Abstract: A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1?XY/Z?3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (?m) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (?m) of the positive electrode active material, wherein Z is from 5 ?m to 12 ?m.

Abstract: A display device and a manufacturing method thereof are disclosed. The display device may include a pixel circuit layer including a plurality of transistors, a first partition wall and a second partition wall on the pixel circuit layer, and each protruding in a thickness direction, a first electrode and a second electrode formed on the same layer, and on the first partition wall and the second partition wall, respectively; a light emitting element between the first electrode and the second electrode; and a first organic pattern directly on the light emitting element.

Abstract: A cathode active material with controlled rheological properties for lithium secondary batteries. In particular, the cathode active material for a lithium secondary battery includes: a core part comprising a lithium metal oxide; and a coating layer covering at least a portion of a surface of the core part and comprising an inorganic compound.

Abstract: The present disclosure relates to a hydrogen tank support apparatus, and the hydrogen tank support apparatus according to the present disclosure includes: a hydrogen storage tank; a frame portion on which the hydrogen storage tank is seated; and a sliding block portion configured to fix a nozzle portion of the hydrogen storage tank to the frame portion, wherein the sliding block portion includes a lower block portion fixed to the frame portion, an upper block portion coupled to the lower block portion in a concave-convex manner so that movement of the hydrogen storage tank is limited in a longitudinal direction and a width direction of the hydrogen storage tank, and a slide ball portion configured to surround an outer side surface of the nozzle portion, interposed between the lower block portion and the upper block portion, and configured to rotatably support the nozzle portion.

Abstract: A memory device including: a memory device may include: a memory cell array, and a controller configured to perform program loops each comprising a voltage application operation, a word line holding operation, and a verification operation until a program operation for selected memory cells is successful, during the word line holding operation, apply a holding pass voltage having a higher level than a ground voltage to each of first word lines having a program state and second word lines having an erase state, which belong to unselected word lines among a plurality of word lines, during the verification operation, apply a verification pass voltage having a higher level than the holding pass voltage to K word lines that belong to the first word lines and the second word lines, and apply the holding pass voltage to remaining word lines except the K word lines, among the second word lines.

Abstract: A method and a device for estimating a position of a device by using an optical signal through converting a linearly polarized optical signal to a plurality of electric signals using a plurality of photoelectric devices, estimating a moving distance of the device from a reference position by using the plurality of electric signals, and estimating an orientation angle of the device with respect to a reference direction by using the plurality of electric signals are provided.

Abstract: An image display device is disclosed in which electrical connection to a rotary body is reliably maintained during rotation of the rotary body and supply of power and transmission and reception of a signal are stabilized. Since transmission and reception of a signal between a communication transmitter and a communication receiver are implemented through a cavity formed in a motor, introduction of an external signal is blocked, and thus security and control stability are ensured. Even when a rotary module rotates at a high speed, damage thereto due to friction is prevented, and thus the durability thereof is ensured. Rotation of the rotary module is stabilized through structural stabilization.

Abstract: An apparatus for controlling a power source of a hybrid vehicle, an operating method thereof, and a system including the same predict engine torque fluctuations in real time based on an engine RPM and a required engine torque. The apparatus includes a storage configured to store one or more algorithms for predicting engine torque fluctuations and one or more look-up tables (LUT). The apparatus has a power source controller configured to predict an inertial torque and a pressure torque related to an engine based on engine-related information and predict engine torque fluctuations based on the engine-related information, the inertial torque, and the pressure torque. The power source controller is further configured to output a reverse torque instruction to offset the engine torque fluctuations.

Abstract: A display device including a display panel having a folding area and a bending area, a support member disposed on a surface of the display panel and including a plurality of openings formed in the folding area, an elastic member disposed on a surface of the support member and overlapping the openings in the folding area, and a first adhesive member disposed between the support member and the elastic member.

Abstract: A motor driving apparatus includes a first motor including first windings respectively corresponding to phases, a second motor including second windings respectively corresponding phases, a first inverter including first switching elements and connected to a first end of each of the first windings, a second inverter including second switching elements, a first changeover switch including third switching elements respectively connected to a second end of each of the first windings at one end and connected to each other at the other end, a second changeover switch including switches selectively connecting the second inverter with the second end of each of the first windings or the second inverter with a first end of each of the second windings, and a controller configured for controlling the states of the first switching elements, the second switching elements, the third switching elements and the switches based on preset conditions.

