Abstract: A hologram display device includes a light source unit that emits light, a spatial light modulator that modulates the light emitted from the light source unit, and a random pinhole panel. The random pinhole panel includes a plurality of pinholes of a random position or a random size and is arranged in line with an output part of the spatial light modulator. In the hologram display device and the method of manufacturing the hologram display device, a position and size of a random pinhole on the random pinhole are not limited to inside each pixel of the spatial light modulator.

Abstract: A method for manufacturing a window includes preparing a liquid crystal device comprising a support substrate, a first electrode, a liquid crystal layer, and a sacrificial structure. The method further includes removing the sacrificial structure from the liquid crystal device, forming a second electrode disposed on a glass layer, and attaching the liquid crystal device to the second electrode.

Abstract: A vertical channel thin film transistor includes substrate, lower source/drain electrode, spacer layer, upper source/drain electrode covering portion of upper surface of the spacer layer, interlayer insulating pattern covering portion of upper surface of the upper source/drain electrode and upper surface of the spacer layer exposed by the upper source/drain electrode, contact hole disposed on the lower source/drain electrode and passing through the interlayer insulating pattern, the upper source/drain electrode, and the spacer layer, active pattern covering inner wall and bottom surface of the contact hole and extending over upper surface of the upper source/drain electrode and upper surface of the interlayer insulating pattern, gate insulating pattern filling portion of the contact hole and extending along upper surface of the active pattern, and gate electrode filling portion of the contact hole and extending along upper surface of the gate insulating pattern.

Abstract: Provided is an electrochromic display device including: a first substrate; a second substrate on the first substrate; an electrolyte layer disposed between the first substrate and the second substrate; a first transparent electrode provided between the electrolyte layer and the first substrate; second transparent electrodes provided between the electrolyte layer and the second substrate; a first electrochromic layer provided between the first transparent electrode and the electrolyte layer; and a second electrochromic layer provided between the second transparent electrodes and the electrolyte layer, wherein the second transparent electrodes each extend in a first direction and be disposed apart from each other in a second direction perpendicular to the first direction, the second electrochromic layer extends between the second transparent electrodes and contacts a lower surface of the second substrate, the first electrochromic layer includes an inorganic electrochromic material, and the second electrochromic

Abstract: Disclosed is an apparatus of analyzing a depth of a holographic image according to the present disclosure, which includes an acquisition unit that acquires a hologram, a restoration unit that restores a three-dimensional holographic image by irradiating the hologram with a light source, an image sensing unit that senses a depth information image of the restored holographic image, and an analysis display unit that analyzes a depth quality of the holographic image, based on the sensed depth information image, and the image sensing unit uses a lensless type of photosensor.

Abstract: A semiconductor device include; a substrate including a cell array region and a key region, a stack structure on the cell array region including vertically stacked electrodes, a dummy structure on the key region, a vertical channel structure penetrating the stack structure to connect the substrate, a dummy pillar penetrating the first dummy structure, an interlayer dielectric layer on the stack structure and the dummy structure, wherein an upper portion of the interlayer dielectric layer on the dummy structure includes a key pattern that vertically overlaps the dummy pillar, and a capping layer on the key region and covering the key pattern.

Abstract: Apparatuses, systems, and methods for multi-TRP by a UE, including out of order delivery of PDSCH, PUSCH, and/or DL ACK/NACK. The UE may receive, from a base station, a configuration that may include multiple control resource set (CORESET) poos and each CORESET pool may be associated with an index value. The UE may determine that at least two DCIs of the multiple DCIs end at a common symbol and determine, based on one or more predetermined rules, when the UE may be scheduled to receive PDSCHs, transmit PUSCHs, and/or transmit ACK/NACKs from CORESETs associated with the at least two DCIs.

Abstract: Disclosed is a guidewire steering micro-robot. The guidewire steering micro-robot includes a guidewire, and a steering unit provided at an end portion of the guidewire, the steering unit including a magnetic body to control and steer a position of the guidewire by an external magnetic field.

Abstract: A base station and wireless communication (UE) may perform type II CSI-RS port selection based at least on partial reciprocity between an uplink path and a downlink path between the base station and the UE. The base station may identify dominant signal paths between the base station and the UE, based on measurements performed during uplink transmissions, and may transmit, to the UE, corresponding information indicative of CSI measurement and reporting configuration that may include a single measurement resource or multiple measurement resources. Each measurement resource may include multiple-port CSI-RS ports. The UE may indicate, to the base station, selection of a measurement resource when multiple measurement resources are configured, and may also report layer independent or layer common selection of a subset of CSI-RS ports included in the indicated single measurement resource or multiple measurement resources.

Abstract: Example embodiments are directed towards beam formation matching for communications between a receiver and transmitter in a multiple beam Multiple Input Multiple Output (MIMO) system.

