Abstract: The present disclosure relates to a secondary battery that includes an electrode assembly including an electrode and a separator which are alternately stacked, a gel polymer electrolyte, and a battery case accommodating the electrode assembly and the gel polymer electrolyte, wherein the separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, the ceramic coating layer includes inorganic particles in an amount of 92 wt % or greater and less than 100 wt % and a binder in an amount of greater than 0 wt % and 8 wt % or less, the electrode includes a positive electrode and a negative electrode, and the negative electrode includes a silicon-based active material.

Abstract: A battery cell with improved battery durability and battery lifetime, a method of preparing the battery cell, and a battery module including the battery cell are provided. The battery cell includes a cell case having an accommodation space; an electrode assembly which is accommodated in the accommodation space and includes a plurality of electrodes, an electrode tab formed on at least one side of each of the plurality of electrodes, and a separator disposed between the plurality of electrodes; a gel electrolyte which contains a first molarity of a first lithium salt and is accommodated in the accommodation space while surrounding the electrode tab; and a liquid electrolyte which contains a second molarity, which is lower than the first molarity, of a second lithium salt and is accommodated between the plurality of electrodes.

Abstract: A semiconductor device and a method of manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a stackable semiconductor device with small size and fine pitch and a method of manufacturing thereof.

Abstract: A method for manufacturing a secondary battery, includes preparing an electrode assembly in which electrodes and a separator are alternately laminated, and an adhesive composition is applied to the surface of at least one of the electrodes or the separator, thereby allowing the electrodes and the separator to adhere to each other; accommodating the electrode assembly in a battery case; injecting a gel polymer electrolyte composition into the battery case to impregnate the electrode assembly with the gel polymer electrolyte composition; curing the gel polymer electrolyte composition; and sealing the battery case, wherein the separator includes a porous substrate and ceramic coating layers disposed on both surfaces of the porous substrate.

Abstract: A display device includes a plurality of first pixels, a substrate, a first semiconductor layer which is disposed on the substrate and includes an active layer of a first transistor, a first insulating layer which is disposed on the first semiconductor layer, a first conductive layer which is disposed on the first insulating layer and includes a gate electrode of the first transistor, a second insulating layer which is disposed on the first conductive layer, and a second conductive layer which is disposed on the second insulating layer and includes a first electrode and a second electrode of the first transistor, where a first opening exposing the first conductive layer in an area in which the first conductive layer and the second conductive layer of each of the plurality of first pixels do not overlap is defined in the second insulating layer.

Abstract: In an assembly system of an aircraft including a fuselage and a wing, the aircraft assembly system may include: a jig unit coupled to the wing to move integrally with the wing; a transfer unit connected to the jig unit and transferring the wing toward the fuselage; a position adjusting unit detachably connected to the jig unit and adjusting a position of the jig unit; and a measuring unit configured for measuring positions of the fuselage and the wing, wherein the fuselage may be relatively fixed to the movement of the wing, wherein the measuring unit may be configured to set a fuselage coordinate system and a wing coordinate system for the fuselage and the wing, respectively, wherein the position adjusting unit may be configured to move the jig unit so that the wing coordinate system coincides with the fuselage coordinate system.

Abstract: A method for recovering valuable metals from a spent secondary battery includes a pre-processing process of pre-processing the spent secondary battery, a melting process of heating the pre-processed spent secondary battery to generate a molten solution, and a recovery process of recovering the valuable metals from the molten solution. In the melting process, a chlorinating agent is added, and, in the recovery process, lithium is recovered in a form of lithium dust.

Abstract: A method for recovering valuable metals from a spent secondary battery according to an embodiment of the present disclosure includes a pre-processing process of pre-processing the spent secondary battery, a melting process of heating the pre-processed spent secondary battery to generate a molten solution, and a recovery process of recovering the valuable metals from the molten solution. In the melting process, a chlorinating agent is added, and, in the recovery process, lithium is recovered in a form of lithium dust.

Abstract: A method for recovering valuable metals from a spent secondary battery according to an embodiment of the present disclosure includes a pre-processing process of pre-processing the spent secondary battery, a melting process of heating the pre-processed spent secondary battery to generate a molten solution, and a recovery process of recovering the valuable metals from the molten solution. In the melting process, a chlorinating agent is added, and, in the recovery process, lithium is recovered in a form of lithium dust.

