| 摘要 |
In a vehicular lamp in which a light source unit that includes an LED as a light source and an optical element is attached to a heat sink, and an LED module in which the LED is mounted to a power supply substrate is pressed against and fixed to a substrate mounting surface of the heat sink via an attachment, a plurality of positioning protrusions that abut an outside edge of the power supply substrate are provided around the substrate mounting surface, and a groove that extends along an outer peripheral surface of each protrusion is provided on at least a side of a base of the protrusion, the side of the base facing the substrate mounting surface. |
