Mobile terminal, display device and controlling method thereof

摘要

A display device, a mobile terminal, and a method for displaying a second screen image are discussed. The display device according to one embodiment includes an interface unit configured to be connected to a mobile terminal having a first display unit displaying a first screen image in a first display direction; a second display unit; and a controller configured to receive information related to the first screen image, and display a monitor window for displaying a second screen image corresponding to the first screen image on the second display unit. The second screen image is displayed in the first display direction. The controller is further configured to receive a user command to intend the monitor window to be oriented in a second display direction and control the monitor window to be oriented in the second display direction according to the user command, and transmit a control signal.

主权项

1. A mobile terminal, comprising:
a first display unit configured to display a mobile screen image; an interface unit configured to be connected to an external display device having a second display unit for displaying a monitor window for displaying a monitor screen image; and a controller configured to: receive a control signal relating to a modification of the mobile screen image from the external display device, wherein a housing of the mobile terminal is in a first orientation direction, control the mobile screen image to be modified in response to the control signal, even though the first orientation direction of the housing of the mobile terminal is not changed into a second orientation direction, and provide a modified mobile screen image to the external display device, wherein the external display device maintains the monitor window in the first orientation direction, even though an orientation direction of the mobile screen image is changed from the first orientation direction to the second orientation direction.