Display linking system

A mobile terminal comprising:

• a touch display that allows touch input;
• a processor configured to outputs vertically-long display data displayed on the touch display as external output display data corresponding to a horizontally-long HMD screen and configured to receive the external output display data and generates horizontally-long HMD display data to be displayed on a head-mounted display (HMD), wherein
• a partial region that is a specified partial region of the touch display and that corresponds to the horizontally-long HMD screen is set as an overlapping display region, and
• the processor is configured to extract display data of the overlapping display region from a region that corresponds to the vertically-long display data included in a central portion of the received external output display data so as to generate the HMD display data.

A mobile terminal comprising:

• a touch display that allows touch input;
• a processor configured to externally output display data displayed on the touch display as external output display data;
• and configured to receive the external output display data from the output means and generates HMD display data to be displayed on a head-mounted display (HMD), wherein
• a partial region that is a specified partial region of the touch display and that corresponds to an HMD screen is set as an overlapping display region, and
• the processor is configured to convert the external output display data to the HMD display data on the basis of a combination of a model of the mobile terminal and a model of the head-mounted display, each of which is connected thereto.