Abstract: The present invention provides a polarization-independent terahertz wave control element, and provides a method for manufacturing a polarization-independent terahertz wave control element.

Abstract: The present invention provides a polarization-independent terahertz wave control element, and provides a method for manufacturing a polarization-independent terahertz wave control element.

Abstract: To provide a liquid crystal aligning agent useful to obtain a liquid crystal alignment film excellent in liquid crystal alignment properties, alignment controlling power and rubbing resistance, having high voltage retention characteristics and having reduced charge accumulation, and a liquid crystal display device which is less susceptible to display failure, to lowering of contrast or to image persistence. A liquid crystal aligning agent comprising a low resistance polyimide precursor having a volume resistivity of from 1×1010 to 1×1014 ?cm when formed into a film, and a high alignment polyimide precursor or polyimide having a specific structure, and a liquid crystal display device employing this liquid crystal aligning agent.

Abstract: To provide a liquid crystal aligning agent useful to obtain a liquid crystal alignment film excellent in liquid crystal alignment properties, alignment controlling power and rubbing resistance, having high voltage retention characteristics and having reduced charge accumulation, and a liquid crystal display device which is less susceptible to display failure, to lowering of contrast or to image persistence. A liquid crystal aligning agent comprising a low resistance polyimide precursor having a volume resistivity of from 1×1010 to 1×1014 ?cm when formed into a film, and a high alignment polyimide precursor or polyimide having a specific structure, and a liquid crystal display device employing this liquid crystal aligning agent.

Abstract: To provide a liquid crystal aligning agent useful to obtain a liquid crystal alignment film excellent in liquid crystal alignment properties, alignment controlling power and rubbing resistance, having high voltage retention characteristics and having reduced charge accumulation, and a liquid crystal display device which is less susceptible to display failure, to lowering of contrast or to image persistence. A liquid crystal aligning agent comprising a low resistance polyimide precursor having a volume resistivity of from 1×1010 to 1×1014 ?cm when formed into a film, and a high alignment polyimide precursor or polyimide having a specific structure, and a liquid crystal display device employing this liquid crystal aligning agent.

Abstract: To provide a liquid crystal aligning agent useful to obtain a liquid crystal alignment film which exhibits a high voltage retention characteristic even under high temperature conditions and which has a low accumulation charge, and a liquid crystal display device which is less susceptible to lowering of contrast or to image persistence.

Abstract: A liquid crystal aligning agent capable of forming a liquid crystal alignment film having favorable electrical characteristics, and excellent in the storage stability and the productivity.

Abstract: It is to provide a liquid crystal aligning agent capable of forming a liquid crystal alignment film having favorable electrical characteristics, and excellent in the storage stability and the productivity. A liquid crystal aligning agent comprising at least one member selected from a polyamic acid obtained by polymerization of a diamine component with a tetracarboxylic dianhydride component, and a polyimide obtained by cyclodehydration of the polyamic acid, characterized in that the diamine component contains at least one of diamines represented by the following formula [1]: H2N-A-R—NH2??[1] wherein A is a bivalent organic group comprising a benzene ring or an aromatic condensed ring, provided that one or more optional hydrogen atoms in the benzene ring or the aromatic condensed ring may be substituted by a monovalent organic group other than an amino group, and R is a C1-10 bivalent saturated hydrocarbon group.

Abstract: To provide a liquid crystal aligning agent useful to obtain a liquid crystal alignment film excellent in liquid crystal alignment properties, alignment controlling power and rubbing resistance, having high voltage retention characteristics and having reduced charge accumulation, and a liquid crystal display device which is less susceptible to display failure, to lowering of contrast or to image persistence. A liquid crystal aligning agent comprising a low resistance polyimide precursor having a volume resistivity of from 1×1010 to 1×1014 ?cm when formed into a film, and a high alignment polyimide precursor or polyimide having a specific structure, and a liquid crystal display device employing this liquid crystal aligning agent.

Abstract: To provide a liquid crystal aligning agent useful to obtain a liquid crystal alignment film which exhibits a high voltage retention characteristic even under high temperature conditions and which has a low accumulation charge, and a liquid crystal display device which is less susceptible to lowering of contrast or to image persistence.