A display device comprising: a substrate including a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region being configured to bend along a bending axis which extends in a first direction, wherein the first direction is perpendicular to a direction of a shortest distance between the first region and the second region; a plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD) disposed within the second region; wherein a first width of the bending region in the first direction is narrower than a second width of the second region in the first direction, the first width and the second width being parallel to the bending region, and the bending region being bendable or bent such that the second region overlaps the first region wherein a flexible circuit board is bonded with the plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD) and disposed within a first driving chip on one surface, the first width and the second width represent a length parallel to the first direction of the bending region and the second region, the first region has a rounded edge (S1, S2) in a portion adjacent to the bending region, and the bending region is bendable or bent such that the second region is disposed at the rear surface of the first region, the display device further comprising: a plurality of signal lines disposed within the first region; and a plurality of connection wires (CL, G1, G2, G3) disposed within the bending region and connecting the plurality of signal lines to the plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD), wherein a first connection wire and a second connection wire, among the plurality of connection wires (CL, G1, G2, G3), are adjacent to each other and are disposed within different layers, wherein the plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD) includes a first pad terminal and a second pad terminal that is adjacent to the first pad terminal; wherein the first pad terminal is electrically connected to the first connection wire; wherein the second pad terminal is electrically connected to the second connection wire, wherein the first pad terminal is disposed within a different layer from the first connection wire, and wherein the second pad terminal is disposed within a same layer as the second connection wire. a substrate including a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region being configured to bend along a bending axis which extends in a first direction, wherein the first direction is perpendicular to a direction of a shortest distance between the first region and the second region; a plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD) disposed within the second region; wherein a first width of the bending region in the first direction is narrower than a second width of the second region in the first direction, the first width and the second width being parallel to the bending region, and the bending region being bendable or bent such that the second region overlaps the first region wherein a flexible circuit board is bonded with the plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD) and disposed within a first driving chip on one surface, the first width and the second width represent a length parallel to the first direction of the bending region and the second region, the first region has a rounded edge (S1, S2) in a portion adjacent to the bending region, and the bending region is bendable or bent such that the second region is disposed at the rear surface of the first region, the display device further comprising: a plurality of signal lines disposed within the first region; and a plurality of connection wires (CL, G1, G2, G3) disposed within the bending region and connecting the plurality of signal lines to the plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD), wherein a first connection wire and a second connection wire, among the plurality of connection wires (CL, G1, G2, G3), are adjacent to each other and are disposed within different layers, wherein the plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD) includes a first pad terminal and a second pad terminal that is adjacent to the first pad terminal; wherein the first pad terminal is electrically connected to the first connection wire; wherein the second pad terminal is electrically connected to the second connection wire, wherein the first pad terminal is disposed within a different layer from the first connection wire, and wherein the second pad terminal is disposed within a same layer as the second connection wire. a plurality of signal lines disposed within the first region; and a plurality of connection wires (CL, G1, G2, G3) disposed within the bending region and connecting the plurality of signal lines to the plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD), wherein a first connection wire and a second connection wire, among the plurality of connection wires (CL, G1, G2, G3), are adjacent to each other and are disposed within different layers, wherein the plurality of pad terminals (PAD, PAD1, PAD2, PAD_LD) includes a first pad terminal and a second pad terminal that is adjacent to the first pad terminal; wherein the first pad terminal is electrically connected to the first connection wire; wherein the second pad terminal is electrically connected to the second connection wire, wherein the first pad terminal is disposed within a different layer from the first connection wire, and wherein the second pad terminal is disposed within a same layer as the second connection wire.