CONTROL OF GRAZING ANGLE STRAY LIGHT
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United States of America Patent
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Oct 22, 2015
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Oct 22, 2015
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Abstract
Compact optical assemblies for the display of an image in a head worn display with improved contrast include an image source that provides image light, a folded optic, wherein the image light passes adjacent to an optical surface of the folded optic so that stray light associated with the image light is incident onto the optical surface at a grazing angle, and a structure associated with the optical surface that prevents the stray light from reflecting off of the optical surface.
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