Patent ID: 9576339
Date: 2017-02-21
CPC Classifications: G06F,G06T,G09G,H04M

Claim:
1. A display device, comprising: an interface unit configured to be connected to a mobile terminal having a first display unit displaying a mobile screen image; a second display unit for displaying a monitor window; and a controller configured to: display the monitor window in a first orientation direction for displaying a monitor screen image corresponding to the mobile screen image on the second display unit; maintain the monitor window in the first orientation direction even though an orientation direction of the mobile screen image is changed from a first orientation direction to a second orientation direction; receive a user command relating to a modification of the mobile screen image; transmit a control signal relating to the user command to the mobile terminal; and display the monitor window in a second orientation direction with a modified monitor screen image based on the user command, even though an orientation direction of a housing of the mobile terminal is not changed.