Abstract: A gel polymer electrolyte composition, a secondary battery including the same, and a manufacturing method of a secondary battery are disclosed. Advantages of the disclosed aspects include increasing process efficiency by reducing the curing time of a gel polymer electrolyte while preventing leakage of an electrolyte.

Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are described herein. Specifically, the non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt, a first solvent including a non-fluorine-based solvent, a second solvent including a fluorine-based carbonate solvent, and a third solvent including a fluorine-based acetate solvent, wherein the fluorine-based carbonate solvent and the fluorine-based acetate solvent are included in a weight ratio of 1:0.5 to 1:1, and a mixed amount of the fluorine-based carbonate solvent and the fluorine-based acetate solvent may be in a range of 3.0 wt % to 30 wt % based on a total weight of the non-aqueous electrolyte solution for a lithium secondary battery.

Abstract: A method of producing a lithium secondary battery according to the present invention allows a SEI film to be more easily formed by a stepwise charging process of gradually increasing the magnitude of a charging current or a stepwise charging & pulse charging and discharging in primary charging after injection of a first electrolyte and also allows the formed SEI film to be stabilized, and thus gas generated during an activation process can be further reduced, and the resistance of a final battery cell produced by the method can be reduced.

Abstract: The present invention relates to a battery cell including an electrolyte ion concentration measurement unit and a method for measuring an electrolyte concentration using same. The battery cell according to the present invention comprises a measurement unit in which a first electrode plate, an insulation film, and a second electrode plate are sequentially stacked on one another, wherein the measurement unit is inserted between a separator of the battery cell and an electrode thereof, and thus can directly measure an electrolyte concentration between the separator and the electrode. Therefore, the battery cell can be simply manufactured and has excellent stability.

Abstract: A pouch film laminate according to the present disclosure may include a base material layer, a gas barrier layer, and a sealant layer. The gas barrier layer may be disposed between the base material layer and the sealant layer. The gas barrier layer may include stainless steel. The pouch film laminate may have a tensile rupture strength of about 130% to about 250% of a tensile rupture strength of the gas barrier layer.

Abstract: A battery module includes at least one cell assembly including a plurality of secondary batteries, a gas pipe configured to allow gas produced in a module housing to move therein, and the module housing including a lower case having one open side and an internal space in which the at least one cell assembly is received, and an upper case coupled to one side of the lower case to cover the one open side of the lower case and having a receiving space in which the gas pipe is received, and a connection hole to which one end of the gas pipe is connected such that the gas pipe and the internal space are in communication with each other.

Abstract: The present disclosure relates to a secondary battery including an electrode assembly to which an electrode lead is attached; a case accommodating the electrode assembly and defining a sealing portion to seal the electrode assembly in the case; and a lead film surrounding a portion of an outer surface of the electrode lead and interposed between the electrode lead and the sealing portion. The lead film includes a first region configured to be primarily broken during swelling of the battery and a second region configured to be secondarily broken during swelling of the battery.

Abstract: A battery module includes a plurality of pouch-type battery cells respectively having an accommodation portion and a sealing portion and configured to be stacked on each other; a module case configured to accommodate the plurality of pouch-type battery cells in an inner space thereof; and a barrier member interposed between the accommodation portions of neighboring pouch-type battery cells and configured to have at least one side protrusively extending from a portion between the accommodation portions of the neighboring pouch-type battery cells to a portion between the sealing portions of the neighboring pouch-type battery cells.

Abstract: In order to assist a voice recognition function when voice recognition has failed, a display device may comprise a display, a user input interface configured to receive a command from a remote control device, and a controller configured to display a keyboard window including one or more queries and a keyboard item on the display when voice recognition for a voice command uttered by a user has failed in a state in which a voice recognition function is activated.

Abstract: A shoes care device includes a first management device, a second management device, a steam generator, and a controller. Each of the first management device and the second management device may be configured to include an inner cabinet, a connection path, a blowing part, and a dehumidifying part. A supply degree of steam, a dehumidification degree by a dehumidifying part, and a flow degree of air circulated in a connection path can be different between the first management device and the second management device, and as a result, the shoes can be managed under different conditions in the first management device and the second management device.

Abstract: Proposed are a method and apparatus for transmitting BSR information for another link on the basis of an A-control field in a wireless LAN system. In particular, a reception MLD generates an A-control field, and transmits the A-control field to a transmission MLD via a first link. The transmission MLD includes: a first transmission STA operating in the first link; a second transmission STA operating in a second link; and a third transmission STA operating in a third link. The reception MLD includes: a first reception STA operating in the first link; a second reception STA operating in the second link; and a third reception STA operating in the third link. The A-control field includes a control identifier, and control information for a BSR.

