Abstract: Operating a selector device that controls access of a signal to a memory element may comprise applying a main operating voltage pulse and a refresh voltage pulse to the selector device. The refresh voltage pulse and main operating voltage pulse have opposite polarities. A magnitude of the main operating voltage pulse is greater than or equal to a threshold voltage for turning on the selector device, and a maximum magnitude of the refresh voltage pulse is less than the threshold voltage. The refresh voltage pulse reduces a difference between the threshold voltage and a turn-off voltage of the selector device, and may be applied immediately before or immediately after the main operating voltage pulse. An electronic circuit may include the selector device and a driving circuit for apply the pulses. A nonvolatile memory may include the driving circuit and a plurality of nonvolatile memory elements each including a selector device.

Abstract: Provided is a display device including a display panel, an optical sensor, a timing controller, a scan driver, a data driver, and an image controller. The timing controller controls an image refresh rate of the display panel based on are fresh rate control signal. Thus, the display device provides improved visibility.

Abstract: A shoe care device includes an inner cabinet that has an accommodation space configured to accommodate shoes therein, an inlet defined at a first portion of the accommodation space and configured to supply air to the accommodation space, and an outlet defined at a second portion of the accommodation space and configured to suction air from the accommodation space. The shoe care device further includes a connection path configured to circulate air between the inlet and the outlet, a blowing fan disposed at the connection path and configured to blow air from the outlet toward the inlet, a dehumidifying material disposed at the connection path and configured to dehumidify the air blown by the blowing fan, a heater configured to heat the dehumidifying material, and a regeneration path configured to guide, to a location other than the inlet, the air having passed through the dehumidifying material heated by the heater.

Abstract: An embodiment computer-implemented method for predicting an intention of a user includes receiving from a vehicle first utterance data obtained by converting a voice command of the user into text, performing natural language understanding to attempt to decide the intention of the user from the first utterance data, predicting the intention of the user using stored pattern data in response to failing to decide the intention of the user, wherein the stored pattern data includes a plurality of patterns and confidence generated based on second utterance data received from each of a plurality of vehicles that are unable to decide the intention of the user and subsequent action data, generating a prompt suggesting an operation based on the predicted intention, and transmitting the prompt to the vehicle.

Abstract: An embodiment joint structure of a vehicle body includes a front body module fixed to a front portion of a center floor member of an underbody of the vehicle body, wherein the front body module is a fixed part, a rear body module detachably fixed to a rear portion of the center floor member and a rear portion of the front body module in a set shape, wherein the rear body module is a variable part, a plurality of center floor member coupling modules disposed on the center floor member at the rear portion of the front body module, and a plurality of variable part coupling modules disposed at a lower side of the rear body module and configured to be coupled to the center floor member coupling modules by electromagnetic force.

Abstract: An embodiment joint structure for a vehicle body includes a front body module that is a stationary part fixable to a front part of an under body of the vehicle body, a rear body module that is a variable part having a preset shape, the rear body module being attachable to and detachable from a rear part of the under body and a rear part of the front body module, a plurality of stationary part coupling modules disposed on an upper end surface portion of a rear edge of the front body module, and a plurality of variable part coupling modules disposed on an upper end surface portion of a front edge of the rear body module and couplable to the stationary part coupling modules by an electromagnetic force.

Abstract: A method of pose tracking, a method of generating a stable key frame for pose tracking, a portable device, and a head-mounted display are provided. The method of pose tracking includes: receiving a stable key frame from the head-mounted display; receiving map data from the head-mounted display; determining whether the stable key frame is available according to information, wherein the information is obtained from the head-mounted display; and in response to the stable key frame being available, updating a map for the pose tracking according to the stable key frame and the map data.

Abstract: A storage device includes: at least one nonvolatile memory device configured to store or read data; and at least one controller configured to: control the at least one nonvolatile memory device, perform at least one workload of a plurality of workloads, based on at least one parameter, perform a tuning for improvement of a performance and a Quality-of-Service (QOS) conformity with a first storage device associated with the workload, and wherein the at least one controller is further configured to individually perform the tuning for each of the plurality of workloads that are different kinds.

Abstract: The present invention relates to: a method for preparing a non-oxidized carbon nanotube dispersion through mechanical impregnation so as to apply carbon nanotubes having a hydrophobic surface and a bundle shape as a high-performance conductive material of a negative electrode or a positive electrode for a secondary battery through solvent dispersion without acid treatment; and a non-oxidized carbon nanotube dispersion for a conductive material of a secondary battery, prepared by the method.

Abstract: An inductor assembly includes a first magnetic core, a second magnetic core, a winding and a bonding material layer. The second magnetic core includes a channel. The winding is disposed within the channel. The bonding material layer is disposed between the first magnetic core and the second magnetic core and includes a first bonding material and a second bonding material. A magnetic permeability of the first bonding material is greater than a magnetic permeability of the second bonding material. The first bonding material and the second bonding material are disposed on the second magnetic core. A surface of the first bonding material faced to the first magnetic core and a surface of the second bonding material faced to the first magnetic core are coplanar with each other.

