Abstract: An ultra thin lighting element including at least one light source (1b). A lightguide element (2c) includes one lightguide layer comprising a plurality of discrete fine optic surface relief structures (3e) on at least one portion of at least one surface. Each surface relief structure (3e) includes basic structural features on the order of about 10 microns or less in height, and on the order of about 10 microns or less in each lateral dimension. The number, arrangement and size of each surface relief structure (3e) and height and lateral dimensions of the structural features of the surface relief structures (3e) being varied to provide a desired degree of outcoupling modulation of light incoupled into the light guide element.

Abstract: A Cast Guard Unit (CGU) light fixture is suitable for dry and wet areas and seals a wiring cavity using a single O-Ring. A cylindrical projection of the CGU center telescopingly engages a cylindrical cavity in the CGU top to varying depth and flanges on the CGU center and CGU top sandwich a light shade. The engagement of the cylindrical projection into the cylindrical cavity is free to vary to accommodate varying thicknesses of various light shades. The O-Ring resides between the cylindrical projection and the cylindrical cavity sealing the wiring cavity.

Abstract: A sealed LED light module comprises a base plate, having at least one LED, and a cover providing a base plate support. The base plate is located on the cover to define an inner space which is sealed against the environment. For sealing the cover has at least one sidewall, which defines a trench together with at least one base plate support, and the trench holds a seal which interacts with at least one edge of the base plate and the surface of the trench to seal the inner space against the environment.

Abstract: A vehicle decorative component functions as a decorating illumination while harmonizing with peripheral members. In a light emitting ornament having a light emitting region that emits light and a non-light emitting region adjacent to the light emitting region, the light emitting region includes an irradiation body including a lamp and a light guiding body, an ornament base material through which the light emitted from the irradiation body is transmitted at a front position of the irradiation body, and a decorative film formed at a front position of the ornament base material and exposed on the vehicle interior side, the decorative film through which the light transmitted through the ornament base material is capable of being transmitted, and a decoration style of a surface of the decorative film exposed on the vehicle interior side is the same as a decoration style of a surface of the non-light emitting region.

Abstract: An interchangeable electrical assembly provides a tactile switch that selectively opens and closes a circuit for operating myriad styles of illumination devices. The tactile switch detachably mates with, and regulates conduction of direct current to the illumination device. The tactile switch also provides tactile feedback of an operating position. A wire carries a 12 volt direct current into a switch housing. A conductive member receives the direct current. A cap receives a force to axially displace the conductive member while providing tactile feedback to the position of the conductive member. A contact pin operatively connects to the conductive member. A spring biases the conductive member to disengage from the contact pin. The cap selectively displaces the conductive member to engage the contact pin. An illumination device detachably mates with tactile switch, and includes a conducting shaft, an inverter for converting direct current to alternating current, and circuitry to generate illumination.

Abstract: An illumination light source emits white light resulting from mixing of light emitted from an LED chip and light emitted from a plurality of phosphors. A light emission spectrum of the white light has a peak in a wavelength range from 430 nm to 460 nm. In the light emission spectrum, a proportion of optical intensity at a wavelength of 510 nm relative to optical intensity at the peak is 0.45 or more, and a proportion of optical intensity at a wavelength of 580 nm relative to the optical intensity at the peak is 0.60 or more. Furthermore, in the light emission spectrum, a proportion of optical intensity at a wavelength of 650 nm relative to the optical intensity at the wavelength of 580 nm is 0.4 or less.

Abstract: Various embodiments relate to a cooling module for cooling a plurality of LEDs that includes a heat sink having a LED side sand a cooling side arranged at opposite sides of the heat sink. The LEDs arranged on the LED side and a first flow channel and second cooling channel are arranged adjacent to each other at the cooling side. The cooling module comprises a first blower and a second blower respectively configured to blow cooling air in a first flow direction through the first flow channel in a second flow direction through the second flow channel, where the first flow direction and the second flow direction being opposite each other. Certain embodiments also related to the light fixture comprising such cooling module and approaches for cooling a plurality of LEDs.

Abstract: A lighting device comprising one or more solid state light emitters which emit near ultraviolet light and one or more lumiphors which emit light having a wavelength in the range of from 555 nm to 585 nm, which in the absence of other light would produce a mixture of light within an area defined by x, y coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), and (0.36, 0.38). The lighting device may further comprise one or more 600 nm to 630 nm light emitters, and a mixture of light emitted from the lighting device may be within ten MacAdam ellipses of the blackbody locus. Also, packaged solid state light emitters and methods of lighting.

Abstract: A light fixture is configured for use in either retrofitting an existing troffer light fixture or for use in new construction. The light fixture includes a self-supporting adaptor bracket configured to rest on a T-bar of a ceiling system and further configured to optionally receive a housing of the existing troffer light fixture. The light fixture further includes a door assembly including a latch configured to engage a latch surface of the adaptor bracket, a hinge configured to interface with a slot of the adaptor bracket, a housing including the latch and the hinge, and a light source within the housing.

Abstract: A lighting device may be provided that includes: a body; a first light source and a second light source, which are disposed on the body and are disposed symmetrically with each other with respect to a central axis of the body; a first light guide unit which is disposed on the first light source and is coupled to the body; and a second light guide unit which is disposed on the second light source and is coupled to the body. The first light guide unit and the second light guide unit are disposed symmetrically with each other with respect to the central axis of the body.