Abstract: The present disclosure relates to a polyethylene suitable for preparing fibers with enhanced yellow index and filterability in the spinning process by having improved aging lifetime of the polyethylene, and a preparation method of the same.

Abstract: A display apparatus includes a display panel including a back cover attached to a back surface thereof and configured to be bent or curved with a predetermined amount of elasticity; a tilting unit positioned at left and right ends of a back surface of the back cover, allowing the display panel to switch between a flat state and a curved state; a curved bar extended over the back surface of the back cover with a predetermined curvature and coupled with the tilting unit; and a support unit connected to the tilting unit to support the display panel, thereby allowing users to conveniently switch the display apparatus to a flat state to a curved state from the front of the display apparatus while in use.

Abstract: In the present disclosure, there are provided a polypropylene resin composition including an ethylene propylene copolymer, and a method of preparing the same. In particular, the polypropylene resin composition of the present disclosure may be prepared by using a continuous reactor in the presence of a metallocene compound having a specific structure. The polypropylene resin composition of the present disclosure can exhibit high transparency together with excellent elongation by optimizing the xylene soluble, the content of ethylene, and the melt index, together with a narrow molecular weight distribution.

Abstract: A cup washer includes a base plate, a water tank disposed on the base plate and configured to store water for washing a cup, and a washing unit disposed above the water tank and configured to wash an accommodated cup, wherein a vertical length of the cup washer is formed to be larger than a length of the base plate.

Abstract: A battery swapping station and a battery charging method using the same according to embodiments of the present invention may charge at least one battery accommodated in a battery charger according to a standard charge mode, a fast charge mode, and a discharge mode, thereby rapidly charging a target battery using allocated power provided from a grid and a charged battery without any additional power reinforcement work and preventing battery lifespan degradation caused from long-term persistence of fully charged state by adjusting a drain current of a battery that has been charged using the discharge mode, and thus, provide a high-efficiency and low-cost battery swapping station and a battery charging method using the same.

Abstract: A secondary battery according to the present invention includes an electrode assembly, in which an electrode and a separator are alternately stacked, and a pouch in which the electrode assembly is accommodated and of which a portion includes a sealing part that is a bonded portion. The sealing part may include a first sealing area, which is spaced a predetermined distance from the electrode assembly and disposed at an edge of the pouch, and a second sealing area that is an area corresponding to the electrode assembly. The present invention also includes a device for sealing the secondary battery and a method for forming same.

Abstract: A lens moving apparatus can include a cover member comprising an upper plate and a lateral plate extending from the upper plate, a bobbin disposed in the cover member, a coil disposed on the bobbin, a driving magnet disposed between the coil and the lateral plate of the cover member, and a sensing magnet disposed on the bobbin. Also, the lens moving apparatus can further include a circuit board disposed on the lateral plate of the cover member, and a position sensor disposed on the circuit board and configured to sense the sensing magnet, in which a part of the coil is disposed between the sensing magnet and the circuit board.

Abstract: A display device is provided. The display device includes: a display panel; a material complexed plate disposed at a rear of the display panel; and a side frame which is disposed between the display panel and the material complexed plate and is fixed to the material complexed plate, and to which the display panel is coupled, wherein the material complexed plate includes: a front skin forming a front surface; a rear skin forming a rear surface and facing the front skin; and a core disposed between the front skin and the rear skin and including fibers; and an inner frame formed by recessing the front skin or the rear skin, wherein the inner frame includes: horizontal inner lines elongated in one direction; and vertical inner lines elongated in a direction intersecting the one direction.

Abstract: A curable composition is capable of forming a thick film having excellent curing characteristics even at a relatively low temperature and is capable of securing an excellent level of thermal conductivity as well as a desired level of appropriate adhesion force while having fast curing characteristics. A battery pack to which the curable composition is applied, and a device comprising the battery pack are also provided.

Abstract: The present invention relates to a modified conjugated diene-based polymer having excellent rolling resistance and improved processability, a method for preparing the same and a rubber composition including the same, and provides a modified conjugated diene-based polymer which includes a repeating unit derived from a conjugated diene-based monomer, and a functional group derived from a modifier, and satisfies conditions (i) to (vii), a method for preparing the same and a rubber composition including the same.

Abstract: An apparatus for supplying emergency power according to an embodiment of the present disclosure includes: a protection circuit unit connected to a battery and configured to limit an available voltage range of the battery; a bypass unit connected in parallel to the protection circuit unit and configured to form a bypass path of a current output from the battery according to an operation state of a disposed switching element; and a control unit configured to electrically connect the bypass path formed by the bypass unit by controlling the operation state of the switching element to a turn-on state.

