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Collector for an LED array

  • US 4,767,172 A
  • Filed: 03/11/1985
  • Issued: 08/30/1988
  • Est. Priority Date: 01/28/1983
  • Status: Expired due to Term
First Claim
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1. A molded light collector for collimating the light rays emitting from a relatively wide emission light source for coupling to an optical wave guide, the light source being an LED mounted on a substrate, the light collector enclosing the LED and forming a hemispherical cavity around the LED, a portion of the light collector being integrally secured to the substrate, the light collector comprisingan optical wave guide,a lens portion for collimating the light exiting from the light source substantially perpendicular to the substrate, anda reflecting portion attached to the substrate for collimating the light exiting from the light source substantially parallel to the substrate, the hemispherical cavity forming an air pocket between the LED and the light collector wherein the collimated light beams are combined and applied to the optical wave guide.

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