Abstract: The present invention provides a light source apparatus and method for integrating diffused light with high efficiency using a collimating including an axicon lens, collimating it, tuning the wavelength of desired light, and passing it.

Abstract: A method for setting the motion vector list and the apparatus using the same may include determining the presence of a first motion vector or a second motion vector by a sequential determination process in a first spatial candidate prediction group; and setting the first motion vector or the second motion vector produced through the sequential determination process as the candidate prediction motion vector. Thus, the encoding/decoding time and the complexity can be reduced by restricting the scaling number in a process for scanning the candidate prediction motion vector.

Abstract: Provided is a lubricating composition for inhibiting plugging including a base oil and any one selected from a fatty acid and an emulsifier, with the lubricating composition forming a single phase even when a carboxylic acid-based monomer is introduced with respect to the base oil. The lubricating composition suppresses plugging occurring in a process of preparing a copolymer derived from the carboxylic acid-based monomer. In addition, also provided is a method of inhibiting plugging using the lubricating composition for inhibiting plugging.

Abstract: In the present disclosure, a heterogeneous nickel-based oligomerization catalyst in which nickel in the form of single atom is loaded on an Al-mesoporous silicate support by ion exchange and a method for producing the same, and a method for oligomerizing light olefins, specifically C4 olefins using the catalyst are described.

Abstract: A design for a scan driver and a display device including the scan driver that is more resilient to electrostatic discharge. Thin film transistors within a stage are designed differently depending on whether or not a gate of the transistor is connected to an external source. Transistors whose gate is connected to an external source is specially designed to withstand electrostatic discharge applied to the gate thereof by one or more of increasing a number of channel areas, decreasing a length of an ohmic bridge, including a resistive element to the gate, decreasing a width of a channel areas, and increasing a width of the active layer.

Abstract: An access card providing method, an access card checking method, and an apparatus for performing the methods are disclosed. An access card providing method may comprise producing a virtual access card by a partner terminal desiring to produce the access card, which allows entering of an online or offline area of a partner, wherein the access card is provided through an application of a user terminal. An access card checking method may comprise, when a user terminal having issued an access card to an offline area of a partner recognizes identification information, identifying whether an access card corresponding to the identification information has been issued so as to check the access card.

Abstract: An electrode assembly, a battery, a battery pack and a vehicle are provided. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference, the first electrode includes a first active material portion coated with an active material layer along a winding direction and a first uncoated portion not coated with an active material layer, the first uncoated portion includes a plurality of independently bendable segments, a cut groove is interposed between adjacent segments along the winding direction, and a lower portion of the cut groove has a round portion.

Abstract: Discussed is a light-emitting display device, which emits light unchanged by maintaining a cavity of internal light using reverse cavity characteristics through an optical compensation structure, and achieves high luminance characteristics despite a change in a viewing angle, prevents external light from being reflected, and is excellent in terms of efficiency and lifespan by combining the optical compensation structure with a color filter structure. The optical compensation structure includes at least one first layer having a first refractive index and at least one second layer having a second refractive index greater than the first refractive index, the first layer being thicker than the second layer.

Abstract: Disclosed herein is a method of decoding an image. The method includes determining a prediction mode of a current block as a merge mode with motion vector difference (MMVD), deriving a merge candidate list of the current block, deriving a motion vector predictor of the current block using the merge candidate list, deriving a motion vector difference of the current block, and deriving a motion vector of the current block using the motion vector predictor and the motion vector difference. Only some of candidates in the merge candidate list are used to derive the motion vector predictor.

Abstract: A device includes: a display element layer disposed on a substrate, the display element layer including pixels; an encapsulation layer covering the display element layer; and a touch sensor disposed on the encapsulation layer. The touch sensor includes a first inorganic insulating layer disposed on the encapsulation layer; a first surface reinforcing layer formed by performing surface treatment on the first inorganic insulating layer and disposed on the first inorganic insulating layer; a first conductive layer disposed on the first surface reinforcing layer; a first organic insulating layer covering the first conductive layer; and a second conductive layer disposed on the first organic insulating layer and connected to the first conductive layer while penetrating the first organic insulating layer.

Abstract: A wireless power transmitting device according to an embodiment may include a power transmission circuit and a processor. The processor may be configured to control the power transmission circuit to wirelessly transmit power to a first area around the wireless power transmitting device, perform a predetermined first operation when an obstacle is detected in a second area around the first area, and perform a predetermined second operation when it is detected that the obstacle has entered the first area.

