Abstract: A liquid crystal display having a brightness enhancement film and a method of manufacturing the brightness enhancement film, the method including providing a solution of high molecular weight resin on a high molecular weight film, uniformly distributing the solution of high molecular weight resin on the high molecular weight film, and drying the solution of high molecular weight resin to form a high molecular weight resin layer, wherein the high molecular weight resin layer has a hexagonal lattice structure.

Abstract: A liquid crystal display panel includes: a first substrate and a second substrate facing each other, a first field-generating electrode and a second field-generating electrode formed on at least one of the first substrate and the second substrates, a homeotropic alignment layer formed on the first field-generating electrode and the second field-generating electrode and a liquid crystal material formed between the first substrate and the second substrate. The liquid crystal display panel further includes a polymer fixing a pre-tilt angle of liquid crystal molecules of the liquid crystal material, wherein the polymer is formed by polymerizing at least one selected from monomers represented by Chemical Formulas (I), (II), (III), and (IV). wherein, each of R1 and R2 includes at least one of acrylate, a vinyl group, and an epoxy group, n is 0 to 2, each of X1 to X4 is hydrogen or fluorine, Y is at least one selected from —CH2—, —O—, —CO—, —C(CF3)2—, and a single bond.

Abstract: A low power bistable device and method are provided.

Abstract: In a method for manufacture of a liquid crystal display device in which a liquid crystal composition is placed between two substrates, after which ultraviolet irradiation is performed to form a liquid crystal layer, a specific polymerizable compound is used, or specific ultraviolet irradiation conditions are adopted, or processing is comprised midway through the ultraviolet irradiation to activate the molecular motion of liquid crystal molecules or to deform the liquid crystal layer. A method for manufacture of a liquid crystal display device and a liquid crystal display device manufactured by this method are provided, in which an alignment control film is rendered unnecessary, and which has such advantages as improved quality of the liquid crystal panel, enhanced production yields, streamlined manufacturing facilities, simplified processes, and reduced costs.

Abstract: A novel polarizing plate is disclosed. The polarizing plate comprises at least a polarizing film, a pressure-sensitive adhesive layer, and an optical compensation sheet, having an absolute value of Y, defined by the following equation, equal to or smaller than 6.0×10?4: Y=?7.0×105×Cn+4.3×10?13×E?1.34×10?3 where Cn (1/Pa) is photoelastic modulus of said pressure-sensitive adhesive layer and E (Pa) is modulus of elasticity of said optical compensation sheet.

Abstract: A liquid crystal (LC) medium for polymerization alignment process includes at least a set of LC molecules, at least a set of reactive monomers, and at least one inhibitor at a concentration in a range of 0.01-1% wt of the reactive monomer. The inhibitor quenches polymerization of radicals of the reactive monomers, which is triggered by light or heat before the polymerization alignment process. Therefore influence on the reactive monomers before the polymerization alignment process is reduced and stability of the LC medium is improved.

Abstract: A liquid crystal composition is provided that has a wide temperature range of a nematic phase, a suitable optical anisotropy, a large negative dielectric anisotropy and a large specific resistance, and preferably a liquid crystal composition is provided that has a larger optical anisotropy and a lower minimum temperature of a nematic phase while satisfying the aforementioned characteristics. A liquid crystal display device containing the liquid crystal composition is also provided. The liquid crystal composition contains a liquid crystal compound having terphenyl, in which one or two hydrogens are replaced by fluorines, as the first component, and a liquid crystal compound having phenylene, in which two hydrogens are replaced by fluorine, as the second component, and the liquid crystal display device contains the liquid crystal composition.

Abstract: The present invention provides a liquid crystal film with improved adhesivity to a tacky adhesive or an adhesive, formed from a liquid crystalline composition comprising a specific (meth)acrylic compound having an oxetane group and a liquid crystalline compound having an oxetane group.

