Abstract: A heat treatment apparatus includes a furnace body, a roller inside the furnace body, a heater inside the furnace body, an upper and lower discharge pipes on the furnace body, and a lower supply pipe on the lower part of the furnace body. The furnace body includes areas having the upper and lower discharge pipes, the areas including a first area to an Nth area disposed sequentially along a second direction being a transport direction of each of the materials, a length of the first area in the second direction is shorter than lengths of the second area to the Nth area in the second direction, and in each of the first area to the Nth area, the upper discharge pipe and the lower supply pipe are not arranged in a straight line in a third direction being a height direction to be misaligned from each other.

Abstract: A pixel includes first, second, and third sub-pixels each including an emission area and a non-emission area. Each of the first, second, and third sub-includes a pixel circuit layer; a first electrode on the pixel circuit layer; a pixel defining layer on the first electrode and including an opening to expose an area of the first electrode; an emission layer on the pixel defining layer; a second electrode on the emission layer; a thin film encapsulation layer over the second electrode; a color filter on the thin film encapsulation layer; and an overcoat layer over the color filter. The overcoat layer has a refractive index greater than a refractive index of the color filter. A color filter of the second sub-pixel overlaps a color filter of each of the first and third sub-pixels in the non-emission area.

Abstract: The present disclosure relates to a method and apparatus for non-invasive estimation of glycated hemoglobin (HbA1c) or blood glucose by using machine learning, the method comprising: a sig nal collection stage of collecting a bio-signal of a measurement subject to be measured; a feature extraction stage of extracting a plurality of features from the bio-signal; a machine learning model construction stage of constructing a machine learning model for estimating glycated hemoglobin or blood glucose by learning training data including the plurality of features; and a glycated hemoglobin/blood glucose estimation stage of generating input data on the basis of the bio-signal extracted from the measurement subject being measured and inputting the input data to the machine learning model, so as to estimate glycated hemoglobin or blood glucose of the measurement subject being measured.

Abstract: A vertical semiconductor device and a method for fabricating the same may include forming an alternating stack of dielectric layers and sacrificial layers over a lower structure, forming an opening by etching the alternating stack, forming a non-conformal blocking layer on the alternating stack in which the opening is formed, adsorbing a deposition inhibitor on a surface of the blocking layer to convert the non-conformal blocking layer into a conformal blocking layer on which the deposition inhibitor is adsorbed, and forming a charge storage layer on the conformal blocking layer.

Abstract: A secondary battery includes: a can having an accommodation space therein; an electrode assembly accommodated in the accommodation space in the can; and a cap assembly sealed with the can. The can has a beading part recessed into a side wall of the can at a region below where the cap assembly is accommodated, and the beading part has an acute angle with respect to the side wall of the can.

Abstract: A copolymer including a structural unit represented by Chemical Formula 1 wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.

Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.

Abstract: A battery defect screening device including a battery fixer for fixing a battery, a discharger, a charger, a voltmeter for measuring an initial voltage value, a first voltage value, and a second voltage value, and a defect screener for determining the battery to be normal when a first voltage change value, which is obtained by subtracting the first voltage value from the initial voltage value, is less than a first reference value, to have a hard short due to the foreign material when the first voltage change value is greater than the first reference value, to be normal when a second voltage change value, which is obtained by subtracting the second voltage value from the initial voltage value, is less than a second reference value, and to have a soft short due to the foreign material when the second voltage change value is greater than the second reference value.

Abstract: A battery defect screening device including a battery fixer for fixing a battery, a discharger, a charger, a voltmeter for measuring an initial voltage value, a first voltage value, and a second voltage value, and a defect screener for determining the battery to be normal when a first voltage change value, which is obtained by subtracting the first voltage value from the initial voltage value, is less than a first reference value, to have a hard short due to the foreign material when the first voltage change value is greater than the first reference value, to be normal when a second voltage change value, which is obtained by subtracting the second voltage value from the initial voltage value, is less than a second reference value, and to have a soft short due to the foreign material when the second voltage change value is greater than the second reference value.

Abstract: The present invention relates to a lithium secondary battery, comprising: a negative electrode comprising a negative electrode active material layer comprising a soft carbon negative electrode active material and a byproduct having an average particle size (D50) of 10 to 70 nm; a positive electrode comprising a positive electrode active material; and an electrolyte.

