Laminated film roll and method of producing the same
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United States of America Patent
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Nov 22, 2022
Grant Date -
Nov 30, 2017
app pub date -
Dec 25, 2015
filing date -
Dec 26, 2014
priority date (Note) -
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Abstract
The present invention provides a new member having a low refractive index as a substitute for an air layer, for example. The laminated film roll of the present invention includes a long laminated film roll including: an ultra-low refractive index layer having a refractive index of 1.20 or less; and a resin film, wherein the ultra-low refractive index layer is stacked on the resin film. The method of forming the long laminated film roll of the present invention includes steps of: preparing a liquid containing microporous particles; coating a resin film with the liquid; and drying the liquid applied on the resin film, for example.
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