Abstract: A polarizing plate and an optical display apparatus are disclosed. A polarizing plate includes a polarizer and a stack of retardation layers on a surface of the polarizer, and the stack of retardation layers includes a second retardation layer and a first retardation layer stacked on the polarizer in sequence from the surface of the polarizer, the second retardation layer being a non-liquid crystal layer, and the stack of retardation layers has an out-of-plane retardation of ?40 nm or more to less than 0 nm at a wavelength of 550 nm and satisfies Relation 1.

Abstract: A circuit board according to an embodiment includes an insulating layer; a first metal layer passing through upper and lower surfaces of the insulating layer; and a second metal layer disposed on the first metal layer; wherein the first metal layer includes a concave upper surface and a lower surface, wherein the second metal layer includes a convex lower surface corresponding to the concave upper surface of the first metal layer, and wherein a first height between the convex lower surface of the second metal layer and the lower surface of the insulating layer is smaller than a second height between the upper surface of the insulating layer and the lower surface of the insulating layer.

Abstract: Provided is a lithium secondary battery including a first electrode, a second electrode spaced apart from the first electrode, a solid electrolyte disposed between the first electrode and the second electrode, wherein the solid electrolyte includes a fibril and a plurality of sulfide particles, the fibril includes polytetrafluoroethylene, the fibril surrounds at least some of the sulfide particles or is in contact with at least some of the sulfide particles.

Abstract: A semiconductor device and a method of manufacturing the semiconductor device. The semiconductor device including a stacked body including conductive patterns and insulating patterns that are alternately stacked, a filling layer configured to pass through the stacked body, a first channel layer configured to pass through the stacked body and coupled to the filling layer, a second channel layer configured to pass through the stacked body and coupled to the filling layer, a first interposed layer configured to pass through the stacked body and disposed between the first channel layer and the filling layer, a second interposed layer configured to pass through the stacked body and disposed between the second channel layer and the filling layer, and a memory layer surrounding the filling layer, the first and second channel layers, and the first and second interposed layers.

Abstract: A method and apparatus for video coding use implicit arbitrary block partitioning and prediction according to the implicit arbitrary block partitioning. The video coding method and the apparatus implicitly determine partitioned regions of a current block based on information on previously reconstructed neighboring reference regions. The video coding method and the apparatus generate predicted signals of the partitioned regions to improve video coding efficiency and to enhance video quality.

Abstract: A positive electrode material for a lithium secondary battery includes a first positive electrode active material and a second positive electrode active material, both of which are lithium composite transition metal oxides containing transition metals. The first positive electrode active material has a larger average particle size (D50) than the second positive electrode active material, wherein a ratio (Li/Me)1 of the mole number of lithium with respect to the total mole number of transition metals of the first positive electrode active material is more than 1 to 1.5 or less, and a ratio (Li/Me)2 of the mole number of lithium (Li) with respect to the total mole number of transition metals of the second positive electrode active material is 0.9 to 1. The second positive electrode active material has a crystallite size of 180 nm or more.

Abstract: The present invention relates to a fire-extinguishing microcapsule, a method for manufacturing same, and a fire-extinguishing composition comprising same. The microcapsule includes a core containing a non-inflammable material; a first shell layer covering the core and containing inorganic nanoparticles and a water-soluble polymer; and a second shell layer covering the first shell layer and containing a polymer.

Abstract: A bispecific molecule according to an embodiment includes a B7-H3 antibody or an antigen-binding fragment thereof, and a transforming growth factor beta (TGF?) binding portion bound thereto. The bispecific molecule is bispecifically bound to B7-H3 and TGF? and thus can be utilized as an immune checkpoint inhibitor for various diseases including cancer.

Abstract: A separator for an electrode assembly of a battery includes a non-woven fabric base formed by mixing a first fiber with an average diameter of approximately 10 ?m or more and a second fiber with an average diameter of approximately 1 ?m or less; and inorganic particles positioned in pores formed between the first and second fibers of the non-woven fabric base. The first fiber has a melting point of about 150° C. or less, and the inorganic particles have D50 of about 400 nm or less.

Abstract: A novel compound for a capping layer, and an organic light emitting device containing the same are disclosed.

Abstract: A lithium secondary battery includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material and a nonaqueous electrolyte solution, wherein the positive electrode active material has a lithium composite transition metal oxide having a nickel content of 60 mol % or more in a total transition metal in a form of secondary particles formed by agglomeration of primary particles; and a boron containing coating layer on a surface of all or some of the primary particles, the nonaqueous electrolyte solution comprises a boron dissolved in the nonaqueous electrolyte solution, and a ratio B/A of a boron content (B) in the nonaqueous electrolyte solution to a boron content (A) in the positive electrode active material is 0.001 to 5. The lithium secondary battery according to the present disclosure has improved life characteristics.

Abstract: A cooling system includes a refrigerant circulator which circulates a refrigerant, wherein the refrigerant circulator includes a first compressor configured to pressurize the refrigerant in gaseous state; a first cooler configured to cool the refrigerant pressurized by the first compressor; a first gas-liquid separator configured to separate the refrigerant cooled by the first cooler into a first refrigerant flow of a gas component and a second refrigerant flow of a liquid component; a second compressor configured to pressurize the first refrigerant flow; a second cooler configured to cool the first refrigerant flow pressurized by the second compressor; a second gas-liquid separator configured to separate the refrigerant cooled by the second cooler into a third refrigerant flow of a gas component and a fourth refrigerant flow of a liquid component; a first expansion member configured to decompress the fourth refrigerant flow.

Abstract: There are provided a memory device and a manufacturing method of the memory device. The memory device includes: a peripheral circuit disposed on a substrate; and a gate stack structure overlapping with the peripheral circuit. The gate stack structure includes a plurality of first cell plugs having substantially a cylindrical structure and a plurality of second cell plugs having substantially a hexagonal prism structure.

Abstract: A novel compound for a light emitting device, and an organic light emitting device containing the same are disclosed.

Abstract: A novel compound for a light emitting device, and an organic light emitting device containing the same are disclosed.

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), and at least one particle growth-promoting element selected from the group consisting of strontium (Sr), zirconium (Zr), magnesium (Mg), yttrium (Y), and aluminum (Al). The lithium composite transition metal oxide includes the nickel (Ni) in an amount of 65 mol % or more and the manganese (Mn) in an amount of 5 mol % or more based on a total amount of transition metals, and the positive active material has a single particle.

Abstract: An overhead hoist transport (OHT) device is provided.

Abstract: The present disclosure relates to a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device including the same, and a composition for an organic material layer.

Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.

Abstract: The present disclosure relates to an organic compound including at least one fused hetero aromatic moiety with at least one nitrogen atom linked to a triazine moiety directly or through a linking group and a benzothiazole moiety linked to the triazine moiety, and substituted with at least one of deuterium and a deuterium-substituted group, an organic light emitting diode and an organic light emitting device having the organic compound. The organic light emitting diode and the organic light emitting device where an emissive layer includes the organic compound have beneficial luminous efficiency and luminous lifespan.