DISPLAY DEVICE, EXTERNAL CONNECTION DEVICE, AND SCREEN CONTROL METHOD

摘要

There are provided a display device, an external connection device and a screen control method which enable hiding GUIs of the external connection device and displaying GUIs of the display device by operating a remote controller dedicated to the display device. When an operation code for restoring the GUI display is inputted from a remote controller 121 dedicated to a display device 100 to a user operation input unit 103 while a display unit 107 of the display device 100 displays a GUI of an external connection device 200 after displaying a GUI of the display device 100, a control unit 101 controls a data processing unit 106 to create a GUI in order to display a GUI of the display device 100 on the display unit 107.