Patents for C09K 19 - Liquid crystal materials (21,026)
02/1998
02/11/1998CN1172824A Torsional nematic film and its preparation method and displaying device comtaining said film
02/10/1998US5716545 Antiferroelectric liquid crystal composition
02/10/1998US5716544 Phenyl ester compound and liquid crystal composition containing the same
02/10/1998US5716543 Good temperature behavior of nematic phase; solubility
02/10/1998US5716542 Exhibits antiferroelectric liquid crystal phase and compatible with known liquid crysal compounds; optically active carboxylic acid ester compound, useful for liquid crystal electrooptical devices
02/05/1998WO1998004652A1 Liquid crystal composition and alignment layer
02/05/1998WO1998004651A1 Combination of optical elements
02/05/1998WO1998004650A1 Switchable volume hologram materials and devices
02/05/1998WO1998004544A1 New liquid crystal compounds and their precursors
02/05/1998CA2261776A1 Liquid crystal composition and alignment layer
02/04/1998EP0821719A1 Liquid crystal compounds having a chiral fluorinated terminal portion
02/04/1998EP0720753B1 Coloured material
02/04/1998CN1172496A Electro-optic liquid crystal display
02/03/1998US5714088 Liquid crystalline compound having branched alkyl group at its side chain and liquid crystal composition containing the same
02/03/1998US5714087 Supertwist liquid-crystal display
02/03/1998CA1339649C Liquid crystal composition for twist nematic mode
01/1998
01/29/1998WO1998003610A1 Liquid crystalline saccharose derivatives
01/29/1998DE19630068A1 Neue flüssigkristalline Verbindungen und deren Vorprodukte New liquid crystalline compounds and their precursors
01/28/1998EP0821260A1 Polymer-dispersed liquid-crystal electrooptical device and method of production thereof
01/28/1998EP0821051A1 Liquid crystal composition and liquid crystal display element
01/28/1998EP0821050A1 Optically active compound and antiferroelectric liquid crystal composition containing the same
01/28/1998EP0821049A1 Cyclopentyl compounds
01/28/1998EP0821048A2 Liquid crystal device
01/28/1998EP0820983A1 Acrylonitrile derivatives, liquid-crystal composition, and liquid-crystal display device
01/28/1998EP0820976A1 Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device
01/28/1998EP0592669B1 Optically active trifluorolactic acid derivative and liquid crystal composition
01/22/1998DE19628700A1 Flüssigkristalline Zuckerderivate Liquid crystalline sugar derivatives
01/21/1998EP0819698A2 Fluoroalkyl uronic acid glycosides and the corresponding 6(3)-lactones, preparation and use
01/21/1998EP0819685A1 Phenyldioxane derivatives, liquid crystal compositions, and liquid crystal display elements
01/21/1998EP0819305A1 Liquid crystal optical storage medium with gray scale
01/21/1998EP0819154A1 Polysiloxanes
01/21/1998CN1171109A Novel quinuclidine derivatives and medicinal composition thereof
01/21/1998CN1037108C Thermotropic liquid crystal polymer toughening epoxy resin and preparation method
01/20/1998US5710433 Liquid crystal composition, liquid crystal device and liquid crystal apparatus
01/20/1998US5710237 Liquid crystalline polyester resin
01/20/1998US5709911 Polymerizable compound and liquid crystal display device using the same
01/20/1998US5709820 Alkenyl cyclohexane derivatives and liquid crystal compositions
01/20/1998US5709819 Liquid crystal composition, liquid crystal device and liquid crystal apparatus
01/20/1998US5709818 Liquid crystal composition, liquid crystal device and liquid crystal apparatus
01/20/1998US5709817 Chiral compounds containing a tetrahydropyran ring
01/15/1998WO1998001789A1 Liquid crystal alignment film, method of manufacturing the film, liquid crystal display using the film and method, and method of manufacturing the liquid crystal display
01/15/1998WO1998001530A1 Liquid crystal composition
01/15/1998WO1998001511A1 Reaction procucts of lyotropic liquid crystal salt complexes
01/14/1998EP0817821A1 Chiral compounds
01/14/1998EP0817773A2 Pyrimidine compounds
01/13/1998US5707957 Liquid crystal compositions
01/13/1998US5707566 Process for preparing high performance polarizer films
01/13/1998US5707547 Trans-olefin compounds, method for production thereof, liquid crystal composition containing the same as active ingredient, and liquid crystal element using said composition
01/13/1998US5707545 Chiral oxiranylmethyl ethers, and their use as dopants in liquid-crystal mixtures
01/13/1998US5707544 Chromophore-containing photo cross-linkable liquid crystals
