A display device, comprising: a display unit configured to display a first content received from an external server; a communication unit configured to connect communications with a plurality of external mobile terminals; and a controller, characterized in that, the controller configured to: obtain personalization information corresponding to each of the plurality of external mobile terminals, wherein the personalization information comprises at least one of a personal content list, a personal application list and a personal advertisement list, recognize an occurrence of an event related to the personalization information of a specific one of the plurality of external mobile terminals, control the communication unit to transmit a signal indicating the event occurrence to the specific external mobile terminal, control the communication unit to receive a command signal for controlling the display device from the specific external mobile terminal, control the communication unit to receive update information related to at least one of a content, an application and an advertisement from the external server, if the received update information corresponds to the personalization of the specific external mobile terminal, recognize that the event has occurred, if a command signal for ordering to display a second content corresponding to the event occurrence is received from the specific external mobile terminal, partition a screen of the display unit and display the first content and the second content on a first region and a second region within the screen, respectively, and output audio data of the first content through an audio output unit and control the communication unit to transmit audio data of the second content to the specific external mobile terminal so that the audio data of the second content is outputted from the specific external mobile terminal. a display unit configured to display a first content received from an external server; a communication unit configured to connect communications with a plurality of external mobile terminals; and a controller, characterized in that, the controller configured to: obtain personalization information corresponding to each of the plurality of external mobile terminals, wherein the personalization information comprises at least one of a personal content list, a personal application list and a personal advertisement list, recognize an occurrence of an event related to the personalization information of a specific one of the plurality of external mobile terminals, control the communication unit to transmit a signal indicating the event occurrence to the specific external mobile terminal, control the communication unit to receive a command signal for controlling the display device from the specific external mobile terminal, control the communication unit to receive update information related to at least one of a content, an application and an advertisement from the external server, if the received update information corresponds to the personalization of the specific external mobile terminal, recognize that the event has occurred, if a command signal for ordering to display a second content corresponding to the event occurrence is received from the specific external mobile terminal, partition a screen of the display unit and display the first content and the second content on a first region and a second region within the screen, respectively, and output audio data of the first content through an audio output unit and control the communication unit to transmit audio data of the second content to the specific external mobile terminal so that the audio data of the second content is outputted from the specific external mobile terminal. obtain personalization information corresponding to each of the plurality of external mobile terminals, wherein the personalization information comprises at least one of a personal content list, a personal application list and a personal advertisement list, recognize an occurrence of an event related to the personalization information of a specific one of the plurality of external mobile terminals, control the communication unit to transmit a signal indicating the event occurrence to the specific external mobile terminal, control the communication unit to receive a command signal for controlling the display device from the specific external mobile terminal, control the communication unit to receive update information related to at least one of a content, an application and an advertisement from the external server, if the received update information corresponds to the personalization of the specific external mobile terminal, recognize that the event has occurred, if a command signal for ordering to display a second content corresponding to the event occurrence is received from the specific external mobile terminal, partition a screen of the display unit and display the first content and the second content on a first region and a second region within the screen, respectively, and output audio data of the first content through an audio output unit and control the communication unit to transmit audio data of the second content to the specific external mobile terminal so that the audio data of the second content is outputted from the specific external mobile terminal.