Abstract: An optical device includes a multilayered GaAs structure including a plurality of sublayers and an optical structure layer on the multilayered GaAs structure, the optical structure layer including a Group III-V compound semiconductor material. The optical structure layer may be, for example, a light-emitting layer having a multi-quantum well structure.

Abstract: A washing machine including a tub disposed inside a main body, a drainage pump configured to cause the received water inside the tub to flow to an outside of the washing machine through a drainage passage, a first filter, arrangeable along the drainage passage, to filter out foreign matter equal to or greater than predetermined size from the water, and a second filter, arrangeable along the drainage passage, to filter out foreign matter smaller than the predetermined size from the water. The drainage passage includes a first connecting hose to guide the water to flow from the tub to the first filter, a second connecting hose to guide the water to flow from the first filter to the second filter, and a drainage hose to guide the water to be discharged from the second filter to the outside of the washing machine.

Abstract: A display device may include a pixel disposed in a display area. The pixel may include first and second electrodes; a light emitting element disposed between the first and second electrodes; a first insulating pattern disposed on the light emitting element such that first and second ends of the light emitting element are exposed; a second insulating pattern disposed on the first insulating pattern such that ends of the first insulating pattern are exposed; a third insulating pattern disposed on the second insulating pattern and overlapping ends of the second insulating pattern; a first contact electrode disposed on the first end of the light emitting element, and electrically connecting the first end of the light emitting element to the first electrode; and a second contact electrode disposed on the second end of the light emitting element and electrically connecting the second end to the second electrode.

Abstract: A display device includes a display panel including a substrate and a base film positioned on one surface of the display panel. The base film includes a first layer and a second layer overlapping each other, and a metal layer positioned between the first layer and the second layer. A modulus of each of the first layer and the second layer is 1 GPa to 10 GPa.

Abstract: A semiconductor device is disclosed. The semiconductor device includes a via passivation layer disposed on an inactive surface of a substrate, a through-electrode vertically penetrating the substrate and the via passivation layer, a concave portion formed in the top surface of the via passivation layer and disposed adjacent to the through-electrode, and a via protective layer coplanar with the via passivation layer and the through-electrode and to fill the concave portion. In a horizontal cross-sectional view, the via protective layer has a band shape surrounding the through-electrode.

Abstract: An apparatus for estimating a core body temperature of an object is provided. The apparatus may include a heat flow sensor configured to measure a first heat flux from an object, a first temperature sensor positioned under a thermal conducting material and configured to measure a surface temperature of the object, a second temperature sensor positioned above the thermal conducting material and configured to measure a surface temperature of the thermal conducting material, and a processor configured to obtain a second heat flux by calibrating the first heat flux based on the surface temperature of the object and the surface temperature of the thermal conducting material, and configured to estimate a core body temperature of the object based on the obtained second heat flux and the surface temperature of the object.

Abstract: A display apparatus includes a display area including pixels on a substrate, a pad portion on the substrate in a non-display area outside the display area, and including a conductive line, a first dummy line around the conductive line, and a first anti-fuse and a second anti-fuse adjacent to the conductive line and spaced apart from each other in a lengthwise direction of the conductive line, the first anti-fuse and the second anti-fuse each including a first electrode electrically connected to a portion of the conductive line, and a second electrode over the first electrode with a first insulating layer therebetween, and electrically connected to a portion of the first dummy line, and a circuit portion overlapping, and electrically connected to, the pad portion.

Abstract: An electronic device may include a PPG sensor including a light emitter that applies a current in a specified range and emits a light signal corresponding to the current and a light detector that amplifies a received light signal by applying one of a plurality of gain values, a memory that stores a plurality of sets of PPG models corresponding to the plurality of gain values and including a current value and PPG level data corresponding to the current value, and at least one processor electrically connected to the PPG sensor and the memory.

Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, communication circuit, and a processor operatively connected to the communication circuit. The processor may be configured to transmit capability information of the electronic device to a base station, transmit channel state information measured based on a reference signal received through the plurality of antennas from the base station, receive antenna control information determined based on at least one of the capability information and the channel state information from the base station, and drive the plurality of antennas by selecting one of a polarization multiple-input multiple-output (MIMO) mode and a spatial MIMO mode based on the antenna control information.

Abstract: A frame module includes a frame configured to enclose a portion of a user, and at least one reinforcement belt of which both end portions are connected to both sides of the frame, thereby restricting a splaying level of the frame in a predetermined direction.

