Abstract: A pixel includes: a light emitting element; a first transistor generating a driving current flowing from a first power line to a second power line; a second transistor being turned on in response to a fourth scan signal; a third transistor being turned on in response to a second scan signal; a fourth transistor being turned on in response to a first scan signal; a fifth transistor being turned on in response to a third scan signal; a sixth transistor being turned off in response to a first emission control signal; a first capacitor; and a second capacitor. A period in which the second transistor is turned on and a period in which the third transistor is turned on do not overlap with each other.

Abstract: A display device including: pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver configured to supply a first scan signal to each of the first scan lines at a first frequency; a second scan driver configured to supply a second scan signal to each of the second scan lines at a second frequency corresponding to a driving frequency of the pixels; an emission driver configured to supply an emission control signal to each of the emission control lines at the first frequency; a data driver configured to supply a data signal to each of the data lines at the second frequency; and a timing controller configured to control the first scan driver, the second scan driver, the emission driver, and the data driver.

Abstract: An embodiment battery thermal management system includes a first cooling circuit including a battery including battery cells, a second cooling circuit including a water pump for supplying and circulating coolant to the first cooling circuit, a coolant flow control valve connecting the first and second cooling circuits such that the coolant flows therethrough, the coolant flow control valve configured to control a flow direction of the coolant supplied to the first cooling circuit to be a first or second direction, and a controller configured to determine the flow direction of the coolant passing through the coolant flow control valve and to control an operation mode of the coolant flow control valve based on a temperature difference between a first battery cell disposed closest to a first coolant passage of the battery and a second battery cell disposed closest to a second coolant passage of the battery.

Abstract: In an organic light emitting display device which displays an image in a first mode or a second mode, the organic light emitting display device includes: a first scan driver which supplies a first scan signal having a first voltage to first scan lines; a second scan driver which supplies a second scan signal having a second voltage larger than the first voltage to second scan lines; and a pixel unit including pixels each coupled to a corresponding first scan line and a corresponding second scan line. When a first image displayed in the second mode is changed to a second image to be displayed in the second mode, the second image is displayed in the first mode during a predetermined portion of a period, in which the second image is displayed, and is displayed in the second mode during the remaining portion of the period.

Abstract: A display device includes a pixel, a scan driver supplying first to third scan signals in a first non-emission period and supplying the second scan signal in a second non-emission period, an emission driver supplying an emission control signal in the first and second non-emission periods, and a data driver supplying a data signal in the first non-emission period. The pixel includes a light-emitting element, a first transistor, a second transistor connected between the data line and a second node, a first capacitor connected between the first and second nodes, a third transistor connected between a third power line and the first node, a storage capacitor connected between the first and third nodes, a fourth transistor connected between the third node and a fourth power line, a fifth transistor connected between the first power line and the first transistor, and a sixth transistor supplying a fifth supply voltage.

Abstract: In an in-cabin radar apparatus, transmitting antennas are disposed at one side in a direction parallel to a control circuit and disposed in a line in a vertical direction, and receiving antennas are disposed at one side in a direction perpendicular to the control unit and disposed in a line in a horizontal direction. Each transmission side feed line may be perpendicularly connected to one of the transmitting antennas, and each receiving side feed line may be perpendicularly connected to one of the receiving antennas. Each of a distance between the transmitting antennas and a distance between the receiving antennas may be implemented to be less than or equal to half of a transmitting and receiving wavelength.

Abstract: A pixel includes: a light emitting element; a first transistor generating a driving current flowing from a first power line to a second power line; a second transistor being turned on in response to a fourth scan signal; a third transistor being turned on in response to a second scan signal; a fourth transistor being turned on in response to a first scan signal; a fifth transistor being turned on in response to a third scan signal; a sixth transistor being turned off in response to a first emission control signal; a first capacitor; and a second capacitor. A period in which the second transistor is turned on and a period in which the third transistor is turned on do not overlap with each other.

Abstract: A planetary gear actuator including a sun gear, a rotary internal gear being concentric with the sun gear, a fixed internal gear being concentric with the sun gear, compound planetary gears, and a carrier connected to each of the compound planetary gears so as to be rotatable relative to each of compound planetary gears may be provided, Each of the compound planetary gears may include a first planet gear engaged with the sun gear, a second planet gear at one side of the first planet gear, engaged with the rotary internal gear, and having a smaller number of teeth than the first planet gear, and a third planet gear at another side of the first planet gear, engaged with the fixed internal gear, and having a smaller number of teeth than the first planet gear. One compound planetary gear may overlap another compound planetary gear in a thickness direction.

Abstract: Transmitting antennas and receiving antennas are arranged such that a plurality of virtual antennas have the same position in a time-division-multiplexed (TDM) frequency modulated continuous wave (FMCW) radar apparatus. At least three peculiar chirps, at least one of which is included in a chirp loop of each of waveform signals transmitted by the plurality of virtual antennas having the same position, are respectively positioned in consecutive time slots and have different periods. A Doppler frequency may be uniquely determined from phase difference values between the at least three peculiar chirps respectively positioned in consecutive time slots measured from FMCW radar signals received at the plurality of virtual antennas.

Abstract: A robot joint device including first and second plates positioned in parallel, links each having a first end connected to the first plate and a second end connected to the second plate, connecting members configured to connect the two first and second ends of each of the links and the first and second plates, respectively, so that angles and rotations of the links are adjustable relative to the first and second plates, a rotary shaft having two ends penetrating the first and second plates and rotatably installed, a gear reduction unit installed in the first plate and connected to the first end of the rotary shaft, and a pulley connected to the second end of the rotary shaft and configured to transmit driving power to the rotary shaft may be provided.