Abstract: A liquid crystal display showing a high contrast and reduced in color shift depending on the viewing angle is provided. The liquid crystal display device comprises a liquid crystal cell having a retardation value Re1(400) at 400 nm and a retardation value Re1(550) at 500 nm in the black state; and at least one layer of optically anisotropic layer formed of a composition comprising at least one species of liquid crystalline compound, having a retardations value Re2(400) at 400 nm and a retardation value Re2(550) at 550 nm, wherein Re2(400) and Re2(550) of said optically anisotropic layer, and retardations values Re1(400) and Re1(550) satisfy the relational expression (1) below: 0.9??2/?1?1.1??Relational Expression (1) where, ?1=Re1(400)/Re1(550) and ?2=Re2(400)/Re2(550).

Abstract: This disclosure outlines a new method of modifying the properties of existing liquid crystals by doping them with ferroelectric micro- and nanoparticles. We show that this approach, in contrast to the traditional time consuming and expensive chemical synthetic methods, enriches and enhances the electro-optical performance of many liquid crystal materials. We demonstrate that by changing the concentration and type of ferroelectric particles the physical properties of the nematic, smectic, and cholesteric liquid crystal materials can be changed, including the dielectric constants, the birefringence, the phase transition temperatures, and even the order parameter. We also demonstrate the performance of these new materials in various devices, including displays, light modulators, and beam steering devices.

Abstract: The invention refers to a composition comprising a liquid crystal material and an additive, preferably a dopant capable of forming a complex with said LC material, to a liquid crystal cell comprising this composition, uses thereof and to a method of improving the response time of a liquid crystal.

Abstract: The present invention relates to a display comprising at least one substrate, at least one electronically modulated imaging layer and at least one electrically conductive layer, wherein the electronically modulated imaging layer comprises a self-assembled, close-packed, ordered monolayer of domains of guest-host material, wherein the guest-host material comprises a dichroic or pleochroic dye guest in a light modulating host in a fixed polymer matrix, and wherein the appearance of the display is independent of viewing angle.

Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more compounds of the formula I and one or more compounds of the formula IA in which R1, R1A, X, XA, L1-7, A1, Z1 and n have the meanings indicated in claim 1.

Abstract: The invention relates to a liquid crystal display utilizing a vertically aligned state of liquid crystal molecules when no voltage is applied and to a method of manufacturing the same. The invention is aimed at providing a liquid crystal display and a method of manufacturing the same in which the existing step for forming vertical alignment films can be omitted to achieve a cost reduction. The liquid crystal display includes a monofunctional monomer having a structure expressed by X-R (where X represents an acrylate group or a methacrylate group, and R represents an organic group having a steroid skeleton). A liquid crystal material is sandwiched between substrates which is then irradiated with ultraviolet rays to cure the monofunctional monomer, thereby forming a polymer film at an interface of a substrate. The monofunctional monomer has a hydrophobic skeleton such as an alkyl chain and a photoreactive group on one side of the skeleton.

Abstract: A liquid crystal compound is provided that has stability to heat and an ultraviolet ray, a small viscosity, a suitable refractive index anisotropy, a suitable dielectric anisotropy, a nematic phase within a wide temperature range and favorable compatibility with other liquid crystal compounds, and a liquid crystal composition is also provided that has a particularly small viscosity. The liquid crystal compound is a compound represented by formula (1): wherein in formula (1), R1 is hydrogen or alkyl having 1 to 5 carbons; one of X1 and X2 is hydrogen, and the other thereof is fluorine; and R2 is hydrogen or methyl.

Abstract: Provided is a method of producing a liquid crystal cell substrate comprising forming an image having at least two different hues and having different thickness for the respective hue domains, and forming at least one monoaxial or biaxial optically anisotropic layer having different film thicknesses on the respective hue domains on the image.

Abstract: The invention is to provide such a liquid crystal compound that has general properties required for a liquid crystal compound, stability to heat, light and the like, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a wide temperature range of a nematic phase, and favorable compatibility with other liquid crystal compounds, and a liquid crystal composition containing the compound. The invention provides a compound represented by Formula (1), wherein Ra and Rb are hydrogen or an alkyl having 1 to 20 carbon atoms; ring A1 is 1,4-cyclohexylene, 1,4-phenylene, pyridine-2,5-diyl, pyridazine-3,6-diyl, decahydronaphthalene-2,6-diyl, 1,2,3,4-tetrahydronaphthalene-2,6-diyl, 5,6,7,8-tetrahydronaphthalene-2,6-diyl, or naphthalene-2,6-diyl; Z1 is a single bond or an alkylene having 1 to 4 carbon atoms; Y1 is hydrogen, halogen, —CN, —CF3, —CHF2, —CH2F, —OCF3, —OCHF2, or —OCH2F; and m is 1, 2, or 3.