Abstract: A circuit arrangement including one or more processors configured to: detect a presence of one or more human object proximities based on sensor data; identify one or more coverage sectors of one or more antenna arrays, operably coupled to the one or more processors, in response to the detected presence of the one or more human object proximities; determine whether radio waves within the one or more identified coverage sectors satisfy a transmit power criteria; select one or more candidate coverage sectors of the one or more antenna arrays based the one or more identified coverage sectors; and determine at least one radio link quality for the radio waves of the one or more candidate coverage sectors.

Abstract: Provided is an operation method for a digital hologram implementation device including a backlight and a spatial light modulator, the operation method including setting an initial phase value of an optical signal to a remedy phase, computing a reduced phase based on the remedy phase, correcting the remedy phase based on a difference between the reduced phase and a preset optimized phase, determining whether the corrected remedy phase is a stabilized phase, performing forward propagation on the stabilized phase and an amplitude of the optical signal, correcting the amplitude of the optical signal, performing backward propagation on the corrected amplitude and the stabilized phase, and determining whether a phase derived by the backward propagation is an optimized phase.

Abstract: A Multiple-Input-Multiple-Output (MIMO) antenna array configuration is described in one example comprising a plurality of Radio Frequency (RF) chains, a plurality of antenna elements, and a plurality of phase shifters, wherein the antenna elements and phase shifters form a plurality of antenna arrays, and coupled to the RF chains, and the number of antenna arrays is larger than the number of RF chains.

Abstract: A printed circuit board includes: an insulating layer; and a first circuit layer disposed on an upper surface of the insulating layer. A lower surface of the first circuit layer is in contact with at least a portion of the insulating layer, and the first circuit layer includes a first region embedded in the insulating layer, and a second region protruding from the upper surface of the insulating layer.

Abstract: Provided are a stretchable electronic device and a method for manufacturing the same. The stretchable electronic device includes lines having lower pads, a chip provided on the lower pads and having first upper pads, which are wider than the lower pads, and an adhesive layer provided outside the lower pads or between the lower pads and bonded to the first upper pads.

Abstract: The present invention relates to a display substrate and a method for manufacturing same. More specifically, the present invention provides a display substrate in which an electrical connection portion between a display sheet and a peripheral component electrically connected to the display sheet has improved heat resistance and durability, and a method for manufacturing same. A display substrate according to the present invention includes: a flexible substrate on which a plurality of light-emitting elements is arranged; and a wiring portion which is formed on one surface of the flexible substrate and supplies power to the light-emitting elements.

Abstract: An electronic device may receive, from a radio node, a measurement configuration associated with a wireless communication system. In response, the electronic device may perform measurements using narrow beam patterns based at least in part on a network configuration, where the narrow beam patterns are narrower than a wide beam pattern of the electronic device. Furthermore, performing the measurements using the narrow beams pattern may include performing a beam-pattern search up to the network configuration. Then, the electronic device may perform an SCell activation procedure of an SCell with the radio node. Note that the SCell activation procedure may include reporting, to the radio node, CSI of a narrow beam pattern of the SCell that is to be activated, where the narrow beam pattern is narrower than the wide beam pattern of the electronic device, and the narrow beam pattern is based at least in part on the measurements.

Abstract: A printed circuit board includes a first insulating layer having a first modulus; a second insulating layer disposed on the first insulating layer and having a second modulus; and a cavity penetrating the second insulating layer, wherein the second modulus is greater than the first modulus, and wherein an edge portion of a bottom surface of the cavity is formed of an insulating material.

Abstract: A healthcare apparatus according to an embodiment includes: a plurality of light sources configured to emit light of different wavelengths onto an object; a light detector configured to measure an optical signal of each of the wavelengths by receiving light reflected or scattered from the object; and a processor configured to obtain a blood glucose level and a blood flow index by using the optical signal of each of the wavelengths, and to estimate at least one from among dietary information and dietary metabolism state information by monitoring a blood glucose level change and a blood flow index change after ingestion of a food.

Abstract: Provided is a liquid crystal element. The liquid crystal element includes a first substrate, a first electrode provided on the first substrate, a liquid crystal layer provided on the first electrode and including a liquid crystal portion and a hydrophobic portion, and a second electrode on the liquid crystal layer, wherein the hydrophobic portion is phase-separated from the liquid crystal portion, wherein the liquid crystal portion includes polymer materials, a first dye, and liquid crystal molecules dispersed in the polymer materials, wherein the hydrophobic portion is spaced apart from the first electrode, wherein the hydrophobic portion includes hydrophobic materials and a second dye, wherein the first dye is dissolved in the polymer materials, wherein the second dye is dissolved in the hydrophobic portion, wherein the polymer materials include photo-curable polymer materials.