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7517471 As-indacen derivatives  
The present invention relates to compounds of the formula I where X1, X2, R1, R2, A1, A2, Z1, Z2, m, n and rings B and B′ are as defined in claim 1.
7514127 Dibenzofuran derivatives, dibenzothiophene derivatives and fluorene derivatives  
The present invention relates to compounds of the formula I where Y, X1, X2, X3, R1, R2, A1, A2, Z1, Z2, m and n are as defined in Claim 1, to the use thereof as components in liquid-crystalline...
7510749 Cyclohexene derivative having alkenyl, liquid crystal composition and liquid crystal display device  
A liquid crystal compound selected from a group of compounds represented by formula (a): wherein Ra and Rb are each independently hydrogen, alkyl having 1 to 10 carbons or alkenyl having 2 to 10...
7488519 Polymerizable liquid crystal composition  
Such a polymerizable liquid crystal composition is to be provided that is excellent in stability in a solution state, shows good coating property on a supporting substrate, and has a uniform...
7468198 Liquid crystal compound, ferroelectric liquid crystal composition, and ferroelectric liquid crystal display  
A liquid crystal compound represented by the following formula is provided to enhance the contrast of a liquid crystal device using ferroeloctric liquid crystal: R1 is an alkyl group having 4 to 6...
7465802 Facile synthesis of a series of liquid crystalline 2-(4′-alkylphenyl)-5-cyanopyridines  
The invention relates to a facile synthesis of a series of 2-(4′-alkylphenyl)-5-cyanopyridine liquid crystal compounds which are represented by the following formula (I): wherein Cn is a linear...
7462427 Liquid crystal compounds with branched or cyclic end groups  
The use of a mesogenic compound having a terminal end chain comprising carbon, oxygen, or sulphur, which has at least one pendent C1-4alkyl, C1-4alkoxy or a cycloalkyl ring, arranged no more than...
7449223 Polymerizable liquid crystal composition and optically anisotropic medium  
A polymerizable liquid crystal composition includes a liquid crystal compound having a polymerizable group, wherein the composition includes from 0.1 to 6.0% by weight of a (meth)acrylic copolymer...
7442419 Liquid-crystalline medium and liquid-crystal display  
Disclosed are a liquid-crystalline medium, the use thereof for electro-optical purposes, and displays containing this medium, characterised in that the medium contains one or more compounds of...
7435455 Dihydrocoumarin derivative, liquid crystal composition containing the same, and liquid crystal display device  
A dihydrocoumarin ring-containing compound of the invention is represented by the following formula (1): wherein R represents hydrogen or an alkyl; A1 to A3 each represents 1,4-cyclohexylene or...
7429411 Chroman compound, liquid crystal composition including the compound and liquid crystal display element including the liquid crystal composition  
The compound (1) according to the invention has general solid-state properties necessary for a compound, stability against heat, light and the like, a suitable optical anisotropy, a suitable...
7425281 Liquid crystal compositions comprising an organogermanium compound and methods for using the same  
The present invention provides organogermanium compounds and liquid crystal compositions comprising such a compound.
7425354 Photopolymerizable liquid crystal composition, its polymer or polymer composition, and optical compensation element  
The present invention provides a photopolymerizable liquid crystal composition comprising at least a compound having oxiranyl as a first component and at least a compound having oxetanyl as a...
7419620 Dichroic mixtures  
A mesogenic, crosslinkable mixture comprising at least one polymerisable liquid crystal and at least one polymerisable dichroic dye of the general formula I: wherein A represents a dichroic...
7416765 Polymerizable liquid crystalline composition and liquid crystal film made from the composition  
A polymerizable liquid crystalline composition comprises a side chain liquid crystalline polymer obtained by radical-copolymerizing a (meth)acrylic compound has an optically active site and a...
7413782 Polymerizing binaphthalene derivatives  
Provided are a polymerizing liquid-crystalline compound of formula (1). In formula (1), Q1 to Q4 each independently represent a formula (2), a hydrogen atom, a halogen atom, an alkyl group or the...
