Abstract: An apparatus for distance measurement using ultrasonic waves may include: a memory configured to store an applied voltage profile that indicate voltages to be applied to a transducer at a plurality of different operational frequencies of transducer, a transducer including a transmitter configured to generate ultrasonic waves with a frequency modulated waveform, and a receiver configured to receive an echo signal reflected back from a measurement object; and a processor configured to control the transducer based on the applied voltage profile, and measure a distance to the measurement object based on the echo signal.

Abstract: An organic light emitting device including a first electrode, a second electrode, and a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1, a compound of Chemical Formula 2 and a compound of Chemical Formula 3.

Abstract: Disclosed are a self-generating pressure-sensitive light-emitting device and a method of manufacturing the same. The self-generating pressure-sensitive light-emitting device includes an electrochemical light-emitting device in which a first electrode, a light-emitting layer and a second electrode are sequentially formed; and a triboelectric self-generating device formed on the second electrode and configured to share the second electrode of the electrochemical light-emitting device, wherein the electrochemical light-emitting device and the triboelectric self-generating device share the second electrode and thus the electrochemical light-emitting device is driven due to a potential difference generated from the triboelectric self-generating device.

Abstract: The present exemplary embodiments relate to a positive electrode active material, its manufacturing method, and a lithium secondary battery including the same. The positive electrode active material according to an exemplary embodiment is a metal oxide particle including: a metal oxide particle comprising a central portion and a surface portion located on the surface of the central portion, wherein, the metal oxide particle includes nickel, cobalt, manganese, and doping elements and is composed of a single particle, and the metal oxide particle includes a crystal phase of layered structure belonging to the R-3m space group on the surface, and an average grain size is 1550 ? or more.

Abstract: The present disclosure relates to a sulfide-based solid electrolyte having a new composition and a new crystal structure.

Abstract: A memory package includes a printed circuit board, a first memory device that is stacked on the printed circuit board, and a second memory device stacked on the first memory device. The first memory device includes a first one-time programmable (OTP) block, the second memory device includes a second OTP block different from the first OTP block, and a horizontal distance from one side of the first memory device to the first OTP block is different from a horizontal distance from one side of the second memory device to the second OTP block.

Abstract: A wheel for reducing a resonance noise in a vehicle may include a cylindrical-shaped rim on which a tire is mounted, and waveguides mounted on the rim, disposed in a cavity which is a space between the rim and the tire, having a ‘U’-shaped internal passage through which a sound wave generated in the cavity enters, and configured to reflect the sound wave entering the internal passage to generate a sound wave having an inverse phase, wherein a center portion of the internal passage extends in an axial direction of the rim, and first and second end portions of the internal passage are connected to a center portion of the internal passage to allow the sound wave to propagate and extend in a circumferential direction of the rim.

Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.

Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.

Abstract: In an assembly system of an aircraft including a fuselage and a wing, the aircraft assembly system may include: a jig unit coupled to the wing to move integrally with the wing; a transfer unit connected to the jig unit and transferring the wing toward the fuselage; a position adjusting unit detachably connected to the jig unit and adjusting a position of the jig unit; and a measuring unit configured for measuring positions of the fuselage and the wing, wherein the fuselage may be relatively fixed to the movement of the wing, wherein the measuring unit may be configured to set a fuselage coordinate system and a wing coordinate system for the fuselage and the wing, respectively, wherein the position adjusting unit may be configured to move the jig unit so that the wing coordinate system coincides with the fuselage coordinate system.

Abstract: An object of the present invention is to provide a material for organic EL elements, the material being excellent in hole injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability. Another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the aforementioned material with various materials for organic EL elements, the materials being excellent in hole/electron injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability, such that the properties of the individual materials can be effectively exhibited.

Abstract: The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.

Abstract: The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.

Abstract: An electronic device is provided. The electronic device includes an outer housing that comprises a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding a space between the first surface and the second surface, a display adapted to expose at least a portion of the display through the first surface of the outer housing, a PCB arranged between the second surface and the display in an interior of the outer housing, a communication circuit arranged on or over the PCB, a first conductive structure formed of at least one of the first surface or at least a portion of the side surface is electrically connected to the communication circuit, and a second conductive structure formed of the portion of the display electrically connected to the first conductive structure.

Abstract: An electronic device is provided. The electronic device includes an outer housing that comprises a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding a space between the first surface and the second surface, a display adapted to expose at least a portion of the display through the first surface of the outer housing, a PCB arranged between the second surface and the display in an interior of the outer housing, a communication circuit arranged on or over the PCB, a first conductive structure formed of at least one of the first surface or at least a portion of the side surface is electrically connected to the communication circuit, and a second conductive structure formed of the portion of the display electrically connected to the first conductive structure.

Abstract: Disclosed is a computing system which includes a storage device and a host. The storage device may include a nonvolatile memory, and the host may control the storage device based on a physical address of the nonvolatile memory and may send an asynchronous event request command to the storage device. The storage device may monitor the nonvolatile memory and may send an asynchronous event request corresponding to the asynchronous event request command to the host based on the monitoring result. The asynchronous event request may include requesting another command from the host based on the monitoring result. In some aspects, the host may send an erase command for erasing to erase a selected memory block of the nonvolatile memory to the storage device. In response, the storage device may send an erase pass response or an erase delay violation response to the host in response to the erase command.

Abstract: An electronic device is provided. The electronic device includes an outer housing that comprises a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding a space between the first surface and the second surface, a display adapted to expose at least a portion of the display through the first surface of the outer housing, a PCB arranged between the second surface and the display in an interior of the outer housing, a communication circuit arranged on or over the PCB, a first conductive structure formed of at least one of the first surface or at least a portion of the side surface is electrically connected to the communication circuit, and a second conductive structure formed of the portion of the display electrically connected to the first conductive structure.

Abstract: An electronic device is provided. The electronic device includes an outer housing that comprises a first surface facing a first direction, a second surface facing a second direction opposite to the first direction, and a side surface surrounding a space between the first surface and the second surface, a display adapted to expose at least a portion of the display through the first surface of the outer housing, a PCB arranged between the second surface and the display in an interior of the outer housing, a communication circuit arranged on or over the PCB, a first conductive structure formed of at least one of the first surface or at least a portion of the side surface is electrically connected to the communication circuit, and a second conductive structure formed of the portion of the display electrically connected to the first conductive structure.

Abstract: The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.

Abstract: The present invention provides a molten-salt electrolytic refining apparatus for refining a raw-material alloy containing indium using a molten-salt electrolytic refining method. The molten-salt electrolytic refining apparatus includes a reaction crucible provided in a reaction container so as to be filled with a molten-salt electrolytic solution, an anode and a cathode immersed in the molten-salt electrolytic solution, an anode crucible in which a liquid raw-material alloy is contained, a cathode crucible in which at least one raw-material metal included in the raw-material alloy is recovered in a liquid phase, and a heater provided so that the temperature of the molten-salt electrolytic solution is adjusted to be equal to or greater than the melting temperature of the raw-material alloy. The present invention also provides a molten-salt electrolytic refining method which includes recovering indium (In) from an indium-tin (In—Sn) alloy using a molten-salt electrolytic solution containing fluoride.