A display device includes: a substrate; a gate line disposed on the substrate and extending in a first direction; a gate insulating layer disposed on the gate line; a data line disposed on the gate insulating layer and extending in a second direction crossing the first direction; a gate voltage supply line disposed on the gate insulating layer and extending in the second direction, the gate voltage supply line connected to the gate line; a passivation layer disposed on the data line and the gate voltage supply line; a shielding electrode disposed on the passivation layer; an insulating layer disposed on the shielding electrode; and a pixel electrode disposed on the insulating layer and overlapping the shielding electrode.