WO2013160834A2 - Metal profile for an led light source - Google Patents

Metal profile for an led light source Download PDF

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Publication number
WO2013160834A2
WO2013160834A2 PCT/IB2013/053211 IB2013053211W WO2013160834A2 WO 2013160834 A2 WO2013160834 A2 WO 2013160834A2 IB 2013053211 W IB2013053211 W IB 2013053211W WO 2013160834 A2 WO2013160834 A2 WO 2013160834A2
Authority
WO
WIPO (PCT)
Prior art keywords
metal profile
led
base
metal
lens
Prior art date
Application number
PCT/IB2013/053211
Other languages
French (fr)
Other versions
WO2013160834A3 (en
Inventor
Jevgeni Sevtsenko
Original Assignee
Jevgeni Sevtsenko
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 Jevgeni Sevtsenko filed Critical Jevgeni Sevtsenko
Publication of WO2013160834A2 publication Critical patent/WO2013160834A2/en
Publication of WO2013160834A3 publication Critical patent/WO2013160834A3/en

Links

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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/015—Devices for covering joints between adjacent lighting devices; End coverings
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • 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
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
    • 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
    • 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]

Definitions

  • the invention relateds to LED sources, in particular to metal profiles used for manufacturing lighting fixtures based on power LEDs.
  • An LED is a semiconductor device, which emits light. Also LEDs emitting white light with different light spectrum to be used for lighting, in general lighting, spot lighting and specific lighting, including for instance for lighting advertisement boards and light boxes, whereas generally several LEDs are connected to one lighting fixture, have been developed.
  • the power of LEDs used for lighting is in the range of 0.06 W to 1 W or even more. The more powerful the LED is, the more important it is to ensure sufficient cooling. Such LEDs are provided with a radiator.
  • a lighting fixture design where LEDs are installed on an aluminium profile, which functions simultaneously as a supporting structure and a radiator, is known (see http://www.leds.de/en/LED-strips-modules-oxid-oxid-oxid-oxid/High-power-LED- strips/Aluminium-case-set-600mm.html).
  • SMD LEDs are fastened on a base, which in its turn is installed inside of an aluminium profile.
  • the aluminium profile is covered with a translucent dome. This can be considered as the closest solution known from background art.
  • the disadvantage of this solution is the use of SMD LEDs with weak luminous intensity and power, and insufficient heat exchange between the LED and the aluminium profile.
  • the objective of the invention is to use power LEDs (for example 1 W), to provide sufficient cooling thereof and to allow easy assembly.
  • the objective of the invention is achieved with a metal profile, the cross-section of which is generally U-shaped and the branch of which is equipped with elements for sliding the plate radiator of the LED along the metal profile and for keeping the plate radiator against the base of the metal profile and the branches are equipped with connecting elements for fastening a fixating lens above the LED by means of a snap connection.
  • a metal profile the cross-section of which is generally U-shaped and the branch of which is equipped with elements for sliding the plate radiator of the LED along the metal profile and for keeping the plate radiator against the base of the metal profile and the branches are equipped with connecting elements for fastening a fixating lens above the LED by means of a snap connection.
  • the second aspect of the invention is a light source with a LED (hereinafter a lighting fixture), which includes the above described metal profile, where there is at least one LED with a plate radiator.
  • the plate radiator of the LED is slid from the end of the metal profile into a suitable position between the branches.
  • the plate radiator of the LED forms a uniform, monolithic system with the metal profile, ensuring efficient heat distribution. For the best heat distribution the space between the plate radiator of the LED and metal profile is filled with thermal paste.
  • the plate radiator of the LED is pressed against the base of the metal profile with a fixating lens provided with a snap connection.
  • Filling material may be added in the space between the fixating lens and LED.
  • the space between the LEDs may be filled with filling material.
  • power cables are installed in the cable grooves located in the base of the metal profile.
  • the third aspect of the invention is a LED lighting fixture, which comprises of two, three, four or more metal profiles connected to each other, whereas the metal profiles are connected to each other by means of a fixing elements located on the edges of the base, whereas one edge is provided with a male fixing element and the other one with a female fixing element.
