A display module comprising: a window comprising: a base substrate (WM-BS); and a bezel pattern overlapping the base substrate (WM-BS) in a plan view, the bezel pattern comprising: a first bezel pattern (WM-BZ1) which extends along an edge of the base substrate (WM-BS); and a second bezel pattern (WM-BZ2) which extends from the first bezel pattern (WM-BZ1) to have a shape being convex toward a center of the window in the plan view such that at least a portion of the second bezel pattern (WM-BZ2) defines a transmission area; and a display panel comprising: a glass substrate; an encapsulation substrate disposed on the glass substrate; a sealing member coupling the glass substrate and the encapsulation substrate to each other and overlapping the first bezel pattern (WM-BZ1) in the plan view; a circuit element layer (DP-CL) disposed on the glass substrate and comprising a transistor; and a display element layer (DP-OLED) disposed on the circuit element layer (DP-CL) and comprising a light emitting element; wherein the display element layer (DP-OLED) exposes a portion of a layer disposed under the display element layer (DP-OLED) such that the portion of the layer corresponds to the transmission area, and wherein the transmission area overlaps the display panel. a window comprising: a base substrate (WM-BS); and a bezel pattern overlapping the base substrate (WM-BS) in a plan view, a base substrate (WM-BS); and a bezel pattern overlapping the base substrate (WM-BS) in a plan view, the bezel pattern comprising: a first bezel pattern (WM-BZ1) which extends along an edge of the base substrate (WM-BS); and a second bezel pattern (WM-BZ2) which extends from the first bezel pattern (WM-BZ1) to have a shape being convex toward a center of the window in the plan view such that at least a portion of the second bezel pattern (WM-BZ2) defines a transmission area; and a first bezel pattern (WM-BZ1) which extends along an edge of the base substrate (WM-BS); and a second bezel pattern (WM-BZ2) which extends from the first bezel pattern (WM-BZ1) to have a shape being convex toward a center of the window in the plan view such that at least a portion of the second bezel pattern (WM-BZ2) defines a transmission area; and a display panel comprising: a glass substrate; an encapsulation substrate disposed on the glass substrate; a sealing member coupling the glass substrate and the encapsulation substrate to each other and overlapping the first bezel pattern (WM-BZ1) in the plan view; a circuit element layer (DP-CL) disposed on the glass substrate and comprising a transistor; and a display element layer (DP-OLED) disposed on the circuit element layer (DP-CL) and comprising a light emitting element; wherein the display element layer (DP-OLED) exposes a portion of a layer disposed under the display element layer (DP-OLED) such that the portion of the layer corresponds to the transmission area, and wherein the transmission area overlaps the display panel. a glass substrate; an encapsulation substrate disposed on the glass substrate; a sealing member coupling the glass substrate and the encapsulation substrate to each other and overlapping the first bezel pattern (WM-BZ1) in the plan view; a circuit element layer (DP-CL) disposed on the glass substrate and comprising a transistor; and a display element layer (DP-OLED) disposed on the circuit element layer (DP-CL) and comprising a light emitting element; wherein the display element layer (DP-OLED) exposes a portion of a layer disposed under the display element layer (DP-OLED) such that the portion of the layer corresponds to the transmission area, and wherein the transmission area overlaps the display panel.