A display device comprising: a display module including a first surface which displays an image and a second surface opposite to the first surface; a hinge disposed on the second surface of the display module and providing a plurality of rotation axes in a first direction; a first supporting member connected to a first side of the hinge and rotatable with respect to a first rotation axis (RX1_1) of the plurality of rotation axes; and a second supporting member connected to a second side of the hinge and rotatable with respect to a second rotation axis (RX1_2) of the plurality of rotation axes, the second side being opposite the first side, wherein the hinge includes: a base frame; a first hinge pin (250_1) disposed on a first side of the base frame and providing a third rotation axis (RX1_3) of the plurality of rotation axes; a second hinge pin (250_2) disposed on a second side of the base frame and providing a fourth rotation axis (RX1_4) of the plurality of rotation axes, the second side of the base frame being opposite the first side of the base frame; a first hinge barrel (240_1) rotatably coupled to the first hinge pin (250_1); and a second hinge barrel (240_2) rotatably coupled to the second hinge pin (250_2), characterized in that each of the first hinge pin (250_1) and the second hinge pin (250_2) includes a cylindrical part (251_1), a head part (252_1) disposed on a first end of the cylindrical part (251_1), a tail part disposed on a second end of the cylindrical part (251_1), and a locking part (254_1) between the cylindrical part (251_1) and the head part (252_1). a display module including a first surface which displays an image and a second surface opposite to the first surface; a hinge disposed on the second surface of the display module and providing a plurality of rotation axes in a first direction; a first supporting member connected to a first side of the hinge and rotatable with respect to a first rotation axis (RX1_1) of the plurality of rotation axes; and a second supporting member connected to a second side of the hinge and rotatable with respect to a second rotation axis (RX1_2) of the plurality of rotation axes, the second side being opposite the first side, wherein the hinge includes: a base frame; a first hinge pin (250_1) disposed on a first side of the base frame and providing a third rotation axis (RX1_3) of the plurality of rotation axes; a second hinge pin (250_2) disposed on a second side of the base frame and providing a fourth rotation axis (RX1_4) of the plurality of rotation axes, the second side of the base frame being opposite the first side of the base frame; a first hinge barrel (240_1) rotatably coupled to the first hinge pin (250_1); and a second hinge barrel (240_2) rotatably coupled to the second hinge pin (250_2), characterized in that each of the first hinge pin (250_1) and the second hinge pin (250_2) includes a cylindrical part (251_1), a head part (252_1) disposed on a first end of the cylindrical part (251_1), a tail part disposed on a second end of the cylindrical part (251_1), and a locking part (254_1) between the cylindrical part (251_1) and the head part (252_1). a base frame; a first hinge pin (250_1) disposed on a first side of the base frame and providing a third rotation axis (RX1_3) of the plurality of rotation axes; a second hinge pin (250_2) disposed on a second side of the base frame and providing a fourth rotation axis (RX1_4) of the plurality of rotation axes, the second side of the base frame being opposite the first side of the base frame; a first hinge barrel (240_1) rotatably coupled to the first hinge pin (250_1); and a second hinge barrel (240_2) rotatably coupled to the second hinge pin (250_2), characterized in that each of the first hinge pin (250_1) and the second hinge pin (250_2) includes a cylindrical part (251_1), a head part (252_1) disposed on a first end of the cylindrical part (251_1), a tail part disposed on a second end of the cylindrical part (251_1), and a locking part (254_1) between the cylindrical part (251_1) and the head part (252_1).