Abstract: Disclosed is a display apparatus including an image processor configured to process an image signal, a display configured to display an image based on the image signal, a controller configured to control the display of the image, and a power supply configured to supply actuating power to the controller, the power supply including a power circuit configured to receive alternating current (AC) power and output the actuating power by a switching mode, a noise reducer configured to reduce high-frequency noise due to the switching mode, and a discharging circuit configured to supply a residual voltage of the noise reducer to the power circuit when the AC power is input, and discharge the residual voltage of the noise reducer when the AC power is shut off. Thus, it is possible to decrease power consumption caused when the residual voltage of the noise reducer is discharged.

Abstract: An apparatus and method for supplying power to an electronic device are provided. The apparatus includes a power converter, a main converter, and a sub converter. The power converts includes a rectifier configured to convert alternating current (AC) power into direct current (DC) power, and a smoothing condenser connected to an output terminal of the rectifier. The main converter is connected with an output terminal of the power converter and configured to supply power to a first component of the electronic device. The sub converter is connected with the output terminal of the power converter, and configured to supply power to components other than the first component, and to stop supplying the power in response to a momentary power interruption or a voltage dip occurring in the AC power.

Abstract: An electronic apparatus includes a system portion configured to operate with a received voltage, and a power supply including a pulse width modulation (PWM) generator to generate a PWM signal, a converter to transfer voltage from a primary side to a secondary side in accordance with an output voltage of the PWM generator, and an output portion to supply voltage at the secondary side as standby voltage to the system portion, the PWM generator receives feedback on the standby voltage at the secondary side of the converter, the PWM signal is turned on/off in accordance with levels of the standby voltage at the secondary side, and voltage being supplied to components, except, when the PWM signal is turned off, voltage at the secondary side is only supplied to a component that monitors the feedback of the standby voltage.

Abstract: An electromagnetic induction device, and a power supply apparatus and a display apparatus having the same are disclosed, the electromagnetic induction device comprising: a substrate layer comprising at least one substrate configured to be laid one upon another and a thin-film coil pattern, which is formed on at least one of both surfaces of the substrate and through which an electric current of a signal flows, the at least one substrate having an opening provided at an inner area of the thin-film coil pattern; a core configured to have a shape corresponding to a circulation path of magnetic flux generated by change in an electric current flowing in the thin-film coil pattern, and arranged to penetrate the inner area of the thin-film coil pattern through the opening of the substrate layer; and a heat dissipation layer disposed on one surface of the substrate, the heat dissipation layer configured to dissipate heat from at least one of the substrate layer and the core.

Abstract: A resonant converter, a power supply and a power controlling method thereof are provided. The power supply includes a resonant converter which includes a square wave generator configured to alternately turn on and off first and second switches according to a frequency to generate a square wave, a resonant wave generator configured to generate a resonant wave corresponding to the square wave and a rectifier configured to output a voltage corresponding to the resonant wave; and a controller configured to control a frequency modulation of the resonant converter, wherein the controller includes a variable switching circuit configured to increase the frequency of the resonant converter in response to the resonant converter entering a capacitive mode.

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 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 power supply circuit and method for driving an electronic device that operates in a first mode or a second mode is provided. The power supply circuit includes a pulse width modulation (PWM) controller configured to convert an input voltage to an output voltage, and a driving circuit that includes a switching element whose switching state is controlled in accordance with a mode change signal corresponding to the first and second modes. The driving circuit is configured to drive the PWM controller by switching off the switching element and supplying a first voltage to the PWM controller, in response to the mode change signal indicating that the electronic device operates in the first mode. When it is indicated that the electronic device operates in the second mode, the driving circuit switches on the switching element and supplies a second voltage to the PWM controller through the switching element.

Abstract: Disclosed is an apparatus for supplying power to a device. The apparatus includes a transformer configured to output a predetermined voltage to a device varying in load; a switch configured to switch on and off the voltage output from the transformer in accordance with pulse width modulation (PWM) signals; a PWM signal supplier configured to supply the PWM signal to the switch; a feedback circuit which detects the output from the transformer and applies a control signal to the PWM signal supplier; and an output voltage controller which detects a load current of the device, and adjusts the control signal of the feedback circuit by adjusting the output detected by the feedback circuit in accordance with the detected load current.

Abstract: Disclosed herein are systems and methods involving the use of magnetic resonance imaging and optogenetic neural stimulation. Aspects of the disclosure include modifying a target neural cell population in a first region of a brain to express light-responsive molecules. Using a light pulse, the light-responsive molecules in the target neural cell population are stimulated. Multiple regions of the brain are scanned via magnetic resonance imaging. The scans allow for observation of a neural reaction in response to the stimulation in at least one of the multiple regions of the brain.

