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6022491 |
Liquid crystalline polymer composition
A thermotropic liquid crystalline polymer constituted of repeat units derived from hydroquinone, terephthalic acid, isophthalic acid, 2,6-naphthalene dicarboxylic acid, and 4-hydroxybenzoic acid,...
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6022492 |
Difluorophenyl pyrimidyl pyridine derivatives and the use thereof in liquid crystal mixtures
Difluorophenylpyrimidylpyridine derivatives of the formula (I) ##STR1## wherein X is N and Y is CH or X is CH and Y is N; R 1 and R 2 are identical or different and are a) an unbranched or...
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6017469 |
Supertwist liquid-crystal display
Supertwist liquid crystal displays with outstanding properties are obtained when the nematic liquid crystal mixture contains at least one compound of the formula (I): ##STR1## where the variables...
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6017468 |
Polymer dispersed liquid crystal materials polymer dispersed liquid crystal display devices and method of manufacturing the same
A polymer dispersed liquid crystal material comprising a polymer matrix, a liquid crystal and a diffusing agent.
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6017465 |
Liquid crystal display element
A liquid crystal display element including a pair of substrates each having an electrode, arranged so that the electrodes face to each other, and a liquid crystal layer sandwiched between the pair...
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6017467 |
Propiolonitrile derivatives and liquid crystal compositions comprising the same
A propiolonitrile derivative of formula (I) ##STR1## wherein n1 and n2 each independently stand for 0 or 1; A1, A2 and A3 each independently represent a 1,4-phenylene, a 1,4-phenylene substituted...
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6017466 |
Liquid crystal optical element, liquid crystal display element and a projection type liquid crystal display apparatus
A liquid crystal optical element comprising a pair of substrates with electrodes and a liquid crystal/polymer composite material interposed between the pair of substrates wherein polymer which...
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6015507 |
Liquid crystal element having composite layer
A liquid crystal element includes a pair of plates at least one of which is transparent, and a composite layer retained between the plates and including a liquid crystal material in a transparent...
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6013197 |
Liquid crystalline copolymer
The invention relates to copolymers made from mono-reactive liquid and/or di-reactive liquid crystals which can be photopolymerized to form copolymers and to novel reactive liquid crystal compound...
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6010641 |
Liquid crystal polymer devices and materials
Methods for loading and alignment of liquid crystal polymers in electro-optic and electro-active devices comprise in-situ polymerisation between substrates of monomer material in the presence of a...
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6010642 |
Azine derivative, process for the preparation thereof, nematic liquid crystal composition and liquid crystal display system comprising same
Disclosed is to provide an azine derivative as a novel liquid crystal compound, a novel process for the preparation of an asymmetrical azine in a high reaction yield with an extremely small amount...
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6010643 |
Cholesteric polymer network
The invention relates to a liquid material in the form of cholesteric polymer network, wherein the polymerized material is obtainable by copolymerization of a compound (a) having at least two...
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6007738 |
Selectively reflective polymer moulded article and a process for producing the same
This invention provides, in an easy manner, a film-like moulded article which shows a selective reflection of a wavelength and circularly polarized light. A suitable environment for formation of a...
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6007737 |
Liquid crystal compositions
The first smectic liquid crystal composition of the invention has a voltage gradation parameter L of less than 0.6, said parameter being defined by the equation L=S H /S O with the proviso that:...
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6002383 |
Polymer dispersed liquid crystal (PDLC) film using heat or an electric field to change state and the other to change back
There is disclosed an information displaying medium having a base member and a writable displaying unit disposed thereon. The writable displaying unit has a reversible displaying element including...
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6001276 |
Liquid crystal device
A liquid crystal device is constituted by a pair of transparent substrates each having thereon a transparent electrode, and a chiral smectic liquid crystal composition lacking cholesteric phase...
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5997765 |
Liquid crystal polyester resin composition
A liquid crystal polyester resin composition comprising a liquid crystal polyester (A) in a continuous phase and a rubber having a functional group reactive with the liquid crystal polyester (B) in...
