A luminaire having a waveguide suspended beneath a mounting element, the waveguide has a first surface proximal to the mounting element, a second surface distal to the mounting element, and an edge between the first and the second surfaces. At least one cavity extends into the waveguide from the first surface to the second surface. A LED component is coupled to the waveguide so as to emit light into the cavity. LED support structures are also disclosed.

An improved LED lighting system is provided for overhead ceiling lighting, as well as for other uses. The LED lighting system comprises elongated linear lamps having an LED luminary as a source of illumination and configured to operate as a node of an automated networked lighting system. The linear LED lamps include an interface connector operable to connect to a data network to receive control data and power signals from an external device connected to the network for use in powering LED emitters and controlling one or more operational characteristics of the linear LED lamps. The system includes support connector assemblies for securing the linear LED lamps to a channel member of an overhead dropped ceiling grid.

An illumination device for emitting illumination light, comprising: a light-emitting diode (LED) for emitting LED radiation, a laser for emitting laser radiation, and a luminescent element for at least partial conversion of the LED radiation and the laser radiation into conversion light, which forms at least part of the illumination light. The LED, the laser and the luminescent element are arranged relative to one another in such a way that during operation of the illumination device, on an incidence face of the luminescent element, respectively in a time integral, the LED irradiates an LED irradiation area with the LED radiation and the laser irradiates a laser irradiation area with the laser radiation. The laser irradiation area has at least one intersection with the LED irradiation area.

An aircraft cabin lighting arrangement for illuminating a common space of an aircraft, includes a light output lens for passing light for illuminating said common space of the aircraft, a plurality of light sources having different light emission spectra, the plurality of light sources being arranged for light emission through the light output lens, and a detector for detecting a person's presence in the common space. The aircraft cabin lighting arrangement has at least a nominal day time mode of operation having a first light output, an intermediate mode of operation having a second light output, and a nominal night time mode of operation, and is configured to switch from the nominal night time mode of operation to the intermediate mode of operation as a response to the detector detecting a person's presence in the common space.

A luminaire includes a housing having an outer wall and a mounting wall configured to be secured to a structure. The housing further includes a compartment defined at least partially between the outer wall and the mounting wall. The compartment is configured to support a plurality of control devices. A support is coupled to the housing and supports a light emitter assembly. The support includes a plurality of fins in thermal communication with the light emitter assembly. A wall is positioned between the compartment and the plurality of fins.

The invention discloses a music arctic starry sky lamp comprising a shell assembly, an auroral assembly arranged in the shell assembly and a laser assembly arranged in the shell assembly; the auroral assembly comprises an auroral cover, an auroral piece, a condensing lens, a lens mount, a substrate and a motor arranged from top to bottom; a plurality of irregular plano-convex lenses are arranged on said auroral cover, the number of which is not less than ten, and not less than two thirds of the irregular plano-convex lenses are irregular long-strip-shaped lenses, and the length of the side edge of each irregular long-strip-shaped lens is more than two times of the width thereof; a plurality of plano-convex lenses are arranged on said auroral piece, different in size and irregular in shape, and the focal lengths thereof are different and the size are smaller than the diameter of the condensing lenses.

An LED lighting fixture includes a housing; a substrate located within the housing; a plurality of LED groups of various colors mounted on the substrate, each LED color group including multiple LED components; at least one circuit communicating with a power supply and adapted for powering the LED components; and an optical component located at an output end of the housing. The LED components are arranged along first and second directions orthogonal to one another, such that no two LED of the same color reside adjacent one another along both of the first and second directions, and each LED component is spaced-apart from an adjacent LED component a distance no greater than 1.0 mm.

A vehicle lamp comprises a light irradiation unit including a light source and a board on which the light source is installed, a base member including a first surface for mounting the light irradiation unit and a second surface adjacent to the first surface, a connection terminal arranged on the second surface and extending and protruding in a direction of the first surface, and a coupling member arranged on the board and electrically connected with the light source. The connection terminal is inserted into the coupling member when the board is mounted on the first surface.

A motor vehicle includes headlamps having a plurality of LED light sources, one or more processors, and a memory storing instructions. One or more processors executing the instructions are enabled to receive first data, including at least map data, indicating a road curvature upcoming along a road on which the motor vehicle is traveling. The processors are also enabled to determine a light change, the change adapting a light pattern of the headlamps in at least one of color, intensity or spatial distribution to increase light in a direction of the road curvature ahead of the motor vehicle and shaping light based at least in part on the road curvature. The processors are further enabled to control at least a first plurality of the LED light sources to provide light based at least in part on the determined light change and prior to the motor vehicle reaching the road curvature.

A light source apparatus and a lighting device are provided. The light source apparatus includes a light source assembly, a power source assembly, a first end cap, and a second end cap. The light source assembly includes a light source part and a light diffuser. An interior of the light diffuser includes a first receiving space which extends along a lengthwise direction of the light diffuser and penetrates the light diffuser. The light source part is mounted in the first receiving space along a lengthwise direction of the light diffuser. The power source assembly includes a power source part and a power source cover. An interior of the power source cover includes a second receiving space which extends along a lengthwise direction of the power source cover and penetrates the power source cover. The power source part is mounted in the second receiving space.