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)
07/1991
07/30/1991US5035826 Antisoilants, pretreatment
07/26/1991CA2034896A1 Use of polyaryl ether ketones as alignment layers
07/25/1991WO1991010716A1 Matrix liquid crystal display
07/25/1991DE4101468A1 LCD medium contg. dioxanyl, pyrimidinyl or pyridyl benzene cpd. - with substit. contg. fluorine and/or chloride for LCD with low threshold voltage
07/25/1991DE4100288A1 Super-twist liq. crystal display - has very short switching time and large operating temp. range, good contrast and low threshold voltage
07/25/1991DE4100287A1 Super-twist liq. crystal display - has very short switching time and large operating temp. range, good contrast and low threshold voltage
07/25/1991DE4001843A1 Electro-optical LC system
07/25/1991DE4001683A1 Electro-optical LC system
07/25/1991DE4001541A1 Electro-optical LC system
07/25/1991DE4001540A1 Electro-optical LC system
07/25/1991DE4001539A1 Electro-optical LC system
07/24/1991EP0438128A2 Polymer blend composition for melt molding
07/24/1991EP0437595A1 Fluoro-chloro-benzene derivatives.
07/24/1991CA2033463A1 Polymeric thin film waveguide media
07/23/1991US5034153 Liquid-crystalline polymer composition
07/23/1991US5034152 Optically active compound and liquid crystal composition containing same
07/23/1991US5034151 Laminate with 1,3,4-oxadiazole compoumd as liquid crystal
07/18/1991DE4100131A1 Improved liq. crystal medium showing ECB effect - contg. added 1,3,4-di:thiazole cpds. has long lasting stability and favourable meso range
07/18/1991DE4001023A1 Electro-optical LC system
07/18/1991DE4000723A1 Electro-optical LC system
07/17/1991CN1053055A Carboxylate compounds, liquid crystal compositions and liquid crystal elements containing said compounds and method of optical modulation using said elements
07/16/1991US5032673 Liquid-crystal copolyethers based on 7-oxa-bicyclo-(2,2,1)-heptane
07/16/1991US5032314 Optically active 2-substituted-propyl ether and a liquid crystal composition
07/16/1991US5032313 Trifluorobenzene derivative and liquid crystal composition containing the same
07/16/1991US5032312 Liquid crystals
07/16/1991US5032009 Polarized light exposure
07/11/1991DE4100237A1 Electro-optical LC system
07/11/1991DE4000471A1 Electro-optical LC system
07/09/1991US5030703 Liquid crystal polycondensates with improved heat stability, a process for their preparation and their use for the production of shaped articles, films, fibres and filaments
07/09/1991US5030533 Photoconductive imaging members with liquid crystalline thermotropic polymers
07/09/1991US5030384 Liquid crystal composition
07/09/1991US5030383 Electrooptical display element
07/09/1991US5030382 Liquid crystals
07/03/1991EP0435676A2 Liquid crystal display device for displaying multiple or full colors
07/03/1991EP0435632A2 Phenylpyrimidine derivatives, process for preparing the same, liquid crystal compositions containing said derivatives as active ingredient, and liquid crystal elements using such compositions
07/03/1991EP0435350A2 Polymeric liquid-crystalline compound, liquid-crystal composition containing it, and liquid-crystal device
07/03/1991EP0435240A2 Liquid crystal compound
07/03/1991EP0435106A2 Liquid crystal compound, liquid crystal composite including the compound and liquid crystal device utilizing the composite
07/03/1991EP0434812A1 Reverse mode microdroplet liquid crystal light shutter displays
07/02/1991CA1285643C Optical switching devices
06/1991
06/27/1991WO1991009092A1 Light modulating material comprising polymer dispersed liquid crystals
06/27/1991WO1991009026A2 Phenyldioxanes
06/27/1991WO1991009016A2 Halophenyl substituted heterocyclic derivatives
06/27/1991WO1991009008A1 3'-fluorinated 4'-cyanosubstituted biphenyls
06/26/1991EP0434576A1 Thermotropic adducts from non-mesogenic species bound by hydrogen bonds and method for their preparation
06/26/1991EP0434366A2 Polymer dispersed liquid crystal display
06/26/1991EP0434297A2 Optically active aromatic compounds, preparation process thereof, and liquid crystal compositions and elements
06/26/1991EP0433836A2 Halophenyl substituted dioxanes
06/26/1991EP0433835A2 Dioxanylpyridines
06/26/1991EP0433826A2 Fluorophenylpyridines
06/26/1991CN1012956B Chiral liquid crystal compounds mixtures and use thereof
06/25/1991US5026879 Liquid crystals having low threshold voltage, and wide visual angle; used in electro-optical displays
06/25/1991US5026577 Magnetic recording medium lubricated with a cholesteric liquid crystal
06/25/1991US5026506 Chiral smectic liquid crystal composition
06/25/1991US5026505 Pleochroic dyes with trans=4=substituted cyclohexyl groups; improved display contrast stability
06/20/1991DE4000534A1 New 1,4-di-substd. 2,6-di:fluoro:benzene derivs. - used in components of liq. crystal media as dielectric giving good stability to UV and temp.
