MOBILE TERMINAL, DISPLAY DEVICE AND CONTROLLING METHOD THEREOF

摘要

A mobile terminal including a first display unit configured to display a first screen image, an interface unit configured to be connected to an external display device having a second display unit, and a controller configured to interface with the external display device to display a monitor window including a second screen image corresponding to the first screen image on the second display unit of the external display device, and to control the second screen image to be respectively zoomed out or zoomed in when the monitor window is enlarged or reduced on the second display unit.