Abstract: The present disclosure provides an organic light emitting diode comprising a first electrode; a second electrode facing the first electrode; and an emitting material layer. The emitting material layer includes a p-type host, a n-type host and a phosphorescent dopant and positioned between the first electrode and the second electrode, wherein a first energy level of a HOMO of the p-type host is equal to or lower than a second energy level of a HOMO of the n-type host, and a difference between an energy level of a singlet state of the n-type host and an energy level of a triplet state of the n-type host is greater than 0.3 eV and smaller than 0.5 eV.

Abstract: A system and a method for reusing carbon dioxide are provided. The system includes: a process apparatus configured to discharge exhaust gas containing carbon dioxide therefrom; a purifying device configured to purify the exhaust gas, and thus produce reused carbon dioxide from the exhaust gas and store the produced reused carbon dioxide; a first supply tank configured to receive the reused carbon dioxide from the purifying device; a second supply tank configured to receive the reused carbon dioxide from the first supply tank and provide the reused carbon dioxide to the process apparatus; and a blocking device configured to, based on determining that a purity of the reused carbon dioxide provided from the purifying device to the first supply tank fails to satisfy a predefined reference, block flow of the reused carbon dioxide from the purifying device to the first supply tank.

Abstract: A vehicle control system may include a controller that detects an object outside a vehicle, calculates an angle based on a ratio of a relative speed between the object and the vehicle to a speed of the vehicle, and updates a phase curve reflecting a phase distortion of an input signal based on the calculated angle.

Abstract: Disclosed is a friction stir welding tool with an adjustable probe length and shoulder groove depth, wherein a support shaft, made of a material having low thermal conductivity so as to inhibit thermal conduction between a probe and a shank, is coupled to the center of an upper locking member together with the shank, the probe and inner and outer shoulders are coupled inside a lower part of the upper locking member, and a lower locking member is fastened and fixed to the lower part of the upper locking member, and a washer and a locking nut are fastened to an upper part of the lower locking member, whereby the locking nut pushes the lower locking member via the washer.

Abstract: Disclosed is an organic light-emitting diode and an organic light-emitting device including the organic light-emitting diode. The organic light-emitting diode includes a cathode electrode; an anode electrode; a first emitting material layer including a first host and a first delayed fluorescent material, which is between the cathode electrode and the anode electrode; and a second emitting material layer having a second delayed fluorescent material and a first fluorescent or phosphorescent material, between the cathode electrode and the anode electrode. The organic light-emitting diode has enhanced luminous efficiency and color continuity.

Abstract: Disclosed is a friction stir welding tool with an adjustable probe length and shoulder groove depth, wherein a support shaft, made of a material having low thermal conductivity so as to inhibit thermal conduction between a probe and a shank, is coupled to the center of an upper locking member together with the shank, the probe and inner and outer shoulders are coupled inside a lower part of the upper locking member, and a lower locking member is fastened and fixed to the lower part of the upper locking member, and a washer and a locking nut are fastened to an upper part of the lower locking member, whereby the locking nut pushes the lower locking member via the washer.

Abstract: A method of operating a heat exchanger involves conveying a first fluid having a first temperature along spaced apart first passages of the heat exchanger and conveying a second fluid along spaced apart second passages of the heat exchanger while the first fluid is being conveyed along the first passages to transfer heat from the second fluid to the first fluid. The method also includes conveying a fluid along the third passages when the temperature of the second fluid in at least some of the second passages is below a predetermined temperature to transfer heat from the fluid being conveyed along the third passages to the second fluid.

Abstract: A multilayer electronic component according to an embodiment of the present disclosure includes: an electronic component body including a body having a dielectric layer and an internal electrode, and an external electrode disposed on the body; and a coating layer disposed on an external surface of the electronic component body, including one or more of silicon (Si) and fluorine (F), and having an average thickness of 5 nm or more and 15 nm or less.

Abstract: The present invention relates to novel Weissella hellenica WiKim0103 isolated from Kimchi and a composition comprising the same or its use. The present invention provides a method for prevention, improvement and treatment of inflammation, obesity or fatty liver disease of a subject by administering the novel Weissella hellenica WiKim0103 isolated from Kimchi or a composition comprising thereof. The Weissella hellenica WiKim0103 according to the present invention shows an inhibitory effect for fatty liver production by inhibiting fat accumulation in liver cells and reducing expression of fatty liver-related genes, and thus it may be variously utilized for uses in prevention, improvement and treatment of inflammation, obesity or fatty liver disease.

Abstract: The present disclosure relates to novel Lactobacillus sakei WIKIM0109 isolated from kimchi and a composition containing the same. The Lactobacillus sakei WIKIM0109 according to the present disclosure is a lactic acid bacterium having an activity of inhibiting IgG and IgG2a production in blood and an activity of inhibiting IFN-?, IL-17 and TNF-? production, and can be used in various applications, such as for preventing and ameliorating arthritis or improving intestinal regulation in human or animals.

