Abstract: An explosion-proof apparatus includes a stopper having a hollow cylindrical shape that is open at a first side and closed at a second side, and configured to be combined with an electrolytic condenser to surround an explosion-proof face of the electrolytic condenser and a lateral side connected to the explosion-proof face, through the first side, and a holder provided on the stopper to support the stopper. The first side of the stopper is separated from the explosion-proof face of the electrolytic condenser, a lateral side of the stopper has a stepped structure in which a periphery of a first region connecting to the first side is larger than a periphery of a second region connecting to the second side, and the holder is mounted on the stopper to surround at least part of the periphery of the second region of the stopper.

Abstract: A display apparatus in which a height of an AC socket protruding to a rear side of a printed circuit board is reduced and a power cord is provided to be in close contact with a product to provide a display apparatus in which a creeping distance is increased to prevent the printed circuit board from being damaged by a high voltage or a stroke of lightning.

Abstract: A power supply apparatus and a method for controlling the power supply apparatus are provided. The power supply apparatus drives an electronic apparatus which may operate in a first mode or a second mode. The power supply includes an input voltage generator that generates an input voltage; an output voltage generator that generates a first output voltage by using the input voltage, and supplies the output voltage to the electronic apparatus; and a detector that determines the mode of the electronic apparatus by detecting a load of the electronic apparatus, and outputs a control signal to the output voltage generator in response to the mode of the electronic apparatus changing from the first mode to the second mode. In response to receiving the control signal, the output voltage generator generates a second output voltage that corresponds to the second mode.

Abstract: A back light device includes a first light emitting block including a plurality of light emitting modules connected in series to each other; a power supply module that applies a driving voltage to the first light emitting block; a first power switch connected to the first light emitting block and controls the driving voltage on or off; and a control module that turns on or off the first power switch such that a constant current is supplied to the first light emitting block and controls an on/off of the plurality of light emitting modules based on a dimming signal. The control module, in response to a ripple value of the constant current being different from a certain ripple value, changes at least one of a turn-on period and a turn-off period of the first power switch to calibrate the ripple value of the constant current to the certain ripple value.

Abstract: Disclosed are a two-stage noise filter, in which two filters are integrated, and an electronic device including the same. The two-stage noise filter includes a core configured to include a primary side and a secondary side opposite to the primary side; a first filter configured to include a first coil wound on the primary side of the core and a second coil wound on the secondary side of the core; a second filter configured to include a third coil wound on the primary side of the core in series with the first coil and a fourth coil wound on the secondary side of the core in series with the second coil; and an impedance balancer configured to keep a balance of impedance between the first and second filters.

Abstract: A connector apparatus a display apparatus including the connector are provided. The connector apparatus includes: a pair of connectors configured to be coupled to apparatuses; and a cable connecting the pair of connectors, wherein each connector of the pair of connectors includes a signal line part including a plurality of signal pins and a power line part including first and second terminals.

Abstract: A light emitting diode driver (LED) circuit and method are provided. The light emitting diode driver circuit includes an LED array; a LED driving circuit configured to supply current to the LED array through switching operations of a plurality of switches; and a driving controller configured to control the plurality of switches to supply current, corresponding to a dimming signal, to the LED array using a clock signal of a preset frequency. The driving controller may be further configured to control the plurality of switches to alternately perform switching operations.

Abstract: A display apparatus is disclosed. The display apparatus may include a display configured to display an image using a backlight, an image signal provider configured to provide an image signal to the display and a power supply unit configured to generate first driving power and second driving power using a first converter and a second converter, respectively, and provide the first driving power to the image signal provider and provide the second driving power to the backlight, wherein the power supply unit is configured to control the first converter and the second converter alternately.

Abstract: A display apparatus is provided. The display apparatus includes a display configured to display an image, an image signal provider circuit configured to provide an image signal to the display, and a power supply configured to generate driving power and to supply the generated driving power to the image signal provider, wherein the power supply controls an operation time of a power factor compensation (PFC) circuit which performs power factor compensation of the display apparatus based on a size of an output load receiving the driving voltage.

Abstract: Electronic parts for improving an isolation distance are provided. The electronic part includes: at least one plate; and first and second terminals each connected to the plate, wherein the electronic part is mounted in a PCB through the first and second terminals and a creepage distance between the first terminal and the second terminal is greater than a clearance distance between the first terminal and the second terminal.

