Low haze switchable window

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United States of America Patent

PATENT NO 10921672
APP PUB NO 20170276978A1
SERIAL NO

15467189

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Abstract

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A switchable window includes an electro-optical layer of or including an anisotropic gel of polymer stabilized highly chiral liquid crystal, for example, blue phase liquid crystal, encapsulated in, for example, a mesogenic polymer inclusive shell, that forms a self-assembled, three-dimensional photonic crystal that remains electro-optically switchable under a moderate applied voltage (e.g., electric field). The liquid crystal (LC) arrangement may be achieved via a polymer assembled blue phase liquid crystal system having a substantially continuous polymer structure case surrounding well-defined discrete bodies of liquid crystal material arranged in a cellular manner. These assembled structures globally connect to form a matrix. This provides for reduction of angular birefringence of highly chiral LC systems, which advantageously reduces haze in applications such as switchable windows.

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Patent Owner(s)

  • GUARDIAN GLASS, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Veerasamy, Vijayen S Ann Arbor, US 216 5349

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