Abstract: A positive electrode material, a positive electrode including the same, a lithium battery including the same, and a method of preparing the same are disclosed herein. In some embodiments, a method of preparing a positive electrode active material including forming a first coating layer on a surface of a lithium transition metal oxide represented by Formula 1 using a basic aqueous solution containing a coating element M1 (where M1 includes at least one selected from sodium (Na) and aluminum (Al)), dry-mixing the lithium transition metal oxide having the first coating layer formed on a surface thereof, and a raw material containing a coating element M2 (where M2 includes boron (B)) and heat treating the mixture to form a second coating layer.

Abstract: A slurry composition for chemical mechanical polishing (CMP) is provided. The slurry composition includes colloidal silica particles, at least one nonionic compound among dextran, dextrose, and dextrin, an amino acid, a pH buffer, and a pH adjuster. The slurry composition may have a pH of 1 to 4.

Abstract: The present invention relates to a use of a carbamate compound represented by chemical formula 1, or a pharmaceutically acceptable salt, a solvate or a hydrate thereof for preventing, alleviating or treating myotonia.

Abstract: A display device includes pixels including a light-emitting element, and an initialization transistor connected between an anode electrode of the light-emitting element and a first initialization power line to which a voltage of initialization power is supplied, and turned on when an initialization scan signal is supplied, and an initialization scan driver which supplies the initialization scan signal. The initial scan driver supplies an i-th (i is a natural number) initial scan signal to overlap an (i?1)-th initial scan signal, and supplies an (i+1)-th initial scan signal so as not to overlap the i-th initial scan signal, and the initialization scan signal is set to a gate-on voltage.

Abstract: A positive electrode active material for a lithium secondary battery includes a lithium transition metal oxide containing nickel, cobalt, and manganese and a cobalt-containing coating layer. The lithium transition metal oxide is in the form of a secondary particle in which primary particles are aggregated. The coating layer is formed at interface between the primary particles positioned on the surface and inside of the lithium transition metal oxide secondary particle. A spectrum measured for the lithium transition metal by TEM-EELS includes a first peak in a region from a surface of a primary particle in a surface portion of the secondary particle to a depth of 50 nm, and a second peak in a region from the surface of a primary particle in a core portion of secondary particle to a depth of 50 nm.

Abstract: The present invention relates to a polishing slurry composition, and more specifically to a polishing slurry composition for polysilicon polishing, the composition comprising: colloidal silica abrasive particles; a quaternary ammonium cationic monomer; and an acidic material.

Abstract: A display device includes: a display panel including pixels having light-emitting elements; a timing control unit for variably changing the driving frame frequency of the display panel according to the input frame frequency of digital video data; and a data driving unit for outputting data voltages according to the digital video data, wherein the display panel operates at a first frame frequency for a first frame period and operates at a second frame frequency, which is lower than the first frame frequency, for a second frame period, the second frame period includes a data addressing period in which a data voltage corresponding to each of the pixels is applied to the pixels, and a blank period in which no data voltage is applied to each of the pixels, and the blank period includes a period of initializing a first electrode of a light-emitting element into an initialization voltage.

Abstract: The present invention relates to a composition for inhibiting proliferation of tumor comprising Sanguisorba officinalis extract as effective component. Specifically, as the Sanguisorba officinalis extract binds to PD-L1 present on the surface of cancer cells, the interaction between cancer cells and PD-1 on the surface of T cells is blocked to activate T cells, and thus an inhibitory effect on tumor proliferation is exhibited. Furthermore, when administered to an animal model induced with colorectal cancer, it is possible to obtain a decrease in tumor size and tumor weight and also the enhanced secretion of immune cells (CD8 T cells) and granzyme B in cancer tissues.

Abstract: A bimodal positive electrode material includes a large-particle diameter positive electrode active material and a small-particle diameter positive electrode active material, wherein the large-particle diameter positive electrode active material is a single particle composed of one nodule, and the small-particle diameter positive electrode active material is a pseudo-single particle which is an aggregate of 2 to 30 nodules.

Abstract: The present invention provides a positive electrode active material for a secondary battery, which includes a lithium transition metal oxide including nickel (Ni) and cobalt (Co), and at least one selected from the group consisting of aluminum (Al), manganese (Mn), and a combination thereof. The lithium transition metal oxide is characterized in that the content of nickel (Ni) in the total transition metal elements is 80 mol % or more, and the cation mixing ratio of Ni cations in a lithium layer in the lithium transition metal oxide structure is 1.1% or less.

