Appareil d'éclairage utilisant des diodes électroluminescentes Download PDF

Info

Publication number
WO2011055973A2
WO2011055973A2 PCT/KR2010/007718 KR2010007718W WO2011055973A2 WO 2011055973 A2 WO2011055973 A2 WO 2011055973A2 KR 2010007718 W KR2010007718 W KR 2010007718W WO 2011055973 A2 WO2011055973 A2 WO 2011055973A2
Authority
WO
WIPO (PCT)
Prior art keywords
lighting apparatus
heat radiation
radiation unit
led module
accommodation groove
Prior art date
Application number
PCT/KR2010/007718
Other languages
English (en)
Other versions
WO2011055973A3 (fr
Inventor
Jason Jae Gill
Original Assignee
Amoluxe Co., Ltd.
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
Priority claimed from KR1020100010530A external-priority patent/KR101112661B1/ko
Application filed by Amoluxe Co., Ltd. filed Critical Amoluxe Co., Ltd.
Priority to US13/508,168 priority Critical patent/US8888314B2/en
Publication of WO2011055973A2 publication Critical patent/WO2011055973A2/fr
Publication of WO2011055973A3 publication Critical patent/WO2011055973A3/fr

Links

Images

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
    • 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
    • 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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • 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
    • F21V29/745—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades the fins or blades being planar and inclined with respect to the joining surface from which the fins or blades extend
    • 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
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • 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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/032—Lighting devices intended for fixed installation of surface-mounted type the surface being a floor or like ground surface, e.g. pavement
    • 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
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
    • 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
    • F21V29/85—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
    • F21V7/005—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
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, 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
    • 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
    • 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
    • F21W2131/107—Outdoor lighting of the exterior of buildings
    • 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
    • F21W2131/109—Outdoor lighting of gardens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Definitions

