An organic light-emitting diode display is provided. The organic light-emitting diode display includes a first substrate, a second substrate, a frit, a metal layer, and an insulating layer. The second substrate is arranged to be separated from the first substrate. The frit is located between the first and second substrates. The metal layer is disposed on the first substrate, and the frit is located on the metal layer. The metal layer includes at least one opening. The frit is located in the opening. The frit has a number of voids arranged to correspond to the opening.