Abstract: The present invention relates to a negative electrode active material including a silicon-based composite and a carbon-based material, wherein the silicon-based composite includes SiOx (0?x?2) including pores, a polymer disposed in the pores, and a metal compound disposed on a surface of the SiOx (0?x?2) or on the surface and inside of the SiOx (0?x?2), wherein the metal compound is a compound including at least one element selected from the group consisting of lithium (Li), magnesium (Mg), calcium (Ca), and aluminum (Al), a method of preparing the same, and a negative electrode and a lithium secondary battery which include the negative electrode active material.

Abstract: Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte solution including a lithium salt and a non-aqueous organic solvent; and a separator between the positive and the negative electrodes, the separator including a porous substrate and a coating layer positioned on at least one side of the porous substrate. The negative active material includes a Si-based material; the non-aqueous organic solvent includes cyclic carbonate including ethylene carbonate, propylene carbonate, or combinations thereof, the cyclic carbonate being included in an amount of about 20 volume % to about 60 volume % based on the total amount of the non-aqueous organic solvent; and the coating layer includes a fluorine-based polymer, an inorganic compound, or combinations thereof. The rechargeable lithium battery has improved cycle-life and high temperature storage characteristics.

Abstract: A negative electrode active material which includes a core including SiOx (0<x<2), a shell disposed on the core and includes lithium silicate, and a coating layer disposed on the shell and includes carbon nanotubes. Also, a method of preparing a negative electrode active material as well as a negative electrode and a battery including the same.

Abstract: An intraoral scanner having a tomographic imaging function includes an OCT body configured to obtain an internal cross-sectional image of an oral structure; an OCT scan probe configured to irradiate the layer measurement light emitted from the OCT body onto the oral structure and transfer the reflected light to the OCT body; and a control/processing unit configured to control the OCT body, take a tomographic image of the oral structure, obtain two or more two-dimensional cross-sectional images, extract an internal crack area for the respective two-dimensional cross-sectional images, calculate cross-sectional position information of the internal crack, then arrange the position information of the internal crack obtained from the respective two-dimensional cross-sectional images in positions where the respective two-dimensional cross-sectional images have been obtained, and obtain three-dimensional shape information of the internal crack.

Abstract: An intraoral scanner having a tomographic imaging function includes an OCT body configured to obtain an internal cross-sectional image of an oral structure and detecting reflected light; an OCT scan probe configured to irradiate the layer measurement light emitted from the OCT body onto the oral structure and transfer the reflected light to the OCT body; and a control/processing unit configured to control the OCT body, take tomographic images of the oral structure at two or more positions, obtain two or more two-dimensional cross-sectional images of the oral structure, extract an abrasion or filling area for the respective two-dimensional cross-sectional images, calculate cross-sectional position information of the abrasion or filling area, then arrange the position information of the abrasion or filling area, and obtain three-dimensional shape information of the abrasion or filling area.

Abstract: A display device includes first pixels partitioned into a plurality of blocks, each of the plurality of blocks being categorized as a first block or a second block, a sensor configured to generate first sensing data for at least two of the first pixels in each of the plurality of blocks during a first period, and a sensing controller configured to generate interpolated data for the first pixels that are not sensed by the sensor by interpolating the first sensing data, for the first block, and configured to forgo interpolation of the first sensing data, for the second block. The sensor generates second sensing data for the first pixels that are not sensed by the sensor, for the second block, during a second period after the first period.

Abstract: The present invention relates to a composition for preparing an Alzheimer's disease animal model using microRNA, a non-human Alzheimer's disease animal model, and a method for screening compounds capable of treating Alzheimer's disease using the same.

Abstract: A multilayer electronic component includes: a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers; and external electrodes disposed on the body. One of the internal electrodes includes interfacial portions disposed at interfaces thereof with two of the dielectric layers, between which the one of the internal electrodes is disposed, and a central portion disposed between the interfacial portions, and one of the interfacial portions has a Mn content higher than an average Mn content of the central portion and an average Mn content of one of the dielectric layers which is in contact with the one of the interfacial portions.

Abstract: A display device comprises a first conductive layer on a substrate including gate electrodes and 1-1th and 2-1th connecting conductive patterns; a second conductive layer on the first conductive layer including source electrodes and drain electrodes and 1-2th and 2-2th connecting conductive patterns; bank patterns on the second conductive layer, extending in first and second directions intersecting each other, and surrounding subpixels; a first electrode on a first bank pattern disposed in each of the subpixels to extend in the first direction; second electrodes on second bank patterns spaced apart from each other with the first electrode being disposed between the second electrodes and extending in the first direction; light-emitting elements disposed on the first electrode and the second electrodes; a first connecting electrode disposed on the first electrode and contacting first light-emitting elements; and a second connecting electrode disposed on the second electrodes and contacting the second light-emit

Abstract: An electronic device includes a circuit board having a signal detection terminal disposed on a first surface thereof and a ground terminal disposed on a second surface thereof and extending vertically so that the first surface and the second surface face each other in a horizontal direction, a monitoring terminal connected with the signal detection terminal, and a microcontroller unit (MCU) determining whether there is submersion by monitoring a voltage at the monitoring terminal. According to the present embodiments, it is possible to prevent hypersensitivity-induced misdetection due to condensation and dew. It is also possible to stepwise respond to submersion and determine whether the monitoring circuit normally operates to precisely detect submersion.