Abstract: The present invention provides for a resin molded article comprising a liquid crystalline polymer and a fibrous filler, the article having a surface with difference of 0.4 ?m or smaller in a surface roughness expressed by Ra value measured before and after repeating 30 times the operation of pasting and peeling a tape having an adhesive power of 4.0 N/mm. The resin molded article is excellent in mechanical strength when used in an electric/electronic component or in an optical apparatus.

Abstract: Provided is a composition comprising a nonmicellar twisted nematic liquid crystal having cholesteric near infrared-reflecting properties and at least one near infrared absorptive material. This composition reduces the transmission of near infrared radiation. The composition can be used as a layer, optionally in conjunction with polymeric films, polymeric sheets, rigid sheets, and the like, to form multilayer laminates. In some embodiments these multilayer laminates are useful as solar control windows or window films to reduce energy consumption necessary to cool the interior of a structure such as an automobile or building.

Abstract: A liquid crystal composition including a liquid crystal and at least three anthraquinone dyes, at least two of the anthraquinone dyes having a substituent represented by the following Formula (I): wherein in Formula (I), * represents a linking position; R25 and R26 each independently represent an alkyl group, a halogen atom or an alkoxy group; R27 represents an alkyl group, an acyl group or an alkoxy group; R28 and R29 each independently represent a hydrogen atom or a substitutent; T1 represents an arylene group or a heteroarylene group; Z represents an oxygen atom, a sulfur atom or a carbonyl group; m represents an integer of 0 to 2; and i represents 0 or 1, wherein when i is 1 and Z is an oxygen atom or a sulfur atom, R27 is not an alkoxy group, and when i is 1 and Z is a carbonyl group, R27 is not an acyl group.

Abstract: The present invention relates to liquid-crystal (LIQUID CRYSTALLINE) media comprising polymerizable compounds, in particular for use in LIQUID CRYSTALLINE displays of the PS (polymer stabilized) or PSA (polymer sustained alignment) type, and to PS(A) displays containing LIQUID CRYSTALLINE media of this type.

Abstract: To provide a method of making a film of organic material excellent in moisture barrier property and/or oxygen barrier property and also to provide an electronic device excellent in long term stability, in which the film obtained by such film making method is utilized to form a protective film for protecting an electronic device, and particularly an organic electronic device, to avoid deterioration of the performance, which would otherwise be brought about by moisture and oxygen in the atmosphere. The film is formed by depositing and solidifying, on a substrate, an evaporant formed by irradiating a liquid crystal polymer capable of exhibiting an optical anisotropy with pulsed laser.

Abstract: An optical device is disclosed. The optical device includes: a polymerizable liquid crystal monomer hybrid-aligned in the optical device; and a first polymerizable liquid crystal monomer aligned at a given angle to an alignment processed surface; and a second polymerizable liquid crystal monomer hybrid-aligned relative to the alignment processed surface; wherein viewing-angle dependence of a phase difference of the optical device is controlled by a ratio of the amount of the first polymerizable liquid crystal monomer to the amount of the second polymerizable liquid crystal monomer.

Abstract: A liquid crystal medium is described, having a wide temperature range of a liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy, and exhibiting an optically isotropic liquid crystal phase. The liquid crystal medium features including a chiral dopant and a liquid crystal compound with chloronaphthalene ring and exhibiting an optically isotropic liquid crystal phase.

