Abstract: Provided is a resonant multi-loop antenna circuit for magnetic field communication. The resonant multi-loop antenna circuit includes a first loop antenna and a second loop antenna arranged substantially on a same plane, and a first/a second matching circuit connected in series to the first and the second loop antenna respectively. The first matching circuit may be configured to minimize reactance of the first loop antenna and the first matching circuit connected in series to each other at a first carrier frequency, the second matching circuit may be configured to minimize the reactance of the second loop antenna and the second matching circuit connected in series to each other at a second carrier frequency, and the first loop antenna and the second loop antenna may be arranged so that a center of the first loop antenna is spaced apart from a center of the second loop antenna by a predetermined distance.

Abstract: Silicon carbide power semiconductor device having uniform channel length and manufacturing method thereof disclosed. The power semiconductor device includes a drift region of a first conductivity type, a plurality of body regions of a second conductivity type, being formed to be spaced apart from each other with a preset WS in a horizontal direction in an upper region of the drift region, a JFET region of the first conductivity type and a low-resistance region of the first conductivity type, being formed in a separation space between adjacent body regions to contact their side surfaces with the adjacent body regions and a source region of the first conductivity type, being formed in a surface region in the body region in contact with the low-resistance region to be spaced apart from the low-resistance region by a preset channel length.

Abstract: A conductive composite material, a method of preparing the same, and a secondary battery including the same. The conductive composite material may increase the proportion of an active material when forming an electrode by chemically bonding a conductive material and a binder to each other. A method of preparing the conductive composite material comprises ionizing carbon-based particles in a predetermined polarity, ionizing PTFE particles in a polarity different from that of the carbon-based particles, and chemically bonding the ionized carbon-based particles and the ionized PTFE particles, which are ionized in different polarities, to each other.

Abstract: The present invention relates to a wearable pressure ulcer detection sensor, and the wearable pressure ulcer detection sensor according to the present invention includes a pressure sensor measuring pressure based on a change in capacitance caused by physical force, a temperature sensor measuring temperature based on a change in electrical conductivity due to electron hopping, and an impedance sensor including two electrodes spaced apart from each other and in contact with skin.

Abstract: Disclosed herein are an apparatus and method for a multi-cloud service platform. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program may receive a service request from a user client device, generate a multi-cloud infrastructure service using multiple clouds in response to the service request, make the multiple clouds interoperate with mufti-cloud infrastructure in order to provide the multi-cloud infrastructure service, and generate a multi-cloud application runtime environment corresponding to the multi-cloud infrastructure service.

Abstract: The present invention relates to a method, system and non-transitory computer-readable recording medium for assisting listening study. According to one aspect of the invention, there is provided a method for assisting listening study, comprising the steps of: determining a plurality of weak study sentences that a user who is provided with assessment study sentences by speech fails to understand, with reference to feedback from the user; determining at least some of pronunciations or pronunciation combinations commonly included in the plurality of weak study sentences as weak pronunciations or pronunciation combinations that the user fails to understand; and determining a compensatory study course to be provided to the user, with reference to the determined weak pronunciations or pronunciation combinations.

Abstract: An exemplary embodiment provides a signal receiver device capable of detecting a radio communication signal with a high signal-to-noise ratio while internally canceling an environmental noise. A signal receiver device according to an exemplary embodiment includes a first signal detection element; and a second signal detection element electrically connected to the first signal detection element and provided with a blocking member for attenuating a communication signal among received RF signals. The signal receiver device is configured to output a difference between a first detection signal detected by the first signal detection element and a second detection signal detected by the second signal detection element as a detected receive signal.

Abstract: A positive electrode material for a lithium secondary battery has improved electron conductivity and surface stability because oxidation-treated carbon nanotubes are stably attached to the surface of an active material. According to one embodiment the positive electrode material includes a positive electrode active material core made of a Li—Ni—Co—Mn-M-O-based material (M=transition metal) and an oxidized carbon nanotube coating layer formed on the surface of the positive electrode active material core and including 1% to 3% by weight of oxidation-treated carbon nanotubes (OCNT) relative to 100% by weight of the positive electrode active material core.

Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes pre-treating a substrate by cleaning the substrate; etching the substrate by supplying an etchant and heating a substrate supplied with the etchant; and post-treating the substrate after the etching the substrate, and wherein the pre-treating the substrate, the etching the substrate, and the post-treating the substrate are each performed in different chambers, a substrate on which the pre-treating the substrate is completed is transferred in a dry state to a chamber at which the etching the substrate is performed, and a substrate on which the etching the substrate is completed is transferred in a wetted state with a liquid to a chamber at which the post-treating the substrate is performed.

Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.

Abstract: Provided is a method of manufacturing a zinc-plated steel sheet. The method includes: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; and zinc plating the annealed steel sheet by dipping in a molten zinc plating bath. Further provided is a method of manufacturing a hot-press part including: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; zinc plating the annealed steel sheet by dipping in a molten zinc plating bath; heating the zinc-plated steel sheet; and press forming the heated steel sheet.

Abstract: The present invention relates to a compound capable of lowering the flammability of a non-aqueous electrolyte when included in the non-aqueous electrolyte and improving the life properties of a battery by forming an electrode-electrolyte interface which is stable at high temperatures and low in resistance, and relates to a compound represented by Formula I descried herein, a non-aqueous electrolyte solution and a lithium secondary battery both including the compound, n, m, Ak, and X are described herein.

Abstract: A positive electrode material for a lithium secondary battery and a manufacturing method therefor are provided. The positive electrode material may have carbon nanotubes stably attached to a surface of an active material and may exhibit increased electron conductivity and improved surface stability. The positive electrode material for a lithium secondary battery may comprises: a positive electrode active material core comprising a Li—Ni—Co—Mn-M-O-based material, where M is a transition metal; and a carbon nanotube coating layer on a surface of the positive electrode active material core. Carbon nanotubes (CNT) may be in an amount of 1-5 wt %, based on 100 wt % of the positive electrode active material core.

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

Abstract: The present invention is a composition for liquid crystal polymer synthesis comprising an alicyclic dicarboxylic acid or its derivative (e.g., 1,4-cyclohexanedicarboxylic acid (CHDA)); an aromatic diol (e.g., hydroquinone (HQ)); an aromatic monocarboxylic acid having 7 to 10 carbon atoms and containing a hydroxyl group (e.g., 4-hydroxybenzoic acid, (HBA)); and an aromatic monocarboxylic acid having 11 to 20 carbon atoms and containing a hydroxyl group (e.g., 6-hydroxy-2-naphthalenecarboxylic acid (HNA)), and a liquid crystal polymer for electrical/electronic products, a polymer resin composition, and a molded product using the same.

Abstract: A display device includes a first display substrate including a light emitting element which emits light of a first color or light of a second color different from the first color, a second display substrate including in order toward the first display substrate, a layer including both a bank layer defining an opening and a wavelength control pattern in the opening, a capping layer covering the wavelength control pattern and the bank layer, and a color absorbing layer which corresponds to the bank layer and blocks the light of the first color and the light of the second color. The capping layer includes a first area corresponding to the color absorbing layer, the bank layer includes a second area corresponding to the color absorbing layer, and the first area of the capping layer is between the color absorbing layer and the second area of the bank layer.

Abstract: A method for providing information on a user's concept understanding is provided. The method includes acquiring a set of data on a user's understanding of concepts including a first concept estimated using a concept-specific understanding estimation model that is trained on the basis of concept-specific correctness/incorrectness sequence data, estimating the user's understanding of a second concept not encountered by the user using a matrix factorization algorithm on the concept-specific correctness/incorrectness sequence data represented in a matrix structure with respect to the first concept and the second concept, and visualizing the user's understanding of the first concept included in the acquired data set and the second concept on a device of the user. The concept-specific understanding estimation model is trained such that the concept understanding is estimated by assigning a greater weight to a piece of the concept-specific correctness/incorrectness sequence data generated at a later time point.

Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes an electrode plate applied with a power; an ion blocker positioned at a bottom side of the electrode plate, which has a plurality of top holes formed thereon, and which is grounded; a shower head positioned at a bottom side of the ion blocker and which has a plurality of bottom holes formed thereon; and a turbulence generating unit configured to have a turbulence space therein, and which is positioned at a space between the ion blocker and the shower head, and wherein the top hole is positioned to overlap the turbulence space when seen from above, and the bottom hole is positioned at an outer side of the turbulence space, and which faces at least one of a bottom surface of the ion blocker and an outer wall of the turbulence generating unit when seen from below.