Abstract: A method for producing a high-nickel positive electrode active material, a positive electrode active material produced thereby, and a positive electrode and a lithium secondary battery including the same is provided. The method includes preparing a lithium composite transition metal oxide having a nickel content of 80 atm % or greater among transition metals, washing the lithium composite transition metal oxide, and mixing the washed lithium composite transition metal oxide with an aluminum raw material and heat treating the mixture at a temperature of 650° C. to 690° C. to obtain a positive electrode active material having a surface portion doped with aluminum.

Abstract: A positive electrode including a positive electrode active material layer disposed on at least one surface of a positive electrode current collector, the positive electrode active material layer including a lithium transition metal phosphate, a fluorine-based binder, and a conductive material. The lithium transition metal phosphate includes a carbon coating layer formed on a surface thereof, and a ratio (B/A) of a total weight (B) of the fluorine-based binder to a total weight (A) of carbon of the conductive material and the lithium transition metal phosphate in the positive electrode active material layer is 0.7 to 1.7.

Abstract: A semiconductor device includes a substrate including a first region, and a second region, a first gate structure and a second gate structure on the substrate of the first region, a third gate structure and a fourth gate structure on the substrate of the second region, a first interlayer insulating film on the substrate of the first region and including a first lower interlayer insulating film and a first upper interlayer insulating film, a second interlayer insulating film on the substrate of the second region and including a second lower interlayer insulating film and a second upper interlayer insulating film, a first contact between the first gate structure and the second gate structure and within the first interlayer insulating film, and a second contact formed between the third gate structure and the fourth gate structure and within the second interlayer insulating film.

Abstract: The present disclosure relates to a transmission of an agricultural work vehicle, the transmission comprising: a pre-shift part for performing speed shifting on driving transmitted from an engine of an agricultural work vehicle; a clutch part connected to the pre-shift part so as to selectively output driving transmitted from the pre-shift part; an adjusting part connected to the clutch part so as to perform speed shifting on driving transmitted from the clutch part; and a subsequent shift part connected to the adjusting part so as to perform speed shifting on driving transmitted from the adjusting part.

Abstract: An atomic layer deposition method for manufacturing a platinum-based alloy catalyst includes applying a support in a reactor and depositing an alloy of platinum and a non-platinum metal on the support through a super cycle comprising a first sub-cycle and a second sub-cycle.

Abstract: A display panel includes a substrate having a first area in which first pixels are disposed and a second area in which second pixels and a light-transmitting area disposed between the second pixels are disposed, and a polarizing plate disposed above the light-transmitting area and including a light-transmitting pattern having a light transmittance higher than that of the remaining area, wherein the substrate includes a high-transmission area having a higher light transmittance than the remaining portion in a position corresponding to the second area.

Abstract: The present disclosure provides a method for producing a cell-culturing polyvinyl alcohol-based nanofiber structure, the method comprising: electrospinning an electrospun solution to form a nanofiber mat, wherein the electrospun solution contains polyvinyl alcohol (PVA), polyacrylic acid (PA) and glutaraldehyde (GA); crosslinking the nanofiber mat via a hydrochloric acid (HCl) vapor treatment; and treating the crosslinked nanofiber mat with dimethylformamide (DMF) solvent to crystallize the nanofiber mat.

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: The disclosure relates to an ultrathin micro-spectrometer and a method of manufacturing the same, and more particularly, relates to an ultrathin micro-spectrometer including: a lens portion including: a convex lens; and a back-reflection grating layer which is formed on a rear surface of the convex lens and on the same surface of which a reflective diffraction grating and a first planar reflector are arranged; a substrate layer which is disposed to be spaced apart from the lens portion and on which a light incidence microslit is formed; a second planar reflector which is formed on the substrate layer; and a complementary metal-oxide-semiconductor (CMOS) sensor on which light reflected by the lens portion is focused, and a method of manufacturing the same.

Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.

Abstract: A display device includes: a substrate including a display area and a folding area positioned in a portion of the display area; a display structure disposed on the substrate; a protection film disposed on the substrate and overlapping the folding area; an adhesive member disposed between the protection film and the substrate, wherein the protection film adheres to the substrate by the adhesive member; a first antistatic layer disposed between the protection film and the adhesive member, wherein the first antistatic layer includes a first compound; a second antistatic layer disposed on a bottom surface of the protection film, wherein the second antistatic layer includes a second compound; and a supporting member disposed on the second antistatic layer, wherein the supporting member includes an opening overlapping the folding area.

Abstract: The present invention relates to a composition for etching, comprising a first inorganic acid, a first additive represented by Chemical Formula 1, and a solvent. The composition for etching is a high-selectivity composition that can selectively remove a nitride film while minimizing the etch rate of an oxide film, and which does not have problems such as particle generation, which adversely affect the device characteristics.