Abstract: A power supply includes: a first switch arranged between an input power supplier and a load; a driving power supplier to receive input power through the first switch and to supply the input power to the load when a current mode of the load is a normal mode; and a power-saving power supplier connected to a power line branched from between the input power supplier and the first switch, the power-saving power supplier generating standby power when the current mode is a standby mode, and including a second switch connected to the power line, a charger to charge power transmitted through the second switch and to output the charged power as the standby power, a voltage detector to detect the voltage of the charged power, and a first controller to receive driving power from the charger and to control operation of the second switch according to the detected voltage.

Abstract: An electronic apparatus and a power controlling method thereof are provided. The electronic apparatus includes a system unit supplied with power to conduct an operation, and a power supply unit including a power control unit controlling output of standby power, and supplying the standby power to the system unit. The power control unit includes a pulse width modulation (PWM) generation unit generating a PWM signal and a first switching unit switched on/off based on an external input signal to selectively supply power to the PWM generation unit. Thus, power consumption of the electronic apparatus in the standby mode is minimized to facilitate conformance with power regulations in accordance with an energy saving policy.

Abstract: A fluid exchange membrane module includes a case including at least two pairs of fluid inlets and fluid outlets, and a fluid exchange membrane installed within the case and disposed so that a dry fluid flowing between one pair of a fluid inlet and a fluid outlet does not directly contact a high-humidity fluid flowing between another pair of a fluid inlet and a fluid outlet in the operating state of the module. The fluid inlet for the high-humidity fluid includes a diffuser. The fluid exchange membrane module may adiabatically expand a fluid flowing toward one side of a fluid exchange membrane and thus increase the relative humidity of the high-temperature and high-humidity fluid so as to maximize fluid transmission through the fluid exchange membrane, and may decrease the pressure of the fluid so as to uniform pressure distribution of a fluid flow.

Abstract: A hollow fiber membrane module is disclosed. In particular, technology for achieving a reduction in pressure deviation of channels generated when an external fluid passes through a case, thereby achieving a uniform flow rate of the fluid through each channel.

Abstract: A backlight unit, the backlight unit including a light-emitting diode (LED) module; a switching element connected to the LED module; and a controller configured to supply a driving voltage to the LED module, control a switching operation of the switching element, provide a constant current to the LED module, sense an operational error in the switching element, and control the driving voltage of the LED module in response to the sensed operational error.

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 system and method for predicting distance to empty of an electric vehicle are provided. The method includes storing 1˜n past mileages in a memory and calculating standard deviation for the 1˜n past mileages. A mileage is then predicted by discriminately reflecting the 1˜n past mileages based on the standard deviation. Accordingly, the distance to empty is calculated by multiplying the predicted mileage and battery available energy.

Abstract: A power circuit part, a power control method and a display apparatus having the same control an output DC voltage supplied as operating power to elements such as a display to be variably output at different levels according to a voltage level of input AC power. The power circuit part includes a rectifier configured to rectify a current of an input alternating current (AC) power into a direct current (DC); and a power factor corrector configured to output a DC voltage output set at a DC voltage level corresponding to an AC voltage level of the input AC power, and supplies the DC voltage as operating power to the electronic apparatus, wherein the DC voltage level is selected from a plurality of target DC voltage levels each corresponding to at least one of a plurality of AC voltage level ranges.

Abstract: A hollow fiber module is disclosed. The hollow fiber module in various aspects of the present invention may include: a housing, and a hollow fiber bundle mounted in the housing and having a fluid penetration distance ranged from 10 to 200 mm. The fluid penetration distance means the shortest distance from the outmost hollow fiber in a cross-section of the hollow fiber bundle to the hollow fiber existing at the center in the cross-section of the hollow fiber bundle. In accordance with various embodiments of the present invention, the hollow fiber module may maximize the fluid delivery efficiency by improving the flow uniformity of the fluid flowing the outside of the hollow fibers. In addition, the hollow fiber module may minimize the additional usage of the hollow fibers, and thus the cost and the size of the hollow fiber module may be reduced.

Abstract: Disclosed herein are systems and methods involving the use of magnetic resonance imaging and optogenetic neural stimulation. Aspects of the disclosure include modifying a target neural cell population in a first region of a brain to express light-responsive molecules. Using a light pulse, the light-responsive molecules in the target neural cell population are stimulated. Multiple regions of the brain are scanned via magnetic resonance imaging. The scans allow for observation of a neural reaction in response to the stimulation in at least one of the multiple regions of the brain.