Aspherical LED lens and light emitting device including the same

  • US 9,022,618 B2
  • Filed: 11/15/2013
  • Issued: 05/05/2015
  • Est. Priority Date: 01/07/2010
  • Status: Active Grant
First Claim
Patent Images

1. An aspherical lens, comprising:

  • a light entrance plane configured to receive light emitted from a light source; and

    a light exit plane configured to radiate the light received by the light entrance plane,wherein the light exit plane comprises;

    protrusions disposed on a portion of a side surface of the light exit plane; and

    a curved surface disposed on the side surface of the light exit plane,wherein the aspherical lens has a symmetrical structure.

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