Patents for C09K 19 - Liquid crystal materials (21,026)
12/2002
12/18/2002CN1096457C Optically active tolane derivatives
12/17/2002US6495220 Disubstituted phenanthrenes and their use in liquid-crystal mixtures
12/17/2002US6495219 Liquid crystal composition and liquid crystal display device
12/17/2002US6495218 Relatively low threshold voltage and a short response time; in-plane switching mode (ips) causing no burning; benzonitrile derivative and a dicyclohexane substituted with a difluorovinyl group
12/17/2002US6495217 Chiral compounds
12/17/2002US6495066 Dopants for improving the thermal and UV stability of high birefringence liquid crystals
12/12/2002WO2002099010A1 Liquid crystalline medium
12/12/2002WO2002099009A1 Liquid crystal composition and reflective type liquid crystal display
12/12/2002WO2002098832A1 Cf2o-bridged, axially substituted cyclohexane derivatives.
12/12/2002US20020187282 Liquid crystalline mixtures and polymers and to their use in optical and electrooptical devices like liquid crystal displays or projection systems, patterned films and optical elements like polarizers, retardation films, etc.
12/12/2002US20020187281 Possess a helical twist power substantially independent of temperature. naphthalene substituted dioxolane derivatives, especially (4R,5R)-2,2-dimethyl-a,a,a',a'-tetrakis(6-(benzyl-oxy)naphth-2-yl)-1,3 -dioxolane-4,5-dimethanol.
12/12/2002DE10225048A1 New stable, liquid crystalline fluorinated phenanthrene or 9,10-dihydrophenathrene derivatives having a high clear point, useful in liquid crystalline media for electrooptical displays
12/12/2002DE10219542A1 New stable, difluoromethyleneoxy-bridged, axially substituted cyclohexane derivatives, useful in liquid crystalline media for optical or electrooptical displays
12/12/2002DE10205367A1 Verbindung mit Phenylacetylenstruktur, Flüssigkristallzusammensetzung, Polymer, optisch anisotropes Produkt, optisches oder Flüssigkristall-Element, Dibenzothiophenverbindung, Zwischenprodukt und Verfahren zum Herstellen derselben Compound with Phenylacetylenstruktur, liquid crystal composition, Polymer, optically anisotropic product, or the liquid crystal optical element, Dibenzothiophenverbindung, intermediate and process for producing same
12/11/2002EP1263916A2 Liquid crystalline polymers
12/11/2002CN1096051C Exciting method for picture element of LCD screen
12/10/2002US6493055 Homeo-tropically-oriented nematic liquid crystal material
12/10/2002US6491990 Polymerizable liquid crystal compositions; increase the clearing point of the composition whereas the tilt angle remains substantially the same;
12/10/2002US6491989 Fluorinated naphthalene derivatives and their use in liquid crystal mixtures
12/10/2002US6491847 Discotic liquid crystal and organic electroluminescence device using same
12/05/2002WO2002097005A1 Liquid crystal mixtures
12/05/2002US20020182345 Liquid crystalline medium and liquid crystal display
12/05/2002US20020180925 Liquid crystal device and organic electroluminescence device using the same
12/05/2002US20020180912 Application and method for broadening bandwidth of cholesteric LC
12/05/2002DE10218976A1 Liquid crystal medium used as dielectric in active matrix electrooptical displays contains alkenylcyclohexyl-alkoxy-difluorobenzene and alkenylcyclohexyl-cyclohexane or -cyclohexylbenzene compounds
12/05/2002DE10217273A1 Electro-optical light control element, for use in display systems e.g. television and computer screens, is operated at a temperature at which the mesogenic control medium is in the isotropic phase
12/04/2002EP1261679A1 Supertwisted nematic liquid crystal displays, liquid crystal compositions and compounds
12/04/2002CN1383025A Electrically controlled variable-wavelength filter and its prepearing process
12/04/2002CN1095551C Method for preparing negative optical compensating film for liquid crystal display
12/03/2002US6488866 Chromonic material in zwitterionic form, 4-((4-((4-carboxylphenyl)amino)-6-(4-(dimethylamino) pyridinium-1-yl)-1,3,5-triazin-2-yl)amino)benzoate
11/2002
11/28/2002WO2002094905A1 Cured thermosetting resin product
11/28/2002WO2002094805A1 Chiral compounds
11/28/2002US20020177727 Novel mesogens
11/28/2002DE10125707A1 Novel nematic liquid crystal mixtures useful for the production of twisted nematic and supertwisted nematic liquid crystal displays
11/28/2002DE10125706A1 Liquid crystalline medium for electro-optical purposes comprises mixture of polar compounds containing at least one linear substituted aryl-cyclohexyl compound
11/27/2002EP1259503A1 Producing liquid crystals with cf2o bond
11/27/2002EP0985008B1 Lyotropic mesomorphic media and optical compensating film using the same
11/27/2002EP0951520B1 Flat element with a cholesteric liquid crystal structure
11/27/2002CN1381438A Optical active compound and liquid crystal composition containing it
11/27/2002CN1095206C Use of organic material as charge transfer medium and electrochemical cell containing the material
11/26/2002US6486338 Preparation of organosilicon compounds containing α, β-unsaturated carboxylic acids
11/26/2002US6485799 Aniline derivatives, liquid-crystal composition containing the same, and liquid-crystal display element
