Substrate such as paving brick with non-powered photoluminescent portion
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United States of America Patent
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Aug 9, 2011
Grant Date -
Sep 11, 2008
app pub date -
Mar 7, 2008
filing date -
Mar 8, 2007
priority date (Note) -
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Abstract
A non-powered photoluminescent paving brick includes a substrate defining one of a cavity and a channel that extends from one end to an opposite end of the substrate. A photoluminescent portion includes a light transmissive resin including a suspension of photoluminescent particles. The photoluminescent portion is arranged in the one of the cavity and the channel and wherein the light transmissive resin has an exposed outer surface that directly receives light.
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