Abstract: A fuel cell includes a cell stack including a plurality of unit cells stacked in a forward travel direction of a vehicle, an enclosure disposed so as to surround at least a portion of the cell stack, and an end plate configured to support the plurality of unit cells of the cell stack, wherein the end plate has a reactant gas inlet and a reactant gas outlet disposed further forward than the cell stack in the forward travel direction of the vehicle.

Abstract: The present invention pertains to an Internet of things platform which includes: a middleware that includes an apparatus management unit for receiving apparatus generated information from an Internet of things apparatus so as to establish a connection to the Internet of things apparatus, a service management unit for abstracting the Internet of things apparatus into a service apparatus and for controlling the Internet of things apparatus according to a service scenario, and a data management unit for generating and storing data regarding the apparatus management unit, the service management unit and the Internet of things apparatus; and a script editor that generates the service scenario for the service apparatus.

Abstract: An apparatus for controlling cooling of a fuel cell-based generator system is provided. The apparatus includes a first valve disposed between an individual cooling-water line of a first fuel cell system and a common cooling-water line and a first valve driver that opens and closes the first valve. A second valve is disposed between an individual cooling-water line of a second fuel cell system and the common cooling-water line and a second valve driver opens and closes the second valve. A controller determines whether a cooling-water temperature of the first fuel cell system exceeds a reference value, and opens the first valve and the second valve so that cooling-water for the second fuel cell system flows into the first fuel cell system, when the cooling-water temperature of the first fuel cell system exceeds the reference value.

Abstract: Provided is a memory device. The memory device includes: a substrate; a gate insulating film disposed on the substrate; a ferroelectric thin film disposed on the gate insulating film; a blocking film disposed on the ferroelectric thin film; and a gate pattern disposed on the blocking film, wherein the ferroelectric thin film includes a spacer having a fixed polarization regardless of an electric field that is applied from an outside, and a ferroelectric domain having a polarization controlled by the electric field that is applied from the outside, and a plurality of spacers and a plurality of ferroelectric domains are alternately and repeatedly provided in a direction parallel to a top surface of the substrate (in a b-lattice direction).

Abstract: A display device includes: a substrate; a first sensor electrode and a second sensor electrode disposed on the substrate; an antenna electrically separated from the first sensor electrode to transmit and receive radio frequency signals; and an antenna feed line electrically connected to the antenna pattern.

Abstract: An apparatus for embedding a sentence feature vector according to an embodiment includes a sentence acquisitor configured to acquire a first sentence and a second sentence, each including one or more words; a vector extractor configured to extract a first feature vector corresponding to the first sentence and a second feature vector corresponding to the second sentence by independently inputting each of the first sentence and the second sentence into a feature extraction network; and a vector compressor configured to compress the first feature vector and the second feature vector into a first compressed vector and a second compressed vector, respectively, by independently inputting each of the first feature vector and the second feature vector into a convolutional neural network (CNN)-based vector compression network.

Abstract: A display device includes a first sensing cell located in a display area; a first sensing line extending toward a non-display area from the first sensing cell; a second sensing cell most adjacent to the first sensing cell in a first direction in the display area; a second sensing line extending toward the non-display area from the second sensing cell; a multiplexer located in the non-display area, the multiplexer is connected to the first sensing line, the multiplexer is not connected to the second sensing line; a first pad connected to the multiplexer through a first multiplexer line; and a second pad connected to the second sensing line.

Abstract: A cold crucible structure according to an embodiment of the present invention includes a cold crucible structure according to an embodiment of the present invention includes: a cold crucible unit including hollow top and bottom caps, a plurality of segments connecting the top cap and the bottom cap, slits disposed between the segments, and a reaction area surrounded by the segments; and an induction coil unit disposed to cover the outer side of the cold crucible unit and disposed across the longitudinal directions of the segments and the slits, in which the diameter of the reaction area is defined as a crucible diameter, the crucible diameter is 100 to 300 mm, and a width of each of the slits is defined by d slit ? 0.3 × ? 50 (mm)(where dslit is the width of each of the slits and Ø is the crucible diameter).

Abstract: A method for controlling a fuel cell system is provided. The method includes upon start of a fuel cell stack, obtaining a flow rate of air supplied into a cathode after an air regulator for regulating the air supplied into the cathode is opened. A sealing state of the fuel cell stack is then determined based on the obtained flow rate of the air.

Abstract: A display device includes: a substrate; a display layer on the substrate and including light emitting elements to emit light; a sensor electrode layer on the display layer and including sensor electrodes and sensor lines connected to the sensor electrodes; and a circuit board including sensor circuit lines electrically connected to the sensor lines and radio signal lines that form coupling capacitors with the sensor circuit lines.

