Abstract: Provided herein is a memory device and a method of operating the memory device. The memory device includes a memory cell array including a plurality of memory cells, a peripheral circuit configured to perform a program operation for storing data in selected memory cells among the plurality of memory cells, and a control logic circuit configured to control the peripheral circuit to form threshold voltage distributions corresponding to target program states corresponding to the data to be stored in the selected memory cells, respectively, wherein the control logic controls the peripheral circuit to perform a main verify operation for any one of the target program states of the selected memory cells when a pre-verify operation for the any one of the target program states has passed.

Abstract: The present technology relates to an electronic device. A memory device according to the present technology includes a plurality of memory cells connected to a word line, an operation controller configured to apply a first or a second read voltage to the word line and to obtain data that is stored in the plurality of memory cells through bit lines that are respectively connected to the plurality of memory cells, and a read voltage controller configured to control the operation controller to read the data that is stored in the plurality of memory cells by using the second read voltage, and to read the data that is stored in the plurality of memory cells by using the first read voltage according to the number of off cells that are counted based on the data that is read by using the second read voltage, in response to a read command.

Abstract: The present invention relates to a battery system for detecting a damaged battery cell, and a method of evaluating a battery module. The battery system and the apparatus for evaluating performance of the battery module can accurately predict the location of the battery cell where gas has been generated by introducing a plurality of gas sensor units in the battery module where a plurality of battery cells are accommodated, and comparing gas detection time points measured in the gas sensor units when gas is generated in a battery cell. Hence, the battery system and the apparatus for evaluating performance of the battery module can be usefully used in terms of development of a battery module and/or management of a developed battery module.

Abstract: A semiconductor memory device includes a memory cell array and a peripheral circuit. The memory cell array includes at least two planes. The peripheral circuit performs a memory operation on a selected plane of the at least two planes during a single plane operation and performs a dummy operation on an unselected plane of the at least two planes.

Abstract: A motor driving apparatus which drives a motor including a plurality of windings corresponding to a plurality of phases, respectively, includes: a first inverter including a plurality of first switching elements and connected to a first end of each of the windings; a second inverter including a plurality of second switching elements and connected to a second end of each of the windings; and a controller obtaining a vector corresponding to a voltage command of the motor by combining switching vectors which cause difference between a common mode voltage of the first inverter and a common mode voltage of the second inverter to be zero and configured to control the plurality of first switching elements and the plurality of second switching elements in a pulse width modulation method based on the obtained vector.

Abstract: A system for charging a battery for a vehicle using a motor driving system that operates a motor having a plurality of windings is disclose. The system includes a first inverter having a plurality of first switching elements, a DC terminal connected to the battery, and an AC terminal connected to one terminal of the plurality of windings, a second inverter having a plurality of second switching elements, a DC terminal selectively short-circuited/opened with the DC terminal of the first inverter, and an AC terminal connected to the other terminal of the plurality of windings, and a controller configured to control an electric connection state between the DC terminals of the first inverter and the second inverter and an open/short-circuited state of the first switching elements and the second switching elements.

Abstract: A lock-up device for a torque converter is provided with a simple structure which reduces manufacturing costs, and which may reduce a size of the entire torque converter by minimizing an installation space of a dynamic damper.

Abstract: Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.

Abstract: A system for charging a vehicle battery using a motor driving system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control opened/shorted states of the switching elements included in the first inverter and the second inverter and the plurality of transfer switches, so that a DC charging voltage applied to a portion between of the second ends of the plurality of transfer switches and a negative terminal of the battery is supplied to the battery.

Abstract: A system for charging a vehicle battery using a motor driving system is proposed. The battery charging system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control a connection state between a DC terminal of the first inverter and a DC terminal of the second inverter, and opened/shorted states of the plurality of first switching elements, the plurality of second switching elements, and the plurality of transfer switches.

Abstract: Disclosed are an electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same. The electrolyte for a lithium secondary battery, according to an embodiment, can comprise: a nonaqueous organic solvent; a lithium salt; a first additive comprising a compound represented by a specific chemical formula; and a second additive including at least one of lithium difluorophosphate (LiPO2F2), a cyclic carbonate including a fluorine atom, and a dinitrile compound.

