Method of manufacturing photo-alignment layer
AssigneesThe Hong Kong University of Science and Technology, Dainippon Ink and Chemicals, Inc.
InventorsWing C. Yip, Elena K. Prudnikova, Hoi S. Kwok, Vladimir G. Chigrinov, Vladimir M. Kozenkov, Hirokazu Takada, Masanobu Fukuda
Life of this patent
Estimating the term…
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.
Claims7
A method of manufacturing a photo-alignment layer, which comprises coating a material for the photo-alignment layer, which contains a dichroic dye having two or more polymerizable groups per molecule, on a substrate, exposing the coating layer containing the dichroic dye to polarized light, thereby imparting a photo-alignment function to the coating layer, and then polymerizing the polymerizable groups by heating or light exposure.
Dependencies are inferred from the claim text.