A rollable display device comprising: a rollable display panel for displaying an image; a motor configured to perform a rotational motion; a motion converting unit performing a linear motion in a first direction of the rollable display panel in response to the rotational motion of the motor; and a lifting unit configured to lift and lower the rollable display panel in a second direction in response to the linear motion of the motion converting unit, wherein the lifting unit includes a first link portion and a second link portion arranged along the second direction and coupled to be rotatable via a first hinge, wherein the first link portion includes a 1-1 link (LN1-1) and a 1-2 link (LN1-2) that intersect with each other in a scissor shape and are coupled to be rotatable via a 1-1 hinge (HG1-1), wherein the second link portion includes a 2-1 link (LN2-1) and a 2-2 link (LN2-2) that intersect with each other in a scissor shape and are coupled to be rotatable via a 1-2 hinge (HG1-2), wherein a first end of the 1-1 link is coupled to be rotatable to a base member, wherein a first end of the 1-2 link is coupled to be rotatable to the motion converting unit and is movable in the first direction in response to the linear motion of the motion converting unit, wherein a second end of the 2-2 link is coupled to be rotatable to the first end of the display panel, wherein the first hinge is implemented as a spur gear (G1, G2) including a first gear connected to the first link and a second gear connected to the second link; and wherein the lifting unit includes a first lifting unit and a second lifting unit spaced apart from each other in the first direction, the motion converting unit includes a first motion converting unit to drive the first lifting unit and a second motion converting unit to drive the second lifting unit, and the first motion converting unit and the second motion converting unit are driven by using only one motor, and wherein the rollable display device comprises a bevel gear configured to connect between the motor and the respective motion converting unit, wherein the bevel gear transmits a driving force of the motor to shafts of the first and second motion converting units (230a, 230b); wherein the bevel gear includes a motor bevel gear connected to the motor, a first shaft bevel gear connected to the shaft of the first motion converting unit and a second shaft bevel gear connected to the shaft of the second motion converting unit, and wherein a rotation axis of the motor bevel gear intersects with rotation axes of the first shaft bevel gear and the second shaft bevel gear, and the rotation axes of the first and second shaft bevel gears are parallel to each other. a rollable display panel for displaying an image; a motor configured to perform a rotational motion; a motion converting unit performing a linear motion in a first direction of the rollable display panel in response to the rotational motion of the motor; and a lifting unit configured to lift and lower the rollable display panel in a second direction in response to the linear motion of the motion converting unit, wherein the lifting unit includes a first link portion and a second link portion arranged along the second direction and coupled to be rotatable via a first hinge, wherein the first link portion includes a 1-1 link (LN1-1) and a 1-2 link (LN1-2) that intersect with each other in a scissor shape and are coupled to be rotatable via a 1-1 hinge (HG1-1), wherein the second link portion includes a 2-1 link (LN2-1) and a 2-2 link (LN2-2) that intersect with each other in a scissor shape and are coupled to be rotatable via a 1-2 hinge (HG1-2), wherein a first end of the 1-1 link is coupled to be rotatable to a base member, wherein a first end of the 1-2 link is coupled to be rotatable to the motion converting unit and is movable in the first direction in response to the linear motion of the motion converting unit, wherein a second end of the 2-2 link is coupled to be rotatable to the first end of the display panel, wherein the first hinge is implemented as a spur gear (G1, G2) including a first gear connected to the first link and a second gear connected to the second link; and wherein the lifting unit includes a first lifting unit and a second lifting unit spaced apart from each other in the first direction, the motion converting unit includes a first motion converting unit to drive the first lifting unit and a second motion converting unit to drive the second lifting unit, and the first motion converting unit and the second motion converting unit are driven by using only one motor, and wherein the rollable display device comprises a bevel gear configured to connect between the motor and the respective motion converting unit, wherein the bevel gear transmits a driving force of the motor to shafts of the first and second motion converting units (230a, 230b); wherein the bevel gear includes a motor bevel gear connected to the motor, a first shaft bevel gear connected to the shaft of the first motion converting unit and a second shaft bevel gear connected to the shaft of the second motion converting unit, and wherein a rotation axis of the motor bevel gear intersects with rotation axes of the first shaft bevel gear and the second shaft bevel gear, and the rotation axes of the first and second shaft bevel gears are parallel to each other.