Abstract: A method of preparing a positive electrode active material for a secondary battery includes preparing a lithium composite transition metal oxide which includes nickel, cobalt, and manganese and contains 60 mol % or more of the nickel among all metals except lithium, adding a moisture absorbent and the lithium composite transition metal oxide into an atomic layer deposition (ALD) reactor, and adding a coating metal precursor into the atomic layer deposition (ALD) reactor and forming a metal oxide coating layer on surfaces of particles of the lithium composite transition metal oxide by atomic layer deposition (ALD).

Abstract: An air conditioner includes an outdoor unit, a plurality of mode change devices including at least one mode changer including a branch duct and a changing valve, and configured to receive a control signal from the outdoor unit to control an operation of the at least one mode changer. A plurality of indoor units are connected to the outdoor unit or the plurality of mode change devices. The outdoor unit may determine an operation mode to operate the plurality of mode change devices a plurality of times. Each of the plurality of indoor units may detect a temperature change of an indoor heat exchanger in response to the operation of the mode change devices, to determine the number of connected mode changers and a connectable mode changer candidate group based on the temperature change of the indoor heat exchanger.

Abstract: A display panel may include a light emitting element including a light emitting layer and a sensor including a photosensitive layer on a substrate. The light emitting element and the sensor each may include respective portions of first and second common auxiliary layers, which may be continuous under and over the light emitting layer and the photosensitive layer. The first and second common auxiliary layers respectively may include a hole transport material and an electron transport material. The photosensitive layer may include first and second semiconductor layers close to the first and second common auxiliary layers, respectively. The first and second semiconductor layers respectively may include a p-type semiconductor and an n-type semiconductor. The second semiconductor layer may have an uneven surface facing the second common auxiliary layer and may have an average roughness (Rq) of greater than or equal to about 5 nm.

Abstract: Disclosed is an image segmentation device. The image segmentation device may include: a storage unit storing a segmentation model learned so as to segment at least one predetermined object; and at least one processor inputting input data into the segmentation model and segmenting at least one predetermined object in the input data, in which the segmentation model may include an encoder including at least one dimension reduction block reducing a dimension of the input data, a decoder including at least one dimension increase block increasing the dimension of output data output from the encoder by using data output from at least one dimension reduction block, and an auxiliary classification model receiving the output data and recognizing whether a specific object is included in the output data.

Abstract: An electronic device includes a substrate with a conductive structure and a substrate encapsulant. The conductive structure has a lead with a lead via and a lead protrusion. The lead via can include via lateral sides defined by first concave portions and the lead protrusion can include protrusion lateral sides defined by second concave portions. The substrate encapsulant covers the first concave portions at a first side of the substrate but not the second concave portions so that the lead protrusion protrudes from the substrate encapsulant at a second side of the substrate. An electronic component can be adjacent to the first side of the substrate and electrically coupled to the conductive structure. A body encapsulant encapsulates portions of the electronic component and the substrate. The lead can further include a lead trace at the second side of the substrate.

Abstract: A positive electrode active material for a lithium secondary battery has a mixture of microparticles having a predetermined average particle size (D50) and macroparticles having a larger average particle size (D50) than the microparticles. The microparticles have the average particle size (D50) of 1 to 10 ?m and are at least one selected from the group consisting of particles having a carbon material coating layer on all or part of a surface of primary macroparticles having an average particle size (D50) of 1 ?m or more, particles having a carbon material coating layer on all or part of a surface of secondary particles formed by agglomeration of the primary macroparticles, and a mixture thereof. The macroparticles are secondary particles having an average particle size (D50) of 5 to 20 ?m formed by agglomeration of primary microparticles having a smaller average particle size (D50) than the primary macroparticles.

Abstract: In one example, a semiconductor device includes a substrate. The substrate includes a base including a top side and a cavity side opposite to the top side, leads extending from the cavity side, and an encapsulant interposed between the leads. An electronic component is located on the cavity side and spaced apart from the encapsulant. Other examples and related methods are also disclosed herein.

Abstract: A positive electrode for a lithium secondary battery includes a positive electrode collector, a first positive electrode active material layer formed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer formed on the first positive electrode active material layer and includes a second positive electrode active material. The first positive electrode active material and the second positive electrode active material include a lithium nickel-cobalt-based oxide in which an amount of nickel among total metallic components excluding lithium is 80 atm % or more, the first positive electrode active material has a molar ratio of nickel to cobalt of 18 or more, and the second positive electrode active material has a molar ratio of nickel to cobalt of less than 18.

Abstract: In one example, an electronic device includes an embedded module, which includes a module substrate and module components coupled to the module substrate. A device substrate is coupled to the first module substrate. Device terminals are coupled to the module components and a device encapsulant structure encapsulates the embedded module, the device substrate, and the device terminals. A portion of the device substrate is exposed from the device encapsulant structure and portions of the device terminals are exposed from the device encapsulant structure. Other examples and related methods are also disclosed herein.

