Display device and method of changing settings of display device

1. A method of changing a display setting in a display device, comprising:

storing, by a processor of the display device, in a memory of the display device, a game list representing at least one of game categories, the game list comprising at least one game identifier corresponding to the at least one of the game categories;

detecting, by the processor, a game identifier included in video data of a currently running game;

searching, by the processor, a game identifier matched with the detected game identifier in the game list;

identifying, by the processor, a category of the currently running game based on a category of a game corresponding to the searched game identifier;

automatically identifying, by the processor, a display setting corresponding to the determined category of the currently running game as a display setting to be used for displaying the video data; and

changing, by the processor, an actual display setting of the display device according to the determined display setting.

2. The method of claim 1 , wherein the storing the game list further comprises:

classifying, by the processor, the at least one game identifier including at least one of a name, an icon and an image of the game, according to the game categories,

wherein the classified game identifier is stored in the game list.

3. The method of claim 1 , further comprising:

storing, by the processor, a plurality of display settings corresponding to the at least one of the game categories; and

matching, by the processor, the plurality of display settings to a plurality of buttons of the display device,

wherein the determined display setting is determined in response to receiving a user input for selecting one of the plurality of buttons.

4. The method of claim 3 , further comprising:

receiving, by the processor, the user input selecting one of the plurality of buttons; and

displaying, by the processor, a first graphical user interface (GUI) representing a display setting matched with the selected button.

5. The method of claim 4 , further comprising:

displaying, by the processor, a second GUI allowing a user to edit the display setting matched with the selected button on the first GUI,

wherein the second GUI is displayed with the first GUI.

6. The method of claim 5 , further comprising:

displaying, by the processor, a third GUI including a sub-menu for matching the plurality of display settings to a plurality of buttons of the display device, in response to receiving a user input for selecting at least one menu displayed on the second GUI.

7. The method of claim 1 , further comprising:

storing, by the processor, display settings history representing display settings having been utilized in the display device; and

recommending, by the processor, at least one display settings based on the display settings history,

wherein the display setting to be used for displaying the video data is determined among the recommended at least one display settings.

8. A display device, comprising:

a display;

a memory configured to store instructions; and

a processor configured to execute the instructions to:

control the memory to store a game list representing at least one of game categories, the game list comprising at least one game identifier corresponding to the at least one of the game categories;

detect a game identifier included in video data of a currently running game;

search a game identifier matched with the detected game identifier in the game list;

identify a category of the currently running game based on a category of a game corresponding to the searched game identifier;

identify, automatically, a display setting corresponding to the determined category of the currently running game as a display setting to be used for displaying the video data; and

change an actual display setting of the display device according to the determined display setting.

9. The display device of claim 8 , wherein the processor is further configured to:

control the memory to classify the at least one game identifier including at least one of a name, an icon and image of the game, according to the game categories,

wherein the classified game identifier is stored in the game list.

10. The display device of claim 8 , wherein the processor is further configured to:

control the memory to store a plurality of display settings corresponding to the at least one of the game categories; and

match the plurality of display settings to a plurality of buttons of the display device,

wherein the determined display setting is determined in response to receiving a user input for selecting one of the plurality of buttons.

11. The display device of claim 10 , wherein the processor is further configured to:

receive the user input selecting one of the plurality of buttons; and

control the display to display a first graphical user interface (GUI) representing a display setting matched with the selected button.

12. The display device of claim 11 , wherein the processor is further configured to:

control the display to display a second GUI allowing a user to edit the display setting matched with the selected button on the first GUI; and

control the display to display a third GUI including a sub-menu for matching the plurality of display settings to the plurality of buttons of the display device, in response to receiving a user input for selecting at least one menu displayed on the second GUI,

wherein the second GUI is displayed with the first GUI.

13. The display device of claim 8 , wherein the processor is further configured to:

control the memory to store display settings history representing display settings having been utilized in the display device; and

recommend at least one display setting based on the display settings history,

wherein the display setting to be used for displaying the video data is determined among the recommended at least one display setting.

14. The display device of claim 8 , wherein the display setting includes at least one of: black equalizer, response time, refresh rate, free sync, and input lag.