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6177152 |
Liquid crystal device and liquid crystal apparatus
A liquid crystal device having a pair of electrode substrates, and a liquid crystal composition disposed between the substrates. At least one of the substrates is provided with an alignment control...
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6171518 |
Method of preparing a cross-linked macroscopically oriented polymer
The invention relates to a method of preparing an oriented cross-linked polymer, which comprises the steps of orienting and polymerizing a liquid-crystal composition. The liquid-crystal composition...
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6165382 |
Process for obtaining cholesteric liquid crystals by stereoselective recrystallization
Process for synthesizing polymers+PTOBEE (C26H20O8)n and PTOBDME (C34H36O8)n, with the addition of acid dichloride and DL treo-1,2-butanediol in Cl-naphthalene and DL-1,2-dodecanediol with diphenyl...
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6153722 |
Cholesteric liquid-crystal polymers with increased weather stability
The invention relates to a cholesteric liquid-crystalline polymer which in the molecule comprises at least one stabilizer comonomer from the group consisting of UV absorbers and antioxidants.
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6153121 |
Liquid-crystalline resin composition and precision moldings of the composition
Disclosed are a liquid-crystalline resin composition comprising (A) from 20 to 99 parts by weight of a liquid-crystalline resin and (B) from 1 to 80 parts by weight of aluminium borate whiskers of...
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6154265 |
Liquid crystal device and production process thereof
A liquid crystal device is constituted by a pair of electrode plates and a liquid crystal composition disposed between the electrode plates. One of the electrode plates comprises a...
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6146719 |
Liquid-crystalline compounds, and liquid-crystalline medium
A liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, including one or more compounds of the general formula I: ##STR1## in which, R is H, an alkyl or...
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6139927 |
Liquid crystal device
A liquid crystal device is constituted by a pair of substrates each provided with an electrode, and a chiral smectic liquid crystal composition disposed between the substrates. At least one of the...
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6139924 |
Chiral liquid crystal compounds having a fluorinated terminal portion
Novel liquid crystal compounds are provided which exhibit less temperature dependent switching properties, for the reliable and consistent operation of liquid crystal devices. The liquid crystal...
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6139917 |
Liquid crystal aligning agent
A treating agent for liquid crystal alignment, which comprises a polyimide precursor containing repeating units of the formula (1) and having a polymerization degree of from 0.05 to 5.0 dl/g as...
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6139925 |
Liquid-crystal composition, method of adjusting the resistance, and substituted phenols
The present invention relates to liquid-crystal mixtures having specific resistance values, comprising acidic compounds. The present invention furthermore relates to liquid-crystal displays...
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6136225 |
Polymerizable liquid-crystalline compounds
Polymerizable liquid-crystalline compounds of the formula I Z 1 --Y 1 --A 1 --Y 3 --M--Y 4 --A 2 --Y 2 --Z 2 I where Z 1 and Z 2 are...
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6132819 |
Microphase stabilized ferroelectric liquid crystals
A microphase stabilized ferroelectric liquid crystal (MSFLC) and optical device prepared therefrom are provided. The MSFLC includes a block copolymer, comprising at least one non-liquid crystal...
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6129958 |
Chiral smectic liquid crystal mixture containing 1,2-difluoronaphthalenes
A chiral smectic liquid crystal mixture, especially useful for operation in the τV min -mode, comprises a substituted 1,2-difluornaphthaline derivatives of the formula (I), R 1 (--A 1 --M 1 )...
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6128064 |
Liquid crystal device and liquid crystal display apparatus
A liquid crystal device is constituted by a chiral smectic liquid crystal and a pair of substrates sandwiching the chiral smectic liquid crystal therebetween and each having thereon an electrode...
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6126855 |
Reaction products of lyotropic liquid crystal salt complexes
The invention provides superior reaction products of copper, especially ultra-clean copper and polymeric chemical complexes. The polymers are unusual in that they provide polymeric systems of...
