Abstract: 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.

Abstract: The present invention relates to a liquid-crystalline medium, characterised in that it contains a polymerisable component (A) containing one more polymerisable compounds and a liquid-crystalline component (B) containing one more compounds of the general formula I in which R, rings A1 and A2, Z1, Z2, Y1, Y2, X0 and r are as defined in Claim 1.

Abstract: The present invention relates to liquid-crystalline compounds having two fluorinated biphenyl units, a terminal trifluoromethyl or trifluoromethoxy group and a —CF2O— bridge between the two fluorinated biphenyl units. The invention also relates to liquid-crystalline media prepared therewith and to liquid-crystal display devices (LC displays) containing these media.

Abstract: The present invention relates to liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type.

Abstract: The present invention relates to a composition comprising a curable dichroic dye and a curable liquid crystal compound, which are used to prepare an optical component that is vertically oriented to give a narrow viewing angle, to form an optical component, and an optical component comprising an optical component layer prepared using the same. There is provided a composition for forming an optical component comprising 0.1-90 parts by weight of a dichroic dye and 10-98.85 parts by weight of a curable liquid crystal compound, and there is also provided an optical component comprising an optical component layer in which a curable liquid crystal compound and a curable dichroic dye are vertically oriented.

Abstract: A wholly aromatic thermotropic liquid-crystal polyester resin composition, comprising 5 to 40 parts by volume of titanium oxide (B) and 5 to 40 parts by volume of barium sulfate (C) with respect to 100 parts by volume of a wholly aromatic thermotropic liquid-crystal polyester (A); wherein the total of the (B) component and the (C) component with respect to 100 parts by volume of the (A) component is 15 to 45 parts by volume.

Abstract: The present invention provides a liquid crystal polyester composition, comprising (i) 100 parts by weight of a liquid crystal polyester, and (ii) 65 to 100 parts by weight of a combination of a fibrous filler with a plate-like filler, wherein the fibrous filler has a number-average fiber diameter of 5 to 15 ?m, and a number-average aspect ratio of 20 to 40, and a content ratio by weight of the fibrous filler to the plate-like filler is more than 1.0 and 1.6 or less; and a process for producing the liquid crystal polyester composition comprising a step of melt-kneading the above respective components with one another.

Abstract: Provided is a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and a high stability to heat, or having a suitable balance regarding at least two of the characteristics. Also provided is an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having a large elastic constant as a first component, and a specific compound having a large dielectric anisotropy as a second component, and has a nematic phase, and a liquid crystal display device contains the composition.

Abstract: 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.

Abstract: A liquid crystal display includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first insulating substrate, in which a pixel area is defined, a gate line formed on the first insulating substrate, a data line crossing the gate line, and a thin film transistor connected to the gate line and the data line. The second substrate is opposite to the first substrate. The liquid crystal layer is interposed between the first and second substrates and includes a liquid crystal composition with a nematic-isotropic phase transition temperature (Tni) of 79° C. or above.

Abstract: The present invention provides a thermoplastic resin composition comprising a polysulfone (A) having oxygen-containing groups selected from among hydroxyl groups and oxyanion groups, a fluororesin (B) and a thermoplastic resin (C) other than the polysulfone (A) and the fluororesin (B). The composition has high slidability. By molding the composition, a molded article with high slidability can be obtained.

Abstract: An optical film comprising at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In the formulae, L12, L22, and L32 each represent a 5-membered heterocyclic group.

Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which contains at least one compound of the formula I and at least one compound of the formula II in which R1, R2, R3, R4, ring A, Z1, Z2 and m are as defined in Claim 1, and to the use thereof for an active-matrix display based on the ECB, VA, PS-VA, FFS, PALO or IPS effect.

Abstract: The present invention relates to 1,4-diethynylbenzene derivatives having substituents in the 2,3-position (cf. formula I, Claims), to the use thereof for high-frequency components, to liquid-crystalline media comprising the compounds, and to high-frequency components, in particular antennae, especially for the gigahertz range, comprising these media. The liquid-crystalline media serve, for example, for the phase shifting of microwaves for tuneable ‘phased-array’ antennae.

Abstract: A dichroic guest-host polarizer comprises an oriented polymerized liquid crystal host and aligned therewith a dichroic guest. The dichroic ratio of the polarizer is about 15 or more. The polarizer may have a small thickness, be manufactured using a wet deposition method, optionally in accordance with a desired pattern, and be provided on the inside of a liquid crystal cell. Polymerizable liquid crystals having a highly ordered mesophase which may be suitable used to obtain highly oriented polymer films such as polarizer films are disclosed.

