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Light emitting apparatus

DC
  • US 9,534,744 B2
  • Filed: 09/16/2015
  • Issued: 01/03/2017
  • Est. Priority Date: 11/20/2009
  • Status: Active Grant
First Claim
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1. A lens comprising:

  • a lens body having a convex top surface and a bottom surface, the convex top surface including a first recessed part at a central portion thereof and a flat top surface at a circumference of the top surface of the lens body, the bottom surface including a second recessed part at a central portion thereof, wherein the flat top surface is disposed lower than a lowest point of the first recessed part; and

    a plurality of lens supporters at the bottom surface of the lens body,wherein a maximum width (i) at a portion in which the convex top surface of the lens body is curved ranges from about 12 mm to about 18 mm,wherein a maximum width (j) of the lens body ranges from about 13 mm to about 19 mm,wherein a ratio of a maximum depth (b) of the second recessed part to a maximum thickness (h) of the lens body ranges from about 0.5 to about 0.75, andwherein a ratio of a maximum width (d) of the second recessed part to a maximum width (j) of the lens body ranges from about 0.14 to about 0.25.

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