GB2461935A - A fire resistant lighting unit for light emitting diode lamps - Google Patents

A fire resistant lighting unit for light emitting diode lamps Download PDF

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Publication number
GB2461935A
GB2461935A GB0820680A GB0820680A GB2461935A GB 2461935 A GB2461935 A GB 2461935A GB 0820680 A GB0820680 A GB 0820680A GB 0820680 A GB0820680 A GB 0820680A GB 2461935 A GB2461935 A GB 2461935A
Authority
GB
United Kingdom
Prior art keywords
fire resistant
resistant housing
lighting
lighting unit
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB0820680A
Other versions
GB2461935B (en
GB2461935C (en
GB0820680D0 (en
Inventor
Justin Maeers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Collingwood Lighting Ltd
Original Assignee
Collingwood Lighting 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40139783&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2461935(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Collingwood Lighting Ltd filed Critical Collingwood Lighting Ltd
Priority to GB0820680A priority Critical patent/GB2461935C/en
Publication of GB0820680D0 publication Critical patent/GB0820680D0/en
Priority to GB0905440A priority patent/GB2462155B/en
Priority to EP09760955.6A priority patent/EP2350527B1/en
Priority to AU2009315475A priority patent/AU2009315475B2/en
Priority to CN2009801449797A priority patent/CN102216675A/en
Priority to US13/127,929 priority patent/US20110299280A1/en
Priority to CA2740999A priority patent/CA2740999A1/en
Priority to GB1103915A priority patent/GB2475649B/en
Priority to NZ592256A priority patent/NZ592256A/en
Priority to PCT/GB2009/002651 priority patent/WO2010055294A2/en
Priority to KR1020117010795A priority patent/KR20110095863A/en
Priority to CN2009801449782A priority patent/CN102216682A/en
Priority to PCT/GB2009/002653 priority patent/WO2010055296A2/en
Priority to JP2011535165A priority patent/JP2012508439A/en
Priority to KR1020117010801A priority patent/KR20110095262A/en
Priority to US13/127,946 priority patent/US20110305016A1/en
Priority to BRPI0919638A priority patent/BRPI0919638A2/en
Priority to MX2011004412A priority patent/MX2011004412A/en
Priority to GB1104165.4A priority patent/GB2475012B/en
Priority to GB1113833.6A priority patent/GB2481730B/en
Priority to JP2011535166A priority patent/JP2012508440A/en
Priority to RU2011123796/07A priority patent/RU2011123796A/en
Priority to RU2011123797/07A priority patent/RU2011123797A/en
Priority to AU2009315473A priority patent/AU2009315473A1/en
Priority to CA2741001A priority patent/CA2741001A1/en
Priority to BRPI0919641A priority patent/BRPI0919641A2/en
Priority to MX2011004411A priority patent/MX2011004411A/en
Priority to NZ592254A priority patent/NZ592254A/en
Priority to GB1111032.7A priority patent/GB2481542B/en
Priority to EP09760956.4A priority patent/EP2344809B1/en
Publication of GB2461935A publication Critical patent/GB2461935A/en
Publication of GB2461935B publication Critical patent/GB2461935B/en
Priority to ZA2011/03392A priority patent/ZA201103392B/en
Priority to ZA2011/03393A priority patent/ZA201103393B/en
Priority to CL2011001087A priority patent/CL2011001087A1/en
Priority to CL2011001086A priority patent/CL2011001086A1/en
Priority to HK11109652.7A priority patent/HK1153907A1/en
Priority to HK11110331.4A priority patent/HK1156091A1/en
Publication of GB2461935C publication Critical patent/GB2461935C/en
Application granted granted Critical
Priority to HK12106498.0A priority patent/HK1165852A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases
    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/004—
    • 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
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21Y2101/00—Point-like light sources
    • F21Y2101/02—
    • 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]

Abstract

A recessed lighting unit (downlighter) includes a fire resistant housing 11 that is adapted to be mounted within an aperture in a partition 2. The housing 11 has a front side and a rear side. A light emitting diode (LED) lighting element 17 is mounted within the fire resistant housing on the front side thereof, and a heat sink 21 is mounted on the rear side of the fire resistant housing. The lighting element 17 and the heat sink are mounted in thermal contact with the fire resistant housing to dissipate heat generated in use by the lighting. Heat generated in use by the lighting element 17 is transferred by conduction to the heat sink 21 via the fire resistant housing 11.

