Abstract: An atomic layer etching method using a ligand exchange reaction may include a substrate providing step of putting a substrate with a thin film formed thereon into a reaction chamber, a halogenated thin film forming step of forming a halogenated thin film on a surface of the thin film by infusing a halogenated gas into the reaction chamber, and an etching step of etching the halogenated thin film by infusing a ligand without a metal or metal precursor into the reaction chamber with the substrate with the halogenated thin film.

Abstract: An electronic device is provided. The electronic device includes a touch sensor, a processor, and a memory. The processor may determine a touch input from a user as at least one of a force-touch input or a long-touch input, based on received touch data, determine whether a result of determining the touch data matches an intention of the user, store data that does not match the intention of the user as a result of determination among the touch data in the memory, and determine a type of an artificial intelligence (AI)-based pre-learning model to be used in the electronic device, based on touch input accuracy and the data that does not match the intention of the user.

Abstract: An integrated circuit (IC) device includes: a fin-type active area protruding from a substrate and extending in a first horizontal direction; a first nanosheet disposed above an upper surface of the fin-type active area with a first separation space therebetween; a second nanosheet disposed above the first nanosheet with a second separation space therebetween; a gate line extending on the substrate in a second horizontal direction intersecting the first horizontal direction, at least a portion of the gate line being disposed in the second separation space; and a bottom insulation structure disposed in the first separation space.

Abstract: A semiconductor device includes channels, a gate structure, and a source/drain layer. The channels are disposed at a plurality of levels, respectively, and spaced apart from each other in a vertical direction on an upper surface of a substrate. The gate structure is disposed on the substrate, at least partially surrounds a surface of each of the channels, and extends in a first direction substantially parallel to the upper surface of the substrate. The source/drain layer is disposed at each of opposite sides of the gate structure in a second direction substantially parallel to the upper surface of the substrate and substantially perpendicular to the first direction and is connected to sidewalls of the channels. A length of the gate structure in the second direction changes along the first direction at a first height from the upper surface of the substrate in the vertical direction.

Abstract: This application discloses a perspective rotation method in a virtual environment associated with a virtual player of an application performed by a terminal. The method includes: displaying a first perspective picture of the application observed in a first observation direction of the virtual player in the virtual environment; receiving a perspective rotation operation by a user of the terminal; determining a range within which a speed of the perspective rotation operation falls; and; and rotating from the first perspective picture to a third perspective picture observed in a third observation direction of the virtual player in the virtual environment, a second angular difference between the third observation direction and the first observation direction being proportional to an angular velocity corresponding to the range of the speed of the perspective rotation operation.

Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light emitting device comprising the same, a method for preparing the same, and a composition for organic layer.

Abstract: The present invention provides a method of preparing a recycled cementitious material by a phosphogypsum-assisted carbon sequestration pretreatment process. The method includes: (1) placing 100 mass parts of phosphogypsum, 1 to 2 mass parts of grinding aid, 10 to 20 mass parts of sodium-containing alkali component, 150 to 300 mass parts of zirconia balls, and 150 to 300 mass parts of water into a wet grinding tank for wet grinding. After 10 min to 30 min of wet grinding, introducing CO2 at a flow rate of 1.5 to 2.2 mass parts/min to keep a temperature of a wet grinding slurry below 40° C. When the wet grinding slurry reaches pH=10, ending the wet grinding and sieving out a wet grinding slurry; (2) mixing the wet grinding slurry with 700 to 1000 mass parts of slag and 100 to 350 mass parts of water to obtain a recycled cementitious material.

Abstract: A base station may include a processor configured to configure a default time period for periodic service requests for discontinuous reception (DRX) for user equipment (UE) devices serviced by the base station. The processor may be further configured to obtain a signal quality value for a UE device serviced by the base station; determine that the obtained signal quality value is less than a low signal quality threshold; and configure a longer time period for the periodic service requests for DRX for the UE device, in response to determining that the obtained signal quality value is less than the low signal quality threshold.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

Abstract: Methods, devices, and systems for light detection are provided. In one aspect, a light detection device includes a light emitter array, a light detector array, and a controller. The light emitter array includes a plurality of light emitters configured to output transmission signals. The light detector array includes a plurality of light detectors configured to detect echo signals of the transmission signals reflected off an obstacle. The light emitter array and the light detector array are configured to form a plurality of detection channels, and each detection channel includes at least one light emitter and at least one light detector. The controller is configured to, during a signal transmission process, select multiple light emitters to emit light in parallel. Fields of view (FOVs) of the multiple light emitters that emit light in parallel are separate from each other within a detection distance.

