Film comprising substrate-free polymer dispersed liquid crystal; fiber, fabric, and device thereof; and methods thereof
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United States of America Patent
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Issued Date -
Nov 4, 2010
app pub date -
Apr 29, 2010
filing date -
Apr 29, 2009
priority date (Note) -
Abandoned
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Abstract
The invention provides a film comprising a polymer dispersed liquid crystal (PDLC) which exists independently from a substrate, i.e. a substrate-free PDLC; a fiber, a fabric, and a device thereof; and methods thereof. In an embodiment, a mixture comprising liquid crystal and monomers floats and is spread over a liquid base, before polymerization the mixture into a layer of polymer matrix dispersed with liquid crystal domains. The invention exhibits numerous technical merits such as improved transmittance, enhanced brightness, easier manufacturability, more flexible manufacturability, better cost-effectiveness, enhanced electro-optical performance, and improved device uniformity, among others.
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