Abstract: A biological information measurement device includes a pulse acquisition mechanism configured to detect a pulse of a human body, a pulse interval calculation mechanism configured to calculate, based on the pulse, a pulse interval between one beat and a beat immediately before the one beat, and a display mechanism configured to display a level indicator visually indicating at least one of the pulse interval or an amount of change from another pulse interval immediately before the pulse interval. The level indicator indicates, per beat of the pulse detected, the pulse interval or the amount of change.

Abstract: A power converter includes a capacitor, a substrate on which a plurality of switching elements for power conversion are mounted, a housing that accommodates the substrate, and a plurality of lines. Each line is electrically connected to the capacitor and many of the plurality of switching elements. At least one line among the plurality of lines includes a conductive pattern formed on the substrate.

Abstract: A vibration generating device includes a housing; a movable body housed in the housing; a support configured to support the movable body so as to be vibratable; a bracket that includes a main plate and an attachment plate extending from the main plate, and is attached to the housing via the attachment plate; a coil attached to the main plate; and a permanent magnet attached to the movable body and configured to generate a magnetic flux toward the coil.

Abstract: A friction member according to an embodiment is a friction material having a copper content of less than 5 wt %, the friction material including a titanic acid salt having a content of 1 wt % or more and 8 wt % or less, a cryolite powder having a content of 0.5 wt % or more and 5 wt % or less, and an iron oxide powder having a median diameter of 15 to 30 ?m (D50) and a content of 1 wt % or more and 10 wt % or less.

Abstract: Provided are a liquid crystal diffraction element, an image display apparatus, and a head mounted display where occurrence of a ghost in a head mounted display such as VR glasses can be suppressed.

Abstract: Provided is a diffraction element having excellent aligning properties of a liquid crystal compound. The diffraction element includes an optically-anisotropic layer that has a liquid crystal alignment pattern in which an orientation of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, in which a birefringence ?n of the optically-anisotropic layer is 0.

Abstract: Provided are a beam combiner that can form a fine and clear interference pattern, a method of forming an alignment film in which a fine and clear alignment pattern can be obtained, and a method of manufacturing an optical element including a fine and clear liquid crystal alignment pattern. The beam combiner element includes: a beam combiner element that emits light where right/left circularly polarized light components are combined; a polarization separating element that separates incidence light into two right or left circularly polarized light components; and a light control element that focuses or diffuses light and is provided on at least one optical path of circularly polarized light incident into the beam combiner element, in which an absolute value of an ellipticity of circularly polarized light emitted from the beam combiner element is 0.8 or more.

Abstract: Provided are a liquid crystal diffraction element, an image display apparatus, and a head mounted display where occurrence of a ghost in a head mounted display such as VR glasses can be suppressed.

Abstract: Provided are an optical element having a high diffraction efficiency of transmitted light and an image display apparatus formed of the optical element.

Abstract: Provided is a polymerizable liquid crystal composition with which an image display device having an excellent contrast can be manufactured; and a cured product, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a compound represented by Formula (I). L1-SP1-D5-(A1)a1-D3-(G1)g1-D1-[Ar-D2]q1-(G2)g2-D4-(A2)a2-D6-SP2-L2 . . . (I), and a compound represented by Formula (II), L5-SP5-D9-(A5)a3-D10-(G3)g3-D11-M . . . (II).

Abstract: [Object] Provided are a 11C-labeled acyclic retinoid that can be synthesized in a short time with a high yield and can be suitably used for PET for elucidating intracerebral kinetics, a PET probe using it, and methods for producing them. [Solution] The 11C-labeled acyclic retinoid of the present invention is characterized by being represented by the following chemical formula (a). This compound can be produced by a coupling step of cross-coupling a methyl iodide labelled with 11C and the following organotin compound (b) (provided that in the formula, R1 and R2 represent alkyl groups which may have a branch) in an aprotic solvent in the presence of a palladium complex, a phosphine ligand, and a cuprous halide.

Abstract: The present invention provides a liquid crystal display device having excellent display quality and suppressed occurrence of halo. The liquid crystal display device of the present invention is a liquid crystal display device including, in the following order, a first polarizer, a liquid crystal cell, a second polarizer, and a direct type backlight that uses a point light source, in which a light control member is further provided between the second polarizer and the direct type backlight, and the liquid crystal display device satisfies relationships of the following Expression (1) 70%?(I20/I0)×100?90%, Expression (2) 10%?(I40/I0)×100?35%, and Expression (3) 1%?(I60/I0)×100?20%.

