US Patent 10971059 Display device and control method thereof

A display device and a control method thereof are provided. The display device includes a display panel divided into n regions along a horizontal viewing direction, wherein n is a positive integer and n≥2, a detection unit configured to detect a viewing angle corresponding to each of the n regions, the viewing angle being an angle between a sight line of a human eye and the display panel, and a control unit configured to adjust, based on the viewing angle, one or both of a grayscale voltage value of the region of the display panel corresponding to the viewing angle, and brightness of a part of a backlight of the display panel corresponding to the region corresponding to the viewing angle.