Abstract: The present disclosure relates to a battery management system and method for diagnosing abnormal deterioration of a battery cell, and provides the battery management system including an SOC calculation unit for calculating a state of charge (SOC) of a plurality of battery cells, a change amount calculation unit for calculating, for each of the plurality of battery cells, an SOC change amount that is a change amount of the calculated SOC during a preset period and an SOC change amount average that is an average of the SOC change amount of all the plurality of battery cells, and an abnormal deterioration diagnosis unit for diagnosing an abnormal deterioration of each of the plurality of battery cells using the SOC change amount and the SOC change amount average thereby accurately diagnosing abnormal deterioration of battery cells.

Abstract: An apparatus for diagnosing a battery cell according to an embodiment may include a voltage measurer that measures a voltage of each battery cell of a battery module in a state of an open circuit voltage of a battery, a memory that stores the measured voltage at predetermined time intervals, and an abnormality detector that compares a current measured voltage with a measured voltage before a preset time for each battery cell and determines that an abnormality has occurred in a first battery cell among the battery cells when a difference between the current measured voltage of the at least one battery cell and the measured voltage of the at least one battery cell before the preset time exceeds a reference value.

Abstract: An integrated circuit device includes a device isolation trench defining an active area, a gate trench extending in a first direction across the active area and the device isolation film, a gate dielectric film covering an inner wall of the gate trench, and a conductive line filling a part of the gate trench above the gate dielectric film. The active area includes a fin body portion located under the conductive line, and a thinner fin portion protruding from the fin body portion toward the conductive line and having a width less than a width of the fin body portion in the first direction.

Abstract: A composite photocatalyst, a photocatalytic filter for air purification, and an air purification device that includes the photocatalytic filter. The composite photocatalyst includes: a first metal oxide particle; and second metal oxide particles arranged on a surface of the first metal oxide particle, wherein specific surface area of the second metal oxide particles is greater than specific surface area of the first metal oxide particle, and bandgap energy of the second metal oxide particles is greater than bandgap energy of the first metal oxide particle. The composite photocatalyst structure may degrade and remove gaseous pollutants under room temperature and atmospheric pressure conditions. The composite photocatalyst may be applied to various indoor and outdoor air purification systems in the form of a photocatalytic filter.

Abstract: A battery diagnosis apparatus according to the present disclosure includes a voltage measurer for measuring a cell voltage of each of first to nth battery cells and a processor, wherein n is a natural number of 2 or greater. The processor determines an average cell voltage of each battery cell for a first rest period from a first time point to a second time point, based on the cell voltage of each battery cell measured a first number of times for the first rest period, determines an average cell voltage of each battery cell for a second rest period and diagnoses a fault of each battery cell based on the average cell voltage of each battery cell for the first rest period and the average cell voltage of each battery cell for the second rest period.

Abstract: In one embodiment, a method includes receiving user behavior data and contextual information associated with the user behavior data, the contextual information including a first data portion associated with a first context type. The method includes generating, from the user behavior data and the contextual information using a hashing algorithm, a first heterogeneous hash code including a first portion representing the user behavior data and a second hash code portion representing the first data portion associated with the first context type. The method includes accessing a second heterogeneous hash code including a third hash code portion representing a second data portion associated with the first context type. The method includes comparing the first heterogeneous hash code with the second heterogeneous hash code including determining similarity between the second hash code portion of the first heterogeneous hash code and the third hash code portion of the second heterogenous hash code.

Abstract: The blocker described comprises: a lens illumination light source; a light transmission and reflection device to reflect/transmit the light; an image sensor to detect light reflected by the light transmission and reflection device and thereby obtain an lens image; a lens meter to detect the light that has passed through the light transmission and reflection device to thereby measure lens characteristics; and a blocking member to attach a leap block to the lens. The light transmission and reflection device comprises: a first reflection plate having a central hole; a first rotating cylinder to be coupled to and to rotate the first reflection plate; a second rotating cylinder located inside and to rotate the first rotating cylinder; a second reflection plate, adjusted by the second rotating cylinder and configured to open or block the central hole in the first reflection plate; and driving means configured to drive the second rotating cylinder.

Abstract: A lithium precipitation detecting apparatus according to an embodiment of the present disclosure includes a measuring unit configured to calculate a charge amount of a battery in a charging process and calculate a discharge amount of the battery in a discharging process; and a control unit configured to estimate a state of charge (SOC) of the battery in the charging process and the discharging process and determine whether lithium precipitation occurs in the battery based on the estimated SOC, the charge amount and the discharge amount.

Abstract: An overlay mark, an overlay measurement method using the same, and a manufacturing method of a semiconductor device using the same are provided. The overlay mark is for measuring an overlay based on an image, is configured to determine a relative misalignment between at least two pattern layers, and includes first to fourth overlay marks. The first overlay mark has a pair of first Moire patterns disposed on a center portion of the overlay mark. The second overlay mark has a pair of second Moire patterns disposed so as to face each other with the first Moire patterns interposed therebetween. The third overlay mark has a pair of third Moire patterns disposed on a first diagonal line with the first Moire patterns interposed therebetween. The fourth overlay mark has a pair of fourth Moire patterns disposed on a second diagonal line with the first Moire patterns interposed therebetween.

