Abstract: The present invention relates to: a pyrene derivative compound having a specific structure; and a high efficiency organic light-emitting device employing the pyrene derivative compound in a light emitting layer and thus having excellent light-emitting characteristics. The organic light-emitting device according to the present invention can be configured as a high efficiency organic light-emitting device having excellent light-emitting characteristics by employing the pyrene derivative compound having the specific structure as a host in the light emitting layer, and thus can be usefully applied industrially in lighting devices, as well as various display devices such as flat, flexible, and wearable displays.

Abstract: An organic light-emitting device according to the present invention uses a pyrene derivative compound having a characteristic structure as a host in a light-emitting layer to realize a long-lifespan and high-efficiency organic light-emitting device having excellent light-emitting characteristics in terms of lifespan and luminescence efficiency. Accordingly, the organic light-emitting device can be usefully applied, in the industrial aspect, for various display devices such as flat panel, flexible, and wearable displays, as well as lighting devices.

Abstract: One aspect of the present disclosure is a pharmaceutical composition which includes (R)—N-[1-(3,5-difluoro-4-methansulfonylamino-phenyl)-ethyl]-3-(2-propyl-6-trifluoromethyl-pyridin-3-yl)-acrylamide as a first component and a cellulosic polymer as a second component, wherein the composition of one aspect of the present disclosure has a formulation characteristic in which crystal formation is delayed for a long time.

Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.

Abstract: Disclosed herein relates to an electrode for a lithium secondary battery and a manufacturing method thereof, and since the electrode for a lithium secondary battery is provided with an auxiliary coating layer containing inorganic particles, a phenolic compound, and a binder at the end of an electrode mixture layer containing an electrode active material, thereby improving energy density of the battery due to an improvement in thickness deviation at the end of the electrode mixture layer, and preventing lithium from being precipitated at the end of the electrode, especially the negative electrode, due to increase in the adhesive strength of the separator at the end of the electrode, it has an advantage of excellent safety.

Abstract: Provided is a system for pre-treating malodorous substances in a flushing pollution control facility, in which air polluted in a stage before the flushing pollution control facility is oxidized to decompose a gaseous pollution substance in the air, and then the gaseous pollution substance in absorbing liquid is oxidized, such that the malodor gathering capability of the absorbing liquid is improved, thereby enhancing the malodor removing efficiency of the flushing pollution control facility.