A liquid crystalline polyester resin composition is described, which includes a liquid crystalline polyester; and an amide compound including the following structural units (I) to (III), and having a melting point of 100 C. and a volume average particle diameter of 5 m and 50 m, wherein a content of the amide compound is 0.005 parts by mass and 0.1 parts by mass with respect to 100 parts by mass of a content of the liquid crystalline polyester, structural unit (I): CH.sub.3XCO, X represents an aliphatic hydrocarbon group having 10 carbon atoms or a hydroxy hydrocarbon group in which one or more hydrogen atoms of an aliphatic hydrocarbon group are substituted with a hydroxy group; structural unit (II): HNYNH, Y represents a hydrocarbon group having 2 carbon atoms; structural unit (III): OCZCO, Z represents an aliphatic hydrocarbon group having 4 carbon atoms, an alicyclic hydrocarbon group, or an aromatic hydrocarbon group.

An object of the invention is to provide an anisotropic light absorption film having both a high alignment degree and high light resistance, and a laminate provided using the anisotropic light absorption film. An anisotropic light absorption film according to the embodiment of the invention is formed from a composition having a first dichroic azo dye, a second dichroic azo dye, and a compound represented by Formula (I) or a polymer thereof, the first dichroic azo dye has a solution absorption maximum wavelength of 400 nm or greater and less than 550 nm, the second dichroic azo dye has a solution absorption maximum wavelength of 550 nm or greater and 750 nm or less, and the film has an arrangement structure of the first dichroic azo dye or an arrangement structure of the second dichroic azo dye therein.

The present invention relates to novel photoactive polymer materials and their use as orienting layer for liquid crystals, which are used for the production of non-structured and structured optical elements or electro-optical elements and multi-layer systems.

Provided is a compound represented by the following formula:

##STR00001##

Y.sup.1 to Y.sup.8 each represent a chemical single bond, O, S, OC(O), C(O)O, OC(O)O, NR.sup.1C(O), C(O)NR.sup.1, OC(O)NR.sup.1, NR.sup.1C(O)O, NR.sup.1C(O)NR.sup.1, ONR.sup.1, or NR.sup.1O, R.sup.1 being a hydrogen atom or an alkyl group having 1 to 6 carbon atoms. G.sup.1 and G.sup.2 each represent a divalent linear aliphatic group having 1 to 20 carbon atoms. that optionally includes O, S, OC(O), C(O)O, OC(O)O, NR.sup.3C(O), C(ONR.sup.3, NR.sup.3, or C(O). Z.sup.1 and Z.sup.2 each represent an alkenyl group having 2 to 10 carbon atoms. A.sup.1 represents a trivalent aromatic group. A.sup.2 and A.sup.3 each represent a divalent alicyclic hydrocarbon group having 3 to 30 carbon atoms. A.sup.4 and A.sup.5 each represents a divalent aromatic group having 6 to 30 carbon atoms. Q.sup.1 represents a alkyl group having 1 to 6 carbon atoms, an organic group having 2 to 30 carbon atoms that includes at least one of an aromatic hydrocarbon ring and a heteroaromatic ring, or a hydrogen atom. n and m each represent 0 or 1.

The present invention relates to novel photoactive polymer materials their use as orienting layer for liquid crystals, which are used for the production of non-structured and structured optical elements or electro-optical elements and multi-layer systems.

The present invention relates to novel ophthalmic devices comprising polymerized compounds comprising a photoactive chromophore, said polymerized compounds, and special monomer compounds being particularly suitable for compositions and ophthalmic devices. The present invention is also directed to a process of changing the optical properties of said ophthalmic device or a precursor article for an ophthalmic device.

The invention refers in a first aspect to self-supporting film comprising green luminescent crystals (1), red luminescent crystals (2), and a polymer (3). The green luminescent crystals (1) are perovskite crystals. The red luminescent crystals (2) are zincblende or wurzite, preferably zincblende, crystals. A second aspect of the invention refers to a solid polymer composition (100). A third aspect of the invention refers to a light emitting device comprising either the solid polymer composition (100) or the self-supporting film.

This polymerizable compound is represented by a formula (I), this polymerizable composition contains said polymerizable compound and a polymerization initiator, this polymer is obtained by polymerizing the polymerizable compound or polymerizable composition, and this optically anisotropic product is comprised from the polymer. In the formula, each of Y.sup.1 to Y.sup.8 represents O, S, OC(O), C(O)O, etc., Y.sup.a represents O, S, OC(O), C(O)O, etc., each of G.sup.1 and G.sup.2 represents a divalent linear aliphatic group having 1 to 20 carbon atoms, etc., each of Z.sup.1 and Z.sup.2 represents an alkenyl group having 2 to 10 carbon atoms, etc., A.sup.x represents an organic group having an aromatic ring and 2 to 30 carbon atoms, A.sup.1 represents a trivalent aromatic group, etc., each of A.sup.2 and A.sup.3 represents a divalent alicyclic hydrocarbon group having 3 to 30 carbon atoms, each of A.sup.4 and A.sup.5 represents a divalent aromatic group having 4 to 30 carbon atoms, etc., Q.sup.1 represents an alkyl group having 1 to 6 carbon atoms, etc., and each of m and n represents 0 or 1. ##STR00001##

A porous body containing a liquid crystal polymer powder that has liquid crystal polymer fibers, wherein an average size of the liquid crystal polymer fibers is 2 ?m or less, the porous body has an average pore size of 10 ?m or less as measured by mercury intrusion porosimetry, and the porous body has a tensile strength of 25 N/mm.sup.2 or more.

An optically anisotropic layer including a polymer and a compound having a mesogen skeleton, wherein the polymer has a property such that a film of the polymer that is formed by a coating method using a solution of the polymer satisfies nz(P)>nx(P)?ny(P), wherein nx(P) is a refractive index in a direction which, among in-plane directions of the film, gives a maximum refractive index, ny(P) is a refractive index in a direction which is perpendicular to the direction of nx(P) among the in-plane directions of the film, and nz(P) a refractive index in a thickness direction of the film, and the compound having a mesogen skeleton shows an in-plane retardation with reverse wavelength distribution under specific conditions.