US Patent 10161619 LED illumination device with vent to heat sink

A light fixture includes a housing comprising a body portion with an opening at a first end, a power supply at an opposing second end, and a heat sink comprising a plurality of fins between the opening and the power supply. A mating surface is positioned proximate to the opening. The mating surface includes a set of landing pad areas and a set of open areas. The fixture also includes a set of light emitting diode (LED) modules, each of which is positioned in the opening and secured to a landing pad area of the mating surface. The LED modules are arranged so that the plurality of open areas remain open to the atmosphere and provide an air path to and from the heat sink.