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6127466 |
Injection-molded article
To obtain an injection-molded article of a resin composition blended with a thermoplastic resin and a liquid-crystal polymer, which is excellent in mechanical strengths, etc., by forming the...
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6126856 |
Composition containing liquid crystalline polymer
When small amounts of zeolite or titanosilicates are added to thermotropic liquid crystalline aromatic polyester, poly(ester-amide) or poly(ester-imide) compositions, the compositions become less...
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6124005 |
Fluoro-substituted alkyl ether compounds, liquid crystal compositions and liquid crystal display devices
Liquid crystalline compounds which have excellent compatibility with other liquid crystal materials, especially at low temperatures, high voltage holding ratio, low threshold voltage, their small...
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6120701 |
Microencapsulated liquid crystal and a method and system for using same
Briefly, according to one aspect of the invention, liquid crystal material is microencapsulated by a method utilizing an interfacial polymerization reaction which creates a combination of...
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6120859 |
Polymerisable, optically active dioxolane diesters
Polymerisable optically active compounds have the general formula: ##STR1## where: W 1 denotes a polymerisable residue, S 1 denotes a spacer unit, Y 1 denotes a single bond, or one of the...
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6117500 |
Shading spacer for liquid crystal and a liquid crystal display element
A shading spacer for liquid crystal consisting of a cross-linked polymer particles containing a dyestuff which is fixed in said polymer particles by taking a dyestuff compound having a silyl group...
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6117501 |
Nematic liquid crystal composition and liquid crystal display using the same
A liquid crystal composition obtained by mixing a phenylalkyl dioxaborinane derivative, an isothiocyanate derivative, a tolan derivative and a pyrimidine-phenyl derivative in an appropriate ratio,...
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6106743 |
Structurally ordered articles, fabrication method and applications of the same
A structure and apparatus is described which utilizes the intrinsic self-assembling or aligning process of liquid crystal (LC) molecules to form an ordered structure, such as a structure having...
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6103323 |
Circular dichroism optical element, apparatus thereof, and liquid crystal polymer
A circular dichroism optical element having the solidified layer of a liquid crystal polymer comprising a Grandjean oriented cholesteric liquid crystal phase, a liquid crystal display apparatus...
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6099758 |
Broadband reflective polarizer
The invention relates to a broadband reflective polarizer that comprises a layer of a polymerized mesogenic material exhibiting a helically twisted molecular structure with planar alignment, said...
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6096392 |
Cholesteric liquid crystal display element
A liquid crystal composition comprising a cholesteric liquid-crystal polymer, an electrolyte, and an aqueous medium is hermetically interposed between a pair of electrodes and an electric field is...
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6096242 |
Liquid crystal compositions and liquid crystal display elements
Liquid crystal compositions comprising at least two components wherein the first component is at least one selected from propiolonitrile derivatives containing 2-4 rings and the second component is...
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6093344 |
Polymer dispersed liquid crystal display device
A polymer dispersed liquid crystal display device is disclosed. A polymer dispersed liquid crystal display device of the present invention includes a pair of substrates inside which electrodes are...
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6086964 |
Liquid crystalline compound having dienyl moiety and liquid crystal composition
The present invention is to provide a liquid crystalline The present invention is concerned with a liquid crystalline compound expressed by general formula (1) ##STR1## wherein R 1 represents...
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6088077 |
Temperature matched retardation layer
The invention is directed to a liquid crystalline display comprising a display cell containing liquid crystalline material and a retardation layer. The retardation layer comprises a, preferably...
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6083574 |
Aligning method of liquid crystal, process for producing liquid crystal device, and liquid crystal device produced by the process
An aligning method of a chiral smectic liquid crystal includes the steps of: disposing a chiral smectic liquid crystal between a pair of electrode plates, the chiral smectic liquid crystal having a...
