Patents for C09K 19 - Liquid crystal materials (21,026)
11/1999
11/02/1999US5976409 Swallow-tail-shaped liquid crystal compound
11/02/1999US5976408 Acrylonitrile derivative, liquid crystal composition, and liquid crystal display device
11/02/1999US5976407 Electro-optical liquid-crystal display
11/02/1999US5976405 Ability to form discrete domains of liquid crystal surrounded by a polymer shell, also known as polymer encased liquid crystals, or pelcs.
11/02/1999US5976404 Having very short response times and good steepnesses and angle dependencies
11/02/1999US5976239 Three-dimensional crosslinking of oriented substances of liquid-crystalline structure having a chiral phase.
10/1999
10/28/1999WO1999054409A1 Fine particles covered by cholesteric liquid crystal
10/28/1999WO1999032576A9 Microphase stabilized ferroelectric liquid crystals
10/28/1999DE19833258C1 New nematic organosiloxanes used in the production of birefringent films
10/27/1999EP0952135A1 Naphthalene derivative and liquid crystal composition comprising the same
10/27/1999EP0951520A1 Flat element with a cholesteric liquid crystal structure
10/27/1999EP0847433B1 Liquid crystalline medium
10/27/1999EP0824522B1 1,8-difluorisoquinoline derivatives and the use thereof in liquid crystalline mixtures
10/27/1999EP0721602B1 Retardation layer having a dispersion adapted to the active liquid-crystalline cell
10/27/1999CN1232982A UV-ray-dimerized high molecular compound, liquid crystal aligning film using above high molecular compound and liquid crystal display element using above aligning film
10/26/1999US5972244 Increase the n-i point, decrease viscosity, and increase double refractive index of a liquid crystal composition without affecting threshold voltage
10/26/1999US5972243 For use in an active matrix-type liquid crystal display device in which each pixel is individually driven by thin film transistor or metal insulator metal
10/26/1999US5972242 Layer construction in a liquid crystal molecular arrangement, which comprises a mixed composition; one is antiferroelectric
10/26/1999US5972241 Liquid crystal compounds having a chiral fluorinated terminal portion
10/26/1999US5972240 Liquid crystal composite materials containing organic compounds enable the lowering of the drive voltage of liquid crystal display devices and of liquid crystal display devices of a polymer-dispersion type
10/21/1999WO1999052871A1 Liquid crystalline compound having piperidine ring, liquid crystal composition and liquid crystal display element
10/21/1999DE19909761A1 New optically inactive benzo(b)furan, benzo(1,2-b:4,5-b')difuran and benzo(1,2-b:5,4-b')difuran derivatives, used in liquid crystal media
10/21/1999DE19909760A1 New benzo(b)furan derivatives used as components of liquid crystal media for liquid crystal and electro-optical displays
10/21/1999DE19817069A1 Infrarotstrahlung reflektierende Farbmittel Infrared reflecting coloring agent
10/20/1999EP0950701A1 Colouring agents reflecting infrared radiation
10/20/1999EP0950651A1 Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements
10/20/1999CN1232442A Liquid-crystal alkenyltolan deriv., liquid-crystal composition, and liquid-crystal display element
10/19/1999US5969781 Homeotropic liquid crystal display with common electrodes parallel and positioned at both sides of pixel electrodes to improve viewing angle
10/19/1999US5969154 Liquid crystalline diketopyrrolopyrroles
10/19/1999US5968414 Graft polymers with high solubility
10/19/1999US5968413 Anti-ferroelectric liquid crystal compounds
10/19/1999US5968412 Liquid-crystalline medium
10/19/1999US5968411 Liquid crystal polymers
10/19/1999US5968410 Liquid crystal displays
10/14/1999DE19816268A1 Cholesterische Flüssigkristallpolymere mit erhöhter Wetterstabilität Cholesteric liquid crystal polymers with increased weather resistance
10/13/1999EP0949287A2 Weather-restistant cholesteric luiquid crystal polymers
10/13/1999EP0949232A1 Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition
10/13/1999EP0949231A1 Fluorine-substituted benzene derivatives, liquid-crystal composition, and liquid-crystal display element
10/13/1999CN1231655A Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element
10/13/1999CN1045601C Novel quinuclidine derivatives and medicinal composition thereof
10/12/1999US5965761 Photoactive silane derivatives for liquid crystals
10/12/1999US5965060 Electro-optical liquid crystal display
10/12/1999US5965059 Fluorine, pyrimidine derivative compound; high threshold voltage
10/12/1999CA1340786C Liquid crystal cell
10/07/1999WO1999050210A1 Vinylene and ethyl compounds
10/07/1999DE19814550A1 Vinylen- und Ethylverbindungen Vinylene and ethyl compounds
10/06/1999EP0947501A1 Conjugated nitrile derivatives, liquid crystal compounds, and liquid crystal display elements
10/06/1999EP0947495A1 Cyclohexane derivatives, liquid-crystal composition, and liquid-crystal display element
