Light guide structure having axial-light blocking reflector
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United States of America Patent
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Dec 29, 2015
Grant Date -
Jun 5, 2014
app pub date -
Jan 14, 2013
filing date -
Nov 30, 2012
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Abstract
A light guide structure including a conical hollow light guide element having reflective inner surface, a light-emitting element (e.g., an LED) provided in one end of the conical light guide element, and a reflective element covering an opening on the other end of the conical light guide element and including a light-permeable region and an opaque reflective region corresponding to an optical axis of the light-emitting element, with the light-permeable region is located around the opaque reflective region and outside the optical axis.
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