Abstract: A semiconductor device includes a semiconductor substrate having first and second regions therein, a first lower semiconductor pattern, which protrudes from the semiconductor substrate in the first region and extends in a first direction across the semiconductor substrate, and a first gate electrode, which extends across the first lower semiconductor pattern and the semiconductor substrate in a second direction. A plurality of semiconductor sheet patterns are provided, which are spaced apart from each other in a third direction to thereby define a vertical stack of semiconductor sheet patterns, on the first lower semiconductor pattern. A first gate insulating film is provided, which separates the plurality of semiconductor sheet patterns from the first gate electrode. A second lower semiconductor pattern is provided, which protrudes from the semiconductor substrate in the second region. A plurality of wire patterns are provided, which are spaced apart from each other on the second lower semiconductor pattern.

Abstract: An apparatus for reducing flow noise of an air intake system of a vehicle is provided as an assembly of a body member and a cover member. An acoustic metamaterial unit includes a chamber having a predetermined size, an inlet flow path, and an outlet flow path provided therein and is connected to a pipe of an air intake system. The apparatus advantageously reduces or removes high-frequency flow noise occurring in a turbocharger by using the acoustic metamaterial unit. The size and shape of the acoustic metamaterial unit is standardized such that the acoustic metamaterial unit is used compatibly regardless of the type of vehicles, which can make it possible to advantageously reduce costs and improve salability.

Abstract: A heat management system includes a refrigerant circulation line for circulating refrigerant so as to cool an indoor, the refrigerant circulation line comprising a compressor, a water-cooled condenser, a first expansion valve, an air-cooled condenser, a second expansion valve, an evaporator, a refrigerant heat exchanger for causing mutual heat exchange between refrigerant introduced into the second expansion valve and refrigerant discharged from the evaporator, and a first refrigerant bypass line configured such that refrigerant that has passed through the water-cooled condenser bypasses the first expansion valve and the air-cooled condenser; a heating line for heating the indoor space by circulating cooling water that exchanges heat with the refrigerant through the water-cooled condenser; and a cooling line for cooling a battery and electronic equipment components by circulating the cooling water that exchanges heat with the refrigerant or air.

Abstract: An apparatus of amplifying sound waves may include a metamaterial structure having a metamaterial inside thereof, an inlet through which air flows into the metamaterial structure, and a penetration portion formed to penetrate a portion of one side of the metamaterial structure, a membrane member coupled to the penetration portion, and a resonance member surrounding the membrane member and coupled to the metamaterial structure and including a space inside thereof and a discharge port fluidically communicating with an outside thereof and the internal space.

Abstract: A heat management system of the present invention comprises: a coolant heater for heating coolant; a first coolant pump which is connected to a coolant inlet or a coolant outlet of the coolant heater to pump the coolant and is coupled to the coolant heater; and a second coolant pump which is connected to a battery side to pump the coolant and is coupled to the coolant heater, wherein the coolant heater, the first coolant pump, and the second coolant pump are arranged in an engine room of a vehicle. Thus, a loss of coolant pressure can be reduced in a pipe which connects components constituting a coolant system of the vehicle, such that the performance of the system is improved and noise and vibration in the interior of the vehicle may be reduced.

Abstract: A heat management system includes a reservoir tank which stores a coolant and can replenish, with the coolant, a coolant line connected to the reservoir tank; a flow path transition valve which is connected to the downstream side, according to the flow direction of the coolant, of the reservoir tank and can control the flow direction of the coolant; and a coolant circulation pump which is connected to the downstream side, according to the flow direction of the coolant, of the flow path transition valve and pumps the coolant along the coolant line, wherein, through the layout structure of the reservoir tank, flow path transition valve, and coolant circulation pump, the distance between parts constituting a coolant system of a vehicle is minimized, and the overall flow of the coolant is formed in the direction of gravity, and, thereby, a pressure drop of the coolant can be reduced.

