| CPC G06T 3/60 (2013.01) [G06F 3/04845 (2013.01); G06F 3/14 (2013.01)] | 19 Claims |

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1. A display device comprising:
a display;
a communication interface;
a motor configured to rotate the display; and
a processor configured to:
control the display to display an image content on the display disposed in a first orientation,
display a first user interface (UI) for rotating the image content and the display,
based on a signal for rotating the display being received from an external device through the communication interface while fixing a direction of the image content according to a user command, control the motor to rotate the display to a second orientation and maintain the direction of the image content displayed on the display disposed in the first orientation, and
based on the signal for rotating the display being received from the external device through the communication interface while not fixing the direction of the image content according to the user command, control the motor to rotate the display to the second orientation and rotate the image content in a direction opposite to a rotation direction of the display,
wherein the user command comprises receiving a user input for an amount of time as a long press input, and
wherein the processor is further configured to:
control the motor to sequentially rotate the display in a clockwise direction or in a counterclockwise direction by a predetermined amount of degrees based on an input time of the long press input elapses a predetermined time.
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