A display apparatus comprising: a display; an input device; and at least one processor configured to: control the display to display a screen including a plurality of objects while the display apparatus is in a normal mode, the plurality of objects being displayed at a plurality of areas on the screen, respectively, wherein the normal mode is a mode in which driving power is supplied for driving the display, in response to a predefined user command received by the input device being input, enter a setting mode for setting at least one object from among the plurality of objects displayed on the display as an always-on display object, in response to at least one object from among the plurality of objects being selected during the setting mode, set the at least one selected object to the always-on display object, and in response to a mode of the display apparatus being changed to a standby mode, control the display to display the always-on display object on a monochrome background screen, by blocking or reducing power to all areas except the area where the always-on display object is displayed on the display in the standby mode and supplying power to the area where the always-on display object is displayed on the display in the standby mode, wherein the at least one processor is configured to, in response to a user command to the always-on display object being input in the standby mode, move the always-on display object based on the user command. a display; an input device; and at least one processor configured to: control the display to display a screen including a plurality of objects while the display apparatus is in a normal mode, the plurality of objects being displayed at a plurality of areas on the screen, respectively, wherein the normal mode is a mode in which driving power is supplied for driving the display, in response to a predefined user command received by the input device being input, enter a setting mode for setting at least one object from among the plurality of objects displayed on the display as an always-on display object, in response to at least one object from among the plurality of objects being selected during the setting mode, set the at least one selected object to the always-on display object, and in response to a mode of the display apparatus being changed to a standby mode, control the display to display the always-on display object on a monochrome background screen, by blocking or reducing power to all areas except the area where the always-on display object is displayed on the display in the standby mode and supplying power to the area where the always-on display object is displayed on the display in the standby mode, wherein the at least one processor is configured to, in response to a user command to the always-on display object being input in the standby mode, move the always-on display object based on the user command. control the display to display a screen including a plurality of objects while the display apparatus is in a normal mode, the plurality of objects being displayed at a plurality of areas on the screen, respectively, wherein the normal mode is a mode in which driving power is supplied for driving the display, in response to a predefined user command received by the input device being input, enter a setting mode for setting at least one object from among the plurality of objects displayed on the display as an always-on display object, in response to at least one object from among the plurality of objects being selected during the setting mode, set the at least one selected object to the always-on display object, and in response to a mode of the display apparatus being changed to a standby mode, control the display to display the always-on display object on a monochrome background screen, by blocking or reducing power to all areas except the area where the always-on display object is displayed on the display in the standby mode and supplying power to the area where the always-on display object is displayed on the display in the standby mode, wherein the at least one processor is configured to, in response to a user command to the always-on display object being input in the standby mode, move the always-on display object based on the user command.