Abstract: A foldable display device includes a first casing and a second casing supporting a first area and a second area of a display panel, respectively, a support disposed between the first casing and the second casing, supporting the display panel based on the folding direction of the foldable display device, and including a support body which ascends toward the display panel during the out-folding operation, and descends toward a bottom face of the hinge cover during the in-folding operation.

Abstract: Disclosed herein relates to an electrode for a lithium secondary battery including an insulating layer. The insulating layer is formed on a first insulating layer containing a first binder and on the first insulating layer, and includes a second insulating layer containing inorganic particles and a second binder, wherein the first binder is PVDF (Polyvinylidene fluoride), and the second binder is SBR (styrene butadiene rubber). Accordingly, the insulating layer of the present invention is excellent in wetness adhesion and electrical safety.

Abstract: A lithium secondary battery which includes an electrode assembly in which a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate are wound in one direction, a battery can in which the electrode assembly is accommodated, and a sealing body which seals an open end of the battery can. The positive electrode plate includes a positive electrode active material layer that includes a positive electrode active material, a conductive material, and a binder. The positive electrode active material may include a lithium nickel-containing oxide that has at least one of single particles or quasi-single particles, and the conductive material includes a combination of single-walled carbon nanotubes and bundle-type carbon nanotubes.

Abstract: A semiconductor package according to an embodiment includes a first insulating layer; a first pad disposed on a first surface of the first insulating layer; a second pad disposed on a second surface of the first insulating layer opposite to the first surface; and a first through part passing through the first insulating layer, wherein the first through part comprises a first-first through electrode disposed in a first region of the first insulating layer; and a first-second through electrode disposed in a second region of the first insulating layer, wherein the second region is adjacent to an outer side surface of the first insulating layer, wherein an outer side surface of the first-second through electrode is positioned on the same plane as the outer side surface of the first insulating layer, and wherein the first pad extends from the first region of the first insulating layer to the second region to connect the first-first through electrode and the first-second through electrode.

Abstract: A crosslinked structure-containing polyolefin porous substrate is provided. The crosslinked structure-containing polyolefin porous substrate has a crosslinked structure including polymer chains interconnected directly with one another, wherein the polyolefin porous substrate includes, in a height direction extending from one surface to the other surface, a first region contacted with the one surface and a second region extended from an outside of the first region toward the other surface. Polyolefin contained in the first region and polyolefin contained in the second region have a difference in crosslinking degree of 10% or more. A method for manufacturing the crosslinked structure-containing polyolefin porous substrate is also provided. Even though the separator including the crosslinked structure-containing polyolefin porous substrate has a crosslinked structure, it shows a low shutdown temperature and a high meltdown temperature.

Abstract: Discussed is an electric power converter that may include an integrated circuit having at least one power transistor and a snubber circuit connected in parallel to the at least one power transistor; and a selection resistor connected between a power supply voltage supplied to the integrated circuit and the snubber circuit, in which the snubber circuit includes at least two snubbers, and each of the at least two snubbers includes a resistor connected in series, a first transistor, and a capacitor, and the selection resistor is connected to a gate of the first transistor of any one of the at least two snubbers.

Abstract: An ethylene/alpha-olefin copolymer having excellent physical properties showing reduced immersion time of a crosslinking agent and a high degree of crosslinking, and a composition for an encapsulant film, comprising the same, is described herein.

Abstract: A battery module improves safety by appropriately controlling venting when a thermal event occurs inside the battery module. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and having a venting hole formed therein to discharge a venting gas generated from the cell assembly; and a venting unit provided at an outer side of the module case and having a venting channel so that the venting gas discharged from the venting hole is introduced therein and discharged to the outside, the venting unit having a protrusion configured to protrude toward an outer surface of the module case from the inside of the venting channel.

Abstract: Disclosed is a battery cell, which includes a battery case having an accommodation portion in which an electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof; an electrode lead electrically connected to an electrode tab included in the electrode assembly and protruding out of the battery case via the sealing portion; and a lead film located at a portion corresponding to the sealing portion in at least one of an upper portion and a lower portion of the electrode lead, wherein a gas discharge guiding unit is inserted in the lead film, the battery case includes a cover portion extending from the sealing portion, and the cover portion is located on the lead film and protrudes in an outer direction of the battery case.

