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Title: Method of manufacturing photo-alignment layer
Authors: Yip, Wing C.
Prudnikova, Elena K.
Kwok, Hoi-Sing
Chigrinov, Vladimir G.
Kozenkov, Vladimir M.
Takada, Hirokazu
Fukuda, Masanobu
Keywords: Photo-alignment layer
Dichroic dye
Polymerizable groups
Issue Date: 24-Jun-2003
Citation: US Patent 6,582,776. Washington, DC: US Patent and Trademark Office, 2003.
Abstract: A photo-alignment layer having excellent long-term stability to light and heat is manufactured by coating a material for the photo-alignment layer, which contains a dichroic dye having two or more polymerizable groups per molecule, on a substrate, and exposing the coating layer to polarized light, thereby imparting a photo-alignment function, and polymerizing the polymerizable groups by heating or light exposure.
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