Abstract: An autonomous parking assist apparatus includes a sensor unit configured to detect parking spaces and an object around a vehicle using a camera and a sensor, a video use determiner configured to determine whether a video photographed by the camera is available, a sensor fusion unit configured to receive a result of the determination of the video use determiner, using the video photographed by the camera as a basis, and substituting data in a section in which a video is unavailable with data detected using the sensor, a parking space selector configured to receive a selection of one of the parking spaces detected by the sensor unit, and a parking guide generator configured to generate parking guide information including a path along which the vehicle parks at the received one parking space, a steering angle, or a speed of the vehicle.

Abstract: The present invention provides an improved process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. Additional, the present invention provides novel intermediates useful for said process and processes for preparing the same.

Abstract: Provided are a recombinant antigen comprising a cell membrane permeation domain comprising a polypeptide of any one of SEQ ID NOs: 1 to 22 derived from human LRRC24 and a SARS-CoV-2 antigen or a fragment thereof, a vaccine composition comprising the recombinant antigen, a gene construct comprising a polynucleotide encoding the recombinant antigen, a recombinant vector comprising the gene construct, a method for producing the SARS-CoV-2 recombinant antigen, and a kit for preventing or treating SARS-CoV-2 infection comprising the vaccine composition and users' instruction thereof, wherein the antigen exhibited higher immunogenicity against SARS-CoV-2 the neutralizing antibody was better formed in actual animal experiments, excellent protective immunity was induced, and toxicity did not appear in the toxicity test.

Abstract: A light emitting display device can be configured so that a ramp and a bumpy pattern are provided in a first direction in which a horizontal distance between subpixels is small. As a result, the physical distance between anodes of adjacent subpixels can be increased, a normal separation between the anodes of adjacent subpixels is possible, and a mixture of colors between the adjacent subpixels depending on a viewing angle can be prevented.

Abstract: A connector device electrically connected to a circuit board includes: a body portion connected externally; a housing surrounding at least a portion of the body portion; a first terminal extending downward from the body portion and connected to a first capacitor of the circuit board; a second terminal extending downward from the body portion to be spaced apart from the first terminal and connected to a second capacitor of the circuit board; and a ferrite core through which the second terminal passes.

Abstract: Provided are a printed circuit board and a method for manufacturing the same, the printed circuit board including: an insulating member; a first pad disposed in the insulating member; a plurality of first vias respectively disposed on a lower side of the first pad in the insulating member and connected to the first pad; and a second via disposed on an upper side of the first pad in the insulating member and connected to the first pad.

Abstract: Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte solution including a lithium salt and a non-aqueous organic solvent; and a separator between the positive and the negative electrodes, the separator including a porous substrate and a coating layer positioned on at least one side of the porous substrate. The negative active material includes a Si-based material; the non-aqueous organic solvent includes cyclic carbonate including ethylene carbonate, propylene carbonate, or combinations thereof, the cyclic carbonate being included in an amount of about 20 volume % to about 60 volume % based on the total amount of the non-aqueous organic solvent; and the coating layer includes a fluorine-based polymer, an inorganic compound, or combinations thereof. The rechargeable lithium battery has improved cycle-life and high temperature storage characteristics.

Abstract: A device for producing an azo compound includes a reaction unit in which a first solution comprising a hydrazo compound and at least one type of MaXb; a negative electrode disposed to be in direct contact with the hydrazo compound inside the reaction unit; and a positive electrode disposed inside the reaction unit so as to be in contact with the solution. X is a halogen element, M is at least one selected from the group consisting of hydrogen, Li, Na, K, Mg, Ca, Mn, Fe, Ni, Cu, Ag, Zn, Sn, Zr, and Ti, or at least one selected from the group consisting of a primary ammonium ion, a secondary ammonium ion, and a tertiary ammonium ion, H is hydrogen, and a and b are each independently any one integer between 1 and 4.

Abstract: A negative electrode active material including a core containing SiOx (0?x<2) and a lithium-containing compound, and a shell disposed on the core and containing SiOx (0?x<2) and magnesium silicate.

Abstract: A method for manufacturing a semiconductor memory device comprises providing a substrate, etching a portion of the substrate that forms a trench therein, forming an element isolation film that fills the trench and defines an active area, herein the element isolation film includes a first liner that covers an inner sidewall and a bottom surface of the trench, wherein the first liner is recessed and exposes a corner portion of the substrate, doping nitrogen into the substrate, and forming a pre-gate insulating film that extends along and on the exposed corner portion of the substrate and an upper surface of the substrate. The pre-gate insulating film includes a first portion on the upper surface of the substrate, and a second portion on the corner portion of the substrate. A thickness of the first portion is less than a thickness of the second portion.