Abstract: Proposed is a polymer for a gel-type polymer electrolyte of a secondary battery, in which the polymer is PMVEMA-GMA, which is a polymer obtained by polymerizing (methylvinylether-alt-maleic acid) (PMVEMA) and glycidyl methacrylate (GMA). A gel-type polymer electrolyte including the polymer as a matrix, and a lithium secondary battery including the gel-type polymer electrolyte are also proposed. The polymer of the present disclosure complements a limitation of a liquid electrolyte such as leakage and has a higher ion conductivity than a solid electrolyte. Aside from the advantages, the gel-type polymer electrolyte according to the present disclosure has a higher ion conductivity than a conventional gel-type polymer electrolyte that is based on poly(methylvinylether-alt-maleic acid) (PMVEMA) added with lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) because it can be dissolved well in highly volatile tetrahydrofuran (THF) and thus can be dried at a low temperature.

Abstract: Provided are a display device, and a head mounted display comprising the display device, the display device including a semiconductor substrate including transistors, conductive layers above the semiconductor substrate, a reflective electrode layer above the conductive layers, an optical auxiliary layer above the reflective electrode layer, light-emitting elements above the optical auxiliary layer, and including a first electrode, a light-emitting stack, and a second electrode, a pixel-defining film above the first electrode to partition light-emitting areas of the light-emitting elements, a first pad conductive layer above the conductive layers, and a second pad conductive layer above the first pad conductive layer, a thickness of the first pad conductive layer and a thickness of the second pad conductive layer being greater than a thickness of the reflective electrode layer.

Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode alternately disposed with the dielectric layer in a first direction, and including a first surface and a second surface opposing each other in the first direction, a third surface and a fourth surface, connected to the first and second surfaces and opposing each other in a second direction, and a fifth surface and a sixth surface, connected to the first to fourth surfaces and opposing each other in a third direction; external electrodes disposed on the third and fourth surfaces; and a first side margin portion and a second side margin portion, respectively disposed on the fifth and sixth surfaces, wherein the first and second side margin portions include a first extension portion disposed to extend onto a portion of the first surface and a portion of the second surface.

Abstract: In an example embodiment of the present disclosure, an average distance in the first direction from the active-cover boundary to an end of the side margin portion in the first direction closest to the active-cover boundary among ends of the side margin portion in the first direction is defined as A1, and an average distance in the third direction from the first body-side margin boundary to an end of the side margin portion in the third direction closest to the first body-side margin boundary among ends of the side margin portion in the third direction is defined as A2, and then, A1/A2 is adjusted.

Abstract: A method for manufacturing a multilayer electronic component includes: preparing first ceramic green sheets on which first internal electrode patterns are formed spaced apart from each other and second ceramic green sheets on which second internal electrode patterns are formed spaced apart from each other; forming a ceramic green sheet stack by stacking the first ceramic green sheets and the second ceramic green sheets for the first internal electrode patterns and the second internal electrode patterns to be cross-stacked on each other; obtaining a multilayer body by cutting the ceramic green sheet stack to have a side surface to which distal edges of the first and second internal electrode patterns are exposed; adhering an adhesive layer to the side surface to which the distal edges of the first and second internal electrode patterns of the multilayer body are exposed; and peeling the adhesive layer from the side surface.

Abstract: A method for manufacturing a multilayer electronic component includes: preparing first ceramic green sheets on which first internal electrode patterns are formed spaced apart from each other and second ceramic green sheets on which second internal electrode patterns are formed spaced apart from each other; forming a ceramic green sheet stack by stacking the first ceramic green sheets and the second ceramic green sheets for the first internal electrode patterns and the second internal electrode patterns to be cross-stacked on each other; obtaining a multilayer body by cutting the ceramic green sheet stack to have a side surface to which distal edges of the first and second internal electrode patterns are exposed; adhering an adhesive layer to the side surface to which the distal edges of the first and second internal electrode patterns of the multilayer body are exposed; and peeling the adhesive layer from the side surface.

Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes alternately disposed with the dielectric layer; and external electrodes disposed on the body. The dielectric layer includes N-doped polydopamine.

Abstract: A method of manufacturing a multilayer electronic component, the method includes, attaching a margin portion green sheet including a ceramic material, a photocuring agent, and a photoinitiator to at least one end surface of each of the plurality of cut ceramic green sheet stacked bodies in the third direction, an energy irradiation operation of irradiating, with energy, the margin portion green sheet to generate a photocuring polymerization reaction between the photocuring agent and the photoinitiator.

Abstract: A method of manufacturing a multilayer electronic component includes cutting a stack, in which internal electrode patterns and ceramic green sheets are alternately stacked in a stacking direction, to obtain unit chips and attaching a portion of a ceramic green sheet for a side margin portion to the unit chips in a direction, different from the stacking direction. The attaching includes attaching the portion of the ceramic green sheet to the unit chips by compression between a first elastic body on which the ceramic green sheet is disposed and the unit chips. The first elastic body includes a first elastic layer having and a second elastic layer having an elastic modulus different from the first elastic layer, and disposed between the unit chips and the first elastic layer. An elastic modulus of the first elastic body is greater than 50 MPa and less than or equal to 1000 MPa.

Abstract: Proposed are a method of preparing a metal nanostructure, which includes (a) preparing a first metal template whose surface is coated with a polymeric micelle containing an amphiphilic polymer and (b) causing the first metal template to react with a second metal ion through a galvanic replacement reaction, and a metal nanostructure prepared thereby. The amphiphilic polymer is used as a capping agent during the replacement reaction so that the micellar polymer is adsorbed onto the template, thereby selectively allowing the replacement reaction. Thus, unlike in existing technologies in which nanostructures having limited forms are prepared, nanostructures having a new two-dimensional structure, including nanostructures having a plurality of pores formed between nanoparticles, can be prepared.

Abstract: A method of manufacturing a multilayer electronic component includes forming a stack by stacking a plurality of ceramic green sheets on which conductive patterns are disposed on a support film, cutting the stack in a second direction, perpendicular to a first direction which is a stacking direction of the plurality of ceramic green sheets, cutting the stack in a third direction, perpendicular to the first and second directions, to obtain a plurality of unit chips, separating the unit chip from the support film, arranging the unit chip such that one of side surfaces of the unit chip is in contact with an adhesive tape, and attaching another one of the side surfaces to a ceramic green sheet for a side margin portion, and forming a side margin portion on the another one of side surfaces.

Abstract: The present invention relates to a thermoplastic resin composition, which includes a first copolymer formed by polymerizing a monomer mixture of a (meth)acrylate-based monomer, a vinyl cyan-based monomer and a maleimide-based monomer, and having a refractive index of 1.5170 or less and a glass transition temperature of 115.0° C. or more; and a second copolymer formed by graft-copolymerizing an aromatic vinyl-based monomer and a vinyl cyan-based monomer onto an acrylic rubber polymer, and the thermoplastic resin composition according to the present invention has improved heat resistance, colorability and scratch resistance.

Abstract: A display device includes an active region including pixels receiving data signals through data lines, and a non-active region on a side of the active region in a first direction and including a pad portion. The display device includes non-active fan-out wirings in the non-active region and connected to the pad portion, signal wirings extending in the first direction across the active region and connected to the pixels, and connection wirings passing through the active region and connecting some of the non-active fan-out wirings and some of the signal wirings. Each of the connection wirings includes first and second extension portions made of a first conductive layer, and a third extension portion made of a second conductive layer different from the first conductive layer. The first and second extension portions extend in the first direction, and the third extension portion extends in a second direction intersecting the first direction.

Abstract: A capacitor component includes a body having a stacked portion in which first internal electrodes and second internal electrodes are alternately stacked with each other and with dielectric layers therebetween in a first direction, and having first and second connection portions disposed on opposite surfaces of the stacked portion, respectively, in a second direction perpendicular to the first direction. First and second external electrodes are disposed on the first and second connection portions, respectively. The first and second connection portions each include a metal layer disposed on the stacked portion and a ceramic layer disposed on the metal layer. Corners of the body have a rounded shape in a cross-section of the body extending in the first and second directions.

