Abstract: A display device includes a substrate; a plurality of light-emitting elements arranged in each of a plurality of transfer areas on the substrate; and a black matrix having a plurality of transmissive holes each corresponding to one of the plurality of light-emitting elements, wherein the plurality of transfer areas include a first transfer area and a second transfer area arranged adjacent to each other, the black matrix includes a first area corresponding to the first transfer area and a second area corresponding to the second transfer area, the first area and the second area are arranged adjacent to each other based on a virtual boundary line, the first area includes a first transmissive hole disposed at a first distance from the virtual boundary line and a second transmissive hole disposed at a second distance from the virtual boundary line, and a size of the first transmissive hole is larger than a size of the second transmissive hole.

Abstract: A display device includes a substrate, first and second electrodes above the substrate, an organic pattern layer between the first and second electrodes, a light-emitting element above the organic pattern layer, first and second contact electrodes above the light-emitting element, a first reflective electrode on the first electrode and a second reflective electrode on the second electrode extending along a side of the light-emitting element, a via layer covering a portion of the first and second reflective electrodes, and defining first and second connection holes, a first connection electrode above the via layer, connecting the first reflective and contact electrodes through the first connection hole, and contacting the first reflective electrode on a side of the light-emitting element, and a second connection electrode connecting the second reflective and contact electrodes through the second connection hole, and contacting the second reflective electrode on a side of the light-emitting element.

Abstract: A display device includes a substrate, first and second electrodes on the substrate, an organic pattern layer between the first electrode and the second electrode, a light emitting element on the organic pattern layer and having a first contact electrode and a second contact electrode on a top surface, a first via layer covering the first electrode and the second electrode and covering a portion of a side surface of the light emitting element, a first lower connection electrode connecting the first electrode and the first contact electrode on the first via layer, and a second lower connection electrode connecting the second electrode and the second contact electrode, a second via layer on the first via layer and covering a portion of a side surface of the light emitting element, and a first upper connection electrode connecting the first electrode and the first contact electrode.

Abstract: Disclosed herein is a roundness measuring device and a roundness measuring method of a coating roll for battery manufacturing. The roundness measuring device of a coating roll that supports an electrode sheet when the electrode sheet is coated with an electrode slurry, the roundness measuring device comprising: a displacement sensor spaced apart from the coating roll and configured to measure roundness of the coating roll in a non-contact manner; and a support member on which the displacement sensor is installed and which extends in a length direction of the coating roll, wherein the displacement sensor is installed as a plurality of displacement sensors on the support member in the length direction of the coating roll.

Abstract: Disclosed is a method and apparatus for an instant messaging service. An operating method of a server providing an instant messaging service includes generating an access path to a group chatroom linked to a channel. The method includes providing an access point to the group chatroom through a page of the channel based on the access path. The method includes providing information on the channel through the group chatroom. The method includes posting content based on a message transmitted through the group chatroom on the page of the channel.

Abstract: Disclosed are various methods for transmitting or receiving data or control information having high reliability conditions. A method for operating a terminal which transmits uplink control information (UCI) includes: a step of generating UCI; a step of comparing the priority of an uplink (UL) control channel for the transmission of the UCI with the priority of a UL data channel when some symbols of the UL control channel and the UL data channel overlap; and a step of selecting the UL channel having a higher priority among the UL control channel and the UL data channel, and transmitting the UCI to a base station through the selected UL channel.

Abstract: A method of providing a user-interactive customized interaction for a transformation of an extended reality (XR) real object includes segmenting a target object from an input image received through a camera, extracting a similar target object having a highest similarity to the target object from three-dimensional (3D) model data that has been previously learnt, extracting texture of the target object through the camera and mapping the texture to the similar target object, transforming a shape of the similar target object by incorporating intention information of a user based on a user interaction, and rendering and outputting the transformed similar target object.

Abstract: A display device includes: a first pixel electrode on a substrate; a pixel defining layer on the substrate and exposing the first pixel electrode; a first light emitting layer on the first pixel electrode; a first common electrode on the first light emitting layer; a first bank on the pixel defining layer; a second bank on the first bank and including side surfaces protruding more than side surfaces of the first bank; and a third bank on upper and lower surfaces of the second bank and including a hydrophobic material.

Abstract: The invention provides a bifunctional compound of formula (I) or a pharmaceutically acceptable salt thereof, wherein R1, Cy1, Cy2, Cy3, Cy4, Z1, Z2 and the degron are as described herein.

