A display device including a display panel and an input sensor disposed on the display panel and including signal line groups arranged in a wiring region, and first and second sensing electrodes disposed in a sensing region, each of the first and second sensing electrodes having one end electrically connected to a corresponding signal line, in which the second sensing electrodes have a greater length than the first sensing electrodes, the signal line groups include first and second signal line groups electrically connected to the first and second sensing electrodes, respectively, each of the first sensing electrodes includes first bridge patterns overlapping the second sensing electrodes and disposed on a different layer from the second sensing electrodes, and one of the first sensing electrodes or the second sensing electrodes are configured to receive a sinusoidal signal.