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Edge lit lighting device

  • US 9,459,397 B2
  • Filed: 09/11/2013
  • Issued: 10/04/2016
  • Est. Priority Date: 03/12/2013
  • Status: Active Grant
First Claim
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1. An edge lit lighting device comprising:

  • a rectangular prism shaped housing comprising an upper housing having a lower surface;

    a plurality of light sources attached to the lower surface; and

    a plurality of primary optics, each primary optic being associated with a light source of the plurality of light sources and positioned in optical communication with the associated light source, each primary optic comprisinga receiving surface positioned adjacent to the associated light source,a first surface, anda second emitting surface;

    wherein the primary optics are carried by the planar surfaces of the rectangular prism shaped housing;

    wherein the second emitting surface comprises a plurality of features configured to redirect light in the direction of the first surface;

    wherein the plurality of light sources and plurality of primary optics are positioned so as to emit light in the direction of a secondary optic; and

    wherein a primary optic of the plurality of primary optics is positioned so as to emit light in a direction approximately orthogonal to another primary optic of the plurality of primary optics.

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