Security feature and value product and/or security product containing the security feature
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United States of America Patent
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Dec 12, 2017
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N/A
app pub date -
Oct 1, 2013
filing date -
Oct 2, 2012
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Abstract
An easily producible security feature according to the invention contains at least one luminescence device on and/or in a product carrier. Additionally, the security feature contains, in and/or on the product carrier, at least one absorptive spectral filter for luminescence radiation exiting from the at least one luminescence device, such that a color impression results both under illumination with visible radiation and under luminescence illumination conditions.
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