Abstract: A semiconductor device includes an active pattern which includes a lower pattern, and a sheet pattern that is spaced apart from the lower pattern in a first direction, a gate structure on the lower pattern that includes a gate electrode that surrounds the sheet pattern, the gate electrode extending in a second direction that is perpendicular to the first direction, and a source/drain pattern on the lower pattern and in contact with the sheet pattern. A contact surface between the sheet pattern and the source/drain pattern has a first width in the second direction, and the sheet pattern has a second width in the second direction that is greater than the first width.

Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.

Abstract: Provided are a biodegradable aliphatic-aromatic polyester copolymer having excellent hydrolysis resistance and high viscosity which has a carboxyl end group (CEG) content of 15 mg KOH/g or less, a ratio (Mz/Mn) of a z-average molecular weight (Mz) to a number average molecular weight (Mn) of 3 to 15, and a melt index (MI) of 5 g/10 min or less as measured under conditions of a temperature of 190° C. and a load of 2.16 kg in accordance with ASTM D 1238. A method of preparing a biodegradable aliphatic-aromatic polyester copolymer is provided, including adding a chain extender and an anti-hydrolysis agent to an aliphatic-aromatic polyester pre-copolymer over time, whereby a significant viscosity rise and improvement of hydrolysis resistance may be implemented simultaneously.

Abstract: A method, implemented by a computer, for determining a position of a personal mobility device (PMD) comprises: estimating a position of a PMD based on a first wireless signal; determining whether the PMD is within an intermediate area between a first area and a second area, based on an estimated position of the PMD; determining whether the PMD moves to the second area, by using both the first wireless signal and a second wireless signal; and determining position of the PMD by using any one of the first wireless signal and the second wireless signal based on a movement of the PMD to the second area.

Abstract: The present application relates to a method for producing a silica film, which includes a step of contacting a silica precursor layer formed of a silica precursor composition having a pH of 5 or less with a Lewis base, where the silica precursor composition includes a silica precursor formed from a silane compound and an acid catalyst. The present application can provide a method capable of forming a silica film having excellent resistance to a vertical load and a tangential load without going through expensive equipment or a high temperature process.

Abstract: The present invention relates to a window cover film and a flexible display panel including the same. More particularly, the present invention relates to a window cover film including a base layer and a hard coating layer, and a flexible display panel including the same. Since the window cover film of the present invention has high surface hardness, flexibility, the excellent bending properties, the window cover film may be restored to the original form without permanent deformation and/or damage of the hard coating layer and the window cover film even though a predetermined deformation is repeated.

Abstract: A display device includes: a display panel; and a window on the display panel, wherein the window includes a glass substrate having a thickness of 20 micrometers (?m) to 100 ?m, and the glass substrate contains, on a basis of an entirety of the glass substrate, more than 75 mol % and less than 85 mol % of SiO2, more than 10 mol % and less than 20 mol % of Na2O, and more than 0 mol % and less than 10 mol % of CaO, respectively.

Abstract: Disclosed are a method of manufacturing an electrode for a rechargeable lithium battery, and an electrode manufactured therefrom, and a rechargeable lithium battery including the electrode, the method of manufacturing an electrode for a rechargeable lithium battery including mixing together an electrode active material and a first ionic polymer to prepare a first slurry; mixing together the first slurry and a second ionic polymer to prepare a second slurry; mixing together the second slurry and a water-soluble binder to prepare an electrode active material layer slurry; coating the electrode active material layer slurry on a current collector, drying and compressing the electrode active material layer slurry to manufacture an electrode for a rechargeable lithium battery, wherein an amount of the first ionic polymer is about 20 to about 90 wt % based on a total amount of 100 wt % of the first ionic polymer and the second ionic polymer.

Abstract: A method of manufacturing an electrode for a rechargeable lithium battery, an electrode manufactured therefrom, and a rechargeable lithium battery including the electrode are provided. The method includes preparing an electrode active material layer slurry including an electrode active material and a polymer binder, coating the electrode active material layer slurry on a current collector and drying it while applying an electric field to form an active material layer, wherein the polymer binder includes a water-soluble binder and an ionic polymer.

Abstract: An electronic device includes a communication circuit, a speaker, and a processor. The processor is configured to identify a bitrate of a first audio bitstream received via the communication circuit from an external electronic device. The processor is configured to obtain, in response to the bitrate lower than a reference value, an audio signal by executing a bandwidth extension (BWE) for the first audio bitstream based on at least one coding parameter obtained from a second audio bitstream previously received via the communication circuit from the external electronic device before the first audio bitstream. The processor is configured to obtain, in response to the bitrate higher than or equal to the reference value, the audio signal for the first audio bitstream without executing the BWE. The processor is configured to output, based on the audio signal, audio via the speaker.