7407691 Photopolymerizable oxetane derivative and liquid-crystal composition containing it  
Provided are a liquid-crystal compound and a liquid-crystal composition containing the compound, of which the advantages are that they show nematic hybrid orientation on a rubbed TAC substrate,...
7396486 Polymerizable mixtures  
A mixture which is polymerizable to polymers exhibiting a high optical anisotropy which is stable during polymerization. The mixture contains a first monomer or (and/or) oligomer having two or...
7381350 Fluorene derivatives and polymers thereof  
The compound (1) or (2), a composition containing the compound and a polymer obtained by polymerizing the composition. R1 is fluorine, cyano, alkyl, and so forth; R2 is hydrogen, alkyl, and so...
7361288 Components for high-frequency technology  
The present invention relates to switchable components for high-frequency technology, in particular microwave technology, which use liquid-crystalline dielectrics, to the liquid-crystal materials,...
7361388 Liquid-crystalline compounds having a tetrahydropyran ring  
The invention relates to liquid-crystalline compounds of formula (I), wherein R11, X11, Z11, Z12, Z13, L11, L12, L13, L14, L15 and L16 have the meanings as cited in Claim 1, and to a method for...
7357964 Liquid-crystalline vinyl ketone derivatives and their polymers  
Provided is a liquid-crystalline, polymerizable vinyl ketone compound of formula (1): Preferably, R1 is hydrogen, halogen, —CN, —CF3, —CF2H, —CFH2, —OCF3, —OCF2H, or alkyl, alkoxy, alkoxyalkyl or...
7351452 Liquid crystalline compounds containing a biphenyl core  
A compound of formula (I) or a dimer thereof; where R1 and R2 are independently selected from optionally substituted alkyl, optionally substitituted alkenyl, optionally substituted alkynyl, a...
7344761 Liquid-crystalline compounds  
The invention relates to liquid-crystalline compounds of the formula (I), where R11, X11, L11, Y and W are as defined in claim 1, and to the use thereof in liquid-crystalline media, to...
7335404 Liquid crystal composition for use in bistable liquid crystal devices  
The invention is directed to the use of a liquid crystal composition in a bistable liquid crystal device and especially in a single polariser reflective or transflective zenithal bistable nematic...
7335405 Nematic liquid crystal mixtures for use in bistable display devices  
A method of using a liquid crystal composition in a bistable liquid crystal device having a weak zenithal anchoring comprising at least 40% by weight of compounds with strong molecular...
7326447 Benzochromene derivatives  
The present invention relates to benzochromene derivatives of the formula I in which the various parameters are as defined in the text, and to liquid-crystal media which comprise these compounds,...
7316830 Liquid-crystalline phenol esters  
The invention relates to liquid-crystalline phenol esters of the formula I in which R, A1, Z1, m, L and Y are as defined in Claim 1, to liquid-crystalline media comprising at least one phenol...
7314580 Compound, liquid-crystal composition and optical material  
Disclosed is a liquid-crystal composition capable of providing a functional film that exhibits useful optical properties. The composition comprises a compound of the following formula (1) that...
7314653 Liquid-crystal medium and electro-optical display containing same  
Disclosed are nematic liquid-crystal media which have an initial current density of 0.05 μA/cm2 or less and a threshold voltage of 1.0 V or less and their use in liquid-crystal displays,...
7314943 Pyran derivatives containing an exocyclic double bond  
The invention relates to pyran derivatives of formula I and processes and intermediates for their preparation and derivatisation, and the use thereof in liquid-crystalline media.
7300604 Tetrahydroxybenzene tetraester derivative and polymer thereof  
The invention includes compounds represented by Formula (1): wherein R1 is an alkyl having 1 to 20 carbon atoms; A1 and A2 are a 1,4-cyclohexylene or 1,4-phenylene; X is a single bond, —C≡C—,...
7294369 Polymerisable cinnamates with lateral substitution  
The invention relates to new polymerisable mesogenic or liquid crystalline compounds comprising a laterally substituted cinnamate group, to polymerisable mesogenic or liquid crystalline mixtures...
