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7125589 Liquid crystal compound having hydrogen as a terminal group, composition comprising the compound, and liquid crystal display element comprising the composition  
A compound represented by the following formula (1), a composition comprising the composition and an element comprising the composition: Ra is alkyl having 1 to 15 carbons and so forth; A1, A2 and...
7122227 Chiral photoisomerizable compounds  
The invention relates to chiral photoisomerizable compounds of formula (I) wherein X1, X2, X3, X4, X5 and X6 have the meanings given in claim 1, to liquid crystalline mixtures and polymers...
7122228 Compound having negative Δε  
The invention relates to indanes having negative Δε of the formula Ia or Ib in which R, A, Z, X, Y, V, W, n and m are as defined in claim 1. The compounds are particularly suitable for producing...
7101595 Photo-curable fluorene derivative and composition containing the same  
The present invention provides a compound represented by formula (1) defined in the specification. The invention further provides a liquid crystal composition comprising at least two compounds,...
7087273 Liquid crystalline oxetane compound, polymerizable liquid crystalline composition, method for producing liquid crystal film, optical film, and liquid crystal display  
A novel liquid crystalline compound has the formula: Z1-(CH2)n-L1-P1-L2-P2-L3-P3-L4-(CH2)m-Z2 (1) wherein Z1 and Z2 are each independently a group represented by any one of formulas (2), (3) and...
7083832 Partially fluorinated liquid crystal material  
The invention provides LC compositions that exhibit V-shaped switching when aligned in an analog device configuration and exhibit bistability when aligned in a bookshelf-type device configuration....
7081279 Alkenyl compound having a negative Δε value, liquid crystal composition, and liquid crystal display device  
Liquid crystalline compounds having a large negative Δε low viscosity, a large K33/K11 value, a small Δε/Δ⊥ and mutually excellent solubility even at low temperature, compositions containing at...
7074464 Perfluoropropenyl-containing compound, liquid crystal composition and liquid crystal display element  
A compound represented by the formula (1). wherein Ra is alkyl having 1 to 10 carbon(s) and, in that alkyl, any of —CH2— may be replaced with —O—, —S—, —CO—, —CH═CH— or —C≡C— or any of hydrogens...
7074462 Ester compounds and their use in liquid crystalline media  
The invention relates to compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises...
7070838 Liquid crystalline compound, liquid crystal composition and their polymers  
The present invention provides a compound represented by formula (1) defined in the specification and a liquid crystal composition comprising the compound. The invention further provides a polymer...
7067179 Fused ring compound  
A novel compound represented by the general formula (I), and a nematic liquid crystal composition incorporating the same. A compound represented by the general formula (I) can be produced...
7052742 Five membered-ring compounds and utilization thereof in liquid crystal mixtures  
Fluorinated five-membered ring compounds of the formula (I) R1—X—(A1—M1)a—(A2—M2)b—A3—Y—E (I) where E is a radical T—Z—R2 containing a five-membered ring and, for example, T is undirected and is...
7052744 Liquid-crystalline mixtures  
Nematic liquid-crystal mixtures comprising one or more compounds of the formula I in which R1 and R2 are as defined herein, are suitable for use in TN and STN liquid-crystal displays.
7048974 Liquid crystal mixtures  
The invention relates to TN and STN liquid-crystal displays and to the nematic liquid-crystal mixtures used therein, characterised in that they comprise one or more compounds of the formula I and...
7045176 Liquid crystal composition having high-speed response property and liquid crystal display using the same  
The present invention relates to a liquid crystal composition having a high-speed response property and a liquid crystal display using the same, more particularly to a liquid crystal composition,...
7033651 Liquid-crystal medium having a low threshold voltage  
The invention relates to a liquid-crystalline medium comprising a mixture of at least two compounds of the general formula (I) R1-Am-Bn-Z1-C-Z2-D-R2 (I) in which R1 is H, an alkyl or alkenyl...
7029731 Liquid-crystalline medium  
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of the...
