Abstract: A resonator structure includes an intake duct and a resonator that is accommodated in the intake duct. The resonator extends upward. The resonator includes a collar that protrudes toward an inner surface of the intake duct. One or both of the inner surface and the collar include a surface texture for gathering oil into a gap between the inner surface and the collar.

Abstract: A water-repellent member includes a matrix part including an inorganic substance including at least one of a metal oxide or a metal hydroxide, and a water-repellent resin present in a dispersed state inside the matrix part. The water-repellent member has a porosity of 20% or less in a section of the matrix part. A building member and a wet room member each include the water-repellent member.

Abstract: A vehicle display apparatus includes: a display that displays traveling information of a vehicle; an acquisition unit that acquires position information of the vehicle and traffic congestion information of an other vehicle that travels in a periphery of the vehicle; and a display controller that detects an occurrence of a traffic congestion from the position information and the traffic congestion information, and upon detecting the occurrence, displays, on the display, transition information related to transition to autonomous driving by using an image of at least one of a traveling road, the other vehicle, or the vehicle.

Abstract: A vehicle congestion determination device includes: an acquisition unit configured to acquire a first information indicating an occurrence of traffic congestion based on a first threshold value and a second information indicating the occurrence of traffic congestion based on a second threshold value as an allowable condition for starting an autonomous driving operation during the traffic congestion; and a control unit configured to integrate the first information and the second information and execute a first algorithm for determining the occurrence of the traffic congestion based on the first threshold value and a second algorithm for determining the occurrence of the traffic congestion based on the second threshold value.

Abstract: A wavelength conversion member converts a wavelength of laser light. The wavelength conversion member includes a substrate having reflectivity with respect to the laser light, and a phosphor layer including a phosphor for converting the laser light into light having a longer wavelength than that of the laser light, the phosphor layer being on the substrate. The phosphor layer includes a plurality of concave parts, each having a depth of 50% or more and 80% or less with respect to a film thickness of the phosphor layer and an opening width of 50 ?m or more, on a surface of the phosphor layer, the surface irradiated with the laser light. A distance between adjacent concave parts of the plurality of concave parts is smaller than a spot diameter of the laser light to be emitted to the surface of the phosphor layer.

Abstract: An illumination device includes a housing including an opening portion, a wavelength converting component which is disposed inside the housing and radiates wavelength-converted light having a different wavelength from that of a laser beam after the laser beam enters the component, an optical film which covers the opening portion and has optical properties such that the transmittance for the wavelength-converted light is 80% or more and the transmittance for the laser beam at the peak wavelength is 80% or less of the transmittance for the wavelength-converted light at the peak wavelength, and a light diffusing structure which is disposed on at least part of the inner wall of the housing and diffusely reflects the laser beam reflected at least by the optical film.

Abstract: Alight emitting device (A) includes a laser light source (1) that emits laser light (100), a housing (2A) that includes a bottom wall (3) and a side wall, and a first wavelength converter (20) provided on the side wall, the first wavelength converter (20) containing a first phosphor. The bottom wall of the housing is irradiated with the laser light emitted from the laser light source, and the first phosphor is excited by diffused light of the laser light diffused by the bottom wall. With such a configuration, the light emitting device (A) improves color uniformity and chromaticity flexibility while increasing power density of output light.

Abstract: A composite member includes a matrix part including an inorganic substance, and an organic dye present in a dispersed state inside the matrix part. The composite member has a porosity of 20% or less in a section of the matrix part. A construction member and a decoration member each include the composite member.

Abstract: A water-repellent member includes a matrix part including an inorganic substance including at least one of a metal oxide or a metal hydroxide, and a water-repellent resin present in a dispersed state inside the matrix part. The water-repellent member has a porosity of 20% or less in a section of the matrix part. A building member and a wet room member each include the water-repellent member.

Abstract: A wavelength conversion member converts a wavelength of laser light. The wavelength conversion member includes a substrate having reflectivity with respect to the laser light, and a phosphor layer including a phosphor for converting the laser light into light having a longer wavelength than that of the laser light, the phosphor layer being on the substrate. The phosphor layer includes a plurality of concave parts, each having a depth of 50% or more and 80% or less with respect to a film thickness of the phosphor layer and an opening width of 50 ?m or more, on a surface of the phosphor layer, the surface irradiated with the laser light. A distance between adjacent concave parts of the plurality of concave parts is smaller than a spot diameter of the laser light to be emitted to the surface of the phosphor layer.

Abstract: A wavelength conversion member includes: a substrate; a wavelength converter including phosphor particles excited by excitation light and a binder layer that fixes or adheres the adjacent phosphor particles to one another, the wavelength converter being provided on a front surface side of the substrate; and a light reflecting film that reflects fluorescent light radiated by the phosphor particles, the light reflecting film being provided on at least a part of an interface between the substrate and the wavelength converter, wherein a refractive index of the phosphor particles is larger than a refractive index of the binder layer. It is preferable that the binder layer include nanogaps which are voids with an average diameter of 300 nm or less in an inside.

