Abstract: Disclosed is a refrigerator configured to perform artificial intelligence (AI) algorithms and/or machine learning algorithms, communicate with other electronic devices and external servers in a 5G communication environment, and provide information based on an image. The refrigerator includes a camera, a display, and a processor. Accordingly, various services can be provided to improve user convenience by accurately identifying a photographing target.

Abstract: A motion assistance apparatus includes a waist frame configured to support a waist of a user, and a proximal support configured to support a proximal part of the user. A pressure applied to a thigh of the user by the proximal support in a sitting state in which the user is sitting may be greater than a pressure applied to the thigh of the user by the proximal support in a standing state in which the user is standing upright.

Abstract: According to embodiments, a robot system configured to determine a recipe from an ingredient list obtained by detecting a type and an amount of an ingredient includes: a storage table configured to detect a weight change by a scale installed under each of cells that store ingredients according to types of the ingredients, detect the cell of which a weight is changed according to an ingredient selection of a user to identify the type of the ingredient, and identify the amount of the ingredient based on a degree of the weight change of the cell; and a robot configured to receive the ingredient list obtained from the type and the amount of the ingredient identified by the storage table from the storage table, retrieve menus to be cooked with the ingredient list, and perform cooking by determining the recipe according to a menu selected from the menus.

Abstract: A semiconductor circuit has a primary circuit that causes the light emitting element to emit light in accordance with a current flowing through a control target, and that causes the light emitting element to emit light brighter when an overcurrent flows through the control target; and a secondary circuit that is electrically insulated from the primary circuit, outputs a voltage according to a light emission amount of the light emitting element, and outputs an overcurrent detection signal indicating the brighter light emission in the light emitting element.

Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus of the present invention may comprise decoding an indicator indicating whether or not partition information of a current block is derived from partition information of a corresponding block of the current block, obtaining the partition information of the current block based on the decoded indicator, and partitioning the current block based on the obtained partition information.

Abstract: A preparation method of a vanadium oxide powder with high phase-transition latent heat includes steps of taking vanadium pentoxide, oxalic acid and PVP as raw materials, preparing a B-phase VO2 nano-powder modified by the PVP, and then annealing the B-phase VO2 nano-powder modified by the PVP at high temperature in an oxygen atmosphere, and obtaining the vanadium oxide powder with high phase-transition latent heat which includes M-phase VO2 with a mass percentage in a range of 96-99% and V6O13 with a mass percentage in a range of 1-4%, and has the phase-transition latent heat larger than 50 J/g. Compared with the vanadium oxide powder prepared by a traditional method without PVP modification and using a vacuum annealing process, the phase-transition latent heat of the vanadium oxide powder provided by the present invention is increased by at least 60%.

Abstract: A method of performing division operations in an error correction code includes the steps of receiving an output ??F†{0} wherein F=GF(2r) is a Galois field of 2r elements, ?=?0?i?r?1?i×?i wherein ? is a fixed primitive element of F, and ?i?GF(2), wherein K=GF(2s) is a subfield of F, and {1, ?} is a basis of F in a linear subspace of K; choosing a primitive element ??K, wherein ?=?1+?×?2, ?1=?0?i?s?1 ?i×?i?K, ?2=?0?i?s?1 ?i+s×?i?K, and ?=[?0, . . . , ?r?1]T?GF(2)r; accessing a first table with ?1 to obtain ?3=?1?1, computing ?2×?3 in field K, accessing a second table with ?2=?3 to obtain (1+?×?2×?3)?1=?4+?×?5, wherein ??1=(?1×(1+?×?2×?3))?1=?3×(?4+?×?5)=?3×?4+?×?3×?5; and computing products ?3×?4 and ?3×?5 to obtain ??1=?0?i?s?1?i×?i+?·?i?i?s?1?i+s=?i where ?i?GF(2).

Abstract: A semiconductor memory device includes a memory cell array, an error correction code (ECC) engine, row fault detector circuitry and control logic circuitry. The memory cell array includes a plurality of memory cell rows. The control logic circuitry controls the ECC engine circuitry to perform a plurality of error detection operations on each of the memory cell rows. The control logic circuitry controls the row fault detector circuitry to store an error parameter associated with each of a plurality of codewords in each of which at least one error is detected by accumulating the error parameter for each of a plurality of defective memory cell rows. The row fault detector circuitry determines whether a row fault occurs in each of the plurality of defective memory cell rows based on a number of changes of the error parameter.

Abstract: The disclosure provides a keyboard includes a bottom plate, a key unit and a shielding layer. The bottom plate includes a body part and a through hole. The key unit is disposed on the body part. The shielding layer covers a portion of the bottom plate and comprising a main part disposed on the body part and an extension part extending from the main part toward the through hole, wherein the extension part has a hole with a size larger than or substantially equal to a size of the through hole.

