Patent ID: 8484581

Claim:
An apparatus for displaying a user interface (UI) for a telecommunication terminal having a rotatable display unit, the apparatus comprising: a rotation sensing unit for sensing the rotation of the display unit and has an electromagnet positioned on one of the display unit and the body of the telecommunication terminal; and a magnetic field sensing unit capable of sensing the magnetic field of the electromagnet positioned on the other of the display unit and the body of the telecommunication terminal to sense the rotation state of the display unit through the amount of change of the magnetic field which varies according to the rotation state of the display unit; a memory unit for storing UI information on at least one UI screen according to rotation states of the display unit; and a control unit for determining a currently running application in the telecommunication terminal, selecting UI information according to at least one of the rotation states of the display unit and the currently running application, constructing a UI screen according to the selected UI information, rotating the constructed UI screen in a direction according to the rotation state of the display unit, and displaying the UI screen.