An illumination apparatus includes a solid state light source unit including a plurality of light emitting points that emits light and is arranged on a light emitting face, a plurality of optical elements configured to guide light emitted from the plurality of light emitting points to an illumination target face, a heat conduction member arranged in a space different from a space between the light emitting face of the solid state light source unit and the plurality of optical elements, configured to conduct heat from the solid state light source unit, and a cooling unit configured to supply a first fluid to the heat conduction member along a first flow path and supply a second fluid to the space between the light emitting face and the optical elements along a second flow path, wherein the second fluid is a fluid from which dust or dust and moisture is reduced.

A lighting system includes an LED controller, and an LED array which includes first and second LED sub-arrays, wherein the LED array is operatively coupled to the LED controller. The lighting system includes an antenna in communication with the LED controller. First and second wavelength spectrums are provided by the first and second LED sub-arrays, respectively, and are adjustable in response to adjusting an input signal provided to the antenna.

An air moving device includes a housing member, a rotary fan assembly, and a nozzle. The air moving device further includes a light source member mounted within the nozzle. The light source member can be placed within a flow of air moving out the end of the nozzle in a generally columnar pattern. The flow of air can be used to cool the light source member.

An LED illumination device includes an LED device; a base having a concavity for receiving the LED device; a heat sink including a plate coupled to the base and a plurality of fins extending from a surface of the plate opposite the base, the fins extending laterally beyond sides of the plate; a cooling fan for forcing air over the fins; and a casing housing the LED substrate, the base, the heat sink, and the cooling fan.

A heat sink arrangement can be comprised of a substantially planar base and fins extending upwards from the planar base. The planar base can be shaped in accordance with a light-emitting diode (LED) light fixture. An improved heat sink that the planar base is a component of can be capable of fitting within the LED light fixture. The space between the fins can form air pathways. Each fin can be substantially arced in shape, originating from a central region of the planar base and ending at an outside edge of the planar base.

A lighting module for a motor vehicle including: a support plate; at least one source of light which is arranged on a first face of the support plate; a heat dissipater which is arranged on a second face of the support plate, opposite the first face; a fan which is arranged between the heat dissipater and a plenum, the fan being designed to aspirate a flow of hot air which is dissipated by the heat dissipater, and is obtained from an incoming flow of air; a plenum which is designed to cover the fan, the plenum including a peripheral skirt which is designed to surround the heat dissipater; an optical assembly which cooperates with rays of light of the at least one source of light, in order to produce a light beam.

A stage light fixture is provided with a light source and with a cooling assembly configured to cool the light source; the cooling assembly comprises at least one cooling device configured to generate a flow of cooling air through an outlet opening having an elongated shape along a main axis.

A cove light fixture with a hidden integrated air return is provided. The cove lighting structure can include a return air structure comprising a vent configured to receive return air. The cove lighting structure can include a cove structure connected with a platform extended laterally from the return air structure. The cove lighting structure can include a light fixture comprising a light source configured to provide cove lighting. The light fixture can be positioned above the platform and between the cove structure and the return air structure.

A light assembly is configured to provide a uniform light pattern onto a target, and may include a housing, a light source retained within the housing, wherein the light source is configured to generate a generated light beam, and a light homogenizer retained with the housing and disposed within a light path downstream from the light source. The light homogenizer includes a main body having an input end and an output end, and is configured to receive the generated light beam at the input end. The light homogenizer is configured to homogenize the generated light beam and output homogenized light at the output end. A focusing lens may be moveably retained with the housing and disposed within the light path downstream from the light homogenizer. The focusing lens is configured to focus the homogenized light onto the target.

A grow light system for growing plants. The grow light system can have a carrier board assembly containing a plurality of apertures and a plurality of LED modules removably engaged with the carrier board in the apertures and forming a gap between LED module and the carrier board. The grow light system can be configured to draw air through the gap over the LEDs and along the heat sink fin to reduce the temperature of the LED module. A plurality of the LED modules can be connected in series and the carrier board can include a dedicated receptacle for a single LED module that is not connected in series with the remaining LED modules.