Abstract: A negative electrode active material as well as a method of preparing a negative electrode active material which includes preparing a silicon-based compound including SiOx, wherein 0.5<x<1.3; disposing a polymer layer including a polymer compound on the silicon-based compound; disposing a metal catalyst layer on the polymer layer; heat treating the silicon-based compound on which the polymer layer and the metal catalyst layer are disposed; and removing the metal catalyst layer, wherein the polymer compound includes any one selected from the group consisting of glucose, fructose, galactose, maltose, lactose, sucrose, a phenolic resin, a naphthalene resin, a polyvinyl alcohol resin, a urethane resin, polyimide, a furan resin, a cellulose resin, an epoxy resin, a polystyrene resin, a resorcinol-based resin, a phloroglucinol-based resin, a coal-derived pitch, a petroleum-derived pitch, a tar and a mixture of two or more thereof.

Abstract: The present invention relates to a membrane humidifier for a fuel cell which can improve humidification efficiency by selectively supplying exhaust gas discharged from a fuel cell stack to each part of a hollow fiber membrane module. A membrane humidifier for a fuel cell according to an embodiment of the present invention comprises: a hollow fiber membrane module, a humidification module, and an active flow control unit formed between a fuel cell stack and the humidification module and automatically controlling the exhaust gas discharged from the fuel cell stack so as to be supplied to at least one selected from among a first and an exhaust gas inlets.

Abstract: Disclosed is a fuel cell system. The fuel cell system of the present invention is characterized by a gas-liquid separator for removing foreign substances in air between a stack and an air supply unit. So the present invention can therefore prevent the foreign substances from being supplied to the stack and improve the function and extend the lifetime of the stack.

Abstract: According to the present disclosure, a measuring method of liquid mixture purity includes steps as follows. A storage tank is provided, wherein the storage tank is configured for storing a liquid mixture including formic acid and water. A calculating unit is provided, wherein a plurality of formic acid purity values are saved in the calculating unit. A pressure-decreasing and heating step is performed by reducing a pressure of the storage tank and heating the storage tank. A measuring step is performed by measuring in the inner space of the storage tank to obtain a pressure value, and measuring the liquid mixture simultaneously to obtain a temperature value. A calculating step is performed by inputting the pressure value and the temperature value into the calculating unit, wherein the calculating unit outputs one of the formic acid purity values corresponding thereto.

Abstract: The present invention relates to a fuel cell membrane humidifier having an improved coupling force between a potting portion and an inner case so that the coupling force can be maintained even when a fuel cell is repeatedly driven and stopped, the fuel cell membrane humidifier according to an embodiment of the present invention comprising: a humidification module for humidifying, with the moisture in exhaust gas discharged from a fuel cell stack, the air supplied from the outside; and caps respectively coupled to both ends of the humidification module. The humidification module comprises at least one cartridge including an inner case, a plurality of hollow-fiber membranes arranged in the inner case, the potting portion fixing the ends of the plurality of hollow-fiber membranes, and a laser bonding surface which is formed between the inner case and the potting portion through a laser bonding.

Abstract: A display apparatus having a mura compensation function includes a mura memory in which compensation data corresponding to coefficient values of a mura compensation equation is stored; and a mura compensation circuit configured to perform mura compensations on display data by using the mura compensation equation to which the compensation data has been applied, wherein the coefficient values are set so that the mura compensation equation has been fit to have a curve that satisfies known difference values of selected gray levels, a first estimation difference value of a first estimation gray level higher than the selected gray levels, and a second estimation difference value of a second estimation gray level lower than the selected gray levels, and wherein the compensation data comprises the coefficient values of the mura compensation equation in which all of the known difference values of the selected gray levels, the first estimation difference value, and the second estimation difference value have a differen

Abstract: According to various embodiments of the present invention, disclosed is an electronic device comprising: a first antenna element configured so as to transmit and receive a signal of a first frequency band or a second frequency band; a second antenna element configured so as to transmit and receive the signal of the first frequency band or the second frequency band; a first RF block electrically connected to the first antenna element and the second antenna element and including a first transmission and reception circuit and a second transmission and reception circuit; an RF reception circuit for receiving the signal of the first frequency band or the second frequency band from the first antenna element or the second antenna element; and a transceiver, wherein the first transmission and reception circuit processes the signal of the first frequency band or the second frequency band, the second transmission and reception circuit processes the signal of the first frequency band or the second frequency band, and th

Abstract: The disclosure provides an array substrate of a thin film transistor including an oxide semiconductor pattern, and a display device using the same. The thin film transistor array substrate includes a substrate including an active area and a non-active area disposed around the active area, and a first thin film transistor disposed on the substrate. The first thin film transistor includes a first oxide semiconductor pattern disposed on the substrate, a first gate electrode disposed under the first oxide semiconductor pattern while overlapping with the first oxide semiconductor pattern, a first source electrode and a first drain electrode disposed on the first oxide semiconductor pattern and connected to the first oxide semiconductor pattern, and a first light shielding pattern disposed over the first oxide semiconductor pattern and electrically connected to one of the first source electrode and the first drain electrode while overlapping with the first oxide semiconductor pattern.