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5993690 |
Organosilicon compound, liquid crystal composition, and liquid-crystal display element
An object of the present invention is to provide organosilicon compounds having an excellent miscibility with other liquid crystal materials, low viscosity, and improved threshold voltage; to...
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5989461 |
Circular UV polarizer
The invention relates to a circular UV polarizer based on a polymerized mesogen being obtainable by curing by actinic radiation or by heat of a polymerizable composition which comprises the...
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5985170 |
Liquid crystal compositions and liquid crystal display devices
A liquid crystal composition for a liquid crystal display device of supertwisted nematic mode characterized in that it comprises at least one compound selected from the group consisting of...
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5980777 |
Liquid crystalline resin and molded product thereof
A liquid crystalline resin which comprises at least one kind of liquid crystalline polymer selected from liquid crystalline polyester and liquid crystalline polyester amide, both forming an...
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5976408 |
Acrylonitrile derivative, liquid crystal composition, and liquid crystal display device
An acrylonitrile derivative expressed by the following general formula I, a composition comprising the derivative and having an improved viscosity and optical anisotropy, and a liquid crystal...
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5976405 |
Method for forming pluralities of droplets and polymer particles having low polydispersity
Disclosed are uniformly sized domains of liquid crystals, a method for forming the domains, and their performance in polymer dispersed liquid crystal displays. The method provides the ability to...
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5976239 |
Pigment with color dependent on viewing angle, method of making and use of same
The invention relates to a pigment with color dependent on the viewing angle, which has been obtained by three-dimensional crosslinking of oriented substances of liquid-crystalline structure having...
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5972240 |
Liquid crystal composite material and liquid crystal display device(s) which use them
Liquid crystal composite materials containing organic compounds enable the lowering of the drive voltage of liquid crystal display devices and of liquid crystal display devices of a...
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5968414 |
Side chain liquid crystal polymer, manufacturing method therefor and optical recording medium employing the same
A side chain liquid crystal polymer and a manufacturing method therefor are provided. Also, an optical recording medium of which recording layer is made of the side chain liquid crystal of the...
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5955000 |
Chiral compounds
This invention describes compounds of formula (I) ##STR1## wherein R is C 1 -16 alkyl or alkoxy; X is selected from F and Cl and indicates that one or more of the phenyl rings may be laterally...
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5951912 |
Liquid crystal composite and device comprising same
A liquid crystal device has, as electrooptically active material, a liquid crystal composite including a containment medium, a liquid crystal composition dispersed in the containment medium, and an...
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5948486 |
Liquid crystal polymer devices
A method for the loading and alignment of liquid crystal polymers in electro-optic and electro-active devices by in-situ polymerization between substrates of liquid crystal monomers. The molecular...
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5942618 |
1-fluor-5,6,7,8-tetrahydroisoquinoline derivatives, and their use in liquid-crystal line mixtures
1-Fluoro-5,6,7,8-tetrahydroisoquinoline derivatives, and their use in liquid-crystalline mixtures 1-Fluoro-5,6,7,8-tetrahydroisoquinoline derivatives of the formula (I) R 1 ( --M 1 ) a (--A 1 ...
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5938971 |
Liquid crystal solutions having a base of cellulose and at least one phosphoric acid
Liquid-crystal solutions comprising cellulose dissolved in a solvent agent. They contain more than 10% by weight of cellulose, and are optically anisotropic at rest and at room temperature. The...
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5938972 |
Liquid crystal composition, production thereof, and liquid crystal element made therewith
Disclosed herein are a liquid crystal composition which has a low viscosity and exhibits a high response speed while keeping the characteristic properties (e.g., orientation and switching...
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5928562 |
Process for controlling cone tilt angle in mixtures of smectic liquid crystal compounds
A process for controlling the cone tilt angle of a tilted smectic liquid crystal composition comprises the step of combining (a) at least one liquid crystal composition comprising at least one...
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5922242 |
Liquid crystal display
An LCD which having a high response speed, a wide viewing angle and a high contrast and capable of displaying high-quality gray-scale images at normal temperature. The LCD comprises an array...
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5919397 |
Ferroelectric liquid crystal composition
A ferroelectric liquid crystal composition exhibiting a novel chiral smectic phase is disclosed. In this novel phase, a director of liquid crystal molecules may settle in a third stable state which...