  • the fourth aspect of the invention is a metal profile, the cross-section of which is depicted in Fig. 1 A and IB.
  • the fifth aspect of the invention is a LED lighting fixture, which comprises of a fixating lens, the cross-section of which is depicted in Fig. 3.
  • the fifth aspect of the invention is an additional cooling radiator, which can be connected to a metal profile with slide-grooves.
  • the invention can be used with LEDs of suitable size and design, for instance 1W Power LED and with SMD LED equipped with a radiator.
  • Fig. 1 A depicts an end-view of a metal profile and Fig. IB depicts an axonometric view of a metal profile.
  • Fig. 2 depicts a side-view of a LED.
  • Fig 3. depicts a cross-section of the fixating lens matching with the metal profile.
  • Fig. 4 depicts an end-view of an assembled LED lighting fixture (a fixating lens is depicted as a cross-section).
  • Fig. 5 and 6 depict connecting possibilities of metal profiles for manufacturing different LED lighting fixtures.
  • Fig 7. depicts a top-view of a LED lighting fixture manufactured according to one model of invention.
  • Fig. 8 depicts an additional cooling radiator matching the metal profile.
  • FIG. 1 A and IB An example of the claimed first model of invention is depicted in Fig. 1 A and IB.
  • the inner sides of the branches are provided with connecting elements 5 and 6, the distance of which from the base, as well as the shape of connecting elements is chosen so that LED 7 (see Fig. 2), which includes a plate radiator 8, is pressed against the base.
  • the space between the plate radiator 8 and base 2 may be filled with thermal paste 9, to ensure sufficient heat transmission from the plate radiator to the metal profile.
  • a fixating lens 10 (see Fig. 3) can be placed on the LED, the function of which is to apply additional pressure on the radiator of the LED to press it against the metal profile and to distribute and direct the light emitted from the side portion of the LED.
  • a fixating lens 10 comprises of an opening 1 1 and a concave part 12, meaning the fixating lens does not cover the light source but protects the LED from mechanical damages.
  • the fixating lens is fastened on the metal profile with a snap connection, which consists of a lens-side of the snap connection 13 and metal profile-side of the snap connection 14.
  • the fixating lens-side of the snap connection is concave and it matches the metal profile-side of the snap connection depicted in Fig. 1A and IB, which is convex (see Fig. 4).
  • a snap connection may also be of some other suitable design, for instance the fixating lens-side may be convex and the metal profile-side may be concave.
  • the base of the metal profile is provided with at least one power cable groove 15 for a power cable 16 meant to supply LEDs with electrical energy.
  • the outer side of the branches 3 and 4 of the metal profile is also provided with grooves 17 and 18, which according to the preferred variant are aligned with the connecting elements 5 and 6, respectively.
  • Fixing elements 19 and 20 can be used for connecting metal profiles to each other, forming sets comprising of two or more light strips (see Fig. 5 and Fig. 6).
  • Fig. 4 depicts an end-view of the assembled lighting fixture, the fixating lens of which is presented as a cross section.
  • the space between the radiator 8 and fixating lens 10 may be filled with suitable filling material 21, which improves water tightness, dust-proofness and heat conductivity of the lighting fixture.
  • Grooves 17 and 18 may be used for placing a power cable 16 but it can also be used for connecting metal profiles with a male fixing element 19.
  • a base can also be provided with a fixing rail, which has the first half 22 and the second half 23.
  • a fixing rail may also be used for fastening of the metal profile to another object, for instance to a lighting board, wall, etc.
  • a fixing rail allows two metal profiles to be connected to each other so that the first half of the fixing rail of one metal profile is inserted in the second half of the fixing rail of the other metal profile.
  • FIG. 7 One model of invention of a claimed LED lighting fixture is depicted in Fig. 7.
  • the depicted lighting fixture comprises of three LEDs 7, which are fastened on the metal profile 1 with radiators 8 as shown in Fig. 4.
  • the LED in the middle is additionally fastened with a fixating lens 10.
  • Fig. 8 depicts an additional cooling radiator 24 connected to the metal profile 1.
  • the fixing rail of the metal profile (Fig. 8 depicts the first half of it 22) is slid along the rail of the cooling radiator 26 to a suitable position.
  • the cooling radiator 24 is provided with a sufficient number of ribs 25 and with the metal profile 1 ensures excellent cooling of the LEDs and enables easy and quick assembly of light sources and lighting fixtures.

