Abstract: The present disclosure provides a battery inspection device and a battery inspection method. The battery inspection device includes: a plasma application unit irradiating plasma to a test object while being moved in a predetermined direction; a signal acquisition unit contacting the test object and electrically connected thereto, and receiving an electrical signal induced by plasma; and a control unit controlling the plasma application unit and the signal acquisition unit, wherein the control unit determines whether damage has occurred to the exterior of the test object by analyzing a waveform derived from the electrical signal received from the signal acquisition unit.

Abstract: An image sensor includes a substrate including a first surface on which light is incident and a second surface opposite to the first surface, unit pixels in the substrate, each including a photoelectric conversion layer, color filters on the first surface of the substrate, a grid pattern on the first surface of the substrate defining a respective light receiving area of each of the unit pixels, and microlenses on the color filters, each of the microlenses corresponding to a respective one of the unit pixels, wherein the unit pixels include a first pixel and a second pixel sharing a first color filter which is one of the color filters, and a first light receiving area of the first pixel is different from a second light receiving area of the second pixel.

Abstract: Disclosed is a method of controlling the operation of a fuel cell triple cogeneration system configured to supply power and cooling heat to a data center, the method including detecting change in a power load or a cooling heat load of the data center and adjusting electrical energy and cooling capacity of the fuel cell triple cogeneration system.

Abstract: The operating method of a server for providing a metaverse in which a call between user terminals may be performed may include: generating a first avatar based on profile information of a first user terminal and a second avatar based on profile information of a second user terminal; providing a map space in which the first avatar and the second avatar are able to travel; mediating a call between the first user terminal and the second user terminal based on whether a plurality of avatars including the first avatar and the second avatar have entered a first audio space included in the map space; and completing matching between the first user terminal and the second user terminal when a first sign of attraction to the second avatar is transmitted from the first user terminal and a sign of attraction to the first avatar is transmitted from the second user terminal.

Abstract: A display device, method of fabricating the same and head mounted display device comprising the same are provided. The display device includes a semiconductor substrate including a display area, a non-display area around the display area in plan view, and transistors, a light-emitting element layer above the semiconductor substrate, and including light-emitting elements in the display area, an encapsulation layer above the light-emitting element layer, a color filter layer above the encapsulation layer, and including color filters respectively overlapping the light-emitting elements, a lens array layer above the color filter layer, in the display area, in a portion of the non-display area, and including lenses respectively overlapping the light-emitting elements and having a convex cross-sectional shape, and pattern portions in the non-display area around the lenses, and a cover layer above the lens array layer.

Abstract: Provided is a high-durability coloring metal member. The high-durability coloring metal member includes a metal substrate, a dielectric layer provided on the metal substrate, and an oxynitride compound layer provided on the dielectric layer. The metal member is capable of expressing vivid and various colors with a color protection layer applied on the surface of the metal member.

Abstract: A display device includes a substrate, a transistor, an interlayer insulating layer, a first conductive line, a pixel electrode, a passivation layer, a common electrode, and a light emitting element layer. The transistor overlaps the substrate. The interlayer insulating layer overlaps the transistor and includes a first groove. The first conductive line is electrically connected to the transistor and is at least partially disposed inside the first groove. The pixel electrode is electrically connected to the transistor and overlaps the first conductive line. The passivation layer is disposed between the pixel electrode and the first conductive line and directly contacts at least one of the pixel electrode and the first conductive line. The common electrode overlaps the pixel electrode. The light emitting element layer is disposed between the common electrode and the pixel electrode.

Abstract: The present disclosure provides an air-conditioning device and an air-conditioning system of an integrated heat exchanger, wherein an integrated heat exchanger for generating heating air or cooling air is used to generate air-conditioning air by utilizing cooling water, thereby securing cooling/heating efficiency. A decreased number of doors are used to adjust the temperature of air-conditioning air with regard to each mode, thus reducing the entire package. In addition, front and rear indoor spaces can be temperature-controlled individually, and comfort can be provided for each passenger seat.

Abstract: A groove forming apparatus includes a laser light source configured to emit a laser beam, a multi-beam generator configured to split the laser beam into a plurality of sub-laser beams, a focusing lens unit configured to focus the plurality of sub-laser beams on a processing object, a first telecentric lens provided between the multi-beam generator and the focusing lens unit, and a second telecentric lens provided between the first telecentric lens and the focusing lens unit.

