Abstract: A positive electrode active material precursor includes Ni and Mn and secondary particles formed by the aggregation of a plurality of primary particles. The secondary particles have a ratio of a core area to a total area of the particles ranging from 28.7% to 34.1%, and a porosity ranging from 11.3% to 11.7%. Also provided is a method for preparing the positive electrode active material precursor. Additionally, a positive electrode active material including a reaction product of the positive electrode active material precursor and a lithium raw material is provided. Also provided is a method for preparing a positive electrode active material using the positive electrode active material precursor.

Abstract: A positive electrode active material is provided, including a lithium transition metal oxide containing nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium transition metal oxide has 60 mol % or more nickel (Ni) with respect the total number of moles of transition metal except lithium, and is doped with at least any one doping element selected from the group consisting of B, Zr, Mg, Ti, Sr, W, and Al. The positive electrode active material has an average particle diameter (D50) of 4 ?m to 10 ?m after rolling at a rolling density of 3.0 g/cm3 to 3.3 g/cm3 and has the form of a single particle. A method of preparing the positive electrode active material, a positive electrode including the positive electrode active material, and a lithium secondary battery are also provided.

Abstract: A discount service method carried out by a discount service device. The method includes: obtaining discount rate information based on changes in variable values of respective discount elements of an object being sold; on the basis of the discount rate information, identifying, for a plurality of sales records of the object being sold, a consumer distribution corresponding to changes in the discount rates of the respective discount elements of the object being sold; and determining a final discount rate for a predetermined consumer of the object being sold, by applying weights to the respective discount elements, calculated on the basis of the identified consumer distribution. When the consumer distribution changes, the weights of the respective discount elements change, and thus the final discount rate is determined differently, even when the variable values of the respective discount elements for the predetermined consumer are the same.

Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.

Abstract: The present invention relates to an anti-respiratory syncytial virus (RSV) antibody and a pharmaceutical composition comprising the same, and particularly, to an anti-RSV antibody specifically binding to an F-protein of RSV, and a pharmaceutical composition for use in preventing or treating an RSV infection. The anti-RSV antibody according to the present invention can effectively prevent RSV infection and has excellent efficacy for alleviating and treating symptoms of RSV infection.

Abstract: Provided is a positive electrode active material capable of achieving a lithium secondary battery having excellent initial charge and discharge efficiency, life characteristics, and thermal stability and a preparation method thereof, wherein the positive electrode active material of the present invention includes a core portion including a lithium transition metal oxide wherein a mole ratio of nickel (Ni) in total transition metals is 80 mol % or more, and a layer-structured shell portion formed on the core portion and including a lithium transition metal oxide in which a molar ratio of manganese (Mn) in the total transition metals is 30 mol % or more, and satisfies Equation 1: 0.005 ? Thickness ? of ? the ? shell ? portion ( ?m ) Average ? particle ? diameter ( D 50 ) ? of ? the ? positive ? electrode ? ? active ? material ( ?m ) ? 0.15 .

Abstract: A positive electrode active material for a secondary battery includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide has a layered crystal structure of space group R3m, includes the nickel (Ni) in an amount of 60 mol % or less based on a total amount of transition metals, includes the cobalt (Co) in an amount greater than an amount of the manganese (Mn), and is composed of single particles.

Abstract: A method and an apparatus are for providing information on management of vehicle. A method of operating an electronic apparatus for providing a user with information on management of a vehicle includes generating a management scenario for the vehicle, requesting the user to approve the management scenario, and outputting management guide information based on progress of the user's exiting and progress of the management scenario.

Abstract: A head mounted fan includes: a main blowing tube configured to be mounted on an upper portion of a head of a user, the main blowing tube having an air inlet through which air is introduced and including a main flow path through which air flows therein; a sub blowing tube connected to the main blowing tube, wherein the sub blowing tube includes a plurality of sub flow paths branching from the main flow path to extend in one direction of the head when the head mounted fan is worn on the head, and wherein air is discharged toward a scalp of the head through a plurality of air outlets communicating with the sub flow paths; and a wind generating unit configured to provide air pressure for causing the air to flow in the main flow path.

