Abstract: Provided is a display device comprising a display panel, a metal plate on a bottom surface of the display panel, the metal plate including a first surface facing the bottom surface of the display panel and a second surface opposite to the one surface, and a fingerprint sensor overlappingly disposed on the second surface of the metal plate, wherein the metal plate includes an indentation groove recessed in a direction toward the first surface from the second surface of the metal plate, and the fingerprint sensor is disposed on the second surface of the metal plate on which the indentation groove is formed.

Abstract: A panel packaging tray includes a packaging case including a sidewall which defines a receiving section in which a display panel is accommodated and a plurality of supports disposed on an inside surface of the sidewall, where the supports guide a position of the display panel on a plane crossing the inside surface. A supporter of the supports includes a fixing unit coupled with the sidewall and a buffer unit disposed between the fixing unit and the display panel. The buffer unit includes a straight portion, a corner portion, and a curved portion located between the straight portion and the corner portion, based on a direction parallel to the plane. A curvature of a curved surface included in the curved portion is determined by a maximum tilt angle by which the display panel is allowed to be tilted in a state of being accommodated in the receiving section.

Abstract: A transmission/reception method and device for isolated communication is proposed. The transmission/reception method includes performing transmission, wherein bit streams are extracted from data and two or more predetermined number of bits are modulated into one DC balanced symbol so as to generate a signal in which a plurality of symbols are listed, thereby transmitting the signal through an isolated communication circuit, and performing reception, wherein the signal is received through the isolated communication circuit and the plurality of symbols included in the signal are demodulated into the two or more predetermined number of bits so as to generate the bit streams and organize the bit streams into the data. The transmission/reception method and device may reduce power consumption at the same communication speed because a plurality of bits is represented by the one DC balanced symbol.

Abstract: A lithium secondary battery includes a positive electrode including a first positive electrode active material and a second positive electrode active material and a negative electrode including a first negative electrode active material and a second negative electrode active material. The first positive electrode active material may have a higher specific capacity value than the second positive electrode active material, the first negative electrode active material may have a higher specific capacity value than the second negative electrode active material, and the lithium secondary battery may have an R value of 0.1 to 35 according to Equation 1 below. R ? = X / Y [ Equation ? 1 ] In Equation 1, X is a content ratio of a positive electrode active material and Y is a content ratio of a negative electrode active material.

Abstract: A method for preventing or treating a metabolic disease includes administering to an individual a composition comprising at least one of a Lactobacillus plantarum-derived polysaccharide or and a Lactobacillus plantarum extract. The metabolic disease may be metabolic disease is at least one selected from the group consisting of insulin resistance, type 2 diabetes, hyperlipidemia, fatty liver, obesity and/or inflammation.

Abstract: Provided are a battery management system and a battery management method using the same. According to the present invention, it is possible to select high-risk battery cells that are highly likely to be out of an operating voltage range by applying a change amount according to SoH for each of the battery cells to each SoC for each of the battery cells, and calculate the representative SoH of the battery pack based on the selected high-risk battery cells, and then calculate the actual usable capacity of the battery pack.

Abstract: Provided is a battery management system and method for selecting at least one battery cell of a high-risk group and calculating a maximum current limit value for stably using a battery pack using the selected at least one battery cell of the high-risk group. According to the present invention, the battery cells of high-risk group may be selected and managed by calculating a maximum voltage change amount of a plurality of battery cells, and the battery pack may be stably used by calculating a maximum current limit value that prevents the battery cell from being out of an operating voltage range to have a maximum margin.

Abstract: Provided are a battery management system and a battery management method using the same. According to the present invention, it is possible to select high-risk battery cells that are highly likely to be out of an operating voltage range by applying a change amount according to SoH for each of the battery cells to each SoC for each of the battery cells, and calculate the representative SoH of the battery pack based on the selected high-risk battery cells, and then calculate the actual usable capacity of the battery pack.

Abstract: Provided is a battery management system and method for selecting at least one battery cell of a high-risk group and calculating a maximum current limit value for stably using a battery pack using the selected at least one battery cell of the high-risk group. According to the present invention, the battery cells of high-risk group may be selected and managed by calculating a maximum voltage change amount of a plurality of battery cells, and the battery pack may be stably used by calculating a maximum current limit value that prevents the battery cell from being out of an operating voltage range to have a maximum margin.

Abstract: A powered air purifying respirator composing 2-channel structure for air support includes: a mask unit that is worn on a face to surround a mouth or nostrils of a user; a generator unit that causes outside air to flow in and supplies the air to the mask unit; and first and second connector units that are formed to provide channels of the air by being connected to the mask unit and the generator unit at both sides of the first and second connectors, where the generator unit includes a fan driving module having first and second air supply holes at both sides of the fan driving module, the first and second air supply holes communicating with end portions of the first and second connector units.

