Dichroic Filters On Flexible Polymer Film Substrates
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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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Citations
35 Claims
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1-22. -22. (canceled)
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23. A dichroic filter comprising:
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a polymer film substrate comprising poly(ethylene naphthalate);
a stack formed on said polymer film substrate, wherein said stack comprises at least 5 alternating layers of titanium dioxide and silicon dioxide and wherein said dichroic filter transmits only a subset of wavelengths in the visible spectrum of wavelengths. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification