| 摘要 |
The present invention includes a front light source part which includes at least one point light source and a front block located in the point light source, at least one point light source located in the back of the front light source part, a back light source part including a back block located in the point light source, and a heat radiation part located between the front light source part and the back light source part according to an embodiment. The heat radiation part includes at least one heat pipe which is connected to the front light source part and the back light source part, and vertical heat radiation fins which are separated from each other, are stacked from the front part of a lighting device to the back part, and are thermally connected to the heat pipe. |
