A display device includes a display module and a flexible circuit film connected to the display module. The display module includes a display panel and an input sensing layer. The flexible circuit film includes a base film, a ground line disposed on the base film, a plurality of connection lines disposed on the base film and electrically connected to at least one of the input sensing layer and the display panel, a conductive layer disposed on the connection lines and overlapping at least a portion of the connection lines, an insulating layer disposed on the conductive layer, and a cover tape disposed on the insulating layer and overlapping the ground line.