Abstract: The liquid crystal composition of the present invention contains a compound represented by the following Formula (1) and a liquid crystal. In Formula (1), at least one among R1 to R7 is a liquid crystalline substituent, and those among R1 to R7 that are not a liquid crystalline substituent each independently represent a hydrogen atom or a substituent. X and Y each independently represent an alkyl group, a halogen atom, an alkoxy group, or an alkylthio group. Z represents an alkyl group having 3 or more carbon atoms, an acyl group, or an aryl group. A represents an oxygen atom, a sulfur atom, or a nitrogen atom. n represents 0 or 1. The liquid crystal device, reflection display material, and light modulating material of the invention contain the liquid crystal composition.

Abstract: A liquid crystal medium is described, which has a wide temperature range of a liquid crystal phase, a large optical anisotropy and a large dielectric anisotropy and exhibits an optically isotropic liquid crystal phase. The liquid crystal medium is characterized in including a chiral dopant and a liquid crystal compound with a chlorophenyl ring and exhibiting an optically isotropic liquid crystal phase.

Abstract: The present invention provides one or more dichroic dyes which exhibit high solubility in liquid crystal and a high order parameter. The dichroic dyes each have a first substituent having at least one cis-cyclohexane ring and/or a second substituent having at least one trans-cyclohexane ring. The dichroic dye(s) may be provided as a mixture including at least a first dichroic dye having at least the first substituent and a second dichroic dye having at least the second substituent. The dichroic dye(s) may also be provided as a plurality of dichroic dyes, each of the molecules of which has at least the first substituent and the second substituent. The present invention also provides a liquid crystal composition and a liquid crystal element including the one or more dichroic dyes.

Abstract: A photoresist composition capable of forming a high resolution pattern without an additional heating process includes an alkali-soluble phenol polymer in an amount of 10 to 70 parts by weight, including at least one unit of Formula 1, a photo-acid generator in an amount of 0.5 to 10 parts by weight, a dissolution inhibitor in an amount of 5 to 50 parts by weight, including at least one unit of Formula 2, and a solvent in an amount of 10 to 90 parts by weight, wherein the amounts of the foregoing components is based on a total of 100 parts by weight of alkali-soluble phenol polymer, photo-acid generator, dissolution inhibitor, and solvent, and wherein Formulas 1 and 2 have the structures: wherein R is a methyl group, wherein R1, R2 and R3 are the same or different and are hydrogen or t-butyl vinyl ether protective groups.

Abstract: A method of forming an optical compensation film includes coating one or more first layers and one or more second layers onto a carrier substrate, and stretching the first layers and second layers simultaneously. The one or more first layers include a polymer having an out-of-plane birefringence (?nth) not more negative than ?0.005 and not more positive than +0.005, and the one or more second layers include a polymer having an out-of-plane birefringence more negative than ?0.005 or more positive than +0.005. The overall in-plane retardation (Rin) of the optical compensation film is greater than 20 nm and the out-of-plane retardation (Rth) of the optical compensation film is more negative than ?20 nm or more positive than +20 nm.

Abstract: A light shading structure suitable for being disposed on a substrate is provided, wherein the substrate has a display region and a non-display region. The light shading structure includes a black matrix layer and a light shading layer. The black matrix layer is disposed on the substrate and defines multiple sub-pixel regions in the display region. The black matrix layer also covers the non-display region adjacent to the edge of the display region. The light shading layer is disposed on the black matrix layer in the non-display region adjacent to the edge of the display region and has at least one channel. The light shading structure can reduce light leakage at the edge of the display region of the LCD panel. During processes of manufacturing the LCD panel, the liquid crystal contamination caused by the contact of liquid crystal and sealant can be avoided by the light shading structure.

Abstract: The present invention provides a dual frequency addressable smectic A liquid crystal composition having a crossover frequency, wherein the smectic A phase is induced by mixing of at least a first nematic liquid crystal compound or composition and a second nematic liquid crystal compound or composition.

Abstract: Disclosed is a resin composition produced by melt-kneading a white pigment and a wholly aromatic thermotropic liquid crystal polyester. The resin composition can retain the excellent heat resistance and moldability of the wholly aromatic thermotropic liquid crystal polyester and have a satisfactory level of white light reflectance. The resin composition comprises 35 to 100 parts by weight of a white pigment particle and 100 parts by weight of a wholly aromatic thermotropic liquid crystal polyester, wherein the white pigment particle comprises 3 to 15 mass % of aluminum oxide and 97 to 85 mass % of a white pigment produced by a process including a roasting step and having a surface treated with the aluminum oxide (provided that the sum total of the white pigment and aluminum oxide is defined as 100 mass %). The resin composition can be produced by a process including a melt-kneading step.

