Abstract: A portable communication device includes a touch screen display; first communication circuitry configured to support a long term evolution (LTE) communication; second communication circuitry configured to support a new radio (NR) communication; a memory storing operator information indicating an operator of a mobile network and operator policy information; and at least one processor configured to receive, from an LTE base station corresponding to the mobile network via the first communication circuitry, a system information block (SIB) and a non-access stratum (NAS) message, determine, based on the SIB and the NAS message, whether dual connectivity of the LTE communication and the NR communication is available for the portable communication device, based on the operator information, the operator policy information and determining that the dual connectivity is available for the portable communication device, select an indicator from a first indicator and a second indicator, the first indicator indicating that

Abstract: The present disclosure relates to a lamp for a vehicle, the lamp including: a light source provided in a housing; an inner lens provided in front of the light source; a cover member disposed between the inner lens and the light source and configured to move between a first position at which a front side of the light source is opened and a second position at which the front side of the light source is closed; and a drive part configured to selectively move the cover member from the first position to the second position, thereby improving marketability and design characteristics of the lamp.

Abstract: An electronic device includes circuitry configured to output a first output signal shifting to a logic high level at a first time in response to a supply voltage reaching a first voltage level, output a second output signal shifting to a logic high level at a second time occurring after the first time in response to the supply voltage reaches a second level higher than the first level; and the circuitry includes an AND gate circuit configured to output a reset signal based on the first output signal and the second output signal.

Abstract: A motor driving device which can reduce a load burden on a rotating shaft when a magnetic bearing is initially operated. When a rotor and a stator are initially aligned, the motor driving device can apply a greater current to a coil positioned farthest away from the ground among a plurality of coils than to the other coils, so as to reduce a levitation force necessary for initial alignment of the rotor and the stator.

Abstract: A Mura compensation data generation apparatus for compensating for Mura, and a Mura compensation apparatus of a display using Mura compensation data. The Mura compensation data generation apparatus includes an image representative value generation circuit configured to generate a representative value representing an entire gray of an image; a difference value extraction circuit configured to extract difference values between the representative value and gray values for a plurality of preset positions on the image; a distribution range determination circuit configured to determine a distribution range of the difference values by checking a maximum value and a minimum value of the difference values; and a Mura compensation data generation circuit configured to generate Mura compensation data having a preset number of bits corresponding to the difference values.

Abstract: Disclosed herein is a speech recognition method in a distributed network environment. A method of performing a speech recognition operation in an edge computing device includes receiving a natural language understanding (NLU) model from the cloud server, storing the received NLU model, receiving voice data spoken by a user from the client device, performing a natural language processing operation on the received voice data using the NLU model, performing speech recognition according to the natural language processing operation, and transmitting a result of the speech recognition to the client device. At least one of the edge computing device, a voice recognition device, and a server may be associated with an artificial intelligence module, a drone (an unmanned aerial vehicle (UAV)), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a 5G service, and the like.

Abstract: An airfoil, a turbine, and a gas turbine having enhanced cooling performance are provided. The airfoil including a leading edge and a trailing edge may include: a first cooling passage connected to the leading edge; a second cooling passage connected to the trailing edge; a third cooling passage formed between the first cooling passage and the second cooling passage; a plurality of partitions provided in the second cooling passage and configured to partition the second cooling passage into a plurality of portions in a height direction of the second cooling passage; and a perforated plate extending in the height direction of the second cooling passage, and coupled with the partitions to support the partitions.

Abstract: Provided are stainless steel for a separator of a polymer electrolyte membrane fuel cell, which exhibits enhanced hydrophilicity and enhanced corrosion resistance, and a method of manufacturing the same. In the stainless steel for a separator of a polymer electrolyte membrane fuel cell, which exhibits enhanced hydrophilicity and enhanced corrosion resistance, according to an embodiment of the present invention, a ratio of Cr hydroxide/Cr oxide included in a passivation film of the stainless steel ranges from 0.5 to 1.7, and the passivation film has a contact angle (?) of 70° or less. Thus, not only corrosion resistance may be enhanced by removing a non-conductive film formed on a surface of the stainless steel and forming a new conductive film thereon, but hydrophilicity may also be secured without additional surface treatment such as a separate coating or the like, and thus manufacturing costs may be reduced and productivity may be increased.

