Abstract: Disclosed are a carbonate electrolyte and a lithium secondary battery including the same, in which the carbonate electrolyte includes a specific type of lithium salt at a high concentration equal to or greater than an appropriate level, thereby improving durability of the lithium secondary battery.

Abstract: Disclosed is an electrolyte for a secondary battery that includes an ionic liquid containing an ether functional group, thereby providing effects of lowering the viscosity and improving lithium ion conductivity even when a molecular weight is increased.

Abstract: The lighting apparatus disclosed to an embodiment includes a substrate, a plurality of light emitting devices disposed on the substrate, a first reflective layer disposed on the substrate, a resin layer on the first reflective layer, and a second reflective layer on the resin layer and the resin layer includes a first side surface facing the light emitting surfaces of the plurality of light emitting devices and a second side surface opposite to the first side surface, and the first side surface includes a plurality of first reflective surfaces convex with respect to the light emitting surfaces of the light emitting devices and at least one second reflective surface having a concave shape with respect to the light emitting surfaces of the light emitting devices, wherein the plurality of first reflective surfaces are disposed on a region corresponding to each of the plurality of light emitting devices in an optical axis direction, and the second reflective surface is disposed between the plurality of first refl

Abstract: A method of fabricating a printed circuit film including the steps of preparing a base film, and a plurality of lead wires disposed on the base film, the plurality of lead wires spaced apart from each other in a first direction and extending in a second direction intersecting the first direction, and forming a bonding member including a conductive member disposed to overlap a central portion of each of the plurality of lead wires, a first non-conductive member disposed to overlap a first portion of the plurality of lead wires in the second direction, and a second non-conductive member disposed to overlap a second portion of the plurality of lead wires in the second direction.

Abstract: The optical assembly disclosed in the embodiment of the invention includes: a lighting module having a resin layer and a light emitting device inside the resin layer, and having an exit surface for emitting surface light to one side; a reflective portion having a recess in a lower portion of the exit side of the lighting module and an aspherical curved surface at the bottom of the recess; and a transparent cover on the recess to reflect the surface light to a set region.

Abstract: A gel polymer electrolyte manufactured through an in-situ crosslinking reaction. The gel polymer electrolyte may include a porous membrane in which a fluorine-based compound, a lithium salt, and a crosslinking agent including a graphene-based compound are crosslinked.

Abstract: The present disclosure relates to an electrolyte for a lithium secondary battery, including an ionic liquid, and a lithium secondary battery having the same. Specifically, the electrolyte may include an ionic liquid containing a cation and an anion, and a lithium salt, and the cation may include a functional group containing an oxygen element.

Abstract: One aspect of the present disclosure provides a foot structure for a walking robot including a link configured to define a body, a buffer unit coupled to one end portion of the link and having a vacant space formed therein, and a pressure sensor provided in the link and configured to detect a change in pressure of air in the vacant space in the buffer unit.

Abstract: An embodiment electromyography signal detection device includes a noise signal obtaining device configured to obtain a noise signal of an unknown reference frequency at a periphery of a user, an electromyography signal acquisition device configured to measure an electromyography signal from the user, and a controller configured to remove a noise signal included in the electromyography signal of the user based on the obtained noise signal of the unknown reference frequency.

Abstract: Disclosed is a digital hearing device with a microphone in an ear band, the digital hearing device including a body; an ear band configured to extend from one side of the body and to surround at least a portion of auricle of a user; a plurality of microphones provided to the ear band at predetermined intervals; an ear head configured to protrude inward from the body and to fit into an ear of the user; and a speaker provided to the ear head and configured to amplify sound received from the plurality of microphones and to deliver the amplified sound to the user.

Abstract: A display device includes: a display layer on a substrate, the display layer including a light emitting element; a reflective structure on the display layer; a resin part on the display layer; a cover part on the resin part; and a driving circuit board, at least a portion of the driving circuit board being on a side of the display layer. The reflective structure includes a reflective surface facing the at least the portion of the driving circuit board.

Abstract: The optical assembly disclosed in the embodiment includes a housing having an inclined bottom surface, a plurality of inner surfaces around an outer periphery of the bottom surface, and a receiving space in which an upper portion is opened; and a lighting module disposed on the inclined bottom surface, wherein the lighting module includes a substrate inclinedly disposed on the inclined bottom surface; at least one light emitting device disposed on the substrate; and a resin layer sealing the light emitting device and the substrate, wherein an upper surface of the resin layer emits light by diffusing light emitted from the light emitting device, wherein the plurality of inner surfaces includes a first inner surface adjacent to the light emitting device, a second inner surface facing the first inner surface, and third and fourth inner surfaces facing each other and disposed between the first and second inner surfaces, wherein a height between the bottom surface of the housing and an upper surface of the housing

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light sources disposed on the substrate; a resin layer covering the light source on the substrate; a light blocking layer having an opening portion on the resin layer; and a lens plate disposed on the light blocking layer, wherein the lens plate includes a light transmitting portion and a convex portion arranged on one surface or the other surface of the light transmitting portion, and the total area of the opening portions is 50% or less of an area of an emission surface through which light is emitted through the resin layer, and the interval between the lens plate and the light blocking layer may be greater than the length of the opening portion.

