Abstract: Disclosed is an ionomer for a high-temperature polymer electrolyte membrane fuel cell, which includes a phosphorus (P)-containing functional group having proton conductivity and partially contains fluorine in the main chain thereof.

Abstract: There is provided a method for providing driver's driving information of a user terminal device, including accessing a driving information providing server storing data generated in a driving recording device for a vehicle, receiving driving record data including event record data corresponding to a driving-related event of a driver from the driving information providing server, and displaying a driving-related event occurrence location on a map using the received driving record data. The driving-related event may include at least two or more of a lane departure event, a forward collision possibility event, a rear side collision possibility event, a sudden deceleration event, a sudden acceleration event, a sudden stop event, a sudden start event, and a speeding event.

Abstract: A controller for a multi-level converter compares a first voltage proportional to an input voltage or an output voltage with a second voltage proportional to a voltage of a flying capacitor and adjusting a slope of a ramp signal for generating a pulse width modulation (PWM) signal so that the second voltage follows the first voltage in controlling the multi-level converter.

Abstract: A power supply system for a display apparatus, in which a structure for supplying operating voltages for a display panel is improved, and the power supply system may improve power efficiency by generating operating voltages using a system voltage of a high level.

Abstract: The present disclosure provides for sequentially turning on a plurality of power conversion modules according to the magnitude of load power at the time of driving the power conversion modules, operating power conversion modules which have already been turned on in an optimum efficiency interval, and providing increased load power through a power conversion module which has been newly turned on.

Abstract: A switching power supply may include: an inductor connected to an input voltage terminal; a first switch configured to form a first electrical path between the inductor and an output voltage terminal; a second switch configured to form a second electrical path between the inductor and a ground voltage terminal; a negative current sensor configured to sense an inductor current flowing through the first electrical path, and generate an over-current protection signal when the inductor current is sensed as a negative current equal to or more than a preset value; and a controller configured to enable a discontinuous conduction mode (DCM) when the over-current protection signal is generated, and turn off the first switch and turn on the second switch, in response to the enabled DCM.

Abstract: A switching power supply may include: an inductor connected to an input voltage terminal; a first switch configured to form a first electrical path between the inductor and an output voltage terminal; a second switch configured to form a second electrical path between the inductor and a ground voltage terminal; a negative current sensor configured to sense an inductor current flowing through the first electrical path, and generate an over-current protection signal when the inductor current is sensed as a negative current equal to or more than a preset value; and a controller configured to enable a discontinuous conduction mode (DCM) when the over-current protection signal is generated, and turn off the first switch and turn on the second switch, in response to the enabled DCM.

Abstract: A driver IC for electrical loads, suitable for regulating a driving voltage depending upon a feedback signal and supplying a regulated driving voltage to a power supply line to which load strings are connected in parallel. The driver IC includes driving current sources respectively connected to the load strings through regulated voltage nodes and configured to supply driving current to the load strings in response to a control signal; sensing units configured to sense and output a minimum voltage among voltages of the regulated voltage nodes; a sample-and-hold circuit configured to sample, hold and output the minimum voltage in response to the control signal; and a comparator configured to compare an output voltage of the sample-and-hold circuit and a reference threshold voltage and generate the feedback signal.

Abstract: A dehumidifier is provided. The dehumidifier includes a base, a barrier installed on the base to divide front and rear portions of the base, a drain pan formed on an upper portion of the barrier to collect condensed water and provided with a water collecting hole through which the condensed water is discharged, a drain hose connected to the water collecting hole to discharge the condensed water, and a hose fixing unit formed on the barrier to fix the drain hose.

Abstract: A driver IC for electrical loads, suitable for regulating a driving voltage depending upon a feedback signal and supplying a regulated driving voltage to a power supply line to which load strings are connected in parallel. The driver IC includes driving current sources respectively connected to the load strings through regulated voltage nodes and configured to supply driving current to the load strings in response to a control signal; sensing units configured to sense and output a minimum voltage among voltages of the regulated voltage nodes; a sample-and-hold circuit configured to sample, hold and output the minimum voltage in response to the control signal; and a comparator configured to compare an output voltage of the sample-and-hold circuit and a reference threshold voltage and generate the feedback signal.

Abstract: A dehumidifier is provided. The dehumidifier includes a cabinet defining an outer appearance of the dehumidifier, a barrier installed in the cabinet to collect condensed water, and a bucket assembly received in the barrier to store the condensed water, the bucket assembly being capable of pivoting frontward.

Abstract: A dehumidifier is provided. The dehumidifier includes a base, a barrier installed on the base to divide front and rear portions of the base, a drain pan formed on an upper portion of the barrier to collect condensed water and provided with a water collecting hole through which the condensed water is discharged, a drain hose connected to the water collecting hole to discharge the condensed water, and a hose fixing unit formed on the barrier to fix the drain hose.

Abstract: A monolithic air conditioner includes a cabinet, an outdoor heat exchanger mounted on a rear-inner portion of the cabinet and spaced away from a sidewall of the cabinet, a guide member attached on a rear surface of the outdoor heat exchanger, and a fan assembly disposed in the cabinet to introduce the outdoor air. The guide member has an air exhausting guide unit and an air introduction guide unit extending from the air exhausting guide section.

Abstract: A dehumidifier is provided. The dehumidifier includes a cabinet defining an outer appearance of the dehumidifier, a barrier installed in the cabinet to collect condensed water, and a bucket assembly received in the barrier to store the condensed water, the bucket assembly being capable of pivoting frontward.

Abstract: In a monolithic air conditioner, a front panel is mounted on a front of a cabinet and includes an indoor air intake, an indoor air outlet, and a discharge guide backwardly extended from the indoor air outlet. An indoor heat exchanger is mounted on a back of the front panel. An air guide on which the indoor heat exchanger is mounted includes an orifice in a center to pass sucked indoor air therethrough. A scroll is mounted on a back of the air guide to guide the sucked indoor air. An indoor fan is mounted between the scroll and the air guide to suck the indoor air. A shroud is mounted on a back of the scroll to guide sucked outdoor air and it defines an orifice in a center to discharge the sucked outdoor air. An outdoor fan is mounted on a back of the shroud to suck the outdoor air, a fan motor is mounted on the scroll to drive the indoor and outdoor fans, and an outdoor heat exchanger is mounted on a back of the outdoor fan to exchange heat with the sucked outdoor air.