Abstract: A surface light source device includes: a plurality of light-emitting devices, each of the plurality of light-emitting devices including a light-emitting element disposed on a substrate and configured to emit light with a wavelength of 380 to 485 nm and a light flux controlling member disposed over the light-emitting element and configured to control a distribution of light emitted from the light-emitting element; and an optical sheet including a wavelength conversion sheet disposed over the light flux controlling member and configured to convert a wavelength of incident light. The light flux controlling member is formed with a resin composition or a glass composition containing a scattering member, and makes scattering of light with a wavelength longer than the wavelength of 380 to 485 nm large.

Abstract: In an embodiment an automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member disposed in a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, and a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized, wherein the plurality of light sources, when energized, are configured to cause the solid-state lamp to emit, through the light-transmissive housing (a) a luminous flux of at least 1500 lumens +/?10% when energized with a 13.2 Volt test voltage, or of at least 1750 lumens +/?10% when energized with a 28 Volt test voltage, or (b) a luminous flux of at least 1350 lumens +/?10% when energized with a 13.

Abstract: A motor vehicle headlamp system with a first and a second motor vehicle headlamp, wherein each motor vehicle headlamp comprises a first and a second light module, which first light module comprises light pixels, and is arranged to generate a first light distribution (100), and wherein the second light module comprises light pixels, and is arranged to generate a second light distribution (200), wherein each light distribution (100, 200) is formed from several pixel light segments (101, 201), wherein a pixel light segment (101, 201) corresponds to a light pixel and is able to be produced through this, wherein each light distribution (100, 200) is arranged to generate a first pixel light segment group (110, 210) with a first column width (110a, 210a), to generate a second pixel light segment group (120, 220) with a second column width (120a, 220a), which corresponds to ½ of the first column width (110a, 210a), to generate a third pixel light segment group (130, 230) with a third column width (130a, 230a), wh

Abstract: A lighting device for a motor vehicle, wherein the lighting device comprises a printed circuit board having a plurality of light-emitting diodes arranged thereon, an optical disk and a reflector element, wherein the reflector element is arranged between the circuit board and the optical disk, wherein the reflector element has a plurality of segments into which the reflector element is divided, wherein each light-emitting diode is assigned a segment so that light emitted from the LEDs is reflected at the reflector element and passes through the optical disk.

Abstract: A portable illumination apparatus is provided for illumination of an area that is a target of a portable tool for work thereon. The apparatus includes a light head, a clamp, a personal mobile power supply, and a mobile mounting sleeve. The light head is configured to illuminate the target area. The clamp is configured allow the light head to be mounted thereon and secure the mounted light head to the portable tool. The personal mobile power supply is configured to supply the light head with power for the illumination of the target area by the light head. The mobile mounting sleeve is configured to receive the personal mobile power supply therein and secure the personal mobile power supply to an operator of the portable tool.

Abstract: Provided is a vehicle signal light in which a person with protanopia (p-type color vision deficiency) can perceive whether or not the vehicle signal light, e.g., a stop lamp, a tail lamp, or the like, is turned on. The vehicle signal light includes a first light source configured to emit red light and a second light source configured to emit amber light. The first light source and the second light source are simultaneously turned on and are configured to emit light with a higher luminous intensity in response to a braking operation, and the emission intensity of the first light source is higher than that of the second light source.

Abstract: An illuminating device for vehicles, including an elongated light guide, which has an end face for coupling light into the light guide and has a lateral surface, at which the coupled-in light may be totally reflected in a coupling direction. An elongated reflector is arranged so that it follows the light guide and at least partially behind the light guide in the main emission direction. The light guide is designed such that the coupled-in light is coupled out on a rear-side lateral surface and/or side lateral surface facing the reflector and on a front lateral surface facing away from the reflector. The light guide and the reflector each have a corner region, in which sections of the light guide and sections of the reflector enclose an acute or right or obtuse angle.

Abstract: An indicator lamp of the present invention includes a lamp body, a light source unit disposed inside the lamp body, and a light transmissive resin member disposed at a position for transmitting light that is emitted from the light source unit and for outputting the light from the lamp body. The light source unit emits red light having a maximum value of light intensity at a wavelength of 600 nm or longer and 700 nm or shorter. The light transmissive resin member has an L* value of 35 or less, a transmittance of light having a wavelength of 675 nm of 90% or greater and a total light transmittance of 5% or greater in the state in which an optical path length of transmitting light is 2 mm. This configuration provides an indicator lamp with excellent design that shows its presence by showing a red chromatic tone when a light source is turned on and that shows a black color tone when the light source is turned off.

Abstract: An illumination device for a motor vehicle includes at least one light source and an elongated waveguide which is delimited along the length thereof by a lateral surface. The waveguide is configured to guide light from the at least one light source along a light propagation direction in a totally reflective manner, the light propagation direction corresponding to the length of the waveguide. The light of the at least one light source can be coupled into the waveguide via a coupling surface at an end face of the waveguide, and a decoupling structure is provided in the lateral surface of the waveguide for decoupling light, which exits the waveguide via an exit region of the lateral surface along the light propagation direction, thereby overriding the total reflection condition.

Abstract: An embodiment relates to a lighting device.

