Abstract: The liquid crystal display device of the disclosure has: a first substrate; a plurality of pixel electrodes formed on the first substrate; a second substrate; a counter electrode formed on the second substrate and facing the pixel electrode; a liquid crystal layer including a liquid crystal composition between the pixel electrode and the counter electrode; and an alignment control layer formed of a polymer containing an alignable monomer that is one component of the liquid crystal composition, in which the alignment control layers are each formed on a side of the first substrate and on a side of the second substrate. The alignable monomer is a polymerizable polar compound having a mesogen moiety formed of at least one ring, and a polar group.

Abstract: A liquid crystal composition including liquid crystalline compounds, polymerizable compounds, and dichroic dyes in which the polymerizable compound includes at least one compound represented by Formula (1), R11-MES-Sp11-P11??(1) in Formula (1), R11 is an alkyl group having 1 to 15 carbon atoms; MES is a mesogenic group having at least one ring, and in the ring in MES, at least one hydrogen atom is optionally substituted with -Sp11-P11; Sp11 is a single bond or an alkylene group having 1 to 10 carbon atoms, and in this alkylene group, at least one —CH2— is optionally substituted with —O—, —CO—, —COO—, —OCO—, or —OCOO—, and at least one —(CH2)2— is optionally substituted with —CH?CH— or —C?C—, and in these groups, at least one hydrogen atom is optionally substituted with a polymerizable group; P11 is a polymerizable group or a polar group, or a group having both polymerization and polarity.

Abstract: The purpose of the invention is to control, by using a colorless alignment control monomer, the alignment of liquid crystal molecules of a liquid crystal display element that does not include an alignment film, and to provide a liquid crystal composition with which the colorless alignment control monomer exhibits excellent compatibility. The invention uses a liquid crystal display element that comprises an alignment control monomer including an aromatic ester that undergoes photo-Fries rearrangement by light irradiation, and that employs a liquid crystal composition having a negative dielectric anisotropy. The invention also uses the liquid crystal composition.

Abstract: The purpose of the invention is to control, by using a colorless alignment control monomer, the alignment of liquid crystal molecules of a liquid crystal display element that does not include an alignment film, and to provide a liquid crystal composition with which the colorless alignment control monomer exhibits excellent compatibility. The invention uses a liquid crystal display element that comprises an alignment control monomer including an aromatic ester that undergoes photo-Fries rearrangement by light irradiation, and that employs a liquid crystal composition having a positive dielectric anisotropy. The invention also uses the liquid crystal composition.

Abstract: Provide is a polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when the compound is used in a liquid crystal display device. A compound represented by formula (1) is applied. For example, in formula (1), P1 is any one of formulas (1b) to (1i), Sp is a single bond, Z is —COO—, and A is 1,4-phenylene.

Abstract: Shown is a compound represented by formula (1). For example, R1 is alkyl having 1 to 15 carbons; MES is a mesogen group having at least one ring; Sp1 is a single bond or alkylene having 1 to 10 carbons; M1 is methyl; and R2, M2 and M3 are hydrogen.

Abstract: A nematic liquid crystal composition has negative dielectric anisotropy and contains at least one polar compound selected from the group of compounds represented by formula (1) as a first additive, and the liquid crystal display device includes the composition. In formula (1), R1 is hydrogen, halogen, alkyl having 1 to 12 carbons or the like; R2 is a group represented by —OH, —OR0, —NH2, —NHR0 or —N(R0)2, in which R0 is alkyl having 1 to 5 carbons; ring A and ring B are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z1 is a single bond or the like; Sp1 and Sp2 are independently a single bond, alkylene having 1 to 7 carbons or the like; and a is 0 to 4.

Abstract: A method for manufacturing a liquid crystal display device using a liquid crystal composition containing a polar compound having a polymerizable group. Upon manufacturing the liquid crystal display device including a pair of substrates that have no alignment film and arranged to face each other, and including a liquid crystal composition containing a liquid crystal compound and a polymerizable compound as a liquid crystal layer formed between the substrates formed of an electrode group formed on either one or both of surfaces faced by each of the pair of substrates, in which at least one of the polymerizable compounds is a compound having a polar anchor group, wherein the polymerizable compound is allowed to react under conditions of 10 or more in an accumulated light quantity ratio (313 nm/254 nm) at 254 nanometers and 313 nanometers to form an alignment control layer.

Abstract: Compound (1) is provided. R1-MES-Sp1-P1??(1) In compound (1), R1 is alkyl having 1 to 15 carbons; MES is a mesogen group having an at least one ring; Sp1 is a single bond or alkylene having 1 to 10 carbons, and in the alkylene, at least one hydrogen is replaced by group (1a); P1 is group (1e) or (1f); wherein, M1, M2, M3 and M4 are hydrogen; Sp2 and Sp3 are a single bond or alkylene having 1 to 10 carbons; R2 is alkyl having 1 to 15 carbons; R3 is group (1g), (1h) or (1i); wherein, Sp4 and Sp5 are a single bond or alkylene having 1 to 10 carbons; S1 is >CH—, and S2 is >C<; and X is —OH.

Abstract: Provided is a polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when used in a liquid crystal display device. The compound is represented by formula (1): in which, for example, R1 is alkyl having 1 to 15 carbons; MES is a mesogen group having at least one ring; Sp1 is a single bond or alkylene having 1 to 10 carbons; M1 and M2 are hydrogen; and R2 is a group represented by formulas (1a) to (1c): in which, Sp2 and Sp3 are a single bond or alkylene having 1 to 10 carbons; S1 is >CH—; S2 is >C<; and X1 is —OH.