Abstract: A wavelength converter includes: a substrate portion; and an optical conversion layer including optical conversion inorganic particles and an inorganic binder portion, wherein the inorganic binder portion includes: an amorphous binder; and granular binder particulates with an average particle size smaller than an average particle size of the optical conversion inorganic particles, and a substrate-side binder particulate concentration ratio RFS (a ratio of an average volume concentration of the binder particulates in the substrate-side portion with respect to an average volume concentration of the optical conversion inorganic particles in the substrate-side portion) is larger than a non-substrate-side binder particulate concentration ratio RFO (a ratio of an average volume concentration of the binder particulates in the non-substrate-side portion with respect to an average volume concentration of the optical conversion inorganic particles in the non-substrate-side portion).

Abstract: An illumination device includes a housing including an opening portion, a wavelength converting component which is disposed inside the housing and radiates wavelength-converted light having a different wavelength from that of a laser beam after the laser beam enters the component, an optical film which covers the opening portion and has optical properties such that the transmittance for the wavelength-converted light is 80% or more and the transmittance for the laser beam at the peak wavelength is 80% or less of the transmittance for the wavelength-converted light at the peak wavelength, and a light diffusing structure which is disposed on at least part of the inner wall of the housing and diffusely reflects the laser beam reflected at least by the optical film.

Abstract: Alight emitting device (A) includes a laser light source (1) that emits laser light (100), a housing (2A) that includes a bottom wall (3) and a side wall, and a first wavelength converter (20) provided on the side wall, the first wavelength converter (20) containing a first phosphor. The bottom wall of the housing is irradiated with the laser light emitted from the laser light source, and the first phosphor is excited by diffused light of the laser light diffused by the bottom wall. With such a configuration, the light emitting device (A) improves color uniformity and chromaticity flexibility while increasing power density of output light.

Abstract: A wavelength conversion member includes: a substrate; and a wavelength converter that converts color of incident light, the wavelength converter being provided on a surface of the substrate. The wavelength converter has: inorganic phosphor particles which convert the color of the incident light; and a binder layer that fixes the inorganic phosphor particle to one another, the binder layer including at least one type of metal oxides with a melting point of 800° C. or less. The substrate and the wavelength converter are fixed to each other by the binder layer of the wavelength converter.

Abstract: A wavelength converter includes: a plurality of phosphor particles; and a binder layer that adheres the plurality of adjacent phosphor particles to one another, the binder layer being composed of a nanoparticle-adhered body in which a plurality of nanoparticles having an average particle size D50 of 1 nm or more and less than 100 nm are adhered to one another.

Abstract: A light emitting device 1 includes: a substrate 30; and a phosphor layer 40 composed in such a manner that a large number of phosphor particles 60 are adhered onto a flat surface 32 of the substrate 30. At least one of the phosphor particles 60 is a polyhedral phosphor particle 65 that is monodispersed, is derived from a crystal structure of garnet and has facets, and a median particle size D50 of the polyhedral phosphor particle 65 is 30 ?m or more and a maximum thickness of the phosphor layer 40 or less. It is preferable that at least one of the phosphor particles 60 adhered onto the flat surface 32 of the substrate 30 is the polyhedral phosphor particle 65 that is monodispersed, is derived from the crystal structure of the garnet, and has the facets.

Abstract: A wavelength conversion member (1) includes: a substrate (10); a wavelength converter (30) including phosphor particles (40) excited by excitation light and a binder layer (50) that fixes or adheres the adjacent phosphor particles (40) to one another, the wavelength converter (30) being provided on a front surface side of the substrate (10); and a light reflecting film (20) that reflects fluorescent light radiated by the phosphor particles (40), the light reflecting film (20) being provided on at least a part of an interface between the substrate (10) and the wavelength converter (30), wherein a refractive index of the phosphor particles (40) is larger than a refractive index of the binder layer (50). It is preferable that the binder layer (50) include nanogaps which are voids with an average diameter of 300 nm or less in an inside.

Abstract: A wavelength converter includes: inorganic phosphor particles; translucent non-fluorescent light emitting inorganic particles; and an inorganic binder, wherein the inorganic phosphor particles and the translucent non-fluorescent light emitting inorganic particles are bound to each other by the inorganic binder, an average particle size of the translucent non-fluorescent light emitting inorganic particles is equal to or more than an average particle size of the inorganic phosphor particles, thermal conductivity of the translucent non-fluorescent light emitting inorganic particles is larger than thermal conductivity of the inorganic phosphor particles, a refractive index of the translucent non-fluorescent light emitting inorganic particles stays within a range of ±6% of a refractive index of the inorganic phosphor particles, and fluorescence is emitted upon receiving excitation light.

Abstract: A light emitting device 1 includes: a substrate 30; and a phosphor layer 40 composed in such a manner that a large number of phosphor particles 60 are adhered onto a flat surface 32 of the substrate 30. At least one of the phosphor particles 60 is a polyhedral phosphor particle 65 that is monodispersed, is derived from a crystal structure of garnet and has facets, and a median particle size D50 of the polyhedral phosphor particle 65 is 30 ?m or more and a maximum thickness of the phosphor layer 40 or less. It is preferable that at least one of the phosphor particles 60 adhered onto the flat surface 32 of the substrate 30 is the polyhedral phosphor particle 65 that is monodispersed, is derived from the crystal structure of the garnet, and has the facets.