Abstract: Provided is a compound of Chemical Formula 1: wherein: among X1 to X4, one of X1 and X2, X2 and X3, or X3 and X4 are linked with * in the following Chemical Formula 2, and of the remaining two, one is hydrogen, and the other is R3: R1 and R2 are each independently hydrogen, deuterium, halogen, cyano, amino, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkoxy, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C2-60 alkenyl, a substituted or unsubstituted C6-60 aryl, a substituted or unsubstituted C6-60 aryloxy, or a substituted or unsubstituted C2-60 heterocyclic group containing one or more heteroatoms selected from the group consisting of N, O and S; one of R3 is hydrogen, and the other is —Si(R4)(R5)(R6), R4 to R6 are each independently hydrogen, deuterium, cyano, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubst

Abstract: The present invention relates to a novel bacteriophage that lyses Acinetobacter genus bacteria, in particular, Acinetobacter genus bacteria having resistance to antibiotics. The bacteriophage of the present invention can be used in various fields, such as antibiotic composition, feed additive composition, feed, disinfectant, cleaning agent, and a composition for prevention or treatment of an infectious disease caused by Acinetobacter genus bacteria.

Abstract: A method for detecting failure of a battery cell due to an unknown discharge current, including connecting a detector in series between the battery cell and a power supply for supplying a charging power, determining whether the charging of the battery cell progresses by the charging power in excess of a predetermined battery cell specific charging reference time, measuring a current value of the battery cell in real time if the charging of the battery cell progresses in excess of the battery cell specific charging reference time, determining whether the current value of the battery cell measured in real time exceeds a predetermined battery cell specific failure determination reference current range value, and determining a state of the battery cell as a failure state if the current value of the battery cell exceeds the predetermined battery cell specific failure determination reference current range value.

Abstract: An image sensor may include a substrate including first and second surfaces opposite each other, a plurality of photoelectric conversion devices isolated from direct contact with each other within the substrate, a first trench configured to extend into an interior of the substrate from the first surface of the substrate and between adjacent photoelectric conversion devices of the plurality of photoelectric conversion devices, a first supporter within the first trench, and a first isolation layer at least partially covering both sidewalls of the first supporter within the first trench, wherein a lower surface of the first supporter is coplanar with the first surface of the substrate.

Abstract: An apparatus for inspecting the welding for a secondary battery includes: a measuring unit measuring a power value (P) supplied to the welding apparatus and a taken time (S) when the electrode tab and the electrode lead are welded to each other to obtain measured welding data (Data); an instrument unit obtaining a waveform representing a relationship between the power value (P) and the taken time (S) by using the measured welding data obtained by the measuring unit to display the waveform on a graph; and an inspection unit comparing the measured welding waveform displayed on the graph with a normal welding waveform to inspect whether the defective welding occur in real-time.

Abstract: Provided is a wireless power transmitting unit capable of auto-tuning according to impedance change. The wireless power transmitting unit according to an embodiment can stabilize the operation of the amplifier by changing the resonance frequency of the resonator without measuring the phase information about the resonator.

Abstract: A semiconductor image sensor includes a substrate and an isolation insulating pattern having a trench therein, on the substrate. A lower transparent electrode is provided within the trench. This lower transparent electrode includes a first layer and a different second layer on the first layer. An organic photoelectric layer is provided on the lower transparent electrode, and an upper transparent electrode is provided on the organic photoelectric layer. The first layer may contact a bottom and a side surface of the trench, and may have a seam therein, which is at least partially filled by a portion of the second layer. The first layer may have a higher light transmission efficiency relative to the second layer and a lower electrical resistance relative to the second layer.

Abstract: A non-volatile memory device may include a first semiconductor layer including a peripheral region, the peripheral region including one or more peripheral transistors on a lower substrate. The non-volatile memory device may further include a second semiconductor layer on the peripheral region, the second semiconductor layer including an upper substrate, the second semiconductor layer further including a memory cell array on the upper substrate. The upper substrate may include a first upper substrate on the first semiconductor layer, a first layer on the first upper substrate, and a second upper substrate on the first layer.

Abstract: Image sensors with improved performance and a higher degree of integration are provided. The image sensors include a substrate including a first surface and a second surface opposite to each other, a first organic photoelectric conversion layer on the first surface of the substrate, a first penetration via connected to the first organic photoelectric conversion layer and extending through the substrate, a first floating diffusion region in the substrate adjacent to the second surface of the substrate, and a first transistor structure on the second surface of the substrate, wherein the first transistor structure includes a semiconductor layer configured to connect the first penetration via and the first floating diffusion region, a gate electrode on the semiconductor layer, and a gate dielectric film between the semiconductor layer and the gate electrode.

