Abstract: Provided is a compound of Chemical Formula 1: wherein: A1 represents Chemical Formula 1-a: the dotted line fuses with an adjacent ring, X is O or S, Ar1 is a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; D is deuterium; L is a single bond, or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing at least one of N, O and S; A2 is Chemical Formula 1-b or 1-c: L1 and L2 are independently a single bond, or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing at least one of N, O and S; Ar2 to Ar5 are independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing at least one of N, O and S; and n is 0 to 5, and an organic light-emitting device including the same.

Abstract: A memory system may include: a memory device including a plurality of memory blocks; and a memory controller configured to receive a write request including a logical address from an outside, to store write data corresponding to the write request in a first memory block among the plurality of memory blocks, wherein when a map information update is required and the write request is a sequential write operation, to store, in a second memory block, offset information related to a page of the first memory block in which the write data is lastly stored.

Abstract: One or more embodiments of the disclosure provides a light-emitting element including an N-type semiconductor layer, a P-type semiconductor layer, an active layer between the N-type semiconductor layer and the P-type semiconductor layer, and an insulating layer on a semiconductor stacked structure including the N-type semiconductor layer, the P-type semiconductor layer, and the active layer, and including a first insulating structure and a second insulating structure, the first insulating structure being between the semiconductor stacked structure and the second insulating structure and including a metal oxide including two or more metal elements.

Abstract: A sensor-driving actuator is provided, which includes an image sensor; an OIS carrier to which the image sensor is mounted and which moves the image sensor in at least one of a first direction perpendicular to the optical axis direction or a second direction perpendicular to the first direction; an AF carrier for moving the image sensor in the optical axis direction; a first housing accommodating the OIS carrier and the AF carrier; a flexible circuit board which extends from an upper portion of the OIS carrier to which the image sensor is mounted, and which bends, along the outer surface of the first housing, in each of the optical axis direction and the direction perpendicular to the optical axis direction; and a second housing accommodating the first housing.

Abstract: A cell unit includes a plurality of battery cells disposed on both surfaces of a unit plate. A case accommodates the cell unit and provided with a cooling device on at least one surface of the case. The unit plate includes a plurality of receiving spaces formed by a plate portion, having a flat surface, and a side portion protruding upwardly and downwardly of the plate portion from both sides of the plate portion. The plurality of battery cells are received in each of the receiving spaces.

Abstract: A fuel cell system and a method of controlling the system are provided. The fuel cell system includes: a fuel cell having a plurality of cells to generate power through a reaction between hydrogen supplied to an anode space and oxygen supplied to a cathode space; a power storage device to be charged with power generated by the fuel cell or discharged to supply power; and a controller. The controller recirculates hydrogen, diffused from the anode space to the cathode space, into the anode space by supplying power charged in the power storage device to the fuel cell when the power generation of the fuel cell is stopped. The controller is configured to control whether to supply the power to the fuel cell based on a pressure measured in the anode space and voltages of the cells that constitute the fuel cell.

Abstract: An anode active material for a secondary battery according to an embodiment of the present disclosure includes an anode current collector, and an anode active material layer on at least one surface of the anode current collector. The anode active material layer includes an anode active material that includes a natural graphite and an artificial graphite. The artificial graphite has a form of single particles. An orientation index expressed as I(004)/I(110) is 15 or less.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A handover method for a terminal according to one embodiment of the present disclosure may include: receiving, from a source cell, a message including information on one or more target cells for performing a fast handover; and performing a fast handover by reusing a radio bearer based on the received information.

Abstract: A method and a device capable of supporting various display methods using an electronic device and/or glasses-type wearable electronic device (e.g., AR glasses) in an augmented reality (AR) are provided. An AR providing device for AR services includes a display and a processor. The processor is configured to provide content through an AR screen, detect a specified external object through the AR screen while providing the content, determine a display mode for providing the content, based on detection of the specified external object, control to display the content through a display of the specified external object, based on the determined display mode, and perform control to display the content through a virtual display area associated with the specified external object on the AR screen, based on the determined display mode.

Abstract: Controlling a speed limit includes determining a virtual vehicle speed as being a lower one of a vehicle speed and a target limit speed, determining a virtual APS value as being a larger one of a first APS value and a second APS value, transitioning to a second mode at a point in time at which an actual APS value and the second APS value become different, when it is expected to transition to the second mode, among a first mode for sustaining a SOC of a battery at the target limit speed and the second mode for depleting the SOC, and determining a transmission gear position by applying the determined virtual vehicle speed and the determined virtual APS value to one of a first shifting pattern and a second shifting pattern.