Abstract: A flavor inhaler comprising: a tubular holder that extends from a mouthpiece end to a distal end; a combustion type heat source that is provided at the distal end, contains activated carbon, and carries a first flavorant; and a flavor source that is held in the holder and carries a second flavorant, wherein the first flavorant contains at least one selected from the group consisting of anethole, 2-pinene, 3-citronellol, linalyl acetate, limonene, anisaldehyde, 4-terpineol, 2-?-pinene, jasmone, sabinene, linalool, 1,8-cineole, phenethyl alcohol, and myristicin, and the second flavorant contains at least one selected from the group consisting of ?-terpinene, ?-terpinene, nerol, geraniol, and decanal.

Abstract: The present invention provides a liquid crystal display device having excellent display quality and suppressed occurrence of halo. The liquid crystal display device of the present invention is a liquid crystal display device including, in the following order, a first polarizer, a liquid crystal cell, a second polarizer, and a direct type backlight that uses a point light source, in which a light control member is further provided between the second polarizer and the direct type backlight, and the liquid crystal display device satisfies relationships of the following Expression (1) 70%?(I20/I0)×100?90%, Expression (2) 10%?(I40/I0)×100?35%, and Expression (3) 1%?(I60/I0)×100?20%.

Abstract: A flavor inhaler includes a tubular holder that extends from a mouthpiece end toward a distal end, a flavor source that is provided in the holder, and a combustion type heat source that is provided at the distal end, and includes a protruding portion protruding from the distal end and a flavorant carried on the protruding portion.

Abstract: An object of the present invention is to suppress blow holes in welding using tough pitch copper. A welding method includes a first step of heating at least a portion of a first conductor and a second conductor containing copper, and a second step of adding a filler metal containing phosphorus while melting the first conductor and the second conductor so that a phosphorus content rate in a welded portion at which an end portion of the first conductor and an end portion of the second conductor are connected to each other is equal to or more than 0.1%.

Abstract: Provided is an optically anisotropic layer having an excellent surface condition, with which an image display device having an excellent contrast can be manufactured; and an optical film, a polarizing plate, and an image display device, each having the optically anisotropic layer. The optically anisotropic layer is obtained by immobilizing a polymerizable liquid crystal composition including a polymerizable rod-shaped liquid crystal compound exhibiting a liquid crystal state of a smectic phase and an additive in a liquid crystal state of a smectic phase, in which a molecular length A (?) of the polymerizable rod-shaped liquid crystal compound, a layer interval B (?) of the smectic phase of the optically anisotropic layer, and a molecular length C (?) of the additive satisfy a relationship of Expression (1-1), 0.5×B?C?0.6×A . . . (1-1).

Abstract: Provided is an optically anisotropic layer in which the occurrence of a haze is suppressed and a winding aptitude is excellent; and an optical film, a polarizing plate, and an image display device, each having the optically anisotropic layer. The optically anisotropic layer is obtained by polymerizing a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound, in which in a case where an amplitude value at each wavelength determined by subjecting data of a three-dimensional surface roughness to a Fourier transform is defined as L, the amplitude value L at a wavelength of 5.0 ?m or more is 0.125 or more, and the amplitude value L at a wavelength of 2.0 to 2.5 ?m is 0.025 or less.

Abstract: The present invention provides a method for introducing substituents into the ?-position and the ?-position of an ?,?-unsaturated ketone, which not only can be used for the synthesis of a prostaglandin by a three-component coupling process, but also enables synthesis of a prostaglandin in a high yield by one-pot operation without requiring the use of a large excess amount of any of the three components required for the synthesis or using a highly toxic heavy metal as a catalyst or a solvent that is highly toxic to living bodies, and a method for synthesizing a prostaglandin using the same technical means.

Abstract: Provided is a polymerizable liquid crystal composition with which an image display device having an excellent contrast can be manufactured; and a cured product, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a compound represented by Formula (I). L1-SP1-D5-(A1)a1-D3-(G1)g1-D1-[Ar-D2]q1-(G2)g2-D4-(A2)a2-D6-SP2-L2 . . . (I), and a compound represented by Formula (II), L5-SP5-D9-(A5)a3-D10-(G3)g3-D11-M . . . (II).