Abstract: Provided herein is a semiconductor memory device having improved lifespan. The storage device may include a memory device including a plurality of super blocks, and a controller configured to control the memory device in response to each request among a plurality of requests from a host, wherein the controller is further configured to allocate a first super block to a first write request of a first type, and allocate a second super block different from the first super block to respond to a second write request of a second type, control the memory device to store in the first super block write data corresponding to the first write request, and when the second write request is received from the host before reallocation of the second super block after deallocation, control the memory device to store in the first super block write data corresponding to the second write request.

Abstract: An electrode for an electrochemical device has a lower layer zone and an upper layer zone, wherein different types of granules are contained in the lower layer zone and the upper layer zone. In addition, the electrode includes an intermediate layer zone disposed between the lower layer zone and the upper layer zone and having an interface formed by undulating concave and convex portions having a quadrangular shape. The electrode shows an increased ion diffusion rate and electrode capacity.

Abstract: A deep neural network training accelerator includes an operational unit sequentially performing first and second operations on a plurality of input data of a sub-set according to a mini-batch gradient descent, a determination unit determining each of the input data as one of skip data and training data based on a confidence matrix obtained by the first operation, and a control unit controlling the operational unit to skip the second operation with respect to the skip data.

Abstract: A die coater includes a first block having an insulating liquid inlet and a second block on the first block. A shim assembly is interposed between the first block and the second block and configured to form a first slit and a second slit separated from each other. The first block includes a fixing portion having a fixing flow path therein that is a transfer path for insulating liquid flowed in through the insulating liquid inlet, and also includes a lip block configured to be coupled to and detachable from the fixing portion and being a front end of the first block. The lip block has an insulating liquid flow path that is connected to the fixing flow path, and is a transfer path for insulating liquid flowed in through the fixing flow path.

Abstract: An embodiment vehicle body includes a tubular part extended in a longitudinal direction of a vehicle and having a hollow shape, a base part in which the tubular part is inserted, the base part integrally connecting an A pillar to a side portion of a roof, and an outer garnish shaped to be extended in the longitudinal direction along the base part and coupled to the base part to cover the base part.

Abstract: A die coater capable of effectively and simultaneously coating two different types of liquids on a current collector for a secondary battery includes a lower block including a manifold configured to accommodate an electrode slurry, an upper block coupled to the lower block and including an insulating liquid inlet, and a coater shim interposed between the upper block and the lower block. The coater shim includes a first coater shim in which a first slit for discharging the electrode slurry accommodated in the manifold is formed and a second coater shim in which a second slit for discharging the insulating liquid supplied through the insulating liquid inlet is formed, and the second coater shim is pressed by a fixing bolt screw-coupled to the insulating liquid inlet.

Abstract: A slot die coater is configured to discharge a coating material onto a surface of a substrate, and may include: a first die having a first surface; a second die having a second surface facing the first surface; and a shim plate interposed between the first surface of the first die and the second surface of the second die to form a slot through which the coating material is discharged. The second die may include a pair of guide lips protruding from both ends of the opening of the slot toward the substrate. An electrode coating device including the slot die coater is configured to coat an electrode substrate using the slot die coater.

Abstract: A lower cross member for a vehicle is disposed on a floor of a vehicle. The lower cross member includes a core member and a reinforcing layer. The core member is made of a composite material containing 70 wt. % or more of unidirectional carbon fibers, and the reinforcing layer is made of a composite material containing 70 wt. % or more of fiberglass.

Abstract: Disclosed is a flexible tactile actuator including a tactile transmitter configured to be flexible and including magnetic particles capable of being polarized in response to an external magnetic field and a matrix layer including the magnetic particles, a magnetic field generator disposed below the tactile transmitter and configured to generate a magnetic field in the tactile transmitter, and an elastic member provided in a shape of a film, having at least a portion in surface contact with the magnetic field generator, and attached to be in surface contact with one of a top surface and a bottom surface of the tactile transmitter.

Abstract: A road extraction device and method comprising: a data collection module configured to collect a road image associated with a road; and a deep learning module configured to perform a task for extracting the road from the road image by using deep learning technology, wherein the deep learning module comprises: a first deep learning unit configured to perform segmentation on the road image; and a second deep learning unit configured to perform object detection on the road image.

Abstract: A difference detection device comprising: a data collection module configured to collect a satellite image set comprising a plurality of satellite images; a pre-processing module configured to generate a pre-processing image set by matching characteristic information of the satellite images included in the satellite image set; and a difference determination module configured to generate difference information between the plurality of satellite images by determining a difference between pre-processing images included in the pre-processing image set, wherein the characteristic information comprises at least one of illumination information and color information of the satellite image.