Abstract: Disclosed are semiconductor devices, electronic systems including the same, and methods of fabricating the same. The semiconductor device comprises a first gate stack structure including a first dielectric pattern and a first conductive pattern that are alternately stacked with each other, a memory channel structure including a first memory portion that penetrates the first gate stack structure, a through contact including a first through portion at a level the same as a level of the first memory portion, and a connection contact including a first connection portion at a level the same as the level of the first memory portion and the level of the first through portion. A minimum width of the first memory portion is less than a minimum width of the first through portion and a minimum width of the first connection portion.

Abstract: A semiconductor device may include a substrate including a first region and a second region and a first active pattern on the first region. The first active pattern may include a pair of first source/drain patterns and a first channel pattern therebetween, and the first channel pattern may include a plurality of first semiconductor patterns stacked on the substrate. The semiconductor device may further include a first gate electrode, which is provided on the first channel patterns, and a supporting pattern, which is provided on side surfaces of the plurality of first semiconductor patterns to connect the side surfaces of the plurality of first semiconductor patterns to each other.

Abstract: The present invention relates to a composition for preventing or treating heart failure including TREM2 protein or a fragment thereof as an active ingredient. The TREM2 protein or fragment thereof according to the present invention can be prepared as a soluble form and used as an injection, and when injected into the body, it promotes functional and structural improvement of the infarcted heart, and is effective for preventing or treating heart failure, and more specifically, it can be advantageously used for preventing or treating heart failure that appears as a sequela of myocardial infarction.

Abstract: An electrified vehicle includes: a battery; a motor drive device configured to drive a motor through an inverter, based on a voltage of the battery; and a battery controller configured to determine whether to perform output limiting on the battery, based on whether a ratio of regenerative braking is less than or equal to a preset ratio, wherein the ratio of regenerative braking is varied according to an amount of charging of the battery and an amount of discharging of the battery within a preset time interval, and adjust, based on the output limiting being performed on the battery, a derate ratio associated with a battery output limit value.

Abstract: Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.

Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.

Abstract: A three-dimensional semiconductor integrated circuit device including an inter-die interface is provided. The device includes a top die including a plurality of micro cells provided on a top surface of the top die, a plurality of micro bumps provided on a bottom surface of the top die, and wiring patterns connecting the plurality of micro cells to the plurality of micro bumps; and a bottom die including a plurality of macro cells provided on a top surface thereof, wherein the plurality of macro cells are electrically connected to the plurality of micro bumps, respectively, wherein a size of a region in which the plurality of micro cells are provided is smaller than a size of a region in which the plurality of micro bumps are provided.

Abstract: This application relates to a separator for a lithium secondary battery, a method for manufacturing a separator for a lithium secondary battery, and a lithium secondary battery including same. The separator includes a porous substrate, a heat resistant layer positioned on at least one surface of the porous substrate and including inorganic particles, and a first adhesive layer positioned on the heat resistant layer and including a first organic polymer. The heat resistant layer includes the inorganic particles of 90 wt % to 99 wt % on the basis of total weight, the thickness of the heat resistant layer is 3.5 ?m to 7 ?m, and the thickness of the first adhesive layer is 0.5 ?m to 3.0 ?m.

Abstract: A color conversion panel includes a first color filter and a second color filter that are disposed on a substrate, a low refractive index layer disposed on the substrate, the first color filter, and the second color filter, the low refractive index layer including at least one of a first blue pigment and a first blue dye, a first color conversion layer overlapping the first color filter and including a semiconductor nanocrystal, a second color conversion layer overlapping the second color filter and including a semiconductor nanocrystal, and a transmissive layer that overlaps the low refractive index layer.

Abstract: A dual set-up zoom actuator includes a first carrier having a first lens and movable along an optical axis, a second carrier having a second lens and being capable of moving anterior or posterior to the first carrier along the optical axis, a housing enclosing the first and second carriers, a first coil unit equipped to the housing and having n, which is a natural number not less than two, first coils disposed anterior or posterior along the optical axis, a second coil unit equipped to the housing at a location different than the first coil unit and having n+1 second coils disposed anterior or posterior along the optical axis, a first magnet having n+1 magnetic poles facing the first coil unit and mounted on the first carrier, and a second magnet having n magnetic poles facing the second coil unit and mounted on the second carrier.