A mobile terminal, comprising: a display module comprising a main region and an extended region that extends in at least one direction from the main region, the display module comprising a light guide plate, a main light source disposed to supply light to a lateral surface of the light guide plate, and an auxiliary light source disposed to supply light to a part of the light guide plate, wherein the main light source is disposed along a first lateral surface of the light guide plate, wherein the auxiliary light source is located at a second lateral surface of the light guide plate at which the light guide plate is formed in a concave manner to form a dent, wherein the auxiliary light source is located at the dent, and wherein the second lateral surface is perpendicular to the first lateral surface; and a controller configured to control a prescribed content and display of screen information related to the prescribed content based on inputs at the main region and the extended region, wherein the main region and the extended region are disposed on a front surface of the mobile terminal and are independently controlled by the controller, the controller being configured to independently control the main light source and auxiliary light source, wherein the prescribed content is controlled in a different mode based on a region to which a predetermined type of touch is sensed among the main region and the extended region in a state in which screen information associated with the prescribed content is displayed on the display module, wherein when the predetermined type of touch is applied to the main region in a state that the prescribed content is playing back, the controller plays back a different content instead of the prescribed content, and wherein when the predetermined type of touch is applied to the extended region in a state that the prescribed content is playing back, the controller displays screen information associated with the different content in at least one of the main region and extended region while a playback of the prescribed content is maintained, and wherein when a drag touch started from the extended region and released from the main region is applied in a state that the screen information associated with the different content is displayed in the extended region and the prescribed content is playing back, the controller suspends the playback of the prescribed content and plays back the different content. a display module comprising a main region and an extended region that extends in at least one direction from the main region, the display module comprising a light guide plate, a main light source disposed to supply light to a lateral surface of the light guide plate, and an auxiliary light source disposed to supply light to a part of the light guide plate, wherein the main light source is disposed along a first lateral surface of the light guide plate, wherein the auxiliary light source is located at a second lateral surface of the light guide plate at which the light guide plate is formed in a concave manner to form a dent, wherein the auxiliary light source is located at the dent, and wherein the second lateral surface is perpendicular to the first lateral surface; and a controller configured to control a prescribed content and display of screen information related to the prescribed content based on inputs at the main region and the extended region, wherein the main region and the extended region are disposed on a front surface of the mobile terminal and are independently controlled by the controller, the controller being configured to independently control the main light source and auxiliary light source, wherein the prescribed content is controlled in a different mode based on a region to which a predetermined type of touch is sensed among the main region and the extended region in a state in which screen information associated with the prescribed content is displayed on the display module, wherein when the predetermined type of touch is applied to the main region in a state that the prescribed content is playing back, the controller plays back a different content instead of the prescribed content, and wherein when the predetermined type of touch is applied to the extended region in a state that the prescribed content is playing back, the controller displays screen information associated with the different content in at least one of the main region and extended region while a playback of the prescribed content is maintained, and wherein when a drag touch started from the extended region and released from the main region is applied in a state that the screen information associated with the different content is displayed in the extended region and the prescribed content is playing back, the controller suspends the playback of the prescribed content and plays back the different content.