| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device capable of improving heat radiation performance.SOLUTION: A lighting device in accordance with the preferred embodiment of this invention comprises a heat radiation body including a first heat radiation part and a second heat radiation part; a light source module including a board arranged on the first heat radiation part of the heat radiation body and a light-emitting element arranged on the board; and a light source providing part arranged within the second heat radiation part of the radiation body to supply a power source to the light source module. The second heat radiation part of the heat radiation body includes an inside part for storing the power source providing part inside, an outside part enclosing the inside part and a first storing part arranged between the inside part and the outside part, the first heat radiation part of the heat radiation body includes an upper part arranged on the inside part of the second heat radiation part and having the board of the light source module and a lower part arranged at the first storing part of the second heat radiation part. |