10/06/1999EP0946672A1 Liquid crystal materials
10/06/1999EP0946671A1 Liquid crystal film structures with phase-retardation surface regions formed therein
10/06/1999EP0946670A1 Colored cholesteric liquid crystal polymers with optically variable properties
10/06/1999EP0946513A1 Derivatives of 6-fluorophenanthridine for liquid crystal mixtures
10/06/1999EP0946477A1 Derivatives of 9,9-difluoro-9,10-dihydrophenanthrene for liquid crystal mixtures
10/06/1999EP0946476A1 5,7-difluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use thereof in liquid crystal mixtures
10/06/1999EP0946474A1 1,3-difluoronapthalene derivatives for liquid crystal mixtures
10/06/1999EP0946473A1 Fluorinated phenantrene derivatives for liquid crystal mixtures
10/06/1999EP0824520B1 1-fluor-5,6,7,8-tetrahydroisoquinoline derivatives and their use in liquid crystal mixtures
10/06/1999EP0563146B1 2-fluoropyridine, process for producing it and its use in liquid crystal mixtures
10/06/1999EP0394419B2 Matrix liquid crystal display
10/05/1999US5961881 Liquid crystal composition and liquid crystal display element
10/05/1999US5961880 1,3-dioxane derivatives having axial fluorine substitution
10/05/1999CA2050265C Homogeneous electrorhelogical fluid
09/1999
09/30/1999WO1999049360A1 LlQUID CRYSTAL ORIENTATION LAYER
09/30/1999WO1999048844A1 Process of preparing discotic liquid crystalline compounds
09/29/1999EP0945422A1 Phenyl polyhaloalkyl ether derivatives, liquid-crystal composition containing the same, and liquid-crystal display element
09/29/1999EP0945418A1 Liquid crystal compounds exhibiting negative anisotropy of permittivity, liquid crystal compositions, and liquid crystal displays
09/29/1999EP0944690A1 1,1,5,7-tetrafluoro-1,2,3,4-tetrahydronaphthalene derivatives and their use in liquid crystal mixtures
09/29/1999EP0944632A1 Liquid crystalline diketopyrrolopyrroles
09/29/1999EP0944577A1 Polymerizable oligomesogenes
09/29/1999EP0944570A1 5,7-difluoro-3,4-dihydro-2h-naphthalene-1-one derivatives and the use thereof in liquid crystal mixtures
09/29/1999EP0944565A1 1,3,5-trifluoronaphthalene derivatives for liquid crystalline mixtures
09/29/1999CN1229930A Polarization conversion system
09/28/1999US5959707 Liquid crystal display having domains with different tilted-up directions as well as domains with different twist directions of lc molecules
09/28/1999US5958856 Liquid crystal compositions containing a polyethylene abrasive
09/28/1999US5958852 Liquid crystal compositions containing alpha hydroxy aliphatic acid
09/28/1999US5958291 Mixture of organic fluorine compound and anthraquinone magenta or cyan dichroic dye having at least two arylthio substituents; color tone, contrast
09/28/1999US5958290 Electrooptical apparatus with dielectric liquid crystals for radiation transparent medium
09/23/1999DE19811456A1 Liquid crystal medium with positive dielectric anisotropy used in electro-optical, especially matrix or (super)twisted nematic display
09/22/1999EP0755425B1 Process for controlling layer spacing in mixtures of smectic liquid crystal compounds
09/22/1999CN1229119A Ferroelectric type fluorine-containing steroid liquid crystal, preparation method and its use
09/21/1999US5956113 Bistable reflective display and methods of forming the same
09/21/1999US5955001 Antiferroelectric liquid crystal composition and liquid crystal indicating element
09/21/1999US5955000 Chiral compounds
09/16/1999DE19906254A1 New phenyl alpha,beta-difluorocinnamic esters useful in liquid crystal medium for display or dielectric for electro-optical display
09/14/1999US5951914 Racemic compound and anti-ferroelectric liquid crystal composition
09/14/1999US5951913 Liquid crystal compositions comprising silacyclohexane compounds
09/14/1999US5951912 Liquid crystal composite and device comprising same
09/14/1999CA2148573C Interference pigments comprising molecules fixed in a cholesteric configuration, and use thereof
09/10/1999WO1999045082A1 A film
09/10/1999WO1999032576A3 Microphase stabilized ferroelectric liquid crystals
09/09/1999DE19809118A1 Liquid crystalline medium, useful for production of electro-optic display devices
09/08/1999EP0940707A1 Optical retardation film
09/08/1999EP0940705A1 Cholesteric liquid crystal layer, optical element, lighting device, and liquid crystal display
09/08/1999EP0939795A1 Method of preparing a cross-linked macroscopically oriented polymer
09/08/1999CN1227838A Fluoro 4-alkene-benzoic acid and its derivative, nematic liquid crystal composition and liquid crystal display using this composition
09/07/1999US5948487 Anisotropic retardation layers for display devices
09/07/1999US5948486 Liquid crystal polymer devices
09/07/1999US5948319 Nematic liquid crystal mixtures
09/07/1999US5948318 Liquid crystal composition and liquid crystal display device
09/07/1999US5948317 Liquid crystal composition, liquid crystal device using the composition, liquid crystal apparatus and display method