Abstract: The disclosure provides a liquid-cooling device and an electronic device. The liquid-cooling device includes an accommodation housing and a liquid-cooling assembly. The accommodation housing has an accommodation structure. The liquid-cooling assembly includes at least one liquid-cooling heat exchanger, a cold plate and a tubing. The at least one liquid-cooling heat exchanger is located in the accommodation structure. The cold plate is covered on the accommodation housing and covers the accommodation structure. The tubing is connected to the at least one liquid-cooling heat exchanger and penetrates through the cold plate.

Abstract: An electronic device is provided. The electronic device includes a first frame, a first opening formed in one area of the first frame, a first antenna that includes a first printed circuit board including first conductive patches, a first dielectric material that is disposed in the first opening and has a first dielectric constant, a second dielectric material disposed between the first dielectric material and the first conductive patches, and a wireless communication circuit that is electrically connected to the first antenna, wherein the second dielectric material may have a second dielectric constant that is lower than the first dielectric constant of the first dielectric material, and the wireless communication circuit may be configured to feed power to the first conductive patches to transmit and/or receive a signal in a frequency band of 10 gigahertz (GHz) or higher.

Abstract: A display device that includes a light emitting element layer disposed on a substrate, a thin-film encapsulation layer disposed on the light emitting element layer, a wavelength conversion layer disposed on the thin-film encapsulation layer and including a bank which defines light emitting areas and a non-light emitting area, a dam structure disposed on the wavelength conversion layer and overlapping at least one of the light emitting areas, a filling layer disposed on the wavelength conversion layer and disposed between portions of the dam structure, a color filter layer disposed on the dam structure, and a counter substrate disposed on the color filter layer, wherein the filling layer overlaps ones of the light emitting areas not overlapping the dam structure.

Abstract: Disclosed are embodiments of shortest path search in an obstacle environment. Provided is a shortest path search method including: creating an epsilon graph; and determining k closest points from a query point on the basis of the graph, wherein the creating of the graph includes: creating a node group of nodes on the basis of a point group of arrival points; creating an edge group of edges on the basis of the created nodes; setting, on the basis of an obstacle group of at least one obstacle, whether each of the nodes is a valid node or a non-valid node; setting, on the basis of the obstacle group, whether each of the edges is a valid or non-valid edge; and including, for each of the arrival points, a particular arrival point on an anchor list of a valid node closest from the particular arrival point among the valid nodes.

Abstract: Proposed are a method and a device for receiving a PPDU on the basis of control information related to an operating channel in a wireless LAN system. Specifically, a reception STA receives control information from a transmission STA. The reception STA receives a PPDU from the transmission STA on the basis of the control information. The control information includes an EHT operation element and a UHR operation element. The EHT operation element includes a first channel bandwidth subfield, a first CCFS subfield, and a second CCFS subfield. The UHR operation element includes a second channel bandwidth subfield, a third CCFS subfield, and a fourth CCFS subfield.

Abstract: An apparatus for manufacturing display devices includes: a stage; and a head unit disposed on the stage and including a nozzle unit. The head unit further includes a first coating portion covering a bottom surface of the head unit and at least a part of an inner surface of the nozzle unit, and where a thickness of at least a part of the first coating portion becomes narrower toward a top of the first coating portion.

Abstract: Methods, apparatus, and systems are disclosed for collaborative link adaptation between an access point and stations of a wireless network. In embodiments of the present disclosure, the problem of optimizing network links may be distributed from the access point to the stations, which may each determine whether they should locally solve the problem of optimizing their respective link to the access point or should return the optimization problem to the access point. The access point may optimize the links to stations that do not solve the optimization problem themselves. Embodiments may evaluate the transmission performance and computational costs of each station and of the network in determining where optimization should be done.

Abstract: Disclosed is an AI-based apparatus for detecting a defect of a product. The AI-based apparatus includes: a sensor unit which photographs a product to generate image data and measures at least one of a color, a saturation, a brightness, a transparency, and a reflectance of the product; and a detection unit which detects a defect on the product by inputting the image data to a convolutional neural network (CNN) trained to detect a defect on a product surface. The number of convolution layers of the convolutional neural network is determined based on a defect detection difficulty determined according to at least one of the color, the saturation, the brightness, the transparency, and the reflectance of the product and a defect type.

Abstract: An AI-based contactless sleep analysis system and method are disclosed. The sleep analysis system comprises: a smartphone that downloads a sleep analysis application from a server, collects and transmits sleep sound information of a user in real time to the server, and receives a report of AI-trained sleep analysis results from the server; and at least one smart home appliance that is spaced apart and located around the user, simultaneously collects and transmits the sleep sound information to the smartphone, and provides a customized sleep environment based on the analysis results to the user who is response to a control of the smartphone.

