A display panel used for coupling to another display panel in a side by side manner is disclosed, which includes: a first substrate, including a first hole, a first surface and a second surface opposite to the first surface; a first conductive layer disposed on the first surface of the first substrate; a first circuit layer disposed on the second surface of the first substrate; a first connecting element disposed in the first hole and connecting the first conductive layer and the first circuit layer; and a first sealing layer disposed on the first conductive layer, wherein the first hole at least partially overlaps the first sealing layer. In addition, a display device comprising two display panels disposed adjacent to each other is also disclosed.