  • the present invention relates to a lighting apparatus using light emitting diodes, and more particularly, to a lighting apparatus using light emitting diodes having a lateral heat radiation unit structure that can maximize a heat radiation effect by employing an air vent structure that achieve an air circulation using an atmospheric pressure difference between both sides of an air circulation path that is formed at a heat radiation housing structure.
  • LEDs light emitting diodes
  • the conventional light sources that emit light using mercury are not environment-friendly, but the LEDs that emit light without using mercury are environment-friendly.
  • the LEDs consume less electric power, to thereby save a maintenance cost.
  • the LEDs have the characteristics of longer life expectancy, more excellent durability, and stronger solidity than the conventional light sources.
  • the LEDs are gradually getting better in the electrical features of brightness and luminous efficiency.
  • the LEDs are also driven at low voltage, to thus cause no risk of electric shock.
  • the LEDs are being widely used with increasing speed.
  • the LEDs are increasingly applied in the illumination field of buildings and landscapes due to an easy applications and brilliant lighting effects of the LEDs.
  • LEDs light emitting diodes
  • Light emitting diodes of low power consumption and with high brightness have been developed due to the technological development, and have been gradually spread in use.
  • the high brightness light emitting diodes light rays that are emitted from the high brightness light emitting diodes have stronger candle power.
  • a light emitting diode chip containing a number of light emitting diodes is packaged so that light rays that are emitted from the light emitting diode chip are dispersed to irradiate a wider area.
  • the light emitting diode chip whose light emitting ranges are divided into for example, 12° lens, 25° lens, 30° lens, 45° lens, reflector and so on.
  • the conventional LED lighting apparatus using these LEDs includes: a bar-shaped housing with a certain length; a printed circuit board (PCB) of a certain length that is installed in the inside of the housing; a number of light emitting diodes that are installed on the printed circuit board; and an electric power supply that supplies electric power with the LEDs.
  • PCB printed circuit board
  • the conventional bar-shaped LED lighting apparatus is disclosed as an LED landscape lighting apparatus in Korean Patent No. 10-0834973 in which only a number of bar-shaped lighting units are used with no separate lighting structure, to thereby perform a lighting situation of a bent state, and the number of the bar-shaped lighting units can be easily installed on stepped walls of a building.
  • the LED landscape lighting apparatus includes: a connecting member body having a certain length; a connecting member on both sides of which circular protrusions are respectively formed along the lengthy direction of the connecting member body; a number of lighting units each of which has a certain length, and both sides of which are respectively fitted into the protrusions of the connecting member so as to be rotated; and a number of light emitting modules that are respectively disposed in the lighting units and receive electric power from an external power source to thus emit light.
  • the LED landscape lighting apparatus has a problem of having no effective heat radiation because the light emitting module including a light emitting diode, a printed circuit board (PCB), and a controller is disposed in the unit body of the lighting unit, and end covers are combined on both sides of the unit body in order to protect the light emitting module, with a result that the inner portion of the unit body is maintained to be in a sealed state.
  • the light emitting module including a light emitting diode, a printed circuit board (PCB), and a controller is disposed in the unit body of the lighting unit, and end covers are combined on both sides of the unit body in order to protect the light emitting module, with a result that the inner portion of the unit body is maintained to be in a sealed state.
  • PCB printed circuit board
  • the LED landscape lighting apparatus has the difficulty in efficiently diffusing heat emitted from a number of high brightness light emitting diodes to the outside.
  • the LED landscape lighting apparatus may cause problems that degrade light emission efficiency by the heat, as well as that damages parts of the LED landscape lighting apparatus.
  • Korean Patent No. 10-0903305 discloses a fluorescent lamp type LED lighting apparatus in which a printed circuit board (PCB) playing a role of an electric power source is housed in the inside of a rectangular vessel-shaped main body on the side of which a number of heat radiation fins are formed, both sides of the main body are sealingly combined by brackets, a bar-shaped LED and lens portion is mounted in an LED accommodation portion that is formed at the upper side of the main body, and a cover that is formed in the form of covering the LED and lens portion in order to protect the LED and lens portion is combined at the uppermost side of the main body.
  • PCB printed circuit board
  • the LED lighting apparatus disclosed in the Korean Patent No. 10-0903305 employs a structure of sealing the inner portion of the main body with the brackets, heat that is diffused downwards from the LED and lens portion is not effectively radiated.
  • a lighting apparatus using light emitting diodes which has a lateral heat radiation structure in which a power supply is separately installed from heat radiation structure and simultaneously an air vent structure of making an air circulation using an atmospheric pressure difference between both side ends of an air circulation path is employed in the air circulation path that is formed at a heat radiation housing, to thereby maximize a heat radiation effect.
  • a lighting apparatus using light emitting diodes comprising:
  • a housing having a power supply accommodation space therein;
  • a heat radiation unit that comprises an LED module accommodation groove that is installed on the top of the housing and having at least one inclined surface or mounting surface on which the LED module is mounted, and a number of fins that are formed on the outer circumferential surface of the LED module accommodation groove;
  • a light transmission plate that is combined on the top of the heat radiation unit and transmits light emitted from the LED modules.
  • a lighting apparatus using light emitting diodes comprising:
  • a heat radiation unit that comprises an LED module accommodation groove that is installed on top of the housing, in which at least one inclined surface or mounting surface is formed, and that comprises a number of fins that are branched off bilaterally on both side surfaces and lower surface of the LED module accommodation groove and formed along the lengthy direction of the LED module accommodation groove;
  • a light transmission plate that is combined on top of the heat radiation unit to thus transmit light emitted from the LED modules.
  • the pair of the covers comprise an entrance cover having an entrance air vent hole through which air is taken in, and an exit cover having an exit air vent hole through which air is discharged out.
  • the exit air vent hole of the exit cover is formed of a hole smaller than the entrance air vent hole of the entrance cover, in order to generate an atmospheric pressure difference between both side ends of the air circulation path.
  • the size of the exit air vent hole formed through the air circulation path gets smaller and smaller as it goes toward the exit cover.
  • the LED module accommodation groove of the heat radiation unit is bilaterally symmetrical along the lengthy direction of the heat radiation unit.
  • the LED module accommodation groove comprises two inclined surfaces on which LED modules are respectively mounted.
  • the LED module accommodation groove of the heat radiation unit is bilaterally asymmetrical along the lengthy direction of the heat radiation unit.
  • the LED module accommodation groove comprises a vertical surface, and an inclined surface on which LED modules are mounted.
  • the lighting apparatus further comprises a reflector plate that reflects light irradiated from the LED module between the vertical surface and the inclined surface.
  • the LED module accommodation groove comprises an inclined surface on which LED modules are mounted, and a reflection surface that reflects light irradiated from the LED modules.
  • each of the LED modules adjusts a light distribution angle using an angle of the inclined surface.
  • each of the LED modules adjusts a light distribution angle using an angle adjustment block that is installed on the inclined surface.
  • a lighting apparatus using light emitting diodes comprising:
  • a heat radiation unit that comprises an LED module accommodation groove that is detachably installed on top of the housing, in which a mounting surface is formed, and that comprises a number of mutually differently lengthy fins that are branched off bilaterally on both side surfaces and lower surface of the LED module accommodation groove and formed along the lengthy direction of the LED module accommodation groove;
