LIGHT-EMITTING DEVICE LAMP

摘要

A light-emitting device lamp includes a light-emission unit including one or more light-emitting elements; a power circuit unit supplying a power to the light-emission unit; a heat radiation unit having the light-emission unit mounted therein and radiating heat that is generated by the light-emission unit; and a housing contacting and surrounding a portion of an outer circumference of the heat radiation unit and transmitting heat generated by the power circuit unit to the heat radiation unit.