Abstract: This invention provides a polymerizable compound represented by formula (I), a polymerizable composition containing the polymerizable compound and a polymerization initiator, a polymer produced by polymerizing the polymerizable compound or the polymerizable composition, and an optically anisotropic product comprising the polymer as a constituent material.

Abstract: Compounds containing at least one C—C triple bond of the formula I R1-[A1-Z1]m-A2A3-[Z2-A4]n-[Z3-A5]o-R2??I, which have neutral dielectric anisotropy, to the use thereof for high-frequency components, to liquid-crystalline media comprising the compounds, and to high-frequency components, in particular antennae, especially for the giga- and terahertz region, comprising these media. The liquid-crystalline media serve, for example, for the phase shifting of microwaves for tuneable phased-array antennae.

Abstract: A liquid crystal display device that prevents a decrease in the voltage holding ratio (VHR) and an increase in the ion density (ID) in a liquid crystal layer and that resolves the problems of display defects, such as white streaks, variations in alignment, and image sticking. The liquid crystal display has features of preventing a decrease in the voltage holding ratio (VHR) and an increase in the ion density (ID) in a liquid crystal layer and suppressing display defects such as image sticking. Therefore, the liquid crystal display device is particularly useful for active matrix driving liquid crystal display devices with an IPS mode or an FFS mode and can be applied to liquid crystal display devices of, for example, liquid crystal televisions, monitors, cellular phones, and smart phones.

Abstract: A component for high-frequency technology or for the microwave range and millimeter wave range of the electromagnetic spectrum. The component contains a liquid-crystal compound of the formula I in which the parameters have the respective meanings given in the claims or in the text, or a liquid-crystal medium which itself comprises one or more compounds of this formula I. Also, the corresponding, novel liquid-crystal media, the use and preparation thereof, and the production and use of the components. The components are particularly suitable as phase shifters in the microwave and millimeter wave range, for microwave and millimeter wave array antennae and very particularly for so-called tuneable reflectarrays.

Abstract: Compounds containing at least one C—C triple bond within a chain of at least 3 ring systems which have positive dielectric anisotropy, the use thereof for high-frequency components, liquid-crystalline media containing these compounds, and high-frequency components, in particular antennae, especially for the gigahertz region, containing these media. The liquid-crystalline media serve, for example, for the phase shifting of microwaves for tuneable phased-array antennae.

Abstract: A liquid-crystal medium containing a component A of one or more compounds of formula X the preparation thereof, and the use of these liquid-crystal media, in particular in components for high-frequency technology, and components of this type which contain the media, and the production and use of these components. The components are suitable for phase shifters in the microwave and millimeter wave region, for microwave and millimeter wave array antennae and for tuneable reflectarrays.

Abstract: The present invention relates to compounds of the formula I where one or more of the radicals A1-5 denote a 1,4-naphthylene or 1,4- or 9,10-anthracenylene radical, and the other parameters are as defined in Claim 1. The invention additionally includes liquid-crystalline media which comprise the title compounds, and components for high-frequency technology which comprise these media, in particular phase shifters and microwave array antennae.

Abstract: A photoresist composition comprising an acid generator and a resin comprising a structural unit derived from a monomer represented by the formula (1): wherein R1 represents a hydrogen atom etc., R2 represents a hydrogen atom or a C1-C4 alkyl group, A1 represents a single bond etc., and B1 represents a group represented by the formula (1a): wherein R3, R4 and R5 each independently represents a C1-C16 aliphatic hydrocarbon group and R4 and R5 can be bonded each other to form a C3-C18 ring together with the carbon atom to which R4 and R5 are bonded, a C4-C20 saturated cyclic group having a lactone structure or a C5-C20 saturated cyclic hydrocarbon group having at least one hydroxyl group.

Abstract: The present invention provides a liquid crystal composition for forming a polymer layer capable of keeping high voltage holding ratio. The liquid crystal composition in an aspect of the present invention contains a liquid crystal material and one or more kind monomers and, at least one of the monomers is a compound produced by further bonding a hydrocarbon group with 12 carbon atoms or more to a compound produced by bonding two polymerizable groups to a cyclic aliphatic compound or aromatic compound with 6 carbon atoms or more.

Abstract: A liquid crystal composition and a method of manufacturing an optical film. The liquid crystal composition which may form a liquid crystal layer having excellent optical characteristics and a high surface hardness. The liquid crystal layer formed as described above may be used in various applications, and for example, may be disposed on the outermost surface of a display device, such as an LCD or an OLED, or at an outer side of a polarizing layer of the display in which the polarizing layer is disposed at a visible side, thereby serving as a liquid crystal layer which may solve a problem of degrading brightness occurring when an observer watches an image with polarizing sunglasses.

