Patents for C09K 19 - Liquid crystal materials (21,026)
03/2002
03/14/2002US20020031619 Electro-optical liquid crystal display
03/14/2002US20020030654 Liquid crystal display
03/14/2002US20020030180 Liquid-crystalline medium
03/14/2002US20020030179 Having negative and large dielectric anisotropy value and small optical anisotropy value at the same time
03/14/2002DE10140419A1 Flüssigkristallines Medium mit niedriger Doppelbrechung Liquid-crystalline medium having low birefringence
03/14/2002DE10128017A1 Liquid crystal media for use e.g. in displays for out-of-door, automobile or avionic applications contain a fluoro-phenyl compound together with other specified liquid crystal compounds
03/13/2002EP0998541B1 Chip card with a bistable liquid crystal display
03/13/2002CN1340041A 液晶化合物 Liquid crystal compound
03/13/2002CN1339554A Liquid crystal orientational agent and super torsional nematic liquid crystal display element
03/12/2002US6355315 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same
03/12/2002US6355314 Low profile, lightweight and low power consumption
03/07/2002WO2002018515A1 Liquid crystal mixture
03/07/2002WO2002018514A1 Partially fluorinated liquid crystal material
03/07/2002US20020028306 Liquid crystals; chemical and heat resistance; photostability
03/07/2002US20020028305 Liquid crystal material and liquid crystal display
03/07/2002US20020027217 Liquid-crystalline medium
03/07/2002DE10137701A1 Liquid crystal compositions useful in electrooptic displays include 5-(4-(4-alkenylcyclohexyl)cyclohexyl)-1,2,3-trifluorobenzene derivatives
03/06/2002EP1184442A1 Liquid crystal mixture
03/06/2002EP1184441A1 Liquid crystal display apparatus
03/06/2002EP0913449B1 Anti-ferroelectric liquid crystal cell
03/06/2002EP0893421B1 Alkenyl compounds, liquid crystal compositions, and liquid crystal display devices
02/2002
02/28/2002WO2002016463A2 Polymers with high internal free volume
02/28/2002US20020025390 Mixture of polar compounds having positive dielectric anisotropy, good chemical and thermal stability and good stability to electric fields and electromagnetic radiation
02/28/2002DE10136751A1 Novel tetra- and penta-nuclear compounds with a phenylene group linked via a difluoromethylene ether group are useful in displays for out-of-doors, automobile or avionic applications
02/27/2002EP1182186A2 Difluoromethyl ether derivative and process for producing the same
02/26/2002US6351301 Smectic liquid crystal which enables grayscale display, and liquid crystal using the same
02/26/2002US6351298 Reflective type liquid crystal display device
02/21/2002WO2002014318A1 Liquid crystalline 3,4:9,10-perylenetetracarboxylic acid diimides
02/21/2002US20020022734 Reacting chlorotri-ar(alk)ylsilane compound with tetrafluoroethane derivative to form Polyfluoroalkylsilane compound in presence of base
02/21/2002US20020022093 Multilayer reflective film or pigment with viewing angle dependent reflection characteristics
02/21/2002US20020020829 Pre-aligned platelets or flakes of appropriate thickness and size in appropriate host fluids producing ink which can be applied at room temperature without need for alignment
02/21/2002DE10135680A1 Liquid crystal medium with positive dielectric anisotropy, especially for multibottle systems or electrooptical displays, combines high specific resistance with low threshold voltage and low birefringence
02/21/2002DE10134299A1 New stable mesogenic tetrafluoroethylene-bridged dioxane derivatives, useful in liquid crystal displays, especially of the TFT or STN type
02/21/2002DE10117224A1 Stabilization of halogen-containing compounds, especially liquid crystal compounds, by addition of a 4-substituted 2,6-di-tertiary butyl-phenol, itself having liquid crystal-type units
02/21/2002DE10039232A1 Flüssigkristalline Perylen-3,4:9,10-tetracarbonsäurediimide Liquid crystalline perylene-3,4: 9,10-tetracarboxylic diimides
02/20/2002EP0644439B1 Liquid crystal polymer film and process for producing it
02/20/2002CN1336413A Liquid crystal display element
02/19/2002US6348961 Liquid crystal composition and liquid crystal light modulating device
02/19/2002US6348245 Polymide photo alignment film from 3,3′,4,4′-benzophenone tetracarboxylic dianhydride and ortho-substituted aromatic diamines for liquid crystal displays
02/19/2002US6348244 Liquid-crystal compounds having large negative value of permittivity anisotropy, liquid-crystal composition, and liquid-crystal display element
02/14/2002WO2002012415A1 Electrooptical liquid crystal display
02/14/2002US20020018966 Thin film coating apparatus and method, and method for producing liquid crystal display device
02/14/2002US20020018863 Liquid crystal composition, color filter and optical film
02/14/2002US20020018171 Liquid crystal device
02/14/2002US20020017634 Containing dielectric positive compound(s)
02/14/2002US20020017633 Reflective coatings, decoration
02/14/2002US20020017632 Electrolyte and secondary cell
02/13/2002EP1179580A2 Liquid crystal composition, production thereof, and liquid crystal element made therewith
