Abstract: An implantable device for automatic drug administration includes a housing; a drug release unit configured to eject a drug; and a driving unit configured to drive the drug release unit at preset intervals, wherein the drug release unit comprises a drug storage, a drug chamber receiving a drug from the drug storage, and a drug release controller configured to fill the drug chamber with a drug received and release the drug filled in the drug chamber. The drug release controller comprises a plunger configured to form one of positive pressure and negative pressure in the drug chamber as the plunger moves, a plunger spring configured to apply a restoring force to a position where the plunger applies presses the drug chamber, and a gear portion connected to the driving unit and configured to rotate at a preset time to drive the drug release unit.

Abstract: A display device comprises a substrate including a display area including light emission areas, and a non-display area disposed adjacent to the display area, a circuit layer disposed on the substrate, and an element layer disposed on the circuit layer, and including light emitting elements disposed in the light emission areas. The circuit layer includes emission pixel drivers electrically connected to the light emitting elements, and gate lines electrically connected to the emission pixel drivers. The gate lines are disposed in a first gate conductive layer on a first gate insulating layer overlapping a semiconductor layer. The gate lines include first gate lines, each of which includes an extension portion extended to the non-display area and disposed in the non-display area. An extension length of the extension portion is equal to or greater than a width of the emission pixel driver in the first direction.

Abstract: A camera module according to an embodiment of the present invention includes: a lens group; a lens support unit for accommodating the lens group; a magnet arranged on the outer surface of the lens support unit; a yoke portion spaced apart from the magnet and arranged to face the magnet; and a coil arranged on the yoke portion so as to be spaced apart from and to face the magnet between the magnet and the yoke portion, wherein the lens group, the lens support unit, and the magnet move together along an optical axis according to a current applied to the coil, the yoke portion includes a first yoke and a second yoke arranged on the first yoke, the second yoke is arranged between the first yoke and the coil, and magnetism of the first yoke is stronger than that of the second yoke.

Abstract: The present specification relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a positive electrode active material for a lithium secondary battery with excellent electrical conductivity and energy density, a method of preparing the same, and a positive electrode and a secondary battery including the same.

Abstract: The present specification relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a positive electrode active material for a lithium secondary battery with excellent electrical conductivity and energy density, a method of preparing the same, and a positive electrode and a secondary battery including the same.

Abstract: Disclosed is an electrochemical device separator including a porous polymer substrate and an organic/inorganic composite porous coating layer formed on at least one side of the polymer substrate, wherein the organic/inorganic composite porous coating layer comprises particulate binder resins and first inorganic particles, the particulate binder polymers include hybrid polymer particles of a fluorine-based polymer and an acrylic-based polymer and acrylic-based polymer particles, the acrylic polymer particles have a particle size D50 “a” in a range of 1 to 7 ?m, the first inorganic particles have a particle size D50 “b” in a range of 200 to 800 nm, a/b is 2 to 15, and the hybrid polymer particles have a particle size D50 smaller than that of the acrylic polymer particles.

Abstract: A foldable display device includes a display panel which includes a folding area, a first non-folding area disposed adjacent to a first side of the folding area, and a second non-folding area disposed adjacent to a second side of the folding area opposite to the first side of the folding area, and a panel support member which is disposed on a surface of the display panel and in which a plurality of slits extending in a first direction is defined. The panel support member includes a first layer which has a first fiber yarn extending in a second direction intersecting the first direction, a second layer which has a second fiber yarn extending in the first direction, and a third layer which has a third fiber yarn extending in the second direction.

Abstract: The present disclosure relates to a negative electrode for a lithium secondary battery, a method for manufacturing the negative electrode, and the lithium secondary battery including the negative electrode. The negative electrode can include a negative electrode current collector layer, a silicon-based negative electrode active material layer provided on at least one surface of the negative electrode current collector layer, and a ceramic layer provided on a surface of the silicon-based negative electrode active material layer opposite to a surface of the negative electrode active material layer facing the negative electrode current collector layer. The ceramic layer can include a ceramic layer composition or a dried product thereof, and the ceramic layer composition can include ceramic and a binder. BaTiO3 can be included in an amount of 10 parts by weight or more and 50 parts by weight or less based on 100 parts by weight of the ceramic.

Abstract: The present invention relates to a lithium secondary battery which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution, wherein a patterned gel polymer electrolyte layer is included on one surface or both surfaces of at least one structure of the positive electrode, the negative electrode, or the separator.

Abstract: Disclosed is an electrochemical device separator and an electrochemical device including the same. The separator includes a porous polymer substrate and a porous organic/inorganic composite coating layer formed on at least one surface of the polymer substrate, in which the porous coating layer includes particulate binder resins and inorganic particles, and [content of binder particles in an upper portion of a porous coating layer before impregnation with electrolyte/content of binder particles in a central portion of a porous coating layer before impregnation with electrolyte]?[content of binder particles in an upper portion of a porous coating layer after impregnation with electrolyte/content of binder particles in a central portion of a porous coating layer after impregnation with electrolyte] is 0.32 or less.

