A display device and a method of manufacturing the same are provided. A display device includes: a substrate, a semiconductor layer on the substrate, a gate insulating pattern on the semiconductor layer, a plurality of gate electrodes on the gate insulating pattern, and a thin-film transistor spaced apart from the gate insulating pattern, the thin-film transistor including: a source electrode contacting the top surface of the semiconductor layer, a source-drain electrode adjacent to the source electrode, a first of the plurality of gate electrodes being between the source-drain electrode and the source electrode, and a drain electrode adjacent to the source-drain electrode, a second of the plurality of gate electrodes being between the drain electrode and the source-drain electrode.