06/19/1991EP0433188A1 Possibly thermotropic polymolecular associations based on hydrogen bonded monomers, process for their preparation and monomers for carrying out this process
06/19/1991EP0432780A1 Liquid crystal composition and liquid crystal display using said composition
06/19/1991EP0432735A2 Liquid crystal coupled dichroic dyes
06/18/1991US5024926 Heat, light, weather resistance; for optical recording media, filters, liquid crystal displays
06/18/1991US5024850 Method of manufacturing a polarization filter and a polarization filter so obtained
06/13/1991DE4038767A1 Electro-optical LC system
06/13/1991DE4000535A1 1,4-Di:substd. 2,6-di:fluoro-benzene cpds. - useful as components of liq. crystal media
06/12/1991EP0431934A2 Mixtures of pyramidal columnar liquid crystals and procedure for their preparation
06/12/1991EP0431929A2 Carboxylate compounds, liquid crystal compositions and liquid crystal elements containing said compounds and method of optical modulation using said elements
06/12/1991EP0431466A2 Cyclic organosiloxanes with non-linear optical properties
06/12/1991EP0431402A2 Di- and trifluormethoxy compounds and their use as components of a liquid crystal medium
06/11/1991US5023013 Liquid crystal electro-optical device and manufacturing method therefor
06/07/1991WO1991008184A2 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media
06/07/1991CA2046590A1 1,4-disubstituted 2,6-difluorobenzene compounds, and a liquid crystalline medium
06/07/1991CA2031706A1 Mixtures of pyramidal columnar liquid crystals and procedure for their preparation
06/06/1991DE4037154A1 New di- or tri-fluoro:methoxyphenyl ester cpds.
06/06/1991DE3939697A1 Ferroelectric liq. crystalline mixts. - contg. complex ligand for ions are used in electro=optical components
06/05/1991EP0430205A2 Liquid cristal display device
06/05/1991EP0429662A1 Liquid crystal composition and liquid crystal element
06/05/1991EP0429607A1 Electro-optical liquid crystal system
06/05/1991EP0429574A1 Chlorobenzene derivatives
06/05/1991EP0429558A1 Diphenylylethanes and liquid crystalline phase.
06/05/1991CN1051926A Electrooptic liquid crystal system
06/04/1991US5021191 Ferroelectricity display elements; extremely small redution in crystal temperature region
06/04/1991US5021190 Ferroelectric liquid crystal composition
06/04/1991US5021189 Liquid crystal composition
06/04/1991US5021188 Polymer dispersed liquid crystal films formed by electron beam curing
06/02/1991WO1991008272A1 Use of complex ligands for ions in ferroelectric liquid crystal mixtures
06/02/1991CA2069936A1 Complex ligands for ions in ferroelectric liquidcrystal mixtures
05/1991
05/29/1991EP0428720A1 Optically active compounds and liquid crystal phase.
05/29/1991EP0428666A1 Fluoro-chloro-benzene derivatives.
05/29/1991EP0428665A1 Fluorophenyl pyrimidines.
05/29/1991DE3939049A1 Polymer compsns. with liq. crystal phases - have mesogenic gps. contg. cross-polarising 2,3-di:fluoro-1,4-phenylene gps. and opt. linked via spacer gps.
05/28/1991US5018840 Image display device having a photosetting binder
05/22/1991EP0427957A2 Alkinyl-substituted liquid crystals
05/22/1991EP0427837A1 Ring compounds
05/22/1991EP0427829A1 Trifluorotoluol compounds and liquid crystalline medium
05/21/1991US5017304 Polyesters
05/21/1991US5016985 Infrared filter using cholesteric liquids
05/16/1991WO1991006889A1 Light control devices with liquid crystals
05/16/1991WO1991006613A1 Temperature compensation of liquid-crystal parameters
05/16/1991WO1991006522A2 Phenylcyclohexanes and liquid crystalline media
05/16/1991DE3937416A1 Liquid crystal mixt. contg. solvent - to reduce switching time by reducing viscosity
05/15/1991EP0427195A2 A ferroelectric liquid crystal composition
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