Abstract: Disclosed herein is a food delivery system tailored to a consumer's eating patterns, which determines priorities of delivery according to a consumer's meal time to set a delivery line when delivering dietary food to a consumer, and transfers dietary food to a deliverer of a neighboring sector in a case in which it is difficult to deliver dietary food in time.

Abstract: The present invention relates to a waveguide for transmission of electromagnetic wave signals and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a dielectric part; and a conductor part surrounding at least a part of the dielectric part, wherein a signal of a first frequency band is transmitted through the dielectric part, and a signal of a second frequency band lower than the first frequency band is transmitted through the conductor part.

Abstract: The present invention relates to a waveguide for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a dielectric part comprising two or more dielectrics having different permittivity; and a conductor part surrounding at least a part of the dielectric part.

Abstract: The present invention relates to a microstrip-waveguide transition for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a microstrip-waveguide transition for transmission of electromagnetic wave signals, comprising: a feeding part for providing an electromagnetic wave signal to be transmitted through the waveguide; and a ground part formed at a predetermined interval from the feeding part, wherein the microstrip and the waveguide are coupled alongside each other along a length direction of the waveguide, and wherein a distance between the feeding part and the ground part in a direction perpendicular to the length direction of the waveguide is greater as it is closer to the waveguide.

Abstract: The present invention relates to a microstrip-waveguide transition for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a microstrip-waveguide transition for transmission of electromagnetic wave signals, comprising: a feeding part for providing an electromagnetic wave signal to be transmitted through the waveguide; and a ground part formed at a predetermined interval from the feeding part, wherein the microstrip and the waveguide are coupled alongside each other along a length direction of the waveguide, and wherein a distance between the feeding part and the ground part in a direction perpendicular to the length direction of the waveguide is greater as it is closer to the waveguide.

Abstract: The present invention relates to a waveguide for transmission of electromagnetic wave signals and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a dielectric part; and a conductor part surrounding at least a part of the dielectric part, wherein a signal of a first frequency band being a relatively higher frequency band is transmitted through the dielectric part, and a signal of a second frequency band being a relatively lower frequency band is transmitted through the conductor part.

Abstract: The present invention relates to a waveguide for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a waveguide for transmission of electromagnetic wave signals, comprising: a dielectric part comprising two or more dielectrics having different permittivity; and a conductor part surrounding at least a part of the dielectric part.

Abstract: The present invention relates to a microstrip circuit and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a microstrip circuit. The microstrip circuit includes a feeding line providing a signal, a probe being connected to one end of the feeding line, and a patch emitting the signal to a waveguide. The patch is disposed in a layer opposite to a layer in which the feeding line and the probe are disposed, with a core substrate being positioned therebetween. At least one of length of the probe, thickness of the core substrate, and permittivity of the core substrate is determined based on bandwidth of a transition between the microstrip circuit and the waveguide.

Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a first electrode and a second electrode disposed on the first substrate; a third electrode and a fourth electrode disposed on the second substrate; and a liquid crystal layer injected between the first substrate and the second substrate and including a plurality of liquid crystal molecules, where the second electrode extends substantially in a first direction, the third electrode extends substantially in a second direction, and the first direction and the second direction are perpendicular to each other.

Abstract: The present invention relates to a microstrip circuit and a chip-to-chip interface apparatus comprising the same. According to one aspect of the invention, there is provided a microstrip circuit. The microstrip circuit includes a feeding line providing a signal, a probe being connected to one end of the feeding line, and a patch emitting the signal to a waveguide. The patch is disposed in a layer opposite to a layer in which the feeding line and the probe are disposed, with a core substrate being positioned therebetween. At least one of length of the probe, thickness of the core substrate, and permittivity of the core substrate is determined based on bandwidth of a transition between the microstrip circuit and the waveguide.

Abstract: A method for forming a display device includes forming a liquid crystal layer between a first substrate and a second substrate spaced apart from the first substrate, in which the liquid crystal layer includes a liquid crystal composition including a reactive mesogen, applying an electric field to the liquid crystal layer, firstly curing the liquid crystal layer at a temperature from about ?20° C. to about 60° C., and secondly curing the liquid crystal layer without applying the electric field. The liquid crystal composition includes the reactive mesogen in an amount exceeding 0 percent by weight and equal to or smaller than about 30 percent by weight relative to a total weight of the liquid crystal composition.