Abstract: A vehicle lighting device includes a socket, a substrate, at least one light emitting element, a frame part, a sealing part, and a lens. The substrate is provided on one end side of the socket. The light emitting element is provided on the substrate. The frame part surrounds the light emitting element. The sealing part is provided on an inner side of the frame part and covers the light emitting element. The lens is provided on the sealing part and includes an optical part into which a light emitted from the light emitting element enters. The optical part includes a first portion from which the light entered is emitted. The first portion protrudes to a side opposite to a sealing part side. A contour of the first portion is a substantially rectangular shape as viewed from a direction along a central axis of the optical part.

Abstract: According to an embodiment, there is provided a vehicle luminaire including: a socket; a board provided on one end side of the socket; at least one light-emitting element provided on the board; a frame part provided on the board to surround the light-emitting element; a sealing part that is provided on an inner side of the frame part and contains a resin; and an optical element provided on the sealing part. The frame part includes at least any one of a trap provided on an outer surface to retain at least a part of the resin overflowed to an outer side of the frame part, and an inclined surface provided in an edge of an opening opposite to the board side.

Abstract: According to an embodiment, there is provided a vehicle luminaire including: a socket; a board provided on one end side of the socket; at least one light-emitting element provided on the board; a frame part provided on the board to surround the light-emitting element; a sealing part that is provided on an inner side of the frame part and contains a resin; and an optical element provided on the sealing part. The frame part includes at least any one of a trap provided on an outer surface to retain at least a part of the resin overflowed to an outer side of the frame part, and an inclined surface provided in an edge of an opening opposite to the board side.

Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; and a light-emitting module that is provided in on one end side of the socket, and includes only three light-emitting elements. When viewing the vehicle luminaire from a direction along a central axis, light-emitting surfaces of the three light-emitting elements have an approximately rectangular shape or an approximately square shape. At the inside of an approximately rectangular luminous region with the central axis set as the center, the three light-emitting elements are provided in parallel in a row in a direction in which short sides of the luminous region face each other.

Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; and a light-emitting module that is provided in on one end side of the socket, and includes only three light-emitting elements. When viewing the vehicle luminaire from a direction along a central axis, light-emitting surfaces of the three light-emitting elements have an approximately rectangular shape or an approximately square shape. At the inside of an approximately rectangular luminous region with the central axis set as the center, the three light-emitting elements are provided in parallel in a row in a direction in which short sides of the luminous region face each other.

Abstract: A vehicle lighting device according to an embodiment includes: a socket; a substrate that is provided on one end portion side of the socket; a frame portion that is provided on the substrate; at least one light-emitting element that is provided in a region on an inner side of the frame portion on the substrate; a sealing portion that is provided on an inner side of the frame portion and covers the light-emitting element; and an optical element that is provided on the sealing portion. An arithmetic-average roughness value of a first surface on the sealing portion side in the optical element is greater than an arithmetic-average roughness value of a second surface of the optical element on a side opposite to the first surface.

Abstract: A vehicle lighting device according to an embodiment includes: a socket; a substrate that is provided on one end portion side of the socket; a frame portion that is provided on the substrate; at least one light-emitting element that is provided in a region on an inner side of the frame portion on the substrate; a sealing portion that is provided on an inner side of the frame portion and covers the light-emitting element; and an optical element that is provided on the sealing portion. An arithmetic-average roughness value of a first surface on the sealing portion side in the optical element is greater than an arithmetic-average roughness value of a second surface of the optical element on a side opposite to the first surface.

Abstract: A vehicle luminaire may include: an attachment portion which includes a concave portion opening to one end face; a light-emitting module, which includes a substrate and at least one light-emitting element provided on the substrate, provided inside the concave portion; and a plurality of bayonets provided on an outer side surface of the attachment portion. When the attachment portion is viewed from a direction along a center axis of the attachment portion, the bayonets are provided at a predetermined interval. The attachment portion includes an opening portion provided in a region between the plurality of bayonets. An opening dimension of the opening portion is larger than a width dimension of each bayonet.

Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; a board provided at one end of the socket; and three light-emitting elements provided on the board. A triangle formed by line segments connecting respective centers of the three light-emitting elements is scalene triangle in planar view. A center of the vehicle luminaire is included inside the scale triangle.

Abstract: A vehicular luminaire according to an embodiment includes a socket; a substrate provided on one end part side of the socket; a frame part provided on the substrate; a first light-emitting element provided inside the frame part; a plurality of second light-emitting elements provided inside the frame part and around the first light-emitting element; and an optical element provided at an end part of the frame part opposite to the substrate side. A distance between the substrate and a light-emitting surface of the first light-emitting element differs from a distance between the substrate and light-emitting surfaces of the second light-emitting elements.

Abstract: A vehicle luminaire according to an embodiment includes: an attachment portion which includes a concave portion; a light-emitting module which includes a substrate, at least one light-emitting element provided in the substrate, and a sealing portion covering the light-emitting element; and a plurality of bayonets which are provided on an outer side surface of the attachment portion. The attachment portion includes at least one light extraction portion which penetrates between an inner wall surface of the concave portion and the outer side surface of the attachment portion. In a portion provided with the bayonet in a circumferential direction of the attachment portion, a distance between a bottom surface of the concave portion and an end portion on the side of the bottom surface of the light extraction portion is smaller than a distance between the bottom surface and a top portion of the sealing portion.