Abstract: A liquid crystal composition includes one or more of compounds represented by general formula (i) below and one or more of compounds represented by general formula (ii) below. In the formulae, R11a and R21a each independently represent an alkyl group having 1 to 8 carbon atoms where one —CH2— or two or more non-adjacent —CH2— in the alkyl group may each independently be substituted with —CH?CH—, —C?C—, —O—, —CO—, —COO—, or —OCO—; one or more hydrogen atoms in the alkyl group may be substituted with a fluorine atom or a chlorine atom; X11a, X12a, X13a, X14a, and X21a each independently represent a hydrogen atom or a fluorine atom; A21a, A22a, and A23a each independently represent a trans-1,4-cyclohexylene group or a 1,4-phenylene group whose hydrogen atom may be substituted with a fluorine atom or a chlorine atom.

Abstract: Discussed is a liquid crystal material including: a liquid crystal molecule including an alkenyl group; a phenol-based antioxidant; and a light stabilizer for recycling the phenol-based antioxidant.

Abstract: A compound represented by formula (1-1) or (1-2) is provided. For example, R1 and R2 are independently hydrogen, alkyl having 1 to 10 carbons or alkoxy having 1 to 9 carbons; the ring A1, the ring A2, the ring A3, the ring A4, the ring A5 and the ring A6 are independently 1,4-cyclohexylene or 1,4-phenylene; a, b, c, d, e and f are independently 0 or 1, and the sum of a, b, c, d, e and f is 2; and g, h, i, j, k and l are independently 0 or 1, and the sum of g, h, i, j, k and l is 2.

Abstract: A liquid crystal display device includes a first substrate, a second substrate facing the first substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. The liquid crystal layer includes liquid crystal molecules having a negative dielectric anisotropy, a response speed of about 4.0 ms or less, and a rotational viscosity of about 47 mPa·S to about 75 mPa·S.

Abstract: A polymerizable compound is provided having suitable polymerization reactivity, high conversion and high compatibility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared using the composition, and a liquid crystal display device having the composite. The polymerizable compound has at least one monovalent group (A). The polymerizable composition contains the compound. The liquid crystal composition and the liquid crystal composite is prepared using the polymerizable composition. The liquid crystal display device has the liquid crystal composite. In the monovalent group (A), R1 and R2 are independently alkyl having 1 to 3 carbons, and in the alkyl, at least one of hydrogen may be replaced by fluorine, and R3 is hydrogen or methyl.

Abstract: A resist composition including: a base component (A) that exhibits changed solubility in a developing solution by action of acid; and an acid generator component (B) that generates acid upon exposure, wherein the base component (A) includes a resin component (A1) containing a structural unit (a0) represented by general formula (a0-1) shown below or general formula (a0-2) shown below; and the acid generator component (B) includes an acid generator (B1) including a compound represented by general formula (b0-1) or (b0-2) shown below.

Abstract: A resist composition including a base component that exhibits changed solubility in an alkali developing solution under the action of acid, an acid-generator component that generates acid upon exposure, and a nitrogen-containing organic compound, the acid generator component including an acid generator represented by general formula (b0), the nitrogen-containing organic compound including a compound represented by general formula (d1) or general formula (d2) in which each of R1 and R2 represents an aryl group or an alkyl group, Rf represents a fluorinated alkyl group, X?represents a counter anion, each of R3 and R4 represents an aliphatic hydrocarbon group, R5 represents a hydrocarbon group having 5 or more carbon atoms, and each of R6 and R7 independently represents a hydrogen atom, an aliphatic hydrocarbon group, or —C(?O)—O—R5.

Abstract: A liquid crystal compound is described, having a large dielectric anisotropy, a high voltage holding ratio and stability to heat, light and so forth, maintaining a nematic phase in a wide temperature range, and having a suitable optical anisotropy and an excellent compatibility with other liquid crystal compounds. Particularly, a liquid crystal compound having a large dielectric anisotropy is described. The compound is represented by formula (1): In the formula, for example, R1 is alkyl having 1 to 20 carbons; ring A1, ring A2, ring A3, ring A4, ring A5 and ring A6 are independently 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2, Z3, Z4, Z5, Z6 and Z7 are independently a single bond, —(CH2)2—, —COO—, —OCO—, —CF2O—, —OCF2— or —CH?CH—; X1 is fluorine, —CF3 or —OCF3; and Y1 and Y2 are independently hydrogen or fluorine.

Abstract: Technologies are generally described for a photoresist and methods and systems effective to form a pattern in a photoresist on a substrate. In some examples, the photoresist includes a resin, a photoinitiator and a photoinhibitor. The photoinitiator may be effective to generate a first reactant upon the absorption of at least one photon of a particular wavelength of light. The first reactant may be effective to render the resin soluble or insoluble in a photoresist developer. The photoinhibitor may be effective to generate a second reactant upon the absorption of at least one photon of the particular wavelength of light. The second reactant may be effective to inhibit the first reactant.

Abstract: A liquid composition containing a liquid crystalline polyester, a solvent, and a boron nitride having a volume average particle diameter of not less than 10 ?m and not more than 80 ?m, wherein the amount of the boron nitride is 30 to 90% by volume based on the total amount of the liquid crystalline polyester and the boron nitride.