Abstract: A ventilation and heating apparatus for a child seat is provided. A ventilation mat with an embedded heating wire is mounted on a body of the child seat, so ventilation air is discharged toward a child's body through the ventilation mat in summer or when ventilation is required, and heating wire embedded in the ventilation mat is driven in winter, thus providing a comfortable seating environment for a child sitting on the child seat, and improving the sitting comfort of a child.

Abstract: The automatic image painting device according to the present invention is a device for painting a specific image by spraying paint on a target surface, comprising a paint spray nozzle unit for spraying paint on the target surface in a straight-line pattern of a predetermined length, a support frame unit that supports the paint spray nozzle unit to enable movement along the X-axis, Y-axis, and Z-axis, a direction changing unit that rotates the paint spray nozzle unit at a predetermined position on the support frame unit to change the orientation of the straight-line pattern, and a control unit for controlling the movement of the paint spray nozzle unit on the support frame unit and the rotational movement of the paint spray nozzle unit.

Abstract: A display device includes a display unit including pixels connected to data lines and scan lines, first and second temperature sensors for sensing first and second temperatures of the display unit, a data driver configured to generate a data signal configured to be supplied to the data lines using output data, and attached to a first printed circuit board configured to be fixed to a rear surface of the display unit, a timing controller configured to generate the output data using input data, and attached to a second printed circuit board configured to be fixed to the rear surface of the display unit, and a storage having a temperature weight table including a weight corresponding to the first and second temperatures and a plurality of temperature tables including temperature information of the display unit corresponding to an attachment position of the second printed circuit board.

Abstract: A system and method for preventing hacking of blockchain is proposed.

Abstract: Proposed are an apparatus and a method for correcting a communication frequency of an electronic detonator, and the apparatus includes a communication packet reception part configured to receive communication packets generated at a preset frequency transmitted from a main control device, an oscillation frequency determination part configured to determine an oscillation frequency of an oscillator mounted in an MCU of an electronic detonator by referring to received communication packets, and an oscillation frequency correction part configured to analyze the communication packets by correcting a shift of a determined oscillation frequency.

Abstract: A method of fabricating a mask includes defining cell areas and a mask frame area on a silicon substrate, the mask frame area excluding the cell areas, the mask frame area may include a mask rib region partitioning the cell areas and an outer frame region disposed at an outermost position of the silicon substrate, forming a groove in the mask rib region, forming a metal mask rib by forming a metal in the groove, forming a photoresist pattern including openings in each of the cell areas, growing a plating film in each of the cell areas, forming a mask membrane formed of the plating film by removing the photoresist pattern, and etching a rear surface of the silicon substrate to form cell openings associated with the cell areas, respectively.

Abstract: An electrode, a method for manufacturing the electrode, and a lithium metal battery including the electrode are provided. The electrode includes a lithium matrix and a plurality of lithium ion conductive one-dimensional structures dispersed in various directions within the lithium matrix.

Abstract: A shoe care device includes an inner cabinet that has an accommodation space configured to accommodate shoes therein, an inlet defined at a first portion of the accommodation space and configured to supply air to the accommodation space, and an outlet defined at a second portion of the accommodation space and configured to suction air from the accommodation space. The shoe care device further includes a connection path configured to circulate air between the inlet and the outlet, a blowing fan disposed at the connection path and configured to blow air from the outlet toward the inlet, a dehumidifying material disposed at the connection path and configured to dehumidify the air blown by the blowing fan, a heater configured to heat the dehumidifying material, and a regeneration path configured to guide, to a location other than the inlet, the air having passed through the dehumidifying material heated by the heater.

Abstract: An apparatus for estimating bio-information is disclosed. The apparatus may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the force sensor; and a processor configured to obtain a first input value, a second input value, and a third input value based on the pulse wave signal and the force signal, to extract a feature vector by inputting the first input value, the second input value, and the third input value into a first neural network model, and to obtain the bio-information by inputting the feature vector into a second neural network model.

Abstract: Provided is an inductively coupled plasma device for treating an exhaust gas, the inductively coupled plasma device including: an inductively coupled plasma reactor installed on an exhaust pipe through which exhaust gas generated from a process chamber of a semiconductor manufacturing facility is discharged, the inductively coupled plasma reactor configured to generate inductively coupled plasma and treat the exhaust gas per repeated operation cycle; an electric power supply configured to supply radio frequency power to the inductively coupled plasma reactor through a transmission line; and an impedance matching unit configured to match impedance at a side of the inductively coupled plasma reactor and impedance at a side of the electric power supply to each other.

