Abstract: A signal lighting device or lighting device, for a motor vehicle headlight, including light sources for emitting light rays and a light guiding body (LGB) with two light-emitting surfaces (LESs). The LGB includes a beam splitting device with a total internal reflection surface (TIRS), which totally reflects part of the incident light rays and deflects them from the light guide main propagation direction to one of the LESs. The TIRS has individual optical structures (OS), which allow incident light rays to pass through to the other LES. Each OS is designed as a recess in the TIRS, the recess, starting from an opening in the LGB, being delimited by lateral surfaces extending into the LGB. One lateral surface (the base surface) is oriented such that light rays pass through it toward the first LES.

Abstract: A light distribution device, for distributing light rays from an ancillary light source onto a scene to be lighted. The device includes a planar waveguide, a recess in the planar waveguide for injecting light rays into the planar waveguide, and a through opening in the planar waveguide for extracting light rays from the planar waveguide. In this way, light can be distributed over a large area, homogeneously and with a thin, easily manufactured device.

Abstract: Example embodiments relate to compact luminaire heads. One example luminaire head includes a thermally conductive metal body that includes a plate-like portion, a tube portion, and at least one cooling fin. The plate-like portion extends in a longitudinal direction of the metal body and having a flat first surface and a second surface opposite the first surface. The tube portion extends in the longitudinal direction at the second surface. The at least one cooling fin extends away from the second surface adjacent to the tube portion. The luminaire head also includes at least one support substrate with a plurality of light emitting elements. The at least one support substrate is arranged against the first surface. The tube portion is shaped to receive in a first open end thereof a rigid cylindrical end portion of a mounting base, such as a pole for the luminaire head.

Abstract: The invention provides a vapor chamber element (1000) comprising a first part (1100), a second part (1200), and a third part (1300), wherein the second part (1200) and third part (1300) are associated to the first part (1100), wherein the second part (1200) and third part (1300) are configured spatially separated with a first distance (d1) along a first length (L1), defining an opening (200) between the second part (1200) and the third part (1300); wherein the vapor chamber element (1000) comprises one or more vapor chambers (100) at least partially comprised by the second part (1200) and third part (1300); wherein the vapor chamber element (1000) further comprises one or more heat fin elements (2000), wherein the one or more heat fin elements (2000) comprise one or more heat fins (2100), wherein the one or more heat fin elements (2000) bridge the first distance (d1) and close a part of the opening (200).

Abstract: The application provides a downlight emergency power supply device, including an emergency power box having an accommodation cavity; a connection structure configured to fix a luminaire to the emergency power box, and comprising two clamping assemblies arranged oppositely, wherein the clamping assemblies are elastically connected to an outer side of the emergency power box; and a power supply assembly, fixed in the accommodation cavity, and configured to supply power to the luminaire; wherein the two clamping assemblies clamp and fix the luminaire in an inward or outward rebound state. By setting two clamping assemblies to clamp and fix the luminaire on the emergency power supply, it is simpler and less time-consuming to assemble than the screw mounting method used in the related art, without the need for manual screwing. Besides, the two clamping assemblies of the connection structure can be automatically clamped, achieving semi-automatic assembly, which is convenient and efficient.

Abstract: A light emitting device includes a housing; a light source unit; and a cooling unit provided in the housing to discharge heat to an outside of the housing by means of a gas, the heat being generated by the light source unit. The cooling unit includes an introduction portion, a heat exchange portion, and a circulation portion that guides the gas from the introduction portion to the heat exchange portion. The circulation portion includes a first flow path receiving the gas from the introduction portion, and a second flow path receiving the gas from the first flow path, and being connected to the heat exchange portion. The first flow path includes a portion having a flow path area larger than a flow path area of the introduction portion.

Abstract: A light-emitting device includes: a light source that radiates primary light; and a first phosphor that absorbs the primary light and converts the primary light into first wavelength-converted light having a longer wavelength than the primary light, wherein the primary light is laser light, the first wavelength-converted light includes fluorescence based on electron energy transition of Cr3+, and a fluorescence spectrum of the first wavelength-converted light has a maximum fluorescence intensity value in region of a wavelength exceeding 710 nm.

Abstract: Ceiling illumination is a method by which indirect lighting can be achieved in a space to replace a recessed downlight and to provide better light utilization and application efficiency. A solid-state lighting apparatus is invented which includes a support structure and a substrate for mounting LEDs and configured to emit light in a direction such that, when installed as per the invented method, can illuminate a ceiling and subsequently the space below it.

Abstract: A display system for a vehicle includes a light source configured to emit a light and a fiber-optic cable coupled to the light source. The fiber-optic cable has a first fiber end and a second fiber end opposite the first fiber end. The first fiber end is coupled to the light source. The second fiber end is attached to a vehicle body of a vehicle. The display system includes a piezoelectric actuator coupled to the fiber-optic cable end adjacent to the second fiber end. The piezoelectric actuator is actuated to vibrate the second fiber end of the fiber-optic cable to project an image on the vehicle body adjacent the second fiber end while the light source is activated.

