A mobile terminal comprising: a wireless communication unit configured to provide wireless communication; a light guide plate being rectangular-shaped; a main light source configured to emit light to a first lateral surface of the light guide plate in a first direction; a sub-light source configured to emit light to a second lateral surface perpendicular to the first lateral surface of the light guide plate in a second direction perpendicular to the first direction; and a liquid crystal panel provided in a front surface of the light guide plate and configured to output image information, the liquid crystal panel comprising a first area provided in a portion with respect to the first direction and a second area provided in the other portion with respect to the first direction; and a controller configured to: control the sub-light source to emit light from a second lateral surface and display indication information in the second area of the liquid crystal panel when the main light source is turned off, characterized in that the light guide plate has a dent in one corner, the liquid crystal panel comprises a dent corresponding to the dent of the light guide plate, the sub-light source is placed at the dent of the light guide plate, and one or more of a camera module and a proximity sensor and illumination sensor module arranged in the dent of the light guide plate. a wireless communication unit configured to provide wireless communication; a light guide plate being rectangular-shaped; a main light source configured to emit light to a first lateral surface of the light guide plate in a first direction; a sub-light source configured to emit light to a second lateral surface perpendicular to the first lateral surface of the light guide plate in a second direction perpendicular to the first direction; and a liquid crystal panel provided in a front surface of the light guide plate and configured to output image information, the liquid crystal panel comprising a first area provided in a portion with respect to the first direction and a second area provided in the other portion with respect to the first direction; and a controller configured to: control the sub-light source to emit light from a second lateral surface and display indication information in the second area of the liquid crystal panel when the main light source is turned off, characterized in that the light guide plate has a dent in one corner, the liquid crystal panel comprises a dent corresponding to the dent of the light guide plate, the sub-light source is placed at the dent of the light guide plate, and one or more of a camera module and a proximity sensor and illumination sensor module arranged in the dent of the light guide plate. control the sub-light source to emit light from a second lateral surface and display indication information in the second area of the liquid crystal panel when the main light source is turned off, characterized in that the light guide plate has a dent in one corner, the liquid crystal panel comprises a dent corresponding to the dent of the light guide plate, the sub-light source is placed at the dent of the light guide plate, and one or more of a camera module and a proximity sensor and illumination sensor module arranged in the dent of the light guide plate.