A display device includes a substrate including a pixel area and a transmission area; a plurality of insulating layers on the pixel area and the transmission area; a first conductive layer on the plurality of insulating layers of the pixel area, the first conductive layer including a first sidewall having a first inclination angle and a second sidewall having a second inclination angle different from the first inclination angle; a first spacer located on a same layer as the first conductive layer, the first spacer being at a boundary between the pixel area and the transmission area and extending to the pixel area and the transmission area; and a first planarization layer on the first conductive layer.