Abstract: An augmented reality (AR) device including a variable focus lens of which a focal length may be changed by adjusting refractive power and adjusting the position of a focus adjustment region of the variable focus lens according to a direction of the user's view. The AR device may obtain an eye vector indicating a direction of the user's view using an eye tracker, adjust a refractive power of a first focus adjustment region of a first variable focus lens to change a focal length for displaying a virtual image, and complementarily adjust a refractive power of a second focus adjustment lens with respect to the adjusted refractive power of the first focus adjustment region.

Abstract: A vertical type semiconductor device includes insulation patterns on a substrate and spaced apart from each other in a first direction perpendicular to a top surface of the substrate, a channel structure on the substrate and penetrating through the insulation patterns, a first conductive pattern partially filling a gap between the insulation patterns adjacent to each other in the first direction and the channel structure and having a slit in a surface thereof, the slit extending in a direction parallel with the top surface of the substrate, and a second conductive pattern on the first conductive pattern in the gap and filling the slit.

Abstract: The disclosure relates to a refrigerator having an ice maker with an improved structure. The refrigerator includes an ice maker installable in the door, and including a frame, an ice-making tray which is detachably mounted on the frame, configured to contain ice, and a water bucket which is rotatable while mounted on the frame, configured to supply water to the ice-making tray. The water bucket may include a rotating shaft as a rotation center about which the water bucket is rotatable, and a moving guide spaced apart from the rotating shaft and movable around the rotating shaft. The frame may include a rotating shaft coupling portion to which the rotating shaft is rotatably coupled, and a guide rail on which at least a portion of the moving guide is supported, configured to guide a rotational movement of the water bucket.

Abstract: Provided are a method and apparatus for acquiring virtual object data in augmented reality, the method including identifying at least one exposed component from three-dimensional image data corresponding to a target device, the exposed component being exposed to a view from outside of the target device, identifying a type of the target device from the three-dimensional image data corresponding to the target device, determining at least one main direction of the target device based on the type of the target device, and acquiring virtual object data for representing an appearance of the target device based on the at least one exposed component and at least one main direction.

Abstract: A storage device includes a plurality of nonvolatile memory devices; and a controller connected in common to the plurality of nonvolatile memory devices through data lines, the controller being configured to detect first offset information by performing a first training operation with respect to a first nonvolatile memory device from among the plurality of nonvolatile memory devices, the controller being further configured to, based on the first offset information, perform a second training operation with respect to a second nonvolatile memory device from among the plurality of nonvolatile memory devices.

Abstract: According to one general aspect, an apparatus may include a memory configured to store both data and metadata, such that for portions of data associated with the metadata, the data and metadata are interleaved such that a unit of metadata succeeds each power of two contiguous units of data. The apparatus may also include a memory manager circuit. The memory management circuit may be configured to receive a data access to the memory, wherein the data access includes a public memory address. The memory management circuit may be configured to determine if the public memory address is associated with metadata. The memory management circuit may be configured to, if so, convert the public memory address to a private memory address. The memory management circuit may be configured to complete the data access at the private memory address.

Abstract: A semiconductor package includes: a connection member including a plurality of connection pads and a redistribution layer; a semiconductor chip disposed on the connection member; an encapsulant sealing the semiconductor chip; a passivation layer disposed on the connection member; a plurality of under bump metallurgy (UBM) pads disposed on the passivation layer; and a plurality of UBM vias connecting the plurality of UBM pads to the plurality of connection pads, respectively, wherein the plurality of UBM pads include a first UBM pad overlapped with the semiconductor chip in a stacking direction, and a second UBM pad located outside of the overlapped region, and the first connection pad has an area larger than an area of an associated first UBM pad while the associated first UBM pad is overlapped in the stacking direction, and has an area larger than an area of the second connection pad.

Abstract: A semiconductor device including a signal generator and decoding and timing skew adjusting circuit is provided. The signal generator is configured to receive n multi-level signals having m signal levels and convert the n multi-level signals into n*(m?1) single level signals having two signal levels. The decoding and timing skew adjusting circuit is configured to receive the single level signals, perform a predefined operation on the single level signals to generate an output signal, and compensate for timing skew between the n multi-level signals, using the single level signals. The n and m are natural numbers, where n>=2 and m>=3.