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5911913 |
1-fluoroisoquinoline derivatives and the use thereof in liquid crystalline mixtures
1-Fluoroisoquinolinc derivatives of the formula (I) R 1 (--M 1 ) a (--A 1 --M 2 ) b (--A 2 --M 3 ) c --B(--M 4 --A 3 ) d (--M 5 --A 4 ) e (--M 6 ) f --R 2 ( 1) where the...
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5911912 |
Halovinyl ethers
Halovinyl ethers of the general formula I ##STR1## in which R, A 1 , A 2 , A 3 , Z 1 , Z 2 , X 1 , X 2 , l, m and n are as defined herein are suitable as components of liquid-crystalline media.
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5911911 |
Polymerized liquid-crystalline compositions
Polymerized liquid-crystalline compositions are obtainable by radiation curing of mixtures comprising P0 a) one or more cellulose derivatives in which some or all of the hydroxyl groups of the...
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5906770 |
Polymer-dispersed liquid crystal composition
A novel PDLC film composition that contains a mixture of acrylate monomers that provide certain advantages when combined with a liquid crystal. The mixture of acrylate monomers contains one...
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5904984 |
Electrical insulation using liquid crystal thermoset epoxy resins
Liquid crystal thermoset epoxy resin is used as an electrical insulator on electrical conducting devices such as coils and transformers. The linear epoxy/mesogen/epoxy molecule of the liquid...
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5904876 |
Nematic liquid-crystal composition
The invention relates to a nematic liquid-crystal composition based on terminally and laterally fluorinated compounds and dielectrically neutral compounds. This composition is highly useful for...
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5904877 |
Trifluoratetrahydroisoquinoline derivatives, and the use thereof in liquid-crystalline mixtures
1,8,8-Trifluoro-5,6,7,8-tetrahydroisoquinoline derivatives, and their use in liquid-crystalline mixtures 1,8,8-Trifluoro-5,6,7,8-tetrahydroisoquinoline derivatives of the formula (I) R 1 (--M 1...
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5891357 |
Optical element and method of manufacturing the same, and macromolecular liquid crystal for an optical element
An optical element comprises a molded body of a composition of a cross-linked macromolecular liquid crystal and a resin. An optical element composed of a macromolecular liquid crystal composition...
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5888420 |
Liquid crystal device and process for preparing the same
Disclosed is a liquid crystal device comprising a liquid crystal cell filled with a liquid crystal material capable of exhibiting a smectic phase, said cell including upper and lower substrates...
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5889907 |
Optical processing method using fine liquid crystal droplets and waveguide type optical device for optical processing
Two optical waveguides comprising a light transmitting medium are disposed close to each other on a substrate, and electrodes are disposed parallel to each other so as to sandwich one optical...
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5885482 |
Liquid crystal device, production process thereof and liquid crystal apparatus
A liquid crystal device is constituted by a pair of oppositely disposed substrates including a first substrate provided with a first alignment control layer which has been subjected to a uniaxial...
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5886242 |
Polymerizable, chiral compounds and their use
The invention relates to chiral compounds containing at least one divalent or polyvalent chiral group, at least one polymerizable group, at least one spacer and at least one mesogenic group, and to...
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5882741 |
Members having a multiaxially oriented coating of thermotropic liquid crystalline polymer and method and apparatus for producing such members
Coatings of multiaxially oriented Thermotropic Liquid Crystalline Polymer (TLCP) are provided to elongated members. Suitable members include glass rods, glass fibers, pipes, beams, and other oval...
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5879585 |
Liquid crystalline compound having alkynyl group, and liquid crystal compositions and liquid crystal display device therefrom
A liquid crystalline compound having a remarkably high Δn and good miscibility with other liquid crystalline compounds, and expressed by the general formula (1) ##STR1## wherein R 1 represents,...
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5877136 |
Liquid peracid precursor colloidal dispersions: Liquid crystals
A stable liquid peracid precursor composition for delivering a bleaching and cleaning material is provided in which the liquid peracid precursor composition combines a dispersion medium which...
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