Abstract: The present disclosure provides a display device comprising: a display unit for displaying a content; and a processor, wherein the processor is configured to: broadcast first channel information providing the content to at least one other display device if a mirroring operation of displaying the content on an external device is being performed; obtain hash data and a content ID associated with the content from the at least one other device; transmit the content ID and the hash data to a scene recognition information server; and obtain scene recognition information corresponding to the content via the scene recognition information server.

Abstract: Proposed are a method and an apparatus for receiving an A-PPDU in a wireless LAN system. Specifically, a reception STA receives an A-PPDU from a transmission STA and decodes the A-PPDU. The A-PPDU includes a first PPDU for a primary 80 MHz channel, and a second PPDU for a secondary 80 MHz channel. The first PPDU includes a first L-SIG, a first RL-SIG, an HE-SIG-A, an HE-SIG-B, and first data. The second PPDU includes a first L-SIG, a first RL-SIG, an HE-SIG-A, an HE-SIG-B, a second L-SIG, a second RL-SIG, a U-SIG, an EHT-SIG, and second data. The HE-SIG-A includes an indicator of the A-PPDU.

Abstract: A method of transmitting audio data in a short-range wireless communication system, and a device therefor are provided. More specifically, a method of transmitting, by a master device, audio data in a short-range wireless communication system comprises transmitting, to at least one first slave device, the audio data based on a broadcast scheme; and receiving, from at least one second slave device, data generated based on a user input based on a unicast scheme, wherein (i) a transmission of the audio data and (ii) a reception of the data generated based on the user input are performed based on at least one time duration periodically allocated for (i) the transmission of the audio data and (ii) the reception of the data generated based on the user input, and wherein each of the at least one time duration includes (i) a first time duration for the transmission of the audio data and (ii) a second time duration for the reception of the data generated based on the user input.

Abstract: Provided is a pouch secondary battery. The pouch-type secondary battery may include an electrode assembly and a pouch-type battery case. The pouch-type battery case may include a cup part configured to accommodate the electrode assembly, a pair of first sealing parts disposed at both sides of the cup part perpendicular to a length direction, and a second sealing part configured to connect the pair of first sealing parts to each other and disposed at one side of the cup part perpendicular to a width direction. When an area of the first sealing part is A mm2, and a weight of the electrode assembly is B g, a ratio A/B may be about 0.29 or more.

Abstract: An electroluminescent display device according to an exemplary aspect of the present disclosure includes a substrate including an active area and a non-active area outside the active area, a planarization layer over the substrate and extending from the active area to the non-active area, a bank on a planarization layer extending to the non-active area, an organic layer on the bank, a cathode on the organic layer, a capping layer over the cathode, a trench pattern configured in the non-active area, from which the capping layer, the cathode, and the organic layer are removed and a step alleviation layer filling the trench pattern and planarizing an upper portion of the trench pattern, the capping layer adjacent to the trench pattern may be recessed inwardly compared to the cathode, so that a bezel width is reduced, and the same time, reliability of moisture permeation prevention performance may be improved.

Abstract: A device for inspecting a welded state between a tab, which protrudes from a plurality of electrodes stacked with a separator therebetween, and a lead welded to the tab. The device for inspecting a welded state may include a pair of tab probes, which are in contact with the tab and spaced apart from each other in a width direction of the tab, and a pair of lead probes which are in contact with the lead and spaced apart from each other in a width direction of the lead. Related methods for inspecting the welded state between a tab and a lead thereby are provided.

Abstract: The present disclosure provides a water-in-oil makeup cosmetic composition containing isostearic acid, a pigment-grade powder (specifically, a pigment-grade powder coated with a lipoamino acid), an emulsifier having an HLB greater than 0 and lower than or equal to 8, and a residual amount of water, the composition having superior water resistance and cleansing properties at the same time. The water-in-oil makeup cosmetic composition of the present disclosure can be usefully used because it has superior water resistance in environments with below-neutral pH, such as tap water, sweat, etc. and is converted to have superior cleansing properties when the skin is washed with alkaline water such as soapy water.

Abstract: Proposed are a method and an apparatus for setting the registration between an IoT controller and IoT controlee on the basis of a C2C connection in a wireless LAN system of a smart home environment. Particularly, the controlee receives detection information about the controlee from the controller. The controlee transmits a challenge request message for requesting the first information from the controller. The controlee receives a challenge response message including the first information from the controller. The controlee transmits a challenge confirm message to the controller.

Abstract: A display device according to embodiments, while relating to an autostereoscopic image display device and a control method therefor, may include a sensor, a display, a barrier, and a controller.