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6083575 |
Polymer dispersion type liquid crystal element and manufacturing method thereof
A polymer dispersion type liquid crystal element having a sufficient reflectance and having a layered structure in which a refractive index changes periodically inside, as well as a manufacturing...
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6084649 |
Tristable liquid crystal display device
A tristable liquid crystal display device comprises (a) first and second opposed substrates, at least one bearing an alignment coating and each bearing at least one electrode so as to define one or...
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6080452 |
Electro-optical liquid-crystal display
The invention relates to an electro-optical liquid-crystal display having a realignment layer for realigning the liquid crystals whose field has a significant component parallel to the...
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6078374 |
Spatially switched achromatic compound retarder
This invention provides achromatic compound retarders, achromatic polarization switches, and achromatic shutters using the liquid crystal compound retarders. It further provides achromatic variable...
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6074710 |
Liquid crystal gel, gelling agent, liquid crystal device, and process for fabricating liquid crystal device
A liquid crystal gel containing liquid crystal molecules and a gelling agent. The liquid crystal gel exhibits substantially no fluidity. Also provided are a gelling agent, particularly,...
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6074708 |
Photoinitiator photopolymerizable resin composition, polymer and liquid crystal display device
A photoinitiator is represented by general formula (I): ##STR1## where n is an integer of 1 or greater; A and B are each a trans cyclohexane ring or a benzene ring, the benzene ring being allowed...
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6071438 |
Process for the production of three-dimensionally crosslinked polymeric materials having broad cholesteric reflection bands, and filters, reflectors and polarizers produced by this process
The invention relates to a process for the preparation of three-dimensionally crosslinked polymeric materials having a broad cholesteric reflection band, which comprises bringing polymeric...
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6068792 |
Liquid crystalline polymer film
A liquid crystalline polymer film formed from a liquid crystalline polymer the orientation structure of which is smectic CA phase fixed. In this orientation structure the angle between C-director...
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6059993 |
Record display medium and use thereof
A record display medium that can display a high contrast image and is less likely to cause a lowering of contrast or disappearance of the displayed image even in low temperature and high...
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6061116 |
Homeotropic sprayed-nematic liquid crystal display device
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6056892 |
Method for purifying liquid crystal
A process for purifying an anti-ferroelectric liquid crystal or a ferrielectric liquid crystal, which comprises the following steps 1 to 4, step 1: preparing a liquid crystal solution of an...
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6056893 |
Dopants
A dopant compound of the formula I R 1 -(A 1 -Z 1 ) n -A 2 -W I in which ##STR1## and R 1 , A 1 , A 2 , Z 1 n, X and R a are as defined in claim 1, and to the use thereof as...
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6051289 |
Liquid crystalline polymer film, laminate sheet for optical element using same, and optical element using the laminate
To provide a film for optical element made of liquid crystal polymer whose productivity and economical efficiency are improved; a laminated sheet formed by bonding this film to a polarizing plate;...
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6051290 |
Anisotropic retardation layers for display devices
A composition which includes the following compounds: ##STR1## wherein R 1 , which may be the same or different, is a hydrophilic group; R 2 , which may the same or different, is selected from...
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6043310 |
Thin-wall housing
A fire-resistant polycarbonate resin composition containing A) 5-50 parts by weight of liquid crystal polymer, B) 90-40 parts by weight of polycarbonate resin, C) 2-20 parts by weight of flame...
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6040890 |
Electric optical liquid crystal system
An electric optical system, wherein outsides of transparent upper and lower substrates in a bend cell are placed cross-nicolly between (one or more than one) birefringent film(s) and (two or more...
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6036882 |
Polymer-dispersed liquid crystal material and process
The present invention provides an improved liquid crystal material comprising a liquid crystal material dispersed in a polymer matrix. The polymeric matrix can be a thermal-based system such as an...
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6031015 |
Dental materials based on liquid crystalline monomers
A dental material based on polymerizable monomers is described which contains at least one polymerizable monomer which has liquid crystalline properties. Compared with traditional materials, the...
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