Abstract: A hydrogen supply control system for a fuel cell is provided. The system includes a fuel cell stack that generates electricity using supplied hydrogen and air and a recirculation line that supplies hydrogen discharged from an outlet of the fuel cell stack back to an inlet of the fuel cell stack. A purge valve is disposed at an outlet side of the fuel cell stack of the recirculation line and discharges hydrogen in the recirculation line to the outside as the outlet is opened. A recirculation determining processor determines a recirculation state of the recirculation line and a concentration estimator estimates a purge amount for each gas, which is purged by the purge valve, based on the determined recirculation state and estimates a concentration of hydrogen in the recirculation line based on the estimated purge amount for each gas.

Abstract: A smoke generation product and a manufacturing method therefor, which relate to the technical field of tobaccos. The smoke generation product comprises a filter tip base body, a second connecting component, and an aroma generation portion. The filter tip base body comprises a first connecting component, and comprises a cooling portion and a filtering portion that are sequentially disposed in a smoking direction. The filtering portion and the cooling portion are connected by means of the first connecting component. A filtering passage and a cooling passage are in mutual communication. The aroma generation portion is connected to the filter tip base body by means of the second connecting portion, and the aroma generation portion is configured to release smoke by means of heating and make the smoke enter the cooling passage.

Abstract: In a signal processing apparatus, a photoelectric conversion member includes a first photoelectric conversion layer configured to photoelectrically convert at least one of blue light or red light, and a second photoelectric conversion layer on an incident light surface of the first photoelectric conversion layer and configured to photoelectrically convert green light. An interpolation circuit is configured to interpolate at least one of a blue light signal or a red light signal obtained by photoelectric conversion in the first photoelectric conversion layer L1, using a green light signal obtained by photoelectric conversion in the second photoelectric conversion layer L2. An absorption correction circuit is configured to perform absorption correction on the green light signal, using at least one of the blue light signal or the red light signal that are interpolated by the interpolation circuit.

Abstract: A semiconductor device includes a substrate including a recess, the recess being positioned below an isolation region and having a side portion including a plurality of stepped portions, a plurality of gate electrodes spaced apart from each other on the substrate, and stacked in a direction perpendicular to an upper surface of the substrate, a channel structure passing between a first set of the plurality of gate electrodes, and the isolation region passing between a second set of the plurality of gate electrodes, the isolation region extending from the upper surface of the substrate and having an inclined lateral surface.

Abstract: The washing machine includes a cabinet, a drum installed inside the cabinet, and a fan assembly to guide heated air into the drum. A fan assembly includes a shroud provided with an air inlet hole, a hub rotated by a driving motor, a plurality of blades provided along a circumferential direction of the hub to guide the air introduced through the air inlet hole in the circumferential direction of the hub, and a scroll guiding the air guided in the circumferential direction of the hub into the drum. A partition wall prevents the air guided in the circumferential direction of the hub from being re-introduced into the air inlet hole. The blade includes a shroud contact portion in contact with the shroud and a hub contact portion in contact with the hub. An inflection point is formed between the shroud contact portion and the hub contact portion.

Abstract: A vertical semiconductor device includes a plurality of channel connection patterns, a lower insulation layer, a supporting layer, a stacked structure, and a channel structure. The channel connection patterns, on which the lower insulation layer is formed, contact a substrate. The supporting layer is formed on the lower insulation layer to be spaced apart from the channel connection patterns, and includes polysilicon doped with impurities. The stacked structure is formed on the supporting layer, and includes insulation layers and gate electrodes to form a memory cell string. The channel structure passes through the stacked structure, the supporting layer and the lower insulation layer, and includes a charge storage structure and a channel which contacts the channel connection patterns. The charge storage structure and the channel face the gate electrodes and the supporting layer. The supporting layer serves as a gate of a gate induced drain leakage (GIDL) transistor.

Abstract: An electronic apparatus for illuminating and photographing a user's face and a control method thereof are provided. The electronic apparatus includes a camera configured to photograph a user's face, a transceiver configured to perform communication with a user terminal, and at least one processor configured to photograph the user's face a plurality of times on the basis of a plurality of photographing parameters to obtain a plurality of images, extract face regions corresponding to each of the plurality of images photographed on the basis of the plurality of photographing parameters, synthesize the extracted user's face regions with each other to create a synthesized image, and control the transceiver to transmit data on the synthesized image to the user terminal for the purpose of skin analysis for the user's face.

Abstract: A semiconductor package includes a connection structure including an insulating layer, a redistribution layer disposed on the insulating layer, and a connection via penetrating through the insulating layer and connected to the redistribution layer, a frame disposed on the connection structure and having a through-hole, a semiconductor chip disposed in the through-hole on the connection structure and having a connection pad disposed to face the connection structure, and a passive component disposed on the frame.

