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7374700 |
Hexenediyne derivative
Provided is a liquid crystalline compound which has a large value of refractive index anisotropy, exhibits a liquid crystal phase in a wide temperature range, and is stable under use conditions. ...
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7357964 |
Liquid-crystalline vinyl ketone derivatives and their polymers
Provided is a liquid-crystalline, polymerizable vinyl ketone compound of formula (1):
Preferably, R 1 is hydrogen, halogen, —CN, —CF 3 , —CF 2 H, —CFH 2 , —OCF 3 , —OCF 2 H, or...
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7351452 |
Liquid crystalline compounds containing a biphenyl core
A compound of formula (I)
or a dimer thereof; where R 1 and R 2 are independently selected from optionally substituted alkyl, optionally substitituted alkenyl, optionally substituted...
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7344762 |
Printable liquid crystal material
The invention relates to the use of a printable polymerisable liquid crystal material as printable system for the preparation of polymers and pigments, to printable polymerisable liquid crystal...
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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...
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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...
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7326450 |
High-speed high-temperature nematic liquid crystal composition and liquid crystal display comprising the same
The present invention relates to a high-speed high-temperature nematic liquid crystal composition and a liquid crystal display comprising the same, particularly to a high-speed high-temperature...
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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...
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7316830 |
Liquid-crystalline phenol esters
The invention relates to liquid-crystalline phenol esters of the formula I
in which
R, A 1 , Z 1 , m, L and Y are as defined in Claim 1 , to liquid-crystalline media comprising at least one...
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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/cm 2 or less and a threshold voltage of 1.0 V or less and their use in liquid-crystal displays,...
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7306831 |
Liquid crystal composition and liquid crystal display element
Liquid crystal composition having negative dielectric anisotropy include a first component having at least two compounds represented by at least two formulas selected from formulas (1-1) to (1-6)...
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7303694 |
Liquid crystals with reduced toxicity and applications thereof
Liquid crystal compositions that exhibit little or no toxicity with respect to cells include liquid crystals with chemical functional groups such as fluorine atoms, fluorophenyl groups, or...
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7294371 |
Liquid crystal compound having high optical anisotropy and negative dielectric anisotropy, liquid crystal composition including the same and liquid crystal display including the liquid crystal composition
Provided are a liquid crystal compound represented by formula 1, a liquid crystal composition including the same, and a liquid crystal display including the liquid crystal composition:
...
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7294368 |
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 zenithal bistable nematic liquid crystal device, a nematic liquid...
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7270856 |
Cyclobutane derivatives
The invention relates to novel cyclobutane derivatives of the formula (I), in which R 1 , R 2 , A, Z, m, n and o have the meaning indicated in claim 1 , to the use thereof as components of...
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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...
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7250199 |
Phenylcyclohexanes and a liquid-crystalline medium
Novel phenylcyclohexanes of the formula I
in which n is 0 to 7, Q 1 and Q 2 are H, or one of these radicals is alternatively CH 3 , r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene,...
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7250198 |
Liquid-crystalline compounds
Liquid-crystalline compounds of the formula I
in which
R 1 , A 1 , A 2 , Z 1 , Z 2 , X, a, b, L 1 , L 2 and L 3 are as defined herein, and to liquid-crystalline media comprising at...
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7232592 |
Nematic liquid crystal composition containing indane compound
The present invention provides a nematic liquid crystal composition using a 4,6-difluoroindane-based compound that has a low lower limit temperature (T →N ) of the liquid crystal phase, high...
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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...
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7223450 |
Chiral compounds
The invention relates to chiral compounds of formula I wherein X 1 ,X 2 ,X 1 ,X 2 ,x 1 ,x 2 ,y 1 ,y 2 ,B,C,U 1 ,U 2 ,V 1 ,V 2 ,W 1 and W 2 have the meaning given in claim 1 , to liquid crystal...
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7220464 |
Nematic liquid-crystal mixture, and displays containing same
A nematic liquid-crystal mixture contains a compound of formula I
in which R 11 and R 12 are as defined in the specification, and a liquid-crystal displays containing same.
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7220368 |
Nematic liquid crystal composition
A nematic liquid crystal composition includes a compound of formula (1) and a host mixture:
wherein ‘R’ is chosen from C n H 2n+1 O, C n H 2n+1 , C n H 2n+1 S or C n H 2n−1 ; ‘n’...
