A display device is proposed, the display device including a display panel including a display panel including a plurality of unit pixels including at least two sub-pixels that share a data line and are connected to different gate lines, a driving circuit supplying a scan signal and a data voltage to first and second sub-pixels included in the unit pixel and connected to different data lines, a sensing unit connected to the first and second sub-pixels throughs a sensing line to sense operating characteristics of the first and second sub-pixels, and a timing controller controlling the driving circuit and the sensing unit to obtain sensing data corresponding to the operating characteristics and compensate the data voltage based on the sensing data.