Description

LIGHTING UNIT
The present invention relates to a lighting unit including a lighting element and a fire resistant housing that is adapted to be mounted in an aperture in a partition, for example a wall or ceiling panel. In particular, but not exclusively, the invention relates to a lighting unit including a light emitting diode (LED) lighting element.
With lighting units that include LED lighting elements it is important to prevent overheating of the element, as this can seriously affect both the light output and the service life of the element. Excessive temperatures can cause the electronic components within the lighting element to fail, thus causing premature failure of the lighting unit. It is common *..* practice therefore to provide LED lighting units with cooling means, for example a heat S...
sink andlor a fan, in order to dissipate heat generated in use by the lighting element.
: Fire-rated lighting units are designed to be mounted within an aperture in a partition (for :*l5 example a wall or a ceiling panel) that acts as a fire barrier. Such lighting units usually include a fire resistant housing that surrounds the light fitting. This fire resistant housing * . : fits into the aperture of the partition and is designed to maintain the integrity of the fire * barrier, thereby preventing flames from passing through the barrier and entering the void behind the barrier in the event of a fire.
A typical LED lighting unit is shown in Figure 1. This includes a fire resistant housing I made for example of pressed steel that fits into an aperture in a ceiling panel 2. In cross-section, the housing 1 resembles an open sided box having two side walls 3 and an upper end wall 4. A flange 5 extends outwards from the open lower end of the housing and engages the lower face of the partition 2. Ventilation holes 6 are provided in the upper end wall4.
An LED lighting element 7 is attached to a trim element 8, made for example of aluminium, glass or a suitable plastics material, which is mounted within the fire resistant housing 1. A heat sink 9, for example an aluminium extrusion, is attached to the back of the lighting element 7 in thermal contact therewith. A void 10 is provided between the heat sink 9 and the upper end wall 4 of the housing.
In use, heat generated by the lighting element 7 is transferred by conduction into the heat sink 9 and is then dissipated by convection and radiation. However, this process is inefficient, as the housing 1 surrounds the heat sink and thus restricts the dissipation of heat, both by convection and by radiation. Convection is also restricted by the fact that the light fitting is effectively sealed at its front end, thereby preventing any flow of air through the fitting.
It is an object of the present invention to provide a lighting unit that mitigates at least some of the aforesaid disadvantages.
According to the present invention there is provided a lighting unit including a fire resistant housing that is adapted to be mounted within an aperture in a partition, said housing having a front side and a rear side, a lighting element mounted within the fire * .** resistant housing on the front side thereof, and a heat sink for dissipating heat generated in * : : use by the lighting element, wherein the lighting element is mounted in thermal contact * : with the fire resistant housing so that heat generated in use by the lighting element is * ** 20 transferred by conduction into the fire resistant housing, and the heat sink is mounted in :: : ; thermal contact with the rear side of the fire resistant housing to dissipate heat from the fire * resistant housing, the arrangement being such that heat generated in use by the lighting element is transferred by conduction to the heat sink via the fire resistant housing.
The lighting unit is able to dissipate heat efficiently from the lighting element because the heat sink is mounted on the rear side of the fire resistant housing, rather than being located within the housing. Heat can therefore be dissipated efficiently from the lighting element by conduction and radiation, ensuring that the lighting element does not overheat. A reduction in the light output and the service life of the element is thus avoided.
Furthermore, the fire resistance of the housing is not compromised.
Advantageously, the lighting element is a solid state lighting element, and preferably an LED lighting element.
The fire resistant housing preferably comprises an open sided box having side walls and an end wall. The fire resistant housing preferably includes a flange that extends outwardly from the side walls at the open side of the housing. The heat sink is preferably attached to the end wall of the fire resistant housing. Alternatively, the heat sink may be attached to another part of the housing, for example a side wall.
The lighting unit may include a trim element. The trim element preferably covers the outwardly extending flange. Preferably, the trim element extends between the lighting element and the side walls of the fire resistant housing.
The lighting unit may include a transparent or translucent cover plate that extends across the open side of the fire resistant housing.
An embodiment of the invention will now be described by way of example, with reference *: . ::* to the accompanying drawings, wherein: Figure 1 is a cross-sectional side view through a prior art lighting unit, and * : ..: Figure 2 is a cross-sectional side view through a lighting unit according to an embodiment : of the invention.
*: *::* A lighting unit 10 according to one embodiment of the invention is shown in Figure 2.
* :* : This lighting unit includes a fire resistant housing 11 made for example of pressed steel that fits into an aperture in a partition 2 (for example, a ceiling panel). In cross-section, the housing resembles an open sided box having two side walls 13 and an upper end wall 14.
If the lighting unit is rectangular in plan view, the housing will also include two perpendicular walls (not shown), although it may of course take any convenient shape.
The housing 11 thus has a front side that faces outwards and a rear side that faces inwards into the recess behind the partition 2. A flange 15 extends outwards from the open lower end of the housing and engages the lower face of the partition 2.
An LED lighting element 17, comprising for example one or more LEDs on an aluminium mounting plate, is attached to the lower face of the upper end wall 14 so that it is in good thermal contact therewith. A trim element 18 for example of glass, aluminium or a suitable plastics material is mounted within the fire resistant housing 11, between the side walls 13 and the LED lighting unit 17. At its lower end the trim element 18 includes an outwardly extending cover plate 19 that covers the flange 15. An optional glass cover plate 20 extends across the open side of the fire resistant housing 11.
A heat sink 21, for example an aluminium extrusion, is attached to the upper face of the end wall 14 on the rear side of the fire resistant housing 11, so that it makes good thermal contact with the fire resistant housing 11. The heat sink 21 extends upwards into the void behind the partition 2.
In use, heat generated by the LED lighting element 17 is transferred by conduction into the fire resistant housing 11 and then from the fire resistant housing 11 into the heat sink 21.
The heat is then dissipated by convection and radiation into the void, as illustrated by the broken arrows (A). Some heat is also dissipated by conduction from the fire resistant housing 11 into the body of the partition 2 and into the interior of the room as indicated by the arrows (B). This arrangement ensures that heat is dissipated efficiently from the LED lighting unit 17, thus avoiding over-heating and ensuring a high light output and a long S...
service life.
* : In the event of a fire, the LED lighting element 17, the trim element 18, 19 and the cover * plate 20 may melt and fall out of the housing 11. However, the fire barrier formed by the ::;20 partition 2 and the steel fire resistant housing 11 is not compromised.