Abstract: A semiconductor device includes a first semiconductor layer having first and second regions, a plurality of first channel layers spaced apart from each other in a vertical direction on the first region of the first semiconductor layer, a first gate electrode surrounding the plurality of first channel layers, a plurality of second channel layers spaced apart from one another in the vertical direction on the second region of the first semiconductor layer, and a second gate electrode surrounding the plurality of second channel layers, wherein each of the plurality of first channel layers has a first crystallographic orientation, and each of the plurality of second channel layers has a second crystallographic orientation different from the first crystallographic orientation, and wherein a thickness of each of the plurality of first channel layers is different from a thickness of each of the plurality of second channel layers.

Abstract: A deodorization module including a housing having a suction port and a discharge port formed therein, a fan disposed between the suction port and the discharge port, a photocatalytic filter disposed between the suction port and the fan, a light source module including a substrate and an ultraviolet light source and configured to irradiate the photocatalytic filter with ultraviolet light, and an ion generator disposed between the fan and the discharge port.

Abstract: An organic compound having a tetraphenyl moiety and at least one fused hetero aryl moiety having at least one oxygen and/or sulfur on a ring and bonded to the tetraphenyl moiety directly or indirectly, and a light emitting diode and a light emitting device having the organic compound are disclosed. The organic compound has excellent thermal resistance property and hole mobility property. The organic compound can be incorporated into a hole transfer layer, an electron blocking layer and/or a charge generation layer of the light emitting diode. Therefore, the light emitting diode and light emitting device according to the present invention have decreased driving voltage and enhanced luminous efficiency.

Abstract: A liquid crystal display device includes a substrate, and a pixel electrode disposed on the substrate, the pixel electrode including a first stem portion that extends in a first direction, a second stem portion that extends in a second direction crossing the first direction and intersecting with the first stem portion, a plurality of branch portions, the branch portions extending to the first direction and the second direction from the first stem portion or the second stem portion, a first connection portion that connects distal ends of some of the branch electrodes to each other, extends in the first direction and intersects with the second stem portion, and a first edge electrode that is connected to one distal end of the second stem portion and extends in the first direction.

Abstract: An etchant composition includes: an inorganic acid compound at 9.0 wt % to 9.9 wt %; an inorganic salt compound at 5.0 wt % to 10.0 wt %; an organic acid compound at 35 wt % to 45 wt %; a lactate-based compound at 10 wt % to 20 wt %; a nitrogen cyclic compound containing oxygen at 0.1 wt % to 1.0 wt %; and a remaining amount of water such that a total weight of the etchant composition is 100 wt %, wherein the inorganic acid compound is an etchant composition having an acid dissociation constant (pKa) value of ?1.0 to ?3.0.

Abstract: Provided is a system, server, and method for speech recognition capable of collectively setting a plurality of setting items for device control through an utterance of a single sentence provided in the form of natural language. The system includes: a home appliance configured to receive a speech command that is generated through an utterance of a single sentence for control of the home appliance; and a server configured to receive the speech command in the single sentence from the home appliance and interpret the speech command of the single sentence through multiple intent determination.

Abstract: Disclosed herein is a cooking system: a cooking apparatus configured to input and output a speech, transmit speech data corresponding to the speech, and cook food in a cooking chamber; a first server configured to perform communication with the cooking apparatus, when speech data is received from the cooking apparatus, perform speech recognition based on the received speech data, transmit response information to the speech recognition to the cooking apparatus, obtain a menu requested by the user based on the received speech data, and transmit a cooking time and a cooking temperature for the obtained menu to the cooking apparatus; and a second server configured to store information about at least one recipe for a plurality of menus, perform communication with the first server, and transmit the information about at least one recipe to the first server.

Abstract: A cooling module for a parallel type power module of an inverter may include parallel type power modules configured to be disposed in three or more columns and rows, wherein three parallel type power modules are disposed to correspond to U, V, and W phases of the inverter in the three or more rows in each of the three or more columns, a first cooling water passage having a passage through which cooling water flows and configured to be brought into contact with an upper surface and a lower surface of a power module disposed at a first row, and a second cooling water passage having a passage through which the cooling water flows and configured to be brought into contact with an upper surface and a lower surface of a power module disposed at a third row.

Abstract: A semiconductor memory device includes a memory cell array and a peripheral circuit. The memory cell array includes at least two planes. The peripheral circuit performs a memory operation on a selected plane of the at least two planes during a single plane operation and performs a dummy operation on an unselected plane of the at least two planes.