  • a pair of heat radiation unit covers that are combined at both side ends of the heat radiation unit, to thereby seal the LED module accommodation groove;
  • a light transmission plate that is combined on top of the heat radiation unit to thus seal the upper portion of the LED module accommodation groove and transmits light emitted from the LED modules.
  • the light transmission plate is supported by a pair of glass caps and fixed by a fixing screw.
  • the number of fins of the heat radiation unit have a profile whose middle portion is concave, respectively.
  • a lighting apparatus using light emitting diodes comprising:
  • a heat radiation unit that comprises an LED module accommodation groove that is detachably installed on top of a lighting lamp fixture, in which a mounting surface is formed, and that comprises a number of mutually differently lengthy fins that are branched off bilaterally on both side surfaces and lower surface of the LED module accommodation groove and formed along the lengthy direction of the LED module accommodation groove;
  • a pair of heat radiation unit covers that are combined at both side ends of the heat radiation unit, to thereby seal the LED module accommodation groove;
  • a light transmission plate that is combined on top of the heat radiation unit to thus seal the upper portion of the LED module accommodation groove and transmits light emitted from the LED modules.
  • a lighting apparatus using light emitting diodes employs an air circulation path of making an air circulation using an atmospheric pressure difference between both side ends of the air circulation path that is lengthily formed at a central portion of a left-hand and right-hand heat radiation unit structure, to thereby maximize a heat radiation effect, when a bar-shaped flood lighting apparatus or a landscape lighting apparatus is made of a number of light emitting diodes (LEDs).
  • LEDs light emitting diodes
  • the lighting apparatus can maximize a heat radiation effect since a power supply is separately installed from a heat radiation unit or a heat radiation housing, and heat generated from the light emitting diodes and the power supply are simultaneously radiated through the air circulation path that is lengthily formed at the center of the housing and communicates with the outside.
  • the lighting apparatus according to the present invention can make it easy to implement a variety of desired light distribution types of lighting apparatuses since a number of LED modules are mounted in an angle adjustment block so that the LEDs have a variety of angles, respectively.
  • the lighting apparatus provides a dual heat radiation structure, to thereby maximize a heat radiation effect, in which heat radiation fins are formed on both side surfaces of the lighting apparatus to thereby increase surface areas of the heat radiation fins, and to simultaneously provide an air circulation path.
  • FIG. 1 is a perspective view showing a lighting apparatus using light emitting diodes according to a first embodiment of the present invention
  • FIG. 2 is a disassembled perspective view showing the lighting apparatus using light emitting diodes of FIG. 1;
  • FIG. 3 is a side sectional view showing a partial section of the lighting apparatus using light emitting diodes of FIG. 1;
  • FIG. 4 is a cross-sectional view of the lighting apparatus using light emitting diodes of FIG. 1;
  • FIG. 5 is a cross-sectional view showing a variation of the lighting apparatus using light emitting diodes of FIG. 1;
  • FIG. 6 is a perspective view showing a lighting apparatus using light emitting diodes according to a second embodiment of the present invention.
  • FIG. 7 is a cross-sectional view of FIG. 6;
  • FIG. 8 is a perspective view showing a lighting apparatus using light emitting diodes according to a third embodiment of the present invention.
  • FIG. 9 is a cross-sectional view of FIG. 8;
  • FIG. 10 is a cross-sectional view showing a variation of the lighting apparatus using light emitting diodes of FIG. 8;
  • FIG. 11 is a perspective view showing a lighting apparatus using light emitting diodes according to a fourth embodiment of the present invention.
  • FIG. 12 is a cross-sectional view of FIG. 11;
  • FIG. 13 is a cross-sectional view showing a variation of the lighting apparatus using light emitting diodes of FIG. 11;
  • FIG. 14 is a perspective view showing a lighting apparatus using light emitting diodes according to a fifth embodiment of the present invention.
  • FIG. 15 is a cross-sectional view showing an installation example of FIG. 14.
  • FIG. 16 is a cross-sectional view showing a variation of the installation example of FIG. 14.
  • FIGs. 1 to 3 are a perspective view, a disassembled perspective view, and a side sectional view, respectively which show a lighting apparatus using light emitting diodes according to a first embodiment of the present invention.
  • the lighting apparatus 100 using light emitting diodes according to the first embodiment of the present invention may be used as for example a landscape lighting apparatus that is fixedly installed on a floor or wall of a building so as to elegantly illuminate the external appearance of the building.
  • the lighting apparatus 100 according to the present invention can be applied to an indoor or outdoor parking lot illumination device, an indoor illumination device, a tunnel illumination device, and a street lighting apparatus, as well as a landscape lighting apparatus.
  • the lighting apparatus 100 includes: a rectangular vessel shaped housing 70; a heat radiation unit 30 that forms an LED module accommodation groove on top of the housing 70 and that comprises a number of fins 30a to 30n that are symmetrically formed on inclined surfaces 25 formed on both side surfaces of the LED module accommodation groove; a power supply 50 that is separated from the heat radiation unit 30 and installed inside of the housing 70; an air circulation path 40 that is lengthily formed at the central portion between the housing 70 and the heat radiation unit 30; a pair of covers 60a and 60b that are combined at both side ends of the air circulation path 40, that is, at both sides of the housing 70 and the heat radiation unit 30, and on which air vent holes 61a and 61b that perform air circulation by generating an atmospheric pressure difference at both side ends of the air circulation path 40 are respectively formed; a number of LED modules 20 that are respectively mounted on top of a metal printed circuit board (PCB) 80 (of FIG. 4) that is fixedly installed on mounting surface 29a of the LED module accommodation groove of the heat radiation
  • PCB metal printed circuit board
  • the housing 70 has a space to accommodate a power supply 50 therein.
  • the heat radiation unit 30 is installed on top of the housing 70.
  • the housing 70 is made of metal whose thermal conductivity is excellent, for example, aluminum or aluminum alloy, considering heat transfer and stiffness so as to transfer heat generated from the power supply 50 to the heat radiation unit 30, and can be made in an extruding or die-casting manner.
  • the housing 70 can be transformed in various forms depending on a field where the lighting apparatus 100 is applied.
  • the housing 70 is preferably formed of a rectangular vessel shape whose cross-sectional surface is rectangular so as to form the bar-shaped lighting apparatus 100, but can be formed in various shapes.
  • a number of the LED modules 20 are mounted on top of a metal printed circuit board (PCB) 80 of FIG. 4 that is fixed in the LED module accommodation groove that is formed at the central portion of the upper surface of the heat radiation unit 30, and are fixedly arranged in a row.
  • PCB metal printed circuit board
  • inclined surfaces 25 that are formed at both sides of the LED module accommodation groove on the mounting surface of which the metal PCB 80 is mounted, contact the heat radiation fins 30a to 30n that is branched off in a left and right symmetry around the LED modules 20 in order to radiate heat emitted from the LED modules 20. Accordingly, the inclined surfaces 25 play a role of heat sinks, and simultaneously a role of reflection plates that reflect light emitted from the LED modules 20 toward the light transmission plate 10.
  • the metal PCB 80 is preferably made of a plate material having a high thermal conductivity, for example, aluminum, copper, iron or their alloys, and may be fixed on one of the inclined surfaces 25 using a small piece as shown in FIG. 7.
  • the light transmission plate 10 is slidably installed in grooves formed in an opening portion of the heat radiation unit 30, to thus prevent foreign matters or water from flowing into the LED module accommodation groove of the heat radiation unit 30, and is made of transparent or translucent glass or a synthetic resin material.
