Abstract: An object of the present invention is to provide a polarizer having a high degree of alignment and an image display device including the polarizer. A polarizer of the present invention is a polarizer formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the polarizer has an array structure formed of the first dichroic material and the second dichroic material.

Abstract: A method for manufacturing a light-emitting element includes providing the light-emitting element that includes a light-emitting layer with an emission wavelength of not more than 306 nm and a p-type layer including AlGaInN including Mg as an acceptor, and removing hydrogen in the p-type layer from the light-emitting element by irradiating the light-emitting element with ultraviolet light at a wavelength of not more than 306 nm from outside and treating the light-emitting element with heat in a state in which a reverse voltage, or a forward voltage lower than a threshold voltage of the light-emitting element, or no voltage is applied to the light-emitting element. The removing of hydrogen in the p-type layer from the light-emitting element is performed in a N2 atmosphere at not less than 650° C. or in a N2+O2 atmosphere at not less than 500° C.

Abstract: Provided is an optically anisotropic film, an optical film, and a display device, which have a high contrast and excellent light fastness. The optically anisotropic film includes a liquid crystal compound and a dichroic substance, in which the liquid crystal compound is vertically aligned, the dichroic substance forms an arrangement structure, and in a case where, in a cross section observed with a scanning transmission electron microscope, a length of a major axis of the arrangement structure is defined as L, and a length of a minor axis of the arrangement structure is defined as D, 16 or more arrangement structures satisfying L?30 nm are observed per 40 ?m2.

Abstract: The present invention provides a lithium-based solid electrolyte excellent in ion conductivity, an inorganic solid electrolyte, a production method for a lithium-based solid electrolyte, a modified positive electrode active material, a modified negative electrode active material, an all-solid state secondary battery, an electrode sheet for an all-solid state secondary battery, a solid electrolyte sheet, and an electrode for an all-solid state secondary battery. The lithium-based solid electrolyte according to the present invention contains lithium tetraborate in a noncrystalline state, water, and a lithium salt.

Abstract: A polarizer with a high degree of alignment and an image display device including the polarizer. The polarizer is formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the polarizer has an array structure formed of the first dichroic material and an array structure formed of the second dichroic material.

Abstract: Provided are a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound and a dichroic material, in which the liquid crystal compound and the dichroic material are horizontally aligned, and in an X-ray diffraction spectrum of the polarizer, at least one of a plurality of peaks observed in a diffraction angle range of 17° or less is a peak A in which an interval of a periodic structure corresponding to the at least one peak does not have an integer multiple relationship with an interval of a periodic structure corresponding to at least one of other peaks.

Abstract: The present invention provides boron nitride particles that can be used for preparation of a thermally conductive material having excellent thermally conductive properties and peel strength. In addition, the present invention provides a composition for forming a thermally conductive material, a thermally conductive material, a thermally conductive sheet, and a device with a thermally conductive layer, in relation to the boron nitride particles. In the boron nitride particles of the present invention, an atomic concentration ratio of oxygen atomic concentration to boron atomic concentration on a surface, detected by X-ray photoelectron spectroscopy, is 0.12 or greater, and a D value obtained by Equation (1) is 0.010 or less.

Abstract: Provided is a liquid crystal composition capable of forming a light absorption anisotropic film with excellent light resistance, a dichroic material, a light absorption anisotropic film, a laminate, and an image display device. The liquid crystal composition contains a liquid crystal compound and a dichroic material having a structure represented by Formula (1).

Abstract: Provided is a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer is formed of a polarizer-forming composition containing a polymer liquid crystal compound and a dichroic material, in which the polymer liquid crystal compound is a thermotropic liquid crystal and a crystalline polymer, the polymer liquid crystal compound and the dichroic material are horizontally aligned, and crystallinity of the polymer liquid crystal compound in the polarizer-forming composition is higher than the crystallinity of the polymer liquid crystal compound alone.

Abstract: Provided are a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound and a dichroic material, in which the liquid crystal compound and the dichroic material are horizontally aligned, and in an X-ray diffraction spectrum of the polarizer, at least one of a plurality of peaks observed in a diffraction angle range of 17° or less is a peak A in which an interval of a periodic structure corresponding to the at least one peak does not have an integer multiple relationship with an interval of a periodic structure corresponding to at least one of other peaks.