Abstract: A fingerprint sensor includes: a thin film transistor disposed on a substrate; a first insulating layer disposed on the thin film transistor; a first sensing electrode disposed on the first insulating layer and connected to the thin film transistor; a second insulating layer disposed on the first sensing electrode and including an opening exposing the first sensing electrode; a sensing semiconductor layer disposed in the opening of the second insulating layer and on the first sensing electrode, and including an N-type semiconductor layer, an I-type semiconductor layer, and a P-type semiconductor layer; and a second sensing electrode disposed on the sensing semiconductor layer. An upper surface of the sensing semiconductor layer and an upper surface of the second insulating layer are coplanar.

Abstract: A lithium composite transition metal oxide includes nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide includes two or more kinds of first dopants selected from the group consisting of Zr, Al, V, Co, and Mg and two or more kinds of second dopants selected from the group consisting of Ti, Y, Sr, Nb, Ba, and Ca, and particles of the lithium composite transition metal oxide has a crystallite size of 170-300 nm.

Abstract: A positive electrode active material includes a lithium transition metal oxide, which contains 70 mol % or more of nickel (Ni) among total metals excluding lithium and is in a form of a secondary particle formed by aggregation of primary particles. The lithium transition metal oxide has a coating layer containing boron (B). An average aspect ratio of the primary particles present on a surface of the lithium transition metal oxide is in a range of 1.8 to 6.0. The method of preparing the positive electrode active material is also provided. Additionally, a positive electrode and a lithium secondary battery which include the positive electrode active material are provided.

Abstract: A positive electrode active material includes a lithium composite transition metal oxide. The positive electrode active material is a secondary particle in which primary particles are aggregated. The primary particle includes a coating portion containing an M1 metal, and the coating portion is locally present on surfaces of the primary particles or at inter-particle boundaries of the primary particles. A preparation method thereof, and a lithium secondary battery including the positive electrode active material are also provided.

Abstract: A positive electrode for a lithium secondary battery includes a first positive electrode active material layer on the current collector and_a second positive electrode active material layer on the first positive electrode active material layer. The second positive electrode active material layer includes bimodal positive electrode active materials including positive electrode active material secondary macroparticles and secondary microparticles having different average particle sizes to allow sufficiently high rolling pressure when manufacturing the electrode. The first positive electrode active material in the first positive electrode active material layer interposed between the current collector and the second positive electrode active material layer has the positive electrode active material particles less vulnerable to cracking.

Abstract: A method of manufacturing a liquid metal film using an imbibition phenomenon is provided. The method includes forming a microstructure on a polymer substrate, preparing a microstructured metal substrate by depositing a metal on the polymer substrate on which the microstructure is formed, and coating the microstructured metal substrate with a liquid metal.

Abstract: A positive electrode active material for a secondary battery is provided, which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein a particle of the lithium composite transition metal oxide includes a core portion and a resistance portion formed on a surface of the core portion, and is composed of a single particle, wherein the core portion has a layered crystal structure of space group R-3m, and the resistance portion has a cubic rock-salt structure of space group Fm-3m.

Abstract: A fingerprint sensor includes: a thin film transistor disposed on a substrate; a first insulating layer disposed on the thin film transistor; a first sensing electrode disposed on the first insulating layer and connected to the thin film transistor; a second insulating layer disposed on the first sensing electrode and including an opening exposing the first sensing electrode; a sensing semiconductor layer disposed in the opening of the second insulating layer and on the first sensing electrode, and including an N-type semiconductor layer, an I-type semiconductor layer, and a P-type semiconductor layer, and a second sensing electrode disposed on the sensing semiconductor layer. An upper surface of the sensing semiconductor layer and an upper surface of the second insulating layer are coplanar.

Abstract: A composition for inhibiting proliferation of tumor comprising Rubus coreanus extract as effective component. It was found that the Rubus coreanus extract binds to PD-L1 present on the surface of cancer cells, thus blocking the interaction between cancer cells and PD-1 on the surface of T cells to activate T cells and exhibit an inhibitory effect on tumor proliferation, and it was also found that the Rubus coreanus extract shows an excellent anti-tumor immune activity in humanized PD-1 animal model induced with MC38 colorectal cancer expressing human PD-L1 and also a synergistic effect when co-administered with anti-cancer agents.

Abstract: A positive electrode active material for a secondary battery is provided, which includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein a particle of the lithium composite transition metal oxide includes a core portion and a resistance portion formed on a surface of the core portion, and is composed of a single particle, wherein the core portion has a layered crystal structure of space group R-3m, and the resistance portion has a cubic rock-salt structure of space group Fm-3m.