Abstract: A semiconductor device includes; an active pattern on a substrate, gate structures in which each gate structure includes a gate electrode intersecting the active pattern and a gate capping pattern on the gate electrode, a source/drain pattern disposed on the active pattern between adjacent gate structures, a lower active contact connected to the source/drain pattern, an etching stop film extending along an upper surface of the lower active contact without contacting an upper surface of the gate capping pattern, and an upper active contact connected to the lower active contact, wherein a bottom surface of the upper active contact is lower than the upper surface of the gate capping pattern.

Abstract: The present invention relates to a thermal management system and, more specifically, to a refrigerant system comprising: a compressor, a first heat exchanger, an expansion valve, a second heat exchanger, and an accumulator which are connected in sequence to form a closed loop; and a connection block which connects a heat exchange medium outlet of the expansion valve to a heat exchange medium inlet of the second heat exchanger, and connects a heat exchange medium outlet of the second heat exchanger to a heat exchange medium inlet of the accumulator. Accordingly, the distances between components constituting the refrigerant system for vehicle interior cooling and electric/electronic component cooling are reduced, and thus the refrigerant pressure loss in blocks or pipes connecting the components can be reduced, the system performance can be improved, and the assemblability of the components constituting the refrigerant system can be improved.

Abstract: A cooling device for an in-wheel motor may include: a cooling circuit configured to form a flow path of oil in an in-wheel motor; an oil tank connected to the cooling circuit, and configured to supply oil to the cooling circuit or store oil from the cooling circuit; a valve installed on a pipeline connecting the cooling circuit to the oil tank, and configured to control movement of oil according to a control signal; and a controller configured to receive a traveling condition of a vehicle and a temperature of the in-wheel motor, and transmit a control signal to control the operation of the valve and adjust the amount of oil flowing through the cooling circuit.

Abstract: A gate driver includes a first scan signal generator configured to output a logic voltage for driving of a scan transistor through a plurality of stages connected in cascade, the scan transistor performing a switching operation to transfer a data voltage to a driving transistor of a pixel, a second scan signal generator configured to output a logic voltage for driving of a sensing transistor through the plurality of stages, the sensing transistor sensing deterioration of a light emitting element of the pixel, a light emission control signal generator configured to output a logic voltage for control of a light emission control transistor of the pixel through the plurality of stages, and an initialization voltage generator driven by logic voltages received from some nodes of the first scan signal generator based on the light emission control signal generator to supply an initialization voltage to the pixel.

Abstract: An in-wheel working device including: a stator fixed to the inside of a housing, a rotor rotatably installed in the stator, a rotating part rotatably installed in the housing, and rotated with the rotor, a resolver fixing part fixed to the inside of the housing, and a resolver moving part. The resolver moving part includes a resolver rotor positioned outside the resolver fixing part and facing the resolver fixing part, and a cover part fixed to the rotating part and covering the resolver rotor.

Abstract: An in-wheel working device including: a stator fixed to the inside of a housing, a rotor rotatably installed in the stator, a rotating part rotatably installed in the housing, and rotated with the rotor, a resolver fixing part fixed to the inside of the housing, and a resolver moving part. The resolver moving part includes a resolver rotor positioned outside the resolver fixing part and facing the resolver fixing part, and a cover part fixed to the rotating part and covering the resolver rotor.

Abstract: A gate driver includes a first scan signal generator configured to output a logic voltage for driving of a scan transistor through a plurality of stages connected in cascade, the scan transistor performing a switching operation to transfer a data voltage to a driving transistor of a pixel, a second scan signal generator configured to output a logic voltage for driving of a sensing transistor through the plurality of stages, the sensing transistor sensing deterioration of a light emitting element of the pixel, a light emission control signal generator configured to output a logic voltage for control of a light emission control transistor of the pixel through the plurality of stages, and an initialization voltage generator driven by logic voltages received from some nodes of the first scan signal generator based on the light emission control signal generator to supply an initialization voltage to the pixel.

