| 摘要 |
A lighting device (100) may be provided that includes a heat sink (140) which includes one surface, a guide including a receiving portion, and a first projection disposed on an outer circumference of the one surface; a light emitting module (130) which is disposed on the one surface of the heat sink; and a cover (110) which is coupled to the heat sink (140) and includes a locking projection (111) coupled to the receiving portion of the heat sink (140), and includes a recess coupled to the first projection of the heat sink. The heat sink (140) and the cover (110) are limited to separate from each other by the coupling of the locking projection and the receiving portion. The cover (110) is limited to rotate by the coupling of the first projection (111) and the recess (110a) of the cover. |