Abstract: An embodiment of the present disclosure provides an adjustable couch that can be mounted on a medical couch, the adjustable couch comprising: a first couch provided with a fixing means to be fixed to the medical couch; and a second couch disposed on the first couch and provided with a rotating-coupling means to be coupled rotatably about a first axis perpendicular to an upper surface of the first couch.

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an apparatus including the organic light-emitting device. The organometallic compound may be represented by the formula M11 M12 (L11)n11(L12)n12, wherein M11 and M12 are each independently selected from a Period 1 transition metal, a Period 2 transition metal, and a Period 3 transition metal; L11 is a ligand represented by Formula 1-1 shown below, L12 is selected from a monodentate ligand and a bidentate ligand, n11 is 1, and n12 is selected from 0, 1, 2, 3, and 4.

Abstract: A method for detecting a stochastic weak point of a layout pattern of a semiconductor integrated circuit includes: forming a semiconductor integrated circuit by exposing a wafer which is masked by a layout pattern and coated with a photoresist to light, and etching the circuit according to the layout pattern, calculating line edge roughness (LER) of the circuit, and calculating a variability constant for fitting the line edge roughness to a normal distribution from a polymer concentration value of the photoresist. The polymer concentration value is calculated from modeling the layout pattern, a total value of intensity of light reaching the photoresist, and an intensity value of light reaching one point of the photoresist. The method further includes calculating a probability distribution of the polymer concentration value of the layout pattern based on the variability constant, and calculating a stochastic weak point of the layout pattern from the probability distribution.

Abstract: A device and method of operating the device for automatically creating photos or videos of a certain moment are provided. The method includes obtaining a plurality of image frames sequentially captured through a camera for a preset time interval; detecting at least one image frame among the plurality of image frames in which a main object corresponding to a preset main object or an action of the main object corresponding to a preset action is recognized; determining a type of composition of the at least one image frame; cropping a region including the main object from the at least one image frame based on placement of objects in the at least one image frame and the determined type of composition; and creating the photo using the cropped region.

Abstract: Disclosed is a 5G (5th generation) or pre-5G communication system for supporting a data transmission rate higher than that of a 4G (4th generation) communication system such as long-term evolution (LTE). A transmission device comprises: a first amplification unit having a common source structure, including cross coupled capacitors, and amplifying an input signal; a second amplification unit, having a common gate structure, for amplifying a signal output from the first amplification unit; and a first removal unit which is connected to output terminals of the first amplification unit and input terminals of the second amplification unit and which removes at least one portion of second harmonics.

Abstract: A display device includes a first base substrate, a second base substrate disposed on the first base substrate, a connecting member disposed between the first base substrate and the second base substrate, a pad disposed on the first base substrate, and a first protruding pattern disposed between the connecting member and the pad. A thickness of the first protruding pattern is smaller than a thickness of the connecting member.

Abstract: Provided are a method and apparatus, which, during video encoding and decoding processes, obtain chroma intra prediction mode information about a current chroma block, when the chroma intra prediction mode information indicates a direct mode (DM), determine a luma block including a luma sample corresponding to a chroma sample at a lower-right location with respect to a center of the current chroma block, determine a chroma intra prediction mode of the current chroma block based on an intra prediction mode of the determined luma block, and perform intra prediction on the current chroma block, based on the determined chroma intra prediction mode.

Abstract: A viewing angle adjusting member and an electronic device including the same are provided. The viewing angle adjusting member includes a first transparent film including a first transparent electrode layer, a second transparent film including a second transparent electrode layer, and a blocking material provided between the first transparent film and the second transparent film and containing nanoparticles configured to block light. The viewing angle adjusting member may be configured to adjust a position of the nanoparticles according to an electrical signal applied to at least one of the first transparent electrode layer and the second transparent electrode layer.

Abstract: A method of cache management includes: acquiring attributes of at least one file currently opened; extracting a first attribute subset related to a predetermined analysis target from among the attributes of the at least one file; determining region numbers of corresponding universal flash storage (UFS) device storage regions to be cached, based on the first attribute subset; and caching data of the corresponding UFS device storage regions to be cached into a cache memory, based on the region numbers.

Abstract: Provided is an optical modulator including a substrate, and a plurality of meta units provided on the substrate and spaced apart from each other, wherein at least one of the plurality of meta units includes a metal layer provided on the substrate, a dielectric layer provided an upper surface and side surfaces of the metal layer, and an antenna provided on an upper surface of the dielectric layer, the antenna including phase change material, wherein a refractive index of the phase change material changes based on a voltage applied to the metal layer to modulate incident light.

