A lamp assembly for a vehicle includes a housing that defines a space; an outer lens that covers the space defined by the housing; and a bezel disposed on the space defined by the housing. The lamp assembly also includes a plurality of OLED modules mounted on the bezel that is disposed on the space defined by the housing, the plurality of OLED modules mounted to be separated from each other. The lamp assembly further includes a drive module configured to control the plurality of OLED modules; and a connecting flexible circuit board disposed on at least one of the housing or the bezel, to which each of the plurality of OLED modules is connected and which is connected to the drive module.