Abstract: A vehicular lamp fitting comprising a film light source that includes a transparent film having flexibility, and a plurality of semiconductor light-emitting elements which are fixed in a state of being two-dimensionally disposed on at least a front surface of the transparent film; and a reflection surface that is disposed in a state of facing a rear surface of the transparent film of the film light source, and that reflects light which is emitted from a part or all of the plurality of semiconductor light-emitting elements and transmitted through the transparent film.

Abstract: A vehicular lamp comprising a front lens body extending in a predetermined direction, and a plurality of optical systems disposed along the predetermined direction behind the front lens body, the plurality of optical systems each includes a rear lens unit disposed behind the front lens body, and a light source which is disposed behind the rear lens unit and emits light which is irradiated forward permeating the rear lens unit and the front lens body in that order to form a headlamp light distribution pattern.

Abstract: An illumination device capable of correcting a deviation of a drawing position when drawing is performed at a position deviated from a designed target position on a road surface is provided. The illumination device can include: a first irradiation unit configured to irradiate light having a first light distribution pattern; and a second irradiation unit configured to irradiate light having a second light distribution pattern different from the first light distribution pattern, wherein at least one of the first light distribution pattern and the second light distribution pattern includes a main pattern and an auxiliary pattern configured to have an assisting function.

Abstract: A vehicular lamp includes a light guide body, including first and second light guide portions, disposed side by side, a light incident portion, a first reflective surface, and a second reflective surface. The first and second reflective surfaces are disposed between the light incident portion and the proximal end portion of the first or second light guide portion, respectively. Light reflected by the first reflective surface is guided in the first light guide portion while being repeatedly reflected between the front and back surfaces thereof, and light reflected by the second reflective surface is guided in the second light guide portion while being repeatedly reflected between the front and back surfaces thereof. The back surfaces of the light guide portions include a plurality of first or second structures, respectively, configured to cause the light guided in the first or second light guide portion to exit from the front surface thereof.

Abstract: A semiconductor light-emitting device capable of suppressing the influence of thermal expansion on a light-emitting element during operation of the device and improving light-emitting characteristics is provided. The semiconductor light-emitting device includes: a substrate having a through hole, a metal core fitted into the through hole via a resin layer and penetrating through the substrate; a thermally-conductive film formed in the region of the upper surface of the metal core and having a flat surface; and a semiconductor light-emitting element bonded to the flat surface of the thermally-conductive film with an adhesive layer interposed therebetween. The outer edge of the thermally-conductive film is separated from the outer edge of the upper surface of the metal core.

Abstract: A semiconductor light-emitting apparatus is constructed by a wiring substrate, at least one semiconductor light-emitting element provided on the wiring substrate, at least one wavelength-converting member provided on the semiconductor light-emitting element, and a light reflection adjusting member directly covering a sidewall of the semiconductor light-emitting element and a sidewall of the wavelength-converting member. The light reflection adjusting member is formed of gray resin including light reflecting fillers and light absorbing fillers for visible light.

Abstract: A vehicular lamp capable of producing a flow of light emitted laterally and capable of emitting light with good appearance is provided. The vehicle light includes: a light source, a reflector that reflects the light from the light source laterally, and an inner lens that allows the light reflected by the reflector to be projected laterally. The reflector has a reflecting surface on which a plurality of reflection cuts are periodically arranged in a front-rear direction thereof. The inner lens has a lens surface protruded from a surface facing the reflector so as to face the reflecting surface. The lens surface has a shape extending in the front-rear direction while being curved convexly in a vertical direction, and a radius of curvature of the lens surface in the vertical direction gradually increases from a proximal end side to a distal end side of the lens surface.

Abstract: A group III nitride semiconductor light-emitting element is provided which includes an active layer between an n-type layer and a p-type layer, an n-electrode on the n-type layer, and a p-electrode on the p-type layer, and having a mesa structure including the p-type layer, and is characterized in that: the p-electrode has, in a top view of the group III nitride semiconductor light-emitting element, a protruding portion in a mesa end direction and an n-electrode non-formation region in the vicinity of the mesa end of a projecting end portion of the protruding portion.

Abstract: A controlling device for a vehicle headlight that controls a light distribution state by the vehicle headlight, includes a shielding range derivation part that obtains movement information that is information showing movement of an oncoming vehicle and that derives a shielding range of the vehicle headlight on the basis of the obtained movement information, and a light distribution controller that controls the light distribution state of the vehicle headlight according to the shielding range derived by the shielding range derivation part.

Abstract: To obtain projection images with high contrast when selective light irradiation is performed forward of its own vehicle. A lamp unit for a vehicular lamp system performing selective light irradiation to the surroundings of the own vehicle includes: a light source; an optical shutter part that modulates light emitted from the light source; and an optical system that projects the light transmitted through the optical shutter part. The optical shutter part includes: polarizers; a liquid crystal element disposed between the polarizers and where the initial alignment of liquid crystal molecules is horizontally aligned and causes an alignment change in the in-plane direction upon electric field application; a first optical plate which is a positive A-plate disposed between the polarizers closer to the light source and the liquid crystal element; and a second optical plate which is a positive C-plate disposed between the first optical plate and the liquid crystal element.

