SECURITY ELEMENT HAVING LIGHT-CONDUCTING STRUCTURES
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United States of America Patent
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Issued Date -
Mar 7, 2013
app pub date -
Apr 28, 2011
filing date -
May 26, 2010
priority date (Note) -
Abandoned
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Abstract
The invention relates to a security element having a carrier substrate, at least one surface layer and a waveguide layer, characterized in that the waveguide layer has at least one area in which light is guided both laterally and vertically.
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