Abstract: The present disclosure relates to a method of preparing a polymer including preparing a first polymer mixture by polymerizing while continuously adding a monomer mixture comprising a (meth)acrylate-based monomer, a vinyl aromatic monomer, and a first vinyl cyanide-based monomer to a first reactor; and preparing a second polymer mixture by polymerizing while continuously adding a second vinyl cyanide-based monomer and the first polymer mixture to a second reactor, wherein a starting time of the continuous addition of the second vinyl cyanide-based monomer and the first polymer mixture is a time when a polymerization conversion rate is 40.0 to 55.0%, and a weight ratio of the first vinyl cyanide-based monomer and the second vinyl cyanide-based monomer is 10:90 to 35:65.

Abstract: A display device includes an active region including pixels receiving data signals through data lines, and a non-active region on a side of the active region in a first direction and including a pad portion. The display device includes non-active fan-out wirings in the non-active region and connected to the pad portion, signal wirings extending in the first direction across the active region and connected to the pixels, and connection wirings passing through the active region and connecting some of the non-active fan-out wirings and some of the signal wirings. Each of the connection wirings includes first and second extension portions made of a first conductive layer, and a third extension portion made of a second conductive layer different from the first conductive layer. The first and second extension portions extend in the first direction, and the third extension portion extends in a second direction intersecting the first direction.

Abstract: The present disclosure relates to a method of preparing a graft polymer, which includes: performing primary continuous polymerization by adding a diene-based rubber polymer and an aromatic vinyl-based monomer to a first reactor; and performing secondary continuous polymerization by adding the polymerization product discharged from the first reactor, a maleimide-based monomer, and a vinyl cyanide-based monomer to a second reactor.

Abstract: A thermoplastic resin composition of the present invention includes 55 to 70% by weight of a non-grafted copolymer (A) containing 65 to 83% by weight of a (meth)acrylic acid alkyl ester compound, 2 to 12% by weight of an N-substituted maleimide compound, 1 to 6% by weight of a vinyl cyanide compound, and 7 to 17% by weight of an aromatic vinyl compound; 20 to 42% by weight of an acrylate-based rubber-aromatic vinyl compound-vinyl cyanide compound graft copolymer (B) containing acrylate-based rubber having an average particle diameter of 50 to 200 nm; and 1 to 15% by weight of an acrylate-based rubber-aromatic vinyl compound-vinyl cyanide compound graft copolymer (C) containing acrylate-based rubber having an average particle diameter of 300 to 600 nm. Within this range, a thermoplastic resin composition having excellent weather resistance, heat resistance, scratch resistance, and colorability.

Abstract: Provided is a method of preparing a graft copolymer, which includes: preparing a liquid maleimide-based monomer; preparing a reaction solution including a diene-based rubber polymer, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer; and adding the liquid maleimide-based monomer and the reaction solution to a reactor and carrying out polymerization. According to the preparation method of the present invention, the amount of the maleimide-based monomer involved in the polymerization can be increased, and the color characteristics, glass transition temperature, and softening temperature of the graft copolymer are improved.

Abstract: The present disclosure relates to a thermoplastic resin composition including a styrene-based copolymer comprising a (meth)acrylate-based monomer, an aromatic vinyl-based monomer, and a maleimide-based monomer; a first graft copolymer including an acrylic-based rubber polymer, an aromatic vinyl-based monomer, and a vinyl cyanide-based monomer; and a second graft copolymer comprising an acrylic-based rubber polymer, an aromatic vinyl-based monomer, and a vinyl cyanide-based monomer, wherein the styrene-based copolymer has a residual oligomer content of 0.37% by weight or less, and the acrylic-based rubber polymer of the first graft copolymer and the acrylic-based rubber polymer of the second graft copolymer have different average particle diameters. A method of preparing the thermoplastic resin composition, and a molded article including the thermoplastic resin composition are also disclosed.