Abstract: An apparatus for inspecting an inkjet head nozzle is capable of rapidly inspecting a jetting state of ink droplets sprayed from a head nozzle of inkjet equipment provided in a glove box. The apparatus for inspecting the inkjet head nozzle according to an embodiment includes a cartridge fastening portion which is installed in the glove box having the built-in inkjet equipment, and a cartridge portion which is provided with a testbed for the inspection of the jetting state of ink droplets from the head nozzle of the inkjet equipment, which has an inspection film supply roll and an inspection film recovery roll that are installed therein and replaceable so as to supply an inspection film onto the upper portion of the testbed, and which is attachable to/detachable from the cartridge fastening portion.

Abstract: A streaming broadcast sponsorship system using an Internet of Things device, capable of inducing a viewer's sponsorship by enabling control of a broadcaster-owned Internet of Things device when the viewer's sponsorship is available is provided, the streaming broadcast sponsorship system includes a broadcaster terminal configured to generate a content and perform a streaming broadcast, a viewer terminal configured to be capable of viewing the broadcast, a server configured to receive the content from the broadcaster terminal, and transmit the received content to the viewer terminal, and IoT devices configured to be capable of communicating with the server and operated by the server, in which the viewer terminal generates sponsorship information for the broadcaster and transmit the sponsorship information to the server, and the server transmits a control signal corresponding to the sponsorship information to the IoT devices, and the IoT devices are operated by the control signal.

Abstract: Provided is a method and an apparatus for optimizing memory power and provide a method and an apparatus for optimizing memory power by minimizing power consumed by pins of a memory by using an SBR pattern. The method of optimizing memory power using a PAM-4 (Pulse-Amplitude Modulation-4) method includes: setting a ratio and sizes of a pull-up transistor and a pull-down transistor included in a driver according to a smallest size of a plurality of eyes included in an eye diagram of a memory; and setting a reference voltage of a sampler and a phase interpolator (PI) digital code value included in the memory by using a signal bit response (SBR) pattern.

Abstract: A streaming broadcast sponsorship system using an Internet of Things device, capable of inducing a viewer’s sponsorship by enabling control of a broadcaster-owned Internet of Things device when the viewer’s sponsorship is available is provided, the streaming broadcast sponsorship system includes a broadcaster terminal configured to generate a content and perform a streaming broadcast, a viewer terminal configured to be capable of viewing the broadcast, a server configured to receive the content from the broadcaster terminal, and transmit the received content to the viewer terminal, and IoT devices configured to be capable of communicating with the server and operated by the server, in which the viewer terminal generates sponsorship information for the broadcaster and transmit the sponsorship information to the server, and the server transmits a control signal corresponding to the sponsorship information to the IoT devices, and the IoT devices are operated by the control signal.

Abstract: Disclosed herein are a device and method for providing a function for communication with a companion animal based on the Internet of Things which remotely control an apparatus capable of identifying a desire of the companion animal and satisfying the desire of the companion animal, the device includes a desire signal delivery unit configured to receive a desire signal of a companion animal and deliver the desire signal through a companion animal communication-dedicated application running in a user terminal, a remote control signal reception unit configured to receive a remote control signal of a desire-satisfying device which matches the desire signal delivered by the desire signal delivery unit through the companion animal communication-dedicated application running in the user terminal, and a remote control signal delivery unit configured to deliver the remote control signal received by the remote control signal reception unit to the desire-satisfying device.

Abstract: Provided is a method and an apparatus for optimizing memory power and provide a method and an apparatus for optimizing memory power by minimizing power consumed by pins of a memory by using an SBR pattern. The method of optimizing memory power using a PAM-4 (Pulse-Amplitude Modulation-4) method includes: setting a ratio and sizes of a pull-up transistor and a pull-down transistor included in a driver according to a smallest size of a plurality of eyes included in an eye diagram of a memory; and setting a reference voltage of a sampler and a phase interpolator (PI) digital code value included in the memory by using a signal bit response (SBR) pattern.

Abstract: The present invention relates to a sample diluting and dispensing device. The sample diluting and dispensing device according to the present invention includes: a sample holding plate in which a holding part for holding a plurality of sample vessels is formed; a moving unit for transferring the sample holding plate in a plane direction and a height direction; a sample supply unit for supplying a sample to the sample vessel; a diluent supply unit for supplying a diluent to the sample vessel; a scale installed below the sample holding plate to measure a weight of the sample vessel; and a controller for receiving a weight measurement result from the scale and controlling an operation of each of the sample holding plate, the sample supply unit, and the diluent supply unit.

Abstract: Provided is a transmitter performing at least feed-forward equalizing and crosstalk cancellation, the transmitter including: a main driver (20) generating waveform including data to be transmitted; and an FFE driver block (40) connected to the main driver in parallel, and generating waveform that is acquired by applying a sum of amplitude for feed-forward equalizing and amplitude for crosstalk cancellation, so as to adjust the waveform generated by the main driver.