  • the air circulation path 40 that is lengthily formed at the central portion between the housing 70 and the heat radiation unit 30 communicates from an entrance air vent hole 61a formed on an entrance cover 60a in one side of the air circulation path 40, and communicates from an exist air vent hole 61b formed on an exit cover 60b in the other side of the air circulation path 40.
  • the entrance air vent hole 61a that is formed of a triangular hole formed at a substantially central portion of the entrance cover 60a communicates from the air circulation path 40.
  • the exit air vent hole 61b that is formed of a triangular hole formed at a substantially central portion of the exit cover 60b communicates from the air circulation path 40.
  • the air circulation path 40 is formed to have an air vent structure in a manner that size of a triangular hole of the exit air vent hole 61b gets smaller and smaller as it goes toward the exit cover 60b.
  • the air circulation path 40 has a structure that the hole sizes of the air vent holes 61a and 61b formed at both sides thereof are differently formed to thus generate an atmospheric pressure difference between both side ends of the entrance cover 60a and the exit cover 60b, and make the internal air flow by convection in one direction so as to be discharged out to the outside easily.
  • external air is introduced into the air circulation path 40, to thus cool the heat radiation unit 30 that dissipate heat generated from a number of the LED modules 20.
  • FIG. 4 is a cross-sectional view of the lighting apparatus using light emitting diodes according to the first embodiment of the present invention.
  • each of the number of the LED modules 20 includes an LED chip 22, a first lens 23 and a second lens 24 that are formed on the metal PCB 80.
  • the second lens 24 may be removed as necessary.
  • Light that is emitted by driving the LED chip 22 passes through the first lens 23 and the second lens 24 so as to be diffused and then transmits through the light transmission plate 10 so as to be radiated.
  • heat that is emitted by driving the LED chip 22 is radiated through a number of fins 30a to 30n that are bilaterally from left and right inclined surfaces 25 that form the LED module accommodation groove 29 of the heat radiation unit 30.
  • inclined surfaces 25 are formed around the LED module accommodation groove 29 in which the LED modules 20 are accommodated in the heat radiation unit 30, and a number of fins 30a to 30n are branched off in a left and right symmetry from the left and right inclined surfaces 25 and the lower surface of the LED module accommodation groove 29, to then be laterally arranged lengthily on both side surfaces of the upper portion of the housing 70.
  • the heat radiation unit 30 is formed to have a lateral heat radiation structure, to thereby make air flow by convection through a number of spaces 31 that are formed between the number of the fins 30a to 30n to then be cooled by air convection of the internal air circulation path 40 that is formed between the heat radiation unit 30 and the housing 70.
  • both sides of each of the number of the fins 30a to 30n of FIG. 4 are horizontally formed, but each of the number of the fins 30a to 30n is preferably formed to have a rain water drainage structure that each of the number of the fins 30a to 30n is inclined downwards as it goes to the outer side of both the sides of each of the number of the fins 30a to 30n.
  • the air circulation path 40 is formed to have a triangular hole therethrough so that size of the triangular hole of the exit air vent hole 61b gets smaller and smaller as it goes toward the exit cover 60b. Accordingly, a cooling efficiency of the fins 30n that are disposed at the lowest side of the LED module accommodation groove 29 is increased by air convection due to an atmospheric pressure difference formed between both ends of the air circulation path 40.
  • heat generated from the LED modules 20 are primarily radiated directly by the laterally branched-off multiple fins 30a to 30n, and secondarily radiated by the fins 30n that are disposed at the lowest side of the heat radiation unit 30 and are cooled by air convection of the air circulation path 40, to thus maximize the heat radiation efficiency of the heat radiation unit 30.
  • the air circulation path 40 and the heat radiation unit 30 have structures that are respectively exposed to the outside. Accordingly, heat that is generated from the power supply 50 that is separated from the LED modules 20 and is inserted at the lower portion of the housing 70 is also radiated by the air circulation path 40 and the heat radiation unit 30.
  • FIG. 5 is a cross-sectional view showing a variation of the lighting apparatus using light emitting diodes according to the first embodiment of the present invention.
  • each of the number of the LED modules 20a includes an LED chip 22a, a first lens 23a and a second lens 24a that are formed on the metal PCB 80a.
  • a number of fins 30a to 30n that are extended from inclined surfaces 26 that form an LED module accommodation groove 29 in a heat radiation unit 30a are branched off in a left and right symmetry around LED modules 20a, but a cross-sectional shape of an air circulation path 40a is a trapezoidal shape instead of the triangular shape, due to the heat radiation unit 30 that is disposed at the lower portion of a metal PCB 80a.
  • size of the trapezoidal hole formed through the air circulation path 40a gets smaller and smaller as it goes toward the exit air vent hole 61c. Accordingly, a cooling efficiency of the heat radiation unit 30 is increased by air convection due to an atmospheric pressure difference formed between both ends of the air circulation path 40a.
  • the LED modules are mounted on the mounting surfaces 29a in the LED module accommodation groove 29, however, the LED modules can be mounted on the inclined surfaces 25 in the LED module accommodation groove 25.
  • FIGs. 5A and 5B are a perspective view and a cross-sectional view respectively showing a lighting apparatus using light emitting diodes according to a second embodiment of the present invention.
  • the heat radiation unit 30 is formed of a left and right symmetrical structure in the first embodiment case, but a heat radiation unit 300 is formed of a left and right asymmetrical structure in the second embodiment case.
  • an LED module accommodation groove 29 that accommodates LED modules 20b is formed of an inclined surface 25a of a curved shape and an inclined surface 25b of a planar shape. The LED modules 20b are mounted on the inclined surface 25b of the planar shape.
  • the inclined surface 25a of the curved shape acts as a reflective surface, and an inclination angle of the inclined surface 25b of the planar shape on which the LED modules 20b are mounted, is established according to a light distribution curve of a lighting apparatus.
  • the function of an air circulation path 40b that is formed by the fin 30n that is disposed at the lowermost side of the heat radiation unit 300 and a housing 70b in the second embodiment of the present invention is the same as that of the first embodiment of the present invention.
  • FIGs. 6A and 6B are a perspective view and a cross-sectional view respectively showing a lighting apparatus using light emitting diodes according to a third embodiment of the present invention.
  • an LED module accommodation groove 29 formed by a heat radiation unit 300a is formed of a vertical surface 25e at one side of the LED module accommodation groove 29, and an inclined surface 25d of a substantially 45 degrees from the horizontal plane at the other side thereof in which the vertical surface 25e faces the inclined surface 25d.
  • LED modules 20c are mounted on the inclined surface 25d. Since the vertical surface 25e has low reflection efficiency, a reflective plate 25c of a curved shape is additionally disposed along a light reflection path of the LED modules 20c so that light emitted from the LED modules 20c can be reflected. Thus, a light distribution angle of the LED modules 20c can be adjusted on the basis of the angle of the inclined surface 25d and the reflective plate 25c that is disposed along the light reflection path of the LED modules 20c.
  • an air circulation path 40c that is formed by the fin 30n that is disposed at the lowermost side of the heat radiation unit 300a, the inclined surface 25d, and a housing 70c in the third embodiment of the present invention is the same as that of the first embodiment of the present invention.
  • FIG. 10 is a cross-sectional view showing a variation of the lighting apparatus using light emitting diodes of the third embodiment of the present invention.
  • a lighting apparatus of FIG. 10 includes an angle adjustment block 27 that is inserted between the vertical surface 25e and the inclined surface 25d, instead of the reflective plate 25c of the third embodiment of the present invention.
  • the LED modules 20c are mounted on the angle adjustment block 27.
  • the light distribution angle of the LED modules 20c can be adjusted according to the inclination angle of the angle adjustment block 27.
  • a number of angle adjustment blocks 27 whose inclined angles differ from each other are provided so as to be selectively used as necessary.