Abstract: A temperature sensor includes a first electrode, second electrode, and a pyroelectric layer between the first electrode and the second electrode. The pyroelectric layer includes a ferroelectric polymer and an ionogel.

Abstract: A photosensitive composition including a quantum dot dispersion, a reactive compound having at least two thiol groups, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes a carboxylic acid group-containing polymer and a quantum dot dispersed in the carboxylic acid group containing polymer, and wherein the carboxylic acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic moiety and not having a carboxylic acid group.

Abstract: Provided is a diagnosis system for anterior eye diseases. An image obtainer obtains an anterior eye image of an image obtainer configured to obtain an anterior eye image of a subject. A characteristic extractor extracts characteristic information of the obtained anterior eye image on the basis of a machine-learning model. A disease analyzer determines whether or not an anterior eye of the subject has a disease and classifying a disease class according to the extracted characteristic information.

Abstract: A method of manufacturing a semiconductor device includes selecting a diffraction based focus (DBF) mark that is unaffected by a pattern of a lower layer; manufacturing a mask including a mark pattern for forming the DBF mark; forming the DBF mark in a cell region of a wafer by using the mask; measuring the DBF mark and monitoring defocus; correcting the defocus on the basis of a result of the monitoring; and forming a pattern in the cell region of the wafer, after correcting the defocus.

Abstract: An apparatus for estimating bio-information may include: a processor configured to measure a current time interval between a plurality of element waveforms of the pulse wave signal, determine whether a current measurement posture of the user corresponds to a reference posture based on the current time interval of the plurality of element waveforms, and estimate the bio-information based on a determination of whether the current measurement posture corresponds to the reference posture.

Abstract: An ultrasound imaging apparatus includes: a probe configured to output ultrasound signals to an object and detect echo signals reflected from the object; a display; and at least one processor configured to generate a first ultrasound image based on the echo signals, detect at least one object of interest, each corresponding to a fetus's finger or toe in the first ultrasound image, and when the at least one object of interest is detected, place at least one arrow indicator outside a vicinity of a region of interest corresponding to the detected at least one object of interest, and orientate the at least one arrow indicator toward the region of interest.

Abstract: A graphene manufacturing apparatus includes a reaction chamber a substrate supporter configured to structurally support a substrate inside the reaction chamber; a plasma generator configured to generate a plasma inside the reaction chamber; a first gas supply configured to supply an inert gas into the reaction chamber at a first height from an upper surface of the substrate supporter in a height direction of the reaction chamber; a second gas supply configured to supply a carbon source into the reaction chamber at a second height from the upper surface of the substrate supporter in the height direction of the reaction chamber; and a third gas supply configured to supply a reducing gas into the reaction chamber, wherein the first to third gas supply units are disposed at different heights at a third height from the upper surface of the substrate supporter in the height direction of the reaction chamber.

Abstract: The disclosure discloses an electronic device including a flexible display having an expandable display area.

Abstract: A structured light projectors includes an illuminator configured to emit illumination light, a pattern mask configured to project structured light by partially transmitting the illumination light, and a lens configured to project the structured light, wherein the pattern mask includes a first lens distortion compensation region including a plurality of opaque first light shielding patterns having a first pattern width, respectively, and a second lens distortion compensation region surrounding the first lens distortion compensation region, the second lens distortion compensation region including a plurality of opaque second light shielding patterns having a second pattern width, respectively, wherein the second pattern width is less than the first pattern width.

Abstract: An apparatus configured to reduce an offset of a Hall sensor includes a voltage-current conversion circuit and a current mirror circuit. The voltage-current conversion circuit is configured to generate a current configured to decrease when a voltage of an input terminal to which a bias current of a Hall sensor is input increases and increase when the voltage of the input terminal decreases. The current mirror circuit has a current mirror structure configured to feedback the bias current based on the current generated by the voltage-current conversion circuit.

Abstract: A heat exchanger and an air conditioner including the same. The heat exchanger includes a plurality of heat transfer tubes formed in a flat shape and configured to allow a refrigerant to flow in a vertical direction therein. The heat transfer tube includes a gas refrigerant region including one end connected to a refrigerant inlet port and another end disposed above the refrigerant inlet port; a two-phase refrigerant region including one end connected to the other end of the gas refrigerant region and another end disposed below a refrigerant outlet port; and a liquid refrigerant region including one end connected to the other end of the two-phase refrigerant region and another end connected to the refrigerant outlet port.