Abstract: A composition, including a liquid crystal polymer or oligomer having a terminal hydroxyl group, and a cross-linking agent including a bismaleimide compound, an epoxy resin or a combination thereof, wherein the liquid crystal polymer or oligomer is represented by Formula 1: Z1—(R1)m—(R2)n—Z2??(1), wherein R1 is represented by Formula 2: —X1—Ar1—Y1—??(2), wherein X1 and Y1 are each independently selected from the group consisting of O, CO and NR?, in which R? is independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted C1-C20 alkyl group, and a substituted or unsubstituted C6-C30 aryl group, and Ar1 includes at least one divalent aromatic or alicyclic organic group selected from the group consisting of Formula 3:

Abstract: The invention is to provide an AM device containing a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics, and having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, where the liquid crystal display device contains the liquid crystal composition that includes a specific compound having a large dielectric anisotropy as a first component and having positive dielectric anisotropy.

Abstract: A polymerizable optically-active imide compound represented by the following general formula (I). Preferable among the polymerizable optically-active imide compound are compounds wherein X3 and X4 in general formula (I) are both —CO—, compounds wherein the rings A2 and A3 in general formula (I) are both naphthalene rings, compounds wherein the rings A1, A2, A3, and A4 are all benzene rings, compounds wherein M1 and M2 in general formula (I) are both hydrogen atoms, or compounds wherein rings A1 and A4, as well as rings A2 and A3, in general formula (I) are the same ring, the groups M1 and M2, X1 and X6, X2 and X5, as well as X3 and X6 are the same group in each pair, and n and m are the same number.

Abstract: 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 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. The liquid crystal composition having a nematic phase includes a three-ring compound having a specific difluoromethyleneoxy bond having large dielectric anisotropy as a first component, a specific three-ring compound having large dielectric anisotropy as a second component, a specific four-ring compound having high maximum temperature as a third component, and a specific two-ring compound having high maximum temperature and small viscosity as a fourth component, and the liquid crystal display device contains this composition.

Abstract: The present invention relates to a blue phase (BP) liquid crystal composition and to a method of stabilizing a blue phase state of a liquid crystal material. Furthermore, the present invention relates to a method of lowering the operating voltage of a liquid crystal material. Moreover, the present invention relates to a blue phase crystal material stabilized by the method according to the present invention or having an operating voltage that is lowered by the method according to the present invention. Also, the present invention relates to a liquid crystal cell comprising a blue phase liquid crystal material and to a liquid crystal display comprising a blue phase liquid crystal material. The present invention furthermore relates to a method of broadening that stability temperature range of a liquid crystal material in its blue phase state.

Abstract: The invention provides a liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K33, and further having a suitable negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds.

Abstract: Disclosed is a liquid crystal composition that can satisfy at least one of properties such as a high upper limit temperature of a nematic phase, a low lower limit temperature of a nematic phase, a low viscosity, a proper optical anisotropy, a negatively high dielectric anisotropy, a high specific resistance, a high stability against ultraviolet light, and a high stability against heat, or has a proper balance between at least two of the above properties. The liquid crystal composition comprises a first component of a dicyclic compound which has a negatively high dielectric anisotropy and contains fluorines at least three of lateral positions, a second component of a specific compound having a low viscosity, and a third component of a specific compound having a negatively high dielectric anisotropy and contains a negatively dielectric anisotropy. The liquid crystal display element comprises the composition.

Abstract: 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.

Abstract: The subject is to provide a liquid crystal composition that satisfies at least one characteristic of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two characteristics thereof. The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The invention provides a liquid crystal composition having a negative dielectric anisotropy that includes a specific four-ring compound replaced by fluorine having a high maximum temperature as a first component, and a specific compound having a negatively large anisotropy as a second component, and provides a liquid crystal display device containing the composition.

Abstract: The invention relates to liquid-crystalline media which can be used, in particular, for electro-optical displays having active-matrix addressing based on the ECB effect and for IPS (in-plane switching) displays or FFS (fringe field switching) displays.

Abstract: The invention relates to a liquid-crystalline medium comprising one or more compounds of the formula I in which R0 and X0 have the meanings indicated in Claim 1, and to the use thereof in electro-optical liquid-crystal displays.

Abstract: The present invention relates to thiophene derivatives, to processes and intermediates for the preparation thereof, to the use thereof for optical, electro-optical and electronic purposes, in particular in liquid-crystal (LC) media and LC displays, and to LC media and LC displays comprising same.

Abstract: A depolarizing film of the present invention comprises a film containing at least one liquid crystal compound, wherein the liquid crystal compound comprises a liquid crystal compound (1) that satisfies the relation: 0.05??n?0.5, with the proviso that ?n=ne?no, ne represents an extraordinary-ray refractive index, and no represents an ordinary-ray refractive index, and the film has a haze value of 15% or less and a thickness of 1 ?m to 10 ?m.

Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a 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 that is suitably balanced regarding at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition has negative dielectric anisotropy and includes a two-ring compound having a large negative dielectric anisotropy and having at least three fluorines or chlorines at the lateral positions as a first component, a specific compound having a large negative dielectric anisotropy as a second component, a specific compound having a small viscosity as a third component,

Abstract: The invention provides a liquid crystal compound having a high stability to heat, light or the like, a nematic phase in a wide temperature range, a small viscosity, a suitable optical anisotropy (especially, a relatively small optical anisotropy), a large elastic constant K33 and a suitable dielectric anisotropy (especially, a relatively large dielectric anisotropy), which is represented by formula (1-1). For example, R1 and R2 are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; the ring A1 and the ring A2 is 1,4-phenylene, 2-fluoro-1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene; and m and n are 0, 1, 2 or 3, and the sum of m and n is 3.

Abstract: The invention relates to novel calamitic mesogenic compounds which are especially suitable for use in birefringent films with negative optical dispersion, to novel liquid crystal (LC) formulations and polymer films comprising them, and to the use of the compounds, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices.

Abstract: To provide a liquid crystal polyester composition which is suited for use as a material for forming a liquid crystal polyester film having excellent thermal conductivity. Also, an excellent electronic circuit board is provided by using an insulating film obtained from the liquid crystal polyester composition. The liquid crystal polyester composition of the present invention is composed of a liquid crystal polyester, a solvent and a thermally conductive filler. The thermally conductive filler is contained in the amount of 50 to 90 volume % based on the total amount of the liquid crystal polyester and the thermally conductive filler, and the thermally conductive filler contains 0 to 20 volume % of a first thermally conductive filler having a volume average particle diameter of 0.1 ?m or more and less than 1.0 ?m, 5 to 40 volume % of a second thermally conductive filler having a volume average particle diameter of 1.0 ?m or more and less than 5.

Abstract: The invention relates to mesogenic tetrahydropyran compounds having at least four rings, of the formula I in which R1, A1, A2, X1, L1, L2, m and n have the meanings indicated in Claim 1, and to a process for the preparation thereof, to the use thereof in liquid-crystalline media, to liquid-crystalline media comprising at least one compound of the formula I, and to electro-optical displays containing a liquid-crystalline medium of this type.

Abstract: The invention provides a compound represented by formula (1). In the formula (1), R1 is hydrogen, methyl or ethyl; X1 is a single bond, —O— or —OCO—; X2 is a single bond, —O—, —COO— or —OCO—; A1 and A2 are each independently a divalent aromatic ring or a divalent cyclohexane ring, and in these rings, arbitrary hydrogen may be replaced by halogen, alkyl having 1 to 3 carbons or halogenated alkyl having 1 to 3 carbons; Z1 is independently a single bond, —O—, —S—, —COO—, —OCO—, —CH2O—, —OCH2—, —CH?CH—COO—, —OCO—CH?CH—, —CH2CH2—COO—, —OCO—CH2CH2—, —CON(R)— or —N(R)CO—; R is hydrogen or methyl; Y is a terpenoid residue or a steroid residue; m is an integer from 0 to 20; and n is an integer from 0 to 3.

Abstract: Provided are a liquid crystal composition containing, as a first component, a polymerizable compound represented by general formula (I): and a liquid crystal display element using the liquid crystal composition.

Abstract: A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that 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 nematic phase, wherein the first component contains a specific five rings compound having a large optical anisotropy and a large dielectric anisotropy, the second component contains a specific compound having a low viscosity. The liquid crystal display device contains the liquid crystal composition having a nematic phase and the composition thereof.

Abstract: The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which contains at least one compound of the formula I and at least one compound of the formula II in which R1, R2, R3, R4, ring A, Z1, Z2 and m are as defined in Claim 1, and to the use thereof for an active-matrix display based on the ECB, VA, PS-VA, FFS, PALC or IPS effect.

Abstract: A polymerizable liquid crystal compound shown by the following formula, a polymerizable liquid crystal composition that includes the polymerizable liquid crystal compound and a chiral compound polymerizable with the polymerizable liquid crystal compound, a liquid crystalline polymer obtained by polymerizing the polymerizable liquid crystal compound or the polymerizable liquid crystal composition, and an optically anisotropic article that includes the liquid crystalline polymer, are disclosed.

Abstract: Provided are liquid crystal compounds and mixtures incorporating the same. The liquid crystal compounds of the invention generally comprise a terminal cyclopentene group, along with at least two other ring groups.

Abstract: Subject The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two or more characteristics. The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth.