Abstract

Metal profile for LED light, and LED light comprising such metal profile, wherein said metal profice is U-shaped, and comprises branches with fixing elements to secure the LED with plate radiator against the base of the metal profile, and the branches comprise snap connection elements to secure fixating lense above the LED to fix the LED against the base of the metal profile. The base of the metal profile comprises male connecting element on one edge of the base of the profile and a female connecting element on the other edge of the base of the profile so that two metal profiles can be connected to each other. Metal profile can be used to build strip LED lights with one or more LEDs, and LED lights comprising two or more metal profiles connected to each other. The invention can be used with LEDs with appropriate desing, such as 1W Power LED and SMD LED with radiator.

Description

METAL PROFILE FOR AN LED LIGHT SOURCE
TECHNICAL FIELD
The invention relateds to LED sources, in particular to metal profiles used for manufacturing lighting fixtures based on power LEDs.
BACKGROUND ART
An LED is a semiconductor device, which emits light. Also LEDs emitting white light with different light spectrum to be used for lighting, in general lighting, spot lighting and specific lighting, including for instance for lighting advertisement boards and light boxes, whereas generally several LEDs are connected to one lighting fixture, have been developed. The power of LEDs used for lighting is in the range of 0.06 W to 1 W or even more. The more powerful the LED is, the more important it is to ensure sufficient cooling. Such LEDs are provided with a radiator.
A lighting fixture design, where LEDs are installed on an aluminium profile, which functions simultaneously as a supporting structure and a radiator, is known (see http://www.leds.de/en/LED-strips-modules-oxid-oxid-oxid-oxid-oxid/High-power-LED- strips/Aluminium-case-set-600mm.html). SMD LEDs are fastened on a base, which in its turn is installed inside of an aluminium profile. The aluminium profile is covered with a translucent dome. This can be considered as the closest solution known from background art. The disadvantage of this solution is the use of SMD LEDs with weak luminous intensity and power, and insufficient heat exchange between the LED and the aluminium profile.
The objective of the invention is to use power LEDs (for example 1 W), to provide sufficient cooling thereof and to allow easy assembly.
DISCLOSURE OF THE INVENTION The objective of the invention is achieved with a metal profile, the cross-section of which is generally U-shaped and the branch of which is equipped with elements for sliding the plate radiator of the LED along the metal profile and for keeping the plate radiator against the base of the metal profile and the branches are equipped with connecting elements for fastening a fixating lens above the LED by means of a snap connection. According to the preferred embodiment there is at least one groove on the outer side of the bottom of the profile for arranging a cable. According to one of the embodiments there is at least one groove on the external side of both branches for arranging a power cable. According to one embodiment there is a connecting element on one edge of the base of the metal profile for connecting the metal profile to a connecting element on the other edge of the base of another similar metal profile. The second aspect of the invention is a light source with a LED (hereinafter a lighting fixture), which includes the above described metal profile, where there is at least one LED with a plate radiator. The plate radiator of the LED is slid from the end of the metal profile into a suitable position between the branches. The plate radiator of the LED forms a uniform, monolithic system with the metal profile, ensuring efficient heat distribution. For the best heat distribution the space between the plate radiator of the LED and metal profile is filled with thermal paste. To ensure more tight contact of the plate radiator of the LED with the base of the metal profile, the plate radiator is pressed against the base of the metal profile with a fixating lens provided with a snap connection. Filling material may be added in the space between the fixating lens and LED. In case a lighting fixture comprises of several LEDs, the space between the LEDs may be filled with filling material. To supply LEDs with electrical energy needed for operation, power cables are installed in the cable grooves located in the base of the metal profile.
The third aspect of the invention is a LED lighting fixture, which comprises of two, three, four or more metal profiles connected to each other, whereas the metal profiles are connected to each other by means of a fixing elements located on the edges of the base, whereas one edge is provided with a male fixing element and the other one with a female fixing element.
The fourth aspect of the invention is a metal profile, the cross-section of which is depicted in Fig. 1 A and IB. The fifth aspect of the invention is a LED lighting fixture, which comprises of a fixating lens, the cross-section of which is depicted in Fig. 3. The fifth aspect of the invention is an additional cooling radiator, which can be connected to a metal profile with slide-grooves. The invention can be used with LEDs of suitable size and design, for instance 1W Power LED and with SMD LED equipped with a radiator.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 A depicts an end-view of a metal profile and Fig. IB depicts an axonometric view of a metal profile.
