Billboard and Lighting Assembly with Heat Sink

  • US 20160329005A1
  • Filed: 07/21/2016
  • Published: 11/10/2016
  • Est. Priority Date: 07/30/2012
  • Status: Active Grant
First Claim
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1. An apparatus comprising a lighting assembly for illumination of an area, the lighting assembly comprising:

  • a substantially planar substrate;

    a plurality of light emitting diodes (LEDs) arranged in a plurality of rows on a first surface of the substrate, the rows extending along a longitudinal axis in a plane of the first surface of the substrate;

    a plurality of optical elements, wherein each optical element of the plurality of optical elements is proximate an associated LED of the plurality of LEDs such that each optical element overlies a single LED and each LED underlies a single optical element, each optical element comprising a three-part lens; and

    a heat sink thermally coupled to a second surface of the substrate, the second surface opposite the first surface, the heat sink comprising a first section substantially parallel to the substrate so that each and every LED is separated from the heat sink by the substrate, the heat sink further comprising a plurality of fins extending away from the first section and substantially perpendicular thereto, each fin extending along an axis in the plane of the first surface of the substrate, the axis for each fin being substantially perpendicular to the longitudinal axis of the first surface of the substrate.

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