Device and method for diffusing light

DC
  • US 6,079,854 A
  • Filed: 02/13/1998
  • Issued: 06/27/2000
  • Est. Priority Date: 02/13/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A light fixture, comprising:

  • a housing having;

    a front end,a back end opposite to the front end, anda sidewall interconnecting the front end and the back end for providing an interior space of the housing,an opening in the front end communicating with the interior space;

    a reflector disposed at the back end and facing the front end;

    a light source extending through the back end of the housing and the reflector to be operatively associated with the reflector at the interior space of the housing;

    a transparent cover extending across the opening at the front end of the housing;

    a concave lens disposed within the housing between the light source and the front end of the housing, the concave lens having;

    a peripheral edge for abutting against an inner surface of the housing,a receiving surface facing the light source, anda transmitting surface opposite to the receiving surface and facing the opening at the front end of the housing;

    a first region in the housing occupying an area between the reflector and the receiving surface of the concave lens and into which light from the light source is radiated to impact the receiving surface of the concave lens; and

    a second region in the housing occupying an area between the transmitting surface of the concave lens and the front end of the housing, the second region segregated into a plurality of channels into which light from the concave lens is radiated to provide a diffused pattern of dispersed light to exit the front end of the housing.

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