7029730 CF2O-bridged, axially substituted cyclohexane derivatives  
The invention relates to CF2O-bridged cyclohexane derivatives, in particular compounds of formula (I), R1-(-A1-Z1-)k1-Q-CF2O-A2-(-Z3-A3-)K3-R2, wherein Q represents group (a); W1, W2 represent...
7026021 Fluorinated heterocycles and their use in liquid-crystal mixtures  
Compounds of the general formula (I) where: R1, R2 are each independentlya) Hb) -M1-A1-R5 c) a straight-chain or branched alkyl radical having from 1 to 16 carbon atoms or a straight-chain or...
7022865 Pyrans as liquid crystals  
A tetrahydropyran derivative comprising at least three cyclic rings and one aromatic endgroup of the formula A a process for preparing said tetrahydropyran derivatives, and the use of said...
7022259 Liquid crystal compounds, preparation thereof, and composition containing the same  
A liquid crystal compound with high helical twisting power, a method for preparing the same, and a liquid crystal composition containing the same. The liquid crystal compounds include cyclic group...
7018685 Fluorinated aromatic compounds and the use of the same in liquid crystal mixtures  
The invention relates to fluorinated aromatics of the formula (I) where X is CH2, C═O, CF2, O or S,Y is H or F, with the proviso that Y has to be F when X is CH2, and where the other parameters...
7014890 Fluorinated naphthalenes, liquid-crystal mixtures comprising them, and liquid-crystal displays  
Compounds of the formula (I) in which the parameters are as defined herein, are suitable for use in liquid-crystal media and liquid-crystal displays which contain these media.
7001647 Perfluoroallyloxy compound and liquid crystal composition containing the same  
A novel perfluoroallyloxy compound represented by general formula (I) and a liquid crystal composition containing the compound are disclosed. The perfluoroallyloxy compound is useful as a liquid...
6979413 Optical recording material  
Optical recording material which is capable of recording and reading an information signal by utilizing a change in the double refraction caused by a change in the molecular orientation of a...
6969542 Liquid-crystal medium, and electro-optical display containing same  
The present invention relates to nematic liquid-crystal media which comprise a) a dielectrically negative, liquid-crystalline component A comprising one or more compounds of the formula I in which...
6955838 Fluorinated polycycles and their use in liquid-crystal mixtures  
Compounds of the formula (I) where: R1, R2 are each independentlya) Hb) -M1-A1-R5 c) a straight-chain or branched alkyl radical having from 1 to 16 carbon atoms or a straight-chain or branched...
6939479 Cycloalkanone derivatives  
Described herein are compounds of formula I wherein M1, M2 and M3 have the meanings recited in the disclosure, liquid crystalline mixtures and polymers containing them, and the use of the...
6929832 Liquid-crystal medium, and electro-optical display containing the liquid-crystal medium  
AMLCDs containing a liquid-crystal medium which comprises a) at least one compound of the formula I and b) at least one compound of the formula II where the various parameters are as defined in...
6913710 Reactive mesogenic benzodithiophenes  
The invention relates to new reactive mesogenic benzodithiophene derivatives, their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices like for...
6908645 Liquid-crystalline medium  
The invention relates to liquid-crystalline compounds of the formula I and to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more...
6905739 Optically active materials  
A compound is of formula (I), in which: A1 to A4, E1 and E2 each independently represent hydrogen or an optionally-substituted hydrocarbon group; B1 and B2 each independently represent a single...
6902776 Energy-saving liquid-crystal mixtures  
The invention relates to energy-saving liquid-crystalline media, in particular in twisted nematic (TN) and supertwisted nematic (STN) liquid-crystal displays, having very short response times and...
6902687 OPTICALLY ACTIVE ISOSORBIDE DERIVATIVE AND OPTICALLY ACTIVE ISOMANNIDE DERIVATIVE, PRODUCTION METHODS THEREOF, PHOTO-REACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM AND RECORDING MEDIUM, METHOD FOR CHANGING HELICAL STRUCTURE OF LIQUID CRYSTAL AND METHOD FOR FIXING HELICAL STRUCTURE OF LIQUID CRYSTAL  
The invention relates to an optically active isosorbide derivative represented by general formula (I) and an optically active isomannide derivative represented by general formula (V), wherein R1...