Abstract: A method for selecting one or more items by an electronic device is provided.

Abstract: A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1?XY/Z?3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (?m) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (?m) of the positive electrode active material, wherein Z is from 5 ?m to 12 ?m.

Abstract: The present technology relates to an electronic device. According to the present technology, a memory device may include a plurality of memory cells, a defect detector, and a test controller. The defect detector may generate defect information indicating a defect state in which a value of a cell current measured in a sensing operation on selected memory cells among the plurality of memory cells is less than a threshold value. The test controller may count fail bits from a result of a test operation performed on the selected memory cells using a test reference current in response to the defect information, and set a bit line voltage to be used in the sensing operation based on a comparison result between a number of fail bits detected in the test operation and a reference number.

Abstract: A positive electrode active material includes a lithium composite transition metal oxide in the form of a single particle composed of one single nodule and/or in the form of a pseudo-single particle, which is a composite of 30 or less nodules, and a coating layer formed on the surface of the lithium composite transition metal oxide particle. The coating layer contains aluminum (Al) and tungsten (W). The positive electrode active material satisfies Equation 1 below: 45?X×X??56??[Equation 1] wherein, X is the content of nickel among all metals except for lithium in the lithium composite transition metal oxide (unit: mol %), and X? is the BET specific surface area of the positive electrode active material (unit: m2/g).

Abstract: The present invention provides a positive electrode active material for a secondary battery, which includes a lithium transition metal oxide including nickel (Ni) and cobalt (Co), and at least one selected from the group consisting of aluminum (Al), manganese (Mn), and a combination thereof. The lithium transition metal oxide is characterized in that the content of nickel (Ni) in the total transition metal elements is 80 mol % or more, and the cation mixing ratio of Ni cations in a lithium layer in the lithium transition metal oxide structure is 1.1% or less.

Abstract: A memory device, comprising: a memory cell array including a plurality of memory cell strings, and coupled between a plurality of bit lines and a plurality of word lines, the bit lines commonly coupled to a common source line, and a control portion suitable for: precharging the bit lines to a first level during a read operation for selected memory cells coupled to a selected word line of the word lines, and precharging the bit lines to a second level during a verify operation of a program operation for the selected memory cells, wherein the second level is lower than the first level by a set level.

Abstract: An operating method of a memory device may include performing a pre-program operation on selection transistors that are included in strings, wherein each of the strings comprises a first source selection transistor, a second source selection transistor, a plurality of memory cells, and a drain selection transistor that are sequentially coupled, and performing an erase operation and a fine program operation on at least one of the selection transistors.

Abstract: A direct current-to-direct current (“DC-DC”) converter includes: a first converter which outputs a first power voltage in a normal mode or a power saving mode based on a inductor current generated therein, where the first converter operates in a first driving manner in the normal mode, and operates in a second driving manner in the power saving mode; a second converter which outputs a second power voltage based on a inductor current generated therein, where the second converter operates in a third driving manner in the power saving mode, and a magnitude of the second power voltage in the power saving mode is different from that in the normal mode; and a mode selector which supplies a mode control signal to the first and second converters, where the first and second converters are driven in the normal mode or the power saving mode based on the mode control signal.

Abstract: Proposed is a motor drive apparatus driving first and second motors having first wirings and second wirings, respectively, including a first inverter including first switching elements, an alternating-current terminal of the first inverter being connected to a first terminal of each of the first wirings, a second inverter including second switching elements, a first change-over switch including third switching elements, first-side terminals thereof being connected to second terminals of the first wirings, respectively, and second-side terminals being connected, a second change-over switch including fourth switching elements, first-side terminals thereof being connected to the second terminals, respectively, and second-side terminals being connected to an alternating-current terminal of the second inverter, a third change-over switch including fifth switching elements, first-side terminals thereof being connected to the alternating-current terminal, and second-side terminals being connected to the second wirin

Abstract: A DC-DC converter includes: a first switch; a second switch connected to the first switch; a mode selecting circuit to select a converting mode from one of at least a first mode and a second mode based on an input voltage; and a controller to generate a first switching control signal for controlling the first switch based on the converting mode, and a second switching control signal for controlling the second switch based on the converting mode.