Abstract: A lighting apparatus for vehicle use that projects light forward includes a base, a low beam lamp including a low beam light emitter disposed on the base, a first light emitter disposed on the base and a second light emitter. A lighting controller turns on the low beam light emitter, the first light emitter, and the second light emitter, and an optical system reflects light from the first and second light emitters at least above and below the first and second light emitters, to produce a light distribution pattern. Centers of areas illuminated by the light from the first and second light emitters are horizontally spaced from each other.

Abstract: An illumination apparatus includes an LED, a first lens unit provided above the LED and a cylindrical lens provided above the first lens unit. The first lens unit receives light from the LED and emits the light toward the cylindrical lens. The cylindrical lens emits the light to the outside.

Abstract: A lighting apparatus for vehicle use that projects light forward includes: a base, a low beam lamp including a low beam light emitting device disposed on the base; a first high beam lamp including a first high beam light emitting device disposed on the base; a second high beam lamp including a second high beam light emitting device disposed on the base; and a lighting controller configured to turn on the low beam light emitting device, the first high beam light emitting device, and the second high beam light emitting device when high beams are turned on. A center of an area illuminated by the first high beam lamp and a center of an area illuminated by the second high beam lamp are horizontally spaced apart from each other.

Abstract: A lighting apparatus for vehicle use that projects light forward includes: a base; a low beam light emitting device disposed on the base; a high beam light emitting device disposed on the base; a lens body disposed in front of the low beam light emitting device and the high beam light emitting device; and a first light restrictor disposed in front of the high beam light emitting device, the first light restrictor restricting light emitted by the high beam light emitting device from traveling downward.

Abstract: A lighting apparatus includes: a first light source that emits a first light; a first lens that allows the first light to pass through and exit from a first exit face of the first lens; a second light source that emits a second light; and a second lens that is smaller than the first lens and allows the second light to pass through and exit from a second exit face of the second lens. When viewed from the first exit face side: (i) the first exit face has a recess that is recessed inward from a periphery of the first exit face; and (ii) the second exit face is at least partially disposed in the recess.

Abstract: A vehicle light installed in a vehicle includes: a main case having a front opening; a first light guide disposed in the main case; a first light source that emits light into the first light guide; and a headlamp disposed in the main case. The first light guide (i) is rod-shaped, (ii) includes a first extended section extending from the inboard side of the first light guide relative to the vehicle widthwise direction toward the outboard side and a second extended section that continues from the first extended section, curves back inwardly, and extends to the inboard side, and (iii) opens toward a longitudinal center line of the vehicle. The headlamp is disposed between the first extended section and the second extended section. The first extended section and the second extended section extend toward the longitudinal center line of the vehicle to a point beyond the headlamp.

Abstract: A lighting apparatus includes: a base that is open toward a front and includes a low beam light-distribution pattern forming component; a lens body disposed forward of the base; a first light-emitting device; and a second light-emitting device. Incident light is refracted in a lower portion of the lens body, and the incident light and exiting light travel in substantially same direction in an upper portion of the lens body. The first light-emitting device is disposed behind the lower portion of the lens body, the second light-emitting device is disposed further forward than the first light-emitting device and behind the upper portion of the lens body, and the low beam light-distribution pattern forming component is disposed in front of the first light-emitting device.

Abstract: A composition for an organic electroluminescent device is a composition for forming an organic light emitting layer of an organic electroluminescent device by wet coating process. The composition contains a phosphorescent material, a charge transport material, and a solvent, in which the phosphorescent material and the charge transport material are each an unpolymerized organic compound, and the first oxidation potential of the phosphorescent material ED+, the first reduction potential of the phosphorescent material ED?, the first oxidation potential of the charge transporting material ET+, and the first reduction potential of the charge transporting material ET? satisfy the following condition: ET?+0.1?ED?<ET+?ED+?0.1 or ED?+0.1?ET?<ED+?ET+?0.1.

Abstract: A lighting apparatus includes a ring-shaped light guide including ring-shaped light entry and light exit faces; and light-emitting devices arranged in a ring at predetermined intervals, at positions opposite the light entry face. The light guide includes collimating portions that collimate light emitted from the light-emitting devices. Each of the collimating portions includes light-reflecting faces for collimating, in the direction of the optical axis of the collimating portion, light emitted from the corresponding light-emitting device. The light-reflecting faces include: an outer reflecting face; an inner reflecting face; a lateral reflecting face; and a large radius reflecting face. A distance from the optical axis to an optical axis-side end portion of at least one of the outer reflecting face, the inner reflecting face, and the lateral reflecting face is less than a distance from the optical axis to an optical axis-side end portion of the large radius reflecting face.

Abstract: A lighting apparatus includes: a light guide which is tubular and includes a light entry portion in one end in a tube axis direction; and a light source arranged corresponding to the light entry portion. The light entry portion includes a light redirecting portion which changes a traveling direction of light entering from the first light source to a direction that is substantially parallel to the tube axis direction of the light guide. The light guide includes: plural light-emitting faces which are ring-shaped and formed concentrically in the other end in the tube axis direction of the light guide; and a non light-emitting face which is wall-like and formed along the tube axis direction of the light guide, at a border of adjacent ones of the light-emitting faces.

Abstract: A lighting apparatus includes: a base that is open toward a front and includes a low beam light-distribution pattern forming component; a lens body disposed forward of the base; a first light-emitting device; and a second light-emitting device. Incident light is refracted in a lower portion of the lens body, and the incident light and exiting light travel in substantially same direction in an upper portion of the lens body. The first light-emitting device is disposed behind the lower portion of the lens body, the second light-emitting device is disposed further forward than the first light-emitting device and behind the upper portion of the lens body, and the low beam light-distribution pattern forming component is disposed in front of the first light-emitting device.