Abstract: Provided is a method of identifying a touch type of a user touch input with respect to an electronic device, the method including: obtaining touch data from a touch input received from a user; determining a touch recognition model set consisting of touch recognition models to be used to identify a touch type of the touch input of the user from among a plurality of touch recognition models corresponding to a plurality of partial time periods included in a time in which the touch input is maintained; obtaining touch type probability values with respect to the touch input of the user by applying the touch data to the touch recognition models included in the touch recognition model set; and identifying a touch type of the touch input, based on the obtained touch type probability values.

Abstract: A method of performing an operation in a neural network apparatus may include acquiring operation groups each comprising at least one input feature map and at least one kernel, and tag information corresponding to each of the operation groups, determining an operating unit in an idle state from among operating units, performing, at the operating unit in the idle state, a convolution operation between an input feature map and a kernel included in a operation group from among the operation groups to create an intermediate feature map, determining, based on tag information corresponding to the operation group, a post-processing unit from among post-processing units, and creating, at the post-processing unit, an output feature map using the intermediate feature map.

Abstract: An operating method of a storage device includes detecting whether a reclaim event has occurred on a source memory area including a plurality of memory areas, setting a reclaim priority value to each of the plurality of memory areas, and performing a reclaim operation on the source memory area according to the reclaim priority value of each of the plurality of memory areas. The reclaim operation moves data stored in the source memory area to a destination memory area.

Abstract: A touch detection module, includes: a plurality of driving electrodes arranged side by side; a plurality of sensing electrodes staggered with respect to the driving electrodes; and a touch driving circuit configured to supply touch driving signals to the plurality of driving electrodes and to detect touch detection signals through the plurality of sensing electrodes to identify touch position coordinates, wherein the touch driving circuit is configured: to vary frequency modulation parameter set values in response to a change in a frequency of reference clocks, and to generate and supply a frequency of the touch driving signals by using the reference clocks and a varied frequency modulation parameter set value.

Abstract: A storage unit is disclosed. The storage unit may include storage for a component codeword. The component codeword may be stored in a block in the storage. The block may also store a block codeword. An interface may receive a read request for a chunk of data from a host and may send the chunk of data to the host. A circuit may read the component codeword from the block in the storage. An error correcting code (ECC) decoder may determine the chunk of data based at least in part on the component codeword.

Abstract: Provided is a display device comprising a plurality of display modules and a base module. The base module includes a transmitter configured to transmit a plurality of image signals respectively corresponding to each of the plurality of display modules. A first display module is coupled to the base module to receive the image signals and to transmit at least a subset of the image signals to additional display modules, such as a second display module which is coupled to the first display module to receive the at least a subset of the plurality of image signals from the first display module. The plurality of display modules may be thereby coupled with each other to thus receive and further transmit the image signals to and from other display modules, thereby improving convenience in the manufacture, inspection, and repair of the display device.

Abstract: A data backup method of a storage device which includes a storage controller, a buffer memory, and a plurality of nonvolatile memory devices, the method including: detecting a power-off event of an external power provided to the storage device; deactivating a host interface of the storage controller in response to the detection of the power-off event; moving data stored in the buffer memory to a static random access memory (SRAM) in the storage controller; blocking or deactivating a power of the buffer memory; setting an interleaving mode of the plurality of nonvolatile memory devices to a minimum power mode; and programming the data moved to the SRAM to at least one of the plurality of nonvolatile memory devices.

Abstract: A display apparatus includes: a display panel including a main display area; a first auxiliary display area connected to a first edge of the main display area; a second auxiliary display area connected to a second edge of the main display area, the second edge crossing the first edge; and a corner display area connecting the first auxiliary display area to the second auxiliary display area; and a cover window disposed on the display panel, where a plurality of grooves which is concave in a thickness direction of the cover window is defined in the cover window to correspond to the corner display area.

Abstract: A semiconductor device comprising a gate electrode on a substrate, a source/drain pattern on the substrate on a side of the gate electrode, and a gate contact plug on the gate electrode are disclosed. The gate contact plug may include a first gate contact segment, and a second gate contact segment that extends in a vertical direction from a top surface of the first gate contact segment. An upper width of the first gate contact segment may be greater than a lower width of the second gate contact segment.

Abstract: An electronic device is disclosed, including: a first housing, a second housing, a folding housing that pivotably connects the first housing and second housing, a flexible display spanning the first, second and folding housings, a printed circuit board (PCB), a first camera module at least partly visible through a surface of the second housing, a first magnet disposed in the first housing, a second magnet disposed in the second housing, and a hall sensor disposed on the PCB, the hall sensor configured to detect magnetic flux caused by motion of the first and/or second magnet in folding and unfolding of the electronic device so as facilitate determination of a configuration state of the electronic device.