Abstract: The invention relates to a lighting device (11; 31; 41; 51) which is equipped with a plurality of semiconductor light sources (14, 15) of different colors, downstream of which a common diffusor (17) is arranged, wherein the lighting device (11; 31; 41; 51) has at least one light sensor (21) optically coupled to the diffusor (17).

Abstract: A light source module includes a circuit board, a light-emitting diode package configured to be mounted on the circuit board, and a quantum dot package which is disposed apart from a side of the light-emitting diode package by a predetermined distance, and mounted on the circuit board and to convert a wavelength of light incident thereupon.

Abstract: A high-intensity LED lighting system is presented whereby one or more LED lighting fixtures are affixed to an elevating structure, the elevating structure having a substantially continuous internal pathway. Said pathway can be used as a conduit or duct for pressurized air which is introduced at or near the bottom of the elevating structure and forced upwardly toward the lighting fixtures so to provide cooling of one or more components of the lighting fixtures so to, ultimately, improve the efficacy of the LEDs contained therein. A method of designing lighting systems, including analysis of whether or not to add air cooling to increase light source efficiency is also disclosed.

Abstract: A gauge assembly includes a gauge surface and a light guide. The gauge surface includes a concave surface having an illuminable scale. The light guide forms a geometric shape corresponding to the concave surface of the gauge surface. The light guide has ends that curve away from the gauge surface to receive light.

Abstract: A light emitting module includes a module body, a light source unit, a plurality of heat dissipation fins, an air hole formed through the module body for allowing air to flow therethrough, an air guide unit formed at an edge of the air hole such that the air guide unit communicates with the air hole to guide air, and an optical cover covering the light source unit. The optical cover has a cover hole at a location corresponding to the air hole. The optical cover includes an inner partition wall located around a periphery of the cover hole and extending into the module body at the periphery of the air hole. The optical cover also includes an outer partition wall located at a periphery of the optical cover and defining a closed space in which the light source unit is located, the outer partition wall extending into the module body.

Abstract: A vehicle lamp control apparatus includes a receiver, a storage, a correction section, and an adjustment instruction section. The receiver receives output values of an acceleration sensor. The storage stores information indicating an ideal positional relationship between sensor-side axes and vehicle-side axes. The correction section plots the output values, obtained during running of a vehicle, on coordinates in which acceleration in a vehicle longitudinal direction is set to a first axis and acceleration in a vehicle lateral/vertical direction is set to a second axis, derives a straight line from plotted points, calculates displacements of the sensor-side and vehicle-side axes from the ideal positional relationship, using an inclination of the straight line, and corrects the information. The adjustment instruction section derives a tilt angle of the vehicle from current acceleration using the corrected information, and generates a control signal to instruct adjustment of an optical axis of a vehicle lamp.

Abstract: A hands-free wearable lighting device is a device utilized to provide illumination to the user's surroundings while being worn. At least one multicolor light-emitting diode (LED) is positioned within an LED compartment located on a housing. A control unit, a brightness adjustment switch, and a color adjustment switch allow the user to alter the light of the at least one multicolor LED. A necklace allows the housing to be worn around the user's neck in order to provide hands-free illumination. The user may utilize the device as a handheld light by grasping the device via a finger tab. Additionally, the user may utilize a prop stand to direct the light from the at least one multicolor LED in a desired direction. The device may include a laser diode as well in order to allow the device to emit a laser in addition to regular illumination.

Abstract: The current invention relates to a yacht or other vessel, such as a ship, comprising a hull and a superstructure, wherein at least one of the hull and the superstructure comprises cladding elements thereon or therein, wherein at least a selection of the cladding elements comprise an at least partially transparent cover and at least one light source, wherein the light source is shielded by the cover. Furthermore, the invention relates to a cladding element containing light sources, to be in use arranged on the hull of a yacht, or in swimming pools and in particular side walls and/or bottoms thereof, as well as on surrounding structures, like a pool house or paths or pavements there around, in bridges, for example on bridge decks and/or against uprights and/or stairs and/or walls, or in ornamentation of public spaces and public structures.

Abstract: A refrigerator with an ultraviolet LED may be provided that includes: a first wall surface; a second wall surface; a reflector disposed between the first wall surface and the second wall surface, and comprising an inner curved surface and an outer surface disposed on the first wall surface and the second wall surface; a first base disposed on a first end of the inner curved surface of the reflector; a second base disposed on a second end of the inner curved surface of the reflector; a first ultraviolet LED being disposed on the first base, and configured to emit ultraviolet lights to the inner curved surface of the reflector; and a second ultraviolet LED being disposed on the second base, and configured to emit ultraviolet lights to the inner curved surface of the reflector.

Abstract: Embodiments provide an illumination device comprising an elongated base and a pivotable elongated illumination unit. Said pivotable elongated illumination unit is mounted to be pivotable about a longitudinal axis by means of at least one joint. Both the elongated base and the pivotable elongated illumination unit extend in parallel with said longitudinal axis. In particular, the longitudinal extension of the pivotable elongated illumination unit is limited by two opposing lateral faces. The illumination unit includes at least two illumination elements arranged along the pivotable axis, so that a distance between two neighboring light emitting elements corresponds to 1.5 to 2.5 times the distance between a light emitting element that is positioned adjacently to a lateral face and the corresponding lateral face.