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7211302 |
Photostable liquid crystalline medium
The invention relates to a photostable liquid-crystalline medium comprising
at least one compound of the formula I
and at least one compound of the formula II
and...
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7198828 |
Liquid-crystalline medium
The invention relates to a liquid-crystalline medium which is characterized in that it comprises one or more compounds of the formula A
and at least one compound of the formula B
in which R...
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7198827 |
Nematic liquid crystal composition and liquid crystal display device using the same
A nematic liquid crystal composition comprising compounds of the general formulas (I-1) to (I-5) each having naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl and...
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7189440 |
Liquid-crystalline medium
The invention relates to a liquid-crystalline medium comprising at least one pyran compound of the formula I
and one or more compounds selected from the group consisting of the compounds C-1 to...
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7182885 |
Fluorinated indenes and 1,7-dihydroindacenes of negative dielectric anisotropy
Fluorinated indenes and 1,7-dihydroindacenes of the general formulae (I) and (II) of negative dielectric anisotropy (Δε<0)
in which
T, A, R, L, X, Y, U, W, Z, n, m, p and q are as defined...
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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 R a is one of the groups represented by Formulas (3-1) to (3-5); R b is...
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7153550 |
Liquid crystalline medium and liquid crystal display
The instant invention relates to liquid crystalline media comprising a dielectrically positive component, component A, consisting of dielectrically positive compounds, comprising one or more...
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7135210 |
Liquid crystal compounds
The invention relates to liquid crystal compounds of formula (I), where X 1 , X 2 , X 3 , Z 1 , Z 2 , L 1 , L 2 , L 3 , L 4 , L 5 , L 6 , L 7 , L 8 , L 9 , L 10 , L 11 and a have the meanings...
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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; A 1 , A...
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7125500 |
Multireactive polymerizable mesogenic compounds
The invention relates to multireactive polymerizable mesogenic compounds of formula I
R 1 —MG—R 2 I
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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,...
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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...
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7122227 |
Chiral photoisomerizable compounds
The invention relates to chiral photoisomerizable compounds of formula (I) wherein X 1 , X 2 , X 3 , X 4 , X 5 and X 6 have the meanings given in claim 1 , to liquid crystalline mixtures and...
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7115307 |
Nematic liquid crystal mixtures for bistable display device
Nematic liquid crystal mixtures with weak zenithal anchoring energy for bistable display devices, comprising at least 40% by weight of compounds with strong molecular polarisability and strong...
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7105210 |
Liquid-crystalline medium
A liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, which contains one or more compounds of the formula I
and one or more compounds of the...
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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,...
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7097887 |
Liquid crystal compounds
The use of a compound of formula (I)
wherein R 1 is an alkyl or alkenyl group, either of which may be optionally interposed with one or more oxygen or sulphur atoms, R 2 is an alkyl or...
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7090899 |
Liquid-crystalline medium having high birefringence
Liquid-crystalline medium having a dielectric anisotropy Δε of ≧3, comprising compounds of the general formula (I),
in which R is as defined herein, are suitable for use as...
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7081281 |
Polymerizable liquid crystal compound, liquid crystal composition and optical anisotropic material
The present invention provides a polymerizable liquid crystal compound having an excellent durability against blue laser light and having a small refractive index and small light absorption, a...
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7081280 |
Liquid-crystalline medium
A liquid-crystalline medium containing a mixture of polar compounds of positive dielectric anisotropy. The mixture contains one or more compounds of formula I
in which: R is H, an alkyl or...
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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 K 33 /K 11 value, a small Δε/Δ⊥ and mutually excellent solubility even at low temperature, compositions...
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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 —CH 2 — may be replaced with —O—, —S—, —CO—, —CH═CH— or...
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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...
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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...
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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...
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7052744 |
Liquid-crystalline mixtures
Nematic liquid-crystal mixtures comprising one or more compounds of the formula I
in which R 1 and R 2 are as defined herein, are suitable for use in TN and STN liquid-crystal displays.
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7052742 |
Five membered-ring compounds and utilization thereof in liquid crystal mixtures
Fluorinated five-membered ring compounds of the formula (I)
R 1 —X—(A 1 —M 1 ) a —(A 2 —M 2 ) b —A 3 —Y—E ...
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