02/13/2002EP1179522A1 Liquid crystalline compound having a difluoropropyleneoxy group as bonding group, liquid crystal composition and liquid crystal display element
02/07/2002WO2001060946A3 Polar diphenyldiacetylene liquid crystals
02/07/2002US20020015806 Liquid crystal display device having thin glass substrate on which protective layer formed and method of making the same
02/07/2002US20020015805 Fluoro-substituted alkenyl compounds, liquid crystal compositions, and liquid crystal display elements
02/07/2002US20020015804 Liquid-crystal compounds, liquid-crystal composition containing the same, and liquid-crystal display element containing the same
02/07/2002US20020015132 Liquid crystal display
02/07/2002US20020015131 Liquid crystal composition, device and apparatus
02/07/2002US20020014613 Liquid-crystalline medium
02/05/2002US6344247 Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element
02/05/2002US6344154 Reactive liquid crystal compounds
02/05/2002US6344153 Helical discotic switch
01/2002
01/31/2002WO2002008828A2 Composite nonlinear optical film, method of producing the same and applications of the same
01/31/2002WO2002008356A2 Colorless and low viscosity compounds for low voltage liquid crystal operation
01/31/2002US20020012766 Coloring media having improved brightness and color characteristics
01/31/2002US20020012081 Continuously viewable, DC field-balanced, reflective,ferroelectric liquid crystal image generator
01/31/2002US20020011588 Liquid crystalline compounds
01/31/2002DE10123986A1 Liquid crystalline medium with positive dielectric anisotropy, useful for electro-optical purposes, contains at least one substituted cyclohexene compound
01/31/2002DE10035651A1 New dialkyne compounds, used in liquid crystal media, especially in reflective, transflective and electrooptical displays, are cyclohexane compounds or heterocyclic analogues with lateral dialkyne substituent(s)
01/31/2002DE10034815A1 New cyclohexylphenylethane compounds useful as components of liquid crystal media
01/30/2002EP1176185A1 Liquid crystal display
01/30/2002EP1176184A2 Mesomorphic compound, polymeric mesomorphic compound, and electrolyte and secondary battery including same
01/30/2002EP1175639A1 Electro-optical glazing structures having scattering and transparent modes of operation
01/30/2002EP0946513B1 Derivatives of 6-fluorophenanthridine for liquid crystal mixtures
01/29/2002US6342934 Polarizer lighting device and liquid crystal display
01/29/2002US6342279 Liquid crystal anisotropic medium
01/24/2002WO2002006265A1 Chiral compounds iii
01/24/2002WO2002006196A1 Chiral compounds i
01/24/2002WO2002006195A1 Chiral compounds ii
01/24/2002DE10124257A1 Liquid crystal composition having positive dielectric anisotropy and low double refraction for use in electro-optical displays, contains 5-(4-alkylcyclohexyl)-2-(3,4,5-trifluorophenyl)-dioxan derivative
01/23/2002EP1175129A1 Luminescence device
01/23/2002EP1174412A1 Polymerizable composition showing liquid-crystal phase and optically anisotropic object made with the same
01/23/2002EP1174405A2 Dialkyne compounds
01/23/2002EP1173412A1 Dopants for liquid-crystal devices
01/17/2002WO2002005024A1 Liquid crystal orientating agent and liquid crystal display element using the same
01/17/2002US20020006480 Liquid crystal display element
01/17/2002US20020006479 Phenylacetylene compound, liquid crystal composition, polymer, optically anisotropic product, and liquid crystal or optical element
01/17/2002US20020005505 Chiral compounds
01/17/2002DE10032632A1 Polyfluoralkylsilane Polyfluoralkylsilane
01/17/2002DE10032346A1 Liquid crystal medium, useful for electro-optical purposes, is based on a mixture of polar compounds having positive dielectric anisotropy and contains at least one aryl-cyclohexyl compound
01/16/2002EP1172429A2 Liquid crystal composition and liquid crystal device and liquid crystal apparatus including the composition
01/15/2002USRE37509 Smectic liquid crystal devices
01/15/2002US6339114 Liquid crystalline (meth)acrylate compounds, composition and method
01/15/2002US6338902 Resin sealed semiconductor with substrate encapsulation
01/15/2002US6338897 Paint for automobiles with binders and pigments
01/15/2002US6338883 Enantiomorphs radiation transparent films
01/15/2002US6338808 Liquid crystal composition comprising liquid crystal molecules and alignment promoter
01/15/2002US6338807 Cholesteric liquid crystal (CLC)-based coloring media for producing color effects having improved brightness and color characteristics
01/10/2002WO2002002716A2 Cubic liquid crystalline compositions and methods for their preparation
01/10/2002WO2001046336A3 Liquid crystalline medium
01/10/2002US20020004108 Active matrix liquid crystal display device and liquid crystal material
01/10/2002US20020003600 Liquid crystal composition and liquid crystal light modulating device
01/10/2002US20020003226 A mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compound containing halogen substituted benzene ring