Disclosed embodiments relate to a combination axial fan and LED lighting system configured to fit into the footprint of a standard ceiling tile. Disclosed embodiments further include ceiling tiles with a built-in fan and/or LED lighting. The disclosed systems may include a housing container and an axial fan. The fan has a fan cavity including air diversion mechanism to direct air from the fan cavity toward the lighting and fan components. The inventions include an airflow surface to direct air existing the fan cavity along an LED light fixture. Moreover, disclosed embodiments include one or more UV light sources which irradiate contaminants as air flows through the ceiling tile.

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.

To effective cool inside a lens casing in an LED lighting apparatus that hermetically houses LED elements in the lens casing, the present LED lighting apparatus includes a tubular lens casing having a first end face at which lighting lenses are provided and a second end face, a substrate on which LED elements are mounted, and a base part provided on the second end face side of the lens casing. The base part has a concave part housing therein the substrate. The lens casing is coupled to the base part by a coupling part with the second end face thereof fitted to the concave part, thereby sealing the internal space of the lens casing. The base part has heat radiating columns formed to protrude therefrom to an outside space, and the heat radiating columns radiate heat that the LED elements generate in the internal space through heat exchange with air.

An aromatherapy lamp includes: a lamp holder, including a base, first, second supports, the base configured with a light bulb seat in combination with a light bulb on the base, the first support configured with a placement portion in combination with a container and positioned above the light bulb, and the second support configured on the top face of the base and having a fulcrum positioned above the container; and a rotatable cover, adapted to cover the base from above, a top end of the rotatable cover configured with a fan and a bottom end thereof formed with an opening, a center of the fan configured with an axial center, the rotatable cover adapted to cover the light bulb seat, first, second supports, and the fulcrum adapted to hold the axial center of the fan, allowing the rotatable cover to be separated from the base.

A lighting apparatus which is held in a state of being suspended from a mounting bracket fixed to a ceiling surface and emits illumination light is provided, and the lighting apparatus includes: an illumination light source for generating the illumination light disposed inside a housing; a projector disposed in an inner space of the housing and configured to project an image onto a projection surface; and a lint disposed in an upper portion inside the housing, wherein an air intake and an air outlet are formed at such positions in the housing that air flow generated by the fan is sucked from a lower portion of the housing, passes upward through a vicinity of the illumination light source and the projector, and is exhausted from the upper portion of the housing.

A lighting system network includes first and second lighting systems in communication with each other. The first 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 first and second wavelength spectrums provided by the first and second LED sub-arrays, respectively, are adjustable in response to adjusting an input signal provided to the antenna.

An automotive lighting with automatic brightness adjustment includes a radiator, a light source baseplate in the radiator, a LED lamp on the light source baseplate, a temperature sensor on the light source baseplate and on a side of the LED lamp, a driving power circuit board electrically connected to the LED lamp and the temperature sensor, and a driving IC on the driving power circuit board and electrically connected to the LED lamp and the temperature sensor through the driving power circuit board. The radiator has a light transmission part corresponding to the LED lamp. The driving IC of the present application adjusts the brightness of the LED lamp through the temperature sensor sensing a temperature of the environment where the LED lamp is located.

A waterproof housing with efficient heat dissipation comprises a housing body, a first end cap and a second end cap, wherein the housing body is integrally formed by brushed aluminum process, the first end cap and the second end cap are in a sealed connection with both ends of the housing body respectively, a heat dissipation channel is arranged on an inner wall of at least one side of the housing body, and an air extractor is arranged between the heat dissipation channel and an internal space of the housing body and is configured to draw airflow in the internal space of the housing body into the heat dissipation channel so as to facilitate circulation flow of the airflow between the heat dissipation channel and the internal space of the housing body. The present invention further provides a stage light including a waterproof housing with efficient heat dissipation.

An air exhausting mechanism for a mobile illuminating light tower includes a cooler, an air discharge hood, and a fan. The cooler and the air discharge hood are respectively disposed on two sides of a rear canopy panel. The cooler is mounted on a bottom plate, and is located on the inner side of the rear canopy panel. The air discharge hood is fixedly mounted on the outer side of the rear canopy panel. The cooler is provided with an air inlet and an air outlet. An air exhausting groove is formed in the rear canopy panel. The fan is disposed at the air inlet of the cooler. The air exhausting groove is opposite to the air outlet. The air discharge hood covers the air exhausting groove, and the bottom of the air discharge hood is open. The mobile illuminating light tower is safe and environmentally friendly.

A cooling device for a lighting unit of a motor vehicle, in particular for an LED headlight, at least comprising a metallic base plate, a heat sink, and a fan that is accommodated on a fan mount. The heat sink and the fan mount are situated on the base plate in such a way that an air flow that is generatable by the fan is directed onto the heat sink. The fan mount being made of a metal.