Abstract: A cathode active material for a lithium secondary battery includes a lithium-transition metal oxide particle containing phosphorus introduced into the particle, and a coating formed on at least a portion of a surface of the lithium-transition metal oxide particle. The coating includes a phosphorus-containing compound. A content of phosphorus introduced into the lithium-transition metal oxide particle is in a range from 15 wt % to 30 wt % based on a sum of a weight of phosphorus introduced into the lithium-transition metal oxide particle and a weight of phosphorus contained in the coating.

Abstract: Provided is a method of controlling a temperature of a heater included in an aerosol generation device according to a type of cigarette. The method includes receiving temperature profiles of different types of cigarette from a user terminal; sensing a cigarette coupled to the heater after receiving the temperature profiles; identifying a type of the sensed cigarette; selecting a temperature profile corresponding to the identified type from among the temperature profiles; and controlling power supplied from a battery to the heater according to the selected temperature profile.

Abstract: The present invention provides a thermoplastic resin composition which includes: a first copolymer including a core including a conjugated diene-based polymer and a shell including an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit; and a second copolymer including an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit, wherein the first copolymer has a degree of grafting of 32 to 50%, the second copolymer has a weight-average molecular weight of 85,000 to 115,000 g/mol, and the thermoplastic resin composition includes the first copolymer at 30 wt % or less and an oligomer residue at 1.1 wt % or less. Specifically, the thermoplastic resin composition can shorten an injection molding time.

Abstract: The present disclosure relates to a method for manufacturing a polarizing plate. The method includes a step of preparing a transfer type retarder laminate which has a carrier substrate, an alignment film and a retarder layer sequentially; and a step of laminating the transfer type retarder laminate on one side of a polymeric stretched film containing a dichroic substance, where a peel force at a peeling angle of 90° between the carrier substrate and the retarder layer in the transfer type retarder laminate and a peeling rate of 300 mm/min is in a range of 0.10 N/20 mm to 0.13 N/20 mm. The polarizing plate can be used as a circularly polarizing plate or an optical compensation polarizing plate in various display devices.

Abstract: An air conditioner includes an outdoor unit, a plurality of mode change devices including at least one mode changer including a branch duct and a changing valve, and configured to receive a control signal from the outdoor unit to control an operation of the at least one mode changer. A plurality of indoor units are connected to the outdoor unit or the plurality of mode change devices. The outdoor unit may determine an operation mode to operate the plurality of mode change devices a plurality of times. Each of the plurality of indoor units may detect a temperature change of an indoor heat exchanger in response to the operation of the mode change devices, to determine the number of connected mode changers and a connectable mode changer candidate group based on the temperature change of the indoor heat exchanger.

Abstract: A method of preparing a positive electrode active material for a secondary battery includes preparing a lithium composite transition metal oxide which includes nickel, cobalt, and manganese and contains 60 mol % or more of the nickel among all metals except lithium, adding a moisture absorbent and the lithium composite transition metal oxide into an atomic layer deposition (ALD) reactor, and adding a coating metal precursor into the atomic layer deposition (ALD) reactor and forming a metal oxide coating layer on surfaces of particles of the lithium composite transition metal oxide by atomic layer deposition (ALD).

Abstract: Disclosed herein are a microorganism with excellent deacetoxycephalosporin C (DAOC) productivity and a use thereof. A mutant microorganism with improved DAOC productivity and a use thereof for producing 7-aminodeacetoxycephalosporanic acid (7-ADCA) are provided.

Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.

Abstract: The present inventive concept provides a self-healing copolymer or self-healing block copolymer, a method of preparing the same, and a film comprising the same. The self-healing copolymer is a copolymer containing three or more types of monomers such as a methacrylate-based compound as a first monomer, an acrylate-based compound as a second monomer, and] N-2-(phthalimido ethyl methacrylate) (NPEMA), phenyl methacrylate (PMA) or N-(4-hydroxyphenyl)methacrylamide (HPMMA) as a third monomer. The self-healing block copolymer is a block copolymer comprising a self-healing random copolymer containing three or more types of monomers and a styrene-based compound polymerized at the end of the self-healing random copolymer.

Abstract: Proposed is an inspection technology for inspecting a focus ring. A device and a method for inspecting the focus ring including a heat transfer member are proposed. The inspection device may include a housing configured to provide inspection space of the focus ring, with a predetermined area of an upper wall of the housing being formed of a transparent material, a hot plate provided in the housing and configured to heat treat the focus ring while the hot plate supports the focus ring, and an inspection unit configured to inspect a connection state between the focus ring and the heat transfer member by obtaining a thermal image of the focus ring after the focus ring is completely heat treated.

