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LIQUID CRYSTAL COMPOSITIONS

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252 - Compositions

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Class / Patent application numberDescriptionNumber of patent applications / Date published
252299600 Containing nonsteryl liquid crystalline compound of specified structure 302
252299500 Containing nonchiral additive having no specified mesophase 31
252299400 Containing nonchiral aligning agents 8
252299700 Cholesteric liquid crystal composition containing a sterol derivative 5
20120223272INFRARED LIGHT-REFLECTING FILM AND PRODUCTION METHOD THEREOF - A method of producing an infrared light-reflecting film includes a coating step of coating a polymerizable liquid crystal composition including a polymerizable cholesteric liquid crystal compound (A), a chiral agent having an HTP of 50 μm09-06-2012
20100294990POLYMERIZABLE COMPOUND AND POLYMERIZABLE COMPOSITION - A polymerizable compound represented by general formula (1):11-25-2010
20100219374Polymerizable Liquid Crystal Composition and Uses for the Same - The polymerizable liquid crystal composition includes at least two selected from the group of compounds represented by the following Formulas (1) and (2):09-02-2010
20090242834IDENTIFYING MEDIUM, IDENTIFYING MEDIUM MANUFACTURING METHOD, ARTICLE, AND IDENTIFYING MEDIUM IDENTIFYING METHOD - An identifying medium comprises a nematic liquid crystal layer for forming a latent image with gradation, and the nematic liquid crystal layer has a thickness distribution corresponding to the gradation.10-01-2009
20120319043LIQUID-CRYSTAL EMULSION OIL IN WATER TYPE AND A PREPARATION METHOD OF THE LIQUID-CRYSTAL EMULSION - The present invention relates to liquid-crystal emulsion for the use in a thermo-optical matrix to an early diagnosis of mammary gland neoplasmic lesions. It contains a mixture of thermotropic liquid crystals and polyvinyl alcohol. The liquid-crystal emulsion contains 14 to 48% by weight (on a dry matter basis) of the thermotropic compounds mixture and 50 to 86% by weight (on a dry matter basis) of polyvinyl alcohol. The present invention also relates to a method for preparing liquid-crystal emulsion.12-20-2012
252299100 Containing pleochroic dye 2
20130092874BLACK DICHROIC DYE - Described is a black dichroic dye composition comprising 2 or more dyes, wherein at least one dye, generally a red dye and optionally a yellow dye, conforms to the formula A and at least one dye, usually a blue dye, conforms to the formula B Ar04-18-2013
20130187090LIQUID-CRYSTAL COMPOUND, LIQUID-CRYSTAL COMPOSITION, LIGHT ABSORPTION ANISOTROPIC FILM, AND LIQUID-CRYSTAL DISPLAY DEVICE - A liquid-crystal compound denoted by general formula (I) below wherein each of the groups is defined and Dye denotes an azo dye residue denoted by general formula (II) with X and n also being defined.07-25-2013
252299200 Containing dopant salt 1
20090267025LIQUID CRYSTAL SYSTEM AND LIQUID CRYSTAL DISPLAY - The instant invention relates to mesogenic systems comprising a) a polymeric component, component A, obtained or obtainable from polymerisation of a precursor comprising one or more mesogenic mono-reactive compounds, one or more di-reactive compounds, which optionally are also mesogenic compounds and optionally a photo-initiator and a low molecular weight component, component B, comprising one or more mono-reactive, mesogenic compounds, one or more mesogenic compounds and one or more chiral dopants, exhibiting a Blue Phase, as well as to the use of these systems in deices and to these devices.10-29-2009
Entries
DocumentTitleDate
20100038587BIFUNCTIONAL POLYMERIZABLE COMPOUND, LIQUID CRYSTAL COMPOSITION, OPTICAL ANISOTROPIC MATERIAL AND OPTICAL ELEMENT - A bifunctional polymerizable compound represented by the following formula:02-18-2010
20090159847Resin Composition And Flexible Printed Circuit Board - A resin composition characterized as containing (A) a synthetic resin having a melting temperature of 300° C. or above and (B) a platy inorganic filler incorporated in the resin and having the following properties; 06-25-2009
20100270502ACRYLIC RESIN CONTAINING FILM, AND POLARIZING PLATE AND A LIQUID CRYSTAL DISPLAY DEVICE EMPLOYING THE SAME - This invention provides an acrylic resin containing film, which is transparent and highly heat resistant and has significantly improved brittleness, and a polarizing plate using the acrylic resin containing film. Further yield in punching work and laminating work of the polarizing late is improved and a liquid crystal display device which can maintain good visibility in long term use is also provided by the polarizing plate. The acrylic resin containing film is composed mainly of an acrylic resin and is characterized in that the film contains the acrylic resin and the cellulose ester resin in a weight ratio of 51:49 to 95:5 and further contains a retardation control agent.10-28-2010
