Abstract: Provided are an optical laminate in which a large diffraction angle can be obtained, a light guide element, and an AR display device.

Abstract: A spot welded member includes a spot weld formed by holding a sheet stack of multiple steel sheets between a pair of electrodes and spot-welding the sheet stack, in which at least one of the multiple steel sheets is a high-strength zinc-based coated steel sheet having a tensile strength of 780 MPa or more, the high-strength zinc-based coated steel sheet having a coating with an Al content of 0.5% or more by mass, and in which the heat shock region of the spot weld outwardly extending from an edge of a corona bond area includes a coated layer including an FeAl alloy layer having an average thickness of 0.3 ?m or more and a zinc-based coated layer having an average thickness of 2.0 ?m or more on the FeAl alloy layer at the interface between the base steel sheet of the high-strength zinc-based coated steel sheet and the coating.

Abstract: An intraoral shape acquisition device 1 capable of accurately acquiring an intraoral shape of a saliva, blood or other adherent area or a subgingival margin area includes a scanner 111 for acquiring an intraoral shape by imaging the inside of the mouth and an air blower 113 for blowing compressed air, the air blower 113 being capable of The air blower 113 blows the compressed air against the object to be imaged when the scanner 111 performs the imaging.

Abstract: Provide are an optical element that can improve a utilization efficiency of light while increasing an optical path length, an image display unit, and a head-mounted display. The optical element includes, in the following order: a first absorptive linearly polarizing plate; a first reflective linearly polarizing plate; a first retardation plate; a partially reflecting mirror; a second retardation plate; and a second reflective linearly polarizing plate, in which a turning direction of circularly polarized light that is reflected from the first reflective linearly polarizing plate in a case where light transmits through the first retardation plate and is incident into the first reflective linearly polarizing plate is opposite to a turning direction of circularly polarized light that is reflected from the second reflective linearly polarizing plate in a case where light transmits through the second retardation plate and is incident into the second reflective linearly polarizing plate.

Abstract: This all-solid-state battery includes: a positive electrode including a positive electrode active material layer; a negative electrode including a negative electrode active material layer; and a solid electrolyte layer located between the positive electrode active material layer and the negative electrode active material layer. The negative electrode active material layer contains a titanium compound. The solid electrolyte layer contains an LAGP compound represented by Li1+xAlxGe2?x(PO4)3 (x is a number which satisfies 0<x<1). Either one or both of an inside of the negative electrode active material layer and an interface between the negative electrode active material layer and the solid electrolyte layer contain an LATGP compound represented by Li1+yAlyTizGe2?y?z(PO4)3 (y and z are numbers which satisfy 0<y<1 and 0<z<1).

Abstract: Provided is a transmissive liquid crystal diffraction element that can diffract different polarized light components in the same direction and has high diffraction efficiency with respect to unpolarized light.

Abstract: Provided are a compound represented by the following Formula (1) useful as a hole transport material for a photoelectric conversion element, and a photoelectric conversion element using the compound in a hole transport layer.

Abstract: Provided is a technique for efficiently predicting the number (quantity) of occurrences of emergency medical service requests in a target area.

Abstract: An object of the present invention is to provide: an optical element in which incident light can be transmitted or reflected at an angle in the predetermined direction and the wavelength dependence of the amount of transmitted light or reflected light is small; and an optical element including the optical element. The optical element according to the present invention comprises: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and an infrared absorbing colorant, in which the optically-anisotropic layer 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, and an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a minor axis direction is higher than an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a major axis direction.

Abstract: Provided are a small-sized optical coupling system and an optical communication device using the optical coupling system. An optical coupling system includes a liquid crystal optical element, and a photonic device having a plurality of photonic chips, and couples an optical fiber to the photonic device, in which each of the photonic chips includes a grating coupler, the liquid crystal optical element separates incident signal light depending on at least one of polarization or a wavelength to emit light in different directions, and each separated signal light component is incident into the grating coupler of the corresponding photonic chip.

Abstract: Provided is a spectroscope excellent in measurement efficiency.

Abstract: Provided are a liquid crystal diffraction element having a high diffraction efficiency irrespective of diffraction angles, an optical element including the liquid crystal diffraction element, and an image display unit, a head-mounted display, a beam steering, and a sensor including the liquid crystal diffraction element or the optical element.

Abstract: Provided is a transmissive liquid crystal diffraction element that can diffract different polarized light components in the same direction and has high diffraction efficiency with respect to unpolarized light.

Abstract: The present invention estimates intention of an utterance more accurately than the related arts. A learning device learns an estimation model on the basis of learning data including an acoustic signal for learning and a label indicating whether or not the acoustic signal has been uttered to a predetermined target. The learning device includes: a feature synchronization unit configured to obtain a post-synchronization feature by synchronizing an acoustic feature obtained from the acoustic signal for learning with a text feature corresponding to the acoustic signal; an utterance intention estimation unit configured to estimate whether or not the acoustic signal has been uttered to the predetermined target by using the post-synchronization feature; and a parameter update unit configured to update a parameter of the estimation model on the basis of the label included in the learning data and an estimation result by the utterance intention estimation unit.

Abstract: There is provided with an image identification apparatus. An extraction unit extracts a feature value of an image from image data using a Neural Network (NN). A processing unit identifies the image based on the feature value extracted by the extraction unit. The NN comprises a plurality of calculation layers connected hierarchically. The NN includes a plurality of sub-neural networks for performing processing of calculation layers after a specific calculation layer. Mutually different data from an output of the specific calculation layer are respectively inputted to the plurality of sub-neural networks.

Abstract: The present invention provides an optical element in which the occurrence of sidelobe is suppressed and a reflectivity is high, an image display apparatus, a head-mounted display, a sensing apparatus, and an eye tracking apparatus.

Abstract: An object of the present invention is to provide a compound that is useful as a hole transport material for providing a device for converting light into electricity that is capable of extracting current with high efficiency, and a device for converting light into electricity and a solar cell that include the compound in a hole transport layer and have favorable light/electricity conversion characteristics. The present invention provides a compound represented by the general formula (1) below. In the formula, R1 to R20 each represent a hydrogen atom, an alkoxy group having 1 to 20 carbon atoms, or the like, and Y represents an oxygen atom or CR21R22, where R21 and R22 each represent a nitrile group, an acyl group having 1 to 10 carbon atoms, or the like.

Abstract: Provided is an optical element in which the occurrence of sidelobe is suppressed and a reflectivity is high.

Abstract: Provided are an optical element that causes a guided-mode resonance phenomenon to occur using a liquid crystal diffraction element to reflect light in a specific wavelength range such that the reflection wavelength range can be widened and the controllability of the width of the reflection wavelength range is also excellent, and an optical sensor including the above-described optical element. The optical element includes a liquid crystal layer that is formed of a composition including a liquid crystal compound, in which the liquid crystal layer 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, the liquid crystal compound is twisted and aligned in a thickness direction, and the liquid crystal layer further has a resonance structure.

Abstract: An object of the present invention is to provide: an optical element in which incident light can be transmitted or reflected at an angle in the predetermined direction and the wavelength dependence of the amount of transmitted light or reflected light is small; and an optical element including the optical element. The optical element according to the present invention comprises: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and an infrared absorbing colorant, in which the optically-anisotropic layer 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, and an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a minor axis direction is higher than an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a major axis direction.