  • the angle adjustment block 27 is made of a metallic material that is the same as those of the heat radiation unit 300a and the housing 70, preferably, metal whose thermal conductivity is excellent, for example, aluminum or aluminum alloy, considering heat transfer and stiffness and can be made in an extruding or die-casting manner.
  • angle adjustment block 27 is fixedly installed on the inclined surface using fixing pieces.
  • FIGs. 7A and 7B are a perspective view and a cross-sectional view respectively showing a lighting apparatus using light emitting diodes according to a fourth embodiment of the present invention.
  • substantially V-shaped two inclined surfaces 25f and 25g are formed in an LED module accommodation groove 29 of a symmetrical heat radiation unit 300b.
  • Two arrays of LED modules 20d and 20e are respectively mounted on metal PCBs of the inclined surfaces 25f and 25g.
  • Light distribution angles of the two arrays of the LED modules 20d and 20e can be adjusted on the basis of an angle that is formed by the two opposing inclined surfaces 25f and 25g.
  • the two arrays of the LED modules 20d and 20e are disposed on the left and right inclined surfaces 25f and 25g, respectively, as in the fourth embodiment of the present invention, the light distribution angles of a bat wing shape can be easily formed.
  • a lighting apparatus of FIG. 13 includes an angle adjustment block 28 on which opposing inclined surfaces are formed, instead of the opposing inclined surfaces 25f and 25g of the fourth embodiment of the present invention, in which two arrays of the LED modules 20d and 20e are respectively formed on top of the opposing inclined surfaces of the angle adjustment block 28.
  • the light distribution angles of the opposing LED modules 20d and 20e can be adjusted according to an angle formed by the inclined surfaces of the angle adjustment block 28.
  • the angle adjustment block 28 is made of a metallic material that is the same as those of the heat radiation unit 300b and the housing 70, preferably, metal whose thermal conductivity is excellent, for example, aluminum or aluminum alloy, considering heat transfer and stiffness and can be made in an extruding or die-casting manner.
  • angle adjustment block 28 is fixedly installed on the inclined surfaces using fixing pieces.
  • the angle of the inclined surfaces of the LED modules can be set up to have a variety of light distribution angles by desired angle adjustment blocks.
  • the power supply 50 is separately installed from the heat radiation unit 300b, and simultaneously an air vent structure that performs air circulation by using an atmospheric pressure difference formed between both side ends of the air circulation path 40d is employed in the air circulation path 40d that is formed at the central portion between the heat radiation unit 30, 300a, or 300b and the housing 70, to thereby have a lateral heat radiation fin structure that can maximize a heat radiation effect.
  • FIG. 14 is a perspective view showing a lighting apparatus using light emitting diodes according to a fifth embodiment of the present invention.
  • the components of the fifth embodiment that are the same as those of the first embodiment are assigned with the same reference numerals as those of the first embodiment. Since the same components perform the same functions, the detailed description is omitted.
  • a lighting apparatus includes two pairs of covers that are divided into a pair of housing covers 66 that are sealingly combined on both side surfaces of a housing 70d containing a power supply 50, and a pair of heat radiation unit covers 63 that are sealingly combined on both side surfaces of a heat radiation unit 300c containing LED modules 20.
  • the heat radiation unit 300c has been designed to raise a heat radiation efficiency of heat radiation fins 30a to 30n by modifying shape of the heat radiation unit 300c. That is, ends of a number of fins 30a to 30n are designed to match both side surfaces of the housing 70 in the first embodiment of the present invention, but a profile of the ends of a number of the fins 30a to 30n has been designed to make the middle part of the heat radiation unit 300c changed to form a concave shape in the fifth embodiment of the present invention.
  • a first group of fins that are disposed at the outside of inclined surfaces 25 are set to have an equal or similar length one another, and a second group of fins that are disposed at the lower surface of a metal PCB 80 are set to have an equal or similar length one another.
  • the number of fins 30a to 30n of the heat radiation unit 300c smoothly contact or heat-exchange with the outside air to thereby maximize the heat radiation effect.
  • a pair of coupling protrusions 73 that are formed on the upper surface of the housing 70, and a pair of coupling grooves 32 that are formed at the lower side of the fin 30n are slidably combined with each other between the heat radiation unit 300c and the housing 70d. That is, a coupling between the heat radiation unit 300c and the housing 70d has a detachable coupling structure.
  • the air circulation path 40e plays a role of a path through which a cable 81 passes from a power supply 50 provided in the housing 70d to the LED modules 20 in order to supply electric power from the power supply 50 to the LED modules 20.
  • the light transmission plate 10 that is combined on the upper portion of the heat radiation unit 300c is supported by a pair of glass caps 11 and fixed using fixing screws 12.
  • each of the pair of the heat radiation unit covers 63 includes embossed projections 63b that are formed on the outer surface thereof and four fixing holes 63a that are respectively formed at four corners thereof.
  • the four fixing holes 63a are disposed to communicate from four fixing holes 31 of the heat radiation unit 300c and are fixed using fixing screws (not shown).
  • Each of the pair of the housing covers 66 includes embossed projections 66b that are formed on the outer surface thereof and four fixing holes 66a that are respectively formed at four corners thereof.
  • the four fixing holes 66a are disposed to communicate from four fixing holes 72 of the housing 70d and are fixed using fixing screws (not shown).
  • the heat radiation unit 300c and the housing 70d are encased by the covers 63 and 66, respectively, and the air circulation path 40e that is positioned at the central portion of the lighting apparatus is exposed to the outside, to thereby generate air convection to then maximize heat radiation efficiency.
  • coupling grooves 71a, 71b, and 71c are formed on both side surfaces and lower surface of the housing 70d, respectively.
  • FIG. 15 is a cross-sectional view showing an example of an installation fixture when a lighting apparatus according to a fifth embodiment of the present invention is used as a flood lighting apparatus.
  • the lighting apparatus 100a is implemented so that a coupling protrusion 94a formed on a coupling plate 94 is coupled with a coupling groove 71c formed on the lower surface of the housing 70d, at a state where the heat radiation unit 300a and the housing 70d are combined with each other.
  • the coupling plate 94 is combined with a lower support bracket 93 by a pair of coupling screws 95, and one end of the lower support bracket 93 is wound and fixed on a longitudinal axis 91, to thereby maintain elasticity and establish an orientation angle.
  • One side of the axis 91 is covered with a cover 92, and fixed to a fixed frame 90 that is formed at one side of the axis 91.
  • the fixed frame 90 is fixedly installed by a frame fixing screw 96.
  • FIG. 16 is a cross-sectional view showing a variation of an installation example from which a power supply has been removed, when a lighting apparatus according to the fifth embodiment of the present invention is used as a flood lighting apparatus.
  • a lighting apparatus with no housing is implemented so that a pair of coupling protrusions 97a formed on a coupling plate 97 is coupled with a pair of coupling grooves 32 formed on the lower surface of the heat radiation unit 30n.
  • the coupling plate 97 is combined with a lower support bracket 93 by a pair of coupling screws 95, and the lower support bracket 93 is wound on a longitudinal axis 91, to thereby maintain elasticity and establish an angle.
  • the axis 91 is covered with a cover 92, and fixed to one side of a fixed frame 90.
  • the fixed frame 90 is fixedly installed by a frame fixing screw 96.
  • the housing and the heat radiation unit are detachably combined with each other by an uneven structure formed between the housing and the heat radiation unit, similarly to the case of the fifth embodiment of the present invention, and the covers of the heat radiation unit and the housing can be used so as to be detached from the heat radiation unit and the housing, respectively.
  • the lighting apparatus according to the present invention can be applied to a variety of light distribution types of building illumination flood lighting apparatuses, warning lighting apparatuses, road illumination street lighting apparatuses, indoor lighting apparatuses, a parking lot illumination lighting apparatuses, and so on.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