20120235088BLUE PHASE LIQUID CRYSTAL COMPOSITION WITH REDUCED HYSTERESIS BEHAVIOR - The present invention relates to a blue phase (BP) liquid crystal composition that shows reduced hysteresis behavior, and to a method of reducing and/or eliminating the hysteresis behavior of a BP liquid crystal composition. Moreover, the present invention relates to a blue phase liquid crystal composition, wherein the hysteresis has been reduced or eliminated. Furthermore, the present invention relates to a liquid crystal cell comprising a blue phase liquid crystal composition, and to a liquid crystal display comprising a blue phase liquid crystal composition.09-20-2012
20100294989SMALL SCALE FUNCTIONAL MATERIALS - The disclosure provides for a small scale functional material, where the small scale functional material is imbibed with a material having a functionality response to an externally applied field.11-25-2010
20090121185METHOD OF FORMING A COMPOSITE CONTAINING A MATRIX COMPONENT AND AT LEAST ONE LIQUID CRYSTAL COMPONENT - A method of forming a composite containing a matrix component and at least one liquid crystal component includes providing a matrix, providing a first material that is phase separable from the matrix, adding the first material to the matrix, and replacing the first material that is phase separable form the matrix with a second material exhibiting liquid crystalline behavior.05-14-2009
20090146104ALIGNMENT FACILITIES FOR OPTICAL DYES - Various non-limiting embodiments disclosed herein provide phase-separating polymer systems including a cured polymeric liquid crystal matrix phase and a guest phase including at least one photoactive material where the guest phase separates from the matrix phase during the curing process. Optical elements, including ophthalmic elements and other articles of manufacture including the phase-separating polymer systems are also disclosed. Methods of forming a liquid crystal phase-separating photoactive polymer system are also described.06-11-2009
20090294729LIQUID-CRYSTALLINE POLYMER COMPOSITION CONTAINING NANOSTRUCTURED HOLLOW-CARBON MATERIAL AND MOLDED ARTICLE THEREOF - The present invention comprises a liquid-crystalline polymer composition comprising a nanostructured hollow-carbon material and a liquid-crystalline polymer. The nanostructured hollow-carbon material may comprises particles, each particle of which is selected from the group consisting of a particle which is composed of a carbon part and a hollow part and has a structure that the hollow part is entirely enclosed by the carbon part; and a particle which is composed of a carbon part and a hollow part and has a structure that the hollow part is partly enclosed by the carbon part.12-03-2009
20090272942Liquid crystal composition, liquid crystal display element using the same, and electronic paper including the same. - The invention has an object to provide a liquid crystal composite capable of sufficiently reducing the scattering of light in a focal conic state, a liquid crystal display element excellent in improvements of a color balance and a contrast, and electronic paper using the same. The content of a chiral material is higher in a cholesteric liquid crystal LCg for G than in a cholesteric liquid crystal LCb for B, and is higher in a cholesteric liquid crystal LCr for R than in the cholesteric liquid crystal LCg for G. The cholesteric liquid crystal LCr for R is prepared by mixing about 5 wt % of a chiral material CHl1 of an L-form with a base liquid crystal of an R-form, which contains 27 wt % of CHr1 of the R-form exhibiting a liquid crystallizability for a nematic liquid crystal LCn, and 3 wt % of a chiral material CHr2 of the R-form exhibiting no crystallizability.11-05-2009
20120068114LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal composition that satisfies at least one of characteristics such as high maximum temperature of a nematic phase, low minimum temperature of a nematic phase, small viscosity, large optical anisotropy, large positive dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat, or that is suitably balanced between at least two of the characteristics; and provided is an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life, etc. The liquid crystal composition includes a specific four-ring compound having high maximum temperature as a first component, a specific three-ring compound having large optical anisotropy and large dielectric anisotropy as a second component, and a specific three-ring compound having large dielectric anisotropy as a third component, and has a nematic phase. The liquid crystal display device contains this composition.03-22-2012
