Abstract: A battery cell and a method of manufacturing the same are disclosed. The battery cell is a battery cell including an electrode assembly and a pouch unit accommodating the electrode assembly. The battery cell comprises a cell body including an accommodation portion accommodating the electrode assembly in the pouch unit and the electrode assembly, a cell edge forming a perimeter of the battery cell, and a cell edge portion formed between the cell edge and the cell body. The pouch unit is made of a pouch sheet. The cell edge portion includes a first pouch edge portion and a second pouch edge portion facing each other in the pouch sheet, and a convex portion that is convex in a thickness direction of the cell edge portion.

Abstract: According to the present disclosure, there are provided an electrode plate including an active material portion in which an active material is formed on a substrate and a non-coated portion in which the active material is not formed, wherein the non-coated portion includes a first non-coated portion in which a non-coated portion tab is formed and a second non-coated portion extending from the first non-coated portion in a width direction of the active material portion, and an area of the first non-coated portion and an area of the second non-coated portion satisfy Expression 1 (described in the detailed description), and an electrode assembly and a secondary battery including the same.

Abstract: A battery cell includes an electrode assembly; a case comprising an accommodation portion accommodating the electrode assembly and a sealing portion formed on a periphery of the accommodation portion; and a fixing member disposed between the accommodation portion and the sealing portion to adhere each other; wherein the fixing member comprises a core layer, and an adhesive layer is stacked on both surfaces of the core layer.

Abstract: A display apparatus includes a display panel driven based on a first gate clock and a second gate clock, a clock supply circuit including a first output terminal for an output of the first gate clock and a second output terminal for an output of the second gate clock, supplying the first output terminal with one of a gate high voltage and a gate low voltage as a first test voltage, and supplying the second output terminal with the other of the gate high voltage and the gate low voltage as a second test voltage, for a first time immediately after a system power is applied thereto, a power generator generating the gate high voltage and the gate low voltage and supplying the gate high voltage and the gate low voltage to the clock supply circuit, and an overcurrent detector receiving a flag signal to recognize overcurrent from the power generator to shut down the power generator, when the first output terminal and the second output terminal are short-circuited with each other at the first time interval.

Abstract: The present disclosure relates to a press forming apparatus, comprising: a die in which a molded portion is formed by being recessed inwardly from an upper surface thereof; a stripper for fixing an object to be formed disposed on the die; a punch provided above the die to be movable upwardly and downwardly, and inserted into the molded portion when descending, to form an accommodating portion in the object to be formed, wherein a surface of the molded portion, in contact with the object to be formed, is curved, and the punch comprises a vent for blowing air onto an upper surface of the object to be formed. According to the present disclosure, a molded portion of the pouch film may be uniformly stretched, and occurrence of cracks may be prevented, so that workability and productivity may be improved. Furthermore, long-term reliability of the secondary battery may be secured.

Abstract: A combination set of eco-friendly recycling beverage container includes a container unit and a recycling storage unit. The container unit includes a soft part that has softness that folds and bends more easily than plastic or glass and stores a beverage therein, an inlet support part coupled around a beverage outlet at an upper end of the soft part, and a bottom support part coupled to a lower end of the soft part. The recycling storage unit is configured to accommodate and bind the container unit, the recycling storage unit having a multi-stage overlapping structure in which an overall height is reduced depending on a degree of reduced amount of the beverage contained in the container unit.

Abstract: A display device includes a display panel displaying an image, a scan driver configured to apply scan signals to the display panel, and a power supply configured to apply a gate high voltage and a gate low voltage to the scan driver. The scan driver discharges the display panel based on a second gate high voltage lower than the gate high voltage during a discharging operation of the display panel.

Abstract: Provided is a superwide pouch type secondary battery comprising an electrode assembly including a cathode plate, an anode plate, and a separator; a pouch surrounding the electrode assembly; and electrode tabs connected to both ends of the electrode assembly and protruding outward of the pouch, wherein the electrode tabs connected to the both ends of the electrode assembly include one or more cathode tabs and anode tabs, respectively, and width of battery cell is more than 4 times longer than height of battery cell such that loading efficiency of the pouch type secondary battery into a vehicle and an energy density may be improved without increasing an internal electrode.

Abstract: A head mounted fan includes: a main blowing tube configured to be mounted on an upper portion of a head of a user, the main blowing tube having an air inlet through which air is introduced and including a main flow path through which air flows therein; a sub blowing tube connected to the main blowing tube, wherein the sub blowing tube includes a plurality of sub flow paths branching from the main flow path to extend in one direction of the head when the head mounted fan is worn on the head, and wherein air is discharged toward a scalp of the head through a plurality of air outlets communicating with the sub flow paths; and a wind generating unit configured to provide air pressure for causing the air to flow in the main flow path.

Abstract: A vehicular luggage tray apparatus is capable of receiving and storing goods in a main tray and a sub tray, and of receiving and storing the main tray and the sub tray in an unused space in a side wall of a luggage room of a vehicle.

