| 摘要 |
A lighting device according to one embodiment of the present invention includes a body which includes a protrusion part which protrudes to the outside, a recess part which is located in the protrusion part, and a cavity inside, a light source which is arranged in the cavity and emits light, and a heat sink which is arranged between the light source and the body, is thermally connected to the light source, and includes a transmission unit which is arranged in the recess part to transmit heat to the body. |