Abstract: A method implemented by one or more computing systems includes accessing content viewing data associated with a first user account, wherein the first user account is associated with one or more client devices. The content viewing data includes temporal-based content viewing data. The method further includes determining, using one or more sequence models, a set of content viewing features based on the temporal-based content viewing data, and concatenating the content viewing features into a single computational array. The method further includes providing, through one or more dense layers of a deep-learning model, the single computational array to an output layer of the deep-learning model, and calculating, based on the output layer, one or more probabilities for one or more labels for the first user account. Each label includes a predicted attribute for the first user account.

Abstract: An air purifier includes a hollow reactor extending in one direction, a discharge plasma generator including a first electrode disposed on an outer wall of the reactor and a second electrode which is disposed inside the reactor and generates discharge plasma in a predetermined discharge region, a plurality of dielectric particles disposed in a packed-bed of the reactor, and a liquid supply unit which supplies fine droplets into the inside of the reactor.

Abstract: An air purifier includes an air inlet portion through which polluted air flows in, a plasma reaction portion connected to and in fluid communication with the air inlet portion and including a discharge region generating discharge plasma, a gas-liquid mixing portion connected to and in fluid communication with the plasma reaction portion, and including a gas-liquid mixing portion housing, a droplet spraying device arranged in the gas-liquid mixing portion housing and including at least one spray nozzle spraying fine droplets, and a fluid mixing device which mixes the fine droplets with first purified air transferred from the plasma reaction portion, and a gas-liquid contact portion connected to and in fluid communication with the gas-liquid mixing portion, defining micro-channels through which a gas-liquid mixture fluid transferred from the gas-liquid mixing portion passes, and including an impactor which captures droplets from the gas-liquid mixture fluid.

Abstract: A battery management apparatus according to an embodiment of the present invention includes a state of health (SOH) calculating unit calculating an SOH of each of a plurality of battery cells and a balancing target determining unit selecting, as a second battery cell, a battery cell having a state of charge (SOC) difference from a first battery cell having a lowest SOC among the plurality of battery cells, the SOC difference being greater than or equal to a reference value, and determining a balancing target by comparing an SOH of the first battery cell with an SOH of the second battery cell.

Abstract: An integrated circuit device includes a device isolation trench defining an active area, a gate trench extending in a first direction across the active area and the device isolation film, a gate dielectric film covering an inner wall of the gate trench, and a conductive line filling a part of the gate trench above the gate dielectric film. The active area includes a fin body portion located under the conductive line, and a thinner fin portion protruding from the fin body portion toward the conductive line and having a width less than a width of the fin body portion in the first direction.

Abstract: In one embodiment, a computer-implemented method includes acquiring sequential user behavior data including one-dimensional data. The user behavior data is associated with a user. The method includes abstracting features from the sequential user behavior data to cover short-term and long-term timeframes. The method includes determining one or more properties of the user based on the features.

Abstract: Provided are an overlay mark, and an overlay measurement method and a semiconductor device manufacturing method using the overlay mark. Specifically, provided is an overlay mark for determining relative misalignment between two or more pattern layers or between two or more patterns separately formed in one pattern layer, the overlay mark including a first overlay mark positioned in the center, a second overlay mark positioned above and below the first overlay mark or on the left and right thereof, and a third overlay mark and a fourth overlay mark each positioned in a diagonal line with the first overlay mark in between.

Abstract: A recyclable ceramic catalyst filter, a filtering system including the same, and a method of managing the filtering system are provided. The ceramic catalyst filter has a monolithic structure including a first surface which blocks a first material; and a second surface which removes a second material that passed through the first surface, where the second surface is activated and operates as a catalyst layer which removes the second material in response to energy supplied to the second surface.

Abstract: A battery pack according to an embodiment of the present disclosure may include a plurality of battery cells and a BMS for controlling the battery pack. The BMS may include a state-of-charge (SOC) calculation module for calculating a SOC of each of the plurality of battery cells included in the battery pack and a faulty battery cell detection unit for detecting at least one faulty battery cell on the basis of the calculated SOC of each of the plurality of battery cells.

Abstract: An integrated circuit device includes a device isolation trench defining an active area, a gate trench extending in a first direction across the active area and the device isolation film, a gate dielectric film covering an inner wall of the gate trench, and a conductive line filling a part of the gate trench above the gate dielectric film. The active area includes a fin body portion located under the conductive line, and a thinner fin portion protruding from the fin body portion toward the conductive line and having a width less than a width of the fin body portion in the first direction.

Abstract: A display device includes a display module, a first support film disposed under the display module, a second support film disposed under the first support film, a plurality of first support bars disposed on a lower surface of the first support film between the first support film and the second support film, and a plurality of second support bars disposed on an upper surface of the second support film between the first support film and the second support film. The plurality of first support bars and the plurality of second support bars are alternately arranged.