Abstract: A power supplying system and a power module are provided. The power supplying system includes a power supplying apparatus configured to supply power to a display apparatus, and process an image signal received from outside and transmit the processed image signal to the display apparatus, and a power module configured to supply power to an external apparatus, wherein the power module is configured to be docked with the power supplying apparatus.

Abstract: A display apparatus, a power supply and a power supply method are disclosed. A power supply for a display apparatus includes a switching driver configured to perform a switching operation and output an operation voltage; a first charger/discharger configured to set timing of the switching operation; and a controller configured to control the switching driver to disable the switching operation until a voltage previously charged in the first charger/discharger is discharged up to a first voltage, when the display apparatus is in a power saving mode.

Abstract: A connector apparatus a display apparatus including the connector are provided. The connector apparatus includes: a pair of connectors configured to be coupled to apparatuses; and a cable connecting the pair of connectors, wherein each connector of the pair of connectors includes a signal line part including a plurality of signal pins and a power line part including first and second terminals.

Abstract: A noise filter and an electronic device including the same are disclosed. The noise filter is configured to suppress noise generated in a power line or a ground line of a power circuit unit provided in an electronic device. The electronic device including: at least one coil connected to the power line and the ground line; and a core around which the coil is wound, a common core portion configured to suppress common mode noise generated at the ground line and a normal core portion configured to suppress normal mode noise generated at the power line are formed as a single body. Thus, the common mode noise filter and the normal mode noise filter are integrated with each other to thereby improve productivity and reduce production costs.

Abstract: A power inlet socket coupled to a power delivering member of an electronic device to supply power from an external power plug to the electronic device includes a socket body comprising a power plug connector connected to the external power plug and a power delivering member connector connected to the power delivering member; three terminal pins, each terminal pin comprises a projecting pin extending from the power plug connector in parallel with one another to correspond to a terminal of the external power plug and a connection terminal exposed to the power delivering member connector; and an insulating barrier provided between at least a pair of connection terminals of the three terminal pins to cut off an electric current flowing among the connection terminals. Thus, the insulating distance of power inlet socket is improved.

Abstract: Provided are a display system including a plurality of display apparatuses and a control method of the same. The display system including a plurality of display apparatuses comprises a first display apparatus configured to display an image to constitute a multi-screen, and receive power from a single power source; and a second display apparatus configured to display an image to constitute the multi-screen, and receive power from the single power source, wherein the second display apparatus starts operation after the first display apparatus enters a normal driving state.

Abstract: A power supply and method of controlling power supplied to a light source are disclosed. The power supply includes a dimming-control voltage generator configured to generate a dimming-control voltage based on first and second adjustment values; a dimming controller configured to output a dimming control signal for controlling analog dimming and pulse width modulation (PWM) dimming of a light source based on the dimming-control voltage; and a driver configured to control the analog dimming and the PWM dimming of the light source based on the dimming control signal.

Abstract: Disclosed is a printed circuit board, to which at least one circuit device is mountable, including a base layer with a plurality of paper layers; a waterproof insulation layer laid on a first surface of the base layer; a copper foil layer laid on a second surface opposite to the first surface of the base layer and printed with a signal line pattern connectable with the at least one circuit device; and an adhesive layer configured to be interposed between the base layer and the copper foil layer that includes an adhesive material for adhering the base layer and the copper foil layer.

Abstract: A power supply device of an electronic apparatus includes: a power input portion configured to receive alternating current (AC) power; a rectifier-smoother configured to rectify and smooth the received AC power and output the AC power; a power converter configured to convert a level of a voltage output from the rectifier-smoother to supply operating power to the electronic apparatus; a board on which the power input portion, the rectifier-smoother, and the power converter are provided; and a waterproof coating layer formed in an area on the board corresponding to a position of the power converter to prevent infiltration of moisture from an outside.

Abstract: According to an embodiment of the present disclosure, since the electronic components are fixed on the PCB by the clamp, post processing, such as soldering or application of an adhesive, may be not needed. Also, since the PCB can be spaced from the adjacent configurations by the clamp, the efficient layout of the PCB is possible, resulting in an improvement of productivity of the PCB. In accordance with an aspect of the present disclosure, there is provided a clamp comprises a fixing part configured to surround at least one part of the outer surface of an electronic component, a connection part extending from the fixing part, and penetrating a Printed Circuit Board (PCB), an interference part provided in at least one of the fixing part or the connection part, and configured to be interfered by the PCB and a spacing part protruding from at least one of the connection part or the fixing part.