Abstract: A method for correcting an image includes: orthographically correcting an image; removing a curtain artifact by applying a first filter to the orthographically corrected image; correcting brightness of the image, from which the curtain artifact is removed, by applying a second filter to the image, from which the curtain artifact is removed. The first filter includes a first function and a second function for a first domain and a second domain, which are orthogonal to each other in a frequency region, and the first filter is differentiable and continuous in the first domain and the second domain.

Abstract: Disclosed is a portable electronic device including a housing including a first surface and a second surface facing a direction opposite to the first surface, a display including a touchscreen panel exposed through the first surface of the housing and having a substantially rectangular shape, wherein the display has a first side and a third side extending with a first length in a first direction, and a second side and a fourth side substantially perpendicular to the first direction and extending with a second length which is less than the first length, and wherein a ratio of the first length to the second length is x:9, in which the x is equal to or greater than 16, a wireless communication circuit, a processor, and a memory.

Abstract: The present disclosure relates to a communication scheme for merging IoT technology with a 5G communication system supporting a data transmission rate higher than that of a 4G system, and to a system for the scheme. The present disclosure can be applied to intelligent services (for instance, smart home, smart building, smart city, smart car or connected car, heath care, digital education, retail business, security- and safety-related service and so forth) on the basis of 5G communication technology and IoT-related technology. The present invention provides a device and method for supporting paging signal processing using multi-connection in a wireless communication system.

Abstract: Accordingly the embodiments herein provide a method for provisioning Minimum System Information (MSI) for User Equipment (UE) in a wireless communication system. The method includes decoding Primary Broadcast Channel (PBCH) to acquire a first Master Information Block (MIB) periodically transmitted by base station. Further, the method includes determining to perform one of bar a cell from which the first MIB is acquired for a pre-determined period of time and acquire second MIB transmitted on Secondary Broadcast Channel (SBCH) by base station based on cell barring indication received in the first MIB. Furthermore, the method includes transmitting a request message to the base station to obtain at least one SI block of the OSI. In some embodiments, the method includes receiving a list of system configuration indexes (SCIs) and corresponding configuration of SI blocks, from the base station based on SI storage capability of the UE indicated to the base station.

Abstract: A display apparatus includes a display configured to display a plurality of graphical user interfaces (GUIs) corresponding to a plurality of speakers; a communicator configured to communicate with the plurality of speakers; and a processor configured to control a content output in at least one speaker of the plurality of speakers to be output in another speaker according to a touch interaction with respect to at least one GUI of the plurality of GUIs.

Abstract: A method for operating a base station (BS) in a wireless communication system is provided. The method includes transmitting, to a terminal, downlink data, allocating uplink resources for uplink data related to the downlink data without any request from the terminal, and transmitting control information indicating the uplink resources.

Abstract: An all-solid-state secondary battery including: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a sulfur-containing positive electrode active material, a halogen-containing sulfide solid electrolyte, and a conductive carbon material, and wherein the sulfur-containing positive electrode active material includes elemental sulfur and a transition metal disulfide.

Abstract: A method of manufacturing a semiconductor device includes forming first sacrificial cores on a first region of a lower structure and second sacrificial cores on a second region of the lower structure, forming spacers on side walls of the first sacrificial cores and side walls of the second sacrificial cores, forming a protective pattern covering the second sacrificial cores on the second region of the lower structure, removing the first sacrificial cores from the first region, and etching the lower structure using the spacers on the first region, and the second sacrificial cores and the spacers on the second region. By using only spacers as an etching mask in the first region and the sacrificial cores with the spacers as an etching mask in the second region, patterns with different widths are formed simultaneously on the first and second regions.

Abstract: A semiconductor circuit includes a reference voltage generating circuit which generates a first reference voltage; a voltage control circuit which receives the first reference voltage from the reference voltage generating circuit to output a second reference voltage; a DC-DC conversion circuit which executes DC-DC conversion on the basis of the second reference voltage which is output from the voltage control circuit, and provides an output thereof to a first node; and a voltage regulator which executes voltage regulating on the basis of the first reference voltage which is output from the reference voltage generating circuit, and a voltage of the first node, and provides an output thereof to a second node.