Abstract: The present invention relates to a method for synthesis of 3-phenyl-2,3,4,8,9,10-hexahydropyrano[2,3-f]chromene derivatives.

Abstract: The present invention relates to glasses capable of selective smart control of fragrance capsules, and more specifically, to glasses capable of emitting fragrance, including glasses legs connected to each side of a spectacle frame or lens.

Abstract: A semiconductor device includes an interval control circuit configured to generate a detection interval signal by detecting that an internal address, which is input right before a pulse of a row hammer command signal is generated, is sampled as a target address, a signal correction circuit configured to generate a correction random signal adjust the internal address so that the internal address is sampled as the target address less than or equal to a preset number of times between consecutive pulses of the row hammer command signal during a designation interval and a detection interval in which the detection interval signal is activated, and a row hammer refresh circuit configured to execute a row hammer refresh based on the target address that is generated in response to the correction random signal.

Abstract: A wireless lighting control system is provided to create a lighting pattern by remotely controlling a plurality of lighting devices according to groups, thereby improving a lighting effect. The wireless lighting control system includes a first lighting device electrically connected with a first smart device to act as a master, and a plurality of second lighting devices electrically connected with a plurality of second smart devices to act as slaves, respectively. If a group for lighting control and control pattern information according to groups are selected from the first smart device, the first lighting device transmits the control pattern information according to the groups to the second lighting devices through a wireless communication scheme. At least one of lighting units of the second lighting devices and display units of the second smart devices is controlled based on the control pattern information according to the groups.

Abstract: A cutting insert includes a first side cutting edge formed at an edge portion where a first side surface, which is one of the side surfaces, meets an upper surface or a lower surface; a second side cutting edge formed at an edge portion where a second side surface, which is one of the side surfaces, meets the upper surface or the lower surface; and a corner cutting edge located between the first and second side cutting edges and having one end continuous with the first side cutting edge and the other end continuous with the second side cutting edge, the corner cutting edge having a part whose height is constant and a part whose height changes continuously relative to a horizontal plane together.

Abstract: A sulfur dioxide-based inorganic electrolyte solution is doped with an iodine compound. A method of manufacturing the inorganic electrolyte solution includes preparing a powder salt by mixing a metal chloride, aluminum chloride and an iodine compound, and synthesizing the inorganic electrolyte solution by injecting sulfur dioxide (SO2) gas into the powder salt. The inorganic electrolyte solution is represented by Chemical Formula 1: M·(AlCl(4-x)Ix)z·ySO2, where M is at least one selected from the group consisting of Li, Na, K, Ca, and Mg, 0<x?1, 0<y?6, and 1?z?2. Reliability and stability of the battery are improved by suppressing growth of dendrites and reducing overvoltage occurring during charging and discharging of the battery by performing pre-treatment of lithium metal using the inorganic electrolyte solution.

Abstract: A display device includes a display panel; a timing controller configured to output image data; a data driver configured to receive the image data from the timing controller, to divide the received image data into first image data and second image data, and to alternately output the first image data and the second image data; and a switching circuit configured to receive the first image data and the second image data from the data driver, to supply the first image data to sub-pixels of a first group in the display panel, and to supply the second image data to sub-pixels of a second group in the display panel, wherein the timing controller is configured to: identify that a lock fail of a clock signal has occurred in the data driver upon receiving a first control signal from the data driver.

Abstract: Disclosed are a guide module and a driving device provided with the same.

Abstract: A secondary battery includes: a prismatic case having at least one end open; an electrode assembly accommodated in the case; a pair of current collection plates at both ends of the electrode assembly in the longitudinal direction and electrically connected to the electrode assembly; and a pair of cap assemblies each coupled to both open ends of the case and having terminal portions electrically connected to the current collection plate, wherein each of the terminal portions may include a terminal post that protrudes toward the current collection plate and is electrically connected to the current collection plate.

Abstract: A display device comprises pixels arranged in a display area of a display panel, and a display driver determining whether image data indicates still image characteristics or moving image characteristics and controlling a supply timing of data voltages and pixel driving control signals supplied to the pixels based on the determination result, wherein the display driver selectively adjusts a driving frequency for driving the pixels and a level of a high-potential voltage supplied to the pixels based on as result of grayscale analysis of the image data.

