Abstract: The present invention provides a thin film comprising a perovskite halide represented by chemical formula 1. AB(BrxCly)3 ??[Chemical formula 1] wherein, A is a monovalent cation consisting of a combination of NH2CHNH2+ (formamidinium, FA), CH3NH3+ (methyl ammonium, MA) and Cs+, wherein FA is included in an amount of 0.2-0.8 moles with respect to 1 mole of the monovalent cation, B is at least one divalent cation selected from Pb2+, Sn2+, Ge2+, Ti2+, Zr2+, Mn2+, Ni2+, Fe2+, Zn2+and Cu2+, and x and y satisfy 0.5?x?0.8, 0.2?y?0.5, and x+y=1.

Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer on the cathode current collector. The cathode active material layer includes a plurality of a lithium-metal oxide particle that has a shape of a single particle. An activation energy (Ea) of the cathode is in a range from 50 kJ/mol to 80 kJ/mol.

Abstract: Provided is a bowel-cleansing composition comprising anhydrous magnesium sulfate, potassium sulfate, and anhydrous sodium sulfate, in combination with prucalopride or sodium picosulfate.

Abstract: The present invention relates to a microorganism-based cosmetic composition containing, as an active ingredient, at least one of a fermentation product of Lactococcus lactis, a fermentation product of Limosilactobacillus reuteri, and a fermentation product of Saccharomyces cerevisiae, and containing a fermentation product of Lactiplantibacillus plantarum as an active ingredient, as well as a method for producing the same.

Abstract: A metaverse application places a first avatar of a first player at a first position and a second avatar of a second player at a second position in a virtual experience. The metaverse application determines a bias direction based on the first position and the second position. The metaverse application determines a bias offset based on the bias direction, the first position, and the second position. The metaverse application a camera position of a virtual camera in the virtual experience based on the bias offset. The metaverse application presents a field of view of a third player in cinematic mode based on the camera position of the virtual camera.

Abstract: A method by which a chatbot application executed by at least one processor of a terminal provides a chatbot for rehabilitation education for a hearing loss patient, according to an embodiment of the present disclosure, includes: executing the chatbot that provides hearing loss rehabilitation content that is interactive learning content for hearing rehabilitation education for the hearing loss patient; determining the type of hearing loss rehabilitation content on the basis of the executed chatbot; providing the hearing loss rehabilitation content according to the determined type; acquiring user response data regarding an audio quiz of the provided hearing loss rehabilitation content; performing a correct/wrong processing process for determining whether or not the acquired user response data is a correct answer, and providing a result of the performed correct/wrong processing process.

Abstract: A visibility improvement method using gaze tracking includes detecting a gaze of a user using a camera; determining a focus object at which the user gazes from among at least one object viewed through a display unit of an electronic device; and displaying, on the display unit, an image with high visibility that corresponds to the focus object and has higher visibility than the focus object.

Abstract: A cathode active material for a lithium secondary battery including a lithium-transition metal composite oxide particle is provided. A crystal grain size of the lithium-transition metal composite oxide particle measured by an XRD analysis is 250 nm or more, and an XRD peak intensity ratio of the lithium-transition metal composite oxide particle is 9.8% or less. A lithium secondary battery including the lithium-transition metal composite oxide particle and having improved life-span and rate capability is provided.

Abstract: A cathode active material for a lithium secondary battery includes a lithium-transition metal oxide particle. A crystal index (CI) of the lithium-transition metal oxide particle is 15 or more. A lithium secondary includes a cathode including the cathode active material, and an anode facing the cathode. The cathode active material and the lithium secondary battery have improved operational reliability and thermal stability.

Abstract: A positive electrode active material according to an Example of the present invention may comprise a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element, wherein an I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8.

Abstract: A cathode active material for a lithium secondary battery including a lithium-transition metal composite oxide particle is provided. A crystal grain size of the lithium-transition metal composite oxide particle measured by an XRD analysis is 250 nm or more, and an XRD peak intensity ratio of the lithium-transition metal composite oxide particle is 9.8% or less. A lithium secondary battery including the lithium-transition metal composite oxide particle and having improved life-span and rate capability is provided.

Abstract: The present invention relates to a pharmaceutical composition for preventing or treating diabetic eye disease, comprising sodium-glucose cotransporter-2 (SGLT-2) inhibitor, and a method for preventing or treating diabetic eye disease by using same.

Abstract: A display driving device for driving a display panel, including a gate line, a data line intersecting with the gate line, and a pixel defined by the gate line and the data line, includes a data driver inputting an image signal to the pixel through the data line, a panel test unit determining the occurrence or not of an error of the gate line or the data line, and a switching unit selectively connecting the data driver or the panel test unit to the display panel.

Abstract: The present invention relates to a composition for inhibiting skin pigmentation through enhanced autophagy activity, comprising procyanidin A2 and quercetin as active ingredients. The combination of procyanidin A2 and quercetin compounds not only inhibits tyrosinase but also increases autophagy activity, thus showing remarkable effectiveness in inhibiting melanin synthesis. Therefore, this composition can be advantageously used in various materials, including food products, cosmetic compositions, and pharmaceutical compositions, associated with skin pigmentation.

Abstract: A positive electrode active material may include a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element. An I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8.

Abstract: A lithium secondary battery according to an embodiment of the present invention includes an electrode assembly including a separation layer, and a plurality of cathodes and a plurality of anodes separated by the separation layer and repeatedly stacked, and a gas adsorption layer coated on a single surface of an outermost anode among the plurality of anodes.

Abstract: A cathode active material for a lithium secondary battery includes a lithium-transition metal composite oxide particle having a lattice strain (?) of 0.18 or less, which is calculated by applying Williamson-Hall method defined by Equation 1 to XRD peaks measured through XRD analysis, and having an XRD peak intensity ratio of 8.9% or less, which is defined by Equation 2. By controlling the lattice strain and XRD peak intensity ratio of the lithium-transition metal composite oxide particle, a lithium secondary battery with improved life-span characteristics as well as output characteristics is provided.

Abstract: The present disclosure relates to a composition for skin whitening containing a Nypa fruticans extract as an active ingredient. The composition has an effect of reducing melanin content and inhibiting melanogenesis, and enhances a skin whitening effect by enhancing autophagy activity, and thus can be used in a cosmetic composition, a health functional food composition, and a pharmaceutical composition.

Abstract: A positive electrode active material may include a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element. An I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.

Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer on the cathode current collector. The cathode active material layer includes a plurality of a lithium-metal oxide particle that has a shape of a single particle. An activation energy (Ea) of the cathode is in a range from 50 kJ/mol to 80 kJ/mol.