Lg Electronics Inc.

Byoungjoo Kwak

Hosung Song

Mina Kim

Keansub Lee

Junggon Kim

A method of controlling a mobile terminal, and which includes displaying an application screen of an executing application and a corresponding keypad on a display of the mobile terminal; modifying, via a controller of the mobile terminal, the keypad into a new keypad arrangement; displaying, via the controller, a display window in a vacant space created by the modification of the keypad, wherein a function of the display window is automatically selected based on a type of the executing application; and inputting text on the displayed application screen through the display window and modified keypad.

Mobile terminal and modified keypad using method thereof

A mobile terminal and controlling method thereof are disclosed, which facilitates a terminal to be used in further consideration of user's convenience. The present invention includes a display unit configured to display an image signal of a video, an audio output unit configured to output an audio signal of the video, and a controller configured to separate the audio signal of the video into sound sources, and control a volume of at least one of the sound sources manually or automatically.

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Seoul, South Korea

Byoungjoo Kwak