Display apparatus

A display apparatus comprising:

• a liquid crystal panel;
• memory storing instructions;
• a backlight unit configured to provide light to the liquid crystal panel;
• an input device configured to obtain a user input;
• and
• at least one processor configured to control the liquid crystal panel and the backlight,
• wherein the backlight unit comprises:
• a substrate;
• a plurality of dimming blocks arranged in a plurality of rows and a plurality of columns on the substrate, each dimming block of the plurality of dimming blocks comprising a plurality of light emitting devices;
• and
• a plurality of driving devices configured to drive the plurality of dimming blocks,
• wherein each light emitting device of the plurality of light emitting devices comprises a red light emitting diode (LED), a green LED, and a blue LED, and
• wherein the instructions, when executed by the at least one processor, cause the display apparatus to control the plurality of driving devices to reduce a current value that is supplied to at least one of the red LED, the green LED, or the blue LED based on a change of an image mode according to a user's input of selecting another image mode, obtained through the input device.