Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a—N—(X2)3-a??[Formula 1] In Formula 1, a, X1, and X2 are the same as defined in the disclosure.

Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a—Sn—(X2)4-a,??[Formula 1] In Formula 1, a, X1, and X2 are the same as defined in the disclosure.

Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a-M1-([Y-M2-(X2)n-1])m-a??[Formula 1] In Formula 1, a, m, n, M1, M2, X1, X2 and Y are the same as defined in the disclosure.

Abstract: The present invention provides a catalyst composition exhibiting, by including a lanthanide rare earth element-containing compound; modified methylaluminoxane; a halogen compound; and an aliphatic hydrocarbon-based solvent, excellent catalytic activity even with a small main catalyst amount, capable of preparing a conjugated diene-based polymer having excellent catalytic activity and thereby having high cis-1,4-bond content ratio, high linearity, and narrow molecular weight distribution, and capable of reducing polymerization reaction time, and a method for preparing the same.

Abstract: The present invention provides 1,4-cis polybutadiene having high linearity with an ?S/R value of 1 or greater at 100° C., and accordingly, is capable of reducing resistance properties, particularly rolling resistance, and greatly enhancing fuel efficiency properties when used in a rubber composition.

Abstract: The present invention provides a modified butadiene-based polymer capable of enhancing dispersability of an inorganic filler when used in a rubber composition, and enhancing viscoelasticity, a tensile property and processibility of the rubber composition in a balanced way from an interaction with the inorganic filler, and a modifier useful for preparing the same.

Abstract: An electronic device module, includes a substrate including a grounding electrode disposed on a surface of the substrate, an insulating portion encapsulating a portion of the surface of the substrate, an electronic component disposed on the surface of the substrate, wherein the electronic component is at least partially encapsulated by the insulating portion, and a sealing portion, having electrical conductivity, disposed on the substrate and the insulating portion. The sealing portion is electrically connected to the grounding electrode.

Abstract: The present invention relates to novel arylpiperazine-containing pyrrole 3-carboxamide derivatives of formula (I) or a pharmaceutically acceptable salt thereof which is useful for preventing or treating depressive disorders. The present invention also provides a method for preparing the arylpiperazine-containing pyrrole 3-carboxamide derivatives or the pharmaceutically acceptable salt thereof, a pharmaceutical composition containing same, and a method for preventing or treating depressive disorders.

Abstract: A novel arylpiperazine-containing imidazole 4-carboxamide derivative or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same as an active ingredient for preventing or treating a depressive disorder are provided.

Abstract: A novel arylpiperazine-containing purine derivatives and a pharmaceutical composition comprising the same as an active ingredient, which are useful for preventing or treating depressive disorders, are provided.

Abstract: A high-efficiency semiconductor light emitting diode and a method for manufacturing the same are provided. The semiconductor LED has high internal quantum efficiency and can reduce the bad effect caused by the crystal defect. In the semiconductor light emitting diode, a conductive substrate has a three-dimensional top surface, and a light-emitting stack structure has a three-dimensional structure and includes an n-type nitride semiconductor layer, an active layer, and a p-type nitride semiconductor layer, which are sequentially formed on the conductive substrate. A p-electrode is formed on the p-type nitride semiconductor layer, and an n-electrode is formed on a bottom surface of the conductive substrate.

Abstract: The present invention relates to a novel compound with thiazole ring having an inhibitory activity against sodium-dependent glucose cotransporter 2 (SGLT2) being present in the intestine and kidney, and a pharmaceutical composition comprising the same as an active ingredient, which is useful for preventing or treating metabolic disorders, particularly diabetes.

Abstract: A novel C-aryl glucoside compound, or a pharmaceutically acceptable salt or a prodrug thereof having an inhibitory activity against sodium-dependent glucose cotransporter 2 (SGLT2) being present in the intestine and kidney; and a pharmaceutical composition comprising the same as an active ingredient, which is useful for preventing or treating metabolic disorders, particularly, diabetes, are provided.

Abstract: The present invention relates to a novel compound with thiazole ring having an inhibitory activity against sodium-dependent glucose cotransporter 2 (SGLT2) being present in the intestine and kidney, and a pharmaceutical composition comprising the same as an active ingredient, which is useful for preventing or treating metabolic disorders, particularly diabetes.

Abstract: A novel arylpiperazine-containing purine derivatives and a pharmaceutical composition comprising the same as an active ingredient, which are useful for preventing or treating depressive disorders, are provided.

Abstract: A novel arylpiperazine-containing imidazole 4-carboxamide derivative or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same as an active ingredient for preventing or treating a depressive disorder are provided.

Abstract: A novel C-aryl glucoside compound, or a pharmaceutically acceptable salt or a prodrug thereof having an inhibitory activity against sodium-dependent glucose cotransporter 2 (SGLT2) being present in the intestine and kidney; and a pharmaceutical composition comprising the same as an active ingredient, which is useful for preventing or treating metabolic disorders, particularly, diabetes, are provided.

Abstract: The present invention relates to novel arylpiperazine-containing pyrrole 3-carboxamide derivatives of formula (I) or a pharmaceutically acceptable salt thereof which is useful for preventing or treating depressive disorders. The present invention also provides a method for preparing the arylpiperazine-containing pyrrole 3-carboxamide derivatives or the pharmaceutically acceptable salt thereof, a pharmaceutical composition containing same, and a method for preventing or treating depressive disorders.

Abstract: A heteroaryl-pyrazole compound of formula (I) or a pharmaceutically acceptable salt thereof is effective as a cannabinoid CB1 receptor inverse agonist or antagonist, which is useful for preventing or treating obesity and obesity-related metabolic disorders. The present invention also provides a method for preparing the inventive heteroaryl-pyrasole compounds or a pharmaceutically acceptable salt thereof, a pharmaceutical composition containing same, and a method for preventing or treating obesity and obesity-related metabolic disorders.

Abstract: A high-efficiency semiconductor light emitting diode and a method for manufacturing the same are provided. The semiconductor LED has high internal quantum efficiency and can reduce the bad effect caused by the crystal defect. In the semiconductor light emitting diode, a conductive substrate has a three-dimensional top surface, and a light-emitting stack structure has a three-dimensional structure and includes an n-type nitride semiconductor layer, an active layer, and a p-type nitride semiconductor layer, which are sequentially formed on the conductive substrate. A p-electrode is formed on the p-type nitride semiconductor layer, and an n-electrode is formed on a bottom surface of the conductive substrate.