20090072194Films and Processes for Producing the Same - A birefringent film which comprises a compound having a proton-accepting group and a compound having a proton-donating group; and a birefringent film which comprises a compound having a proton-accepting group and a proton-donating group. The proton-accepting group and proton-donating group are combined with each other through intermolecular hydrogen bonding.03-19-2009
20100012896METHOD FOR PRODUCING LIQUID CRYSTAL COMPOSITION - The present invention provides a method for producing a liquid crystal composition which mixes two or more liquid crystal compounds, namely, a method for producing a liquid crystal composition, including conducting agitation or ultrasonic irradiation of two or more liquid crystal compounds without applying external heat, wherein at least one of the liquid crystal compounds has a melting point higher than 40° C., and a temperature at a start of the agitation or ultrasonic irradiation is not more than 40° C. The production method of the present invention enables a highly reliable, high-quality liquid crystal composition to be produced without the necessity for large-scale equipment such as a pressure reduction apparatus or heating apparatus. Accordingly, this method is extremely practical for the production of liquid crystal compositions that require a high level of reliability.01-21-2010
20100224826Dispersion Liquid Comprising Liquid Crystal-Compatible Particles, Paste Obtained Therefrom, and Mehtod for Preparing the Same - A task of the present invention is to provide a method for preparing a dispersion liquid comprising liquid crystal-compatible particles and a paste thereof, which is commercially advantageous in that a dispersion liquid comprising liquid crystal-compatible particles and a uniform liquid crystal-compatible particle paste can be obtained using a method which can easily achieve mass-production.09-09-2010
20100213413SEEDING RESINS FOR ENHANCING THE CRYSTALLINITY OF POLYMERIC SUBSTRUCTURES - The present invention provides for a resin mixture that comprises a highly structured resin 08-26-2010
20130134353DIOXOLANE COMPOUND, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE - A novel dioxolane compound represented by the general formula (G1) is provided. In the general formula (G1), R05-30-2013
20110108765POLYMERIZABLE OPTICALLY ACTIVE IMIDE COMPOUND AND POLYMERIZABLE COMPOSITION CONTAINING THE COMPOUND - A polymerizable optically-active imide compound represented by the following general formula (I). Preferable among the polymerizable optically-active imide compound are compounds wherein X05-12-2011
20110017949Methods and apparatus to produce aligned film of lyotropic chromonic liquid crystals - The present invention comprises a device and method for ordering molecules of lyotropic chromonic liquid crystals to aligned structure of a dried film. An example of an aligned film may be transparent to visible light but not transparent to polarized light in the ultraviolet and/or infrared portions of the electromagnetic spectrum. A shearing device having a shearing tool and a repelling pad may repel the solvent and provide a shear force to shear the LCLC dissolved in the solvent as a film on the surface of a substrate. A method of making an aligned lyotropic chromonic liquid crystal-based film comprises providing a mixture of a lyotropic chromonic liquid crystal material in a solvent for the liquid crystal material, applying the mixture to a substrate, shearing the lyotropic chromonic liquid crystal with a shearing device and removing the solvent to produce an aligned lyotropic chromonic liquid crystal-based film.01-27-2011
20110114882POLYMERIZABLE OXETANE DERIVATIVE - The invention provides a compound represented by formula (1).05-19-2011
20110101268PHOTOSENSITIVE RESIN COMPOSITION FOR BLACK MATRIX - A photosensitive resin composition for a black matrix and a black matrix formed with the same are provided. The photosensitive resin composition for a black matrix includes a solvent consisting of 5-30 weight % of a first solvent having a boiling point of 110-159° C., 55-90 weight % of a second solvent having a boiling point of 160-200° C., and 3-15 weight % of a third solvent having a boiling point of 201-280° C., and the first solvent, the second solvent, and the third solvent are an aliphatic compound and use at least one solvent composition selected from a group consisting of alkyl ester, alkyl ketone, alkyl ether, and alkyl alcohol, and thus a uniform thin film having no surface defect can be obtained, and the photosensitive resin composition has an excellent process property while securing a high light shielding property and thus a black matrix pattern having a few defect can be obtained, and is thus useful for a liquid crystal display.05-05-2011
20120119141LIQUID CRYSTAL MEDIUM AND HIGH-FREQUENCY COMPONENTS CONTAINING THE SAME - The present invention relates to liquid-crystalline media comprising 05-17-2012