Abstract: Aqueous acid binary silver-bismuth alloy electroplating compositions and methods enable electroplating silver rich binary silver-bismuth deposits. The aqueous acid binary silver-bismuth alloy electroplating compositions include thiol terminal aliphatic compounds having carboxyl or sulfonic groups which enable deposition of silver rich binary silver-bismuth alloys having deposits which are matte to semi-bright, uniform and have a low coefficient of friction.

Abstract: Provided is an Artificial Intelligence (AI) system for simulating a human brain's functions, such as recognition, decision, etc., by using a machine learning algorithm such as deep learning, etc. and applications of the AI system. Provided is an electronic device including: a camera configured to capture an outside image of a vehicle, and a processor configured to execute one or more instructions stored in a memory, wherein the processor executes the one or more instructions to: determine, from the captured image, at least one object for estimating lane information; estimate, from the image, lane information of a road on which the vehicle is traveling, based on a distance between the determined at least one object and the vehicle and a vanishing point of the image; and output guide information for guiding driving of the vehicle based on the estimated lane information.

Abstract: A processor-implemented method includes: determining a first multiplication matrix and a second multiplication matrix, based on an input multiplicand matrix and an input multiplier matrix that are generated from an input signal; determining a matrix to be restored, based on the first multiplication matrix and the second multiplication matrix; determining a matrix restoration constraint value, based on the matrix to be restored; determining a multiplication result of the input multiplicand matrix and the input multiplier matrix, based on the matrix restoration constraint value and the matrix to be restored; and analyzing the input signal based on the multiplication result.

Abstract: A process for securely processing a search query for homomorphically encrypted search results is provided. The process includes receiving a search query from a requesting device, the search query including a request for encrypted data stored in a data store operably coupled to the one or more processors. The process further includes executing a search function to access a set of search results from the data store, the search results including homomorphically encrypted information, and determining, based upon the search query, a transmission encryption technique for secure transmission of the search results to the requesting device. The search results can be additionally encrypted using the transmission encryption technique to generate an additionally encrypted search response that includes the homomorphically encrypted information. The process can further include causing transmission of the additionally encrypted search response to the requesting device.

Abstract: A semiconductor device includes a substrate including a cell region and a connection region. The connection region includes a plurality of pad regions and a through electrode region. A horizontal conductive layer is on the substrate. A supporter is on the horizontal conductive layer. The supporter includes a first portion in the cell region, a second portion in the plurality of pad regions, and a third portion in the through electrode region. A connection conductive layer is between the first portion and the horizontal conductive layer. A connection mold layer is between the third portion and the horizontal conductive layer. A first buried insulation layer passing through the third portion, the connection mold layer, and the horizontal conductive layer is provided. A stacked structure is on the substrate. A through electrode passing through the first buried insulation layer is provided.

Abstract: The present disclosure provides a wireless charging device in which multiple coils are overlapped with one another on separated cores. According to an embodiment of the present disclosure, the wireless charging device includes two flat cores spaced apart from each other, and a first layer coil to a fourth layer coil disposed above the two plate cores and disposed on different layers from one another and overlapped with one another, so that the multiple cores are overlapped with one another on the separated cores.

Abstract: Systems, devices, and methods for determining and displaying operational parameters of a light fixture that includes narrow band emitters. A controller includes stored information related to spectral power distributions of each of a plurality light wavebands generated by a plurality of narrow band emitters (e.g., LEDs). Based on the spectral power distributions, the controller is configured to determine an output spectrum of the light fixture and/or an output spectrum of individual wavebands. The controller is configured to generate an output display that includes the determined operational parameters associated with the light fixture and a mechanism for manipulating the outputs of the light fixture's wavebands. Using the mechanism, a user can manipulate the operational parameters of the light fixture and observe from the output display a substantially real-time representation of the operational parameters of the light fixture based on the user manipulations.

Abstract: The present disclosure relates provides an compound represented by Chemical Formula 1, in which Ar1, Ar2, Ar3 and Ar4 are C6-C40 aryl, or C5-C40 heteroaryl; R1 and R2 are —C(R)2—, —N(R)—, —O—, or —S—; X1, X2 and X3 are C or N; L1 and L2 are phenylene, naphthylene, or biphenylene; Y1 and Y2 are each an electron-withdrawing group selected from a N-containing heterocyclic group, or a cyano-containing group. The compound of the present disclosure has bipolar characteristics of simultaneously transmitting holes and electrons. The bipolar transmission host is beneficial to charge transmission balance in the light-emitting layer, and can widen the exciton recombination region, to simplify the device structure and improving device efficiency. The present disclosure further provides a display panel and a display apparatus.