Abstract: A panel packaging tray includes a packaging case including a sidewall which defines a receiving section in which a display panel is accommodated and a plurality of supports disposed on an inside surface of the sidewall, where the supports guide a position of the display panel on a plane crossing the inside surface. A supporter of the supports includes a fixing unit coupled with the sidewall and a buffer unit disposed between the fixing unit and the display panel. The buffer unit includes a straight portion, a corner portion, and a curved portion located between the straight portion and the corner portion, based on a direction parallel to the plane. A curvature of a curved surface included in the curved portion is determined by a maximum tilt angle by which the display panel is allowed to be tilted in a state of being accommodated in the receiving section.

Abstract: A management system and a control method are disclosed to transmit/share fault state information immediately without constructing a separate communication path for transmitting fault state information.

Abstract: A battery system includes first to N-th battery modules sequentially connected in a daisy chain configuration; and a master controller connected to the first battery module through an interface IC, selecting at least one target module among the first to N-th battery modules, and transmitting a control command for the target module. The target module unidirectionally transmits the control command received from the master controller, and bidirectionally transmits response data generated in response to the control command. The master controller selects the N-th battery module as the target module first, and selects the first battery module as the target module last.

Abstract: A transmission/reception method and device for isolated communication is proposed. The transmission/reception method includes performing transmission, wherein bit streams are extracted from data and two or more predetermined number of bits are modulated into one DC balanced symbol so as to generate a signal in which a plurality of symbols are listed, thereby transmitting the signal through an isolated communication circuit, and performing reception, wherein the signal is received through the isolated communication circuit and the plurality of symbols included in the signal are demodulated into the two or more predetermined number of bits so as to generate the bit streams and organize the bit streams into the data. The transmission/reception method and device may reduce power consumption at the same communication speed because a plurality of bits is represented by the one DC balanced symbol.

Abstract: A battery management system includes a microcontroller unit which transmits and receives communications information through a communications input/output terminal, a fault generator unit which generates fault information and transmits the fault information through a fault information output terminal, and a battery cell monitoring unit which is coupled to the communications input/output terminal and the fault information output terminal and diagnoses an operation of internal function based on the fault information transmitted from the fault generator unit and outputs an internal diagnosis result value to the microcontroller unit.

Abstract: The present invention relates to a battery pack system. In the battery pack system including a multi-battery according to the present invention, replacement may be easily performed in a lower unit of the battery pack system, the battery pack system including a multi-battery may include the battery modules having various forms and performances and capable of being arranged so as to increase space efficiency of the battery pack system, the battery pack system including a multi-battery includes the battery modules having various forms and performances, such that an energy density of the battery pack system may be improved, and the battery pack system including a multi-battery may allow battery modules having various performances and outputs to maintain states of charge (SOCs) (%) in a uniform ratio by estimating the SOCs of the respective battery modules and re-scaling the SOCs according to a capacity criterion of a control unit.

Abstract: Provided are a cell screening device for selecting battery cells of a high-risk group, and a cell screening method using the same. According to the present invention, the battery cells may be ordered in the order of high probability of being out of an upper limit value or a lower limit value of an operating voltage among a plurality of battery cells using state information calculated for each battery cell, thereby making it possible to select the battery cells of the high-risk group.

Abstract: A facial protection equipment for an easy operation of rotating opening and closing, includes: a facial protection unit of which one side is supported at one side of a face of an operator and which shields and protects at least the one side of the face of the operator; a fixing unit that is worn on a head of the operator; and a connection member of which one end portion is coupled to one side of the fixing unit to be rotatable in an up-down direction and another end portion is coupled to the facial protection unit, where the connection member has a pivot bracket of which one end portion is coupled to the one side of the fixing unit to be rotatable in the up-down direction.

Abstract: A blade for a gas turbine includes an external structure including a plurality of seating grooves which are separately disposed in a chord direction toward a trailing edge from a leading edge, an internal structure received in the external structure and including a plurality of protrusions protruding toward an internal side of the external structure, a plurality of porous strips combined to the seating groove in an attachable/detachable way, and a coolant channel formed for a coolant to flow among the porous strip, the neighboring protrusions, and an external side of the internal structure.

Abstract: Provided are a battery management system and a battery management method using the same. According to the present invention, it is possible to select high-risk battery cells that are highly likely to be out of an operating voltage range by applying a change amount according to SoH for each of the battery cells to each SoC for each of the battery cells, and calculate the representative SoH of the battery pack based on the selected high-risk battery cells, and then calculate the actual usable capacity of the battery pack.