Abstract: Provided is a vehicular lamp which has a novel lighting appearance and satisfies a light distribution standard required by certain laws as well as being capable of realizing lighting patterns of various luminances and various light-emitting shapes, e.g., various lighting graphics. The vehicular lamp is provided with a film light source including a film having flexibility and a plurality of semiconductor light-emitting elements fixed in a state of being two-dimensionally disposed on at least a surface of the film.

Abstract: A vehicular lamp capable of stably supporting a light source unit and adjusting an optical axis by an optical axis adjusting mechanism is provided. A holder for a light source unit is supported to be tiltable relative to the bracket, and an optical axis adjustment mechanism has three support points supporting the holder relative to the bracket, and includes a first pivot portion located at a first support point among the support points and supporting the holder so that the holder is tiltable relative to the bracket, a second pivot portion located at a second support point and supporting the holder so that the holder is tiltable relative to the bracket, and an actuator located at a third support point and adjusting a tilt of the holder relative to the bracket vertically. In the front view, the first, second, and third support points are located outside the light source unit.

Abstract: A vehicular lamp includes: a light source; a projection optical system that projects light emitted from the light source forward; a liquid crystal element arranged at a rear focal point of the projection optical system; a first polarizing plate disposed in an optical path between the liquid crystal element and the projection optical system, for transmitting light of a specific polarization component; a condensing optical system that condenses the light toward the liquid crystal element; a polarizing beam splitter that transmits first light with one polarization component and reflects and separates second light with the other polarization component; a reflecting optical system that reflects the first light toward the liquid crystal element; and a polarization rotation element that rotates a polarization direction of one of the first light and the second light to coincide with the other light in terms of a polarization direction thereof.

Abstract: The semiconductor light emitting element is a semiconductor light emitting element comprising a semiconductor layer including a light emitting layer, wherein a surface of the semiconductor light emitting element includes a light extraction surface. At least one of the light extraction surface and an interface between two layers having different refractive indexes in the semiconductor light emitting element is provided with a periodic recessed and projecting structure having a period that exceeds 0.5 times as great as a wavelength of light emitted from the light emitting layer, and a minute recessed and projecting structure located on a surface of the periodic recessed and projecting structure and having an average diameter that is not more than 0.5 times as great as the wavelength of the light.

Abstract: A light-emitting device with high luminance which has high uniformity in color and intensity can be provided. The light-emitting device includes a mounting substrate, a plurality of light-emitting elements disposed on the mounting substrate side by side, a wavelength conversion plate provided over the plurality of light-emitting elements and having a side surface, and a plurality of bumps disposed on the mounting substrate to abut against the side surface of the wavelength conversion plate, so as to determine a position of the wavelength conversion plate.

Abstract: Provided is a light source apparatus detecting, even when a minute crack occurs in a fluorescent material plate, such a defect to take a safety measure. The light source apparatus includes a laser light source emitting laser light, a fluorescent material plate including a laser light irradiation region and being capable of emitting light by irradiating the laser light irradiation region with laser light to convert the light in wavelength, a light scanning mechanism capable of scanning the laser light irradiation region with the laser light, and a transparent conductive film pattern disposed on the fluorescent material plate in the laser light irradiation region and including a parallel wiring portion in a first direction. The interval between adjacent portions of the transparent conductive film pattern in a second direction intersecting the first direction changes along the second direction depending on a portion which is located within the pattern.

Abstract: Provided is an optical scanner including: a mirror driving unit which drives a scanning mirror which reflects light from a light source based on a drive signal; an optical sensor which detects scanning light entering first and second detection positions set on both sides of a range of the maximum scan angle within the range; and a calibrating unit which calibrates the intensity of the drive signal based on the time point at which the detection is performed and the frequency and intensity of the drive signal.

Abstract: A lighting apparatus includes a laser source configured to emit a laser beam, a homogenizer optical element that includes a light flux dividing section disposed to face the laser source, configured to divide the laser beam into a plurality of separate laser beams in a plane and make advancing directions of the plurality of separate laser beams different from each other, and a light flux superimposing section formed integrally with the light flux dividing section and superimposing the plurality of separate laser beams on each other in a common radiation region, and a fluorescent material disposed to face the homogenizer optical element, excited by the plurality of separate laser beams superimposed in the radiation region using the light flux superimposing section so as to emit fluorescence.

Abstract: To form a light distribution pattern having a light illuminance distribution desirable for a vehicular lamp while reducing the temperature bias of a liquid crystal element. A vehicular lamp system capable of variably setting an irradiation pattern of light irradiated to the surroundings of an own vehicle including a light source, a first optical system for making uniform the intensity distribution of light from the light source, a liquid crystal element for modulating light emitted from the first optical system to form an image, a driving unit for driving the liquid crystal element, and a second optical system for projecting the image formed by the liquid crystal element, wherein the vehicular lamp system has a central axis in which the image incident on the plane including the central axis is projected at a relatively large enlargement ratio as it is farther from the central axis.

Abstract: Provided is a specific object detection apparatus capable of detecting a specific object even when a self-vehicle is positioned at a distance from the specific object during bad weather.