Abstract: The present invention relates to a lithium secondary battery, comprising: a negative electrode comprising a negative electrode active material layer comprising a soft carbon negative electrode active material and a byproduct having an average particle size (D50) of 10 to 70 nm; a positive electrode comprising a positive electrode active material; and an electrolyte.

Abstract: The present disclosure relates to electronic devices and methods for controlling power supplied to earphones. According to an embodiment of the present disclosure, a method for controlling power by an electronic device may comprise applying a power to an earphone corresponding to sensing a coupling of the earphone, adjusting the power applied to the earphone corresponding to sensing an input through a button of an earphone, and applying the adjusted power.

Abstract: A rechargeable battery including an electrode assembly including a first electrode and a second electrode; electrode terminals electrically coupled to the electrode assembly; a case in which the electrode assembly is placed; a cap plate in an opening of the case to seal the case, the cap plate including a vent hole; and a fluorescent coating between the cap plate and the opening of the case.

Abstract: The present disclosure relates to electronic devices and methods for controlling power supplied to earphones. According to an embodiment of the present disclosure, a method for controlling power by an electronic device may comprise applying a power to an earphone corresponding to sensing a coupling of the earphone, adjusting the power applied to the earphone corresponding to sensing an input through a button of an earphone, and applying the adjusted power.

Abstract: A rechargeable battery including an electrode assembly including a first electrode and a second electrode; electrode terminals electrically coupled to the electrode assembly; a case in which the electrode assembly is placed; a cap plate in an opening of the case to seal the case, the cap plate including a vent hole; and a fluorescent coating between the cap plate and the opening of the case.

Abstract: A battery module is provided in which battery cells are closely connected to each other, thereby improving the performance of the battery module. The battery module includes a plurality of battery cells, a terminal connector and a housing. Each battery cell has a terminal on one surface thereof, and the plurality of battery cells are aligned in one direction. The terminal connector connects adjacent terminals of first and second battery cells. The housing accommodates the plurality of battery cells therein. In the battery module, the terminal includes first and second contact portions formed in parallel and spaced apart from each other, and a first connecting portion connected to one end of the first contact portion and one end of the second contact portion. In the battery module, the terminal connector is forcibly inserted between the first and second contact portions.

Abstract: A battery module including a plurality of battery cells each including a terminal portion on one surface thereof, and each having a resistance, the plurality of battery cells being aligned in one direction, and the plurality of battery cells including a battery cell having a first resistance and a battery cell having a second resistance, the second resistance being different from the first resistance, and a busbar that connects terminal portions of the plurality of battery cells. The busbar includes a first busbar and a second busbar, the second busbar having a material or a thickness different from a material of the first busbar. The first busbar is connected to the terminal portion of the battery cell having the first resistance, and the second busbar is connected to the terminal portion of the battery cell having the second resistance.

Abstract: A solid oxide fuel cell (SOFC) stack is disclosed. The SOFC may include an oxidizing agent flow path fluidly connecting a first oxidizing agent chamber and a second oxidizing agent chamber. The first oxidizing agent chamber may include an oxidizing agent supply pipe through which an oxidizing agent is flowed from an outside thereof. The second oxidizing agent chamber may perform a reduction reaction on the oxidizing agent received from the first oxidizing agent chamber. In operation, a fluid flows between the first and second oxidizing agent chambers, and may be provided to an outside of the second oxidizing agent chamber. Further, the structure of the flow path may allow heat to be conducted from the second oxidizing agent chamber.

Abstract: A solid oxide fuel cell and a manufacturing method thereof includes a unit cell and a cell coupling member. The unit cell includes a first electrode layer, an electrolyte layer surrounding an outer peripheral surface of the first electrode layer, and a second electrode layer surrounding the electrolyte layer so that one end portion of the electrolyte layer is exposed. The cell coupling member is coupled to the unit cell and includes a coupling member. A sealing member including at least two layers having different porosities is coated on at least one portion of the coupling member to seal the unit cell and the cell coupling member.

Abstract: A battery module including a plurality of battery cells aligned in one direction, the plurality of battery cells each having a vent on a top surface thereof; and at least one vent cover covering the vent and covering side surfaces of the plurality of battery cells, wherein one vent cover covers outer side surfaces of outermost battery cells among the aligned plurality of battery cells, or a plurality of vent covers cover side surfaces of a battery cell of the plurality of battery cells.