Abstract: A Lidar system and method is provided for adaptive control. The Lidar system comprises: an array of emitters each of which is individually addressable and controlled to emit a multi-pulse sequence, at least a subset of the emitters are activated to emit multi-pulse sequences concurrently according to an emission pattern; an array of photosensors each of which is individually addressable, at least a subset of the photosensors are enabled to receive light pulses according to a sensing pattern, each of the subset of photosensors is configured to detect returned light pulses returned and generate an output signal indicative of an amount of optical energy associated with at least a subset of the light pulses; and one or more processors electrically coupled to the array of emitters and the array of photosensors and configured to generate the emission pattern and the sensing pattern based on one or more real-time conditions.

Abstract: A network device of a core network may maintain a mapping table that maps core network slices with quality of service (QoS) class identifiers (QCIs) based on service profile identifiers (SPIDs), and may receive, from a user device, a request for service with a particular QCI included in the QCIs of the mapping table. The network device may identify a particular SPID of the SPIDs in the mapping table based on the particular QCI of the service, and may generate a flow request based on the particular SPID. The network device may cause the flow request to be provided to a radio access network (RAN) associated with the user device, to cause the RAN to select a RAN slice for provision of the service to the user device.

Abstract: The present technology relates to multifunctionalized thiol conductor compounds which can be grafted onto polymers, and methods for making same. In certain embodiments, the compounds of the present technology can be grafted onto polymers having low Tg to synthesize single-ion conducting polymer electrolytes having improved conductivity. The multifunctionalized thiol conductor compounds of the present technology generally comprise more than one sulfonamide anion covalently attached to a substitutable core (A) via a sulphide bond, a thiol functional group and optionally a hydrocarbon side chain (L) attached to the substitutable core (A).

Abstract: A dynamic hashing apparatus includes a processor configured to obtain a target segment based on at least a part of a key value of an insertion request, compute a hash value by applying a remapping function corresponding to the obtained target segment to an input value based on the key value, and update the remapping function by adjusting a slope of the remapping function in response to the key value not being insertable into a target bucket selected based on at least a part of the computed hash value from among buckets included by the target segment.

Abstract: LiDARs and distance measuring methods are provided. In one aspect, a LiDAR includes: a laser emitting device, a control device, a detection device, and a data processing device. The control device is configured to generate a trigger signal based on a time sequence random number. The laser emitting device includes at least one laser and at least one driver coupled with the at least one laser, and a driver is configured to drive a laser coupled to the driver to emit a laser pulse signal according to the trigger signal. The detection device is configured to receive an echo signal of the laser pulse signal reflected by an object and convert the echo signal into an electrical signal. The data processing device is configured to determine distance information of the object based on an emission time of the laser pulse signal and a reception time of the echo signal.

Abstract: Disclosed are systems and methods for providing a differentiated neighbor list that can be individually generated for a specific service (e.g., per service) based on network service information, which can include, but is not limited to, a user equipment (UE) group identifier (ID), network slicing and/or quality of service (QoS) flow, and the like. Neighbors within the differentiated list can be characterized based on, but not limited to, service types, distance to devices, transport costs, service locations, and the like, or some combination thereof. The disclosed framework can generate and dynamically update a differentiated neighbor list for specific types of services so that optimal neighbor selection is performed for the type of service a UE is operating within to ensure that a network connection is maintained at a threshold satisfying QoS.

Abstract: This application discloses a method for perspective rotation in a virtual environment performed at a terminal. The method includes: displaying a first perspective image of an application program associated with the virtual environment, a first function control and a second function control being overlaid on the first perspective image; receiving a first perspective rotation operation triggered based on the first function control; enabling a first function and a perspective rotation function of the first function control, and switching the first perspective image to a second perspective image; receiving a second perspective rotation operation triggered based on the second function control while the first function control is in an enabled state; and disabling the perspective rotation function of the first function control, enabling a second function and a perspective rotation function of the second function control, and switching the second perspective image to a third perspective image.