Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 19 - Liquid crystal materials
Patents for C09K 19 - Liquid crystal materials (21,026)
09/1991
09/12/1991DE4107389A1 Liq. crystal medium used for electro-optical applications - contains mixts. of cpds. with linked 1,4-phenylene, trans-1,4-cyclohexylene and trans-1,3-di:oxan-1,4-di:yl units
09/11/1991EP0445629A2 Process of preparing liquid crystal compositions containing multiple oriented mesogens
09/11/1991EP0445628A2 Polymerizable nematic monomer compositions
09/11/1991EP0445401A2 Polymer epoxy-networks with superstructures
09/11/1991EP0445257A1 Pyridine derivatives and a liquid crystal medium.
09/11/1991EP0445248A1 Pyridine derivatives.
09/11/1991EP0445202A1 Materials exhibiting large non linear optical properties.
09/11/1991CN1054493A Reverse mode microdroplet liquid crystal light shutter display
09/10/1991US5047346 Optically active 3-(2-trifluoro-1-hydroxyethyl)propenyl benzyl ether, derivatives thereof, method for preparing the same and use thereof for liquid crystal compound
09/10/1991US5047172 W-substituted, optically active alkanol ester derivatives
09/10/1991US5047171 Liquid Crystals
09/10/1991US5047170 Anisotropic compounds having nematic phase and liquid crystal mixtures
09/10/1991US5047169 Elevates refractive index anisotropy of lifquid crystal compounds; high speed response
09/10/1991US5046831 Liquid crystal electro-optical device having micro-domains
09/10/1991US5046830 Ferroelectric liquid crystal device with specific pitch in each of a cholesteric and a smectic phase
09/10/1991US5046823 Ferroelectric liquid crystal electro-optic apparatus and manufacturing method thereof
09/08/1991CA2037485A1 Polymeric epoxide networks having superlattice structure
09/05/1991WO1991013126A1 A light modulating material including liquid crystalline material
09/05/1991WO1991013125A2 Colourant
09/04/1991EP0445037A2 Liquid crystal compound
09/04/1991EP0444740A1 Liquid crystalline polyesters for optical data storage
09/04/1991EP0444703A2 Polarizers, a method for producing the same and liquid crystal display devices
09/04/1991EP0444448A2 Phenylcyclohexylethane and liquid crystal medium
09/03/1991US5045229 Liquid crystals
09/03/1991US5045228 Useful for high speed print heads
09/03/1991US5045227 Polymeric electrolyte
09/03/1991US5044735 Liquid crystal display device for providing sufficiently high contrast ratio and excellent response time
09/03/1991US5044725 Polymeric thin film waveguide media
09/02/1991CA2037369A1 Liquid crystalline polyesters for optical data storage
08/1991
08/29/1991DE4005882A1 Fluorinated aromatics, e.g. fluorinated bis-phenyl-buta-di:yne - useful as components of liq. crystal phases
08/28/1991CN1054094A Carboxylate compounds and liquid crystal compositions containing said compounds and liquid crystal element thereof
08/27/1991US5043402 Blend with liquid crystalline polyester
08/27/1991US5043391 Linear addition polymer with hyperpolarizable side groups
08/27/1991US5043095 For temperature compensation and producing a large twist of helical structures
08/27/1991US5043094 Optically active bisaryl compound
08/27/1991US5043093 Liquid crystals
08/27/1991CA1288093C CHIRAL ESTERS OF .alpha.-SUBSTITUTED PHENYLALKANOIC ACIDS AND MESOGENIC HYDROXY COMPOUNDS, AND THEIR USE AS A DOPING SUBSTANCE IN LIQUID CRYSTAL PHASES
08/27/1991CA1288092C CHIRAL ESTERS FORMED FROM .alpha.-SUBSTITUTED CARBOXYLIC ACIDS AND MESOGENIC HYDROXYL COMPOUNDS, AND THEIR USE AS DOPANTS IN LIQUID-CRYSTALLINE PHASES
08/24/1991WO1991003446A1 Phenylcyclohexanes and liquid crystal medium
08/22/1991WO1991012294A1 Low viscosity liquid crystal mixture
08/22/1991WO1991012234A2 Difluoroacetonitrile derivatives
08/22/1991WO1991009016A3 Halophenyl substituted heterocyclic derivatives
08/22/1991DE4104025A1 Di:fluoro-acetonitrile derivs. with mesogenic gps. - useful as components of liq. crystals media for electro=optical displays
08/22/1991DE4102361A1 Low-viscosity liq. crystal mixts. - contain 4-chloro:phenyl ester(s) of 4-alkyl-benzoic or-cyclohexane carboxylic acids, and 4-substd. benzonitrile(s)
08/22/1991DE4005236A1 Electro-optical LC system
08/22/1991DE4004650A1 Halogenated bi:phenyl-cyclohexyl-ethane(s) - useful as components of liq. crystal media for electro-optical displays
08/21/1991WO1991012233A1 Liquid crystal cyanoalkanes and cyanoalkenes
08/21/1991EP0442504A2 Ferroelectric liquid crystal device
08/21/1991EP0442499A2 Liquid crystal composition, liquid crystal device, display apparatus and display method using same
08/21/1991EP0442306A2 (4E-cyclohexyl-3-butenyl)phenyl derivatives
08/21/1991EP0442266A1 Tolan derivatives, liquid crystal compositions containing them, and liquid crystal elements using them
08/21/1991EP0442097A2 Poly(arylenevinylene siloxanes)
08/21/1991EP0441951A1 Halogenated benzene derivatives and liquid crystalline medium.