Abstract: A semiconductor device includes circuit active fin lines and circuit gate lines intersecting each other in a circuit active region, dummy active fin lines and dummy gate lines intersecting each other in a dummy active region, the active fin lines and the dummy active fin lines having same width and pitch, and the circuit gate lines and the dummy gate lines having same width and pitch, wherein at least some of the dummy active fin lines are aligned with and collinear with respective circuit active fin lines, and at least some of the dummy gate lines are aligned with and collinear with respective circuit gate lines.

Abstract: A fuel cell purging method is provided to effectively prevent fuel cell deterioration and degradation of durability of the fuel cell by performing hydrogen purging at a point in time at which negative pressure of an anode peaks after a fuel cell vehicle is stopped. The fuel cell purging method includes stopping the driving of a fuel cell vehicle and continuously measuring pressure of an anode of a fuel cell after the fuel cell vehicle is stopped. Additionally, hydrogen is supplied to the anode when the measured pressure of the anode reaches a negative pressure peak time point.

Abstract: An optical touch film includes a sensor layer, an optical film, an adhesive layer, a separation layer, and a refractive insulating layer. The sensor layer includes touch electrodes forming a sensor. The adhesive layer is between the sensor layer and the optical film. The separation layer is on a surface of the sensor layer. The separation layer includes an organic polymer material. The refractive insulating layer is on the touch electrodes. A refractive index of the refractive insulating layer is greater than a refractive index of the separation layer.

Abstract: An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.

Abstract: The present disclosure relates to an apparatus and a method for controlling a concentration of exhaust hydrogen in a fuel cell system. The apparatus may include an air exhaust valve for discharging hydrogen from a cathode in a fuel cell stack to an outside environment through an air exhaust line, an air compressor for supplying ambient air to the air exhaust line, an air cut-off valve for blocking air supplied to the cathode, and a controller that opens the air exhaust valve and drives the air compressor when starting to supply hydrogen to the fuel cell stack, and opens the air cut-off valve such that a concentration of the hydrogen discharged from the cathode is reduced by air in the air exhaust line when the hydrogen supply is completed.

Abstract: A touch sensor for a display device includes: a base layer including first and second sensing regions adjacent to each other in a first direction and a non-sensing region surrounding at least one side of each of the first and second sensing regions; first sensors disposed in each of the first and second sensing regions, the first sensors being arranged along a second direction intersecting the first direction, the first sensors being electrically connected to each other along the second direction; second sensors disposed in each of the first and second sensing regions, the second sensors being arranged along the first direction, the second sensors being electrically connected to each other along the first direction; and at least one third sensor located in the first sensing region and the second sensing region, wherein the at least one third sensor includes first and second sub-sensors electrically separated at a boundary between the first sensing region and the second sensing region, and the first and second

Abstract: A cooling control system includes: a fuel cell stack formed with a cooling flow path in which hydrogen and oxygen are received and reacted, respectively, and coolant flows between separators; a coolant circulation line connected with the cooling flow path of the fuel cell stack, and having the coolant flowing therein; a cooling pump connected to the coolant circulation line to circulate the coolant to cool the fuel cell stack; a heat generation amount estimator for estimating the heat generation amount of the fuel cell stack; a coolant estimator for estimating an amount of the coolant to cool the fuel cell stack based on the heat generation amount of the fuel cell stack; and a driving controller for controlling the operation of the cooling pump based on the estimated amount of the coolant.

Abstract: A system for estimating a concentration of hydrogen in a fuel cell is provided. The system includes a hydrogen supply line supplying the hydrogen to the fuel cell and a time measurement sensor measuring a time duration from a point in time when an operation of the fuel cell ends to a point in time when the fuel cell restarts. A controller estimates an amount of air introduced into the fuel cell during the time duration using the measured time duration and estimates a concentration of hydrogen in the hydrogen supply line at the time of restarting the fuel cell based on the measured time duration and the estimated amount of introduced air.

Abstract: A fuel cell system includes a fuel cell stack having a cathode and an anode, a humidifier configured to humidify air that is to be supplied to the cathode, an air supply unit configured to supply the air to the humidifier, and a controller. The controller is configured to adjust a flow rate of the air supplied from the air supply unit, based on a supply of the humidifier, to prevent flooding of the fuel cell stack.

Abstract: A fuel cell system and a control method thereof are provided. The control method includes acquiring a first pressure that corresponds to a pressure in an anode immediately before starting and determining a hydrogen supply target differential pressure value that corresponds to a pressure value boosted in the anode by hydrogen supplied to the anode when starting the system, based on an intensity of the acquired first pressure acquired. An opening degree of a hydrogen supply valve connected to the anode is then adjusted to supply sufficient hydrogen to boost the pressure in the anode that corresponds to the hydrogen supply target differential pressure value.