20100258763LIQUID CRYSTAL SYSTEM AND LIQUID CRYSTAL DISPLAY - The instant invention relates to mesogenic systems comprising a) a polymeric component, component A, obtained or obtainable from polymerisation of a precursor comprising one or more mesogenic mono-reactive compounds, one or more di-reactive compounds, which optionally are also mesogenic compounds and optionally a photo-initiator and a low molecular weight component, component B, comprising one or more mono-reactive, mesogenic compounds, one or more mesogenic compounds and one or more chiral dopants, exhibiting a Blue Phase, as well as to the use of these systems in deices and to these devices.10-14-2010
20110248214INORGANIC MESOPOROUS MATERIALS WITH CHIRAL NEMATIC STRUCTURES AND PREPARATION METHOD THEREOF - The present invention describes a composition and a method for producing mesoporous silica materials with a chiral organization. In the method, a polymerizable inorganic monomer is reacted in the presence of nanocrystalline cellulose (NCC) to give a material of inorganic solid with cellulose nanocrystallites embedded in a chiral nematic organization. The NCC can be removed to give a stable porous structure that retains the chiral organization of the NCC template. The new materials may be obtained as iridescent free-standing films with high surface area. Through control of the reaction conditions, the colour of the films can be varied across the entire visible spectrum. These are the first materials to combine mesoporosity with long-range chiral ordering that leads to photonic properties. Examples of possible applications of the materials are: lightweight reinforcement materials, low k dielectric materials, tunable reflective filters, adsorbents, stationary phases for chromatography of chiral or achiral substances, supports for catalysts (e.g., for asymmetric synthetic transformations), and as a template to generate other new porous materials (e.g., porous carbon or porous metals), preferably with chiral nematic structures.10-13-2011
20100320419POLYMERIZABLE COMPOUND AND POLYMERIZABLE COMPOSITION - A polymerizable compound represented by general formula (1):12-23-2010
20120145957LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - Providing a liquid crystal composition satisfies at least one of characteristics like a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat or has a suitable balance regarding at least two of the characteristics. Providing an AM device has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition has a negative dielectric anisotropy and contains a specific compound having large negative dielectric anisotropy as a first component, a specific three-ring compound having large optical anisotropy as a second component and a specific two-ring compound having low viscosity as a third component, and a liquid crystal display device contains the composition.06-14-2012
20110253932OPTICAL FUNCTIONAL FILM, RETARDATION FILM, COMPOSITION FOR FORMING OPTICAL FUNCTIONAL LAYER AND PRODUCING METHOD OF OPTICAL FUNCTIONAL FILM - An optical functional film which exhibits excellent optical characteristics without using an alignment film, and having the excellent adhesion property between layers. The optical functional film includes: a substrate having a property as an optically negative C-plate, and an optical functional layer formed on the substrate and having a rodlike compound. The optical functional layer is formed directly on the substrate, and the rodlike compound forms a random homogeneous alignment in the optical functional layer.10-20-2011
20080203356Switchable Narrow Band Reflectors Produced in a Single Curing Step - The invention relates to a method to produce a multiphase polymer-based film by polymerizing monomer in the presence of a non-reactive liquid crystal and a dichroic photoinitiator whereby the polymerization is initiated by the use of linearly polarized light, the initial mixture being cholesteric before polymerization. The invention furthermore relates to the multiphase polymer-based film obtainable by the method according to the invention and products comprising such film.08-28-2008
20110215274FERROELECTRIC LIQUID CRYSTAL MIXTURE WITH ORGANIC ION PAIR COMPOUND - Ferroelectric liquid crystal compositions including organic ion pair compounds wherein image sticking is reduced or eliminated. Use of the ferroelectric liquid crystal compositions in a ferroelectric liquid crystal display device allows for rapid image refresh rates without required a DC-balancing algorithm. The organic ion pair compounds provide electrical resistivity values for the compositions that result in reduced image sticking when the compositions are used in FLC display devices.09-08-2011