Claims (10)

  1. CLAIMSI. A lighting unit including a fire resistant housing that is adapted to be mounted within an aperture in a partition, said housing having a front side and a rear side, a lighting element mounted within the fire resistant housing on the front side thereof, and a heat sink for dissipating heat generated in use by the lighting element, wherein the lighting element is mounted in thermal contact with the fire resistant housing so that heat generated in use by the lighting element is transferred by conduction into the fire resistant housing, and the heat sink is mounted in thermal contact with the rear side of the fire resistant housing to dissipate heat from the fire resistant housing, the arrangement being such that heat generated in use by the lighting element is transferred by conduction to the heat sink via the fire resistant housing.
  2. 2. A lighting unit according to claim 1, wherein the lighting element is a solid state * lighting element.
  3. 3. A lighting unit according to claim 1, wherein the lighting element is an LED lighting element.
  4. 4. A lighting unit according to any one of the preceding claims, wherein the fire resistant housing comprises an open sided box having side walls and an end wall.
  5. 5. A lighting unit according to claim 4, wherein the fire resistant housing includes a flange that extends outwardly from the side walls at the open side of the housing.
  6. 6. A lighting unit according to claim 4 or claim 5, in which the heat sink is attached to the end wall of the fire resistant housing.
  7. 7. A lighting unit according to any one of claims 4 to 6, including a trim element. -t:,-
  8. 8. A lighting unit according to claim 7 when dependent on claim 5, in which the trim element covers the outwardly extending flange.
  9. 9. A lighting unit according to claim 7 or claim 8, in which the trim element extends between the lighting element and the side walls of the fire resistant housing.
  10. 10. A lighting unit according to any one of claims 4 to 9, including a transparent or translucent cover plate that extends across the open side of the fire resistant housing. * ** *. * * ** *** * * S * * * * * * * * ** * S * * S. *. S d * **
GB0820680A 2008-11-12 2008-11-12 Lighting unit. Active GB2461935C (en)

Priority Applications (37)

