Abstract: A first object of the present invention is to provide a liquid crystalline composition capable of forming a film having excellent light resistance and also having excellent alignment properties of a liquid crystal compound in the film. In addition, a second object of the present invention is to provide a cured product obtained from the liquid crystalline composition, an optically anisotropic layer, an optical element, and a light guide element. The liquid crystalline composition of the present invention is a liquid crystalline composition containing a compound A and an antioxidant, in which the compound A is a compound having a partial structure represented by Formula (I), in a case where the compound A exhibits liquid crystallinity and the composition does not contain a liquid crystal compound B having a structure different from a structure of the compound A, a distance ?HSP between a HSP value of the antioxidant and a HSP value of the compound A is 10.5 MPa0.

Abstract: Provided is an optically anisotropic layer formed of a liquid crystal compound, which includes first and second layers in direct contact along a thickness direction, an alignment state of the liquid crystal compound in the first layer is different from the second layer, and the optically anisotropic layer satisfies a relationship of Expression (2A) Xmax/Xmin<1.10 where a region within a square having a largest size that can be drawn on a surface of the optically anisotropic layer is subdivided into 64 square-shaped sub-regions having the same area, a thickness d1 of the first layer and a thickness d2 of the second layer at a center position of the sub-region are obtained, X represented by Expression (1) X=d1/(d1+d2) for each sub-region is calculated, and among the calculated 64 X's, a maximum value is defined as Xmax and a minimum value is defined as Xmin.

Abstract: A first object of the present invention is to provide a laminate having excellent light resistance. In addition, a second object of the present invention is to provide an optical element including the laminate and a light guide element.

Abstract: A method for manufacturing a honeycomb structure containing silicon carbide, including blending a recycled raw material derived from a material constituting a first honeycomb structure containing silicon carbide in a process after firing as a part of an initial raw material for a second honeycomb structure containing silicon carbide, wherein the initial raw material comprises silicon carbide and metallic silicon; and the recycled raw material is a powder recovered from the material constituting the first honeycomb structure containing silicon carbide in the process after firing, and after the recovering, a particle size is adjusted so that a 10% diameter (D10) is 10 ?m or more and a 50% diameter (D50) is 35 ?m or less when a cumulative particle size distribution on a volume basis is measured by a laser diffraction/scattering method.

Abstract: Provided are a backlight unit and a liquid crystal display device including the backlight unit, the backlight unit being capable of switching between viewing angles in the liquid crystal display device and having a configuration in which the brightness values of emitted light on the “+” side and the “?” side at a polar angle with respect to the normal line are symmetric to each other.

Abstract: A learning device generates a first learned model by subjecting a learning model to learning such that a correlation coefficient between a first explanatory variable for learning and an explained variable output from the learning model is maximized when the learning model that outputs an explained variable in a case where an explanatory variable is input is subjected to learning on the basis of first learning data representing a pair of the first explanatory variable for learning and a first explained variable for learning. When the first learned model is subjected to relearning on the basis of the second learning data representing the pair of the second explanatory variable for learning and the second explained variable for learning, the learning device generates the second learned model by subjecting the first learned model to relearning such that the error between the second explained variable for learning and the explained variable output from the first learned model is minimized.

Abstract: A compound represented by the General Formula (I) as defined herein, in which, in the General Formula (I), P1 and P2 each independently represent a hydrogen atom, —CN, —NCS, or a polymerizable group, Sp1 and Sp2 each independently represent a single bond or a divalent linking group as defined herein, Z1, Z2 and Z3 each independently represent a particular linking group as defined herein, X1 and X2 each independently represent a single bond or —S as defined herein, k represents an integer of 2 to 4, m and n each independently represent an integer of 0 to 3 as defined herein, A1, A2, A3, and A4 each independently represent a particular group as defined herein is provided.

Abstract: The present invention provides a compound having an excellent rate of change in HTP due to exposure. The present invention further provides a composition formed of the compound, a cured product, an optically anisotropic body, and a reflective film. The compound of the present invention is a compound represented by General Formula (1).

Abstract: The present invention provides a compound having an excellent amount of change in HTP and an excellent HTP saturation rate during exposure, and a liquid crystal composition including the compound. The compound of the present invention is a compound represented by General Formula (A). (Y)n-G-(X)m?? (A) G represents a group represented by General Formula (B-1) or a group represented by General Formula (B-2), * represents a bonding position, and X and Y represent a predetermined group.

Abstract: There is provided a compound represented by General Formula (I), a composition containing the compound represented by General Formula (I), a cured product, an optically anisotropic body, an optical element, and a light guide element. P1 and P2 each independently represent a hydrogen atom, —CN, —NCS, or a polymerizable group. Sp1 and Sp2 each independently represent a single bond or a specific linking group, Z1 represents a specific linking group. However, two or more Z1's represent —C?C—. Two Z's bonded to A2 in —Z-A2-Z— in General Formula (I) do not represent —C?C—. A1 and A2 each independently represent a specific group. A plurality of A2's may be the same or different from each other. n represents an integer of 3 to 7.