La présente invention a trait à un appareil d'éclairage utilisant des diodes électroluminescentes (LED), lequel appareil d'éclairage est doté d'une structure d'unité de rayonnement de chaleur latérale qui peut maximiser l'effet du rayonnement de chaleur en employant une structure d'évent causant une différence de pression atmosphérique entre les deux extrémités latérales d'un circuit d'air. L'appareil d'éclairage comprend un logement pourvu d'un espace de logement de bloc d'alimentation à l'intérieur de celui-ci, une unité de rayonnement de chaleur qui comprend une rainure de logement de module à diodes électroluminescentes qui est disposée sur le dessus du logement et ayant au moins une surface inclinée ou surface de montage que laquelle le module à diodes électroluminescentes est monté, et un certain nombre d'ailettes qui sont formées sur la surface circonférentielle extérieure de la rainure de logement de module à diodes électroluminescentes, un circuit d'air qui est formé sur la longueur entre le logement et l'unité de rayonnement de chaleur.
PCT/KR2010/007718 2009-11-05 2010-11-03 Appareil d'éclairage utilisant des diodes électroluminescentes WO2011055973A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/508,168 US8888314B2 (en) 2009-11-05 2010-11-03 Lighting apparatus using light emitting diodes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20090106648 2009-11-05
KR10-2009-0106648 2009-11-05
KR10-2010-0010530 2010-02-04
KR1020100010530A KR101112661B1 (ko) 2009-11-05 2010-02-04 발광 다이오드를 사용한 조명장치

