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7351451 |
Anthraquinone compound, liquid crystal composition, cell and display device employing the same
A liquid crystal composition comprising at least one liquid crystal compound and at least one anthraquinone compound represented by formula (1) below: Formula (1) (wherein R 2 to R 8 each...
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7351506 |
Polymerization-encapsulated cholesteric liquid crystal for bistable reflective displays
A liquid crystal polymer dispersion is formed where liquid crystal encapsulation is produced by a process in which a reactive additive formulation is mixed and photo-polymerized. The polymerizable...
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7347955 |
Heat conducting polymer mold products
A mold product comprising liquid crystal composition for conducting heat. The liquid crystal composition contains liquid crystal polymer having an orientation degree α obtained by equation 1...
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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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7344763 |
Display medium
A rewritable display containing a substrate having thereon one or more constitution layers, one of the constitution layers being a liquid crystal layer containing a liquid crystal composition which...
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7344657 |
Aromatic liquid-crystalline polyester composition and film of the same
An aromatic liquid-crystalline polyester composition is provided, which comprises at least one compound selected from an aliphatic carboxylate aryl ester and an aromatic carboxylic anhydride; an...
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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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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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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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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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7329896 |
Polymerizable charge transport compounds
The invention relates to polymerizable charge transport compounds, their use as semiconductors or charge transport materials, in optical, electrooptical or electronic devices like for example...
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7329440 |
Liquid crystal composition and liquid crystal electro-optical device
It is an object of the present invention to provide a liquid crystal composition with high response speed without lowering various characteristics of a liquid crystal, such as voltage holding rate...
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7329368 |
Temperature compensating chiral dopants
The present invention relates to a chiral compound, and an article utilizing the same, represented by the following structures I-1, I-2, I-3, or 1-4:
wherein the chiral compound demonstrates...
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7326364 |
Complex light-compensation C plate with two or more of C plates different in dispersion ratio value and liquid crystal display using the same
Disclosed is a complex light compensation C plate including at least two C plates representing different dispersion ratio values, respectively. The complex light compensation C plate improves a...
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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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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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7318950 |
Chiral compounds II
The invention relates to chiral compounds of formula (I) R 1 —X 1 -(A 1 -Z 1 ) m -G-(Z 2 -A 2 ) n -X 2 —R 2 , wherein R 1 , R 2 , X 1 , X 2 , A 1 , A 2 , Z 1 , Z 2 , G, m and n have the meaning...
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7318951 |
Retardation film, producing process thereof and liquid crystal display utilizing the same
A novel retardation film is disclosed. The film comprises a transparent substrate and an optically anisotropic layer formed thereon by fixing a liquid crystalline compound in an aligned state,...
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7316829 |
Liquid crystal composition and display device
A liquid crystal composition comprising a dichroic dye, a host liquid crystal and at least one kind of solid matter having an average particle diameter of 1 nm to 10 m, the dichroic dye having a...
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7316789 |
Conducting liquid crystal polymer nature comprising carbon nanotubes, use thereof and method of fabrication
Conducting liquid crystal polymer matrix comprising carbon nanotubes aligned in the matrix is provided, along with use thereof and method of fabrication.
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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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7314639 |
Process for the production of crystals of a benzoic acid derivative
A method for preparing a crystal of 4-[(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)ca
rbamoyl]benzoic acid having a single endothermic peak approximately at 233° C. in differential...
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7311949 |
Composition, optical film, polarizing plate and liquid crystal display
A novel optical film is disclosed. The film comprises an optically anisotropic layer formed of a composition comprising at least one liquid crystal compound and at least one polymer having a...
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7311948 |
Isosorbide derivatives
The invention pertains to an isosorbide derivative having at least one polymerizable group, characterized in that the isosorbide derivative further comprises at least one photo-convertible group...
