Patent ID: 9678763
Date: 2017-06-13
CPC Classifications: G06F,H04N

Claim:
1. A controlling method of a display device, the method comprising: receiving a power-off command; storing image content information about an image content which is displayed on the display device at a time at which the power-off command is input, and device identification information of a control apparatus which transmits the power-off command to the display device; in response to a power-on command being input, determining whether device identification information of a control apparatus which transmits the power-on command to the display device, matches the stored device identification information; in response to the device identification information associated with the power-on command matching the stored device identification information associated with the power-off command, displaying an image based on the stored image content information; and in response to the device identification information associated with the power-on command not matching the stored device identification information associated with the power-off command, displaying an image corresponding to a predetermined content.