Application Number Priority Date Filing Date Title
GB0820680A GB2461935C (en) 2008-11-12 2008-11-12 Lighting unit.
GB0905440A GB2462155B (en) 2008-11-12 2009-03-30 Lighting unit
EP09760956.4A EP2344809B1 (en) 2008-11-12 2009-11-12 Lighting unit
GB1113833.6A GB2481730B (en) 2008-11-12 2009-11-12 Lighting unit
AU2009315473A AU2009315473A1 (en) 2008-11-12 2009-11-12 Lighting unit
CN2009801449797A CN102216675A (en) 2008-11-12 2009-11-12 Light emitting unit
US13/127,929 US20110299280A1 (en) 2008-11-12 2009-11-12 Lighting unit
CA2740999A CA2740999A1 (en) 2008-11-12 2009-11-12 Lighting unit
GB1103915A GB2475649B (en) 2008-11-12 2009-11-12 Lighting unit
NZ592256A NZ592256A (en) 2008-11-12 2009-11-12 Lighting unit
PCT/GB2009/002651 WO2010055294A2 (en) 2008-11-12 2009-11-12 Lighting unit
KR1020117010795A KR20110095863A (en) 2008-11-12 2009-11-12 Lighting unit
CN2009801449782A CN102216682A (en) 2008-11-12 2009-11-12 Light emitting unit
PCT/GB2009/002653 WO2010055296A2 (en) 2008-11-12 2009-11-12 Lighting unit
JP2011535165A JP2012508439A (en) 2008-11-12 2009-11-12 Lighting device
KR1020117010801A KR20110095262A (en) 2008-11-12 2009-11-12 Lighting unit
US13/127,946 US20110305016A1 (en) 2008-11-12 2009-11-12 Lighting unit
BRPI0919638A BRPI0919638A2 (en) 2008-11-12 2009-11-12 lighting unit, partition and method for protecting said partition
MX2011004412A MX2011004412A (en) 2008-11-12 2009-11-12 Lighting unit.
GB1104165.4A GB2475012B (en) 2008-11-12 2009-11-12 Lighting unit
EP09760955.6A EP2350527B1 (en) 2008-11-12 2009-11-12 Lighting unit
JP2011535166A JP2012508440A (en) 2008-11-12 2009-11-12 Lighting device
RU2011123796/07A RU2011123796A (en) 2008-11-12 2009-11-12 LIGHTING DEVICE
RU2011123797/07A RU2011123797A (en) 2008-11-12 2009-11-12 LIGHTING DEVICE
AU2009315475A AU2009315475B2 (en) 2008-11-12 2009-11-12 Lighting unit
CA2741001A CA2741001A1 (en) 2008-11-12 2009-11-12 Lighting unit
BRPI0919641A BRPI0919641A2 (en) 2008-11-12 2009-11-12 lighting unit, partition and method for preventing fire from penetrating a hole formed in a partition
MX2011004411A MX2011004411A (en) 2008-11-12 2009-11-12 Lighting unit.
NZ592254A NZ592254A (en) 2008-11-12 2009-11-12 Lighting unit with a fire resistant housing that transfers heat to a heat sink on a rear side
GB1111032.7A GB2481542B (en) 2008-11-12 2009-11-12 Lighting unit
ZA2011/03392A ZA201103392B (en) 2008-11-12 2011-05-10 Lighting unit
ZA2011/03393A ZA201103393B (en) 2008-11-12 2011-05-10 Lighting unit
CL2011001087A CL2011001087A1 (en) 2008-11-12 2011-05-12 Illumination unit, partition and method of protecting a partition with a hole formed in it against the penetration of fire into the hole
CL2011001086A CL2011001086A1 (en) 2008-11-12 2011-05-12 Lighting unit that includes a fire resistant element that is adapted to be mounted within an opening in a partition; division and associated method.
HK11109652.7A HK1153907A1 (en) 2008-11-12 2011-09-14 Lighting unit
HK11110331.4A HK1156091A1 (en) 2008-11-12 2011-10-03 Lighting unit
HK12106498.0A HK1165852A1 (en) 2008-11-12 2012-07-04 Lighting unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0820680A GB2461935C (en) 2008-11-12 2008-11-12 Lighting unit.