Publications (2)

Publication Number Publication Date
WO2011055973A2 true WO2011055973A2 (fr) 2011-05-12
WO2011055973A3 WO2011055973A3 (fr) 2011-08-25

Family

ID=43970538

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/007718 WO2011055973A2 (fr) 2009-11-05 2010-11-03 Appareil d'éclairage utilisant des diodes électroluminescentes

Country Status (1)

Country Link
WO (1) WO2011055973A2 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT12553U1 (de) * 2011-02-17 2012-07-15 Tridonic Connection Technology Gmbh & Co Kg Vorrichtung zur montage einer led-einheit, sowie led-einheit
CN103185216A (zh) * 2011-12-28 2013-07-03 海洋王照明科技股份有限公司 Led灯具
US20140146532A1 (en) * 2012-11-26 2014-05-29 Tai-Chiang Lin LED Illuminating Device
CN103925580A (zh) * 2014-05-05 2014-07-16 深圳市阳光富源科技有限公司 Led散热器及led模组
US8845131B2 (en) 2008-12-12 2014-09-30 The Sloan Company, Inc. Angled light box lighting system
WO2014138295A3 (fr) * 2013-03-06 2014-11-13 The Sloan Company, Inc. Dba Sloanled Système d'éclairage à boîte de lumière en angle
RU2561712C2 (ru) * 2013-11-18 2015-09-10 Юрий Вячеславович Ивлиев Светильник светодиодный и теплоотводящий профиль в качестве его корпуса
US9200788B2 (en) 2008-12-12 2015-12-01 The Sloan Company, Inc. Angled light box lighting system
RU2578631C1 (ru) * 2015-04-24 2016-03-27 Общество с ограниченной ответственностью "Резерв" Светодиодный светильник для искусственного освещения помещений для содержания животных, теплоотводящий элемент светильника, колба светильника и светодиодная плата
EP3339718A4 (fr) * 2015-08-20 2019-01-16 Sterkina, Natalia Olegovna Procédé de génération d'un flux lumineux et éclairage allongé de corniche pour sa mise en uvre
WO2019058035A1 (fr) * 2017-09-22 2019-03-28 Nlx Dispositif d'eclairage d'un terrain et rampe d'eclairage correspondante
US20190113190A1 (en) * 2015-09-25 2019-04-18 Hubbell Incorporated Luminaire
DE102018005481A1 (de) * 2018-07-11 2020-01-16 Emz-Hanauer Gmbh & Co. Kgaa Leuchtleiste zum Einbau in ein elektrisches Haushaltsgerät, Bodenbaugruppe sowie Kühlgerät mit einer solchen Bodenbaugruppe
IT202100004151A1 (it) * 2021-02-23 2022-08-23 Calzavara S P A Sistema di segnalazione visiva.
RU226637U1 (ru) * 2023-12-05 2024-06-14 Общество с ограниченной ответственностью "ЛЕД-Эффект" Герметичный светильник для ферм

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080077758A (ko) * 2007-02-21 2008-08-26 두림시스템 주식회사 분리형 방열판 구조를 갖는 엘이디 등기구
KR20090081852A (ko) * 2008-01-25 2009-07-29 송명석 엘이디 등기구

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080077758A (ko) * 2007-02-21 2008-08-26 두림시스템 주식회사 분리형 방열판 구조를 갖는 엘이디 등기구
KR20090081852A (ko) * 2008-01-25 2009-07-29 송명석 엘이디 등기구