Abstract: An electrochemical device separator including a porous polymer substrate and a porous organic/inorganic composite coating layer on at least one surface of the porous polymer substrate. The porous organic/inorganic composite coating layer includes particulate binder polymers, a non-particulate acrylic-containing polymer, and first inorganic particles. The particulate binder polymers include hybrid polymer particles including a fluorine-containing polymer and an acrylic-containing polymer, and acrylic-containing polymer particles. The acrylic-containing polymer particles have a particle size D50 (a) in a range of 1 ?m to 7 ?m, the first inorganic particles have a particle size D50 (b) in a range of 200 nm to 800 nm, a/b is in a range of 2 to 15, and hybrid polymer particles have a particle size D50 less than 250 nm.

Abstract: A circuit board according to an embodiment includes an insulating layer including a first via hole; a first via disposed in the first via hole of the insulating layer; wherein the first via includes: a first via part disposed in a first region of the first via hole; and a second via part disposed in a second region other than the first region of the first via hole; wherein the second region is a central region of the first via hole, and the first region is an outer region surrounding the second region; wherein the first via part and the second via part includes: a first surface in contact with each other; and a second surface other than the first surface exposed on the insulating layer; wherein the first surface has a first surface roughness; wherein the second surface has a second surface roughness different from the first surface roughness.

Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.

Abstract: Provided are porous silica impregnated with an extract of an Epidermidibacterium keratini strain, a cosmetic composition including the same, and a method of producing the cosmetic composition. Porous silica according to one aspect is impregnated with an E. keratini strain extract, which is a water-insoluble component, and thus can improve the negative feeling of use characteristic of the water-insoluble component and be formulated stably. In addition, the porous silica has an excellent skin improvement effect, and thus can be used as a cosmetic composition.

Abstract: A circuit board according to an embodiment includes an insulating layer including a first via hole; a first via disposed in the first via hole of the insulating layer; wherein the first via includes: a first via part disposed in a first region of the first via hole; and a second via part disposed in a second region other than the first region of the first via hole; wherein the second region is a central region of the first via hole, and the first region is an outer region surrounding the second region; wherein the first via part and the second via part includes: a first surface in contact with each other; and a second surface other than the first surface exposed on the insulating layer; wherein the first surface has a first surface roughness; wherein the second surface has a second surface roughness different from the first surface roughness.

Abstract: Disclosed is an electrochemical device separator including a porous polymer substrate and an organic/inorganic composite porous coating layer formed on at least one side of the polymer substrate, wherein the organic/inorganic composite porous coating layer comprises particulate binder resins and first inorganic particles, the particulate binder polymers include hybrid polymer particles of a fluorine-based polymer and an acrylic-based polymer and acrylic-based polymer particles, the acrylic polymer particles have a particle size D50 “a” in a range of 1 to 7 ?m, the first inorganic particles have a particle size D50 “b” in a range of 200 to 800 nm, a/b is 2 to 15, and the hybrid polymer particles have a particle size D50 smaller than that of the acrylic polymer particles.

Abstract: A monitoring apparatus according to an example embodiment disclosed in this document may include an image acquisition unit configured to acquire an image of at least one process processing device related to manufacturing of a battery cell, an analyzer configured to input the acquired image into an artificial intelligence model for determining a welding state of the battery cell to generate a first determination result of determining whether the battery cell is defective, and a determination unit configured to determine whether the battery cell is defective based on the first determination result.

Abstract: Disclosed is a separator suitable for an electrochemical device a porous including polymer substrate and an organic/inorganic composite porous coating layer on at least one side of the porous polymer substrate. The organic/inorganic composite porous coating layer includes particulate binder polymers and first inorganic particles, the particulate binder polymers include (a) hybrid polymer particles of a fluorine-containing polymer and an acrylic-containing polymer and (b) acrylic-containing polymer particles, the average particle diameter D50 of the acrylic-containing polymer particles “a” is in a range of 1 ?m to 7.5 ?m, the average particle diameter D50 of the inorganic particles “b” is in a range of 200 nm to 800 nm, a/b is in a range of 2 to 15, and the average particle diameter D50 of the hybrid polymer particles is smaller than the average particle diameter D50 of the acrylic-containing polymer particles.

Abstract: An electrochemical device separator including a porous polymer substrate and a porous organic/inorganic composite coating layer on at least one surface of the porous polymer substrate. The porous organic/inorganic composite coating layer includes particulate binder polymers, a non-particulate acrylic-containing polymer, and first inorganic particles. The particulate binder polymers include hybrid polymer particles including a fluorine-containing polymer and an acrylic-containing polymer, and acrylic-containing polymer particles. The acrylic-containing polymer particles have a particle size D50 (a) in a range of 1 ?m to 7 ?m, the first inorganic particles have a particle size D50 (b) in a range of 200 nm to 800 nm, a/b is in a range of 2 to 15, and hybrid polymer particles have a particle size D50 less than 250 nm.

Abstract: A method for producing manganese(II) sulfate monohydrate includes a pulverization and washing step of pulverizing and washing a manganese-containing by-product, a leaching step of leaching the pulverized manganese-containing by-product after the pulverization and washing step to produce a leachate, a neutralization step of neutralizing the leachate produced in the leaching step, an impurity removal step of removing impurities from the leachate neutralized in the neutralization step, a solvent extraction step of recovering manganese in the form of an aqueous solution of manganese sulfate from a process liquid subjected to the impurity removal step by using a solvent extraction method, and a crystallization step of producing manganese(II) sulfate monohydrate by evaporating and concentrating the aqueous solution of manganese sulfate produced in the solvent extraction step.