Abstract: The present disclosure relates to a crystallization method of branched-chain amino acids capable of sustainably cycling ammonia, and branched-chain amino acid crystal produced by the method.

Abstract: A display panel including a wavelength conversion structure that includes a base structure including partition walls that define a first space and a second space, a first quantum dot composite disposed in the first space, and a second quantum dot composite disposed in the second space. The height of the partition wall is greater than or equal to about 5 micrometers and less than or equal to about 50 micrometers, and the first quantum dot composite provides a first top surface and the second quantum dot composite provides a second top surface. A production method for making the wavelength conversion structure uses a first ink composition that includes first quantum dots and a first matrix, and a second ink composition that includes second quantum dots and a second matrix.

Abstract: An electronic device includes a first substrate, a plurality of light emitting elements each having a horizontal length and a vertical length which are less than or equal to about 10 micrometers (?m), each of the plurality of light emitting elements being disposed on the first substrate, a quantum dot color filter layer disposed on the plurality of light emitting elements, and a first overcoat layer between a plurality of light emitting elements and the quantum dot color filter layer. The quantum dot color filter layer includes a plurality of quantum dot color filters partitioned by a plurality of first partition walls so as to be overlapped with the plurality of light emitting elements, respectively.

Abstract: An oil recovery structure for cooling a motor includes a rotor connected to a rotary shaft, a stator disposed on the rotor, a housing surrounding the rotor and the stator, and an oil housing disposed on the housing, in which the oil housing includes a first inlet through which the oil is introduced from a space defined on one side of the rotor, a second inlet through which the oil is introduced from a reducer connected to the rotary shaft, and a discharging port discharging the oil inside the oil housing to an oil filter.

Abstract: A motor cover structure sealing a housing of a motor includes a partition wall disposed on one side of a stator disposed within the motor to contact a cover contacting the housing, and a body part mounted with the partition wall, in which an oil recovery line is defined between the partition wall and the body part, and the oil flows to the oil recovery line in a space of one side of a rotor disposed within the motor.

Abstract: A motor may include a cooling channel formed in a rotor core including a plurality of stacked metal sheets, wherein the plurality of metal sheets has flow path holes that are positioned at different distances from a center portion of the rotor core such that the flow path holes in the plurality of metal sheets define a cooling channel which is inclined at a predetermined slope with respect to a rotation axis of the rotor core and has a stepped cross-section when the plurality of metal sheets is stacked one on another, increasing the cooled area of the rotor core, that is, the area in contact with the cooling fluid and thus maximizing the cooling effect of the rotor core.

Abstract: A motor cover structure sealing a housing of a motor includes a partition wall disposed on one side of a stator disposed within the motor to contact a cover contacting the housing, and a body part mounted with the partition wall, in which an oil recovery line is defined between the partition wall and the body part, and the oil flows to the oil recovery line in a space of one side of a rotor disposed within the motor.

Abstract: In a motor cooling structure including a rotor connected to a rotary shaft, a stator disposed on the rotor and including a stator core and coils, and a housing surrounding the rotor and the stator, the motor cooling structure includes: a first cover provided to extend along the inner circumferential surface of the coil between the stator core and the coils disposed on both sides of the stator core and a second cover disposed on the outsides of the coils with respect to the stator core and provided to extend along the inner circumferential surfaces of the coils, and the oil for cooling a motor through a chamber and a channel flows.

Abstract: An oil recovery structure for cooling a motor includes a rotor connected to a rotary shaft, a stator disposed on the rotor, a housing surrounding the rotor and the stator, and an oil housing disposed on the housing, in which the oil housing includes a first inlet through which the oil is introduced from a space defined on one side of the rotor, a second inlet through which the oil is introduced from a reducer connected to the rotary shaft, and a discharging port discharging the oil inside the oil housing to an oil filter.

Abstract: A motor apparatus having an oil circulation structure may collect churning oil inside a housing and efficiently disperses the collected oil in each drive system, smoothly performing cooling and lubrication of the drive system including a motor and a reduction gear. Furthermore, even under low or high load conditions of the drive system, the oil level inside the housing is maintained at a constant level to maintain desired lubrication and cooling performance.