Abstract: A positive electrode active material for a lithium secondary battery comprising lithium transition metal oxide particles having a core-shell structure which includes a core portion and a shell portion disposed on a surface of the core portion. Wherein, the average crystallite size of the core portion is smaller than an average crystallite size of the shell portion and an amount of nickel among total transition metals included in the core portion and the shell portion is 80 atm % or more. A positive electrode active material, which suppresses decomposition of an electrolyte solution and occurrence of micro cracks of the positive electrode active material during charge and discharge by forming an average crystallite size of a core portion of the high-nickel positive electrode active material smaller than an average crystallite size of a shell portion, and a method of preparing the same.

Abstract: A bimodal positive electrode active material includes a first lithium transition metal oxide and a second lithium transition metal oxide having an average particle diameter (D50) smaller than that of the first lithium transition metal oxide, wherein the first lithium transition metal oxide has higher particle strength and smaller crystalline size than the second lithium transition metal oxide, and a positive electrode and a lithium secondary battery which include the positive electrode active material. A positive electrode active material may improve high-temperature life characteristics and high-temperature storage characteristics of a lithium secondary battery. A positive electrode and a lithium secondary battery which include the positive electrode active material are also provided.

Abstract: A method of preparing a lithium secondary battery includes: (1) mixing a small particle lithium composite transition metal oxide having an average particle diameter (D50) of less than 7 ?m with a boron-containing raw material and performing a heat treatment, mixing a large particle lithium composite transition metal oxide having an average particle diameter (D50) of 8 ?m or more with a cobalt-containing raw material and a boron-containing raw material and performing a heat treatment, mixing the first positive electrode active material and the second positive electrode active material to prepare a positive electrode material having a bimodal particle diameter distribution, preparing a positive electrode by coating the positive electrode material on a positive electrode collector, and assembling the positive electrode, a negative electrode including a silicon-based negative electrode active material, and a separator.

Abstract: A positive electrode and a lithium secondary including the same is disclosed herein. In some embodiments, the positive electrode includes a positive electrode current collector, a first positive electrode active material layer and a second positive electrode active material layer sequentially stacked on the positive electrode current collector, wherein the first positive electrode active material layer and the second positive electrode active material layer include a bimodal positive active material, the first positive electrode active material layer includes small-diameter particles in the form of single particles, and the second positive electrode active material layer includes small-diameter particles in the form of secondary particles. The positive electrode has improved capacity, efficiency, lifespan, output properties, and thermal stability.

Abstract: The present disclosure relates to a positive electrode including a positive electrode active material layer formed on a positive electrode collector, wherein the positive electrode active material layer has a two-layer structure including a first positive electrode active material layer, which is formed on the positive electrode collector and includes a first positive electrode active material represented by Formula 1 and a second positive electrode active material represented by Formula 2, and a second positive electrode active material layer which is formed on the first positive electrode active material layer and includes a third positive electrode active material represented by Formula 1, wherein an average particle diameter D50 of the third positive electrode active material is the same or different from an average particle diameter D50 of the first positive electrode active material, and a lithium secondary battery including the same.

Abstract: A method of preparing a positive electrode active material for a secondary battery includes preparing a lithium composite transition metal oxide which includes nickel, cobalt, and manganese and contains 60 mol % or more of the nickel among all metals except lithium, adding a moisture absorbent and the lithium composite transition metal oxide into an atomic layer deposition (ALD) reactor, and adding a coating metal precursor into the atomic layer deposition (ALD) reactor and forming a metal oxide coating layer on surfaces of particles of the lithium composite transition metal oxide by atomic layer deposition (ALD).

Abstract: The present invention relates to an electrode of a double-layer structure including a different type of particulate active material having a different average particle diameter, and a secondary battery including the same, and according to the present invention, the mechanical strength and stability of the electrode increases, and the secondary battery to which they are applied exhibits excellent discharge capacity.

Abstract: A foam spacer applicator may include: a conveyer unit configured to automatically transfer a glass panel; a foam head unit disposed at a predetermined distance from the front side of the conveyer unit, and configured to automatically supply and bond a spacer to the glass panel transferred from the conveyer unit through a combination of an X-axis horizontal operation and a Y-axis elevation operation through an elevation guide plate disposed with a vertical structure; and a magazine unit disposed at a predetermined distance from the rear side of the foam head unit, and configured to inject and apply a sealant to both surfaces of the spacer while adjusting tension of the spacer, and automatically supply the spacer to the foam head unit.

Abstract: A foam spacer applicator may include: a conveyer unit configured to automatically transfer a glass panel; a foam head unit disposed at a predetermined distance from the front side of the conveyer unit, and configured to automatically supply and bond a spacer to the glass panel transferred from the conveyer unit through a combination of an X-axis horizontal operation and a Y-axis elevation operation through an elevation guide plate disposed with a vertical structure; and a magazine unit disposed at a predetermined distance from the rear side of the foam head unit, and configured to inject and apply a sealant to both surfaces of the spacer while adjusting tension of the spacer, and automatically supply the spacer to the foam head unit.

Abstract: Provided is a refrigerator. More functions can be added to a refrigerator door by coupling a home bar and a dispenser. Also, since the dispenser is disposed so that it is shielded from the outside, contamination of the dispenser can be prevented.

Abstract: A refrigerator is provided with a home-bar and a dispenser. The refrigerator includes a body in which storage compartments are formed, a body door selectively opening/closing the storage compartments, a home-bar door provided in the body door, and a dispenser located directly in the home-bar door.