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Reflector and lamp comprised thereof

  • US 10,139,095 B2
  • Filed: 11/10/2014
  • Issued: 11/27/2018
  • Est. Priority Date: 05/04/2012
  • Status: Active Grant
First Claim
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1. A lamp with a central axis, comprising:

  • an envelope forming an interior volume;

    a reflector disposed in the interior volume at a reflector plane that is tangent to at least two points on the reflector, wherein the reflector comprises a plurality of facets disposed circumferentially about the central axis, wherein the facets are configured to at least partially reflect light from the light source; and

    a light source that is configured to generate light onto the reflector,wherein the reflector and the light source each have a profile with an outer profile diameter that forms a reflector-to-light source size ratio in a range of from about 2.8 to about 3.6;

    wherein, the envelope is configured to diffuse light from the light source with an intensity distribution of a level of approximately 100±

    25% over a range of values for a latitudinal co-ordinate θ

    between zero degrees (0°

    ) and one hundred thirty-five degrees (135°

    ) or greater.

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