Fig. 2 depicts a side-view of a LED.
Fig 3. depicts a cross-section of the fixating lens matching with the metal profile.
Fig. 4 depicts an end-view of an assembled LED lighting fixture (a fixating lens is depicted as a cross-section). Fig. 5 and 6 depict connecting possibilities of metal profiles for manufacturing different LED lighting fixtures.
Fig 7. depicts a top-view of a LED lighting fixture manufactured according to one model of invention.
Fig. 8 depicts an additional cooling radiator matching the metal profile. EXAMPLES
An example of the claimed first model of invention is depicted in Fig. 1 A and IB. The cross- section of a metal profile 1, manufactured of suitable metal, for instance aluminium or aluminium alloy, is of modified U-shape and comprises of a base 2 and branches 3 and 4. The inner sides of the branches are provided with connecting elements 5 and 6, the distance of which from the base, as well as the shape of connecting elements is chosen so that LED 7 (see Fig. 2), which includes a plate radiator 8, is pressed against the base. The space between the plate radiator 8 and base 2 may be filled with thermal paste 9, to ensure sufficient heat transmission from the plate radiator to the metal profile.
A fixating lens 10 (see Fig. 3) can be placed on the LED, the function of which is to apply additional pressure on the radiator of the LED to press it against the metal profile and to distribute and direct the light emitted from the side portion of the LED. A fixating lens 10 comprises of an opening 1 1 and a concave part 12, meaning the fixating lens does not cover the light source but protects the LED from mechanical damages. The fixating lens is fastened on the metal profile with a snap connection, which consists of a lens-side of the snap connection 13 and metal profile-side of the snap connection 14. In case of a fixating lens depicted in Fig. 3 the fixating lens-side of the snap connection is concave and it matches the metal profile-side of the snap connection depicted in Fig. 1A and IB, which is convex (see Fig. 4). A snap connection may also be of some other suitable design, for instance the fixating lens-side may be convex and the metal profile-side may be concave.
The base of the metal profile is provided with at least one power cable groove 15 for a power cable 16 meant to supply LEDs with electrical energy. The outer side of the branches 3 and 4 of the metal profile is also provided with grooves 17 and 18, which according to the preferred variant are aligned with the connecting elements 5 and 6, respectively.
One edge of the base of the metal profile is provided with a male fixing element 19 and the other edge with a female fixing element 20. Fixing elements 19 and 20 can be used for connecting metal profiles to each other, forming sets comprising of two or more light strips (see Fig. 5 and Fig. 6).
Fig. 4 depicts an end-view of the assembled lighting fixture, the fixating lens of which is presented as a cross section. In addition to the already described elements the space between the radiator 8 and fixating lens 10 may be filled with suitable filling material 21, which improves water tightness, dust-proofness and heat conductivity of the lighting fixture. Grooves 17 and 18 may be used for placing a power cable 16 but it can also be used for connecting metal profiles with a male fixing element 19.
As depicted in Fig. 1 A and 1 B, a base can also be provided with a fixing rail, which has the first half 22 and the second half 23. A fixing rail may also be used for fastening of the metal profile to another object, for instance to a lighting board, wall, etc. In addition a fixing rail allows two metal profiles to be connected to each other so that the first half of the fixing rail of one metal profile is inserted in the second half of the fixing rail of the other metal profile.
One model of invention of a claimed LED lighting fixture is depicted in Fig. 7. The depicted lighting fixture comprises of three LEDs 7, which are fastened on the metal profile 1 with radiators 8 as shown in Fig. 4. The LED in the middle is additionally fastened with a fixating lens 10. Fig. 8 depicts an additional cooling radiator 24 connected to the metal profile 1. The fixing rail of the metal profile (Fig. 8 depicts the first half of it 22) is slid along the rail of the cooling radiator 26 to a suitable position. The cooling radiator 24 is provided with a sufficient number of ribs 25 and with the metal profile 1 ensures excellent cooling of the LEDs and enables easy and quick assembly of light sources and lighting fixtures.
PARTS LIST
1 - metal profile; 2 - base; 3 - first branch; 4 - second branch; 5 - first connecting element; 6 - second connecting element ; 7 - LED; 8 - plate radiator of the LED; 9 - thermal paste; 10 - fixating lens; 11 - opening in the fixating lens; 12 - concave in the fixating lens; 13 - lens- side of the snap connection; 14 - metal profile-side of the snap connection; 15 - power cable groove in the base; 16 - power cable; 17 - groove in the first branch 1; 18 - groove in the second branch; 19 - first fixing element (male); 20 - second fixing element (female); 21 - filling material, 22 - first half of the fixing rail; 23 - second half of the fixing rail, 24 - additional cooling radiator, 25- ribs of the cooling radiator, 26 - rail of the cooling radiator.

