An automotive LED lamp unit includes a plate-like mounting member, LED light sources arranged on two opposite sides of the plate-like mounting member, and a heat sink. The heat sink includes cooling fins and a tapered portion facing the LED light sources and being connected to one end of the plate-like mounting member.

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.

A light source device includes a casing including one end surface, other end surface, and one side surface between the one end surface and the other end surface, a light emitting unit provided on a side of the one end surface in the casing, a heat radiating unit provided in the casing and thermally connected to the light emitting unit, an exhaust port formed at least in a region located in one side surface and facing the heat radiating unit, an axial fan which is provided in the casing and supplies cooling air to the heat radiating unit, and a shielding deflecting plate which is provided between the axial fan and the heat radiating unit and shields a part of the cooling air supplied from the axial fan and deflects a part of the cooling air to a direction away from the exhaust port.

Disclosed embodiments relate to a combination axial fan, LED lighting system and electric blue killer. The disclosed systems may include a housing forming an air chamber and an axial fan. The fan may include a fan cavity having an air diversion mechanism to direct air from the fan cavity toward the lighting, fan and electric bug killing components. The inventions include an airflow surface to direct air existing the fan cavity along an LED light fixture. The LED light fixture emits a blue or light blue light which attracts bugs. Moreover, disclosed embodiments include one or more electric bug killing devices to kill any bugs as air flows through the air chamber. The present invention may also include grow light fixture in the housing.

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.

Disclosed is a starry sky lamp with good heat dissipation effect. The lamp includes a shell, and a laser and a circuit board arranged in the shell, where the laser is electrically connected with the circuit board, and further includes a light-transmitting cover and a heat dissipation fan, where the heat dissipation fan is arranged in the shell, and the heat dissipation fan is electrically connected with the circuit board and blows air towards the laser; and the shell is provided with an opening, the light-transmitting cover is installed at the opening, the light-transmitting cover is a semi-circular hollow structure, and a starry sky effect pattern cutting surface is arranged inside the light-transmitting cover.

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.

The present invention relates to a domestic appliance, in particular a cooking oven, comprising at least one illumination device (10) and at least one cooling channel (30). The cooling channel (30) includes an elongated portion extending inside a wall (12) of a cavity (14) of the domestic appliance. An inner sheet (28) of said wall (12) faces the cavity (14). The cooling channel (30) is connected or connectable to at least one fan (44; 46) for generating an air stream (32, 34, 36) inside said cooling channel (30). The illumination device (10) is provided for illuminating the cavity (14) of the domestic appliance and comprises at least one LED board (16) and at least one transparent panel (18, 20). At least one light emitting diode (22) is arranged at an inner side of the LED board (16) and directed to the cavity (14). A transparent inner panel (20) of the illumination device (10) faces the cavity (14) and is arranged in a cut-out of the inner sheet (28) of the wall (12). The illumination device (10) is at least partially integrated inside the elongated portion of the cooling channel (30), so that a section of said elongated portion of the cooling channel (30) is formed within or by the illumination device (10) and at least a part of the air stream (34, 36) passes through the illumination device (10) and flows along at least one side of the LED board (16).

A lighting and ventilating system includes a main housing with an air inlet and an air outlet a fan provided in the main housing to generate a flow of air between the air inlet and outlet; a grille having a plurality of apertures and coupled to the main housing; and a plate having an aperture located substantially centrally on the plate and defined by an aperture wall with a plurality of mounting notches, the plate coupled to the grille to define an airflow intake gap between the plate and at least a portion of the grille. The system further can include a lamp housing coupled to the grille and including at least a first set of illumination devices.

A combination axial fan and LED lighting system configured to fit into the footprint of a standard ceiling tile. The system includes 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 invention includes an airflow surface to direct air existing the fan cavity along an LED light fixture.