Abstract: A tiled display includes a plurality of display devices, where a display area and a non-display area surrounding the display area are defined in each of the plurality of display devices, and a pad area is defined in the non-display area. The plurality of display devices includes a first display device and a second display device disposed adjacent to the first display device in a first direction, and the pad area of the first display device overlaps the display area of the second display device in a thickness direction.

Abstract: An unmanned store product checkout device according to one embodiment may include a conveying unit that conveys products, a product recognition unit that recognizes that the products have been placed on the conveying unit, a scanning unit that scans barcodes and images of the products conveyed by the conveying unit, a weight sensor that measures weights of the scanned products, a processor that identifies the products, a product sorting unit that sorts the products into a first zone or a second zone based on a result of identifying the products, and a checkout unit that calculates a total price by adding up a first price, which is a sum of prices of the products sorted into the first zone, and a second price, which is a sum of prices of the products sorted into the second zone and checked by an administrator.

Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.

Abstract: A distributed power-sharing electric vehicle (EV) charging. The system comprises multiple chargers connected via a network. Each charger includes a power module configured to store direct current (DC) power, an output port for supplying power to an electric vehicle, and a sharing port for exchanging power with at least one neighboring charger. First and second switches are positioned between the power module and the output port, and between the power module and the sharing port. A control unit is configured to control the operation of the power module and the switches in response to an EV charging request. When the maximum charging power required by the EV exceeds the rated output power of a single charger, the system delivers power from both the power module and the neighboring charger in an idle state.

Abstract: A system for and a method of analyzing a corneal lesion using an anterior segment image according to the present invention. The system includes: an image acquisition unit configured to acquire an anterior segment image from the eyeball of a subject, a feature extractor configured to extract feature information on a position and a cause of a lesion in the cornea from the anterior segment image by applying a convolution layer to the anterior segment image through machine learning on the basis of a database in which clinical information pre-acquired by analyzing positions and causes of lesions in the corneas of subjects is stored; and a result determination unit configured to identify a position of the cornea from anterior segment image using the feature information and to analyze and determine the position and the cause of the lesion in the cornea from the position of the cornea.

Abstract: Embodiments of the disclosure include a positive electrode active material, a method of preparing the same, a positive electrode, and a rechargeable lithium battery, the positive electrode active material including particles including a lithium transition metal composite oxide, and a coating layer located on a surface of the particles and including porous graphene.

Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery, comprising a particle-shaped lithium transition metal oxide and a surface layer having a thickness of 10 nm to 100 nm provided on the surface of the lithium-transition metal oxide, wherein: the surface layer comprises carbon nanotubes provided in a three-dimensional reticular form and an organic compound physically attached to the carbon nanotubes; the carbon nanotubes are connected in a reticular form on the surface of the lithium transition metal oxide, forming a mutual electrical network; at least a portion of the carbon nanotubes are spaced apart to provide space in the thickness direction of the surface layer; and 100 parts by weight of the carbon nanotubes contains 30 to 90 parts by weight of the organic compound.

Abstract: A refund service providing method comprises: selecting, by a user terminal, at least one product to be refunded from among at least one ordered product; obtaining, from the user terminal, refund request information including image information regarding the product to be refunded, refund degree information, and refund comment information; obtaining, from a terminal in charge of refunds, refund determination information regarding the refund degree information, based on the image information and the comment information, wherein the refund determination information includes information indicating approval or rejection; obtaining, from a terminal in charge of refunds, refund determination information regarding the refund degree information, based on the image information and the comment information, wherein the refund determination information includes information indicating approval or rejection; and when the refund determination information includes the information indicating approval, providing, to the user ter

Abstract: The present invention relates to an ultrasonic wave-driven triboelectric generator in which a self-gap is formed using plasma etching. The present invention relates to an ultrasonic wave-driven triboelectric generator having a polymer film as one triboelectric layer having a self-gap defined therein using plasma etching such that a surface area thereof is increased to achieve high power and miniaturization of the generator.

Abstract: The present disclosure relates to an electrode for a secondary battery with improved rapid charging performance, a method of manufacturing the same, and a secondary battery including the same, and provides an electrode for a secondary battery including a current collector, an electrode active material layer located on at least one surface of the current collector, and a binder layer located on at least one surface of the current collector and protruding from at least one end of the electrode active material layer, in which the binder layer satisfies the following Expression 1. [Expression 1] CA/B? 0.6 (In Expression 1, CA is wt % of a conductive material in the binder layer, and B is wt % of a binder in the binder layer, based on a total weight of the binder layer).

Abstract: A connection structure of a hose for transmission oil including a multilayer hose having a first rubber layer formed by a first pipe, a braided layer formed on an outer surface of the first rubber layer and formed by braiding aramid fibers. A second rubber layer located on the outer surface of the first rubber layer. A first connector including a body inserted into an inside of the first rubber layer and including a second pipe connected with the first pipe, and a stopper protruding from the body, and an inclined portion formed at an end of the body and forming an uphill slope of 11˜17° to one side of the body. A second connector including a cover portion covering the multilayer hose and a plurality of pressurized portions formed concave with respect to an outer peripheral surface of the cover portion and in contact with the multilayer hose.

