Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.

Abstract: The present invention relates to a separator comprising a coating layer and a battery using the same, the separator having improved adhesive force to an electrode, thereby minimizing the rate of thickness change. More specifically, the present invention relates to a separator having a coating layer on one or both surfaces of a base film, the coating layer comprising an acrylic-based copolymer having a glass transition temperature of less than or equal to 80° C. and an inorganic particle, so as to have improved adhesive force and heat resistance, thereby being applicable in electrochemical batteries of various sizes and having excellent thermal stability and dimensional stability.

Abstract: A heat resistant porous layer composition for a separator for an electrochemical battery includes a compound represented by Formula 1, a polyvinylidene fluoride (PVdF)-based polymer, the PVdF-based polymer including one or more of a PVdF-based homopolymer or a PVdF-hexafluoropropylene-based copolymer in which a unit originating from hexafluoropropylene is present in an amount of 15 wt % or less based on the total weight of the PVdF-hexafluoropropylene-based copolymer, the PVdF-hexafluoropropylene-based copolymer having a weight average molecular weight of 600,000 g/mol or more, an initiator; and a solvent, wherein Formula 1 is defined herein.

Abstract: A heat resistant porous layer composition for a separator of an electrochemical battery includes a compound represented by Formula 1, an initiator, and a solvent, wherein Formula 1 is defined herein.

Abstract: The present invention relates to a separator comprising a coating layer and a battery using the same, the separator having improved adhesive force to an electrode, thereby minimizing the rate of thickness change. More specifically, the present invention relates to a separator having a coating layer on one or both surfaces of a base film, the coating layer comprising an acrylic-based copolymer having a glass transition temperature of less than or equal to 80° C. and an inorganic particle, so as to have improved adhesive force and heat resistance, thereby being applicable in electrochemical batteries of various sizes and having excellent thermal stability and dimensional stability.

Abstract: A heat resistant porous layer composition for a separator for an electrochemical battery includes a compound represented by Formula 1, a polyvinylidene fluoride (PVdF)-based polymer, the PVdF-based polymer including one or more of a PVdF-based homopolymer or a PVdF-hexafluoropropylene-based copolymer in which a unit originating from hexafluoropropylene is present in an amount of 15 wt % or less based on the total weight of the PVdF-hexafluoropropylene-based copolymer, the PVdF-hexafluoropropylene-based copolymer having a weight average molecular weight of 600,000 g/mol or more, an initiator; and a solvent, wherein Formula 1 is defined herein.

Abstract: A heat resistant porous layer composition for a separator of an electrochemical battery includes a compound represented by Formula 1, an initiator, and a solvent, wherein Formula 1 is defined herein.