Abstract: The invention relates to a light module for a motor vehicle headlamp that has semiconductor light sources and a primary lens unit, wherein the primary lens unit comprises preliminary lenses. The light deflection surfaces in the preliminary lenses each have a first subsection and second subsection, wherein the curvatures and/or slopes of the subsections differ, such that the directions of the optical axes in the first subsections differ from the directions of the optical axes in the second subsections.

Abstract: Disclosed is a luminaire configured to provide for an adjustable lighting profile. The characteristics that define the lighting profile include the angle and intensity of light emitted from the housing of the luminaire. An example luminaire comprises: a housing and a light source positioned within the housing. The housing defines two lateral side openings and a front opening through which light emitted by the light source can escape; the housing includes a plurality of interior reflective surfaces that redirect light emitted by the light source; and the housing includes an adjustable reflector that is rotatably coupled to the housing and used to selectively block at least a portion of the front opening.

Abstract: A method for operating an automotive lighting device including providing a first preliminary current profile, calculating a first preliminary derating time associated to the first preliminary current profile, providing a second preliminary current profile, calculating a second preliminary derating time associated to the second preliminary current profile, feeding the first light module with a first current profile which provides a total amount of current lower than the first preliminary amount of current, and feeding the second light module with a second current profile which provides a total amount of current higher than the second preliminary amount of current.

Abstract: The present disclosure provides a meteor projection structure, which includes at least one polygonal reflecting wheel, at least one laser device, at least one light-permeable sheet and at least one motor. At least one side of the polygonal reflecting wheel is provided with a reflecting surface, a light emitted by the laser device is first reflected by the reflecting surface, and then emitted by the light-permeable sheet, wherein the light-permeable sheet intersects with an emergent light path; the motor is connected with the polygonal reflecting wheel through a transmission mechanism. A meteor lamp is further provided, which includes a housing and the meteor projection structure as described above. In the present disclosure, the motor drives the polygonal reflecting wheel to rotate; when a laser emitted by the laser device passes through the rotating polygonal reflecting wheel.

Abstract: Generally, embodiment(s) disclosed herein may include modular luminaires and customizable luminaire combinations to produce desired overall illumination patterns, modular luminaires interchangeable between one or more lighting systems/luminaires having differing configurations, and/or luminaires with portions thereof formed primarily by optical waveguides, e.g., a wall sconce where primarily only waveguides extend from the wall. Further, contemplated throughout this disclosure is modification of panel-style and/or blade-style waveguide(s) for use with luminaire configurations having different sizes, shapes, and structural elements including as modular luminaires for use in creating further customizable lighting systems/luminaires.

Abstract: A light emitting device of the present invention includes a light emitting substrate including an insulating substrate, a circuit pattern layer disposed on one surface of the insulating substrate, and at least one light emitting element bonded to the circuit pattern layer, a flat heat pipe mechanism that removes heat from the light emitting substrate, a temperature of which is increased with light emission of the at least one light emitting element, and a cooling unit that cools the flat heat pipe mechanism.

Abstract: There are provided a light emitting unit using a wavelength conversion member which may be put to practical use, and a display and a lighting apparatus which include the light emitting unit. The light emitting unit includes: a light source; an optical part including a light incident surface, the light incident surface facing the light source; a wavelength conversion member provided between the light source and the light incident surface; and a holding member holding the wavelength conversion member at a position between the light source and the light incident surface of the optical part.

Abstract: A lighting device for vehicles having a light source apparatus for emitting light, having an optical apparatus, which contains a lens arrangement with a multiplicity of lenses, for deflecting the light in accordance with a specified light distribution, and having a positioner for adjusting a lens along an optical axis of the lens arrangement, wherein the positioner is implemented as an apparatus for setting basic scatter width in such a manner that light can be projected in different scatter widths for a specified basic lighting function.

Abstract: Aircraft headlight includes at least one light source; and a light transmissive cover, at least partially covering the at least one light source. The light transmissive cover includes a first layer made of a first material; a second layer made of a second material, which differs from the first material; and at least one electric heating wire for heating the light transmissive cover by passing an electric current through the electric heating wire. The at least one electric heating wire is embedded into the first layer.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board.

Abstract: A lamp head assembly includes a lamp holder, a light-emitting element, a first lampshade, and a second lampshade. A plug interface is disposed on the lamp holder for supplying power, and the light-emitting element is inserted into the plug interface. The first lampshade includes a first connecting port and a first accommodation cavity, the first connecting port is communicated with the first accommodation cavity, the first lampshade is connected to the lamp holder through the first connecting port, and the light-emitting element is located in the first accommodation cavity. The second lampshade includes an extension body and an abutting portion, and the abutting portion is connected to a first side of the extension body. The abutting portion abuts against the first connecting port, or, the abutting portion abuts against the lamp holder. The extension body extends from the abutting portion toward the first accommodation cavity.