Abstract: A display device includes a substrate, a sub-pixel on the substrate and including an organic light emitting diode, an encapsulation layer on the organic light emitting diode, and a plurality of touch electrodes on the encapsulation layer, the plurality of touch electrodes including an open area. The sub-pixel may include first and second emission areas and a first non-emission area in the open area of the plurality of touch electrodes, the first non-emission area being configured to be in a black state or to have a lower brightness than the first and second emission areas. Each of the first non-emission area and at least one of the first and second emission areas may have a shape of an octagon, a circle, an ellipse, a polygon, a triangle, a square, or a hexagon in a plan view.

Abstract: The present disclosure relates to a cooking device and a control method thereof and, more specifically, a cooking device using heat, such as an oven, and a control method thereof.

Abstract: This invention relates to a curable composition for forming high refractive index optical material and optical material comprising the same, and more specifically, to a curable composition for forming high refractive index optical material comprising an episulfide compound and a sulfur-containing polymer compound, and optical material comprising the same.

Abstract: An electrode assembly comprises a positive electrode, a negative electrode and a separator. The positive electrode and the negative electrode each comprise coating portions coated with an electrode active material and non-coating portions not coated with an electrode active material. The positive electrode or the negative electrode has a zigzag shape formed by bending a rectangular sheet in which the coating portions and the non-coating portions are alternately formed. The other electrode of the positive electrode and the negative electrode has a folder shape formed by bending a sheet in which the non-coating portions is interposed between two of the coating portions. The non-coating portions of the zigzag-shaped electrodes form electrode tabs facing in opposing directions. The non-coating portions of the folder-shaped electrodes form electrode tabs facing in one direction and arranged perpendicular to the electrode tabs formed in the opposing directions.

Abstract: Disclosed is an electrode assembly which can solve, in a complex way, the lithium leaching problem caused by the electrode sliding phenomenon, the problem that the outer separator of the half-cell is easily folded and torn, thereby exposing the electrode, and the problem that it is difficult to check whether the electrode is damaged because the outer separator of the half-cell is opaque, by changing the outer separator of the half-cell located at the outermost part of the electrode assembly to a specific shape and material, and a secondary battery comprising the same.

Abstract: A battery management apparatus includes a switching unit configured to control electrical connection with a battery module and a controller configured to measure a voltage of a battery cell included in the battery module and to control a driving current transferred from the battery module by controlling on/off of the switching unit when the voltage of the battery cell is measured.

Abstract: A method for manufacturing a battery cell for evaluating a lithium precipitation behavior includes: an electrode assembly preparation step of preparing an electrode assembly to which an overhang region, where a positive electrode protrudes from a negative electrode, is introduced; a battery cell preparation step of preparing a battery cell by accommodating the electrode assembly in a first pouch, injecting an electrolyte solution thereto, and sealing the first pouch; a secondary sealing step of accommodating the battery cell in a second pouch and secondary-sealing the second pouch; a second pouch removing step of performing formation for the secondary-sealed battery cell and removing the second pouch; a gas pocket unit removing step of degassing and re-sealing the battery cell, from which the second pouch has been removed, and removing a gas pocket unit of the first pouch; and a completion step of accommodating the battery cell.

Abstract: A battery pack is advantageous for effective control and maintenance of thermal events. A battery pack according to one aspect of the present disclosure may include a battery module having one or more battery cells; a fire extinguishing tank holding a fire extinguishing liquid, disposed on top of the battery module and having a through hole formed therein; and a cover member installed in the through hole of the fire extinguishing tank and configured to open or close the through hole according to a change in internal pressure of the fire extinguishing tank.

Abstract: A method and a device for receiving a PPDU in a wireless LAN system are presented. Specifically, a reception STA receives a PPDU from a transmission STA through a broadband and decodes the PPDU. The broadband is a 320 MHz band or a 160+160 MHz band. The PPDU includes an STF signal. The STF signal is generated on the basis of a first STF sequence for a broadband. The first STF sequence is a sequence of which a phase rotation is applied to a sequence in which a second STF sequence is repeated. The second STF sequence is an STF sequence for a 80 MHz band defined in an 802.11ax wireless LAN system. If the broadband is a 320 MHz band, the first SFT sequence is a sequence in which preset sequence M is repeated, and is defined to be the same as {M 1 ?M 0 ?M 1 ?M 0 M 1 ?M 0 ?M 1 ?M 0 ?M ?1 M 0 M ?1 M 0 ?M ?1 M 0 M ?1 M}*(1+j)/sqrt(2)).

Abstract: A vibration apparatus comprises a lower vibration structure, an upper vibration structure on the lower vibration structure, and an adhesive member between the lower vibration structure and the upper vibration structure. The lower vibration structure and the upper vibration structure are configured to generate sound waves having different frequencies.