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7390434 |
Method and apparatus for producing film from polymer solution, and optical polymer film
A dope containing cellulose acylate as a main content of polymer is cast on a front surface of a moving belt in a method of producing a film from a solution. A drying apparatus is confronted to a...
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7387858 |
Reflective display based on liquid crystal materials
The present invention relates to a high contrast reflective display comprising at least one substrate, at least one electrically conductive layer and at least one close-packed, ordered monolayer of...
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7387857 |
Liquid crystalline di(meth)acrylate compound, phase difference film, optical film, polarizing plate, liquid crystal panel and liquid crystal display device
A phase difference film characterized in that said film is obtained by orienting and fixing, on a substrate, a composition containing a polymerizable liquid crystal monomer represented by the...
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7387856 |
Display comprising liquid crystal droplets in a hydrophobic binder
The present invention relates to a display comprising at least one substrate and at least one electronically modulated imaging layer and at least one electrically conductive layer, wherein the...
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7381507 |
Photo-patterned light polarizing films
This invention relates to methods for preparing photo-patterned mono- or polychromatic, polarizing films. The polarizer can be pixelated into a number of small regions wherein some of the regions...
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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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7381349 |
Process for producing liquid crystal of desired properties by mixing together at least two rigid rodlike helical polymers with narrow molecular weight distributions and different weight-average molecular weights with chiral side chains
A process to produce a polymer liquid crystalline composition having temperature dependency of desired circular polarization selective reflection wave length property by only mixing two or more...
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7381348 |
Optical device
The invention relates to optical devices for producing and/or transforming polarized electromagnetic emission by means of anisotropic absorption and/or optical rotation effects and/or birefringence...
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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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7374948 |
Methods and apparatus for detection of molecular chirality
The disclosure provides methods for the determination of the enantiomeric excess of chiral compounds. The methods involve doping a chiral analyte into an achiral liquid crystal host to form a...
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7365359 |
Organic semiconductor material and organic semiconductor element
An organic semiconductor material having high charge mobility characteristics and an organic semiconductor element is provided. The organic semiconductor material has rodlike low-molecular liquid...
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7364776 |
Display device
A novel display device is disclosed. The display device comprises a plural of liquid crystal layers disposed between a pair of electrodes respectively, wherein each of the liquid crystal layers...
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7364671 |
Optical component, orientation layer, and layerable polymerisable mixture
A polymerisable mixture that can be applied as a layer, an orientation layer of the mixture, and an optical component, such as a retarder or a liquid crystal display, having a layer of which the...
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7361389 |
Smectic liquid crystal device and process for producing the same
A smectic liquid crystal device and process for producing the same are provided to realize uniform orientation of a smectic liquid crystal with no nematic phase in a phase sequence represented by...
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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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7354887 |
High temperature LCP for wear resistance
A high temperature liquid crystalline polyester (LCP) composition, and articles made therefrom, that provides “good” to “excellent” wear resistance at PVs (pressure×velocity) of at least...
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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