Abstract: A motor apparatus having an oil circulation structure may collect churning oil inside a housing and efficiently disperses the collected oil in each drive system, smoothly performing cooling and lubrication of the drive system including a motor and a reduction gear. Furthermore, even under low or high load conditions of the drive system, the oil level inside the housing is maintained at a constant level to maintain desired lubrication and cooling performance.

Abstract: A power transmission apparatus of a hybrid electric vehicle may include an input shaft receiving an engine torque output from an engine, an output shaft disposed at a same axis with the input shaft and outputting a shifted torque, first and second motor/generators, a first shifting section including a first planetary gear set, outputting a rotation speed from the input shaft as inputted or increased, or forming an adjusted torque from the engine torque and torques of the first and second motor/generators, and outputting the adjusted torque, and a second shifting section including a compound planetary gear set formed as a combination of second and third planetary gear sets and outputting a shifted torque at least three stages from a torque received from the first shifting section to the output shaft.

Abstract: A power transmission apparatus of a hybrid electric vehicle may include an input shaft receiving an engine torque, an output shaft disposed at a same axis with the input shaft and outputting a shifted torque, first and second motor/generators, a first shifting section including a compound planetary gear set formed as a combination of first and second planetary gear sets, forming an adjusted torque from the engine torque received through two paths and torques of the first and second motor/generators, and outputting the adjusted torque, and a second shifting section including a third planetary gear set and outputting a shifted torque of two stages from a torque received from the first shifting section to the output shaft.

Abstract: A power transmission apparatus of a hybrid electric vehicle may include an input shaft receiving an engine torque, an output shaft disposed at a same axis with the input shaft and outputting a shifted torque, first and second motor/generators, a first shifting section including a compound planetary gear set formed as a combination of first and second planetary gear sets, forming an adjusted torque from the engine torque received through two paths and torques of the first and second motor/generators, and outputting the adjusted torque, and a second shifting section including a third planetary gear set and outputting a shifted torque of two stages from a torque received from the first shifting section to the output shaft.

Abstract: A power transmission apparatus of a hybrid electric vehicle may include an input shaft receiving an engine torque output from an engine, an output shaft disposed at a same axis with the input shaft and outputting a shifted torque, first and second motor/generators, a first shifting section including a first planetary gear set, outputting a rotation speed from the input shaft as inputted or increased, or forming an adjusted torque from the engine torque and torques of the first and second motor/generators, and outputting the adjusted torque, and a second shifting section including a compound planetary gear set formed as a combination of second and third planetary gear sets and outputting a shifted torque at least three stages from a torque received from the first shifting section to the output shaft.

Abstract: A power transmission system for a hybrid electric vehicle may include an input shaft to which a rotational power of an engine is input; a first motor/generator having a first motor shaft; a planetary gear set disposed on the first motor shaft of the first motor/generator and including a first rotation element fixedly connected to the first motor shaft, a second rotation element fixedly connected to the input shaft, and a third rotation element; a second motor/generator having a second motor shaft disposed; and an output shaft transmitting a rotational power transmitted from the planetary gear set and the second motor/generator to a differential apparatus, wherein the rotational driving force of the planetary gear set and the second motor/generator is transmitted to the output shaft by the first gear set and the rotational driving force of the output shaft is transmitted to the differential apparatus by the second gear set.

Abstract: The present disclosure provides a power transmission apparatus for a hybrid vehicle including a one-directional rotation limiting device disposed on an engine torque delivery path so as to prevent a torque from reversely transmitting from the final drive gear to the planetary gear set.

Abstract: The present disclosure provides a power transmission apparatus for a hybrid vehicle including a one-directional rotation limiting device disposed on an engine torque delivery path so as to prevent a torque from reversely transmitting from the final drive gear to the planetary gear set.

Abstract: A brake device of a transmission includes a first brake provided in a transmission including an outer cone and an inner cone, a second brake provided at one end of the first brake and operated at the time of a low stage or backward movement, and an elastic body provided between the first brake and the second brake to operate the first brake or the second brake depending on a spring load.

Abstract: A brake device of a transmission includes a first brake provided in a transmission including an outer cone and an inner cone, a second brake provided at one end of the first brake and operated at the time of a low stage or backward movement, and an elastic body provided between the first brake and the second brake to operate the first brake or the second brake depending on a spring load.