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: 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: A vapor injection module may include an expansion valve configured to allow a condensed refrigerant to pass therethrough or expand a condensed refrigerant in accordance with an air conditioning mode, and a gas-liquid separator configured to receive the refrigerant from the expansion valve and separate the refrigerant into a gaseous refrigerant and a liquid refrigerant, in which the expansion valve has a plurality of expansion regions and performs operations of allowing the refrigerant to pass therethrough, performing first-stage expansion on the refrigerant, or performing second-stage expansion on the refrigerant in accordance with arrangement positions of the expansion regions.

Abstract: The present invention provides a vapor injection module including a first expansion means having an inlet port into which a refrigerant is introduced, and first line and second line connected to the inlet port so that the introduced refrigerant flows therethrough, the first expansion means being disposed at a connection portion between the first line and the second line and configured to control a flow direction of the refrigerant and whether to expand the refrigerant depending on an air conditioning mode, a gas-liquid separator connected to the first line and configured to separate the introduced refrigerant into a liquid refrigerant and a gaseous refrigerant, a second expansion means connected to a movement passage through which the liquid refrigerant separated in the gas-liquid separator flows, the second expansion means being configured to expand the introduced refrigerant, and a first outlet port connected to the second line and the second expansion means.

Abstract: The present disclosure relates to oil temperature control device and method of a vehicle including a motor, and more particularly, to oil temperature control device and method for estimating and controlling an oil temperature by using a back electromotive force of a motor.

Abstract: A heat pump system for a vehicle is configured to perform cooling or heating of the vehicle interior by using a natural refrigerant, and efficiently adjust the temperature of the battery module by using a single chiller that heat-exchanges refrigerant and coolant.

Abstract: A heat pump system for a vehicle cools or heats the vehicle interior by using a natural refrigerant, and efficiently adjusts the temperature of a battery module by using a single chiller that exchanges heat between refrigerant and coolant.

Abstract: A bearing fitted to a motor shaft for an anti-corrosion function may ensure lower material costs and weight by adopting a smaller size compared to the prior art, and also ensure a significantly-reduced rotational frictional force, and be advantageous in terms of the noise, vibration, and harshness (NVH) of a vehicle as well by having a conductive seal formed in a brush type and in contact with an end cover and a rear cover in an axis direction.

Abstract: The present invention relates to a valve assembly for controlling fluid. The valve assembly for controlling fluid, according to one embodiment of the present invention, comprises: a housing; an actuator coupled to one side of the housing so as to provide power; a rotor which can rotate inside the housing and which receives power from the actuator; and a port unit which is coupled to one side of the housing, and to which a fluid hose is connected, wherein the rotor can be divided such that at least two multi-way valves can be controlled.

Abstract: The present exemplary embodiments relate to a graphite-based negative electrode material, a method of manufacturing the same, a negative electrode including the same, and a lithium secondary battery including the same. The graphite-based negative electrode material according to an exemplary embodiment includes: a graphite oxide obtained by oxidizing a surface of first graphite, and a graphite coating including second graphite and low crystalline carbon positioned on a surface of the second graphite, wherein the graphite coating to the graphite oxide is 1/9 to 1/3.

Abstract: A manifold fluid module according to the present invention includes a manifold plate having a fluid flow path formed therein, a compressor coupled to the manifold plate, and a first heat exchanger which is coupled to the manifold plate and connected such that a first fluid flowing out from the compressor is directly introduced thereinto, and heat-exchanges the first fluid and a second fluid, wherein the compressor is coupled to one surface of the manifold plate, and the first heat exchanger is coupled to the other surface of the manifold plate, and the compressor has a first fluid inlet port and a first fluid outlet port, and one of the first fluid inlet port or the first fluid outlet port of the compressor may be directly connected to and communicate with any one of the first inlet port or the first fluid outlet port of the first heat exchanger.

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: 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 invention provides a manifold refrigerant module comprising: a manifold plate having a plurality of refrigerant flow paths formed therein; and a plurality of heat exchangers arranged on the manifold plate, wherein the plurality of heat exchangers are arranged in the left-right direction or the up-down direction.

Abstract: A polyolefin and a method for preparing same are provided. The polyolefin is formed by copolymerizing an olefin-based monomer and a comonomer in the presence of an olefin polymerization catalyst comprising a transition metal compound for an olefin polymerization catalyst represented by formula 1, and the weight average molecular weight (Mw) thereof may be 20,000 or less. The description of formula 1 is the same as that in the description of the invention.

Abstract: A refrigerant circulating apparatus of a vehicle includes a compressor configured to compress a refrigerant, at least one heat-exchanger configured to heat-exchange the refrigerant, at least one valve configured to selectively flow the refrigerant to the at least one heat-exchanger, and a refrigerant fluid line unit mounted with the compressor, the at least one heat-exchanger, and the at least one valve, and interiorly formed with a plurality of fluid lines to flow the refrigerant to the compressor and the at least one heat-exchanger by a selective operation of the at least one valve, where the refrigerant fluid line unit includes a first fluid line mounting plate and a second fluid line mounting plate coupled to each other.

Abstract: A refrigerant circulating apparatus of a vehicle includes a compressor configured to compress a refrigerant, at least one heat-exchanger configured to exchange with the refrigerant, at least one valve configured to selectively provide the refrigerant to the at least one heat-exchanger, a bracket that supports the compressor, and a fluid line plate that is coupled to the bracket and disposed adjacent to the at least one heat-exchanger and the at least one valve. The fluid line plate includes a plurality of fluid lines defined inside the fluid line plate and configured to provide the refrigerant to the at least one heat-exchanger based on operation of the at least one valve.

Abstract: An embodiment heat pump system for a vehicle includes an air conditioner unit and a chiller. The air conditioner unit includes a compressor, first through third heat-exchangers, a first expansion valve, and an evaporator interconnected by a refrigerant line for circulating a refrigerant through the refrigerant line, and the chiller is connected to the refrigerant line through a first connection line for adjusting a temperature of a coolant by heat-exchanging the refrigerant with the coolant. The air conditioner unit further includes a second expansion valve on the first connection line upstream of the chiller, a first valve on the refrigerant line between the first and second heat-exchangers, a third expansion valve on the refrigerant line between the first valve and the second heat-exchanger, a second valve on the refrigerant line between the evaporator and the compressor, and a fourth expansion valve on a second connection line.

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: 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.