Abstract: Disclosed are a positive electrode for a lithium secondary battery, a winding element for a lithium secondary battery, and a lithium secondary battery, wherein the positive electrode includes a positive active material and a mixing binder including a first binder, a second binder, and a third binder, the first binder includes at least one selected from copolymers including polyvinylidene fluoride, acid-modified polyvinylidene fluoride, and acid-modified polyvinylidene fluoride, and the mixing binder includes the first binder at a proportion of 30 wt % to 60 wt % relative to the total weight of the mixing binder, and has a tensile modulus of 200 MPa to 600 MPa.

Abstract: A storage device with improved security performance is provided. The storage device comprises a first non-volatile memory storing a firmware image, a second non-volatile memory storing an emergency image, and a storage controller controlling the first and second non-volatile memories, wherein the storage controller checks an integrity of the firmware image received from the first non-volatile memory, loads and executes the emergency image from the second non-volatile memory when the integrity check of the firmware image fails, receives a recover image from an external device based on the emergency image, and provides the recover image to the first non-volatile memory.

Abstract: According to various embodiments, an electronic device includes: a housing including a conductive part; an antenna module, including a substrate including a first substrate surface, a second substrate surface facing a direction opposite a direction of the first substrate surface, and a substrate side surrounding a space between the first substrate surface and the second substrate surface, at least one antenna element disposed in the substrate, wireless communication circuitry disposed in the substrate and configured to transmit and/or receive a radio signal in the direction toward which the first substrate surface is directed through the at least one antenna element, a protection member disposed on the second substrate surface, and a conductive shield layer disposed on at least an external surface of the protection member, as an antenna module disposed in an internal space of the housing; a conductive member disposed in at least a part of the conductive part and having at least a partial area thereof facing a

Abstract: A cover glass printing pad, a method of manufacturing the cover glass and the cover glass are provided. The cover glass printing pad includes a jig portion, a body portion in which a first surface contacts the jig portion and at least a part of a second surface is parallel to the first surface and a pad portion including an outer frame portion disposed on at least one side of the body portion and protruding in a first direction perpendicular to the second surface.

Abstract: A display module is provided that includes a substrate and a molding part. The substrate includes a first surface disposed with a plurality of LEDs, and a second surface, opposite of the first surface, that is disposed with a plurality of chips connected to the plurality of LEDs and further disposed with a coupling body. The molding part covers the first surface and the plurality of LEDs, and has a shape corresponding to a shape of the plurality of LEDs.

Abstract: An electronic device is provided. An electronic device includes at least one antenna module, a first communication circuit configured to provide first communication via the at least one antenna module, a plurality of temperature sensor, at least one processor operationally connected to the first communication circuit and the plurality of temperature sensors, and a memory.

Abstract: A capacitor component includes a body having first surface and second surfaces opposing each other and including through-holes penetrating through the first surface and the second surface, a first electrode covering an inner wall of each of the plurality of through-holes, a first common electrode covering the first surface and connected to the first electrode, a dielectric layer surrounded by the first electrode in the through-hole, a second electrode surrounded by the dielectric layer in the through-hole, a second common electrode layer covering the second surface and connected to the second electrode, a first external electrode disposed on at least one of a plurality of side surfaces of the body and connected to the first common electrode layer, and a second external electrode disposed on at least one of the plurality of side surfaces of the body and connected to the second common electrode layer.

Abstract: Disclosed is an electronic device configured to generate depth information. The electronic device includes: a memory storing one or more instructions and image data; and at least one processing circuit configured to generate the depth information on the image data by executing the one or more instructions, wherein the at least one processing circuit is further configured to obtain luminance data of the image data, generate absolute depth data for the luminance data by using a first artificial neural network configured to extract disparity features, and generate the depth information based on the absolute depth data.

Abstract: An ultrasound apparatus includes: a first display; a second display including a touch panel receiving a user input; a memory storing one or more instructions; and a processor. The processor is configured to execute the one or more instructions to: obtain a first raw data and a first TGC information corresponding to the first raw data from a storage medium; obtain a first ultrasound image by applying the first TGC information to the first raw data; control the first display to display the first ultrasound image; control the second display to display the first TGC information and receive a user input for modifying the first TGC information to a second TGC information; update the first ultrasound image by applying the second TGC information to the first raw data; and control the first display to display the updated first ultrasound image.