METHOD OF DISPLAYING DUAL IMAGES, DUAL DISPLAY DEVICE FOR PERFORMING THE METHOD AND DUAL DISPLAY MOBILE PHONE HAVING THE DUAL DISPLAY DEVICE

摘要

A dual display device includes; a main display unit configured to exchange a main signal with an external system using a high-speed serial interface (“HSSI”) and to display a main image in response to the main signal, and a sub-display unit electrically connected to the main display unit and configured to exchange a sub-signal with the main display unit and to display a sub-image in response to the sub-signal, wherein display information for both the main display unit and the sub-display unit is contained in the main signal.