7291727 Light-harvesting discotic liquid crystalline porphyrins and metal complexes  
Novel discotic liquid crystalline porphyrins and discotic liquid crystalline metal complexes, methods for their preparation, and device fabrication are disclosed. Materials with partially...
7282246 Fluorinated xanthenes and use thereof in liquid-crystal mixtures  
Concerning the compound of the formula (I) R1, R3 are each independently, for example, HR2, R4 are each independently, for example, HX1, X2 are each independently H or FM1 is —CO—O—, —O—CO—,...
7279202 Liquid crystalline compound for vertical alignment and a liquid crystalline composition comprising the same  
A vertical alignment liquid crystalline compound containing a laterally substituted aromatic cyclic moiety. The liquid crystalline compound has a wide temperature range of the nematic phase, a...
7270856 Cyclobutane derivatives  
The invention relates to novel cyclobutane derivatives of the formula (I), in which R1, R2, A, Z, m, n and o have the meaning indicated in claim 1, to the use thereof as components of...
7258903 Fast switching liquid crystal compositions for use in bistable liquid crystal devices  
The invention is directed to the use of a fast switching liquid crystal composition said composition comprising at least 30 weight % of a component (α) containing one or more compounds having a...
7255900 Fluorinated heterocycles and their use in liquid-crystal mixtures  
In the compound of the formula (I), where: R1, R2 are each independently, for example, H or a straight-chain or branched alkyl radicalp, q are each independently 0 or 1, i.e. at the value zero, —H...
7247355 Liquid crystal compound having chroman ring, liquid crystal composition comprising the compound and liquid crystal display device comprising the composition  
The present invention relates to a compound having a chroman ring, which has good thermal and optical stability, adequate optical anisotropy, adequate dielectric anisotropy and superior...
7244798 (Meth) acrylic compound having an oxetanyl group and liquid crystal film produced by using same  
The present invention provides a novel compound which is suitable as the starting material of a side-chain type liquid crystalline polymeric substance having a reactive group which is excellent in...
7232593 Aligned emissive polymer blend, film and device based thereon  
The invention relates to aligned emissive polymer blended with at least one chromophore with rigid-rod-type or discotic asymmetric molecular structure; to film incorporating such polymer blends;...
7226644 Chroman derivative and liquid-crystal composition containing the compound  
The present invention relates to a liquid crystal compound which has negative dielectric anisotropy and a large absolute value thereof; and a liquid crystal display element which contains the...
7223450 Chiral compounds  
The invention relates to chiral compounds of formula I wherein X1,X2,X1,X2,x1,x2,y1,y2,B,C,U1,U2,V1,V2,W1 and W2 have the meaning given in claim 1, to liquid crystal mixtures comprising at least...
7195719 High polarization ferroelectric liquid crystal compositions  
The invention relates to chiral nonracemic liquid crystal compounds having achiral tails comprising a perfluoroalkyl terminal portion which are useful as components in liquid crystal to impart...
7157124 Polymerizable compounds and their polymers  
A compound represented by formula (1) or (2) and a polymer obtained by polymerizing the compound are provided: wherein Ra is one of the groups represented by Formulas (3-1) to (3-5); Rb is...
7138479 Aliphatic diol polycarbonates and their preparation  
The disclosure provides high quality, low yellowness index copolycarbonates comprising structural units derived from at least one aliphatic diol, at least an aromatic dihydroxy compound and a...
7128953 Optical film comprising support and polarizing layer  
An optical film comprises a transparent support and a polarizing layer. The polarizing layer selectively transmits polarized light, and selectively reflects or scatters other polarized light. The...
7125590 Liquid crystal film and liquid crystal display device equipped with same  
Liquid crystal films with excellent heat resistance and mechanical strength are provided. A liquid crystal film is obtained by fixing an aligned liquid crystal material containing at least a side...
7125499 Liquid crystal polymer technology chemicals and applications  
Liquid phase liquid crystal polymers (LCPs) are disclosed having a composition and structure that can be varied to provide desirable properties. The liquid phase LCPs have polyiminoborane,...