The lighting device includes a lens array having a plurality of lenses and a focal surface located at a focal distance from the lens array, a light source array having a plurality of light sources arranged to emit light towards the lens array with a light output distributed around a primary axis, and a cover layer having a light-transmissive surface portion delimiting light exit openings. The cover layer is positioned to substantially coincides with the focal surface. Each light source forms a combination with a closest lens, each combination having, in a plane perpendicular to the primary axis, a displacement length and a displacement direction, such that there are least two different displacement lengths and at least two different displacement directions.

An illumination device includes two illumination sections. The first illumination section includes a plurality of illumination elements that are each configured to emit light in a light spectrum, wherein the light spectrum is variable. The second illumination section includes one or several illumination elements that are each configured to emit light in a fixed light spectrum, wherein the fixed light spectrum is white.

The invention relates to a lighting device with a relatively simple construction that it is arranged to provide a sparkling light effect. The lighting device comprises (i) a lens array (110) having a plurality of lenses (110a-d) and a focal surface (111) located at a focal distance from the lens array (110), and (ii) a light source array (120) having a plurality of light sources (120a-d), each light source (120a-d) being arranged to emit light towards the lens array (110) with a light output distributed around a primary axis (121a-d), the light sources (120a-d) together defining a light-emitting surface (122) of the light source array (120). The light-emitting surface (122) of the light source array (120) substantially coincides with the focal surface (111) of the lens array (110). In a projection plane (130) perpendicular to the primary axis (121a-d), each light source (120a-d) forms a combination (132a-p) with a closest lens, each combination (132a-p) having a displacement distance (131) with a displacement length (L) and a displacement direction (d) so that the lighting device (100) has a plurality of displacement lengths (L) and a plurality of displacement directions (d). The plurality of displacement lengths (L) comprises at least two different displacement lengths (L), and the plurality of displacement directions (d) comprises at least two different displacement directions (d).

A system and method of assembling a light engine includes determining a desired light output profile for the light engine, selecting a reflector based on the desired light output profile, and selecting one of a first light board and a second light board. The first light board includes a different number of light emitting diodes than the second light board. Each of the first light board and the second light board are capable of providing the desired output light profile when they are coupled with the selected reflector. The method also includes positioning the one of the first light board and the second light board within the housing, adjacent the reflector.

A light fixture assembly for mounting on a mounting surface of a building material includes: a light fixture. The light fixture comprises a main body comprising a back side surface and a light transmissive side surface opposing the back side surface. The main body has a first dimension from a first lateral edge to a second lateral edge opposing the first lateral edge that is greater than a second dimension from the back side surface to the light transmissive side surface. The assembly further includes a mounting adapter provided at the back side surface, and a plate spring provided at the back side surface and extending along a first direction from the first lateral edge to the second lateral edge. The plate spring is configured to apply a restoring force to the first lateral edge and the second lateral edge.

The present disclosure provides a lamp for a medical operating area. The lamp includes a mounting assembly and a luminaire sterilization head. The luminaire sterilization head includes a vacuum, a first light source, and second light source. The vacuum generates a gas stream for evacuating a volume of the aerosol through the luminaire sterilization head. The first light source emits a visible light beam for illuminating the target. The second light source emits ultraviolet light waves along the gas stream for disinfecting the biological agent in the evacuated aerosol. The mounting assembly adjusts the separation distance between the luminaire sterilization head and the target of the medical procedure. The mounting assembly adjusts the orientation of the luminaire sterilization head to alter the angle of the visible light beam emitted by the first light source and the gas stream generated by the vacuum.

This invention relates to selectively-adjustable beam angle lamps, and in particular, selectively-adjustable beam angle LED lamps.

The invention describes a light emitting diode array module comprising at least two light emitting diodes and a lens, wherein the lens comprises one common lens segment, wherein the common lens segment comprises a multitude of sections at least partly encompassing an axis perpendicular to the lens, wherein the sections shape an uneven surface of the lens, wherein the light emitting diodes are arranged to illuminate at least two non-overlapping target areas in a reference plane, and wherein the sections are arranged such that at least one light emitting diode illuminates one respective target area of the target areas. The invention further describes a flash light comprising at least one light emitting diode array module.

The disclosed embodiments include a charging station for an electric vehicle. The charging station includes a plurality of light sources, one or more processors, and memory storing instructions for performing a set of operations. The set of operations includes determining a state of the charging station, the state indicating a status of an electric vehicle at the charging station. In accordance with a determination that the state is a first state, the charging station provides a first visual indication of the first state using a first light source of the plurality of light sources. In accordance with a determination that the state is a second state, the charging station provides a second visual indication of the second state.

A grow light for providing light to one or more plants in a grow area, includes a first light source and a second light source. A first energy conversion component is disposed over the first light source and a second energy conversion component is disposed over the second light source. A power supply is configured to provide power to the first and the second light sources. A controller is configured to control the power supply to provide power to either the first light source or the second light source at a given time. The first energy conversion component converts light received from the first light source into a light having first spectrum and the second energy conversion component converts light received from the second light source into a light having second spectrum different from the first spectrum.