Abstract: Cathodes and lithium secondary batteries including the cathodes are disclosed. In some implementations, a cathode may include a cathode current collector and a cathode active material layer disposed on the cathode current collector and including cathode active material particles such that the cathode active material layer satisfies a specific equation. The cathode active material particles may include lithium metal oxide particles that include nickel, and may have a mole fraction of cobalt of 0.02 or less with respect to all elements except for lithium and oxygen.

Abstract: Provided are a perovskite optoelectronic device containing an exciton buffer layer, and a method for manufacturing the same. The optoelectronic device of the present inventive concept comprises: an exciton buffer layer in which a first electrode, a conductive layer disposed on the first electrode and comprising a conductive material, and a surface buffer layer containing fluorine-based material having lower surface energy than the conductive material are sequentially deposited; a photoactive layer disposed on the exciton buffer layer and containing a perovskite photoactive layer; and a second electrode disposed on the photoactive layer. Accordingly, a perovskite is formed with a combined FCC and BSS crystal structure in a nanoparticle photoactive layer. The present inventive concept can also form a lamellar or layered structure in which an organic plane and an inorganic plane are alternatively deposited; and an exciton can be bound by the inorganic plane, thereby being capable of expressing high color purity.

Abstract: Provided is an electrode for a secondary battery, a method of manufacturing the same, and a secondary battery including the electrode.

Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.

Abstract: A light emitting device including a substrate having a light emitting area and a light shielding area, a light emitting structure disposed on the substrate and comprising at least one active layer, and a light shielding layer disposed on the substrate and defining the light shielding area, in which the light emitting area overlaps with the light emitting structure, the substrate has a rough surface overlapping at least a portion of the light emitting area, and a portion of the rough surface is covered with the light shielding layer, and light emitted from the at least one active layer is configured to be transmitted through the substrate.

Abstract: A display device of a tiled display includes a first substrate including an opening hole, a laser absorption layer disposed on the first substrate, including amorphous silicon, and multiple first contact holes, a first barrier insulating layer disposed on the laser absorption layer and including multiple second contact holes overlapping the first contact holes, multiple pad portions disposed on the first barrier insulating layer and partially disposed in the second contact holes, a second barrier insulating layer disposed on the first barrier insulating layer and the pad portions, a display layer disposed on the second barrier insulating layer, and a flexible film disposed under the first substrate, inserted into the opening hole, and electrically connected to the pad portions. A portion of the first barrier insulating layer is disposed in each of the first contact holes. The pad portions are electrically insulated from the laser absorption layer.

Abstract: In an embodiment of the present invention, a method for displaying an image of a display device includes moving the image displayed on an image display region along a movement path including a first position and a second position during a period of time, wherein, during the period of time, a total time for which the image is located at the first position is greater than a total time for which the image is located at the second position.

Abstract: A camera module includes: a first body including a substrate; an image sensor mounted on the substrate; a second body including a lens module; a ball bearing disposed between the first body and the second body to enable movement of the second body relative to the first body; and a driving member disposed between the first body and the second body to provide driving force to move the second body in at least one direction intersecting an optical axis.

Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes supplying a liquid to a substrate; and heating the substrate after the supplying the liquid, and wherein the supplying the liquid includes: supplying a first liquid to the substrate; and supplying a second liquid which is different from the first liquid to a substrate to which the first liquid is supplied, and wherein the second liquid is supplied as a test to the substrate and a contact angle between the second liquid which is supplied and the substrate is measured to determine a degree of hydrophilization of the substrate, and a supply mechanism of the second liquid supplied to the substrate is determined based on the degree of hydrophilization of the substrate which is determined, before the supplying the second liquid is performed.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: A drug administration management system according to an embodiment of the present disclosure may include a smart case configured to accommodate a drug administration device, display drug administration information including whether or not a drug is administered and a drug administration dose for each drug administration site input button based on an input of a user, and transmit the drug administration information externally; and a terminal configured to receive the externally transmitted drug administration information from the smart case, and monitor the drug administration information based on a drug administration plan input from a user.

Abstract: Disclosed is a method of controlling a server for managing movement schedules of a plurality of robots. The control method includes receiving an occupancy request for at least one node matching a scheduled moving route from at least one of the plurality of robots; setting actually occupied nodes and provisionally occupied nodes of each of the plurality of robots based on the occupancy request; and transmitting occupancy permission information including the set actually occupied node and provisionally occupied node to each of the plurality of robots. In the setting of the actually occupied node and the provisionally occupied node, the actually occupied nodes and the provisionally occupied nodes of each of the plurality of robots are selected so that an actually occupied node of one robot does not overlap an actually occupied node or a provisionally occupied node of another robot.