Abstract: Disclosed are an apparatus for distributing power of an electric vehicle and a method thereof capable of optimally improving the energy consumption efficiency of the electric vehicle by predicting a vehicle speed for a predetermined time using a learned vehicle speed prediction model, determining wheel power based on the vehicle speed, and distributing the wheel power to a front wheel drive motor and a rear wheel drive motor. The apparatus includes a storage that stores a vehicle speed prediction model in which learning is completed, and a controller that predicts a vehicle speed for a preset time using the vehicle speed prediction model, determines wheel power based on the vehicle speed, and distributes the wheel power to a front wheel drive motor and a rear wheel drive motor.

Abstract: A memory system is provided and includes memory chips in each of which a first state output pin is arranged and a memory controller in which a first state input pin connected to a first channel including first ways respectively connected to the first state output pins arranged in the memory chips is arranged. The memory controller checks a first internal state of each of the memory chips, based on one or more of a chip enable signal and a CE reduction command of the memory chips, and a second signal received through the first state input pin as a result of an AND operation of first signals output through the first state output pins, during a state check interval for checking respective states of the memory chips.

Abstract: An image sensor includes a plurality of unit pixels, each including: a substrate including first and second sides which are opposite to each other, a photoelectric conversion layer in the substrate, and a wiring structure on the first side of the substrate. The wiring structure may include: a first capacitor, a second capacitor spaced from the first capacitor, a plurality of edge vias arranged along edges of the unit pixel, and a plurality of central vias interposed between the first capacitor and the second capacitor.

Abstract: Provided are a hyperparameter optimizer and method for optimizing hyperparameters and a spiking neural network processing unit. The optimizer includes a statistical analyzer configured to receive training data and perform statistical analysis on the training data, an objective function generator configured to generate hyperparameter-specific objective functions by using a statistical analysis value of the statistical analyzer, and an optimal hyperparameter selector configured to select optimal hyperparameters according to certain rules on the basis of the hyperparameter-specific objective functions.

Abstract: A stereoscopic display device including a barrier panel is provided. When a viewing distance of a viewer is out of the proper range, the stereoscopic display device may shift the blocking regions and the transmitting regions of the barrier panel. The stereoscopic display device may maintain the ratio of channels located within a barrier blocking region and a barrier transmitting region of the barrier panel by using the channels disposed within trigger regions of the barrier panel. Thus, the stereoscopic display device may provide a stereoscopic image of good quality to the viewer located at a region being out of the proper range.

Abstract: A battery pack includes a battery module configured to accommodate a number of battery cells, and a lower protective cover including a lower panel detachably coupled to a lower portion of the battery module and a number of buffer parts on one surface of the lower panel. A structure of the lower protective cover of the battery pack may be improved to absorb an impact from a lower side of a vehicle. A cross-sectional shape of the buffer part of the lower protective cover may be changed to adjust and design an impact absorption value.

Abstract: A brake lamp control method of a vehicle is provided. The method includes determining whether a deceleration of the vehicle based on regenerative brake through the electric motor is present in a hysteresis period between an off threshold as a reference for turning off a brake lamp and an on threshold as a reference for turning on the brake lamp. When the deceleration of the vehicle is present in the hysteresis period, the method includes determining a state of the brake lamp before the deceleration of the vehicle enters the hysteresis period. In response to determining that the brake lamp is turned on or off for a reason except for the regenerative brake before the deceleration of the vehicle enters the hysteresis period, a request for turning on the brake lamp is set or reset based on the regenerative brake in response to the determined state of the brake lamp.

Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.

Abstract: An embodiment vehicle door opening/closing system includes an inner panel defining a door open portion of a vehicle, the inner panel including an installation groove having a protruding or recessed shape, a driving device disposed in the installation groove of the inner panel, and a link mechanism installed on a chassis through a rotating shaft, a first end of the link mechanism being connected to the driving device such that power is transferred thereto, and a second end of the link mechanism being connected to a door such that, during driving of the driving device, the link mechanism rotates with reference to the rotating shaft to open/close the door.

Abstract: A battery module includes a module housing including a first plate in which one side is open, a second plate coupled with the first plate to form an internal space, and a partition member disposed across the internal space to couple the first plate with the second plate; and a battery cell stack disposed in the internal space, in which a plurality of battery cells are stacked.