Claims

1. A metal profile (1) with a plate radiator (8) for a LED light source, whereas the cross- section of the metal profile (1) is U-shaped, the branches (3, 4) of which are provided with connecting elements (5, 6) pointing towards one another, characterised in that the distance between the base (2) of the U-shaped cross-section and connecting elements (5, 6) is chosen according to the thickness of the plate radiator (8) of the LED (7) and the shape and size of the connecting elements (5, 6) are chosen so that the plate radiator (8) of the LED is pressed against the base (2) to ensure heat transmission from the radiator of the LED to the metal profile (1) and the distance between the connecting elements (5, 6) is bigger than the diameter of the LED (7).
2. A metal profile according to claim 1, characterised in that the branches are provided with a metal profile-side of the snap connection (14) for fastening of the fixating lens (10) on the LED.
3. A metal profile according to claim 2, characterised in that the connecting elements (5, 6) for fastening of the plate radiator are with a round cross-section so that a groove (17, 18) is formed on the opposite side of the element pointing towards the plate radiator.
4. A metal profile according to claims 2 to 3, characterised in that the cross-section of the metal profile-side of a snap connection (14) for fastening of the fixating lens (10) are round and dimensioned so that the fixating lens (10) is fastened between the branches with a snap connection.
5. A metal profile according to claims 1 to 4, characterised in that one edge of the base (2) is provided with a female fixing element (20) and the other end is provided with a male fixing element (19) for connecting two or more metal profiles to each other.
6. A metal profile according to claims 1 to 5, characterised in that the cross-section of the metal profile (1) is such as depicted in Fig. 1 A.
7. A metal profile according to claims 1 through 6, characterised in that the metal profile is adopted to be connected with a fixating lens (10), the cross-section of which is such as depicted in Fig. 3.
8. A metal profile according to claims 1 through 5, characterised in that the base (2) of the metal profile is provided with a fixing rail (22, 23) running along the longer side of the base for connecting the metal profile to another metal profile or any other object, which is provided with a rail matching the fixing rail.
9. A metal profile according to claim 8, characterised in that the other object is an additional cooling radiator (24).
10. A LED light source, comprising of any metal profile listed in the previous claim, whereas a LED (7) with a plate radiator (8) is slid to the base along the connecting elements (5,6) of the branches (3, 4) of the metal profile and the plate radiator (8) is pressed against the base with a fixating lens (10), which is fastened between the branches (3,4) of the metal profile with a snap connection, which consists of a lens- side of the snap connection (13) and a metal profile-side (14) corresponding to it, and there is a power cable (16) in the power cable groove (15) of the metal profile for supplying the LED with electrical energy.
PCT/IB2013/053211 2012-04-23 2013-04-23 Metal profile for an led light source WO2013160834A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EEU201200026U EE01214U1 (en) 2012-04-23 2012-04-23 Metal profile of LED luminaire
EEU201200026 2012-04-23

Publications (2)

Publication Number Publication Date
WO2013160834A2 true WO2013160834A2 (en) 2013-10-31
WO2013160834A3 WO2013160834A3 (en) 2014-01-09

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WO (1) WO2013160834A2 (en)

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