Abstract: A direct current-to-direct current (DC-DC) converter providing multiple operation modes includes a buck power stage configured to lower an input voltage, a boost power stage configured to increase the input voltage, and a multi-mode controller configured to control the buck power stage and the boost power stage, wherein the multi-mode controller is configured to generate a signal to control the buck power stage and the boost power stage according to the input voltage and an output voltage, and control the buck power stage and the boost power stage using the signal.

Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.

Abstract: An image sensor includes a substrate having a first surface and a second surface opposite to each other, a photoelectric conversion region provided in the substrate, and a polarizer provided at the first surface of the substrate. The polarizer includes a lower structure comprising at least one trench recessed from the first surface of the substrate toward the photoelectric conversion region, and a plurality of upper patterns provided on the lower structure and spaced apart from each other in a first direction parallel to the first surface.

Abstract: A substrate processing apparatus having an improved film processing uniformity is provided. The substrate processing apparatus includes a partition configured to provide a gas supply channel and a gas supply unit connected to the gas supply channel. A gas flow channel communicating with the gas supply channel is formed in the gas supply unit. A first through-hole is formed to penetrate through at least a part of the partition. A second through-hole is formed to penetrate through at least a part of the gas supply unit. The first through-hole communicates with the gas flow channel via the second through-hole. The second through-hole is arranged between a center and an edge of the gas flow channel, and is arranged spaced apart from the edge.

Abstract: An unmanned article storage box for automatically receiving an article from a drone and storing the article includes: a box main body configured to form an accommodating space for storing the article therein; an article receiver configured to slidingly be carried in and out from the box main body; a sliding unit configured to slidingly move the article receiver by having a first end that is fastened to the article receiver and a second end that is fastened to an inside of the box main body; a power unit configured to transfer a power to enable the article receiver to move along the sliding unit; and a controller configured to control the power unit.

Abstract: Provided is a refrigerator including a supporting projection to reduce noise created from a rack. The refrigerator includes an outer case, an inner case arranged inside the outer case to define a storeroom, a rack removably arranged in the storeroom, a projection protruding from a side of the inner case, on which to put a side end of the rack, and at least one side supporting projection forming a separation space between the side of the inner case and a side of the rack to prevent the side of the rack from contacting the side of the inner case, wherein the side supporting projection includes a rack contact portion arranged between the side of the rack and the side of the inner case and formed into a curved plane to reduce an area of contact with the side of the rack.

Abstract: A platform for a semi-submersible floating type offshore structure according to an exemplary embodiment of the present invention includes a main body which is installed on the sea and has an arrangement structure in which a plurality of pontoons is combined to form a plurality of polygonal shapes; and a protrusion member connecting unit which extends from each corner of the main body and connects a protrusion member outwardly protruding from the main body to the main body.

Abstract: A sensor for recognizing a fingerprint and sensing a touch is provided. The sensor includes a touch sensing area in which a first touch electrode and a second touch electrode are arranged to provide touch sensing nodes at which touch sensing is performed; and a fingerprint-touch sensing area comprising a fingerprint recognition area in which a first fingerprint electrode and a second fingerprint electrode are arranged and electrically separated from the first touch electrode and the second touch electrode, the first fingerprint electrode and the second fingerprint electrode being configured to provide fingerprint sensing nodes at which a fingerprint is recognized in a fingerprint recognition mode, wherein in the fingerprint recognition area, a portion of the first fingerprint electrode and the second fingerprint electrode is used for fingerprint recognition and, as the touch sensing nodes, the touch sensing.

Abstract: This disclosure relates to a method for preparing a polymer thin film with water repellency and oil repellency, including: thermally decomposing a thermal initiator to form a radical; reacting the radical with a monomer mixture of a specific composition to synthesize a polymer; and depositing the synthesized polymer on a substrate, and a polymer thin film with water repellency and oil repellency including a polymer resin including (meth)acrylate-based repeat units substituted with a fluorine-containing functional group and repeat units derived from a compound including at least two reactive functional groups at a specific ratio.

Abstract: Disclosed is a secondary battery pack including a plurality of cylindrical battery cells with improved cooling efficiency. The secondary battery pack includes a plurality of cylindrical battery cells having electrode terminals formed at both ends thereof; a pack case having an accommodation portion formed to accommodate the plurality of cylindrical battery cells therein and at least one exposing portion perforated from an inside to an outside thereof; at least one heat dissipation plate configured in the form of a metal plate and located at the exposing portion of the pack case so that at least a portion thereof is exposed out through the exposing portion of the pack case; and a heat transfer pad having a thermally conductive material in a solid state and interposed between the plurality of cylindrical battery cells and the heat dissipation plate.