Publications (4)

Publication Number Publication Date
GB0820680D0 GB0820680D0 (en) 2008-12-17
GB2461935A true GB2461935A (en) 2010-01-20
GB2461935B GB2461935B (en) 2010-12-08
GB2461935C GB2461935C (en) 2012-03-28

Family

ID=40139783

Family Applications (6)

Application Number Title Priority Date Filing Date
GB0820680A Active GB2461935C (en) 2008-11-12 2008-11-12 Lighting unit.
GB0905440A Active GB2462155B (en) 2008-11-12 2009-03-30 Lighting unit
GB1104165.4A Active GB2475012B (en) 2008-11-12 2009-11-12 Lighting unit
GB1103915A Active GB2475649B (en) 2008-11-12 2009-11-12 Lighting unit
GB1113833.6A Active GB2481730B (en) 2008-11-12 2009-11-12 Lighting unit
GB1111032.7A Active GB2481542B (en) 2008-11-12 2009-11-12 Lighting unit

Family Applications After (5)

Application Number Title Priority Date Filing Date
GB0905440A Active GB2462155B (en) 2008-11-12 2009-03-30 Lighting unit
GB1104165.4A Active GB2475012B (en) 2008-11-12 2009-11-12 Lighting unit
GB1103915A Active GB2475649B (en) 2008-11-12 2009-11-12 Lighting unit
GB1113833.6A Active GB2481730B (en) 2008-11-12 2009-11-12 Lighting unit
GB1111032.7A Active GB2481542B (en) 2008-11-12 2009-11-12 Lighting unit

Country Status (16)

Country Link
US (2) US20110299280A1 (en)
EP (2) EP2350527B1 (en)
JP (2) JP2012508440A (en)
KR (2) KR20110095262A (en)
CN (2) CN102216682A (en)
AU (2) AU2009315475B2 (en)
BR (2) BRPI0919641A2 (en)
CA (2) CA2740999A1 (en)
CL (2) CL2011001087A1 (en)
GB (6) GB2461935C (en)
HK (3) HK1153907A1 (en)
MX (2) MX2011004411A (en)
NZ (2) NZ592256A (en)
RU (2) RU2011123796A (en)
WO (2) WO2010055294A2 (en)
ZA (2) ZA201103392B (en)

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US20140049980A1 (en) * 2011-03-31 2014-02-20 Koninklijke Philips N.V. Solid State Lighting Strip for Mounting in or on a Panel Support Element of a Modular Panel System
WO2015040603A1 (en) * 2013-09-23 2015-03-26 Aurora Ip Holdings Limited Improvements in and relating to a lighting unit
GB2561162A (en) * 2017-03-30 2018-10-10 Kinace Innovations Ltd LED Lighting Unit

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US9028087B2 (en) 2006-09-30 2015-05-12 Cree, Inc. LED light fixture
US7686469B2 (en) 2006-09-30 2010-03-30 Ruud Lighting, Inc. LED lighting fixture
US9243794B2 (en) 2006-09-30 2016-01-26 Cree, Inc. LED light fixture with fluid flow to and from the heat sink
US20090086491A1 (en) 2007-09-28 2009-04-02 Ruud Lighting, Inc. Aerodynamic LED Floodlight Fixture
JP5708983B2 (en) * 2010-03-29 2015-04-30 東芝ライテック株式会社 Lighting device
TWI529343B (en) * 2010-08-09 2016-04-11 氣動系統股份有限公司 Insulated led device and manufacturing method thereof
CN202284754U (en) 2011-10-26 2012-06-27 武良举 Light emitting diode (LED) fireproof lamp
JP2013161614A (en) * 2012-02-03 2013-08-19 Panasonic Corp Lighting fixture
WO2013155446A1 (en) * 2012-04-13 2013-10-17 Cree, Inc. Led light fixture with fluid flow to and from the heat sink
GB201309520D0 (en) * 2013-05-28 2013-07-10 Ryan James A An Electrical Fitting Adapted to be Recessed in a Partition and Support an Electrical and/or Electronic device
US20170141278A1 (en) * 2015-11-17 2017-05-18 Toshiba Corporation Led assembly for led package with sidewall electrodes
GB2557957B (en) * 2016-12-20 2019-02-20 Integral Memory Plc A fire resistant recessable light unit
DE102018109542B4 (en) * 2018-04-20 2022-08-04 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung LIGHT-emitting device and method for manufacturing a light-emitting device
KR101974957B1 (en) * 2019-04-03 2019-05-03 (주) 은성하이텍 Cooling System for Street Lights
USD971492S1 (en) 2019-11-08 2022-11-29 Abl Ip Holding Llc Downlight reflector
US11015785B1 (en) 2020-02-19 2021-05-25 Abl Ip Holding Llc Light fixture system with continuous fire barrier
US11118769B1 (en) 2020-02-20 2021-09-14 Abl Ip Holding Llc Rotating and tilting lighting fixtures

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