6890606 Nematic liquid-crystal composition  
The invention relates to nematic liquid-crystal compositions comprising bisalkenyl compounds of the formula I and to their use in plasma-addressed LCDs.
6887533 Fluorinated oxaanthracenes and their use in liquid-crystal mixtures  
Compounds of the formula (I) where: X1 is H or FG1-G2 is —CH2—CH— or CH═C—R1, R2 area) Hb) the M2-A2-R5 moietyc) for example, a straight-chain or branched alkyl radical having from 1 to 16 carbon...
6863841 Oxadiazole derivative and its use as charge transport and light emitting material  
New oxadiazole derivatives comprising one or more identical or different recurring units of formula I wherein W, M, w, m1, m2, p1, p2, and Y1 to Y4 are as defined herein are suitable for use in...
6849203 Photoisomerizable compounds  
The invention relates to photoisomerizable compounds of formula I wherein A, Z, L, R, R1, k, m and r are defined herein.
6844032 Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices  
The compound (1) having 2,3-bis(trifluoromethyl)-1,4-phenylene is stable chemically and has excellent miscibility with other liquid crystal compounds, large and negative dielectric anisotropy and...
6841677 Mono-, oligo- and polydithienopyridine  
The invention relates to new conjugated mono-, oligo- and polydithienopyridines, their use as semiconductors or charge transport materials in optical, electrooptical or electronic devices...
6838128 High polarization dopants for ferroelectric liquid crystal compositions  
The invention relates to chiral nonracemic liquid crystal compounds which are useful as components in liquid crystal compositions to impart high polarization to the mixture. The materials of this...
6838017 Polar tolane liquid crystals  
New tolane and bis-tolane compounds: in which X is F (fluoro), CN (cyano), OCF3 (trifluoromethoxy), or NCS (isothiocyanate) at least one of the pairs Y1 and Y2, Z1 and Z2, and A1 and A2 are fluoro...
6838129 Method and device for transporting an electrical charge  
An electric charge transport method with a high current density and excellent charge transporting capability is provided. Specifically, the charge transport method includes applying a voltage to a...
6818260 Thienothiophene derivatives  
The invention relates to new thienothiophene derivatives, their use as semiconductors or charge transport materials, in optical, electrooptical or electronic devices like for example organic field...
6815017 Electrooptical liquid crystal display  
The invention relates to an electrooptical liquid crystal display comprising a reorientation layer for reorientation of the liquid crystals. The field of said reorientation layer has a component...
6808762 Oxabicyclooctanes  
The present invention relates to oxabicyclooctanes of the general formula I. in whichR1, R2, A1, A2, A3, A4, L1, L2, n1, n2 and n3 have the meanings specified in claim 1, and to their use in...
6806374 Mono-, oligo- and poly-3-(1,1-difluoroalkyl)thiophenes and their use as charge transport materials  
Mono-, oligo- and polymers comprising one or more identical or different recurring units of formula I —[(Y)a—(D)b—(Z)c]— IwhereinD is a 3-(1,1-difluoroalkyl)thiophene group of formula II, wherein...
6805817 Molecular devices activated by an electric field for electronic ink and other visual display  
An electric field activated molecular system, preferably bi-stable, configured within an electric field generated by a pair of electrodes is provided for use, e.g., as electronic ink or other...
6806368 Liquid crystalline 3,4:9,10-perylenetetacarbocylic acid diimides  
Perylene-3,4:9,10-tetracarboxylic diimides of the general formula I whereR1, R2, R3 and R4 are independently hydrogen, chlorine, bromine or substituted or unsubstituted aryloxy, arylthio,...
6800220 OPTICALLY ACTIVE POLYESTER, PHOTOREACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, RECORDING MEDIUM, METHOD OF CHANGING THE HELICAL STRUCTURE OF A LIQUID CRYSTAL, AND METHOD OF FIXING THE HELICAL STRUCTURE OF A LIQUID CRYSTAL  
The present invention discloses an optically active polyester comprising at least constituent units represented by the general formula (I) and the general formula (II): wherein Ar1 and Ar2 each...