OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME
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United States of America Patent
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Issued Date -
Oct 31, 2013
app pub date -
Sep 28, 2012
filing date -
Apr 26, 2012
priority date (Note) -
Abandoned
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Abstract
A lens for covering a light source to diverge light from the light source includes a light incident surface covering the light source, a light outputting surface positioned at lateral sides of the light incident surface; and a light reflecting surface positioned away from the light incident surface and interconnecting the light outputting surface. A reflectivity of the light reflecting surface is greater than a transmissivity thereof. Part of the light striking to the light reflecting surface is reflected by the light reflecting surface and traveling out of the lens via the light outputting surface. The other part of the light strikes to the light reflecting surface traveling out of the lens via the light reflecting surface. The light traveling through the lens has a viewing angle greater than 180 degrees.
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