Abstract: The present invention makes it possible for sounding of an inspection location on an outer wall of a building or the like to be performed using a simple operation. A user interface device accepts an input for designating an inspection location. The mobile robot device flies autonomously and moves to the inspection location, on the basis of the input into the user interface device and the current location of the mobile robot device. The mobile robot device inspects the inspection location using an inspection means such as a sounding means.

Abstract: A light emitting device includes a light-transmissive member including a first surface, a second surface opposite to the first surface, and third surfaces connected to the first surface and the second surface. A phosphor layer faces the second surface of the light-transmissive member. A reflective member faces side surfaces of the phosphor layer and the third surfaces of the light-transmissive member. The light-emitting element has a top surface facing the phosphor layer, a bottom surface opposite to the top surface, and side surfaces connecting the top surface and the bottom surface. The phosphor layer has a bonding surface facing the light emitting element. A first dielectric multilayer film is arranged on at least one of side surfaces of the light-emitting element without being provided on the bonding surface of the phosphor layer.

Abstract: The red light-emitting device includes a light source, a first layer covering at least a portion of the light source and containing a fluoride phosphor converting light emitted from the light source, and a second layer covering at least a portion of the first layer and containing a nitride phosphor converting light emitted from the light source and/or the first layer. An emission intensity ratio at an emission peak wavelength of the light source is greater than 0 and 0.1 or less, and the emission intensity ratio at the wavelength of the maximum emission peak in an emission spectrum of the light-emitting device is greater than 2.8, supposing the reference emission intensity that is the minimum emission intensity within the range of plus or minus 15 nm or 30 nm from the wavelength of the maximum emission peak in the emission spectrum of the light-emitting device is 1.

Abstract: An unmanned aircraft 1 according to an embodiment of the present invention provides an unmanned aircraft that properly makes a forced landing in case of an abnormality. The unmanned aircraft 1 is configured as a multicopter that flies with lift and thrust generated by rotation of six rotors 13. The unmanned aircraft 1 identifies a forced landing site in a case of having detected an abnormality during flight and controls motors 12 configured to drive the respective rotors 13, to make a landing at the identified forced landing site. The unmanned aircraft 1 is consequently enabled to make an autonomous forced landing at a specific site in case of an abnormality.

Abstract: A method for manufacturing a light emitting device includes disposing on lateral surfaces of the light emitting element, a first wavelength converting member containing a first phosphor to convert the first light emitted from the light emitting element into a second light having a second peak wavelength longer than the first peak wavelength. The light emitting element provided with the first wavelength converting member is disposed on a base. A second wavelength converting member is disposed on the base. The second wavelength converting member covers an upper surface of the light emitting element provided with the first wavelength converting member and lateral surfaces of the first wavelength converting member provided opposite to additional lateral surfaces of the first wavelength converting member. The additional lateral surfaces face the lateral surface of the light emitting element. The second wavelength converting member contains a second phosphor.

Abstract: A method of manufacturing a light-emitting device includes steps of: preparing at least one first member each including (i) a light-transmissive member having a top surface, a bottom surface, and a lateral surface contiguous with the top surface and the bottom surface, (ii) a phosphor layer disposed below the bottom surface, and (iii) a cover layer disposed on a lateral surface of the phosphor layer and the lateral surface of the light-transmissive member; and, for each of the at least one first member, mounting a light-emitting element on a base having a fat plate shape, bonding the light-emitting element and the phosphor layer of the first member together, placing a frame body on the base so as to surround the light-emitting element, and filling a light-reflective member in the frame body so that the light-reflective member covers at least a portion of the cover layer of the first member.

Abstract: A light emitting element includes a light emitting element having a first face on which a first electrode and a second electrode are provided. A wavelength converting material covers a whole of the light emitting element except for the first face such that a surface of the wavelength converting material and the first face constitute a substantially flat plane. A first electrically conductive material is provided on the first face and the surface of the wavelength converting material to be electrically connected to the first electrode. A second electrically conductive material is provided on the first face and the surface of the wavelength converting material to be electrically connected to the second electrode. An insulating member is disposed on the first electrically conductive material, the second electrically conductive material, and the first face between the first electrode and the second electrode.