Abstract: A surgical instrument includes a manipulation part coupled to an end tool connection part and formed to control an operation of an end tool, and a driving unit formed to be detachably attached to the manipulation part and formed to supply a driving force for the operation of the end tool through the manipulation part.

Abstract: A power semiconductor device includes a substrate, a first epi layer of a first conductivity type disposed on the substrate, a second epi layer of a first conductivity type disposed on the first epi layer, a first well of a second conductivity type partially disposed in the first epi layer, a second well of a second conductivity type disposed on the second epi layer, an ion implantation region and a source region of the second conductivity type disposed in the second well, a source electrode in the source region, a gate insulating layer in a trench region where a portion of the ion implantation region and the second epi layer is removed, a trench gate disposed on the gate insulating layer, an interlayer insulating layer disposed on the trench gate and a gate electrode electrically connected to the trench gate.

Abstract: An electronic device includes a housing, a slot disposed in an interior of the housing, wherein the slot is configured to permit an electronic module inserted into the slot, a cooling member disposed outside the slot to cool the electronic module, and a heat transfer member configured to be connected to the electronic module to transfer heat from the electronic module to the cooling member.

Abstract: Disclosed herein is a battery pack. The battery pack can include a plurality of battery cells, a pack case defining a housing configured to accommodate the battery cells, a first venting path extending across the pack case, and a second venting path extending along at least one peripheral side of the pack case. The first venting path can provide a conduit for a gas generated from any of the battery cells. The second venting path can be in fluid communication with the first venting path and an opening on the pack case such that the gas from the battery cells is configured to travel from the first venting path to the second venting path and to be discharged from the battery pack via the opening.

Abstract: A display device may include: a first data line electrically connected to a first thin film transistor; a first pixel electrode electrically connected with the first thin film transistor; a second data line electrically connected to a second thin film transistor; a second pixel electrode electrically connected with the second thin film transistor; a first touch sensing electrode corresponding to the first pixel electrode and insulated from the first pixel electrode; a second touch sensing electrode corresponding to the second pixel electrode and insulated from the second pixel electrode; a first sensing line electrically connected with the first touch sensing electrode; and a second sensing line electrically connected with the second touch sensing electrode, wherein the first data line overlaps with the first touch sensing electrode and the second touch sensing electrode, and the second data line overlaps with the first touch sensing electrode and the second touch sensing electrode.

Abstract: A lithium secondary battery separator with excellent adhesive strength and air permeability is disclosed. The lithium secondary battery separator includes a porous polymer substrate; and a porous coating layer containing inorganic particles and a binder. When the binder is present as a binder specimen with a thickness of 0.4 mm after pressurization at 190° C., the binder specimen comprises a first binder having a tan ? peak at 15° C. to 27.6° C. and a second binder having a tan ? peak at 8° C. to 20.2° C., as measured by dynamic mechanical analysis (DMA).

Abstract: A multilayer electronic component includes: a body including dielectric layers and first and second internal electrodes and having first to sixth surfaces; a first external electrode including a first connection portion, disposed on the third surface, and a first band portion extending from the first connection portion onto a portion of the first surface; a second external electrode including a second connection portion, disposed on the fourth surface, and a second band portion extending from the second connection portion onto a portion of the first surface; an insulating layer disposed on the second surface and disposed to extend to the first and second connection portions; a first plating layer disposed on the first band portion; and a second plating layer disposed on the second band portion. The insulating layer includes a fluorine-based organic material.

Abstract: A semiconductor device including a first insulating structure on a substrate and including a first etch stop layer and a first interlayer insulating layer on the first etch stop layer, a second insulating structure on the first insulating structure and including a second etch stop layer and a second interlayer insulating layer on the second etch stop layer, a conductive line penetrating through the second insulating structure, and extending in a first direction parallel to an upper surface of the substrate, and a plurality of contacts penetrating through the first insulating structure and connected to the conductive line may be provided. The conductive line may include a protrusion extending below the second insulating structure and penetrating through the first interlayer insulating layer to be in contact with the first etch stop layer.

Abstract: A method of heating catalyst through system cooperation implemented by a vehicle may enable the start of an engine of a part load among engine operation modes to heat a catalyst even in a cold quick acceleration situation with a lock-up CH control by locking up an engine clutch through system cooperation implemented by mutually exchanging information between controllers of an engine management system (EMS) and a hybrid control unit (HCU) by applying a lock-up CH control logic which retards a lock-up CH ignition angle compared to an idle CH control logic of the conventional method, thereby improving the regulation responsiveness, fuel efficiency, and merchantability relatively compared to the idle CH even while having the advantages of the idle CH in which quick lambda feedback control for an engine is possible.