Abstract: A power supply apparatus and a display apparatus including the same are provided. The power supply apparatus according to an exemplary embodiment includes a power factor correction circuit unit which corrects a power factor of input power and outputs the corrected power factor and a controller which controls whether to operate the power factor correction circuit unit according to an input status of a first signal indicating a status of power supplied to the display apparatus and an input status of a second signal indicating an operation status of a display unit included in the display apparatus.

Abstract: A power supply apparatus and a display apparatus including the same are provided. The power supply apparatus according to an exemplary embodiment includes a power factor correction circuit unit which corrects a power factor of input power and outputs the corrected power factor and a controller which controls whether to operate the power factor correction circuit unit according to an input status of a first signal indicating a status of power supplied to the display apparatus and an input status of a second signal indicating an operation status of a display unit included in the display apparatus.

Abstract: A display apparatus having a monitor functional mode and a network functional mode, includes a first voltage switching part that controls a first operation voltage; a second voltage switching part that controls a second operation voltage; a voltage drop converting part that generates and supplies a third operation voltage; and a controlling part that controls at least one of the first voltage switching part and the second voltage switching part depending on a functional mode, and controls the voltage drop converting part to maintain a work file related to the network functional mode if the monitor functional mode is selected.

Abstract: A display apparatus having a monitor functional mode and a network functional mode, includes a first voltage switching part that controls a first operation voltage; a second voltage switching part that controls a second operation voltage; a voltage drop converting part that generates and supplies a third operation voltage; and a controlling part that controls at least one of the first voltage switching part and the second voltage switching part depending on a functional mode, and controls the voltage drop converting part to maintain a work file related to the network functional mode if the monitor functional mode is selected.

Abstract: A power control system for a display apparatus includes a rectifying part converting AC power to DC power, a switching transformer transforming a DC voltage outputted from the rectifying part into an output voltage applied to the display apparatus, and a switching controller controlling a switching operation of the switching transformer.