08/21/1991EP0441933A1 Difluorobenzonitriles and liquid-crystal medium.
08/21/1991EP0441932A1 Fluorobenzole derivatives and mesomorphous medium.
08/21/1991EP0441922A1 Difluorobenzonitriles and liquid-crystal medium.
08/20/1991US5041602 Cinnamic acid used as inexpensive starting material
08/14/1991EP0441213A2 Chiral dioxolanes
08/14/1991EP0440771A1 5-oxy-2-phenylazines and mesomorphous medium
08/14/1991EP0440762A1 5-oxy-2-phenylpyridines and liquid-crystal materials.
08/14/1991EP0440643A1 Fluorinated 4''-cyano substituted terphenyls.
08/14/1991EP0301021B1 Amide liquid crystal compounds: mixtures and devices using them
08/14/1991DE4004206A1 Liq. crystal element, useful as rotating polariser etc. - has LC layer on substrate, with electrodes arranged to produce rotating electric field in plane of LC layer
08/13/1991US5039208 Polymer stretched to provide high degree of uniform alignment
08/08/1991WO1991011747A1 Bistable electrochirally controlled liquid crystal optical device
08/08/1991WO1991011497A1 Liquid crystalline medium
08/08/1991WO1991011418A1 Partially fluorinated compounds
08/08/1991WO1991009026A3 Phenyldioxanes
08/08/1991DE4003012A1 Geminale dimethylalkyl-verbindungen, verfahren zu ihrer herstellung und ihre verwendung in fluessigkristallinen mischungen Geminal dimethylalkyl compounds, process for their production and their use in fluessigkristallinen mixtures
08/08/1991DE4002896A1 Fluoro-aryl cpds. prodn. with ortho electrophilic substituent
08/08/1991DE4002860A1 Halophenyl substd. heterocyclic derivs. giving LC mesophase(s)
08/07/1991EP0440343A2 Improvements in or relating to colour filters for liquid crystal cells
08/07/1991EP0440136A2 Liquid crystal composition and liquid crystal device containing the same
08/07/1991EP0440134A1 Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus
08/07/1991EP0440082A2 Method for the conversion of fluorinated aromatic compounds using electrophiles
08/07/1991EP0440061A1 Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus
08/07/1991CN1053633A Utilization of ioncomplex ligand in ferroelectric crystal mixture
08/06/1991US5037576 Liquid crystal compounds, mixtures and devices
08/06/1991US5037575 Squarilium compound and liquid crystal composition containing the same
08/06/1991US5037574 Increased mesophase to isotropic transition temperatures and mesophase stability
08/06/1991US5037186 Optical filter employing a copolyglutamate having thermotropic cholesteric liquid crystal properties
08/03/1991WO1991011441A1 Process for producing geminate dimethylalkyl compounds and their use in liquid crystalline mixtures
08/03/1991CA2075198A1 Process for producing geminate dimethylalkyl compounds and their use in liquid crystalline mixtures
08/01/1991DE4101600A1 New partly fluorinated uncondensed poly:cyclic cpds. - used in LCD medium, with low viscosity and wide mesophase range
08/01/1991DE4101543A1 New alkyl substd. fluorinated terphenyl cpds.
08/01/1991DE4002411A1 New methylene cyclohexane cpds. and new optically active cpds. - used in liquid crystal compsn., esp. dielectric for matrix cpd.
08/01/1991DE4002374A1 New partly fluorinated uncondensed poly:cyclic cpds. - useful in LCD medium, having low viscosity and wide mesophase range
08/01/1991DE4002146A1 Electro-optical LC system
07/1991
07/31/1991EP0439190A2 Component for liquid crystal composition and liquid crystal composition containing the same
07/31/1991EP0439185A2 Liquid crystal compound
07/31/1991EP0439170A2 Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus
07/31/1991EP0439089A1 Halogenated terphenyls and liquid crystal medium
07/31/1991EP0438811A2 Esters of 3-halogeno- or 3-cyano-substituted 2-methylalkanecarboxylic acids and their use as doping agents in liquid-crystalline compositions
07/31/1991EP0438810A2 Use of polyaryletherketones as orientation layers
07/31/1991EP0438754A1 Optically active compound, intermediate therefor, process for producing the intermediate, and liquid-crystal composition
07/31/1991EP0438575A1 Benzol derivatives and liquid crystalline medium.
07/31/1991EP0438574A1 2,5-disubstituted heterocycles and mesomorphous medium.
07/31/1991EP0438547A1 Super-twist liquid crystal display.
07/31/1991CA2035257A1 Colour filters for liquid crystal cells
07/30/1991US5035928 Liquid crystal display device
1 ... 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 ... 211