Display control apparatus, display apparatus, non-transitory storage medium, and control method

A method of controlling a display control apparatus configured to control a display apparatus including a display panel,

• the display control apparatus comprising:
• a host control unit configured to acquire or generate video image data of a video image to be displayed on the display panel;
• and
• a display control unit configured to output the video image data transferred from the host control unit to the display panel,
• the method comprising:
• controlling the host control unit to adjust a proper duty ratio of a duty ratio indicating a ratio of a light emission time of the video image to a display time of the video image such that as a frame rate of the video image increases, the ratio of the light emission time of the video image to the display time of the video image decreases;
• and
• controlling the display control unit to adjust the duty ratio such that the display panel emits light at the proper duty ratio.