US Patent 7965029 Light-emitting diode illumination apparatus

A light-emitting diode (LED) illumination apparatus including a housing, an LED light source, and a power supply unit is provided. The housing has a light source accommodating space, a power supply accommodating space and a thermal isolation channel linked to the atmosphere, wherein the thermal isolation channel is located between the light source accommodating space and the power supply accommodating space. The LED light source is disposed in the light source accommodating space and the power supply unit is disposed in the power supply accommodating space. The thermal isolation channel is capable of preventing thermal interference between the LED light source and the power supply unit.