Abstract: A lighting apparatus includes a low beam lens, a low beam light-emitting device disposed behind the low beam lens, a plurality of high beam lenses disposed along a periphery of the low beam lens, and a plurality of high beam light-emitting devices disposed behind the plurality of high beam lenses in one-to-one correspondence. At least one of the plurality of high beam lenses includes, on a circumferential edge, a textured surface having light diffusing characteristics.

Abstract: An illumination apparatus, including: multiple LEDs; and a lens unit that is placed correspondingly to the respective LEDs, wherein the lens unit includes a transmission lens, a first total-reflection lens, and a second total-reflection lens, wherein an incidence surface and an emission surface of the transmission lens, as well as incidence surfaces, emission surfaces and total-reflection surfaces of the first total-reflection lens and the second total-reflection lens are two-axis anamorphic aspherical surfaces, a microlens array is formed on at least one of the incidence surface and the emission surface of the transmission lens, a microlens array is formed on at least one of the emission surfaces, the total-reflection surfaces and the incidence surfaces of the first total-reflection lens and the second total-reflection lens, and the microlens arrays each have a structure in which microlenses are periodically arrayed, and are arrayed along the vertical and horizontal directions of the illumination apparatus.

Abstract: A lighting device including: a light guide which is elongated and has a first end portion with an entrance surface; and a light source provided facing the entrance surface of the light guide, wherein the light guide includes: a reflective surface between the first end portion and a second end portion of the light guide; and an exit surface opposite the reflective surface, the reflective surface includes a plurality of grooves which extend in a direction oblique to a direction perpendicular to an extending direction of the light guide in a first region between the first end portion and the second end portion, and the exit surface includes a concave portion which extends from the first end portion toward the second end portion.

Abstract: A lighting apparatus includes: a base that is open toward a front and includes a low beam light-distribution pattern forming component; a lens body disposed forward of the base; a first light-emitting device; and a second light-emitting device. A refractive portion is provided in a lower portion of the lens body, and a non-refractive portion is provided in an upper portion of the lens body. The first light-emitting device is disposed behind the refractive portion of the lens body, the second light-emitting device is disposed further forward than the first light-emitting device and behind the non-refractive portion of the lens body, and the low beam light-distribution pattern forming component is disposed in front of the first light-emitting device.

Abstract: A lighting apparatus to be installed on a mobile object includes: a heat dissipator having a first outer surface and a second outer surface different from the first outer surface; a first light-emitting device thermally coupled to the first outer surface of the heat dissipator; a second light-emitting device thermally coupled to the second outer surface of the heat dissipator; a reflector that reflects light emitted from the first light-emitting device; a first lens that is disposed in a path of light reflected by the reflector and that transmits the light from the reflector along a predetermined lighting direction; and a second lens disposed in a path of light from the second light-emitting device.

Abstract: A lighting device for use with a mobile object includes a lamp having a through-hole, a lamp mount for fixing a lamp to a vehicle body, and a support that is shaft shaped and supports the lamp in a predetermined attitude relative to the lamp mount. The lamp mount has an insertion hole through which the support is to be inserted. The support includes, at the leading end side in the axial direction, a male threaded section to be inserted in the through-hole and, at the trailing end side in the axial direction, a trunk section having approximately the same diameter as the diameter of the insertion hole. The trunk section includes a communication portion that communicatively connects the leading end side and the trailing end side of the trunk section.

Abstract: A composition for an organic electroluminescent device is a composition for forming an organic light emitting layer of an organic electroluminescent device by wet coating process. The composition contains a phosphorescent material, a charge transport material, and a solvent, in which the phosphorescent material and the charge transport material are each an unpolymerized organic compound, and the first oxidation potential of the phosphorescent material ED+, the first reduction potential of the phosphorescent material ED?, the first oxidation potential of the charge transporting material ET+, and the first reduction potential of the charge transporting material ET? satisfy the following condition: ET?+0.1?ED?<ET+?ED+?0.1 or ED?+0.1?ET?<ED+?ET+?0.1.

Abstract: A vehicle light installed in a vehicle includes: a main case having a front opening; a first light guide disposed in the main case; a first light source that emits light into the first light guide; and a headlamp disposed in the main case. The first light guide (i) is rod-shaped, (ii) includes a first extended section extending from the inboard side of the first light guide relative to the vehicle widthwise direction toward the outboard side and a second extended section that continues from the first extended section, curves back inwardly, and extends to the inboard side, and (iii) opens toward a longitudinal center line of the vehicle. The headlamp is disposed between the first extended section and the second extended section. The first extended section and the second extended section extend toward the longitudinal center line of the vehicle to a point beyond the headlamp.

Abstract: A composition for an organic electroluminescent device is a composition for forming an organic light emitting layer of an organic electroluminescent device by wet coating process. The composition contains a phosphorescent material, a charge transport material, and a solvent, in which the phosphorescent material and the charge transport material are each an unpolymerized organic compound, and the first oxidation potential of the phosphorescent material ED+, the first reduction potential of the phosphorescent material ED?, the first oxidation potential of the charge transporting material ET+, and the first reduction potential of the charge transporting material ET? satisfy the following condition: ET?+0.1?ED?<ET+?ED+?0.1 or ED?+0.1?ET?<ED+?ET+?0.1.