Abstract: A compound represented by General Formula (I), A1 to A4 each independently represent a non-aromatic ring group, an aromatic hydrocarbon ring group, or an aromatic heterocyclic group, which may have a substituent, Z represents —O—, —S—, —CHRCHR—, —OCHR—, —CHRO—, —CO—, —SO—, —SO2—, —COO—, —OCO—, —CO—S—, —S—CO—, —O—CO—O—, —SCHR—, —CHRS—, —SO—CHR—, —CHR—SO—, —SO2—CHR—, —CHR—SO2—, —CF2O—, —OCF2—, —CF2S—, —SCF2—, —OCHRCHRO—, —SCHRCHRS—, —SO—CHRCHR—SO—, —SO2—CHRCHR—SO2—, —CH?CH—COO—, —CH?CH—OCO—, —COO—CH?CH—, —OCO—CH?CH—, —COO—CHRCHR—, —OCO—CHRCHR—, —CHRCHR—COO—, —CHRCHR—OCO—, —COO—CHR—, —OCO—CHR—, —CHR—COO—, —CHR—OCO—, —CR?CR—, —CR?N—, —N?CR—, —N?N—, —CR?N—N?CR—, —CF?CF—, —C?C—, or a single bond, R represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and m1 represents an integer of 2 to 7.

Abstract: There is provided a compound represented by General Formula (I), a composition containing the compound represented by General Formula (I), a cured product, an optically anisotropic body, an optical element, and a light guide element. P1 and P2 each independently represent a hydrogen atom, —CN, —NCS, or a polymerizable group. However, at least one of P1 or P2 represents a polymerizable group. Sp1 and Sp2 each independently represent a specific group. A1, A2, A3, and A4 each independently represent an aromatic hydrocarbon ring group or aromatic heterocyclic group which may have a specific substituent. Z1 and Z2 each independently represent a specific linking group or a single bond. B1 represents a group represented by a specific formula. n1 and n2 each independently represent an integer of 0 to 2.

Abstract: A compound has an excellent rate of change in HTP caused by exposure. A liquid crystal composition is formed of the compound. A cured product, an optically anisotropic body, and a reflective film can be obtained by curing the liquid crystal composition.

Abstract: An object is to provide a distance measurement device capable of receiving measurement light reflected by an object by responding to a wide angle range with a high S/N ratio. The object is achieved by the distance measurement device including: an infrared light source; a light receiving section that receives an infrared ray emitted from the light source and reflected by an object; and a band-pass filter (BPF) member that is disposed on a light-receiving surface side of the light receiving section and through which the infrared ray is transmitted, in which the BPF member includes a BPF and a refraction member that is disposed in contact with the BPF and refracts the infrared ray.

Abstract: A compound having an excellent rate of change in HTP caused by exposure is achieved and is represented by General Formula (1). In addition, a composition is formed of the compound, and a cured product, an optically anisotropic body, or a reflective film is obtained by curing the composition.

Abstract: A method, a program, and a method determining hypermutated type cancer with higher accuracy than before is provided.

Abstract: Regarding an optical element that includes an optically-anisotropic layer having a liquid crystal alignment pattern where a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, an object of the present invention is to provide a liquid crystal composition with which an optical element having an excellent diffraction efficiency can be prepared, and an optical element and a light guide element. The liquid crystal composition according to the present invention includes a rod-like liquid crystal compound and a disk-like liquid crystal compound, and a ratio between a twist elastic constant K22 and a splay elastic constant K11 of the liquid crystal composition satisfies 0.7?K22/K11.

Abstract: The present invention provides an optically anisotropic layer which has a plurality of regions in which alignment states of a liquid crystal compound are different in a thickness direction and in which peeling is unlikely to occur in the layer. The optically anisotropic layer of the present invention is an optically anisotropic layer formed of a liquid crystal compound, in which the optically anisotropic layer contains a leveling agent and satisfies a predetermined requirement in a profile of a secondary ion intensity derived from the leveling agent in a depth direction, which is obtained by analyzing components of the optically anisotropic layer in a depth direction by time-of-flight secondary ion mass spectrometry while irradiating the optically anisotropic layer with an ion beam from one surface of the optically anisotropic layer to the other surface of the optically anisotropic layer.

Abstract: Provided is an optical film with a resin substrate adhered to an optically anisotropic layer and suppression of occurrence of optical defects in the optically anisotropic layer. The optical film has a resin substrate having an alignment regulating force and an optically anisotropic layer arranged thereon, in which the optically anisotropic layer contains a liquid crystal compound and a compound having a heteroatom different from the liquid crystal compound, and in a case where a surface of the optical film on an optically anisotropic layer side thereof is a first surface and a surface of the optical film on a resin substrate side thereof is a second surface, and components of the optical film in a depth direction are analyzed by time-of-flight secondary ion mass spectrometry while irradiating the optical film with an ion beam from the first surface toward the second surface, the obtained profile satisfies a predetermined requirement.

Abstract: An optically anisotropic film is formed of a liquid crystal composition including a liquid crystal compound and has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction of the optically anisotropic film, and the optically anisotropic film satisfies predetermined requirements.