Abstract: To provide a novel liquid crystal compound having general physical properties necessary for the compound, namely, stability to heat, light and so forth, a wide temperature range of a liquid crystal phase, a high clearing point, a good compatibility with other compounds, a large refractive index anisotropy, a large dielectric anisotropy and a small viscosity. The liquid crystal compound is provided as compound (1): wherein, for example, R1 is alkyl having 1 to 20 carbons; ring A1 and ring B1 are 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z2 are a single bond, —CH2CH2—, —CH?CH— or —C?C—; L1 is fluorine; L2, Y1 and Y2 are hydrogen, fluorine or chlorine; and X1 is halogen, —C?N or alkyl having 1 to 10 carbons, and in the alkyl, arbitrary —CH2— may be replaced by —O— or —S—, and m is 1 and n is 0.

Abstract: An object is to provide a liquid crystal composition which exhibits a blue phase in a wide temperature range. Another object is to provide a liquid crystal composition which exhibits a blue phase, with which high contrast can be provided, in a liquid crystal display device. A liquid crystal composition which exhibits a blue phase includes: a nematic liquid crystal including a compound represented by a structural formula (100) (PPEP-5FCNF (abbreviation)); and a chiral agent. In a liquid crystal display device, a liquid crystal layer is formed using the liquid crystal composition including a nematic liquid crystal including a compound represented by a structural formula (100) (PPEP-5FCNF (abbreviation)) and a chiral agent, and the liquid crystal composition exhibits a blue phase.

Abstract: Provided are a liquid crystal composition containing, as a first component, a polymerizable compound represented by general formula (I): R11—S11-L11-(M11-L12)m-M12-L13-(M13-L14)n-Z11??(I) and a liquid crystal display element using the liquid crystal composition.

Abstract: A liquid crystalline thermoset oligomer or polymer including a structural unit of Chemical Formulae 1 and 2; and a functional group of Chemical Formula A,

Abstract: Provided is a wholly aromatic liquid crystalline polyester resin compound having excellent electrical insulating properties, heat resistance, and mechanical strength due to the inclusion of an inorganic filler having low electrical conductivity, high heat resistance, and high mechanical strength.

Abstract: The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light, a high stability to heat and a large elastic constant, or that is suitably balanced regarding at least two of the characteristics. The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth.

Abstract: The subject is to provide a liquid crystal that has a high stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K33, and further has a large negative dielectric anisotropy and an excellent compatibility with any other liquid crystal compound. The invention provides the compound (1): wherein, for example, R1 and R2 are hydrogen, alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons or alkenyloxy having 2 to 9 carbons; when one of the ring A1, the ring A2 and the ring A3 is 1,4-phenylene or 2,3-difluoro-1,4-phenylene, the other two are 1,4-cyclohexylene or 1,4-cyclohexenylene; and Z1 is a single bond, —(CH2)2—, —CH2O—, —OCH2—, —COO— or —OCO—.

Abstract: Defective display by a liquid crystal display device is reduced. In a liquid crystal composition which contains a liquid crystal material exhibiting a blue phase and has a transmission spectrum with a single peak in a temperature range where the liquid crystal material exhibits a blue phase, it is found that the blue phase of the liquid crystal material can be stabilized in a wide temperature range by polymer stabilization treatment. Thus, the liquid crystal composition allows the polymer stabilization treatment to be achieved in a wider temperature range. This makes it possible to reduce defective orientation in a composite of polymer and liquid crystal formed by subjecting the liquid crystal composition to the treatment. As a result, it is possible to reduce defective display by a liquid crystal display device which includes the composite of polymer and liquid crystal.

Abstract: The present invention relates to compounds represented by the following Formula Ia, in which each R1-R6 can in each case be independently selected from hydrogen or hydrocarbyl (e.g., methyl); R7 is a multivalent linking group, such as L1 is a divalent linking group, such as a bond or divalent optionally substituted hydrocarbyl; each L2 independently represents a flexible segment, such as divalent linear or branched C1-C25 alkyl; each L3 independently represents a rigid segment including, for example, optionally substituted phenylen-1,4-diyl groups; t is from 1 to 4; m and p are each independently from 0 to 4 for each t, provided that the sum of m and p is at least 1 for each t; and E can be hydrogen or optionally substituted hydrocarbyl. The present invention also relates to compositions, such as liquid crystal compositions, and articles, such as optical elements, that include the compound represented by Formula Ia.

Abstract: Provided are a liquid crystal composition containing, as a first component, a polymerizable compound represented by general formula (I): (Z11)m11-M11-(L11-M12)n11-COO-(M13-L12)n12-M14-(Z12)m12??(I) and a liquid crystal display element using the liquid crystal composition.