20080258106LIQUID CRYSTALLINE POLYMER COMPOSITION AND MOLDED ARTICLE MADE OF THE SAME - Provided is a liquid crystalline polymer composition comprising: 100 parts by weight of a LCP, and equal to or more than 0.01 and less than 1 part by weight of a low temperature softening inorganic glass filler whose softening temperature is equal to or less than 550° C. The composition can provide a molded article which cause no or less blister formation upon reflow soldering using a lead-free solder.10-23-2008
20120012785Liquid Crystal System And Liquid Crystal Display - The instant invention relates to mesogenic systems comprising a) a polymeric component, component A, obtained or obtainable from polymerisation of a precursor comprising one or more mesogenic mono-reactive compounds, one or more di-reactive compounds, which optionally are also mesogenic compounds and optionally a photo-initiator and a low molecular weight component, component B, comprising one or more mono-reactive, mesogenic compounds, one or more mesogenic compounds and one or more chiral dopants, exhibiting a Blue Phase, as well as to the use of these systems in deices and to these devices.01-19-2012
20110049426MOULDING PROCESSES - Use of a resin system for making a composite material in a liquid moulding process. The resin system comprises an epoxy component and at least one curing agent, and at least 35 wt. % of the epoxy component is one or more naphthalene based epoxy resin. There is also provided a cured composite material, and a method of making the cured composite material in a liquid moulding process which comprises placing fibre reinforcement and the resin system in a mould and curing. The resin system and the methods of making a cured composite material are particularly applicable to liquid moulding processed such as resin trans moulding (RTM), vacuum assisted resin transfer moulding (VARTM), Seeman composite resin infusion moulding (SCRIMP), resin infusion under flexible tooling (RIFT), and liquid resin infusion (LRI).03-03-2011
20090134358CURING RESIN COMPOSITION, SEALING MATERIAL FOR LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - It is the object of the invention to provide a curable resin composition which causes no liquid crystal contamination, which are excellent in the adhesive property to a glass, and which causes no cell gap inequality in the case it is used as a sealant for a liquid crystal display element to produce a liquid crystal display element by a one drop fill process, a sealant for a liquid crystal display element, and a liquid crystal display element.05-28-2009
20110089371LIQUID CRYSTAL POLYESTER RESIN COMPOSITION FOR CAMERA MODULE - A resin composition for surface-mountable (SMT) camera modules which is excellent in the balance between heat resistance, rigidity, strength or moldability and surface exfoliation characteristics is provided by using a liquid-crystal polyester resin composition which comprises 100 parts by mass of a liquid-crystal polyester, 15 to 60 parts by mass of talc having a number-mean particle diameter of 10 to 50 μm, 25 to 50 parts by mass of glass fiber having a number-mean fiber length of 100 to 200 μm, 6 to 20 parts by mass of titanium oxide, and 2 to 10 parts by mass of carbon black and which exhibits a melt viscosity of 10 to 100 Pa S as determined at a shear rate of 100 sec04-21-2011
20120313039PHOTOPOLYMERIZABLE LIQUID CRYSTAL MIXTURE AND MANUFACTURING METHOD OF PHOTOPOLYMERIZABLE LIQUID CRYSTAL - A photopolymerizable liquid crystal mixture includes a first photopolymerizable monomer, a second photopolymerizable monomer, a first photoinitiator, a second photoinitiator, and a liquid crystal material. A manufacturing method of photopolymerizable liquid crystal includes the following steps. A first light source is provided to irradiate the photopolymerizable liquid crystal mixture without providing a driving voltage, for inducing photopolymerization of the first photoinitiator and the first photopolymerizable monomer. A second light source is provided to irradiate the photopolymerizable liquid crystal mixture without providing a driving voltage, for inducing photopolymerization of the second photoinitiator and the second photopolymerizable monomer and aligning the liquid crystal material along a direction.12-13-2012
20120091393COMPOSITE FILM AND METHOD FOR MANUFACTURING A COMPOSITE FILM - There is provided a method for manufacturing a thin polarizing film having an absorption axis oblique to a width direction of the film which comprises the steps of: performing an orientation treatment in two directions in a plane of a support film; applying a solution containing a lyotropic liquid crystal compound onto a surface of the support film; and causing a column-shaped aggregate of the lyotropic liquid crystal compound to be oriented in a direction (orientation direction) equal to the vector sum of a direction of first orientation treatment and a direction of second orientation treatment.04-19-2012
