Abstract: A quantum dot including a semiconductor nanocrystal core and a semiconductor nanocrystal shell disposed on the core and does not include cadmium, wherein the core includes a Group III-V compound, the quantum dot has a maximum photoluminescence peak in a green light wavelength region, a full width at half maximum (FWHM) of the maximum photoluminescence peak is less than about 50 nanometers (nm), and a difference between a wavelength of the maximum photoluminescence peak and a first absorption peak wavelength of the quantum dot is less than or equal to about 25 nanometers, and a production method thereof.

Abstract: Disclosed is a pick-up system including a pick-up target configured to provide a pick-up feature point, a pick-up unit configured to pick up the pick-up target, a correction marker that is a three-dimensional structure installed around the pick-up target, a scanner configured to use structured light, detect a target object including the pick-up target and the correction marker installed around the pick-up target, and create a point cloud including the pick-up feature point and the correction feature points, an analysis unit configured to calculate pick-up information including posture information and movement information, which allow the pick-up unit to pick up the pick-up target, by comparing the pick-up feature point and the correction feature points, and three-dimensional shape information on the pick-up target and the correction marker installed around the pick-up target, and a control unit configured to control a posture and movement of the pick-up unit.

Abstract: The present disclosure relates to an apparatus for accommodating copper foil. The apparatus includes an accommodation body having an accommodation space which accommodates copper foil wound on a core, a support portion coupled to the accommodation body and configured to support both ends of the core, and an elastic member disposed between the support portion and the core and configured to support the core. Here, the elastic member includes a body portion, a plurality of first protrusions arranged on a top surface of the body portion and extending in a longitudinal direction of the core, and a plurality of second protrusions arranged on a bottom surface of the body portion and extending in a direction perpendicular to the extending direction of the plurality of first protrusions. Accordingly, vibrations may be buffered in a frequency band of vibrations occurring in a transportation process.

Abstract: The present invention relates a vacuum carburizing harmful exhaust gas reduction apparatus and vacuum carburizing harmful exhaust gas reduction method using the same. vacuum carburizing harmful exhaust gas reduction apparatus includes a high-temperature decomposition unit configured to heat exhaust gases discharged from a vacuum pump in the vacuum carburizing process to a temperature ranging from 500 to 1500° C., and a high-temperature catalyst unit comprising a supported catalyst supporting a catalyst including one or more selected from a group including platinum (Pt), palladium (Pd), and alloys thereof and configured to allow the exhaust gases heated in the high-temperature decomposition unit to contact the supported catalyst. According to the present invention, it is possible to significantly reduce harmful substances such as carbon monoxide, nitrogen oxides, benzene, and total hydrocarbons (THC) in the exhaust gases expelled by the vacuum pump during the vacuum carburizing process.

Abstract: The AC/DC converter according to one embodiment of the present invention comprises: a power unit comprising a plurality of power input lines; a main bridge circuit into which input power is input via the power unit; a relay connected in parallel to both ends of any one of the power input lines; and a control unit for controlling the opening/closing of the relay on the basis of the type of input power.

Abstract: Disclosed is a system for managing a vehicle battery that is chargeable/dischargeable and stores energy for driving a vehicle driving motor. The system for managing the vehicle battery as disclosed includes a controller that measures a polarization voltage of each of a plurality of battery cells in a vehicle battery after charging of the vehicle battery is terminated, and determines whether each of the plurality of battery cells is abnormal based on the measured polarization voltage.

Abstract: A head-mounted display device includes a display panel and an optical system positioned on a front surface of the display panel, wherein the display panel sequentially includes a light emitting element unit, a retarder positioned on a front surface of the light emitting element unit, a reflective polarizer, and an absorptive polarizer, wherein the optical system includes a first curved lens configured to include a first retarder positioned on an inner surface and a beam splitter positioned on an outer surface and a second curved lens configured to include a second retarder positioned on an inner surface and a reflective polarizer positioned on an outer surface, wherein the first curved lens is positioned on the display panel, and the second curved lens is positioned on the first curved lens, and wherein the absorptive polarizer of the display panel includes an open portion from which the absorptive polarizer is removed.

Abstract: A mapping function extraction system includes a scan unit for generating appearance data of a multi-channel lens by scanning the multi-channel lens, a comparison unit for generating correction data by comparing the appearance data with pre-stored standard appearance data, and an extraction unit for generating a mapping function by applying the correction data to a pre-stored standard mapping function.

Abstract: A battery cell assembly is provided. The battery cell assembly includes at least one pouch-type battery cell including an electrode lead, a cell cover surrounding the at least one pouch-type battery cell and having a front open end or a rear open end, a bus bar connected to the electrode lead of the at least one pouch-type battery cell, a bus bar frame supporting the bus bar and covering the front open end or the rear open end of the cell cover where the electrode lead is located, and a flame blocking member including a mesh net formed of a material with high rigidity and high heat resistance coupled to a body of the bus bar.