Abstract: The present disclosure relates to a method for preparing an absorbable haemostatic composition for the body and the haemostatic composition prepared thereby, and the present disclosure is for providing a method for preparing an absorbable haemostatic composition for the body and the haemostatic composition prepared thereby, wherein the haemostatic composition can be used directly on the wound site when bleeding occurs in the surgical area such as surgical operation, trauma, etc. so that hemostasis can be effectively performed, the haemostatic composition can perform wound sealing, tissue repairing promotion, wound surface tissue protection, infection prevention, etc., the haemostatic composition is contained in haemostatic products such as gauze (cotton yarn), sponge, etc. to accelerate the hemostasis speed of the bleeding site and enable rapid hemostasis to be able to shorten the hemostasis time at the same time.

Abstract: The present disclosure relates to a method for preparing an absorbable haemostatic composition for the body and the haemostatic composition prepared thereby, and the present disclosure is for providing a method for preparing an absorbable haemostatic composition for the body and the haemostatic composition prepared thereby, wherein the haemostatic composition can be used directly on the wound site when bleeding occurs in the surgical area such as surgical operation, trauma, etc. so that hemostasis can be effectively performed, the haemostatic composition can perform wound sealing, tissue repairing promotion, wound surface tissue protection, infection prevention, etc., the haemostatic composition is contained in haemostatic products such as gauze (cotton yarn), sponge, etc. to accelerate the hemostasis speed of the bleeding site and enable rapid hemostasis to be able to shorten the hemostasis time at the same time.

Abstract: A power cable failure prediction apparatus and method includes a temperature sensor configured to measure a temperature around a vehicle, a resistance measurer configured to measure a resistance of a cable connected to a drive motor of the vehicle, and a controller configured to predict in advance whether the cable is damaged by comparing the temperature around the vehicle with the resistance of the cable.

Abstract: A variable intake system for a vehicle is provided and includes an air cleaner that filters air via a filter and supplies the air to an engine. A main duct is connected to the air cleaner to supply the air, and a variable valve has a housing that is coupled and mounted to a mounting aperture of a mounting part disposed on a front end of the filter of the air cleaner. An internal passage of the housing is opened by suction pressure of the engine in the mounting part to suction external air. A projection formed on the housing of the variable valve is inserted into a projection seat formed in the mounting part, so that the variable valve is secured to the mounting part.

Abstract: A terminal block assembly for wire connection of a motor, which includes: a terminal block body; one or more bus bar supports which are formed on the terminal block body; one or more bus bar bodies which have bent shapes corresponding to outer surfaces of the bus bar supports and are rested on the terminal block body or the bus bar supports; one or more terminal connectors which are formed at one ends of the bus bar bodies and are held in contact with one or more connector terminals; and one or more coil connectors which are formed at the other ends of the bus bar bodies and are connected to one or more coils of a motor.

Abstract: A thermal management system, comprising: a primary coolant circulation system for cooling a first coolant by circulating the first coolant which is heat-exchanged with cooling water through a first water-cooled condenser; a secondary coolant circulation system for cooling a battery chiller by using a second coolant which is heat-exchanged with the first coolant of the primary coolant circulation system; and a second cooling line for cooling a battery by circulating cooling water which is heat-exchanged through the battery chiller, wherein the number of revolutions of the first condenser of the primary coolant circulation system is less than the number of revolutions of the second condenser of the secondary coolant circulation system, or the first coolant and the second coolant are heat-exchanged via the cooling water, such that the battery can be cooled efficiently during rapid charging.

Abstract: Provided are an artificial intelligence (AI) system and an application thereof, which simulate functions of a human brain, such as recognition and determination, by using a machine learning algorithm, such as deep-learning. A method of processing, by a device, a keyboard input, based on training, may include: displaying a keyboard on a screen of the device; receiving a swipe input of a user, the swipe input connecting a plurality of keys on a displayed keyboard; extracting a trajectory connecting the plurality of keys; applying, to a trained model for a keyboard input, based on the trajectory, trajectory information indicating a shape of the trajectory and a relative position of the trajectory with respect to the keyboard; and determining at least one character corresponding to the trajectory, based on a result of the applying the trajectory information.