A light assembly that includes a cover, a housing coupled to the cover, and a lamp base coupled to the cover. The light assembly also includes a first circuit board disposed within the housing. The first circuit board has a plurality of light sources thereon. A heat sink is thermally coupled to the light sources and is disposed within the housing. The heat sink includes openings therethrough. Each of the outer edges is in contact with the housing. The light assembly also includes an elongated control circuit board assembly electrically coupled to the light sources of the first circuit board and the lamp base. The control circuit board extends through the openings. The control circuit board has a plurality of electrical components thereon for controlling the light sources.

A DUV light source module includes a print circuit board, an array of DUV light-emitting diodes (LEDs), a plurality of DUV LED drivers for driving the DUV light-emitting diodes, and a pair of electrical connectors for connecting the DUV LED drivers hence the DUV light-emitting diodes to a power source, and A DUV light source device includes the DUV light source module, a reflector, a heat sink, a heat pipe, a radiator and a fan.

A light generating device (100) comprising a plurality of solid state light sources (10) and a housing (120) comprising side wall elements (20). The light sources (10) are enclosed by the side wall elements (20), and the light generating device (100) generates >=90% of light source light (11) within a triangular prism having a top angle (α)<=180°. The side wall elements (20): —each have a first side (21) directed inwards facing the light sources (10) and a second side (22) which is directed outwards and is reflective for visible light;—are configured at both sides of a housing plane (110), under an angle (β1) between 0-45° relative to the housing plane (110);—have a projection with height H1 on the housing plane (110)—define a largest width (W1) of the light housing 120), wherein H1/W1>1.

A lighting apparatus for use as a surgical headlamp is disclosed. A light emitting diode is positioned in a recess within a frustoconical, thermally-conductive heat sink that has a several circumferential ridges to provide a desired surface area for heat transfer. The diode and the heat sink are provided in a housing that also includes a fan for drawing ambient air into the housing to contact the heat sink and exhausting heated air. A lens is snap-fit into a slide that frictionally engages the interior of the housing, allowing a user to adjust the spacing between the light emitting diode and the lens as desired. Personal cooling apparatuses usable with the lighting apparatus are also described. Auxiliary undergown switches are also described as are personal cooling apparatuses.

A lighting system, such as for an indoor growing facility, comprises a frame, an end electrical connector, a light emitting unit comprising at least one LED and a unit electrical connector, wherein the light emitting unit is positionable within a first mounting region of the frame with the unit electrical connector electrically connected to a light emitting unit electrical connector of the frame. The light emitting unit is removably insertable into the first mounting region through a first opening in a sidewall of the frame

A lighting apparatus for use as a surgical headlamp is disclosed. A light emitting diode is positioned in a recess within a frustoconical, thermally-conductive heat sink that has a several circumferential ridges to provide a desired surface area for heat transfer. The diode and the heat sink are provided in a housing that also includes a fan for drawing ambient air into the housing to contact the heat sink and exhausting heated air. A lens is snap-fit into a slide that frictionally engages the interior of the housing, allowing a user to adjust the spacing between the light emitting diode and the lens as desired. Personal cooling apparatuses usable with the lighting apparatus are also described. Auxiliary undergown switches are also described as are personal cooling apparatuses.

A lighting system, such as for an indoor growing facility, comprises a frame, an end electrical connector, a light emitting unit comprising at least one LED and a unit electrical connector, wherein the light emitting unit is positionable within a first mounting region of the frame with the unit electrical connector electrically connected to a light emitting unit electrical connector of the frame. The light emitting unit is removably insertable into the first mounting region through a first opening in a sidewall of the frame.

An integrated functional multilayer structure, includes a flexible preferably 3D-formable and thermoplastic, substrate film; a lighting module provided upon the substrate film and preferably electrically connected to the circuit design thereon, the lighting module having a circuit board for hosting electronics; and circuitry arranged on the circuit board including at least one light source; a thermoplastic layer including one or more thermoplastic materials molded upon the substrate film and at least laterally surrounding, optionally also at least partially covering, the lighting module; wherein the circuitry on the circuit board of the lighting module including the at least one light source is configured to electrically and thermally connect to a number of locations of the remaining structure beside or underneath the circuit board utilizing at least one connection material positioned in between, preferably at least at the periphery of the circuit board. A related method of manufacture is also presented.

A lighting system, such as for an indoor growing facility, comprises a plurality of lighting units, each lighting unit comprising at least one LED, wherein each lighting unit is powered by a power supply and wherein the plurality of lighting units are arrayed linearly.

Light engine modules include a support member and a solid state light emitter, in which (1) the emitter is mounted on the support member, (2) a region of the support member has a surface with a curved cross-section, (3) the emitter and a compensation circuit are mounted on the support member, (4) an electrical contact element extends to at least two surfaces of the support member, and/or (5) a substantial entirety of the module is located on one side of a plane and the emitter emits light into another side of the plane. Also, a module including means for supporting a light emitter and a light emitter. Also, a lighting device including a housing member and a light emitter mounted on a removable support member. Also, a lighting device including a module mounted in a lighting device element. Also, a method including mounting a module to a lighting device element.