Abstract: The present disclosure relates to a composition for preventing, alleviating or treating a neurodegenerative disease, which contains Pediococcus inopinatus as an active ingredient. The Pediococcus inopinatus strain according to the present disclosure can suppress neuroinflammation and can also alleviate the symptoms of ataxia in an animal model of Parkinson's disease and, thus, can be utilized for the prevention, alleviation and treatment of various neurodegenerative diseases including Parkinson's disease.

Abstract: The present disclosure relates to a composition for preventing, alleviating or treating depression or anxiety disorder, which contains Lactobacillus sakei as an active ingredient. The Lactobacillus sakei strain according to the present disclosure can be used to prevent, alleviate or treat a mental disorder such as depression or anxiety disorder.

Abstract: The present invention relates to a novel Lactobacillus fermentum WiKim0102 (Accession No. KCCM12356P) isolated from kimchi and a composition comprising the same as an active ingredient. Lactobacillus fermentum WiKim0102 according to the present invention shows excellent anti-cancer activity in conventional animal models and animal models in which a human cancer cell is transplanted, and therefore it can be usefully used as a composition in use of treatment, prevention or improvement of cancer of humans or animals.

Abstract: An artificial intelligence (AI) system which utilizes machine learning algorithm such as deep learning and application is provided. The artificial intelligence (AI) system includes a controlling method of an electronic device for determining a chatbot using an artificial intelligence learning model includes receiving a voice uttered by a user, processing the voice and acquiring text information corresponding to the voice, and displaying the text information on a chat screen, determining a chatbot for providing a response message regarding the voice by inputting the acquired text information and chat history information regarding the chat screen to a model which is trained to determine the chatbot by inputting text information and chat history information, transmitting the acquired text information and the chat history information regarding the chat screen to a server for providing the determined chatbot, and receiving a response message from the server and displaying the response message on the chat screen.

Abstract: An electrocardiogram (ECG) measurement device for a vehicle is provided. The ECG measurement device includes an impedance compensator that corresponds to an electrode in contact with a body of a driver and configured to compensate an impedance of each of electrode signals received from the electrode. An electrode selector sequentially selects the electrode signals in response to receiving the electrode signals from the electrode. A differential amplifier differentially amplifies the electrode signals. In particular, each electrode signal has the compensated impedance. Additionally, a signal quality evaluator evaluates quality of an ECG signal output from the differential amplifier and a compensation controller then adjusts an impedance compensation value of each of the impedance compensators as a result of evaluating the quality of the ECG signal.

Abstract: The present invention relates to a novel Lactobacillus sakei WIKIM30 (Accession No. KCCM11878P) isolated from kimchi and a composition comprising the same as an active ingredient. Lactobacillus sakei WIKIM30 according to the present invention shows excellent anti-cancer activity in animal models in which a cancer cell is transplanted and cancer cell lines, and therefore it can be usefully used as a composition in use of treatment, prevention or improvement of cancer of humans or animals.

Abstract: The present invention relates to novel Leuconostoc citreum WiKim0104 isolated from Kimchi and a composition comprising the same or its use. The present invention provides a method for prevention, improvement and treatment of inflammation, obesity or fatty liver disease of a subject by administering the novel Leuconostoc citreum WiKim0104 isolated from Kimchi or a composition comprising thereof. The Leuconostoc citreum WiKim0104 according to the present invention shows an inhibitory effect for fatty liver production by inhibiting fat accumulation in liver cells and reducing expression of fatty liver-related genes, and thus it may be variously utilized for uses in prevention, improvement and treatment of inflammation, obesity or fatty liver disease.

Abstract: A pressure sensor includes a sensor element, an inner frame configured to receive at least a portion of the sensor element, and a housing configured to receive the inner frame therein. The inner frame is formed of a metal material and includes a printed circuit board assembly to be electrically connected to the sensor element. The housing is formed of a resin material.

Abstract: The present invention relates to a novel Weissella cibaria WIKIM28 (Accession No. KCCM11879P) isolated from kimchi and a composition comprising the same as an active ingredient. Weissella cibaria WIKIM28 according to the present invention shows excellent anti-cancer activity in animal models in which a cancer cell is transplanted, and therefore it can be usefully used as a composition in use of treatment, prevention or improvement of cancer of humans or animals.

Abstract: Disclosed is a circuit pattern continuous manufacturing device capable of quickly manufacturing a circuit pattern having a sufficient thickness. The circuit pattern continuous manufacturing device may include: an unwinder configured to unwind a transfer film to be horizontally unfolded; a rotary drum-type continuous electroforming part configured to form a circuit pattern having a first metal layer on the surface of a rotating cathode drum through electroforming; a continuous transfer part configured to transfer the circuit pattern, formed on the surface of the cathode drum of the rotary drum-type continuous electroforming part, onto the transfer film; a first horizontal plating path configured to additionally plate the circuit pattern, transferred onto the transfer film, with a second metal layer made of the same metal as the rotary drum-type continuous electroforming part; and a rewinder configured to rewind the transfer film.