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United States of America Patent
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Issued Date -
Dec 18, 2008
app pub date -
Jun 13, 2007
filing date -
Jun 13, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light redirecting article for redirecting light toward comprises: a light exit surface with features meeting certain requirements; wherein first and second surfaces of the features are opposed to each other at an angle .alpha. that is in the range from 35 to 55 degrees; wherein the light redirecting article is formed from a material having an index of refraction less than 1.60; and wherein the target angle is from 5 to 25 degrees.
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