Optical panel for LED light source

  • US 8,870,413 B2
  • Filed: 12/20/2013
  • Issued: 10/28/2014
  • Est. Priority Date: 07/30/2012
  • Status: Active Grant
First Claim
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1. An optics panel for use in a light emitting diode (LED) lighting assembly for illuminating a billboard that has a display surface extending between outer edges of the billboard, the optics panel comprising:

  • a plurality of LEDs directed toward the display surface; and

    a plurality of optical elements, each optical element disposed over only one associated LED and configured to direct light from that LED toward the display surface, such that the light from each LED is directed across the entire display surface of the billboard so that, for each LED, a ratio of the average illumination from that LED across the entire display surface to the minimum illumination from that LED at any point on the display surface is 3;

    1.

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