Abstract: A vehicle head or tail lamp assembly is disclosed. The lamp assembly includes a light emitter having a rectangular surface from which light is emitted; and a back surface having a light reflection factor less than 80%. The back surface defines a border visible adjacent at least three sides of the rectangular surface when the lamp assembly is viewed along an axis projecting normally from the rectangular surface.

Abstract: A light includes a hub and an arm extending radially outward from the hub. The arm includes a light source configured to emit light from the arm. The arm is rotatably connected to the hub such that the arm is configured to rotate about a longitudinal axis of the hub between an extended angular position and a folded angular position. The arm extends radially outward from the hub in a different radial direction in the extended angular position as compared to the folded angular position.

Abstract: A light guide, including a light input surface, a longitudinal path, a lateral surface, wherein at least a portion of the lateral surface is configured as a light exit surface, wherein a first and a second light guide section includes a plurality of light redirection elements, which are configured to redirect light towards the light exit surface, wherein the light exit surface is a curved surface with a primary focal line, wherein each light redirection element has a certain incision-depth, which increases along the longitudinal path, wherein the light exit surface of the second light guide section has a protrusion, which has a secondary focal line, which is closer to the light exit surface than the primary focal line, wherein the light redirection elements of the first light guide section intersect the primary focal line, wherein the light redirection elements of the second light guide section intersect the primary focal line and the secondary focal line.

Abstract: A back panel for a lighting device includes a front panel holding portion, the front panel holding portion has a configuration capable of setting a size of a gap between a front panel held by the front panel holding portion and a panel main body to an arbitrary size.

Abstract: The present disclosure relates to a photosensitive structure and a mobile lighting device. The photosensitive structure includes a head housing, and a metal substrate, a lens, a shading bowl, and a light sensor that are located in the head housing. The metal substrate, the lens, and the light sensor are all fixed in the head housing, and the metal substrate is located between the lens and the light sensor, the metal substrate is electrically connected to the light sensor. The shading bowl is fixed to the metal substrate and located between the metal substrate and the lens. Along a light incoming direction, the photosensitive structure is provided with a light inlet located outside a projection of the shading bowl on the metal substrate, the light sensor is configured to sense an external brightness through the light inlet.

Abstract: A lighting system includes an upper housing supporting a light engine, and a diffuser coupled to the upper housing. The diffuser may be monolithic, i.e. formed of a single material as a single piece without joints or seams where separate components are joined. The monolithic diffuser may be formed by an additive manufacturing process, for example 3D printing. The diffuser may couple to the upper housing with a tool-less connection. The portion of the tool-less connection defined by the diffuser may be formed by the additive manufacturing process. The lighting system may further include a lens coupled to the diffuser opposite the upper housing with a lens retaining ring. The lens retaining ring may be formed with an additive manufacturing process, and may define an annular snap-fit with the diffuser.

Abstract: The present invention relates to a vehicle U-turn indicator system to alert other motorists, cyclists and pedestrians of a potential U-turn made by a vehicle. The indicator is an inverted “U” shaped device having LED lights configured to blink in a running manner from one end to other and vice versa. The blinking of LED lights in one direction indicates U-turn of the vehicle in one direction (i.e. left) and in another direction indicates a U-turn of the vehicle in another direction (i.e. right). The indicator can be mounted to the front and rear of the vehicle in addition to side mirrors. An actuator is used for activating the U-turn indicator in a preferred direction.

Abstract: A rear light unit of a vehicle is provided. The rear light unit includes an array of first light sources, arranged angularly offset along a first inner circumferential arrangement region, and an array of second light sources, arranged angularly offset at least along a second outer circumferential arrangement region concentric to the first inner circumferential arrangement region of the first light sources. The first and second light sources are made by one or more light-emitting diodes with which a light diffusing body is associated, the first light sources having a diffuser body in the form of a prismatic pinnacle, and the second light sources having a blade-shaped diffuser body along whose median axis emerges orthogonally a septum which enters the first inner circumferential arrangement region of the first light sources according to radial directions inserted between two successive light sources.

Abstract: A display apparatus includes a light source, a display panel, a light guide member, and an optical member. The light source is configured to generate light. The display panel is configured to display an image. The light guide member includes at least one surface adjacent to the light source. The optical member is between the light guide member and the display panel. The optical member includes a low refractive layer, a first cover layer, and a light conversion layer. The low refractive layer is on a light output surface of the light guide member and includes side surfaces. The first cover layer is on the low refractive layer and surrounds at least a portion of the side surfaces of the low refractive layer. The light conversion layer is on the first cover layer and is configured to covert a wavelength band of incident light.

Abstract: A backlight module comprises a back plate, a reflective sheet arranged on the back plate and forming a plurality of openings, a plurality of light-emitting elements located in the plurality of openings, at least one optical element arranged on the reflective sheet, and at least a supporting element configured between the back plate and the reflective sheet. The supporting element can move along with the reflective sheet. The supporting element has a base portion and a supporting portion extending from the base portion towards the optical element. The base portion of the supporting element is located between the back plate and the reflective sheet. The supporting portion of the supporting element passes through the reflective sheet to support the optical element. The supporting element is not a fixed design and can move along with the reflective sheet.