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8845131B2 (en) 2008-12-12 2014-09-30 The Sloan Company, Inc. Angled light box lighting system
US9200788B2 (en) 2008-12-12 2015-12-01 The Sloan Company, Inc. Angled light box lighting system
AT12553U1 (de) * 2011-02-17 2012-07-15 Tridonic Connection Technology Gmbh & Co Kg Vorrichtung zur montage einer led-einheit, sowie led-einheit
CN103185216A (zh) * 2011-12-28 2013-07-03 海洋王照明科技股份有限公司 Led灯具
CN103185216B (zh) * 2011-12-28 2015-10-28 海洋王照明科技股份有限公司 Led灯具
US20140146532A1 (en) * 2012-11-26 2014-05-29 Tai-Chiang Lin LED Illuminating Device
WO2014138295A3 (fr) * 2013-03-06 2014-11-13 The Sloan Company, Inc. Dba Sloanled Système d'éclairage à boîte de lumière en angle
RU2561712C2 (ru) * 2013-11-18 2015-09-10 Юрий Вячеславович Ивлиев Светильник светодиодный и теплоотводящий профиль в качестве его корпуса
CN103925580A (zh) * 2014-05-05 2014-07-16 深圳市阳光富源科技有限公司 Led散热器及led模组
RU2578631C1 (ru) * 2015-04-24 2016-03-27 Общество с ограниченной ответственностью "Резерв" Светодиодный светильник для искусственного освещения помещений для содержания животных, теплоотводящий элемент светильника, колба светильника и светодиодная плата
EP3339718A4 (fr) * 2015-08-20 2019-01-16 Sterkina, Natalia Olegovna Procédé de génération d'un flux lumineux et éclairage allongé de corniche pour sa mise en uvre
US20190113190A1 (en) * 2015-09-25 2019-04-18 Hubbell Incorporated Luminaire
US10859219B2 (en) * 2015-09-25 2020-12-08 Hubbell Incorporated Luminaire
WO2019058035A1 (fr) * 2017-09-22 2019-03-28 Nlx Dispositif d'eclairage d'un terrain et rampe d'eclairage correspondante
FR3071586A1 (fr) * 2017-09-22 2019-03-29 Nlx Dispositif d'eclairage d'un terrain et rampe d'eclairage correspondante
US11118744B2 (en) 2017-09-22 2021-09-14 Nlx Device for lighting a court and corresponding lighting strip
US11435039B2 (en) 2017-09-22 2022-09-06 Nlx Device for lighting a court and corresponding lighting strip
DE102018005481A1 (de) * 2018-07-11 2020-01-16 Emz-Hanauer Gmbh & Co. Kgaa Leuchtleiste zum Einbau in ein elektrisches Haushaltsgerät, Bodenbaugruppe sowie Kühlgerät mit einer solchen Bodenbaugruppe
US10928018B2 (en) 2018-07-11 2021-02-23 Emz-Hanauer Gmbh & Co. Kgaa Light bar for installation in a household electrical appliance, shelf assembly and cooling appliance with such a shelf assembly
DE102018005481B4 (de) 2018-07-11 2023-03-09 Emz-Hanauer Gmbh & Co. Kgaa Haushalts-Kühlgerät mit Bodenbaugruppe und daran angebrachter Leuchtleiste
IT202100004151A1 (it) * 2021-02-23 2022-08-23 Calzavara S P A Sistema di segnalazione visiva.
RU226637U1 (ru) * 2023-12-05 2024-06-14 Общество с ограниченной ответственностью "ЛЕД-Эффект" Герметичный светильник для ферм

Also Published As

Publication number Publication date
WO2011055973A3 (fr) 2011-08-25

Similar Documents

Publication Publication Date Title
WO2011055973A2 (fr) Appareil d'éclairage utilisant des diodes électroluminescentes
WO2013032293A2 (fr) Appareil d'éclairage à del
US8888314B2 (en) Lighting apparatus using light emitting diodes
WO2011040724A2 (fr) Appareil d'éclairage à del ayant une structure à assemblage de blocs
WO2010079918A2 (fr) Appareil d'éclairage utilisant des diodes électroluminescentes
WO2011118992A4 (fr) Module d'éclairage à del et lampe d'éclairage le comprenant
WO2013047929A1 (fr) Dispositif d'éclairage à diodes électroluminescentes (led)
WO2011112005A2 (fr) Abat-jour comprenant des tuyaux d'air et appareil d'éclairage à diodes électroluminescentes l'utilisant
WO2014010778A1 (fr) Dispositif d'éclairage à semi-conducteurs optiques
WO2012134079A2 (fr) Lampe à del
WO2011096615A1 (fr) Dispositif d'éclairage à del
WO2012161426A2 (fr) Appareil d'éclairage à diodes électroluminescentes doté d'une répartition de lumière réglable
WO2011126233A1 (fr) Eclairage de rue à del
WO2016003232A1 (fr) Appareil d'éclairage à del
WO2014168379A1 (fr) Projecteur étanche à l'eau doublement hermétique et procédé pour ce dernier
WO2011013913A2 (fr) Lampe d’extérieur
WO2017030374A1 (fr) Appareil d'éclairage à del
WO2013002511A2 (fr) Lampe à del
WO2013015498A1 (fr) Module de lampe à diodes électroluminescentes (del) comprenant une fonction de rayonnement de chaleur et éclairage à diodes électroluminescentes (del) comprenant le module de lampe à diodes électroluminescentes (del)
WO2011065705A2 (fr) Système d'éclairage et appareil d'éclairage le comprenant
WO2012102460A1 (fr) Dispositif d'éclairage de rue à dissipation de la chaleur par convection naturelle
WO2011014016A2 (fr) Condenseur à del à travers des câbles optiques multiples
WO2011096686A2 (fr) Dispositif d'éclairage à del comprenant une structure d'assemblage par blocs
WO2013036061A1 (fr) Dispositif d'éclairage
WO2013032239A1 (fr) Dispositif d'éclairage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10828508

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 13508168

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10828508

Country of ref document: EP

Kind code of ref document: A2