Dichroic Filters on Flexible Polymer Film Substrates
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United States of America Patent
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app pub date -
Dec 20, 2007
filing date -
Apr 21, 2006
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Abandoned
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Abstract
Now, according to the present invention, dichroic filters are provided that incorporate a flexible polymer film substrate, such as poly(ethylene naphthalate), onto which a dielectric and/or reflective metal stack has been formed. Filters of the present invention are durable, flexible, and lightweight, and can be advantageously used in many specialty lighting applications.
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