20130134352LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a novel liquid crystal composition that can be used for a variety of liquid crystal devices. The novel liquid crystal composition exhibits a blue phase and includes a binaphthyl compound represented by a general formula (G1) as a chiral agent. In the general formula (G1), Ar05-30-2013
20080224095BIREFRINGENT FILM, POLYCYCLIC COMPOUND, COATING LIQUID, AND IMAGE DISPLAY DEVICE - The present invention provides a birefringent film that hardly generates cracks even when the film is exposed under a high-temperature and high-humidity environment for a long period of time. The birefringent film of the present invention is a film containing, as a major component, a lyotropic liquid crystalline polycyclic compound containing an acenaphtho[1,2-b]quinoxaline derivative unit in a molecular structure and having a molecular weight of 500 or higher. The birefringent film of the present invention preferably has a refractive index ellipsoid showing a relationship of nx≧nz>ny, and more preferably has an in-plane birefringence of 0.01 or higher at the wavelength of 590 nm.09-18-2008
20080203357Liquid Crystalline Composition, Optically Anisotropic Film, Optical Film, and Polarizer and Liquid-Crystal Display Device Using Them - A liquid crystalline composition is disclosed. The composition comprises at least one liquid-crystal compound and at least one fluoroaliphatic group-containing polymer of a formula (1-1). In the formula, i and j each indicate an integer equal to or more than 1; M represents k types of repetitive units each derived from an ethylenic unsaturated monomer (k indicates an integer equal to or more than 1); a, b and c each mean a mass percentage indicating a polymerization ratio; R08-28-2008
20130146811METHOD OF REUSING MICRO-ENCAPSULATED CHOLESTERIC LIQUID CRYSTAL - A method of reusing micro-encapsulated cholesteric liquid crystals is provided. The method includes providing a display medium material containing a micro-encapsulated cholesteric liquid crystal and a dispersant. The display medium material is mixed with a solvent to form a mixture having a temperature of between 40° C. and 60° C. A centrifugal process is performed to the mixture for separating the micro-encapsulated cholesteric liquid crystal and the dispersant. Then, the dispersant and the solvent are removed to obtain the micro-encapsulated cholesteric liquid crystal.06-13-2013
20100308264CELLULOSE ESTER FILM, OPTICALLY COMPENSATORY FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE - A cellulose ester film is provided and includes a polycondensate obtained from a diol and a dicarboxylic acid, and the polycondensate contains the following (1) and (2).12-09-2010
20120273721BLUE PHASE LIQUID CRYSTAL COMPOSITION AND METHOD FOR FORMING BLUE PHASE LIQUID CRYSTAL - A blue phase liquid crystal composition includes a chiral dopant, a positive liquid crystal component and a negative liquid crystal component. The positive liquid crystal component includes at least one positive liquid crystal material, has a positive dielectric anisotropy and has no blue phase properties with respect to the chiral dopant. In addition, the negative liquid crystal component includes at least one negative liquid crystal material, has a negative dielectric anisotropy and has no blue phase properties with respect to the chiral dopant, so that the blue phase liquid crystal composition has a dielectric anisotropy between 0.5 and 14 and a blue phase temperature range larger than 3° C.11-01-2012
20130187091LIQUID CRYSTAL BLUE PHASE - Methods of forming a liquid crystal blue phase from composite materials comprising a chiral nematic liquid crystal host and an azobenzene-based bent-shape molecule are described. The composite materials quickly transfer from the liquid crystal blue phase to an isotropic phase under electromagnetic radiation and transfer from the isotropic phase to the liquid crystal blue phase when electromagnetic radiation is removed.07-25-2013
20130193376LIQUID CRYSTAL SYSTEM AND LIQUID CRYSTAL DISPLAY - The instant invention relates to mesogenic systems comprising a) a polymeric component, component A, obtained or obtainable from polymerisation of a precursor comprising one or more mesogenic mono-reactive compounds, one or more di-reactive compounds, which optionally are also mesogenic compounds and optionally a photo-initiator and a low molecular weight component, component B, comprising one or more mono-reactive, mesogenic compounds, one or more mesogenic compounds and one or more chiral dopants, exhibiting a Blue Phase, as well as to the use of these systems in deices and to these devices.08-01-2013

Patent applications in class LIQUID CRYSTAL COMPOSITIONS

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