| 摘要 |
PURPOSE: A lighting device is provided to improve cooling efficiency by having an independently arranged air inlet and air outlet. CONSTITUTION: An upper case(150) covers a heat radiation fan(130) arranged on a light emitting module unit. A lower case(160) is combined with the upper case. The lower case fixes the light emitting module unit. The lower case has the first air inlet and air outlet. The upper case has the second air inlet. |
