A display unit, comprising: a display panel having a pad; a circuit board connected to the pad and bent from a front surface of the display panel toward a rear surface of the display panel; a window disposed on the front surface of the display panel to cover an active area; and a cover panel film disposed on the rear surface of the display panel and disposed between the display panel and the circuit board, the cover panel film comprises: a first portion on the display panel; and a second portion extending from the first portion to protrude from the display panel when viewed in a plan view, wherein the second portion is disposed between the circuit board and the window when viewed in a cross-sectional view the circuit board comprises a flexible film, characterized in that a planar area of the window is greater than a planar area of the display panel, wherein one of side surfaces of the window, which overlaps with the second portion, protrudes from a side surface of the display panel when viewed in a plan view. wherein at least a portion of the circuit board protrudes from the side surface of the display panel when viewed in a plan view, wherein the second portion is disposed between the protruding portion of the circuit board and the window, wherein the side surface of the display panel includes: a first side surface to which the circuit board is connected; a second side surface opposite to the first side surface; and a third side surface connecting the first side surface and the second side surface, wherein the second portion of the cover panel film protrudes from same side as one of the second side surface and the third side surface of the display panel, and wherein the cover panel film is less flexible than the flexible film. a display panel having a pad; a circuit board connected to the pad and bent from a front surface of the display panel toward a rear surface of the display panel; a window disposed on the front surface of the display panel to cover an active area; and a cover panel film disposed on the rear surface of the display panel and disposed between the display panel and the circuit board, the cover panel film comprises: a first portion on the display panel; and a second portion extending from the first portion to protrude from the display panel when viewed in a plan view, wherein the second portion is disposed between the circuit board and the window when viewed in a cross-sectional view the circuit board comprises a flexible film, characterized in that a planar area of the window is greater than a planar area of the display panel, wherein one of side surfaces of the window, which overlaps with the second portion, protrudes from a side surface of the display panel when viewed in a plan view. wherein at least a portion of the circuit board protrudes from the side surface of the display panel when viewed in a plan view, wherein the second portion is disposed between the protruding portion of the circuit board and the window, wherein the side surface of the display panel includes: a first side surface to which the circuit board is connected; a second side surface opposite to the first side surface; and a third side surface connecting the first side surface and the second side surface, wherein the second portion of the cover panel film protrudes from same side as one of the second side surface and the third side surface of the display panel, and wherein the cover panel film is less flexible than the flexible film. a first portion on the display panel; and a second portion extending from the first portion to protrude from the display panel when viewed in a plan view, wherein the second portion is disposed between the circuit board and the window when viewed in a cross-sectional view the circuit board comprises a flexible film, characterized in that a planar area of the window is greater than a planar area of the display panel, wherein one of side surfaces of the window, which overlaps with the second portion, protrudes from a side surface of the display panel when viewed in a plan view. wherein at least a portion of the circuit board protrudes from the side surface of the display panel when viewed in a plan view, wherein the second portion is disposed between the protruding portion of the circuit board and the window, wherein the side surface of the display panel includes: a first side surface to which the circuit board is connected; a second side surface opposite to the first side surface; and a third side surface connecting the first side surface and the second side surface, wherein the second portion of the cover panel film protrudes from same side as one of the second side surface and the third side surface of the display panel, and wherein the cover panel film is less flexible than the flexible film.