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OPTICAL LENS, LED MODULE HAVING THE OPTICAL LENS, AND LIGHTING APPARATUS HAVING THE LED MODULE

  • US 20120051066A1
  • Filed: 07/13/2011
  • Published: 03/01/2012
  • Est. Priority Date: 08/24/2010
  • Status: Active Grant
First Claim
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1. An optical lens comprising:

  • a lens body having an outer surface extending in a longitudinal direction and formed to be symmetrical in a lateral direction; and

    a cavity formed at a lower portion of the lens body and having inner side faces asymmetrical in the longitudinal direction.

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