01/13/1998US5707543 Reversible display medium
01/08/1998WO1998000475A1 Liquid crystal display device
01/08/1998WO1998000428A1 Chiral dopants
01/08/1998DE19721512A1 Liquid crystalline composition containing sila-cyclohexyl compounds to reduce operating voltage
01/08/1998DE19627229A1 Liquid crystal material for LC cells
01/08/1998DE19625100A1 In-plane switching liquid crystal display with high voltage holding ratio
01/07/1998EP0816505A1 Structural proteins from artificial genes
01/07/1998EP0816332A1 Propiolonitrile derivatives and liquid crystal compositions comprising the same
01/07/1998EP0815182A1 Electro-optical liquid crystal display
01/07/1998EP0815094A1 Liquid crystal compounds
01/07/1998EP0539409B1 Polyester based liquid-crystal display device
01/07/1998CN1169545A Liquid crystal display device and fabrication method thereof
01/06/1998US5705095 Partially fluorinated benzene derivatives
01/06/1998US5705094 Liquid crystal esters for liquid crystal displays
01/06/1998US5705093 Liquid crystal media with optical activity for decorations
01/02/1998DE19625441A1 Chirale Dotierstoffe für flüssigkristalline Medien Chiral dopants for liquid crystalline media
01/02/1998DE19624590A1 Stable liquid crystalline or mesogenic 2,2-di:fluoro-1,3-dioxan-5-yl compounds and intermediate 2-thio compounds
12/1997
12/31/1997WO1997049753A1 Liquid crystalline poly(ester-amides)
12/31/1997WO1997049694A1 Chiral doping agents for liquid crystalline media
12/31/1997WO1997049671A1 Metal-containing side chain liquid crystal polymers
12/31/1997CN1169138A Novel liquid crystal compound bearing dienyl moiety and liquid crystal composition
12/30/1997US5703202 Good peeling strength, tensile strength, positive thermal expansion coefficient, resistance to folding
12/30/1997US5702642 Polymeric compounds, and liquid crystal element using the same
12/30/1997US5702641 Electrical and chemical stability
12/30/1997US5702640 Containing nematic liquid crystal mixture including at least three diphenylacetylene compounds
12/30/1997US5702639 Macrocyclic structure
12/30/1997US5702638 Phenanthridine derivatives, and their use in liquid-crystalline mixtures
12/30/1997US5702637 Display devices with fast response times
12/30/1997US5702636 Prepared from functionally substituted silanes, a metal alkoxide, a liquid crystal; low operation voltage
12/29/1997EP0814368A2 Electro-optical material
12/29/1997EP0814142A2 Liquid crystal device and liquid crystal apparatus
12/29/1997EP0814132A2 Interference pigments for effect lacquers, lacquers containing them and lacquerings obtained therewith
12/29/1997EP0758362B1 Coating compositions whose perceived colour depends on the angle from which they are viewed and the use of such compositions in base paints for multiple layer paint coatings
12/29/1997EP0750656B1 Chiral compounds
12/24/1997CN1168378A Imidazothiazoles
12/24/1997CN1168365A Cyclopentyl derivatives
12/23/1997US5700393 Liquid crystalline compounds
12/23/1997US5700392 Antiferroelectric liquid crystal composition
12/23/1997US5700296 Azo compound and a polarizing film containing the same
12/20/1997CA2208998A1 Uronic glycoside fluoroalkyl acids and associated lactones-6(3), prepar ation and uses therefor
12/18/1997WO1997047996A1 Laminates of liquid crystalline polymeric films for polarizer applications
12/18/1997WO1997047576A1 Fluorinated alkyl ether compounds, liquid-crystal compositions, and liquid-crystal display devices
12/17/1997EP0813096A1 Liquid crystal display device, switching device, or image processing device
12/16/1997US5698137 Optically active dihydropyran derivative, and liquid crystal composition, liquid crystal device, and racemic mixture comprising the derivative
12/16/1997US5698136 Low temperature compatibility, chemical stability
12/16/1997US5698135 Polyamic acid obtained from reaction of dianhydride of specified tetracarboxylic acid and of cyclobutanetetracarboxylic acid with diamine, or polymer obtained by imidizing said polyamic acid
12/16/1997US5698134 Liquid crystal mixture dispersed as microdroplets; active matrix having nonlinear addressing elements integrated with an image point
12/11/1997DE19723438A1 Smectic liquid crystal compositions giving improved displays over a wide temperature range
12/11/1997DE19720529A1 Low viscosity nematic liquid crystal composition with specified clear point
12/10/1997EP0811870A2 A self-compensated twisted nematic mode for reflective light valves