Abstract: At least one cholesteric liquid crystal composition is mixed with at least one first nematic liquid crystal compound or composition, thereby exhibiting a TGBA phase at room temperature. The first nematic liquid crystal compound or composition preferably includes a compound having a cyano group, a halogen atom, a nitro group, a perfluoroalkoxy group or a perfluoroalkyl group at the terminal thereof. The cholesteric liquid crystal composition preferably contains a second nematic liquid crystal compound or composition and a chiral reagent.

Abstract: A liquid crystalline di(meth)acrylate compound represented by the following formula (III): wherein, in the formula (III), R1 and R2 represent each independently a hydrogen atom or a methyl group, R3 and R4 represent each independently an alkylene group of a carbon number of 2 to 12, R5 and R6 represent each independently —O—CO— or —CO—O—, A1 and A2 represent each independently —O— or —O—CO—O—, and X represents an aromatic substituent.

Abstract: A compound represented by formula (1): wherein R1 is hydrogen or alkyl having 1 to 20 carbons, in which in the alkyl, arbitrary —CH2— may be replaced by —O—, —S—, —COO—, —CH?CH— or —C?C—, and arbitrary hydrogen may be replaced by halogen or alkyl having 1 to 3 carbons; ring A1, ring A2, ring A3, ring A4 and ring A5 are each independently a benzene ring, a piperidine ring, a tetrahydropyrane ring or a dioxane ring, in which in the rings, arbitrary hydrogen may be replaced by halogen, alkyl having 1 to 3 carbons, alkoxy having 1 to 3 carbons or halogenated alkyl having 1 to 3 carbons, and —CH? may be replaced by —N?; Z1, Z2, Z4, Z5 and Z6 are each independently a single bond, —COO— or —CF2O—; Z3 is a single bond or —CF2O—, and in the case where Z3 is a single bond, ring A3 is a ring represented by formula (RG-5), or L1 and L2 are both fluorine, or at least one of Z1, Z2, Z4, Z5 and Z6 is —CF2O—; L1, L2, L3 and L4 are each independently hydrogen or halogen; X1 is hydrogen, halogen, —C?N, —N?C?S, —C?C—C?N, —S

Abstract: The present invention discloses a composite material with electron-donating and electron-accepting property is disclosed, wherein the composite material comprises a plurality of nanoparticles with electron-accepting property, a plurality of diblock copolymers, and a bi-continuous structure. Each diblock copolymer comprises a first polymer chain with electron-donating property and a second polymer chain connected with the mentioned nanoparticles. Additionally, the bi-continuous structure containing a first domain and a second domain, wherein the bi-continuous structure is self-assembled from the diblock copolymers, wherein the first polymer chain is in the first domain, and the second polymer chain and the plurality of nanoparticles are in the second domain. Furthermore, this invention also discloses methods for forming the composite material and their applications.

Abstract: Disclosed are a silicon derivative, a liquid crystal composition comprising the same, and a compensation film for a liquid crystal display device using the same liquid crystal composition. More particularly, the silicon derivative is a liquid crystal material of a high-quality view angle compensation film, which improves a contrast ratio measured at a tilt angle when compared to a contrast ratio measured from the front surface and minimizes color variations in a black state depending on view angles.

Abstract: Novel optically active polyacetylene derivatives exhibiting liquid crystallinity; liquid crystal compositions containing the derivatives; and moldings thereof. Specifically, polyacetylene derivatives which have helical structure of rigid-rod shape and which exhibit a liquid crystal phase either in a solvent containing an organic solvent as the main component or in a molten state as well as electric field orientation; liquid crystal compositions containing the derivatives; and moldings thereof.

Abstract: A liquid crystal-containing composition includes a cholesteric liquid crystal, a polymer, and concave and convex portions located at the interface between a region including the cholesteric liquid crystal and a region including the polymer.

