Device and apparatus for efficient collection and re-direction of emitted radiation
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United States of America Patent
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Aug 18, 2015
Grant Date -
Nov 27, 2014
app pub date -
Apr 18, 2014
filing date -
Sep 1, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus is described that includes a light source, a first reflector, a lens and a second reflector. The first reflector is positioned to reflect a first portion of light from the light source, wherein the first portion of light is radiated from the light source in a central forward solid angle as defined by an outer edge of the first reflector. The lens is disposed azimuthally horizontal to the light source for accepting a second portion of light from the light source emitted in a peripheral forward solid angle. The second reflector reflects the first portion of light after reflectance from the first reflector and the second portion of light after passing through the lens in a composite beam, wherein the first reflector and the lens are configured such that the first and second portions of light behave as though they were emitted from a point source at the focus of the second reflector.
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