Abstract: An optical imaging system includes a first lens having positive refractive power, a second lens having refractive power, a third lens having refractive power, a fourth lens having refractive power, a fifth lens having negative refractive power, wherein the first to fifth lenses are sequentially disposed from an object side, and a reflective member having a plurality of reflective surfaces to reflect the light refracted by the fifth lens multiple times, wherein 3<BFL/TL<7 is satisfied, where BFL is a distance on an optical axis from an image-side surface of the fifth lens to an imaging plane, and TL is a distance on an optical axis from an object-side surface of the first lens to the image-side surface of the fifth lens.

Abstract: A method of fabricating a conductive pattern includes forming a conductive metal material layer and a conductive capping material layer on a substrate, forming a photoresist pattern as an etching mask on the conductive capping material layer, forming a first conductive capping pattern by etching the conductive capping material layer with a first etchant, forming a conductive metal layer and a second conductive capping pattern by etching the conductive metal material layer and the first conductive capping pattern with a second etchant, and forming a conductive capping layer by etching the second conductive capping pattern with a third etchant. The second conductive capping pattern includes a first region overlapping the conductive metal layer and a second region not overlapping the conductive metal layer, and the forming of the conductive capping layer includes etching the second region of the second conductive capping pattern to form the conductive capping layer.

Abstract: An embodiment method of controlling a bidirectional charging system includes operating a power supply mode to supply alternating current (AC) power to an external device connected to a vehicle, performing real-time current control to limit output current to a preset first current level or less during the power supply mode, determining that the real-time current control is not possible, in response to determining that the real-time current control is not possible, suspending the power supply mode temporarily, and resuming the power supply mode from a zero-crossing point of the AC power existing within a preset reference time from a time point at which the power supply mode is temporarily suspended.

Abstract: A battery charging apparatus includes a bi-directional charger including a first switching circuit connected to an AC terminal, a second switching circuit connected to a battery, and a transformer connected between the first switching circuit and the second switching circuit. The battery charging apparatus also includes a controller configured to switch a leg included in the first switching circuit based on a first carrier wave and a first duty command, configured to switch a leg included in the second switching circuit based on a second carrier wave and a second duty command, configured to adjust a phase of the second carrier wave compared to a phase of the first carrier wave by a phase shift angle according to an active power command, and configured to adjust a phase of the second duty command according to the reactive power command.

Abstract: A transmission apparatus of a single carrier-based wireless communication system is proposed. The transmission apparatus may include a transceiver, a memory configured to store one or more instructions; and a processor configured to execute the one or more instructions stored in the memory. The processor may generate data symbols by modulating traffic data, generate a cyclic prefix (CP) on the basis of the data symbols, and generate a pilot symbol for the data symbol. The transceiver may transmit a single carrier frequency domain equalizer (SC-FDE) frame including the data symbol, the CP, and the pilot symbol. The data symbols may include first data symbols and second data symbols. The pilot symbol may be transmitted after transmission of the first data symbols and before transmission of the second data symbols.

Abstract: A power conversion system of a battery for a vehicle includes a bidirectional charger configured to output a first active line voltage between a first active line and a neutral line and a second active line voltage between a second active line and the neutral line at different levels by converting a voltage of a battery into an AC voltage in a battery discharge mode, and a wiring swap device configured to electrically connect the first active line to a load-side first active line and to cross and electrically connect the second active line and the neutral line to a load-side neutral line and a load-side second active line, respectively.

Abstract: Disclosed is a display device and a method of manufacturing the same having improved reliability. In the display device, at least one of a plurality of dielectric films disposed between an oxide semiconductor layer and a light-emitting device includes a lower region disposed on the oxide semiconductor layer and an upper region disposed on the lower region, the upper region including a trap element configured to trap hydrogen, whereby reliability of a thin film transistor including the oxide semiconductor layer is improved.

Abstract: To output a virtual smoke image, an electronic device may receive a connection request from an aerosol generating device in a state of being paired with one or more external controllers, determine a controller type of the aerosol generating device, suspend pairing with a target external controller among the one or more external controllers when the determined controller type corresponds to a type of the target external controller, perform connection with the aerosol generating device, receive sensing information about a state of the aerosol generating device, generate a virtual smoke image based on the sensing information, and output the virtual smoke image through a display of the electronic device.

Abstract: The present invention provides a method of manufacturing a polyimide film including unit polymers that are omnidirectionally distributed, and a polyimide film. The present invention also provides a graphite sheet having good quality manufactured using the polyimide film.