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LOW PROFILE LUMINAIRE WITH LIGHT GUIDE AND ASSOCIATED SYSTEMS AND METHODS

  • US 20140056026A1
  • Filed: 08/30/2013
  • Published: 02/27/2014
  • Est. Priority Date: 10/05/2009
  • Status: Active Grant
First Claim
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1. A luminaire comprising:

  • a heat sink;

    a light source carried by the heat sink and configured to emit a source light, the light source comprisinga heat spreader having an inner surface and an outer surface, anda plurality of light-emitting diodes (LEDs) disposed generally along an outer peripheral perimeter portion of the inner surface of the heat spreader, and positioned in thermal communication therewith;

    a reflector disposed generally coextensive with the plurality of LEDs and comprising an aperture formed in a medial region thereof, an outer edge of the aperture defining an inner rim of the reflector;

    a light guide positioned between the reflector and the light source, the light guide characterized, at any position along its width, by a height defined as the distance between the inner surface of the heat spreader and a plane defined by the inner rim of the reflector, the light guide configured to change the source light into a first shaped light; and

    a connector to secure the reflector, the light guide, and the light source to the heat sink;

    wherein the source light is emitted from the light source incident upon the reflector, and is changed by the light guide into the first shaped light that is directed by the light guide through the aperture.

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