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7381350 |
Fluorene derivatives and polymers thereof
The compound (1) or (2), a composition containing the compound and a polymer obtained by polymerizing the composition.
R 1 is fluorine, cyano, alkyl, and so forth; R 2 is hydrogen, alkyl, and...
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7378135 |
Polymerizable liquid crystal composition and optically anisotropic thin film
In order to obtain such a liquid crystal thin film having optical anisotropy that suffers less change in optical characteristics thereof under heating to 200° C., the following polymerizable...
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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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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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7341675 |
Liquid crystalline polymer composition
Liquid crystalline polymers containing specified ratios of repeat units derived from hydroquinone, 2,6-naphthalenedicarboxylic acid, 4-hydroxybenzoic acid and optionally terephthalic acid have...
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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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7335318 |
Method for manufacturing wholly aromatic liquid-crystalline polyester resin
The present invention provides a method for manufacturing a wholly aromatic liquid-crystalline polyester resin comprising the steps of:
1) acylating the hydroxy group of major monomer...
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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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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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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...
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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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7303695 |
Process for producing optically active liquid crystalline polymer compound
A process is provided for producing efficiently an optically active liquid crystalline polymer compound excellent in mechanical strength or optical characteristics at low cost, in which in that a...
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7300604 |
Tetrahydroxybenzene tetraester derivative and polymer thereof
The invention includes compounds represented by Formula (1):
wherein R 1 is an alkyl having 1 to 20 carbon atoms; A 1 and A 2 are a 1,4-cyclohexylene or 1,4-phenylene; X is a single bond,...
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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...
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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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7264748 |
Aqueous mini-emulsions which are stable in storage and based on cholesteric mixtures
A storage-stable aqueous miniemulsion whose disperse phase comprises a cholesteric mixture is prepared and is used for coating and printing on suitable substrates.
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7261836 |
Chiral dopant with phenylethanediol functionality
The invention pertains to a phenylethanediol derivative having at least one polymerizable group, characterized in that the phenylethanediol derivative further comprises at least one...
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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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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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7247590 |
Composite dielectric, composite dielectric sheet, composite dielectric paste, metal-layered composite dielectric, wiring board and multilayer wiring board
The composite dielectric of the present invention contains an aromatic liquid crystal polyester and a dielectric ceramic powder arranged in the aromatic liquid crystal polyester, wherein the...
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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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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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7211201 |
Antiferroelectric liquid crystal and its manufacturing method
Rod-like molecules ( 1 ) are admixed into a smectic C liquid crystal ( 2 ). According to the least-energy principle for electrostatic energy each rod-like molecule ( 1 ) has its permanent dipole...
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7199167 |
Light emitting polymer
There is provided a process for forming a light emitting polymer comprising photopolymerization of a reactive mesogen having an endgroup which is susceptible to photopolymerization e.g. by a...
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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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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 high...
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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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7175779 |
Thermotropic main-chain liquid crystalline polymers and method of increasing the melt processibility of polyester-based liquid crystalline polymers
A thermotropic main-chain liquid crystalline homo- or copolymer forming a liquid crystalline phase and containing an aromatic monomer with functional groups in ortho- or meta-position. The polymer...
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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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7153549 |
Cholesteric liquid crystal additives
The invention provides a cholesteric liquid crystal composition that includes at least one cholesteric liquid crystal precursor, and at least one non-liquid crystalline additive that is a...
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7153548 |
Compound, retardation plate and method for forming optically anisotropic layer
A retardation plate having a high film strength and having an optical property is provided by using a biaxial liquid crystal compound, in which the direction having a minimum refractive index of...
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7147800 |
Selective ether cleavage synthesis of liquid crystals
A method for making platform molecules comprising: reacting 4-alkoxy benzoyl chloride with R 2 -hydroquinone under first conditions effective to produce bis 1,4[4-alkoxy-benzoyloxy]-R 2 -phenylene...
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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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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...
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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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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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7108801 |
Methods and blends for controlling rheology and transition temperature of liquid crystals
A method for producing a blend comprising randomly substituted mesogens comprising: providing one or more platform molecules have the following general structure:
wherein at least one member...
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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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7105106 |
Liquid crystalline polymers, processes for their manufacture, and articles thereof
Thermotropic liquid crystalline polymers are produced by the reaction of a polyester made from an aromatic dicarboxylic acid and a diol, one or more hydroxycarboxylic acids, a stoichiometric excess...
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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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7098359 |
Mesogens and methods for their synthesis and use
New, efficient methods for making novel platform molecules and polymerizable mesogens are provided, as well as the novel mesogens and methods of using same.
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7094359 |
Micro powder and method for producing the same
An object of the present invention is to provide a micro powder capable of producing a thin film with precision thickness. This object is achieved by a micro powder having an average particle size...
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7094358 |
Ultra-low shrinkage composite resins based on blended nematic liquid crystal monomers
Resin blends comprising liquid crystal monomers and secondary monomers useful to blend with liquid crystal monomers to maintain a nematic state under processing conditions while maintaining low...
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