A headlight for a vehicle with a cooling device for a semiconductor illuminant, wherein the cooling device comprises a fluid circuit with an evaporator, on or in which the semiconductor illuminant is arranged and a cooling medium can be evaporated, and wherein the cooling device further comprises a condenser on or in which the cooling medium can be condensed. The cooling medium comprises a first coolant, which has a first lower evaporation temperature and the cooling medium comprises a second coolant, which has a second higher evaporation temperature.

A vehicle luminaire according to an embodiment includes: a socket which includes a concave portion and a convex portion provided in a bottom surface of the concave portion; and a light-emitting module which is provided inside the concave portion. The convex portion includes a seat portion and at least one connection portion of which one end portion is connected to a side wall of the seat portion and the other end portion is connected to a side wall of the concave portion. The light-emitting module includes a substrate which is provided in a surface opposite to the bottom surface of the concave portion in the seat portion with a heat transfer portion interposed therebetween and at least one light-emitting element which is provided in the substrate. A planar dimension of the seat portion is smaller than a planar dimension of the substrate.

An illuminated vest for use by an individual has been provided. The illuminated vest includes one or more batteries that are placed in one or more pockets of a transparent polyvinyl chloride (PVC) vest. The transparent PVC vest is constructed as two or more separate PVC vests with either heat sealed or sewn edges. Further, one or more light strands are encased inside the transparent PVC vest. A light control device controls the power supply from the one or more batteries to the one or more light strands based on an input provided by a user, and accordingly, turns ON or OFF the one or more light strands.

The present invention provides a patch LED light bulb comprising a lampshade and a base. It further comprises a light source baseboard and a power supply board which are disposed inside the lampshade and electrically connected to each other. The light source baseboard is pasted or soldered with more than one LED chip. The lampshade comprises a cover body and an assembly portion integrally connected to the cover body. The assembly portion is inserted into the base. A limiting slot is provided on the assembly portion. A positioning slot is provided on the light source baseboard. The power supply board abuts against the light source baseboard and is perpendicular to the light source baseboard. The power supply board is integrally connected with a limiting protrusion for inserting to the limiting slot and a positioning protrusion for inserting the positioning slot.

A light module and a manufacturing method are provided. The light module comprises a first and a second substrate separated from a prefabricated substrate along a closed curve, the first substrate is detachable connected and/or fixed with the second substrate; light emitting elements mounted on one of the first and second substrate; and a drive element mounted on the other one of the first and second substrate. The method comprises: determining a closed curve on a prefabricated substrate to separate the prefabricated substrate into a first region and a second region; providing light emitting elements and first electronic element on first surface of the prefabricated substrate; providing second electronic element on second surface of the prefabricated substrate; separating a first and second substrate from the prefabricated substrate along the closed curve; and assembling and connecting the second substrate with the first substrate at a separation opening.

A light display system and device for use in a body of water or other liquid is described. The light display device may be controlled remotely via a control hub and/or control panel, or controlled by internally preprogrammed commands. A plurality of light display devices may be controlled in selected, choreographed sequences to provide various unique visual displays including, for example, geometrical patterns and/or naturalistic patterns giving the impression of organic phenomena such as swarming fireflies, bioluminescent creatures and the like.

Provided is a lighting device that converts an exiting light into a stereoscopic light having a sense of depth or a sense of volume, whereby light images having stereoscopic effects can be implemented using light emitted from a light-emitting device and simultaneously, a structure of a printed circuit board (PCB) located at a lower portion of a light passage portion is eliminated and a direct-type light-emitting device located at sides of the light passage portion and having high versatility is used such that flexibility of the light passage portion is attained and a degree of freedom of a design can be enhanced.

The invention relates to a motor vehicle headlamp (101) comprising a light source (105), projection optics (102, 202) and a bracket (106, 206), wherein the light source (105) is mounted on the bracket (106, 206) and is configured to project light in the direction of a projection axis (104, 204) by means of the projection optics (102, 202), wherein the projection optics (102, 202) are mounted in a frame (103, 203) which is movably arranged in the bracket (106, 206). The headlamp further comprises a lever (107, 207) which is rotatably connected, by means of axis elements that form a pivot axis running transversely or normal to the projection axis (104, 204), to the bracket (106, 206). The frame (103, 203) comprises at least one lug (110, 210) which is located between the bracket (106, 206) and the lever (107, 207), and the lever (107, 207) is configured, in the event of a rotational motion around the pivot axis, to press on the at least one lug (110, 210), and thereby to displace the frame (103, 203) in the bracket (106, 206) along the projection axis (104, 204).

A luminaire for disinfecting a target surface includes a disinfecting light source, a non-disinfecting light source, a beam angle adjustor, a motion sensor, and a distance sensor. The radiance of the disinfecting light is calculated based on detected distance to a target surface and beam angle, and may be selected to achieve a predetermined irradiance of the target surface. If no motion is detected by the motion sensor then the disinfecting light source is set to ON and the non-disinfecting light source is set to OFF. If motion is detected and a beam intercept is not detected by the distance sensor then the disinfecting light source is set to DIM and the non-disinfecting light source is set to ON. If motion is detected and a beam intercept is detected then the disinfecting light source is set to OFF and the non-disinfecting light source is set to ON.

A light display system and device for use in a body of water or other liquid is described. The light display device may be controlled remotely via a control hub and/or control panel, or controlled by internally preprogrammed commands. A plurality of light display devices may be controlled in selected, choreographed sequences to provide various unique visual displays including, for example, geometrical patterns and/or naturalistic patterns giving the impression of organic phenomena such as swarming fireflies, bioluminescent creatures and the like.