Abstract: A vehicle light installed in a vehicle includes: a main case having a front opening; first and second light guides that are disposed in the main case; light sources that emit light into the first and second light guides; and a translucent cover fitted to cover the opening of the main case. The first light guide is rod-shaped and includes a first extended section extending from the inboard side of the first light guide relative to the vehicle width direction toward the outboard side of the first light guide relative to the same and a second extended section that continues from the first extended section, curves back inwardly, and extends to the inboard side, and the second light guide is plate-shaped and disposed so as to pass in front of or behind the portion of the first light guide that curves back.

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 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: Lighting apparatus for a vehicle includes: night-time low beam light source which mainly illuminates a lower front region in front of the vehicle; and daytime light source which mainly illuminates an overhead region above the lower front region.

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 for vehicle use that projects light forward includes: a base; a first light emitting device disposed on the base; a second light emitting device disposed on the base; a first lens body disposed in front of the first light emitting device; a second lens body disposed in front of the second light emitting device; and a light restrictor adjacent to the first lens body, the light restrictor restricting light emitted by the second light emitting device from entering the first lens body.

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 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 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: An organic electroluminescent device of the present invention comprising comprises, as stacked on a baseplate, at least, a first conductive layer, a charge injection and transport layer, a light-emitting layer, and a second conductive layer, wherein (1) the charge injection and transport layer includes a charge injection layer in contact with the first conductive layer, (2) the charge injection and transport layer has a thickness ranging from 130 to 1000 nm, (3) the charge injection layer contains a crosslinked aromatic amine polymer, and the baseplate is a glass baseplate, and the minimum value of a waviness tangent for the surface of the glass baseplate towards the first conductive layer is equal to or more than 4.00×10?6, or a maximum value of the waviness tangent is equal to or more than 22×10?6.

Abstract: A composition for use in an organic device, useful in producing an organic device, such as an organic electroluminescent element, having high operation stability, is a composition for use in an organic device that contains at least two cross-linking compounds, at least two of the cross-linking compounds having different numbers of cross-linking groups. A polymer film produced by forming a film of the composition for use in an organic device and then polymerizing the cross-linking compounds. An organic electroluminescent element that includes an anode and a cathode on a substrate and at least one organic layer disposed between the anode and the cathode, wherein at least one of the at least one organic layer is a layer that is produced by forming a film of the composition for use in an organic device and then polymerizing the cross-linking compounds.

Abstract: A vehicle light installed in a vehicle includes: a main case having a front opening; first and second light guides that are disposed in the main case; light sources that emit light into the first and second light guides; and a translucent cover fitted to cover the opening of the main case. The first light guide is rod-shaped and includes a first extended section extending from the inboard side of the first light guide relative to the vehicle width direction toward the outboard side of the first light guide relative to the same and a second extended section that continues from the first extended section, curves back inwardly, and extends to the inboard side, and the second light guide is plate-shaped and disposed so as to pass in front of or behind the portion of the first light guide that curves back.

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: The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency. An organic electroluminescent device comprising on a substrate an anode, a hole transport layer, an organic light-emitting layer, and a cathode, wherein the organic light-emitting layer contains an organic compound having a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure and the hole transport layer contains a monoamine compound represented by the following formula (I): wherein R1 to R9 represent a hydrogen atom, an aryl group, or an alkyl group; R1 to R9 may be the same or different from each other; and R1 to R9 may further have an aryl group or an alkyl group as a substituent in the case where R1 to R9 are an aryl group or an alkyl group.

Abstract: The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency. An organic electroluminescent device comprising on a substrate an anode, a hole transport layer, an organic light-emitting layer, and a cathode, wherein the organic light-emitting layer contains an organic compound having a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure and the hole transport layer contains a monoamine compound represented by the following formula (I): wherein R1 to R9 represent a hydrogen atom, an aryl group, or an alkyl group; R1 to R9 may be the same or different from each other; and R1 to R9 may further have an aryl group or an alkyl group as a substituent in the case where R1 to R9 are an aryl group or an alkyl group.

Abstract: A method of controlling an illumination apparatus includes a malfunction detecting step for detecting a malfunction of an organic electroluminescence element based on its electrical characteristic, a short-circuit malfunction restoration step for applying a short-circuit malfunction restoration pulse to an element that is determined to be a short-circuit malfunction, a short-circuit malfunction restoration determination step for determining whether the element that is determined to be the short-circuit malfunction is restored, a malfunctioning element determination step for storing into a storage, when an element that is determined to be the short-circuit malfunction is not restored, individual information including identification information on the element as a malfunctioning element, and a turn-on control step for controlling the turn-on state of a light-emitting surface based on a state of distribution of the malfunctioning organic electroluminescence elements.

Abstract: [Problem to be solved by the Invention] An organic electroluminescence device having a longer drive life is provided. [Means for solving the Problem] An organic electroluminescence device comprises, between a pair of electrodes composed of an anode and a cathode, a light emitting layer, a hole transport layer provided on the anode side of the light emitting layer, and an electron transport layer provided on the cathode side of the light emitting layer. At least one layer among the layers constituting the electron transport layer includes an electron movement suppressing material which suppresses the movement of electrons.

Abstract: The present invention provides an organic electroluminescent device exhibiting a long life, a high luminance, and a high efficiency. An organic electroluminescent device comprising on a substrate an anode, a hole transport layer, an organic light-emitting layer, and a cathode, wherein the organic light-emitting layer contains an organic compound having a pyridine ring, a pyrazine ring, or a triazine ring as a partial structure and the hole transport layer contains a monoamine compound represented by the following formula (I): wherein R1 to R9 represent a hydrogen atom, an aryl group, or an alkyl group; R1 to R9 may be the same or different from each other; and R1 to R9 may further have an aryl group or an alkyl group as a substituent in the case where R1 to R9 are an aryl group or an alkyl group.

Abstract: A composition for preparing a charge-transport film is provided. The composition comprises, at least: a charge-transporting compound having an ionization potential of between 4.5 and 5.5 ev; and an ionic compound selected from the group consisting of the compounds of formulae (1)-(3), wherein R11, R21 and R31 are each independently an organic group bound to A1-A3, via a carbon atom; R12, R22, R23 and R32-R34 are each independently an arbitrary group. Two or more neighboring groups of R11-R34 may combine to form a ring. A1-A3 are each an element of the third and subsequent periods in the periodic table. A1 is an element of group 17 of the long form periodic table; A2 is an element of group 16 and A3 is an element of group 15. Z1n1?-Z3n3? are counter anions and n1-n3 are an ionic valency of the counter anion.