Abstract: A quantum dot including a core including a first semiconductor nanocrystal including zinc, selenium, and tellurium, and a semiconductor nanocrystal shell disposed on the core, the semiconductor nanocrystal shell including zinc, and selenium, sulfur, or a combination thereof, wherein the quantum dot does not include cadmium, a mole ratio of tellurium relative to selenium in the first semiconductor nanocrystal is greater than about 1:1, a mole ratio of a sum of selenium and sulfur relative to in the quantum dot is greater than about 1:1, a wavelength of a maximum emission peak of the quantum dot is in a range of about 500 nanometers (nm) to about 550 nm, and the quantum dot has quantum efficiency (QY) of greater than or equal to about 30%, a quantum dot-polymer composite including the quantum dot, a display device including the quantum dot-polymer composite, and an electroluminescent device including the quantum dot.

Abstract: A quantum dot including a core including a quaternary alloy semiconductor nanocrystal and not including cadmium, a composition and a quantum dot polymer composite including the same, and an electronic device including the same. The quaternary alloy semiconductor nanocrystal comprises indium (In), phosphorous (P), zinc (Zn), and selenium (Se), and in the core, a ratio of the zinc with respect to the indium is less than or equal to about 0.5:1 and in the core, a ratio of selenium with respect to zinc is less than or equal to about 0.6:1.

Abstract: A display device includes: a base layer; a pixel circuit layer disposed on the base layer, wherein the pixel circuit layer includes a pixel circuit; a light emitting element layer disposed on the pixel circuit layer, wherein the light emitting element layer includes a light emitting element electrically connected to the pixel circuit; and a reflective structure layer disposed on the light emitting element layer, wherein the reflective structure layer includes: a first intermediate layer disposed on the light emitting element; a first reflective layer disposed on the first intermediate layer; a second intermediate layer disposed on the first reflective layer; and a second reflective layer disposed on the first reflective layer while being spaced apart from the first reflective layer, wherein the first reflective layer includes a first curved surface, and wherein the second reflective layer includes a second curved surface which faces the first curved surface.

Abstract: A semiconductor device may include: a first conductive line; a second conductive line disposed over the first conductive line and spaced apart from the first conductive line; a memory cell disposed between the first conductive line and the second conductive line and including a memory layer; and one or more shield layers disposed at least one of at a first location over the memory layer or a second location under the memory layer, the one or more shield layers including an MXene material.

Abstract: The present invention relates to an anticancer agent capable of overcoming EGFR-TKI resistance in KRAS mutant cancer. GW8510 according to the present invention is an effective inhibitor against oncogenic mutation, especially, KRAS mutation, which is associated to resistance of the anticancer agent EGFR inhibitor and remarkably inhibits expression of both the wild-type and various mutants of KRAS, whereby the drug itself exhibits an anticancer effect, surmounts anticancer agent resistance, and noticeably promotes the death of anticancer agent-resistant cancer cells when used in combination with an anticancer agent. Thus, the inhibitor finds advantages applications in treating cancers, especially anticancer agent resistant cancers.

Abstract: The embodiment relates to an image stabilization device and a camera module including the same. The image stabilization device according to the embodiment includes: a first prism for changing a path of a light beam; a second prism disposed below the first prism and changing a path of light beam emitted from the first prism; an image stabilization control unit for controlling a shape of the second prism including a coil part and a magnet part. The first prism may be disposed inside the image stabilization control unit. The second prism may be a variable wedge prism. The image stabilization control unit may control the path of the light beam by changing the shape of the second prism through the magnet part.

Abstract: The present disclosure relates to a working fluid stabilization device for an agricultural work vehicle, the working fluid stabilization device including: a case configured such that a working fluid is accommodated therein; a gear part disposed inside the case; a suction part formed in the bottom of the case, and connected to a suction pipe; and a baffle means disposed inside the case, and configured to alleviate the introduction of bubbles in the working fluid, generated by the rotation of the gear part, into the suction part. According to the present invention, there is an effect of preventing or alleviating the introduction of bubbles into the suction part of a transmission device.

Abstract: The present invention relates to a plant-based COVID-19 variant recombinant spike protein expression vector, and a recombinant protein using the expression vector, wherein a plant expression system is used such that the recombinant protein does not have the disadvantages of animal-derived recombinant proteins and exhibits an excellent SARS coronavirus 2 prevention and treatment effect, and thus can be effectively utilized as a safe composition for preventing and treating COVID-19.

Abstract: An electric compressor of an air conditioning system and a control method thereof. In one method, a stable operation of the electric compressor is ensured by means of logic to protect an inverter unit provided in the electric compressor before an inverter element is damaged due to overheating, so that safety can be secured.