Abstract: A printed circuit film includes: a base film including a first film portion extending in a first direction, a second film portion extending in the first direction, and a third film portion extending in the first direction; a plurality of lead wires extending in the second direction and disposed on the first, second, and third film portions, the plurality of lead wires being spaced apart from each other in the first direction; and a bonding member including: a conductive member disposed to overlap the plurality of lead wires on the first film portion; a first non-conductive member disposed to overlap the plurality of lead wires and the second film portion; and a second non-conductive member disposed to overlap the plurality of lead wires and the third film portion, wherein the conductive member is disposed between the first non-conductive member and the second non-conductive member in the second direction.

Abstract: A pixel circuit and a display device including the same are disclosed. The pixel circuit includes: a first driving element including a first electrode connected to a 1-1 th node, a gate electrode connected to a 1-2 th node, and a second electrode connected to a 1-3 th node; and a second driving element including a first electrode connected to a 2-1 th node, a gate electrode connected to a 2-2 th node, and a second electrode connected to a second-third node. A second electrode voltage of the first driving element is transmitted to the gate electrode of the second driving element, and a second electrode voltage of the second driving element is transmitted to the gate electrode of the first driving element.

Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; light sources disposed on the substrate; and a resin layer disposed on the substrate and the light sources. a first reflective layer disposed on the resin layer, wherein the resin layer includes an exit surface facing the light sources, and the exit surface of the resin layer includes convex portions facing each of the light sources and recess portions respectively disposed between the plurality of convex portions, concave surfaces disposed in each of the plurality of recess portions may have a curvature, and a radius of curvature of the concave surfaces may increase in one direction.

Abstract: A lighting device according to an embodiment includes a sensor, a substrate disposed on the sensor and including an electrode pattern, a light source disposed on the substrate and electrically connected to the electrode pattern, a resin layer disposed on the substrate, and a reflective layer disposed between the substrate and the resin layer, and the substrate may include a first region overlapping the sensor in a first direction perpendicular to an upper surface of the substrate, a second region surrounding the first region, the light source may be disposed on the second region, the plurality of reflective pattern groups may be disposed on the first region, and the sensor may not overlap the light source and the electrode pattern in the first direction.

Abstract: The optical assembly disclosed in the embodiment includes a housing having an inclined bottom surface, a plurality of inner surfaces around an outer periphery of the bottom surface, and a receiving space in which an upper portion is opened; and a lighting module disposed on the inclined bottom surface, wherein the lighting module includes a substrate inclinedly disposed on the inclined bottom surface; at least one light emitting device disposed on the substrate; and a resin layer sealing the light emitting device and the substrate, wherein an upper surface of the resin layer emits light by diffusing light emitted from the light emitting device, wherein the plurality of inner surfaces includes a first inner surface adjacent to the light emitting device, a second inner surface facing the first inner surface, and third and fourth inner surfaces facing each other and disposed between the first and second inner surfaces, wherein a height between the bottom surface of the housing and an upper surface of the housing

Abstract: A semiconductor device includes a lower electrode; a supporter supporting an outer wall of the lower electrode; a dielectric layer formed on the lower electrode and the supporter; an upper electrode on the dielectric layer; a first interfacial layer disposed between the lower electrode and the dielectric layer and selectively formed on a surface of the lower electrode among the lower electrode and the supporter; and a second interfacial layer disposed between the dielectric layer and the upper electrode, wherein the first interfacial layer is a stack of a metal oxide contacting the lower electrode and a metal nitride contacting the dielectric layer.

Abstract: A robot hand module includes a thumb module and a finger module each coupled to a palm part, wherein the thumb module or the finger module includes a phalangeal part movably coupled to the palm part and a cable part and a driving part each connected to the phalangeal part, wherein the driving part includes a driving part body extending in one direction and including a rotary shaft configured to rotate by receiving power, a drum member coupled to one side of the driving part body, connected to the rotary shaft, and having an outer periphery surrounded by the cable part, and a tensioner member spaced apart from the drum member in a direction in which the cable part extends outward, wherein the tensioner member is movable in the direction in which the cable part extends to adjust tension of the cable part.