Abstract: A discount service method carried out by a discount service device. The method includes: obtaining discount rate information based on changes in variable values of respective discount elements of an object being sold; on the basis of the discount rate information, identifying, for a plurality of sales records of the object being sold, a consumer distribution corresponding to changes in the discount rates of the respective discount elements of the object being sold; and determining a final discount rate for a predetermined consumer of the object being sold, by applying weights to the respective discount elements, calculated on the basis of the identified consumer distribution. When the consumer distribution changes, the weights of the respective discount elements change, and thus the final discount rate is determined differently, even when the variable values of the respective discount elements for the predetermined consumer are the same.

Abstract: A pouch-type secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate; and a pouch film in which the electrode assembly is accommodated, wherein the pouch film includes a first side sealing portion from which a negative electrode lead connected to the electrode assembly protrudes, a second side sealing portion from which a positive electrode lead connected to the electrode assembly protrudes, and an upper sealing portion having both end portions connected to the first and second side sealing portions, and the pouch film includes a folded portion disposed on an end of the first side sealing portion and an end of the second side sealing portion, and folded toward a bottom portion of the pouch film, wherein the folded portion is folded in one direction.

Abstract: A ventilation device for a secondary battery includes a frame including a first frame and a second frame, and a connector connecting the first frame and the second frame to each other and including a slit portion formed therein. Each of the first frame and the second frame has a facing surface that faces each other, and at least one of the first frame and the second frame includes a ventilation guiding portion recessed from the facing surface, and a ventilation control portion is formed to provide a space between the first frame and the second frame and to be connected to the ventilation guiding portion.

Abstract: A ventilation device for a secondary battery includes a frame including a first frame and a second frame, and a connector connecting the first frame and the second frame to each other and including a slit portion. Each of the first frame and the second frame includes a facing surface that faces each other, and at least one of the first frame and the second frame includes a ventilation guiding portion recessed from the facing surface. The frame includes a terrace expansion restraining portion including an inclined surface structured to support a pouch terrace portion of the secondary battery and formed at a surface of the frame adjacent to a surface including the ventilation guiding portion. A ventilation control portion is formed to provide a space between the first frame and the second frame to be connected to the ventilation guiding portion.

Abstract: Disclosed are a device and method for measuring an organic light emitting diode, which measures an amount of energy for compensating for a burn-in of an organic light emitting diode, by sensing a charged voltage of a sensing line connected to the organic light emitting diode. The device for measuring an organic light emitting diode includes an external current source, and is configured to measure an amount of energy for compensating for a burn-in, by sensing a charged voltage of a parasitic capacitor of a sensing line.

Abstract: An apparatus for degassing a battery cell includes: a gas suction portion providing negative pressure; a first tubular member connected to the gas suction portion, and having at least one suction port formed in a radial direction; a second tubular member connected to the gas suction portion, and provided to be coupled to the first tubular member; and a hemispherical cover coupled to the first tubular member and the second tubular member, respectively, wherein the hemispherical cover includes a first cover coupled to the first tubular member and a second cover coupled to the second tubular member, when the first tubular member and the second tubular member and are coupled, the first cover and the second cover may be disposed such that openings face each other, and the suction port may be disposed between the first cover and the second cover.

Abstract: A battery cell includes: an electrode assembly; a battery case accommodating the electrode assembly and an electrolyte; and a gas discharging portion disposed between the electrode assembly and the battery case, and opening and closing a flow path based on pressure within the battery case, wherein the gas discharging portion includes: a moving member being moved in the flow path; a plurality of elastic members each elastically supporting the moving member; and a plurality of support members each disposed between the moving member and the elastic member, and in point contact with the moving member.

Abstract: An embodiment of the present invention provides a large-area heater. The large-area heater comprises: a heating plate including a central area in which heat is concentrated and a peripheral area surrounding the central area; and a plurality of unit heaters for heating at least a part of the central area and at least a part of the peripheral area, wherein each of the plurality of unit heaters comprises: a plurality of heat emitting areas producing different amounts of heat; a plurality of power wires for independently transmitting power to the plurality of heating areas, respectively; and pairs of power terminals which are arranged at the corner of each of the unit heaters so as to supply power to the plurality of power wires, the number of pairs of power terminals corresponding to the number of the plurality of heat emitting areas.

Abstract: Provided is a superwide pouch type secondary battery comprising an electrode assembly including a cathode plate, an anode plate, and a separator; a pouch surrounding the electrode assembly; and electrode tabs connected to both ends of the electrode assembly and protruding outward of the pouch, wherein the electrode tabs connected to the both ends of the electrode assembly include one or more cathode tabs and anode tabs, respectively, and width of battery cell is more than 4 times longer than height of battery cell such that loading efficiency of the pouch type secondary battery into a vehicle and an energy density may be improved without increasing an internal electrode.

Abstract: A secondary battery module includes a plurality of pouch type secondary batteries stacked in parallel, and a cooling plate configured to cool the plurality of stacked pouch type secondary batteries, wherein each of the pouch type secondary batteries includes a sealing portion and a close contact portion formed by an exterior material in an outer periphery thereof, the sealing portion is formed at three of four sides of the pouch type secondary battery and the close contact portion is formed at the other side of the pouch type secondary battery, an extending portion protruding in a direction perpendicular to the close contact portion is formed at a portion of the sealing portion adjacent to the close contact portion, and the cooling plate is brought into contact with the close contact portions of the plurality of stacked pouch type secondary batteries and cools the close contact portions.