Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 2? or formula 2?, a plurality of host materials comprising at least one first host compound and at least one second host compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device having improved driving voltage, luminous efficiency, power efficiency and/or lifespan properties can be provided by including the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material(s).

Abstract: A suction unit control method includes simulating an air flow about a suction port, through which fumes generated when a laser beam is radiated on a target substrate on a stage unit to cut the target substrate are sucked up, installing an air blower on three or four sides around a laser cutting end at a height close to the suction port, controlling on and off of first to fourth solenoid valves of the air blower based on a movement of the stage unit while performing laser cutting on the target substrate while moving the stage unit.

Abstract: Provided is a battery pack and a vehicle including the same. The battery pack includes a plurality of pouch-type battery cells, a pack case having an inner space in which the plurality of pouch-type battery cells are accommodated, and a cell cover at least partially surrounding and supporting at least some of the plurality of pouch-type battery cells. The cell cover includes a first cover portion covering one side surface of at least one of the plurality of battery cells, a second cover portion covering the other side surface of at least one of the plurality of battery cells, and a third cover portion connecting the first cover portion to the second cover portion and covering an upper end portion of the at least one battery cell. A first venting hole through which gas or flame is discharged is formed in at least one portion of the third cover portion.

Abstract: Disclosed is a glass for vehicles. The glass for vehicles includes a first glass panel, a second glass panel spaced apart from the first glass panel while maintaining a regular distance from the first glass panel, bonding films located between the first glass panel and the second glass panel, and a high refractive film located between the bonding films. The high refractive film is configured to have a wedge angle of 0.0028 rad to 0.0042 rad in the longitudinal section thereof.

Abstract: A battery pack includes a plurality of pouch-type battery cells; a pack case accommodating the pouch-type battery cells in the internal space; and a cell cover. The cell cover includes two unit covers at least partially spaced apart, provided to at least partially surround at least some of the pouch-type battery cells among the plurality of pouch-type battery cells in the internal space of the pack case. The cell cover is configured to allow venting gas to be discharged into the separation space between the two unit covers, thereby ensuring excellent safety when a thermal event occurs. Moreover, the present application discloses a battery module and a vehicle including the same.

Abstract: Provided is a cognitive experiment method for change in periphery region image quality for parameter determination of a foveated hologram. According to an embodiment, a cognitive experiment method for determining foveated image parameters includes: generating a foveated image which includes a foveal region and a periphery region while reducing image quality regarding the periphery region; displaying the generated foveated image; receiving an input of a response to image quality of the periphery region from a subject; and collecting information regarding appropriate image quality of the periphery region, based on the response inputted by the subject. Accordingly, in applying a foveated hologram generation algorithm for real-time reproduction, various parameters such as a boundary between a foveal region image and a periphery region image in a foveated hologram, and a degree of quality degradation of the periphery region image may be appropriately determined through a cognitive experiment.

Abstract: Described is a sliding device allowing a user to switch between an electric sliding mode and a manual sliding mode as needed and including a guide rail module, a sliding rail slidably coupled to the guide rail module, a rail driving module coupled to the sliding rail and configured to move the sliding rail along the guide rail module by driving of a motor, and a sliding mode switching module configured to switch an operation mode of the sliding rail from an electric sliding mode to a manual sliding mode by blocking a driving force of the rail driving module from being transmitted to the sliding rail. The sliding device may be used for sliding a storage box for a vehicle.

Abstract: A cell assembly according to the present disclosure includes a cell stack including one pouch-type battery cell or two or more pouch-type battery cells stacked; and a cell cover covering two side portions of the cell stack along a widthwise direction of the cell stack and a top portion of the cell stack, wherein the cell cover is configured to adjust a width of the cell cover according to a width of the cell stack.

Abstract: Provided are an imaging encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameter.

Abstract: Provided are an imaging encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameter.

Abstract: A quantum dot comprising a core comprising a first semiconductor nanocrystal comprising zinc, selenium, and optionally tellurium; and a shell disposed on the core and comprising a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, and comprising zinc and at least one of sulfur and selenium, wherein the shell comprises at least three branches extending from the core, wherein at least one of the branches has a length of greater than or equal to about 2 nm, the quantum dot emits blue light comprising a maximum emission peak at a wavelength of less than or equal to about 470 nm, a full width at half maximum (FWHM) of the maximum emission peak is less than about 35 nm, and the quantum dot does not comprise cadmium.

Abstract: According to some embodiments of the present disclosure, there is provided a display device including a substrate, a light emitting element on the substrate and emitting first light, a wavelength conversion layer on the light emitting element and including wavelength conversion particles for converting the first light into second light, a first selective transmission film between the light emitting element and the wavelength conversion layer and reflecting the first light and the second light, which are incident from the wavelength conversion layer, and a second selective transmission film on the wavelength conversion layer and reflecting the first light incident from the wavelength conversion layer and transmitting the second light.

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: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.

Abstract: A method for fabricating a semiconductor device is provided. The method comprises providing a mask which includes first particles, and second particles spaced apart from the first particles, on a surface of the mask, applying a first adhesive over the first particles on the mask, irradiating the first adhesive with light on a first position of the first particles to cure the first adhesive, resulting in a cured first adhesive, forming a first adhesive film from the cured first adhesive in which the first particles are stuck to the first adhesive and removing the first adhesive film on the mask, wherein the first adhesive overlaps a first region of the surface of the mask in which the first particles are disposed, and does not overlap a second region spaced laterally from the first region of the mask.

Abstract: A semiconductor device with multiple zero differential transconductance includes: a conductive substrate; a first insulating layer and a second insulating layer disposed on the conductive substrate; a first semiconductor and a second semiconductor disposed on first portions of the first insulating layer and the second insulating layer, respectively; a first buffer layer and a second buffer layer disposed on electrode contact areas of the first semiconductor and the second semiconductor, respectively; and an anode electrode and a cathode electrode disposed on second portions, which are different from the first portions, of the first insulating layer and the second insulating layer and on the first buffer layer and the second buffer layer, respectively, wherein the first semiconductor and the second semiconductor are disposed in parallel with each other and connected by the anode electrode and the cathode electrode.

Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.

Abstract: An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.

Abstract: There is provided a display device including a display panel including first panel pads arranged along a plurality of rows, each of the rows extending in a first direction in a plan view, wires extending in a second direction crossing the first direction, each of the wires including a first bonding portion attached to a corresponding one of the first panel pads, and a first circuit board including first pads connected to the wires. The first panel pads in a first row of the plurality of rows in a plan view are exposed in the second direction crossing the first direction between the first panel pads in a second row neighboring to the first row of the plurality of rows.

Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.