Abstract: Provided is a method for manufacturing a steel sheet, the method including: reheating a steel slab at a temperature of 1200° C. to 1350° C., the steel slab including, by weight %, carbon (C): 0.05% to 0.14%, silicon (Si): 0.01% to 1.0%, manganese (Mn): 1.5% to 2.5%, aluminum (Al): 0.01% to 0.1%, chromium (Cr): 0.005% to 1.0%, phosphorus (P): 0.001% to 0.05%, sulfur (S): 0.001% to 0.01%, nitrogen (N): 0.001% to 0.01%, niobium (Nb): 0.005% to 0.06%, titanium (Ti): 0.005% to 0.11%, and a balance of iron (Fe) and inevitable impurities; finish hot rolling the reheated steel slab under predetermined conditions to obtain a hot-rolled steel sheet; cooling the hot-rolled steel sheet at a cooling rate of 10° C./s to 100° C./s to a temperature of 400° C. to 500° C. after the finish hot rolling; and coiling the steel sheet at a temperature of 400° C. to 500° C. after the cooling.

Abstract: Provided is a method of controlling a temperature of a heater included in an aerosol generation device according to a type of cigarette. The method includes receiving temperature profiles of different types of cigarette from a user terminal; sensing a cigarette coupled to the heater after receiving the temperature profiles; identifying a type of the sensed cigarette; selecting a temperature profile corresponding to the identified type from among the temperature profiles; and controlling power supplied from a battery to the heater according to the selected temperature profile.

Abstract: An automated driving system of a vehicle includes a driver monitoring unit configured to perform at least one of monitoring a gaze of a driver and determining a position of a hand of the driver, an automated-driving-level switching unit configured to determine whether a transition of a driving control over the vehicle is required based on whether driving environment of the vehicle has changed during the vehicle being driven under control of the automated driving system, and determine an automated driving level to be switched based on a driver monitoring result obtained by the drive monitoring unit, and an automated driving control unit configured to control the vehicle according to the automated driving level.

Abstract: A service identifying and processing method using a wireless terminal message according to an exemplary embodiment of the present invention includes (a) receiving a wireless terminal message by a first entity which is a mobile device; and (b) expressing, by a first agent which is an information processing application program installed on the first entity, entity information of second entity based on the wireless terminal message and service confirmation information related to service provided by the second entity, through an application screen by the first agent.

Abstract: A method for manufacturing a LiDAR device is proposed. The method may include providing a LiDAR module including a laser emitting module and a laser detecting module to a target region. The method may also include adjusting, on the basis of first detecting data obtained from the laser detecting module, a relative position of a detecting optic module with respect to the laser detecting module. The method may further include adjusting, on the basis of image data obtained from at least one image sensor, a relative position of an emitting optic module with respect to the laser emitting module.

Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.

Abstract: A manufacturing method of a semiconductor device may include: forming a stack comprising first material layers and second material layers that are alternately stacked; forming an opening in the stack; forming a first seed layer in the opening; forming a first buffer layer by surface-treating the first seed layer; and forming a blocking layer by oxidizing the first seed layer through the first buffer layer.

Abstract: Proposed is a method of selectively leaching lithium (Li) and aluminum (Al) from a mixed carbonate precipitate (MCP) and, more specifically, a method of selectively leaching Li and Al from an MCP, by which a high-purity MCP can be prepared through selective leaching of Li and Al contained in an MCP used as a raw material for recovering valuable metals including nickel (Ni), cobalt (Co), and manganese (Mn).

Abstract: A display apparatus can include a substrate having a penetrating area and a separating area, the penetrating area including a substrate hole, a first buffer layer having a first-buffer lower layer, and a first-buffer upper layer, a first thin film transistor including a first semiconductor pattern, a first gate electrode, and a first source electrode and a first drain electrode, a first interlayer insulating film; a second interlayer insulating film, an opening extending through the second interlayer insulating film, the first interlayer insulating film, the first gate insulating film and the first-buffer upper layer, and a separation structure in the opening, the separation structure including a first separation layer having a same stacked structure as the first-buffer upper layer, a second separation layer having a same stacked structure as the first gate insulating film, and a third separation layer having a same stacked structure as the first gate electrode.

Abstract: In a method of manufacturing a cathode active material for a lithium secondary battery, a preliminary lithium metal oxide particle is prepared. The preliminary lithium metal oxide particle is cleaned using a boron compound cleaning solution. A cathode active material for a lithium secondary particle includes a lithium metal oxide particle where a ratio of a B+ peak intensity relative to a sum of peak intensities of Li+, B+ and LiB+ fragments by a TOF-SIMS analysis is in a range from 0.03% to 1.5%.