Abstract: A discount service method carried out by a discount service device. The method includes: obtaining discount rate information based on changes in variable values of respective discount elements of an object being sold; on the basis of the discount rate information, identifying, for a plurality of sales records of the object being sold, a consumer distribution corresponding to changes in the discount rates of the respective discount elements of the object being sold; and determining a final discount rate for a predetermined consumer of the object being sold, by applying weights to the respective discount elements, calculated on the basis of the identified consumer distribution. When the consumer distribution changes, the weights of the respective discount elements change, and thus the final discount rate is determined differently, even when the variable values of the respective discount elements for the predetermined consumer are the same.

Abstract: Provided is a method of manufacturing a positive electrode active material, which includes: (A) preparing a positive electrode active material precursor which includes a core portion including randomly aggregated primary particles and a shell portion surrounding the core portion and formed of primary particles oriented in a direction from a particle center to the outside and in which a ratio of a crystal grain size in the (100) plane to a crystal grain size in the (001) plane of the primary particles forming the shell portion is 3 or more; and (B) mixing the positive electrode active material precursor with a lithium-containing raw material and firing the mixture, wherein the lithium transition metal oxide has an average particle diameter (D50) that is 0.01% to 20% reduced as compared to an average particle diameter (D50) of the positive electrode active material precursor.

Abstract: A positive electrode active material precursor includes: a first region formed in the center of a particle of the positive electrode active material precursor and having a composition represented by Chemical Formula 1 or 2; and a second region formed on the first region and having a composition represented by Chemical Formula 3 or 4. A method of preparing the positive electrode active material precursor is also provided.

Abstract: A positive electrode active material precursor and method of preparing the same are disclosed herein. In some embodiments, a positive electrode active material precursor includes a particle having a first region, a second region, and a third region, a composition of the particle is represented by the following Formula 1 or Formula 2: [M1aM2bM3cM4d](OH)2??[Formula 1] [M1aM2bM3cM4d]O·OH??[Formula 2] M1, M2, and M3 are different from each other and independently selected from the group consisting of Ni, Co, and Mn, M4 is at least one selected from the group consisting of B, Mg, Ca, Al, Ti, V, Cr, Fe, Zn, Ga, Y, Zr, Nb, Mo, Ta, and W, and 0<a<1, 0<b<1, 0<c<1, 0?d<1, and a+b+c+d=1, wherein the first region is at a center of a particle, the second region is disposed on the first region, and the third region is disposed on the second region.

Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.

Abstract: A method and apparatus for a customized autonomous driving apparatus, the apparatus including: an input-output unit configured to receive data input using one or more of a touch screen, a graphic user interface (GUI), speech recognition, and configured to visually and audibly output data received from another unit; a driving pattern learning unit configured to learn a driving pattern of a user with respect to one or more of information on acceleration, braking, steering, inter-vehicle distance, lane change, overtaking, and a response to road facilities, based on a process the user performs when driving; a driving pattern storage unit configured to store the driving pattern learned by the driving pattern learning unit; and an autonomous driving unit configured to perform autonomous driving based on one driving pattern input by the input-output unit.

Abstract: An embodiment driving pattern learning apparatus includes a driving mode selection unit configured to receive an autonomous driving mode or a driving pattern learning mode using an input unit, a driving pattern learning unit configured to learn a driving pattern of a user comprising acceleration, braking, steering, an inter-vehicle distance, a lane change, overtaking, or a response to road facilities based on a process of driving by the user in the driving pattern learning mode, and a memory configured to store the driving pattern learned by the driving pattern learning unit.

Abstract: A method and an apparatus for setting a driving mode of a vehicle are disclosed. The method performed by an in-vehicle apparatus for setting a driving mode includes: determining a state of an occupant, determining a type of road on which the vehicle is traveling, and setting the driving mode of the vehicle based on the state of the occupant and the type of the road.

Abstract: Disclosed are a surface-enhanced Raman scattering-based biosensor for diagnosing prostate cancer with high sensitivity and a method of detecting a prostate-cancer-derived target biomarker using the same.

Abstract: A laser ablation apparatus includes: a laser beam generator including beam sources for generating laser beams, the laser beam generator using a solid-state laser; an output beam generator for generating an output beam using the laser beams; and a substrate stage including at least one stage on which a carrier substrate formed on the front of a panel substrate is disposed. The output beam generator may include: mixers for generating mixed laser beams having two linear-polarizations orthogonal to each other by mixing the laser beams; and a photo molding machine for generating the output beam using the mixed laser beams.

Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.