Display device

The invention discloses a display device which comprises a display panel and a time schedule controller, and the time schedule controller is electrically connected with the display panel. The display panel comprises a plurality of sub-pixel rows, each sub-pixel row comprises a plurality of sub-pixels, and the sub-pixels comprise effective sub-pixels and redundant sub-pixels. The time schedule controller comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring initial image data of a picture to be displayed; the storage unit is used for storing initial image data, and the initial image data comprises first identification data to be input into effective sub-pixels; and the processing unit is used for acquiring second identification data to be input into the redundant sub-pixels according to the first identification data, adjusting the initial image data into target image data according to the first identification data and the second identification d