Photochromic film

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United States of America Patent

PATENT NO 10877301
APP PUB NO 20190317351A1
SERIAL NO

15954008

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Abstract

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An optical device that is disposed to manage light transmittance therethrough includes a multi-layer photochromic sheet that is composed of a first layer, a second layer, and a photochromic layer interposed therebetween. The photochromic layer is composed of a mixture of dichroic dye and photo-isomerizable material that are disposed in a liquid crystal host, and the first and second layers are each fabricated from a clear polymer.

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Patent Owner(s)

  • GM GLOBAL TECHNOLOGY OPERATIONS LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Kai-Han Sterling Heights, US 87 98

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