Abstract: A vehicle luminaire according to an embodiment includes: an attachment portion which includes a concave portion opening to one end face; a light-emitting module which includes a substrate and at least one light-emitting element provided on the substrate and is provided inside the concave portion; and a plurality of bayonets which are provided on an outer side surface of the attachment portion. When the attachment portion is viewed from a direction along a center axis of the attachment portion, the plurality of bayonets are provided at a predetermined interval. The attachment portion includes an opening portion provided in a region between the plurality of bayonets. An opening dimension of the opening portion is larger than a width dimension of the bayonet.

Abstract: A vehicle luminaire according to an embodiment includes: an attachment portion which includes a concave portion; a light-emitting module which includes a substrate, at least one light-emitting element provided in the substrate, and a sealing portion covering the light-emitting element; and a plurality of bayonets which are provided on an outer side surface of the attachment portion. The attachment portion includes at least one light extraction portion which penetrates between an inner wall surface of the concave portion and the outer side surface of the attachment portion. In a portion provided with the bayonet in a circumferential direction of the attachment portion, a distance between a bottom surface of the concave portion and an end portion on the side of the bottom surface of the light extraction portion is smaller than a distance between the bottom surface and a top portion of the sealing portion.

Abstract: A vehicular luminaire according to an embodiment includes a socket; a substrate provided on one end part side of the socket; a frame part provided on the substrate; a first light-emitting element provided inside the frame part; a plurality of second light-emitting elements provided inside the frame part and around the first light-emitting element; and an optical element provided at an end part of the frame part opposite to the substrate side. A distance between the substrate and a light-emitting surface of the first light-emitting element differs from a distance between the substrate and light-emitting surfaces of the second light-emitting elements.

Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; a board provided at one end side of the socket; at least one light-emitting element provided on the board; a frame provided on the board, having a tube shape, and surrounding the light-emitting element; a sealing part provided inside the frame and covering the light-emitting element; and an optical element provided on the sealing part, at least a part of a circumferential edge being provided at an end face of the frame opposite to the board side.

Abstract: A vehicle luminaire according to an exemplary embodiment includes: a socket; a board provided at one end of the socket; and three light-emitting elements provided on the board. A triangle formed by line segments connecting respective centers of the three light-emitting elements is an inequilateral triangle in planar view. A center of the vehicle luminaire is included inside the inequilateral triangle.

Abstract: According to one embodiment, a light emitting device includes first and second plate electrodes, a light emitting element and an insulator. The first plate electrode includes first and second major surfaces. The second plate electrode includes third and fourth major surfaces. The light emitting element is placed between the first surface and third major surfaces. The light emitting element includes a semiconductor stacked body having a fifth major surface and a sixth major surface, a first electrode and a second electrode. The semiconductor stacked body includes a light emitting layer. Optical axis is made perpendicular to a side surface of the semiconductor stacked body. The insulator is provided in contact with the first and second plate electrodes and including a window. The light beam is enabled to pass through the window and to be emitted outward.

Abstract: A light emitting device includes a first light source, an optical waveguide body, a light emitting layer and a first reflection layer. The optical waveguide body includes a first end surface to which light from the first light source is injected, and a second end surface opposed to the first end surface and provided in a light guiding direction of the light. The light emitting layer includes, along the light guiding direction, phosphor particles capable of absorbing the light and emitting wavelength converted light or a light diffusing agent diffusing the light. The first reflection layer is provided on the second end surface and is capable of reflecting part of the light guided in the optical waveguide body. Diffused light from the light emitting layer is emitted to outside of the optical waveguide body.

Abstract: A light emitting device includes a light source capable of emitting emission light, a first phosphor layer and an optical waveguide. A first phosphor layer has at least a first surface and a second surface on an opposite side of the first surface, extends in a light guiding direction, and is capable of absorbing the emission light and emitting first wavelength converted light having a longer wavelength than the emission light. The optical waveguide has a reflector. And the optical waveguide has an input surface of the emission light, a reflection surface being in contact with the first surface of the first phosphor layer and provided on a surface of the reflector, and an output surface spaced from the first phosphor layer. The reflection surface and the output surface extend in the light guiding direction.

Abstract: An embodiment of the invention provides a light emitting device in which a semiconductor laser diode is used as a light source to efficiently obtain visible light having high uniformity of a luminance distribution. The light emitting device has a semiconductor laser diode that emits a laser beam. And the device has a light guide component that includes an upper surface, a lower surface, two side faces opposite each other, and two end faces opposite each other, the laser beam being incident from a first end face of the light guide component, the light guide component having indentation in the lower surface, the laser beam being reflected by the lower surface and emitted in an upper surface direction. The light emitting device also has a luminous component that is provided on an upper surface side of the light guide component and absorbs the laser beam emitted from the light guide component and emits visible light.