Display device and control method for displaying detailed information of a specific area

A display device, comprising:

• a display configured to display a content on a main screen of the display device;
• a memory comprising computer instructions;
• and
• a processor, when executing the computer instructions, implementing an interface module and a controller module,
• wherein the interface module is configured to receive an input for requesting enlargement and an input for selecting a specific area from an entire area, which is displayed on the main screen, from a remote controller,
• wherein the controller module is configured to control the display and the interface module,
• wherein the controller module is configured to:
• enter an enlargement mode in accordance with an input for requesting the enlargement mode, which is received from the remote controller,
• receive the input for selecting the specific area from the entire area displayed on the main screen from the remote controller,
• enlarge the selected specific area at a predetermined magnification in accordance with the received selection input,
• display the enlarged specific area on the main screen,
• display first detailed information of the enlarged specific area differently according to the predetermined magnification on a first part of a PIP screen within the main screen,
• in response to receiving an input for selecting the first detailed information from the remote controller, display the first detailed information on the main screen,
• display second detailed information on the first part of the PIP screen,
• display third detailed information on a second part of the PIP screen, and
• display fourth detailed information on a third part of the PIP screen,
• wherein the second, third and fourth detailed information are related to the first detailed information and provide increasingly more detailed information than the first detailed information, and
• wherein the content includes video.