LIGHT EMITTING DEVICE

摘要

PURPOSE: A light emitting apparatus is provided to improve the radiation efficiency of the light emitting apparatus by radiating the heat generated from the LED chip to the heat sink and the case. CONSTITUTION: A light emitting unit comprises a printed circuit board and an LED chip which generates the light. A reflector(200) is arranged to surround the printed circuit board along the edge of the printed circuit board. A heat sink(300) is arranged on the lower part of the printed circuit board. The heat sink comprises a body(310) and a plurality of heat radiation fins(320).