Abstract: A biometric information sensor includes a flexible substrate, an adhesive, a heartbeat signal detector, an electrocardiographic signal detector, a pulse wave detector, and a signal processor. The signal processor calculates an electrocardiographic peak estimated value resulting from estimating the wave of an electrocardiographic signal detected by the electrocardiographic signal detector from a heartbeat signal detected by the heartbeat signal detector based on the heartbeat signal and the electrocardiographic signal. The signal processor estimates a pulse wave transmit time based on the calculated electrocardiographic peak estimated value a photoplethysmographic signal detected by the pulse wave detector.

Abstract: An object of the present invention is to provide an optical film having an optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. This optical film of the present invention is an optical film at least having an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and the optically anisotropic layer has a density of 1.20 g/cm3 or more and a crosslinking point density of 0.0016 mol/cm3 or more.

Abstract: An object of the present invention is to provide a polarizer with a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the polarizer has an array structure formed of the first dichroic material and an array structure formed of the second dichroic material.

Abstract: An object of the present invention is to provide a polarizer having a high degree of alignment and an image display device including the polarizer. A polarizer of the present invention is a polarizer formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the polarizer has an array structure formed of the first dichroic material and the second dichroic material.

Abstract: An object of the present invention is to provide a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a polymer liquid crystal compound and a dichroic material, in which the polymer liquid crystal compound is a thermotropic liquid crystal and a crystalline polymer, the polymer liquid crystal compound and the dichroic material are horizontally aligned, and crystallinity of the polymer liquid crystal compound in the polarizer-forming composition is higher than the crystallinity of the polymer liquid crystal compound alone.

Abstract: The magnetic recording medium has a non-magnetic support and a magnetic layer which is provided on the support and contains ferromagnetic powder and a binder, in which the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, the magnetic layer contains an abrasive, an intensity ratio (Int (110)/Int (114)) of a peak intensity Int (110) of a diffraction peak of (110) plane of a crystal structure of the hexagonal ferrite, determined by performing X-ray diffraction analysis on the magnetic layer by using an In-Plane method, to a peak intensity Int (114) of a diffraction peak of (114) plane of the crystal structure is equal to or higher than 0.5 and equal to or lower than 4.0, and a squareness ratio in a vertical direction is equal to or higher than 0.65 and equal to or lower than 1.00. The present invention also provides a method for manufacturing the magnetic recording medium.

Abstract: A rotary connector includes a fixed housing having an outer cylindrical section, a movable housing, having an inner cylindrical section, and rotatably connected to the fixed housing, a main cable accommodated inside an annular space formed between the outer cylindrical section and the inner cylindrical section, a sub cable having one end connected to one end of the main cable and the other end connected to an external terminal, and a lead block. The lead block has a first block, to which the one end of the main cable and the one end of the sub cable are fixed, and a second block, which is fixed at an arrangement angle crossing an angle at which the first block is arranged, and to which the other end of the sub cable and the external terminal are fixed.

Abstract: A rotary connector includes a fixed housing having an outer cylindrical section, a movable housing, having an inner cylindrical section, and rotatably connected to the fixed housing, a main cable accommodated inside an annular space formed between the outer cylindrical section and the inner cylindrical section, a sub cable having one end connected to one end of the main cable and the other end connected to an external terminal, and a lead block. The lead block has a first block, to which the one end of the main cable and the one end of the sub cable are fixed, and a second block, which is fixed at an arrangement angle crossing an angle at which the first block is arranged, and to which the other end of the sub cable and the external terminal are fixed.

Abstract: A biological sensor capable of improving the signal to noise ratio of a detection signal obtained by a light-receiving element and amplified by an amplifier is provided. The biological sensor includes a microcontroller that generates a driving signal, a light-emitting element that emits light in accordance with the driving signal, a light-receiving element that outputs a current detection signal based on an intensity of received light, and an amplifying circuit that converts the current detection signal into a voltage detection signal, amplifies an alternating current component of the voltage detection signal, and outputs an amplified detection signal. Furthermore, the microcontroller generates an offset signal that is applied to an offset circuit to offset the direct current component of the voltage detection signal and to obtain biological information by processing the amplified detection signal.

Abstract: A rotor-side lead block integrally holds a plurality of external connection terminals electrically and directly connected to a connection land of a first sub FPC. The first sub FPC is housed and fixed in the rotor-side connector portion. The external connection terminals and the connection land of the first sub FPC are connected to each other via solder. The first holding member holds the connection land of the first sub FPC between the rotor-side lead block and the first holding member.