Abstract: A light-emitting device includes: a light-transmissive member having a first surface, a second surface opposite the first surface, and a third surface contiguous with the first surface and the second surface; a phosphor layer disposed opposite to the second surface of the light-transmissive member; a cover layer disposed on a lateral surface of the phosphor layer and the third surface of the light-transmissive member; a light-emitting element disposed opposite to the phosphor layer; and a light-reflective member that covers at least a portion of the cover layer.

Abstract: A method for manufacturing a light emitting device includes placing a light emitting element on a releasable base material so that a first face of the light emitting element is in contact with the releasable base material. An entire area of the first face is a first area. A wavelength converting material is provided on the releasable base material to cover an entirety of the light emitting element. The releasable base material is removed. A first electrically conductive material covers the first electrode and the wavelength converting material. An entire area of the first electrically conductive material viewed in a height direction is a second area larger than the first area. A second electrically conductive material covers the second electrode and the wavelength converting material. An entire area of the second electrically conductive material viewed in the height direction is a third area larger than the first area.

Abstract: A light emitting device includes a light-transmissive member including a first surface, a second surface opposite to the first surface, and third surfaces connected to the first surface and the second surface. A phosphor layer faces the second surface of the light-transmissive member. A reflective member faces side surfaces of the phosphor layer and the third surfaces of the light-transmissive member. The light-emitting element has a top surface facing the phosphor layer, a bottom surface opposite to the top surface, and side surfaces connecting the top surface and the bottom surface. The phosphor layer has a bonding surface facing the light emitting element. A first dielectric multilayer film is arranged on at least one of side surfaces of the light-emitting element without being provided on the bonding surface of the phosphor layer.

Abstract: A method for manufacturing a light emitting device includes disposing on lateral surfaces of the light emitting element, a first wavelength converting member containing a first phosphor to convert the first light emitted from the light emitting element into a second light having a second peak wavelength longer than the first peak wavelength. The light emitting element provided with the first wavelength converting member is disposed on a base. A second wavelength converting member is disposed on the base. The second wavelength converting member covers an upper surface of the light emitting element provided with the first wavelength converting member and lateral surfaces of the first wavelength converting member provided opposite to additional lateral surfaces of the first wavelength converting member. The additional lateral surfaces face the lateral surface of the light emitting element. The second wavelength converting member contains a second phosphor.

Abstract: A lighting apparatus includes light emitting elements having an emission peak wavelength of 400 to 510 nm, a first phosphor having an emission peak wavelength of 485 to 700 nm, a second phosphor having an emission peak wavelength of 510 to 590 nm, a third phosphor having an emission peak wavelength of 600 to 700 nm, and a color filter having transmittance for light with a wavelength of 600 to 730 nm that is 80% or more and transmittance for light with a wavelength of 410 to 480 nm that is 3% or more and 50% or less. The color filter transmits a part of light emitted from the first phosphor, at least a part of light emitted from the second phosphor, and at least a part of light emitted from the third phosphor. Light transmitted through the color filter is emitted to the outside.

Abstract: A light emitting device includes a light emitting element to emit a first light having a first peak wavelength. A second wavelength converting member contains a second phosphor to convert the first light into a third light having a third peak wavelength longer than the first peak wavelength and shorter than a second peak wavelength. The second wavelength converting member includes a portion in which the second wavelength converting member has a first concentration of the second phosphor at a height of an upper surface of the light emitting element in a height direction and a second concentration of the second phosphor at a height of a lower surface of the light emitting element in the height direction. The second concentration is higher than the first concentration such that the second phosphor reflects the second light.