Abstract: Disclosed is a display for a vehicle including a plastic cover lens including a lens, a front film disposed on a front surface of the lens, and a rear film disposed on a rear surface of the lens, a super retardation film (SRF) adhered to a rear surface of the plastic cover lens using an optically clear adhesive (OCA), a liquid crystal display module adhered to a rear surface of the super retardation film using the optically clear adhesive, a panel-front assembled at the rear of the plastic cover lens, in close contact with and supporting the liquid crystal display module, and preventing deformation of the plastic cover lens, and a rear cover assembled at the rear of the panel-front.

Abstract: A hydrogen compression system includes: a heat pump part including a heat pump line configured to allow a refrigerant to circulate therethrough, a hydrogen compression part configured to compress hydrogen by being repeatedly heated and cooled, a first circulation line connected to the heat pump line while passing through the hydrogen compression part and configured to allow the refrigerant introduced from the heat pump line to circulate therethrough, a second circulation line provided to pass through the hydrogen compression part and configured to allow a cooling fluid to circulate therethrough, and a cooling unit provided in the second circulation line and configured to cool the cooling fluid, in which the hydrogen compression part is heated by the refrigerant or cooled by the cooling fluid, thereby minimizing electric power consumption and improving energy efficiency.

Abstract: An embodiment armrest assembly for a vehicle includes an armrest rotatably coupled to an armrest board and configured to be extended from the armrest board by rotating forward or to be housed in the armrest board by rotating and standing and a speed-reduction damper mechanism connecting the armrest and the armrest board and configured to make a rotational speed of the armrest uniform by reducing the rotational speed when the armrest rotates to be extended.

Abstract: The present disclosure provides a method and an apparatus for quickly and accurately evaluating a trajectory of a projectile such as a satellite launching rocket or a missile by comparing the trajectory with a reference trajectory. The trajectory evaluation method includes: acquiring time series positioning data for a target and predetermined reference trajectory information; and mapping points representing the time series positioning data on a graph into corresponding points on a reference trajectory representing the predetermined reference trajectory information while relocating each mapped point onto a relocatable section taking into account a movable range dependent on a speed of the target, and determining a maximum value of distances moved by the points while the points are mapped and relocated as a similarity between the time series positioning data and the reference trajectory.

Abstract: An embodiment armrest assembly for a vehicle includes an armrest including a main body and a lid, an armrest board to which the armrest is rotatably coupled and in which the armrest is accommodated in an erect state, and a skirt coupled to a rear bezel housing of the lid and to the armrest board and correspondingly covering a rear space of the lid when the armrest is rotated forward, wherein the skirt has a panel shape and includes a hard material.

Abstract: A display device includes a substrate including an opening hole, a first barrier insulating layer on the substrate, a plurality of first pad portions on the first barrier insulating layer and in a first contact hole partially penetrating the first barrier insulating layer, a second barrier insulating layer on the first barrier insulating layer and the plurality of first pad portions, a plurality of second pad portions on the second barrier insulating layer and in a second contact hole partially penetrating the first barrier insulating layer and the second barrier insulating layer, a third barrier insulating layer on the second barrier insulating layer and the plurality of second pad portions, a display layer on the third barrier insulating layer, and a flexible film under the substrate, and inserted into the opening hole to be electrically connected to the plurality of first and second pad portions.

Abstract: The present disclosure provides apparatuses and methods for operating a flash memory for programming operating system (OS) data before an surface mount technology (SMT) process. In some embodiments, the method includes erasing a plurality of memory cells in a memory block, reducing a lateral charge loss of the plurality of memory cells due to high temperature degradation during the SMT process by applying a pre-program voltage to word lines coupled to the memory block, and performing multi-bit programming of the OS data in the plurality of memory cells, prior to performing the SMT process. The applying of the pre-program voltage causes threshold voltages of the plurality of memory cells to increase.

Abstract: The present invention relates to a method and apparatus for filling a blank area of MPI view plane based on a pixel ray path. A method for generating multi plane image (MPI) data according to an embodiment of the present disclosure may comprise: calculating a pixel value according to each view for each photographed object, based on a plurality of input images photographed from a plurality of views; generating a view plane at a specific point by recording the calculated pixel value on one MPI layer determined based on the spatial position of the corresponding photographed object among a plurality of MPI layers; and generating MPI data by additionally recording the pixel value for the view.