Abstract: Disclosed herein is a battery module. The battery module case can include a stepped structure to increase the bonding forces between components of the case to improve yield of a battery module. The battery module can include a main body with a bottom plate connected to first and second side surfaces at opposite lateral portions. The case can include a first end plate and a second end plate to connect to the main body and cover the front and rear surfaces. A cover plate can enclose the upper surface of the main body. The stepped structure can be along an edge of the bottom plate to connect with the first and second end plate.

Abstract: A method for manufacturing a deposition mask includes depositing a seed metal layer on a front surface of a silicon substrate, forming a first photoresist pattern defining first openings on the seed metal layer, growing a plating layer in the first openings of the first photoresist pattern, forming a mask membrane by removing the first photoresist pattern and leaving the plating layer, depositing a protection layer to cover a front surface of the mask membrane, forming a second photoresist pattern defining cell opening corresponding to unit masks, respectively, on a back surface of the silicon substrate, exposing the seed metal layer by etching the back surface of the silicon substrate using the second photoresist pattern as a mask, exposing a back surface of the mask membrane by etching the seed metal layer using the second photoresist pattern as a mask, and removing the protection layer.

Abstract: A semiconductor includes an active pattern with a lower pattern and sheet patterns spaced apart from the lower pattern in a first direction, a source/drain pattern on the lower pattern, the source/drain pattern being in contact with the sheet patterns, and gate structures on opposite sides of the source/drain pattern, the gate structures being spaced apart from each other along a second direction and including gate electrodes that surround the sheet patterns, wherein the source/drain pattern includes a first epitaxial region having at least one of antimony and bismuth, the first epitaxial region having a bottom part in contact with the lower pattern, but not with the sheet patterns, and a thickness of the bottom part increasing and decreasing away from the gate structures in the second direction, and a second epitaxial region on the first epitaxial region, the second epitaxial region including phosphorus.

Abstract: A pouch-type battery case according to an embodiment of the present invention can include a cup part configured to accommodate an electrode assembly of stacked electrodes and separators. The cup part comprises a plurality of outer walls forming a periphery of the cup part, and a plurality of die edges connecting the plurality of outer walls to a side or degassing part. At least one of the die edges can be rounded to define a curvature radius of 1 mm or less. The cup part can have a depth of 6.5 mm or less.

Abstract: A water-cooled heat dissipation module assembly capable of cooling a power module of a vehicle driving inverter system using a battery or fuel cell. The water-cooled heat dissipation module assembly includes a housing unit provided in the form of a housing having an opening portion at least partially opened at one side thereof. The housing unit and at least a part of a rim region of the cooling unit are made of a plastic material, and the housing unit and the cooling unit are joined to each other by plastic welding using a laser.

Abstract: A deposition mask includes a mask body including a silicon substrate, where a plurality of holes is defined through the mask body, and the mask body further includes mask grids extending to define the holes. A cross section of each mask grid has a reverse tapered shape having a width increasing from a back surface to an upper surface of the deposition mask, and each side surface of each mask grid defining a hole includes a first concave curved surface.

Abstract: Provided is a ferroelectric-based synaptic device and a three-dimensional synaptic device stack using the same. The synaptic device includes a source, a drain, a semiconductor body in which a channel region are formed, a gate electrode, and an insulating layer stack disposed between the semiconductor body and the gate electrode. The insulating layer stack includes: a charge trap layer disposed on the channel region of the semiconductor body and is made of a material capable of storing or trapping electric charges; a ferroelectric layer made of a ferroelectric material; and an insulating layer disposed between the charge trap layer and the ferroelectric layer. The synaptic device is characterized in that weight information is volatilely stored in the charge trap layer and non-volatilely stored in the ferroelectric layer.

Abstract: A massive multiple-input multiple-output (MIMO) antenna apparatus and a heat dissipation device therefor are disclosed. The present disclosure according to at least one embodiment provides a massive MIMO antenna apparatus including a board, a first blowing unit, and a second blowing unit. The board has at least one board surface that holds a distributed arrangement of a plurality of heat-generating components, has a width and a length longer than the width, and includes a first section having a first amount of heat generation and a second section having a second amount of heat generation greater than the first amount of heat generation, the first section and the second section being partitioned along a length direction of the board.

Abstract: The present disclosure relates to a recycled positive electrode active material, a method of producing the recycled positive electrode active material, and a secondary battery including the same. The recycled positive electrode active material, including: 60 mol % or more of Ni; and crystalline LiF, or 0.24% by weight or less of residual Li2CO3, where the recycled positive electrode active material is one or more selected from the group consisting of a lithium nickel oxide (LNO)-based positive electrode active material, a nickel·cobalt·manganese (NCM)-based positive electrode active material, a nickel·cobalt·aluminum (NCA)-based positive electrode active material, and a nickel·cobalt·manganese·aluminum (NCMA)-based positive electrode active material.