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)
06/1998
06/16/1998US5766507 Liquid-crystal resin composition for molding applications having improved fluidity and satisfactory thermal stability
06/10/1998EP0846670A1 Cyclohexane derivatives and liquid-crystal compositions
06/10/1998EP0717735B1 Tris-(cyanato)-s-triazines and anisotropic duroplastic networks obtained with them
06/10/1998DE19650635A1 Liquid crystalline medium with very high specific resistance and low switching voltage
06/10/1998DE19650634A1 Electro-optical liquid crystal display containing medium with low threshold voltage and short switching time
06/10/1998CN1184462A Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device
06/10/1998CN1184103A Cyclopentyl derivatives
06/09/1998US5762828 Liquid crystal medium
06/09/1998US5762826 Liquid crystal composition and a liquid crystal display element which contains it
06/09/1998US5762825 Liquid crystal mixture and liquid crystal device comprising the same
06/09/1998US5762824 Visual aids with quinophthalone pigments with dielectric anisotropy
06/09/1998US5762823 Switchable cholesteric filter and luminaire having such a filter
06/04/1998WO1998023583A1 Conjugated nitrile derivatives, liquid crystal compounds, and liquid crystal display elements
06/04/1998WO1998023580A1 Polymerizable oligomesogenes
06/04/1998WO1998023564A1 Fluorine-substituted benzene derivatives, liquid-crystal composition, and liquid-crystal display element
06/04/1998WO1998023563A1 Liquid crystal compounds exhibiting negative anisotropy of permittivity, liquid crystal compositions, and liquid crystal displays
06/04/1998WO1998023562A1 3,3'-difluorobiphenyl derivatives, liquid crystal compositions, and liquid crystal display elements
06/04/1998WO1998023561A1 Chlorobenzene derivatives, liquid-crystal composition, and liquid-crystal display elements
06/04/1998DE19750957A1 Super twist liquid crystal display with good contrast and angle dependence and very short switching time
06/04/1998CA2272103A1 Polymerizable oligomesogenes
06/03/1998CN1183403A Liquid crystal compound contg. cyclohexyl and perfluoro benzene ring and preparing process thereof
06/02/1998US5760863 DHF ferroelectric liquid crystalline display, switching or image processing apparatus
06/02/1998US5760859 Retardation layer having a dispersion adapted to the active liquid-crystalline cell
06/02/1998US5759443 Cyclopentyl derivatives
05/1998
05/28/1998DE19649056A1 Polymerisierbare Oligomesogene Polymerizable Oligomesogene
05/28/1998DE19648171A1 Di:fluoro-phenyl-pyrimidyl-pyridine compounds used in liquid crystal mixtures
05/28/1998DE19647991A1 Stable, liquid crystalline or mesogenic halo-vinyl ether with high nematogenicity
05/27/1998EP0844673A1 Photoelectric transfer device comprising a liquid crystal layer
05/27/1998EP0844295A1 Liquid crystal composition and liquid crystal display element
05/27/1998EP0844294A1 Racemic compound and anti-ferroelectric liquid crystal composition containing the compound
05/27/1998EP0844293A1 Bistable ferroelectric liquid crystal cell
05/27/1998EP0844248A2 Crosslinkable, photoactive silane derivatives
05/27/1998EP0844229A1 Polyhaloalkyl ether derivatives as well as liquid crystal compositions and liquid crystal display elements containing them
05/27/1998EP0708796B1 Process for preparing composites based on oriented mesogenic thermoset resins
05/26/1998US5755997 Exhibits chiral smectic c phase over broad temperature range and good stability
05/26/1998US5755995 Disazo dyes, trisazo dyes and anthraquinone dyes with liquid crystal polymers
05/26/1998US5755994 Large dielectric anisotropic
05/22/1998WO1998021172A1 Phenyl polyhaloalkyl ether derivatives, liquid-crystal composition containing the same, and liquid-crystal display element
05/20/1998EP0843197A2 Liquid crystal device, display apparatus using same and display method using same
05/20/1998EP0842238A1 Liquid crystalline medium
05/20/1998EP0842034A1 Coextrusion of liquid crystal polymers and thermoplastic polymers to form a container
05/20/1998CN1182085A Phenyldioxane derivatives, liquid crystal compositions, and liquid crystal display elements
05/19/1998US5753142 Mixtures of fluorinated compounds having three carbo groups(saturated and/or unsaturated), for displays with high information content
05/19/1998US5753141 Chiral compounds
05/19/1998US5753139 High contrast distorted helix effect electro-optic devices and tight ferroelectric pitch ferroelectric pitch ferroelectric liquid crystal compositions useful therein
05/14/1998WO1998020090A1 Liquid crystal film structures with phase-retardation surface regions formed therein
05/14/1998WO1998020006A1 Fluoroalkylated dioxane derivatives, liquid crystal compositions, and liquid-crystal display elements
05/14/1998WO1998020004A1 2-(4-alkylphenyl)-5-alkylthiadiazoles
05/14/1998DE19748270A1 Herstellungsverfahren für eine Flüssigkristallzelle Manufacturing method of a liquid crystal cell
05/13/1998CN1181516A Self-compensated twisted nematic mode for reflective light valves
05/13/1998CN1181383A Silane derivatives incorporating photoreactive groups
05/12/1998US5751389 Containing dichroic dye
05/12/1998US5750213 Molecular orientation
05/12/1998US5750051 Reactive terphenyls
05/12/1998US5750050 Discotic compounds for use in liquid crystal mixtures
05/07/1998DE19746793A1 Liquid crystal display with short switching time etc.
