Patent ID: 8655414

Claim:
A mobile terminal, comprising: a detachable e-paper kit including e-paper, a transparent type solar cell, and a member of the detachable e-paper kit, the e-paper arranged between the transparent type solar cell and the member of the detachable e-paper kit; and an external case including: a wireless communication unit; a display unit; a power source; a first control unit configured to control the display unit to display first information using the power source and to control the wireless communication unit to receive at least one incoming call; a second control unit configured to control the e-paper to display second information using the solar cell; and an attaching mechanism configured to receive the detachable e-paper kit, wherein, when the detachable e-paper kit is attached, the first control unit is configured to control the display unit to display an incoming call indication while the wireless communication unit receives an incoming call, and to control the e-paper to display another call indication if the display unit is deactivated, and wherein the another call indication includes a number of incoming calls when the display unit is deactivated.