A display apparatus, comprising: a display panel configured to display an image; a light emitting diode module which provides backlight to the display panel; an LED driving unit of a buck type which applies a driving voltage to the LED module using an external power supply; a conductive chassis to which the LED driving unit and the LED module are attached, which supports the LED driving unit and the LED module to radiate backlight to the display panel and comprises a ground terminal provided separately from a ground terminal of the external power supply; and an LED driving control unit which senses a current flowing from the LED module to the conductive chassis using a current flowing from the ground terminal of the conductive chassis in response to the LED module being short-circuited with the conductive chassis, and control the LED driving unit to block the driving voltage applied to the LED module in response to the sensed current flowing being equal to or larger than a preset first reference value; wherein the LED driving unit includes: a first capacitor connected in parallel to the external power supply; a second capacitor connected in parallel to the LED module; a first diode of which a cathode is commonly connected to a first terminal of the first capacitor, a first terminal of the second capacitor, and an anode of the LED module; an inductor of which one terminal of the inductor is connected to an anode of the first diode and a second terminal of the inductor is commonly connected to a second terminal of the second capacitor and a cathode of the LED module; and a transistor of which a drain of the transistor is commonly connected to the first terminal of the inductor and the anode of the first diode and a source of the transistor is connected to the ground terminal of the conductive chassis; and wherein the LED driving control unit senses the intensity of the current flowing in the LED module and the intensity of the current flowing in from the ground terminal of the conductive chassis using a resistor of which a first terminal of the resistor is connected to the ground terminal of the conductive chassis and a second terminal of the resistor is connected to the ground terminal of the external power supply. a display panel configured to display an image; a light emitting diode module which provides backlight to the display panel; an LED driving unit of a buck type which applies a driving voltage to the LED module using an external power supply; a conductive chassis to which the LED driving unit and the LED module are attached, which supports the LED driving unit and the LED module to radiate backlight to the display panel and comprises a ground terminal provided separately from a ground terminal of the external power supply; and an LED driving control unit which senses a current flowing from the LED module to the conductive chassis using a current flowing from the ground terminal of the conductive chassis in response to the LED module being short-circuited with the conductive chassis, and control the LED driving unit to block the driving voltage applied to the LED module in response to the sensed current flowing being equal to or larger than a preset first reference value; a first capacitor connected in parallel to the external power supply; a second capacitor connected in parallel to the LED module; a first diode of which a cathode is commonly connected to a first terminal of the first capacitor, a first terminal of the second capacitor, and an anode of the LED module; an inductor of which one terminal of the inductor is connected to an anode of the first diode and a second terminal of the inductor is commonly connected to a second terminal of the second capacitor and a cathode of the LED module; and a transistor of which a drain of the transistor is commonly connected to the first terminal of the inductor and the anode of the first diode and a source of the transistor is connected to the ground terminal of the conductive chassis; and wherein the LED driving control unit senses the intensity of the current flowing in the LED module and the intensity of the current flowing in from the ground terminal of the conductive chassis using a resistor of which a first terminal of the resistor is connected to the ground terminal of the conductive chassis and a second terminal of the resistor is connected to the ground terminal of the external power supply.