Abstract: A diamine compound is proposed as well as polymers, copolymers, polyamic acids, polyamic acid esters, or polyimides based on such compound. The compound is represented by one of the general formulae (Ia) and (Ib). It could be shown that such structures, in particular for a specific choice of the residue B, provide, if e.g. used as orientation layers, a photostable, vertically aligning material with an improved VHR.

Abstract: The present disclosure includes a method that allows one to obtain high quality alignment of nematic or smectic liquid crystal (LC) polymer glasses in thin films. The present disclosure also includes thin films of aligned smectic or nematic LC main-chain polymer glasses, including aligned chiral smectic C* ferroelectric LC main-chain polymer glasses. The disclosure also includes electro-optical devices, including electro-optical devices comprising aligned chiral smectic C* ferroelectric LC main-chain polymer glasses.

Abstract: A micro-array of optical vortex retarders is provided by forming an alignment layer having a plurality of discrete alignment patches with different orientations. A layer of birefringent material, including one of a liquid crystal and a liquid crystal polymer precursor material, is provided adjacent to the alignment layer. The aligning orientation and position of each discrete alignment patch in the plurality of discrete alignment patches is selected to induce the layer of birefringent material to form at least one optical vortex retarder adjacent to a substantially non-oriented region of the alignment layer.

Abstract: An ionic dopant comprising a sulfur or a phosphorus containing anion with a randon cation, for use in a smectic A liquid crystal composition. The cation preferably comprises a quaternary ammonium cation.

Abstract: The present invention provides a liquid crystal composition having a negative dielectric anisotropy whose absolute value is large, and a low viscosity, and also provides a VA type liquid crystal element using the same. Disclosed is a liquid crystal composition containing a compound represented by the general formula (I) and an alkenyl compound represented by the general formula (II): By combining the liquid compounds according to the present invention, a liquid crystal composition having a low viscosity and a negative dielectric anisotropy could be obtained while nearly maintaining physical properties such as refractive anisotropy. By using the composition, a liquid crystal element having excellent reliability, capable of maintaining a high voltage retention until a high temperature region, is provided, and the display is very applicable as a VA type, ECB type, or IPS type liquid crystal display, and is particularly effective for speeding up response without thinning cell gaps.

Abstract: A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates and a liquid crystal layer provided therebetween. The liquid crystal layer is formed of a liquid crystal material which contains molecules having at least one of a carbon-carbon triple bond and a polycyclic group. The illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying.

Abstract: The invention is directed to liquid crystal compositions for use in bistable liquid crystal devices and to bistable liquid crystal devices containing said liquid crystal compositions. The liquid crystal composition comprises a component (?) said component (?) containing one or more compounds having a phenyl ring of formula A Whereby XA is F, CI, SF5, NCS or a C1 to C8 alkanyl, alkenyl or alkoxy radical substituted with at least one F atom; and LA is H or F.

Abstract: A liquid crystal orientation layer contains at least one polymer selected from polyamic acids and polyimides and at least one epoxy compound having a chemical structure represented by the following formula (1) or (2), the X moieties in the formulae containing an alicyclic epoxy group or a glycidyl group represented by the following formula (a) or (b): with the substituents as defined herein the specification.

Abstract: An optical compensation film capable of contributing to improvement in a viewing angle characteristic of a liquid crystal display device, especially an IPS mode liquid crystal display device is proposed. A composition comprises at least one onium salt, at least one rod-like liquid crystalline compound, and at least one additive capable of promoting a vertical alignment of molecules of the rod-like liquid crystalline compound at an air interface; and an optical compensation film comprising an optically anisotropic layer formed of the composition are disclosed.

Abstract: An optical article and method or forming an optical article are disclosed. The optical article includes a first rigid optical substrate, a second rigid optical substrates and a self-supporting optical adhesive disposed between the first rigid substrate and the second rigid substrate. The self-supporting optical adhesive includes a cross-linked silicone based polymer network and a silicone fluid disposed in the polymer network.

Abstract: The present invention is intended to provide a liquid crystal display device excellent in moving picture characteristics in view of the temperature dependence of the viscosity of a liquid crystal composition.