Abstract: A method for manufacturing a liquid crystal display device using a liquid crystal composition containing a polar compound having a polymerizable group. Upon manufacturing the liquid crystal display device including a pair of substrates that have no alignment film and arranged to face each other, and including a liquid crystal composition containing a liquid crystal compound and a polymerizable compound as a liquid crystal layer formed between the substrates formed of an electrode group formed on either one or both of surfaces faced by each of the pair of substrates, in which at least one of the polymerizable compounds is a compound having a polar anchor group, wherein the polymerizable compound is allowed to react under conditions of 10 or more in an accumulated light quantity ratio (313 nm/254 nm) at 254 nanometers and 313 nanometers to form an alignment control layer.

Abstract: A liquid crystal composition including liquid crystalline compounds, polymerizable compounds, and dichroic dyes in which the polymerizable compound includes at least one compound represented by Formula (1), R11-MES-Sp11-P11??(1) in Formula (1), R11 is an alkyl group having 1 to 15 carbon atoms; MES is a mesogenic group having at least one ring, and in the ring in MES, at least one hydrogen atom is optionally substituted with -Sp11-P11; Sp11 is a single bond or an alkylene group having 1 to 10 carbon atoms, and in this alkylene group, at least one —CH2— is optionally substituted with —O—, —CO—, —COO—, —OCO—, or —OCOO—, and at least one —(CH2)2— is optionally substituted with —CH?CH— or —C?C—, and in these groups, at least one hydrogen atom is optionally substituted with a polymerizable group; P11 is a polymerizable group or a polar group, or a group having both polymerization and polarity.

Abstract: Provide is a polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when the compound is used in a liquid crystal display device. The problem is solved by a compound represented by formula (1). For example, R1 is alkyl having 1 to 15 carbons; rings A1 to A5 are cyclohexylene or phenylene; Z1, Z4 and Z5 are a single bond or alkylene having 1 to 10 carbons; a, b and c are 0 to 4; d and e are 1 to 4; P2 and P3 are a polymerizable group; and Sp2 and Sp3 are a single bond or alkylene having 1 to 10 carbons.

Abstract: Shown are a liquid crystal composition having capability of achieving vertical alignment of liquid crystal molecules by action of a polymer, and a liquid crystal display device including the composition. A nematic liquid crystal composition has negative dielectric anisotropy and contains at least one polar compound selected from the group of compounds represented by formula (1) as a first additive, and the liquid crystal display device includes the composition. In formula (1), R1 is hydrogen, halogen, alkyl having 1 to 12 carbons or the like; R2 is a group represented by —OH, —OR0, —NH2, —NHR0 or —N(R0)2, in which R0 is alkyl having 1 to 5 carbons; ring A and ring B are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z1 is a single bond or the like; Sp1 and Sp2 are independently a single bond, alkylene having 1 to 7 carbons or the like; and a is 0 to 4.

Abstract: Shown is a compound represented by formula (1). For example, R1 is alkyl having 1 to 15 carbons; MES is a mesogen group having at least one ring; Sp1 is a single bond or alkylene having 1 to 10 carbons; M1 is methyl; and R2, M2 and M3 are hydrogen.

Abstract: A compound represented by formula (1). For example, R1, R2 and R3 are alkyl having 1 to 15 carbons; ring A1 and ring A3 are cyclohexyl or phenyl, ring A2 is 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z2 are a single bond or alkylene having 1 to 10 carbons; a is 0, 1, 2, 3 or 4; c, d and e are 0, 1, 2, 3 or 4; and P1 to P3 are a polymerizable group represented by formula (P-1); wherein M1 and M2 are hydrogen or alkyl having 1 to 5 carbons; and R4 is a polar group represented by formulas (1a) to (1c); wherein Sp5 and Sp6 are a single bond or alkylene having 1 to 10 carbons; S1 is >CH—, and S2 is >C<; and X1 is —OH.

Abstract: Provided is a polar compound that has high chemical stability and high capability of aligning liquid crystal molecules, and has a large voltage holding ratio when used in a liquid crystal display device. The compound represented by formula (1) is applied. For example, R1 is alkyl having 1 to 15 carbons; rings A1 to A5 are 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z5 are a single bond or alkylene having 1 to 10 carbons; a and b are 0 to 4, and a sum of a and b is 4 or less; d is 1 to 4; c and e are 0 to 4; P1 to P3 are a polymerizable group represented by formulas (P-1) to (P-5): in which M1 to M3 are hydrogen or alkyl having 1 to 5 carbons; and R2 is a group represented by formulas (1a) to (1c): in which Sp1 to Sp5 are a single bond or alkylene having 1 to 10 carbons; S1 is >CH—; S2 is >C<; and X1 is —OH.

Abstract: Provided is a polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when used in a liquid crystal display device. The compound is represented by formula (1): in which, for example, R1 is alkyl having 1 to 15 carbons; MES is a mesogen group having at least one ring; Sp1 is a single bond or alkylene having 1 to 10 carbons; M1 and M2 are hydrogen; and R2 is a group represented by formulas (1a) to (1c): in which, Sp2 and Spa are a single bond or alkylene having 1 to 10 carbons; S1 is >CH—; S2 is >C<; and X1 is —OH.