Abstract: A method for controlling a mobile communication device using a user's distance specifying algorithm, the method comprises a first process of receiving an input image from a camera to generate first data; a second process of determining whether there is a candidate group that can be determined as a face using the first data and second data including a user's distance information; a third process of extracting, if there is a candidate group that can be determined as a face, from a plurality of third data including location information of the candidate group, fourth data having a minimum distance between a center of the first data and a center of the third data; and a fourth process of comparing the fourth data with a predetermined user's distance to determine whether it has a value within a tolerance range.

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 method for fabricating a light emitting element includes preparing a substrate, and forming a first semiconductor material layer, a light emitting material layer, a second semiconductor material layer and an electrode material layer on the substrate, forming semiconductor rods spaced apart from each other by etching the first semiconductor material layer, the light emitting material layer, the second semiconductor material layer and the electrode material layer in a direction perpendicular to an upper surface of the substrate, forming an insulating layer surrounding sides of the semiconductor rods through a sol-gel process by immersing the substrate, including the semiconductor rods, in a solution containing a precursor material, and forming light emitting elements by separating the semiconductor rods, including the insulating layer, from the substrate, and the light emitting elements have an external quantum efficiency of 20.2±0.6%.

Abstract: The present disclosure provides an electrolyte for a lithium secondary battery capable of improving the lifespan characteristics and output characteristics of a high capacity lithium secondary battery and a lithium secondary battery including the same.

Abstract: An additive for an electrolyte solution improves the electrochemical properties of a lithium secondary battery.

Abstract: Disclosed is an additive for an electrolyte solution to improve the electrochemical properties of a lithium secondary battery.

Abstract: A method of operating a host device according to the present technology includes determining an area to be tested among a mapped area and an unmapped area included in a storage area of a storage device, generating a test request corresponding to the determined area, and transmitting the generated test request to the storage device.

Abstract: The present technology includes a controller controlling an operation of a semiconductor memory device in response to a test request received from an external device. The controller includes a memory test controller and a performance information storage. The memory test controller generates a command corresponding to a test request received from the external device. The performance information storage stores a test operation result of the semiconductor memory device performed in response to the command.

Abstract: A memory system includes a memory device, a memory controller configured to control the memory device, and an auxiliary power source configured to supply power to the memory device and the memory controller. The memory controller activates the auxiliary power source in response to the occurrence an NPO (normal power-off) or an SPO (sudden power-off), checks whether there exists an uncompleted operation at a point of time at which the auxiliary power source is activated, and completes the uncompleted operation, and when an amount of residual energy of the auxiliary power source after completing the uncompleted operation exceeds a predetermined threshold value, performs a data verify operation for a predetermined area in the memory device and stores a result of the data verify operation in the memory device.

Abstract: In training a target model initialized by borrowing the structure and parameters of a pre-trained source model, the present disclosure provides a transfer learning apparatus and method capable of improving the performance of the target model by fine-tuning the target model using sample-based regularization that increases the similarity between features extracted from training samples belonging to the same class.

Abstract: Proposed are a spacer and a method of manufacturing the spacer. The spacer includes a body portion configured as a single structure and formed of a shape memory material, the body portion supporting teeth at both sides of a tooth loss space. Furthermore, the body portion includes a first grip portion surrounding a part around a tooth disposed at a first side with respect to the tooth loss space, a second grip portion surrounding a part around a tooth disposed at a second side with respect to the tooth loss space, and a bridge connecting the first grip portion and the second grip portion to each other. Furthermore, the first grip portion and the second grip portion have curved shapes open toward directions opposite to each other. Furthermore, the method includes a data obtaining process, a data processing process, and a laser cutting process.

Abstract: An electronic device package is disclosed. The electronic device package includes a board on which an electronic device is mounted, a molded portion formed to cover the electronic device on the board, and a conductive layer disposed on a surface of the molded portion and extended in a trench formed on the board.

Abstract: A secondary battery includes: a cylindrical can; an electrode assembly in the cylindrical can; and a cap assembly sealing the electrode assembly by closing the cylindrical can. The electrode assembly includes: a positive electrode plate having a winding leading edge, an inner surface, and an outer surface; a first separator covering the inner surface of the positive electrode plate; a second separator covering the outer surface of the positive electrode plate; and a negative electrode plate on the first separator. The first and second separators have a positive electrode protection region provided in a region corresponding to the winding leading edge of the positive electrode plate.

Abstract: Various embodiments generally relate to a method for forming a graphene barrier layer for a semiconductor device, and more particularly, to a method of forming a barrier thin film including a graphene layer capable of reducing the contact resistance of a metal interconnect. A method for forming a graphene barrier layer according to an embodiment includes: loading a substrate, which has a titanium-containing layer formed thereon, in a chamber of a substrate processing system, the chamber having a processing space formed therein; inducing nucleation on the titanium-containing layer by supplying a first reactant gas including a unsaturated hydrocarbon into the chamber; and forming a graphene layer on the titanium-containing layer by supplying a second reactant gas including a saturated hydrocarbon into the chamber.

Abstract: A negative transconductance device is disclosed. The negative transconductance device includes a first transistor having a P-type semiconductor channel, a second transistor having an N-type semiconductor channel, and a third transistor having an ambipolar semiconductor channel and positioned between the first and second transistors. A first drain electrode of the first transistor is electrically connected to a third source electrode of the third transistor, and a drain electrode of the third transistor is electrically connected to a second source electrode of the second transistor.

Abstract: The present invention provides a method for producing high-purity 5-methyl-1H-tetrazole in high yield.

Abstract: Provided are an ultra-low viscosity ethylene-butene copolymer which is a copolymer derived from ethylene and butene, wherein the ethylene-butene copolymer has a density of 0.874 to 0.900 g/cm3 and a melting point of 63 to 90° C., and a composition for a hot-melt adhesive including the same. The ethylene-butene copolymer according to the present disclosure may be rapidly melted at a certain melting point or higher and may provide a low processing temperature with a significantly low viscosity. In addition, the composition for a hot-melt adhesive according to the present disclosure includes the ethylene-butene copolymer, thereby having excellent thermal resistance with high shear adhesion failure temperature and peel adhesion failure temperature and securing both excellent cohesiveness and adhesive strength.

Abstract: A capacitor component includes: a body including a dielectric layer and an internal electrode layer; and an external electrode disposed on the body, and connected to the internal electrode layer. A surface color of the body is R?30, G?30, B?40 based on R/G/B, and a dielectric constant of the dielectric layer is 2000 or more and 4000 or less.

Abstract: A system and method for preventing hacking of blockchain is proposed.

Abstract: A fingerprint recognition module according to an embodiment includes a substrate; a conductive pattern portion disposed on the substrate; a protective layer partially disposed on the substrate and the conductive pattern portion; a first connection portion disposed on a conductive pattern portion exposed through a first open region of the protective layer; and a first chip disposed on the first connection portion; wherein the first connection portion includes an anisotropic conductive adhesive disposed on the conductive pattern portion exposed through the first open region and having a closed loop shape and including conductive particles.