05/07/1998DE19746289A1 Chiral dopants for liquid crystal media
05/07/1998DE19742315A1 New bis:alkenyl-bi:cyclohexane compounds
05/07/1998DE19704401C1 Trans-4-aminomethyl:phenyl-cyclohexanol derivative preparation
05/06/1998EP0839792A1 Process for the production of intermediate for liquid crystal compound
05/06/1998EP0839173A1 Ferroelectric liquid crystal mixture
05/06/1998EP0839172A1 Liquid-crystal display device, compensator layer and method of manufacturing a retardation foil
05/06/1998EP0804750A4 Liquid crystal composition and alignment layer
05/06/1998CN1180727A Method of aligning liquid crystals by using polymeric film and liquid crystal cell fabricated by the method
05/05/1998US5747175 LCP blends
05/05/1998US5746941 Liquid-crystalline medium
05/05/1998US5746940 Liquid crystalline material comprising terpenoids
05/05/1998US5746939 Liquid crystal device
05/05/1998US5746938 Electrooptical liquid crystal system
05/05/1998US5746934 Electro rheological fluid comprising lyotropic liquid crystalline polymer
04/1998
04/30/1998WO1998017741A1 Colored cholesteric liquid crystal polymers with optically variable properties
04/30/1998WO1998017664A1 Dioxane derivatives, liquid-crystal compositions containing the same, and liquid-crystal display devices made by using the same
04/30/1998CA2269321A1 Colored cholesteric liquid crystal polymers with optically variable properties
04/29/1998EP0837851A1 Fluorinated phenanthrene derivatives and their use in liquid crystal mixtures
04/29/1998EP0665836B1 Bifunctional intermediates for use in the manufacture of liquid crystals
04/28/1998US5745198 Light valves
04/28/1998US5744060 Mixture of polar compounds having positive dielectric anisotropy
04/28/1998US5744059 Having good alignment characteristic, a good drive characteristic and a high contrast ratio
04/28/1998US5744058 Dienes and liquid-crystalline media
04/28/1998US5744057 Polymerizable, chiral compounds, and use thereof
04/23/1998WO1998016937A1 Electrical insulation using liquid crystal thermoset epoxy resins
04/23/1998DE19643277A1 Eingefärbte cholesterische Flüssigkristallpolymere mit optisch variablen Eigenschaften Colored cholesteric liquid crystal polymers with optically variable properties
04/22/1998EP0837054A2 Compounds and their use as well as a process for the preparation of polymeric liquid crystals therefrom
04/22/1998EP0837045A1 Liquid crystalline compound having alkynyl group, and liquid crystal composition and liquid crystal display device therefrom
04/21/1998US5741770 Liquid crystal composition
04/21/1998US5741438 Optically active biphenyl derivative, process for preparation thereof, liquid crystal composition containing the same as an effective component, and liquid crystal element using the same
04/15/1998CN1179153A Liquid crystal compounds
04/14/1998US5739296 Method and materials for thermostable and lightfast dichroic light polarizers
04/14/1998US5738918 Useful for displaying
04/14/1998US5738804 Method of making a liquid crystal composite including a dye
04/09/1998WO1998014529A1 Chiral compounds with liquid crystalline nature and ferroelectric liquid crystal device adopting the same
04/09/1998WO1998014528A1 Flat element with a cholesteric liquid crystal structure
04/09/1998WO1998014442A1 Chiral compounds
04/09/1998WO1998014418A1 Liquid crystal compounds having negative permittivity, liquid crystal compositions, and liquid crystal display device
04/08/1998EP0834754A1 Circular-dichroism optical element, device therefor, and liquid crystal polymer
04/08/1998EP0834504A1 Conjugated organic compounds, process for the preparation, materials deriving therefrom, use in electronic, optoelectronic, nonlinear optical and electrooptical devices
04/08/1998EP0834491A1 Bisalkenyl bicyclohexane and liquid crystal medium
04/08/1998EP0834490A1 Compounds having alkyl-substituted alkenylene moiety and liquid crystal composition
04/08/1998EP0833876A1 Nematic liquid-crystal composition
04/08/1998CN1178550A Electro-optical liquid crystal display
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