Abstract: A storage device includes a non-volatile memory and a storage controller. The non-volatile memory includes a plurality of storage regions, and the plurality of storage regions include a first storage region and a second storage region which have different types. The storage controller programs data from a host device in the first storage region, based on safety level information of the host device and remaining storage region information of the non-volatile memory. Based on the safety level information and the remaining storage region information, the storage controller migrates the data programmed in the first storage region to the second storage region or returns the data migrated to the second storage region to the first storage region.

Abstract: A memory device includes a substrate, a bonding structure and bit lines. The substrate includes adjacent first and second regions. The bonding structure is over the substrate and includes a bonding dielectric layer and first and second bonding pads. The bonding dielectric layer is over the substrate in the first and the second regions. The first and second bonding pads are respectively embedded in the bonding dielectric layer over the substrate in the first and second regions. The bit lines are over the bonding structure and extend from the first region to the second region. A density of the first bonding pads in the first region is greater than a density of the second bonding pads in the second region. The memory device may be 3D NAND flash memory with high capacity and high performance.

Abstract: An embodiment battery system cooling apparatus includes a lower case, a plurality of battery modules mounted in multiple stages on an outer surface of the lower case, a plurality of cooling blocks respectively attached to outer surfaces of the battery modules and defining a cooling passage, an upper case coupled to the lower case and covering the battery modules and the cooling blocks, and a cooling hose respectively connected in parallel to the cooling blocks on an outside of the upper case, the cooling hose including an inlet and an outlet for circulation of a cooling medium.

Abstract: An all solid-state battery includes a negative electrode including a negative electrode protection layer, a negative electrode coating layer, and a negative current collector between the negative electrode protection layer and the negative electrode coating layer; a positive electrode; and a solid electrolyte layer between the negative electrode and the positive electrode.

Abstract: A multi-chip package includes a first IC chip; a first sealing layer at a same first horizontal level as the first IC chip; a first silicon-oxide-containing layer over the first IC chip and first sealing layer and across an edge of the first IC chip; a first bonding pad in a first opening in the first silicon-oxide-containing layer, wherein the first bonding pad has a copper layer in the first opening; a second IC chip over the first IC chip; a second sealing layer at a same second horizontal level as the second IC chip; a second silicon-oxide-containing layer under the second IC chip and having a bottom surface bonded to and in contact with a top surface of the first silicon-oxide-containing layer; a second bonding pad under the second IC chip, in a second opening in the second silicon-oxide-containing layer and coupling to the second IC chip, wherein the second bonding pad has a copper layer in the second opening and having a bottom surface bonded to and in contact with a top surface of the copper layer of

Abstract: Provided is a video-based parking space occupancy detection artificial intelligence learning method. The method includes: detecting objects from a video taken of a plurality of parking spaces in a parking lot; generating learning data based on cumulative feature information that accumulates, over a certain period of time, feature information corresponding to the object detected from each image constituting the video; and learning artificial intelligence for detecting whether the object occupies the parking space based on the learning data.

Abstract: A plate cooling device for cooling carrier plate of a wafer, includes a cooling plate and a plurality of contact pads. The cooling plate includes an upper surface; wherein the upper surface is provided with a cooling area for placing the wafer thereon. The contact pads are disposed on the upper surface. The contact pads protrude on the upper surface, and the total area of the contact pads is less than 3% of the area of the carrier plate.

Abstract: An apparatus for diagnosing an abnormality of a battery cell and a method thereof may prevent thermal runaway of the battery cell in advance by generating an incremental capacity analysis (ICA) profile corresponding to each battery cell in a process of charging a plurality of battery cells, setting at least one voltage section within each ICA profile, determining a relative comparison value of an ICA value for each voltage section, and diagnosing an abnormality of each battery cell based on the relative comparison value of the ICA value.

Abstract: A multilayer capacitor includes a body including a dielectric layer and first and second internal electrodes, first external electrodes respectively be connected to the first internal electrode and second external electrodes respectively connected to the second internal electrode. The first internal electrode includes a first main portion and a first lead-out portion. The first lead-out portion includes a first inclined portion and a first connection portion. The first inclined portion is connected to the first main portion and has a side surface, at least a portion of which is inclined with respect to a side surface of the first main portion connected thereto. The first connection portion is connected to the first inclined portion and the first external electrode, and has a side surface, at least a portion of which is inclined with respect to the side surface of the first inclined portion connected thereto.

Abstract: A negative electrode for a secondary battery, includes a current collector, a first negative electrode active material layer, and a second negative electrode active material layer. The first negative electrode active material layer is provided on the current collector and includes a silicon carbon composite. The second negative electrode active material layer is provided on the first negative electrode active material layer and includes a silicon oxide. A secondary battery including the same is also provided.

Abstract: A method performed by one or more processors of an electronic device includes: processing an input image and point cloud data corresponding to the input image; projecting the point cloud data to generate a first depth map and adding new depth values to the first depth map based on the input image; obtaining a second depth map by inputting the input image to a depth estimation model configured to infer depth maps from input images; and training the depth estimation model based on a loss difference between the first depth map and the second depth map.