Abstract: A battery module for a vehicle includes a cell module in which battery cells are overlapped with each other while having a predetermined directivity, and a cooling channel module directly bonded to at least one surface parallel to an overlap direction of the battery cells of the cell module, the cooling channel module having a refrigerant circulated therein, where a cell bonding surface of the cooling channel module has a wave-shaped cross section curved along a curvature formed by end portions of the overlapped battery cells.

Abstract: A display device including: pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver configured to supply a first scan signal to each of the first scan lines at a first frequency; a second scan driver configured to supply a second scan signal to each of the second scan lines at a second frequency corresponding to a driving frequency of the pixels; an emission driver configured to supply an emission control signal to each of the emission control lines at the first frequency; a data driver configured to supply a data signal to each of the data lines at the second frequency; and a timing controller configured to control the first scan driver, the second scan driver, the emission driver, and the data driver.

Abstract: A wearable chair may include a foot frame configured to support a foot of a user; a shank link configured to rotatably connect to the foot frame; a connecting link provided in front of the shank link and configured to rotatably connect to the foot frame; a knee link configured to rotatably connect to each of the shank link and the connecting link; and a thigh link configured to extend from the knee link. The foot frame, the shank link, the connecting link, and the knee link constitute a four-bar linkage.

Abstract: A system includes a database configured to store a matrix of knowledge units, a curriculum generation unit configured to generate a curriculum for the user based on the matrix of knowledge units stored in the database, a knowledge providing unit configured to provide the user with the at least one problem and to provide the user with contents on the knowledge unit associated with the user's response to the at least one problem, and a user knowledge analysis unit configured to determine the user's achievement for the at least one knowledge unit based on a feedback that the user provided in response to at least one other problem, and to reflect information on the determined achievement to the database.

Abstract: A method and structure for solving a Doppler ambiguity problem in a time-division-multiplexed (TDM) frequency modulated continuous wave (FMCW) radar apparatus are proposed. In a frame of a waveform signal transmitted by one transmitting antenna in the TDM FMCW radar apparatus, at least three consecutive chirps having different periods are included for each chirp loop. A Doppler frequency may be determined from phase difference values between the three consecutive chirps measured from an FMCW radar signal received at a receiving antenna. The at least three consecutive chirps having different periods are configured to differ in at least one of an idle time between the chirps or a ramp time of the chirp.

Abstract: A display device includes a pixel, a scan driver supplying first to third scan signals in a first non-emission period and supplying the second scan signal in a second non-emission period, an emission driver supplying an emission control signal in the first and second non-emission periods, and a data driver supplying a data signal in the first non-emission period. The pixel includes a light-emitting element, a first transistor, a second transistor connected between the data line and a second node, a first capacitor connected between the first and second nodes, a third transistor connected between a third power line and the first node, a storage capacitor connected between the first and third nodes, a fourth transistor connected between the third node and a fourth power line, a fifth transistor connected between the first power line and the first transistor, and a sixth transistor supplying a fifth supply voltage.

Abstract: A display device including: pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver configured to supply a first scan signal to each of the first scan lines at a first frequency; a second scan driver configured to supply a second scan signal to each of the second scan lines at a second frequency corresponding to a driving frequency of the pixels; an emission driver configured to supply an emission control signal to each of the emission control lines at the first frequency; a data driver configured to supply a data signal to each of the data lines at the second frequency; and a timing controller configured to control the first scan driver, the second scan driver, the emission driver, and the data driver.

Abstract: An ultrasonic includes: a piezoelectric layer; an absorbing layer disposed at a lower portion of the piezoelectric layer, configured to absorb an acoustic signal; and a connection part disposed between the piezoelectric layer and the absorbing layer. The connection part may deform at least partially so that a plurality of acoustic signals radiated from the piezoelectric layer due to the connection part have different magnitudes. In the case of the ultrasonic probe, since the magnitude of the acoustic energy radiated from the center of the ultrasonic probe is larger than the magnitude of the acoustic energy radiated from the side of the ultrasonic probe, the directivity of the ultrasonic signal is improved and a side lobe is decreased. In addition, an apodization effect capable of suppressing overlapping between adjacent phases can be obtained by using a difference in the magnitude of the acoustic energy to be radiated.

Abstract: In an organic light emitting display device which displays an image in a first mode or a second mode, the organic light emitting display device includes: a first scan driver which supplies a first scan signal having a first voltage to first scan lines; a second scan driver which supplies a second scan signal having a second voltage larger than the first voltage to second scan lines; and a pixel unit including pixels each coupled to a corresponding first scan line and a corresponding second scan line. When a first image displayed in the second mode is changed to a second image to be displayed in the second mode, the second image is displayed in the first mode during a predetermined portion of a period, in which the second image is displayed, and is displayed in the second mode during the remaining portion of the period.

Abstract: Disclosed herein is an ultrasonic probe including a piezoelectric layer, a matching layer disposed at an upper portion of the piezoelectric layer, a conductive member disposed at a lower portion of the piezoelectric layer, a second connector coupled to at least one side of the conductive member, and a printed circuit board coupled to a side of the second connector and electrically coupled to the second connector. A printed circuit board is disposed outside a laminated structure of the acoustic element so that the printed circuit board can be prevented from affecting acoustic characteristics of the ultrasonic probe, a failure in a process of manufacturing the ultrasonic probe that occurs due to a change in temperature or humidity can be prevented, and the manufacturing process can be relatively simplified.