Abstract: The present specification relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a positive electrode active material for a lithium secondary battery with excellent electrical conductivity and energy density, a method of preparing the same, and a positive electrode and a secondary battery including the same.

Abstract: A system for manufacturing a lithium ion secondary battery includes an unwinder supplying a current collector to be coated to a predetermined position, a coating device coating a coating liquid on the current collector, a drying device drying the coated current collector, and a rewinder winding the coated current collector passing through the drying device at a predetermined position.

Abstract: An embodiment sliding transfer device for a vehicle includes a first rail part fixable to a vehicle body, a second rail part coupled to the first rail part and slidably movable in a forward-and-rearward direction of the first rail part, a plurality of sensors comprising a first sensor mounted at a front side of the first rail part and a second sensor mounted at a rear side of the first rail part, wherein each of the sensors is configured to generate a sensing signal in a case in which the second rail part reaches a set limit position thereof, and a controller configured to selectively control, based on the sensing signal, an operation of a drive motor for sliding movement of the second rail part.

Abstract: The present disclosure according to at least one embodiment provides a method of providing a multi-transmission path service on a cloud virtual network, the method being performed by a computing system.

Abstract: Disclosed are a substrate support device and a method of controlling prevention of leakage of temperature control fluid. In a substrate support device that controls temperature through supply of temperature control fluid, a sealing member configured to be actively controlled in volume expansion taking into consideration a difference in coefficient of expansion between a fluid supply block supplying the temperature control fluid and an electrostatic chuck due to the materials thereof is employed, thereby preventing leakage of the temperature control fluid.

Abstract: The present specification relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a positive electrode active material for a lithium secondary battery with excellent electrical conductivity and energy density, a method of preparing the same, and a positive electrode and a secondary battery including the same.

Abstract: Disclosed is a data transmission method in a mobile communication system. The data transmission method through a code sequence in a mobile communication system includes grouping input data streams into a plurality of blocks consisting of at least one bit so as to map each block to a corresponding signature sequence, multiplying a signature sequence stream, to which the plurality of blocks are mapped, by a specific code sequence, and transmitting the signature sequence stream multiplied by the specific code sequence to a receiver.

Abstract: According to the disclosure, a display device includes a substrate including a display area and a non-display area, outer pixels positioned in the display area and positioned in a first direction from an edge of the substrate, dummy holes positioned in the non-display area and positioned between the edge of the substrate and the outer pixels, and a dummy line positioned in the non-display area and extending in a second direction different from the first direction between the dummy holes. The dummy line is positioned between a first insulating layer and a second insulating layer, and the dummy holes pass through the first insulating layer and the second insulating layer.

Abstract: The present invention relates to an electrode plate manufacturing apparatus including a first laser radiation unit that radiates a first laser beam in a first direction perpendicular to an electrode film located between rollers of a transfer device to notch at least a portion of the electrode film and a second laser radiation unit that radiates a second laser beam to a notched area of the electrode film, which is notched by the first laser radiation unit, to remove a material of a surface of the electrode film melted by the first laser beam.

Abstract: A display device includes a cover window including a first surface, a display panel disposed on the first surface, and a cover panel disposed on the display panel, and including a second surface facing the cover window, and a third surface disposed on an opposite side of the second surface. The first surface and the second surface are curved surfaces, and the third surface is a flat surface.

Abstract: Disclosed herein are a hybrid download method and apparatus for multiview streaming. The hybrid download method includes requesting a group download for an n?1-th segment from a server, playing an n?3-th segment at a viewpoint VP1 of a viewer, when a group download request for the n?1-th segment is completed, making a group download request for an n-th segment, when a change in a viewpoint of the viewer occurs at a time at which an n?2-th segment is played, playing a low-quality n?2-th segment at a viewpoint VP3, when the group download for the n-th segment is completed, requesting a single download for a high-quality n?1-th segment corresponding to the viewpoint VP3 from the server, and when the single download for the high-quality n?1-th segment corresponding to the viewpoint VP3 is completed, playing the high-quality n?1-th segment at the viewpoint VP3.