Low profile LED lighting assembly
First Claim
Patent Images
1. A low profile LED lighting assembly, comprising:
- a housing having a top wall and a plurality of peripheral sidewalls extending from the top wall, defining an open bottom and interior of the housing;
a square-shaped central region disposed in the interior of the housing and facing downward through the open bottom of the housing, the central region having no light sources;
an inner four-sided ring configuration of alternating LED lights and reflector assemblies disposed in concentric relation around the central region, each of the LED lights of the inner ring being adjacent to a respective pair of the reflector assemblies, each of the inner ring reflector assemblies having a plurality of facets; and
an outer four-sided ring configuration of alternating LED lights and reflector assemblies disposed in concentric relation around the inner ring of LED lights and reflector assemblies, each of the LED lights of the outer ring being adjacent to a respective pair of the reflector assemblies, each of the outer ring reflector assemblies having a plurality of facets;
wherein each of the LED lights in the inner and outer rings directly faces a facet of one of the adjacent reflector assemblies, instead of directly facing a target area of illumination, so that light emitted by the LED is incident to the facing facet; and
wherein the LED is mounted in a plane forming a dihedral angle α
relative to the top wall, the angle α
being less than 90°
.
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Abstract
The Low profile LED lighting assembly includes a housing, a circuit board, a plurality of LEDs, and a plurality of reflector assemblies. The circuit board provides wiring and power to thirty-two LEDs arranged in the housing. Each LED is surrounded by a reflector assembly and arranged within the housing to provide a relatively uniform and bright central region to illuminate a predetermined space beneath the device. Each LED and reflector assembly is adapted to illuminate a portion of the total target area. The reflector assembly has five asymmetrical facets surrounding each LED to direct the LED light output to a region within the narrow region of the target space. Repetition of this arrangement results in a light distribution pattern that covers the entire target area.
39 Citations
11 Claims
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1. A low profile LED lighting assembly, comprising:
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a housing having a top wall and a plurality of peripheral sidewalls extending from the top wall, defining an open bottom and interior of the housing; a square-shaped central region disposed in the interior of the housing and facing downward through the open bottom of the housing, the central region having no light sources; an inner four-sided ring configuration of alternating LED lights and reflector assemblies disposed in concentric relation around the central region, each of the LED lights of the inner ring being adjacent to a respective pair of the reflector assemblies, each of the inner ring reflector assemblies having a plurality of facets; and an outer four-sided ring configuration of alternating LED lights and reflector assemblies disposed in concentric relation around the inner ring of LED lights and reflector assemblies, each of the LED lights of the outer ring being adjacent to a respective pair of the reflector assemblies, each of the outer ring reflector assemblies having a plurality of facets; wherein each of the LED lights in the inner and outer rings directly faces a facet of one of the adjacent reflector assemblies, instead of directly facing a target area of illumination, so that light emitted by the LED is incident to the facing facet; and wherein the LED is mounted in a plane forming a dihedral angle α
relative to the top wall, the angle α
being less than 90°
. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification
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Current AssigneeRevlite Technologies, Inc.
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Original AssigneeRevlite Technologies, Inc.
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InventorsWylde, Jonathan, Ng-See-Quan, Wendell, Ng-See-Quan, Winfield
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Application NumberUS12/461,109Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current362/240CPC Class CodesF21S 8/086 with lighting device attach...F21V 7/0025 Combination of two or more ...F21W 2131/10 Outdoor lightingF21Y 2113/00 Combination of light sourcesF21Y 2115/10 Light-emitting diodes [LED]
