US Patent 11657777 Control method for display device and display device

A control method for a display device including a display unit, a first control unit, and a second control unit, the control method comprising: holding a plurality of display setting data relating to a display state of an image by the display unit in such a way that the plurality of display setting data are available for use by the first control unit, causing the first control unit to execute display control to cause the display unit to display an image based on display data, causing the second control unit to execute an application program and output the display data, and causing the first control unit to set an one of the plurality of display setting data corresponding to the application program in response to the second control unit starting up the application program.