Abstract: A method for manufacturing a power semiconductor device includes forming a trench in a semiconductor substrate, forming a gate insulation film and a gate electrode in the trench, implanting a first conductivity type impurity into the semiconductor substrate to form a first conductivity type body region, implanting a second conductivity type impurity onto a surface of the semiconductor substrate to form a second conductivity type source region, forming an interlayer insulation film in the trench, implanting the first conductivity type impurity onto the surface of the semiconductor substrate to form a first conductivity type highly doped body contact region, exposing a portion of a side surface of the trench, and forming a source metal to be in contact with the exposed side surface of the trench.

Abstract: The present invention relates to a peptide composition capable of binding with major histocompatibility complex class I molecules to induce an anti-cancer immune response in a subject. Particularly, the peptide composition comprises at least a Four-jointed Box 1 peptide and a Melanoma Antigen family D4b peptide. The present invention further relates to the use of a peptide composition and a peptide vaccine for inducing the anti-cancer immune response in the subject.

Abstract: Electrolytes and electrolyte additives for energy storage devices comprising phosphorus based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a phosphorus based compound.

Abstract: A vending machine with a reduced vertical height and footprint has a horizontal roller surface system for delivering vending products. The horizontal roller system includes actuated rollers and trays that move on top of the rollers. The products are present on top of the trays; the rollers actuate to deliver the trays, and the products, to a delivery portal. Some embodiments of the vending machine have a transparent top to allow the interior of the vending machine, and particularly the roller surface, to be visible from the exterior of the vending machine. The reduced height and size of the vending machine enables it to be placed in locations that are unavailable to conventional vending machines.

Abstract: A display substrate includes a data line extending in a first direction, a first transistor including a first channel area overlapping the data line and a first control electrode which overlaps the first channel area and has a substantially same shape as that of the first channel area in an overlap area in which the first control electrode overlaps the first channel area, a scan line extending in a second direction crossing the first direction, a first voltage line extending in the first direction and transfers a first driving signal, a first capacitor including an extension electrode which overlaps the first control electrode and extends in the second direction from the first voltage line and a second capacitor including an overlap electrode overlapping the data line.

Abstract: The present invention relates to anovel quinolinone derivative compound that regulates intracellular signal transduction mediated by TSLP and IL-33 to exhibit efficacy in preventing or treating allergic diseases such as asthma or atopic dermatitis. The quinolinone derivative compound of the present invention can effectively suppress inflammatory responses of allergic diseases such as asthma or atopic dermatitis. The present invention also relates to a pharmaceutical composition including the quinolinone derivative compound. The pharmaceutical composition of the present invention can be used to fundamentally prevent or treat various allergic and asthmatic diseases.

Abstract: A semiconductor apparatus includes a termination voltage terminal, a first pin, a second pin, a first termination circuit and a second termination circuit. The first termination circuit is coupled between the termination voltage terminal and the first pin. The second termination circuit is coupled between the termination voltage terminal and a second pin. Resistance values of the first termination circuit and the second termination circuit may be determined on a basis of distances from the termination voltage terminal to the first pin and the second pin.

Abstract: An electrode substrate for a transparent light emitting device display containing a transparent substrate; a wire electrode unit, which is provided on the transparent substrate and comprises a metal mesh pattern; and at least one light emitting device mounting unit provided on the transparent substrate, in which both an upper surface and a lateral surface of the metal mesh pattern of the wire electrode unit comprise a darkening layer pattern, and both an upper surface and a lateral surface of the light emitting device mounting unit do not comprise a darkening layer pattern.

Abstract: A device for determining impedance at a data pin of a communication interface. In one embodiment, the device includes a current source configured to selectively inject a test current to the data pin. The device also includes a sensing circuit for sensing a first test voltage corresponding to a voltage at the data pin without the test current injected, and a second test voltage corresponding to another voltage at the data pin with the test current injected. The sensing circuit determines the impedance at the data pin based on the first test voltage and the second test voltage.

Abstract: The present specification relates to a whitening composition containing a novel quercetin-based compound isolated from post-fermented tea, an isomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a solvate thereof, wherein the whitening composition can be widely utilized in fields associated with skin whitening and skin care.

Abstract: A vending machine has an interactive customer experience. Some embodiments of the vending machine include a transparent front wall with a plurality of display units located behind the front wall. Each of the display units may contain an example of a product available for vending. Based on input received from a customer and other information, the vending machine may provide a recommendation for a product or products to select for purchase. The vending machine may highlight the recommendation by selectively illuminating the product display units that contain the recommended products.

Abstract: A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.