Abstract: The present disclosure provides a display device, which enables minimization of a transformer circuit and which can be driven using various commercial voltages, and a method for controlling the display device. The display device according to an embodiment comprises: a display; a transformer which transforms commercial power and supplies the transformed commercial power to the display and which includes a plurality of switching devices; and a controller for determining, on the basis of the magnitude of an input voltage input to the transformer, whether or not to open at least one of the plurality of switching devices, and controlling the plurality of switching devices on the basis of an output voltage of the transformer to perform a modulation control of the output voltage to follow a predetermined reference voltage.

Abstract: The present disclosure provides a display device, which enables minimization of a transformer circuit and which can be driven using various commercial voltages, and a method for controlling the display device. The display device according to an embodiment comprises: a display; a transformer which transforms commercial power and supplies the transformed commercial power to the display and which includes a plurality of switching devices; and a controller for determining, on the basis of the magnitude of an input voltage input to the transformer, whether or not to open at least one of the plurality of switching devices, and controlling the plurality of switching devices on the basis of an output voltage of the transformer to perform a modulation control of the output voltage to follow a predetermined reference voltage.

Abstract: A power supply device according to an embodiment of the disclosure includes a power supply unit including a first power supply unit transmitting standby power to an electronic device and a second power supply unit transmitting main power to the electronic device and a cable including a standby power transmission line transmitting the standby power to the electronic device, a main power transmission line transmitting the main power to the electronic device, a first detect line receiving a power-on signal for operating the second power supply unit from the electronic device, and a second detect line determining whether the power-on signal is received. The second power supply unit does not operate when at least one of the first detect line and the second detect line is opened and the power-on signal is not received. Moreover, various embodiment grasped through the disclosure are possible.

Abstract: A display device is provided. The display device includes an adaptor including a low voltage part configured to output a first voltage converted from an AC power and a high voltage part configured to output a second voltage higher than the first voltage; an adaptor connector configured to detachably connect the adaptor thereto via a cable and to connect thereto a ground terminal of the low voltage part and a ground terminal of the high voltage part to be insulated from each other; a mainboard including a processor configured to operate by receiving the first voltage from the low voltage part via the adaptor connector; a power circuit configured to receive the second voltage from the high voltage part via the adaptor connector and including a ground terminal separated from a ground terminal of the mainboard; and a display configured to operate according to a voltage output form the power circuit to display an image under a control of the processor.

Abstract: An electronic device according to an embodiment the disclosure may include a display, a processor, and a power supply unit supplying power to the display and the processor. The power supply unit may include a power receiving unit receiving AC power from an external power source, a rectifying unit rectifying the AC power to convert the AC power to DC power, and a power factor correction unit adjusting a power factor of the DC power based on voltage at a specified point of the power supply unit and outputting voltage of the DC power to be output to the display, and the processor may be configured to identify power consumption of the display and to turn on or off the power factor correction unit based on the identified power consumption of the display. Moreover, various embodiment grasped through the disclosure are possible.

Abstract: A display device is provided, which includes a display main body, a support configured to support the display main body, and the support being made of a transparent material, and a stand coupled to a lower portion of the support, wherein the display main body is configured to receive a power supply through the stand and the support.

Abstract: A display device is provided. The display device includes an adaptor including a low voltage part configured to output a first voltage converted from an AC power and a high voltage part configured to output a second voltage higher than the first voltage; an adaptor connector configured to detachably connect the adaptor thereto via a cable and to connect thereto a ground terminal of the low voltage part and a ground terminal of the high voltage part to be insulated from each other; a mainboard including a processor configured to operate by receiving the first voltage from the low voltage part via the adaptor connector; a power circuit configured to receive the second voltage from the high voltage part via the adaptor connector and including a ground terminal separated from a ground terminal of the mainboard; and a display configured to operate according to a voltage output form the power circuit to display an image under a control of the processor.

Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a wireless power transmission module that wirelessly transmits power to a wireless power reception apparatus that is configured to supply power to a drive apparatus for an operation of an electronic apparatus, a first signal reception module that receives a control signal from a remote control apparatus, a first power supply module that supplies power to the first signal reception module, and a first control module configured to control the first power supply module. When the first signal reception module receives an off signal, the first control module controls the first power supply module such that power that is supplied to the wireless power transmission module is blocked.

Abstract: An electronic device according to an embodiment the disclosure may include a display, a processor, and a power supply unit supplying power to the display and the processor. The power supply unit may include a power receiving unit receiving AC power from an external power source, a rectifying unit rectifying the AC power to convert the AC power to DC power, and a power factor correction unit adjusting a power factor of the DC power based on voltage at a specified point of the power supply unit and outputting voltage of the DC power to be output to the display, and the processor may be configured to identify power consumption of the display and to turn on or off the power factor correction unit based on the identified power consumption of the display. Moreover, various embodiment grasped through the disclosure are possible.

Abstract: A power supply device according to an embodiment of the disclosure includes a power supply unit including a first power supply unit transmitting standby power to an electronic device and a second power supply unit transmitting main power to the electronic device and a cable including a standby power transmission line transmitting the standby power to the electronic device, a main power transmission line transmitting the main power to the electronic device, a first detect line receiving a power-on signal for operating the second power supply unit from the electronic device, and a second detect line determining whether the power-on signal is received. The second power supply unit does not operate when at least one of the first detect line and the second detect line is opened and the power-on signal is not received. Moreover, various embodiment grasped through the disclosure are possible.

Abstract: An LED driving apparatus, a display apparatus and an LED driving method are provided. The LED driving apparatus according to an example embodiment may include a plurality of LEDs configured to represent a different color, respectively, a constant current supply configured to supply constant current to each of the plurality of LEDs, and a controller configured to control the constant current supply to apply constant current to each of the plurality of LEDs at different points in time.

Abstract: A display apparatus supplies different driving powers according to a driving status of a backlight.

Abstract: An electronic apparatus is disclosed. The electronic apparatus includes a wireless power transmission module that wirelessly transmits power to a wireless power reception apparatus that is configured to supply power to a drive apparatus for an operation of an electronic apparatus, a first signal reception module that receives a control signal from a remote control apparatus, a first power supply module that supplies power to the first signal reception module, and a first control module configured to control the first power supply module. When the first signal reception module receives an off signal, the first control module controls the first power supply module such that power that is supplied to the wireless power transmission module is blocked.

Abstract: A display device is provided, which includes a display main body, a support configured to support the display main body, and the support being made of a transparent material, and a stand coupled to a lower portion of the support, wherein the display main body is configured to receive a power supply through the stand and the support.

Abstract: An LED driving apparatus, a display apparatus and an LED driving method are provided. The LED driving apparatus according to an example embodiment may include a plurality of LEDs configured to represent a different color, respectively, a constant current supply configured to supply constant current to each of the plurality of LEDs, and a controller configured to control the constant current supply to apply constant current to each of the plurality of LEDs at different points in time.

Abstract: A display apparatus supplies different driving powers according to a driving status of a backlight.