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LED BASED LAMP AND METHOD FOR MANUFACTURING THE SAME

  • US 20120001531A1
  • Filed: 01/28/2011
  • Published: 01/05/2012
  • Est. Priority Date: 06/30/2010
  • Status: Active Grant
First Claim
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1. A light emitting diode (LED) based lamp comprising:

  • a housing;

    a LED module having at least one LED to provide light, the LED module provided in the housing;

    a lens to receive the light from the LED and to guide the light to a specific area, andwherein an outer circumference surface of the lens to minimize light from being transmitted to a region outside the specific area, and the outer circumference surface of the lens has one of a different surface roughness than an inner surface of the lens or a different light transmissivity than the inner surface of the lens.

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