摘要:
A process of readily producing a patterned birefringent product excellent in resolution and heat-resistance is provided. Said process comprises at least the following steps [1] to [3] in order: [1] preparing a birefringence pattern builder which comprises an optically anisotropic layer comprising a polymer, and said optically anisotropic layer has a retardation disappearance temperature in the range higher than 20° C., at said retardation disappearance temperature in-plane retardation becomes 30% or lower of the retardation at 20° C. of the same optically anisotropic layer, and said retardation disappearance temperature rises by light exposure; [2] subjecting the birefringence pattern builder to patterned light exposure; [3] heating the laminated structure obtained after the step [2] at 50° C. or higher and 400° C. or lower.
摘要:
A laminated structure comprising, at least one optically anisotropic layer formed of a liquid crystalline composition comprising a compound having two or more types of reactive groups, and at least one photosensitive polymer layer. The laminated structure is useful for forming an optically anisotropic layer inside of a liquid crystal cell. The laminated structure is also useful for forming a liquid crystal cell substrate with an optically anisotropic layer having an optically compensating ability, inside of a liquid crystal cell.
摘要:
A polymerizable liquid crystal compound is represented by the following formula (1): P-Sp1-L1-M1-L2-Sp2-Ox (1) wherein P represents a polymerizable group; one of Sp1 and Sp2 represents a branched alkylene group, or an alkylene group containing, in the chain thereof, at least one divalent linking group selected from the group consisting of —O—, —C≡C— and —S—; the other of Sp1 and Sp2 represents a straight chain alkylene group; each of L1 and L2 independently represents a divalent linking group; M1 represents a mesogenic group; and Ox represents a substituent containing an oxetanyl group.
摘要:
One object of the present invention is to provide a biosensor and a production method therefor, by which hydrogel that enables immobilization of a physiologically active substance can be conveniently produced using safe raw materials. The present invention provides a biosensor which comprises a substrate having a metal layer on its surface, wherein a hydrophilic polymer having a reactive functional group capable of reacting with a hydroxyl group or an amino group of a physiologically active substance is bound to the metal layer directly or indirectly via an intermediate layer.
摘要:
A process of producing a substrate for liquid crystal display device comprising an optically anisotropic layer, which comprises forming the optically anisotropic layer by a process comprising the following [1] to [3]:[1] preparing a substrate having a raw optically anisotropic layer; [2] subjecting the raw optically anisotropic layer to patterned exposures of two or more types having different exposure conditions to each other; [3] subjecting the substrate obtained after the exposure to a heat treatment at 80° C. or higher and 400° C. or lower. By the process, a substrate for liquid crystal display device which contribute to reducing viewing angle dependence of color of a liquid crystal display device can be easily produced.
摘要:
A process of readily producing a patterned birefringent product excellent in resolution and heat-resistance is provided. Said process comprises at least the following steps [1] to [3] in order: [1] preparing a birefringence pattern builder which comprises an optically anisotropic layer comprising a polymer, and said optically anisotropic layer has a retardation disappearance temperature in the range higher than 20° C., at said retardation disappearance temperature in-plane retardation becomes 30% or lower of the retardation at 20° C. of the same optically anisotropic layer, and said retardation disappearance temperature rises by light exposure; [2] subjecting the birefringence pattern builder to patterned light exposure; [3] heating the laminated structure obtained after the step [2] at 50° C. or higher and 400° C. or lower.
摘要:
The novel copolymer is disclosed. The copolymer comprises 1 to 99 mol % of at least one repetitive unit (P1) of the formula (1) and 99 to 1 mol % of at least one repetitive unit (P2) of the formula (2). In the formulae, R1 to R4 and L1 to L4 respectively represent a hydrogen atom, a deuterium atom, a halogen atom or any substituent; X and Y respectively represent an oxygen atom or sulfur atom, n1 represents any one of integers from 2 to 4, and 1 and m respectively represents the number of repetition of the repetitive unit, provided that at least one of R1 to R4 is not a fluorine atom (F) and at least one of L1 to L4 contains one or more fluorine atoms, any two groups selected from L1 to L4 may form a cyclic structure.
摘要:
A transfer material comprising an optically anisotropic layer formed of a liquid crystalline composition comprising a monomer having an acidic group and/or a monomer which generates a monomer having an acidic group by an action of an acid or a base, and a photosensitive polymer layer, which is useful for forming an optically anisotropic layer in a liquid crystal cell, is provided. A process for easily producing a laminated structure having a patterned optically anisotropic layer, which comprises the following steps [1] and [2]: [1] subjecting the transfer material to patterned light exposure using photomask; and [2] removing the non-exposed parts of the transfer material by development with an aqueous alkaline solution, is also provided.
摘要:
A polymerizable liquid crystal compound is represented by the following formula (1): P-Sp1-L1-M1-L2-Sp2-Ox (1) wherein P represents a polymerizable group; one of Sp1 and Sp2 represents a branched alkylene group, or an alkylene group containing, in the chain thereof, at least one divalent linking group selected from the group consisting of —O—, —C≡C— and —S—; the other of Sp1 and Sp2 represents a straight chain alkylene group; each of L1 and L2 independently represents a divalent linking group; M1 represents a mesogenic group; and Ox represents a substituent containing an oxetanyl group.
摘要:
A transfer material comprising at least one optically anisotropic layer and at least one photosensitive polymer layer on at least one support, wherein said optically anisotropic layer comprises one or more compounds having a reactive group, and said photosensitive polymer layer comprises two or more types of photopolymerization initiators having different photoreaction mechanisms to each other, and a compound having a reactive group which can react with one or more of the reactive groups present in the optically anisotropic layer by the action of the at least one of said photopolymerization initiators. By using the transfer material, a color filter which contributes to reducing viewing angle dependence of color of a liquid crystal display device, and a liquid crystal display device having less corner non-uniformities and less viewing angle dependence of color.