Abstract: A light-emitting device includes: a light-transmissive member having a first surface, a second surface opposite the first surface, and a third surface contiguous with the first surface and the second surface; a phosphor layer disposed opposite to the second surface of the light-transmissive member; a cover layer disposed on a lateral surface of the phosphor layer and the third surface of the light-transmissive member; a light-emitting element disposed opposite to the phosphor layer; and a light-reflective member that covers at least a portion of the cover layer.

Abstract: A light source device having: a blue light emitting element that emits blue light having an emission peak in a wavelength region of 440 nm to 460 nm; a green phosphor that absorbs part of the blue light emitted by the blue light emitting element and thereby emits green light having an emission peak in a wavelength region of 500 nm to 575 nm; a red phosphor that absorbs at least one of part of the blue light emitted by the blue light emitting element and part of the green light emitted by the green phosphor, and thereby emits red light having an emission peak in a wavelength region of 600 nm to 690 nm; and an absorbent containing neodymium fluoride that absorbs part of the green light and part of the red light.

Abstract: To provide a light emitting device having high light extraction efficiency, and a method for manufacturing the light emitting device. A method for manufacturing a light emitting device (100) according to the present invention, includes: forming a sealing member (40) for sealing a light emitting element (10) on a base body (30) by dropping, the base body (30) including a conductive member (20) for connecting to the light emitting element (10), and a molding (25) integrally molded with the conductive member (20); the sealing member (10) being formed such that at least a part of a periphery of the sealing member (40) is located on an outward surface (38) of the conductive member (20) or the molding (25), the outward surface facing outward in a top view.

Abstract: A method for manufacturing a light emitting device includes placing a light emitting element on a releasable base material so that a first face of the light emitting element is in contact with the releasable base material. An entire area of the first face is a first area. A wavelength converting material is provided on the releasable base material to cover an entirety of the light emitting element. The releasable base material is removed. A first electrically conductive material covers the first electrode and the wavelength converting material. An entire area of the first electrically conductive material viewed in a height direction is a second area larger than the first area. A second electrically conductive material covers the second electrode and the wavelength converting material. An entire area of the second electrically conductive material viewed in the height direction is a third area larger than the first area.

Abstract: A light emitting device includes a light emitting element to emit a first light having a first peak wavelength. A second wavelength converting member contains a second phosphor to convert the first light into a third light having a third peak wavelength longer than the first peak wavelength and shorter than a second peak wavelength. The second wavelength converting member includes a portion in which the second wavelength converting member has a first concentration of the second phosphor at a height of an upper surface of the light emitting element in a height direction and a second concentration of the second phosphor at a height of a lower surface of the light emitting element in the height direction. The second concentration is higher than the first concentration such that the second phosphor reflects the second light.

Abstract: A light-emitting device includes a package having a recessed portion defined by a bottom surface and lateral walls surrounding the bottom surface, first and second light-emitting elements aligned in the longitudinal direction on the bottom surface, and a wavelength conversion member in the recessed portion, the wavelength conversion member converting light from the first light-emitting element. The first and second light-emitting elements each have a polygonal shape other than a rectangular shape in a front view. The first and second light-emitting elements are disposed away from each other so that a longest side of each light-emitting element will be substantially parallel to the longitudinal direction of the bottom surface and so that sides facing each other will be substantially parallel to each other. The wavelength conversion member is disposed at least in a region on the bottom surface between the first and second light-emitting elements.

Abstract: A backlight device includes a light guide plate including a first incident surface, and one or more second incident surfaces that are connected to the first incident surface and inclined with respect to the first incident surface in a top plan view; at least one green illuminant arranged to face one of (i) the first incident surface and (ii) the one or more second incident surfaces; and at least one red illuminant arranged to face the other of (i) the first incident surface and (ii) the one or more second incident surfaces. At least one of (i) the green light emitted from the green illuminant, and (ii) the red light emitted from the red illuminant, contains a blue component whose emission peak wavelength is 420 nm to 500 nm.