A display panel includes a single-dam and a barrier structure. The single-dam is located on at least one side of a display area of the display panel and is arranged around at least part of the display area. A first groove is provided between the single-dam and the display area. At least one barrier structure is disposed between the first groove and the display area, and is arranged around at least part of the display area. The barrier structure includes a barrier wall and a second groove located between the barrier wall and the display area.