LIGHT EXTRACTING ELEMENT HAVING SERPENTINE SHAPE, LIGHT REDIRECTING ELEMENT HAVING SERPENTINE SHAPE, AND LIGHTING ASSEMBLY INCLUDING THE SAME
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United States of America Patent
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Aug 15, 2016
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Aug 14, 2015
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Abstract
A light guide includes opposed major surfaces, a light input edge extending therebetween, and light extracting elements at at least one of the major surfaces. At least a portion of the light extracting elements includes: a longitudinal axis extending between a first end and a second end of the light extracting element; a first side surface and a second side surface each extending from the major surface; and a ridge or end surface connecting the first side surface and the second side surface, the ridge or end surface extending along the longitudinal axis in a non-linear, winding path as viewed from a direction orthogonal to the major surface. In some embodiments, a cover element includes light redirecting elements having a ridge or end surface extending along a longitudinal axis of the element in a non-linear, winding path as viewed from a direction orthogonal to the major surface.
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