Abstract: Disclosed is a substrate treating apparatus including: a substrate support unit for supporting and rotating a substrate; a liquid supply unit for supplying a treatment solution onto the substrate; a collection cup provided to surround the substrate support unit, and having a plurality of collection spaces for collecting a treatment solution scattered from the substrate; a lifting unit for changing a relative position between the collection cup and the substrate; and a controller for controlling the lifting unit to vary a relative height between the substrate and the collection cup in accordance with a process recipe for treating the substrate.

Abstract: A method for preparing a positive electrode active material includes: a step for adding a reaction mixture containing a lithium-raw material and a nickel-manganese-cobalt precursor into a first crucible and performing a first heat treatment at a temperature of 500-800° C. to form a pre-sintered mixture; a step for extracting the pre-sintered mixture from the first crucible and pulverizing or classifying the same; and a step for adding the pulverized or classified pre-sintered mixture into a second crucible and performing a second heat treatment at a temperature of 700-1000° C. under an atmosphere in which an oxygen partial pressure is 20% or less to form a lithium nickel-manganese-cobalt-based positive electrode active material, wherein a volume of the pre-sintered mixture formed after the first heat treatment is reduced to a volume that is 20-50% of a volume of the reaction mixture added into the first crucible.

Abstract: A wireless lighting control system is provided to create a lighting pattern by remotely controlling a plurality of lighting devices according to groups, thereby improving a lighting effect. The wireless lighting control system includes a first lighting device electrically connected with a first smart device to act as a master, and a plurality of second lighting devices electrically connected with a plurality of second smart devices to act as slaves, respectively. If a group for lighting control and control pattern information according to groups are selected from the first smart device, the first lighting device transmits the control pattern information according to the groups to the second lighting devices through a wireless communication scheme. At least one of lighting units of the second lighting devices and display units of the second smart devices is controlled based on the control pattern information according to the groups.

Abstract: A display device and a method of driving the same are provided. The method of driving the display includes a display area to display an image. The method includes performing a first first pixel shift driving by shifting an image by a first range in the display area without loss of image information due to enlargement or reduction of the image, checking whether a change of a block grayscale value is greater than or equal to a threshold in an interest area in the display area, and performing second pixel shift driving by shifting an image having the loss of image information.

Abstract: A positive electrode material for a secondary battery and a method of making the same is disclosed herein. In some embodiments, a positive electrode active material includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide includes 60 mol % or more of the nickel (Ni) among metals excluding lithium, and a coating layer is formed on surfaces of particles of the lithium composite transition metal oxide, wherein the coating layer includes a lithium-polymer compound which is formed by a reaction of a lithium by-product with a polymer.

Abstract: According to the present disclosure, provided is a method for determining phase transition temperature using electrical conductivity. More specifically, according to the present disclosure, there is provided a method for determining phase transition temperature using electrical conductivity, including preparing a graph of the change in electrical conductivity of molten salts according to temperature, and performing at least one mathematical analysis of (i) performing a first-order differential on the graph, (ii) performing a second-order differential on the graph; and (iii) determining the number (n) of data and resolution (AT) based on the graph to derive Tn by Equation (1) below and performing linear regression analysis on a linear section to detect an outlier based on a distance from the linear regression equation, T n = T max - ? ? T × n Equation ? ( 1 ) where n denotes the number of data, and ?T denotes an interval of measurement temperature and means resolution.

Abstract: A memory controller includes a plurality of processors, a memory device and a memory manager. The memory device includes a plurality of segments, which are divided into a plurality of segment groups, to which group identifiers are respectively assigned. The memory manager is configured to map a first buffer identifier to a first group identifier from among the group identifiers, select one or more segments only from a first segment group, to which the first group identifier is assigned among the plurality of segment groups, map the first buffer identifier to the one or more segments, and allocate, to a first processor from among the plurality of processors, the first buffer identifier and the one or more segments.

Abstract: A power transmission apparatus and a manufacturing method thereof are disclosed. A power transmission apparatus according to an embodiment of the inventive concept includes: a circular rack to which a motor generating power is connected to form an input shaft; a pair of upper pinions gear-engaged with both sides of the circular rack, configured to adjust an assembly distance from the circular rack through a predetermined pinion assembly distance adjuster, and decelerating power received from the circular rack by a reduction ratio of a built-in deceleration structure and transferring decelerated power; a pair of lower pinions respectively one-to-one connected to the pair of upper pinions, and decelerating the power received from the upper pinion by a reduction ratio of a built-in deceleration structure and transferring decelerated power; and a rack/pinion fixing plate to which the circular rack is fixed and to which the pair of upper pinions and the pair of lower pinions are assembled to be movable and fixed.