11/26/2002US6485798 Optical compensatory sheet comprising substrate and optically anisotropic layer
11/26/2002US6485797 5-Arylindane derivatives and ferroelectric liquid crystal mixture containing same
11/21/2002WO2002093244A2 Electro-optic light control element, display and medium
11/21/2002WO2002093243A1 Bulk alignment of lyotropic chromonic liquid crystals
11/21/2002WO2002093213A1 Liquid crystalline compound and phase difference film using the same
11/21/2002US20020171793 Achromatic compound retarder
11/20/2002EP1257613A2 Near infrared sensitive photopolymerizable composition
11/20/2002EP0927155B1 Metal-containing side chain liquid crystal polymers
11/20/2002CN1380375A Polymeric liquid crystal compound and optical film
11/19/2002US6482988 Exhibits high anisotropic factor of dipole moment; self-assembling, thin films
11/19/2002US6482479 Active matrix displays having high contrast values
11/19/2002US6482478 Fluorinated derivatives of phenanthrene and the utilization thereof in liquid crystal mixtures
11/14/2002WO2002090447A1 Dichroic mixture
11/14/2002WO2002068562A9 Functionalized cubic liquid crystalline phase materials and methods for their preparation and use
11/14/2002US20020168511 Multilayer optics
11/14/2002US20020167632 Lyotropic chromonic liquid crystals
11/14/2002US20020166994 Substituted benzene derivative, liquid crystal composition, and liquid crystal display element
11/14/2002US20020166993 Quality, efficiency
11/13/2002EP1256617A1 Polymerizable liquid crystal material
11/13/2002EP1256602A1 Dichroic mixture
11/13/2002EP1255799A1 Liquid crystalline phenol esters
11/13/2002EP1255798A2 Polar diphenyldiacetylene liquid crystals
11/13/2002EP0938528B1 Liquid crystal composition and alignment layer
11/07/2002WO2002059553A8 Novel methods and blends for controlling rehology and transition temperature of liquid crystals
11/07/2002US20020163487 Liquid crystal display
11/06/2002EP1254107A1 Benzoic acid esters, and liquid-crystalline medium
11/06/2002CN1378575A Liquid-crystalline polymer composition
11/06/2002CN1377762A Method for producing super high molecular weight polyvinyl products by screw extruder
11/06/2002CN1093870C Supertwist liquid crystal display
11/05/2002US6475595 Electrooptics
11/05/2002US6475574 Direactive mesogenic compounds and intermediates
10/2002
10/31/2002WO2002086609A1 Liquid crystal device exhibiting optical properties which are changeable after assembly
10/31/2002US20020161153 Polarizable photoactive and electroactive polymers and light emitting devices
10/31/2002US20020158228 Contains a liquid crystalline compound and a liquid crystal orientation state-regulating agent for regulating the orientation state of liquid crystalline compound by gelling
10/31/2002US20020158227 Electrooptical liquid crystal system
10/31/2002US20020158226 Functionalized cubic liquid crystalline phase materials and methods for their preparation and use
10/31/2002DE10218287A1 Liquid crystal compositions for displays with optically compensated bend mode contains compounds with linked 1,4-phenylene and 4,4'-biphenylene units and compounds with linked 1,4-phenylene units
10/31/2002DE10217771A1 New biscyclohexyl-1,3-dioxan compounds with various terminal substituent groups, used as components of liquid crystal media, e.g. for active matrix displays in monitors, digital cameras and mobile telephones
10/31/2002DE10209139A1 Tricyclic compounds useful as components in liquid crystal media are new
10/31/2002CA2445082A1 Liquid crystal device exhibiting optical properties which are changeable after assembly
10/30/2002EP1252131A1 Optically active materials
10/30/2002CN1377399A Topologically structured polymer coating
10/30/2002CN1376827A Low absorbant wet paper and production thereof
10/29/2002US6473143 Broadband switchable polarizer
10/24/2002WO2002084695A2 Liquid crystal shutter laminated on display panel of display device
10/24/2002WO2002084387A1 Photoinductive switching liquid crystal device
10/24/2002US20020155146 Liquid crystalline polymers
10/24/2002US20020153509 Functionalized cubic liquid crystalline phase materials and methods for their preparation and use
10/24/2002US20020153508 Cubic liquid crystalline compositions and methods for their preparation
10/24/2002US20020153111 Low hygroscopic paper and method of producing the same
10/24/2002DE10119684A1 Use of polymers containing monomers with azobenzene-based dye units and monomers with mesogenic molecules for the production of orientation layers, e.g. for liquid crystal displays
10/23/2002EP1251160A1 Liquid-crystalline medium
10/23/2002EP1250117A1 Cosmetic composition structured with a thermotropic liquid crystal polymer
10/23/2002EP0955348B1 Liquid-crystal composition and polymeric liquid crystal obtained by polymerizing the same
10/23/2002CN1375538A Prepn of side-chain liquid crystal polyimide film
10/23/2002CN1375537A Macromolecular reaction process of preparing side-chain liquid crystal polyimide film
10/22/2002US6469768 Bistable twisted nematic mode reflective liquid crystal display
10/22/2002US6468608 Vinylene and ethyl compounds