Abstract: A display apparatus is provided. The display apparatus may include a light-emitting device and a pixel driving circuit electrically connected to the light-emitting device. The pixel driving circuit may supply a driving current corresponding to a data signal to the light-emitting device according to a gate signal. For example, the pixel driving circuit may include at least one thin film transistor. The thin film transistor may include an active pattern comprising an oxide semiconductor. A source region of the active pattern overlaps a source semiconductor pattern, and a drain region of the active pattern overlaps a drain semiconductor pattern. The source semiconductor pattern and the drain semiconductor pattern may include n-type impurities. A channel region of the active pattern may be outside the source semiconductor pattern and the drain semiconductor pattern. Thus, in the display apparatus, reliability of the pixel driving circuit may be improved.

Abstract: A lens includes a lens unit; an intermediate layer configured to cover a surface portion of the lens unit; and a water-repellent layer, configured to cover a surface portion of the intermediate layer, including a base layer and an ultraviolet (UV) absorber disposed in the base layer.

Abstract: The present disclosure relates to an electronic assembly.

Abstract: A lighting device may include a substrate, light sources, a resin layer disposed on the substrate and the light sources, and a phosphor layer disposed on the resin layer. A surface of the resin layer has a flat upper surface and a plurality of side surfaces on an outer side of the flat upper surface. At least one of the plurality of side surfaces of the resin layer has a curved surface. The phosphor layer has a first region disposed on the flat upper surface of the resin layer and a second region disposed on the plurality of side surfaces of the resin layer. Light generated from the plurality of light sources is emitted through the flat upper surface and the curved surface of the resin layer.

Abstract: Estimating a material property parameter of fabric involves receiving information including a three-dimensional (3D) contour shape of fabric placed over a 3D geometric object, estimating a material property parameter of the fabric used for representing drape shapes of 3D clothes made by the fabric by applying the information to a trained artificial neural network, and providing the material property parameter of the fabric.

Abstract: A method for manufacturing a processed food is provided, which includes steps of (a) processing raw materials classified per characteristics into a food, (b) after the step (a), weighing aged processed food by a predetermined weight, and inner packaging the weighed processed food with a laminated transparent film in which a polypropylene film, nylon and CPR are laminated together; (c) after the step (b), sterilizing the processed food at a low temperature and at high a temperature and a high pressure, and cooling the sterilized processed food at a predetermined temperature or lower, and (d) after the step (c), performing a detection test for metallic components in the sterilized and cooled processed food and then outer packaging the same.

Abstract: A lighting device disclosed in an embodiment of the invention includes: a substrate; a plurality of light emitting devices disposed on the substrate; a first reflective member disposed on the substrate; a resin layer disposed on the first reflective member; a second reflective member disposed on the resin layer; and a wavelength conversion layer disposed on one surface of the resin layer opposite to the light emitting surface of the light emitting device, wherein a distance from the light emitting surface to the one surface may be 5 to 10 times a height of the resin layer.

Abstract: A lighting device disclosed in an embodiment of the invention includes: a substrate; a plurality of light emitting devices disposed on the substrate; a first reflective member disposed on the substrate; a resin layer disposed on the first reflective member; a second reflective member disposed on the resin layer; and a wavelength conversion layer disposed on one surface of the resin layer opposite to the light emitting surface of the light emitting device, wherein a distance from the light emitting surface to the one surface may be 5 to 10 times a height of the resin layer.

Abstract: An antenna includes a self-supporting electrically conductive wire having a width (W) and extending longitudinally along a length and between first and second ends of the conductive wire. The conductive wire forms one or more loops and comprises an electrically conductive layer disposed on and aligned with an adhesive layer. A width and a length of each of the conductive and adhesive layers are substantially co-extensive with the width and the length of the conductive wire.

Abstract: Provided is a chitosan hydrogel composition including chitosan, glycerol, and a phosphate group, wherein the chitosan is crosslinked via the glycerol, the phosphate group, or a combination thereof. The temperature at which the chitosan hydrogel composition may be induced from a liquid state into a gel state may be controlled according to the content ratio of the phosphate group and the glycerol, and since printing properties and strength are affected by the gelatin concentration, the composition may be used as an ink for 3D printing.

Abstract: A multilayer tape according to an embodiment of the present disclosure includes: an adhesive layer including an epoxy; and an electromagnetic interference (EMI) absorption layer disposed on the adhesive layer and including a thermoset epoxy resin and a plurality of magnetic metal particles which are distributed in the thermoset epoxy resin, and the magnetic metal particles include iron, and a ratio of a gross weight of the plurality of magnetic metal particles to a gross weight of the EMI absorption layer is higher than bout 40%, and a peel strength of the adhesive layer and the EMI absorption layer after the adhesive layer is cured is about 5 times or more greater than a peel strength of the adhesive layer and the EMI absorption layer before the adhesive layer is cured.

Abstract: A method and apparatus for transforming an input model according to an example embodiment are disclosed. The method includes receiving an input model including a first mesh with a first topology, generating a template model including a second mesh with a second topology, aligning the template model with the input model, generating correlation information between the second mesh of the aligned template model and the first mesh of the input model, generating, based on a skeleton of the aligned template model, a skeleton of the input model, generating, based on the correlation information, first skinning information indicating a connection relation between the skeleton of the input model and the first mesh, and transforming, based on at least one of the correlation information and the first skinning information, the input model.