LIGHTING DEVICE

摘要

The present invention relates to a lighting device (1),comprising a lamp housing (2), a circuit board (4) provided with a light source and a heat sink (3), the circuit board (4) being provided on the heat sink (3) and the light from the light source being emitted through the lamp housing (2), wherein a mechanical locking means (5) is provided between the lamp housing (2) and the heat sink (3) for mechanically connecting both,The lighting device according to the present invention not only can avoid defects caused by silicone. It can save the time on assembling.