Abstract: A plate-type heat exchanger that performs heat exchange between a first fluid and a second fluid and includes a main body plate stack including a plurality of main body plates stacked on one another, and a plurality of heat exchange flow paths defined between the stacked main body plates and configured to allow the first or second fluid to flow therethrough, an upper plate coupled to the main body plate stack in a first direction, and a lower plate coupled to the main body plate stack in a second direction opposite to the first direction. The main body plate may include a plurality of elongated protruding portions each having a shape protruding from a surface of the main body plate and extending in a direction at least partially coincident with a direction in which the first or second fluid flows in the heat exchange flow path.

Abstract: A piping system including a pipe and a pipe block coupled to an end of the pipe. The pipe includes: a flange positioned at the end and protruding in a radially outward direction along an outer circumference of the pipe; and a coupling portion having a nipple that is inserted into the pipe block. The pipe block includes: an insertion hole into which the pipe is coupled; and a lip protruding from a surface in which the insertion hole is formed in a circumferential direction along an outer circumference of the insertion hole. An inner diameter of the lip is equal to or greater than an outer diameter of the flange, and when the pipe is coupled to the pipe block, the flange is positioned inside the lip and the lip is deformed in a radially inward direction of the pipe to grip and fix the pipe.

Abstract: A negative electrode active material includes a core including a silicon-carbon composite; and a coating layer on a surface of the core, the coating layer including a surfactant and graphene, wherein the negative electrode active material has a ratio (Isecond peak/Ifirst peak) of an intensity of a second peak appearing at 2?=about 45° to about 50° relative to an intensity of a first peak appearing at 2?=about 25° to about 27° of about 0.1 to about 0.4, in an X-ray diffraction analysis using a CuK? ray.

Abstract: A semiconductor memory device may include a substrate including a cell region, a peripheral region, and a boundary region therebetween, a plurality of gate electrodes extending in a first direction within the substrate of the cell region, a plurality of bit lines extending in a second direction crossing the first direction on the substrate of the cell region and the boundary region, a plurality of buried contacts connected to the substrate of the cell region and between the gate electrodes and between the bit lines on the substrate of the cell region, a dummy buried contact between the bit lines on the substrate of the boundary region, and a bit line contact connected to at least one of the bit lines on the substrate of the boundary region, wherein the dummy buried contact includes an insulating material.

Abstract: A method of generating a robot path is provided. The method includes identifying a drawing pose set for a manipulator included in a robot in order to draw a two-dimensional (2D) image on a three-dimensional (3D) target surface, setting a profile curve by projecting surface points of the 3D target surface onto an xy-plane, determining coverage circles of the manipulator that are capable of covering all surface points of the profile curve, deriving bounding circles for a mobile platform of the robot mounting the manipulator, corresponding to each of the determined coverage circles, and generating a translation path of the robot for drawing the 2D image on the 3D target surface based on the derived bounding circles.

Abstract: A system for and a method of analyzing a corneal lesion using an anterior segment image according to the present invention. The system includes: an image acquisition unit configured to acquire an anterior segment image from the eyeball of a subject, a feature extractor configured to extract feature information on a position and a cause of a lesion in the cornea from the anterior segment image by applying a convolution layer to the anterior segment image through machine learning on the basis of a database in which clinical information pre-acquired by analyzing positions and causes of lesions in the corneas of subjects is stored; and a result determination unit configured to identify a position of the cornea from the anterior segment image using the feature information and to analyze and determine the position and the cause of the lesion in the cornea from the position of the cornea.

Abstract: Provided is display device and method for manufacturing the display device. A display device includes a substrate, a light emitting element layer disposed on the substrate, including a plurality of light emitting elements configured to emit light, a light control layer disposed on the light emitting element layer, including a light-transmitting layer configured to transmit the light, and a light-blocking layer configured to block the light. The display device further includes a first layer including at least one of a thin film encapsulation layer or a touch sensor layer, wherein the first layer is disposed between the light emitting element layer and the light control layer, and a groove passing through at least a portion of the first layer, wherein the light-blocking layer is disposed on the groove.

Abstract: A jig device for laser welding of the disclosure includes a jig body having a semi-oval shaped seating groove in which a lower side of a refrigerant pipe to which a charging port is coupled is seated; a first pressing block provided in an upper portion of one side of the jig body and having a first groove part configured to press an upper portion of one side of the refrigerant pipe and an upper portion of one side of a fixing part of the charging port at a lower surface thereof; and a second pressing block provided at an upper portion of the other side of the jig body and having a second groove part configured to press an upper portion of the other side of the refrigerant pipe and an upper portion of the other side of the fixing part of the charging port at a lower surface thereof.

Abstract: An excellent ultra-small microphone device with improved mechanical properties due to a protective layer formed on an upper and/or lower surface of a two-dimensional material having piezoelectric properties is provided to replace a conventional MEMS (Micro-Electro Mechanical Systems) microphone device. In the microphone device, the protective layer of a thickness of several hundred nm is formed on the upper and/or lower surface of the two-dimensional TMD material to protect the piezoelectric material layer during a back etching process and to contribute to the mechanical stability of the device.