A display apparatus and control method thereof are provided. The display apparatus includes: a display panel; a driver configured to drive the display panel based on an image signal; a light source configured to supply light for making an image visible on the display panel; and a processor configured to: control the light source to have two or more emissive sections during a displaying period for one video frame of the image signal, and control a first emissive section and a second emissive section, of the two or more emissive sections, to have different widths in accordance with a change in the image.