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7311952 |
Liquid crystalline film with broadened reflection bandwidth and process for preparation thereof
Reflective liquid crystalline polymer films having increased bandwidth have a single layer of liquid crystalline material with short, long, and medium pitch of the helical molecular structure of...
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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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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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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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7297292 |
Flakes comprising non-chiral liquid crystal material
The invention relates to liquid crystal flakes, to methods of their preparation and to their use as pigments for security or decorative applications or optical elements.
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7297377 |
Liquid crystal display devices
A liquid crystal display device having a pair of substrates, a liquid crystal layer filled between the pair of substrates and a plurality of pixel electrodes and common electrodes formed on one of...
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7294303 |
Broad band-cholesteric liquid crystal film and process for producing the same, circularly polarizing plate, linearly polarizing element, illuminator, and liquid-crystal display
A broad band cholesteric liquid crystal film of the present invention comprises a cholesteric liquid crystal film obtained by polymerizing a liquid crystal mixture containing a polymerizable...
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7282245 |
Device with multiple liquid crystal layers
A device composed of: (a) a first liquid crystal composition including a first liquid crystal and a first liquid crystal domain stabilizing compound, wherein the first liquid crystal composition...
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7270769 |
Precursor for preparing an optical material, method and optical components obtained with same and uses thereof
A precursor for the preparation of a material with optical properties modifiable under the action of at least one external parameter, comprising a component A constituted by polymerizable monomers...
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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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7270855 |
Optical film, method for manufacturing the same, and phase difference film and polarizing plate using the same
A method for preparing an optical film, which comprises applying and developing an application liquid mixture containing a liquid crystal monomer, a chiral agent and a polymerization initiator on...
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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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7264749 |
Alkyne compounds
The present invention relates to alkyne compounds of the formula I
P 1 —Y 1 -A 1 -Y 3 -(T 1 -B 1 -) m -T 3 -C≡C-T 4 -(B 2 -T 2 -) n...
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7262305 |
Anisotropic films based on 1,8-naphthoylene-1′,2′-benzimidazole sulfonates and lyotropic liquid crystal systems and methods for making
Optically anisotropic films based on sulfoderivatives of 1,8-naphthoylene-1′,2′-benzimidazole are disclosed. These compounds form stable lyotropic liquid crystal systems that exhibit excellent...
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7262252 |
Nonlinear optical materials comprising fluorine-containing polymer
There is provided a fluorine-containing resin composition which is used for nonlinear optical material and comprises (I) a fluorine-containing prepolymer and (II) an organic compound exhibiting a...
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7258902 |
Chiral 3,4-dihydro-2H-pyran compounds
The invention relates to chiral 3,4-dihydro-2H-pyran compounds and diastereomers thereof, and to the use of these compounds as chiral dopants for liquid-crystalline systems. The invention...
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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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7255811 |
Tolane derivatives and liquid crystalline medium
Tolane compounds of the formula I
wherein R 1 , R 2 , L 1 , L 2 and L 3 are as defined herein, are described. Further described are liquid-crystalline media comprising at least one tolane...
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7252785 |
Composition for producing a thermal insulation coating
The invention relates to a composition for producing a heat-insulating coating comprising at least one radiation-absorbing compound and at least one IR-reflector component, to a heat-insulating...
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7250116 |
Liquid crystal composition, polymerization product, retardation plate and ellipsoidally polarizing plate
A biaxial liquid crystal composition containing a liquid crystal compound and a refractive index-controlling agent, which is capable of developing a biaxial liquid crystal phase, and has a value of...
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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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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...
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7238397 |
Black/white cholesteric bistable display with increased white reflectivity
A cholesteric display is provided including a bistable liquid crystalline mixture contained between a first substrate and a second substrate of a liquid crystal cell, and a polymer network...
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7235283 |
Optical compensation plate and deflecting plate using the same
The present invention provides an optical compensation plate having an optical compensation layer in which cracks occurring due to an applied pressure is suppressed. By applying a curable adhesive...
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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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