To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10° or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.

To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10° or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.

A polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when the compound is used in a liquid crystal display device; and a composition containing the compound. The compound is represented by formula (1). In formula (1), for example, P.sup.1 is a group represented by any one of formulas (1b) to (1i), P.sup.2 is a group represented by formula (1d), Sp.sup.1 and Sp.sup.2 are a single bond, Z.sup.1, Z.sup.2, Z.sup.3, Z.sup.4 and Z.sup.5 are —COO—, and ring A.sup.1, ring A.sup.2, ring A.sup.3 and ring A.sup.4 are 1,4-phenylene: ##STR00001##

The present invention relates to a polymerizable mixture which can be used to form a dielectric material for the preparation of passivation layers in electronic devices. The polymerizable mixture comprises a first monomer and a second monomer which may react to form a copolymer providing excellent film forming capability, excellent thermal properties and excellent mechanical properties. There is further provided a method for forming said copolymers and an electronic device containing said copolymers as dielectric material. Beyond that, the present invention relates to a manufacturing method for preparing a packaged microelectronic structure and to a microelectronic device comprising said packaged microelectronic structure formed by said manufacturing method.

A liquid crystal composition includes at least one compound of general Formula I, at least one compound of general Formula II and at least one compound of general Formula M. The polymerizable liquid crystal composition provides a higher VHR (especially an excellent VHR after UV irradiation), a lower surface roughness of the polymer layer, a faster polymerization rate, a lower residual amount of the polymerizable compound and a better pretilt angle stability, which enables the production of a liquid crystal display device with a better voltage stability and a faster response speed, and can effectively reduce or prevent the occurrences of problems such as “burn-in”, “image sticking”, “Zara Particle” and “uneven display” in the liquid crystal display device. A liquid crystal display includes the liquid crystal composition.

##STR00001##

The present invention provides a liquid crystal display device that includes: a pair of substrates; a liquid crystal layer held between the substrates; an alignment film disposed on a liquid crystal layer side surface of at least one of the substrates; and a polymer layer disposed between the liquid crystal layer and the alignment film, the liquid crystal layer containing liquid crystal compounds aligned in a predetermined direction with no voltage applied, the alignment film containing a first polymer containing in its main chain at least one selected from a polyamic acid structure and a polyimide structure, the first polymer containing a functional group that functions as a polymerization initiator, the polymer layer containing a second polymer obtained by polymerizing at least one monomer containing a chalcone group.

To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10 or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.

The present invention relates to a liquid crystal aligning agent which contains a polymer that has a site having an isocyanate group and/or a blocked isocyanate group, a site having a photoreactive group having photoalignment, and a site having at least one functional group selected from an amino group and a hydroxyl group in each molecule. The present invention provides a liquid crystal display element which enables baking at low temperatures during the formation of a liquid crystal alignment film by a photoalignment method, the liquid crystal alignment film being able to be imparted with alignment regulating property and pretilt angle developing property.

A polyamic acid composition is polymerized by dianhydride monomers and diamine monomers. A range of molar ratio of the dianhydride monomers to the diamine monomers is from 0.9 to 1.1. The diamine monomers have a combination of specific functional groups containing at least one nitrogen heterocycle structure, at least one liquid crystal structure, and at least one soft structure, wherein the diamine monomer containing nitrogen heterocycle structure has a molar weight percentage of 3% to 8% of a total molar weight of the diamine monomers, and the diamine monomers containing at least one liquid crystal structure and at least one soft structure have a molar weight percentage of 92% to 97% of the total molar weight of the diamine monomers. The disclosure further relates to a polyimide film, a copper clad laminate, and a printed circuit board.

The invention relates to a polymerisable LC medium with flat, negative or positive optical dispersion, a polymer film with flat, negative or positive optical dispersion obtainable from such a material, and the use of the polymerisable LC medium and polymer film in optical, electro optical, electronic, semiconducting or luminescent components or devices.