Abstract: A device-to-device (D2D) communication method is provided. According to an inventive concept, the method comprises, storing, by a first device, first authentication data including a hash chain, which is a sequential concatenation of hash values, and storing, by a second device, second authentication data including an initial hash value of the hash chain, transmitting, by the first device, a final hash value of the hash chain to the second device, determining, by the second device, whether authentication between the first and second devices has succeeded by repeatedly hashing the initial hash value stored in the second device until a hash value identical to the final hash value is returned, and if a determination is made that authentication between the first and second devices has succeeded, performing, by the first and second devices, a connection establishment process for establishing a connection between the first and second devices.

Abstract: The present invention provides an organic light emitting device comprising at least one light emitting layer which comprises a first host compound and a second host compound, and the organic light emitting device has improved driving voltage, efficiency and lifetime.

Abstract: Provided is a compound of Chemical Formula 1: wherein: among X1 to X4, one of X1 and X2, X2 and X3, or X3 and X4 are linked with * in the following Chemical Formula 2, and of the remaining two, one is hydrogen, and the other is R3: R1 and R2 are each independently hydrogen, deuterium, halogen, cyano, amino, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkoxy, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C2-60 alkenyl, a substituted or unsubstituted C6-60 aryl, a substituted or unsubstituted C6-60 aryloxy, or a substituted or unsubstituted C2-60 heterocyclic group containing one or more heteroatoms selected from the group consisting of N, O and S; one of R3 is hydrogen, and the other is —Si(R4)(R5)(R6), R4 to R6 are each independently hydrogen, deuterium, cyano, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubst

Abstract: Disclosed is a composition for a heat dissipation pad, for example, a heat dissipation sheet in a cooling system for a water-cooling-type battery pack in a vehicle, for example, an electric vehicle. The heat dissipation pad may dissipate heat generated from the battery pack. Further disclosed is a method of manufacturing a heat dissipation pad having high thermal conductivity and low specific gravity. The composition may include the polymer composition including a carbon fiber, aluminum hydroxide and hollow glass beads.

Abstract: Provided are a polyhedron of which the upper width is narrower than the lower width, a manufacturing method therefor, and a photoelectric conversion device comprising the same. The photoelectric conversion device comprises: a substrate; a polyhedron disposed on the substrate and of which the upper width is narrower than the lower width; and a semiconductor layer disposed on the polyhedron. The photoelectric conversion device to which the polyhedron, of which the upper width is narrower than the lower width, is applied can have improved photoelectric conversion efficiency due to structural characteristics of the polyhedron.

Abstract: Provided is a wireless power transmitting unit capable of auto-tuning according to impedance change. The wireless power transmitting unit according to an embodiment can stabilize the operation of the amplifier by changing the resonance frequency of the resonator without measuring the phase information about the resonator.

Abstract: Provided are an apparatus and method for monitoring a wireless power transmitter. The apparatus for monitoring the wireless power transmitter includes a magnitude information detector included in a resonator of the wireless power transmitter and configured to detect magnitude information of voltages at opposite ends of an impedance device connected to the resonator, a phase difference detector configured to detect phase difference information of the voltages at the opposite ends of the impedance device, and a controller configured to monitor a state of the resonator on the basis of the magnitude information of the voltages at the opposite ends of the impedance device and the phase difference information, which are detected by the magnitude information detector and the phase difference detector.

Abstract: Provided is a portable urine analysis device including: a main housing including: a tray including a tray driving unit in which a strip is loaded to introduce and withdraw the strip, wherein the strip that is completely analyzed is dropped via the tray, and a urine analysis module analyzing urine of the strip to generate urine analysis information; a sub-housing coupled under the main housing and including an accommodation box which is slidable while the accommodation box has a space that temporarily stores the dropped strip; and a support supporting the sub-housing. According to the portable urine analysis device, urine is analyzed by using the strip as a medium, portability is reinforced with a compact and slim structure, and a completely analyzed strip is disposed of hygienically.

Abstract: A method of managing a token and a server for performing the same are provided. According to the embodiments of the present disclosure, it is possible to easily authenticate a counterpart device using a one-time key HN(T) for a D2D communication between a first device and a second device, without using a separate secure channel (e.g., secure sockets layer (SSL), transport layer security (TLS), or the like) in an environment where it is difficult to synchronize the first device with the second device without intervention of a server.

Abstract: Image sensors with improved performance and a higher degree of integration are provided. The image sensors include a substrate including a first surface and a second surface opposite to each other, a first organic photoelectric conversion layer on the first surface of the substrate, a first penetration via connected to the first organic photoelectric conversion layer and extending through the substrate, a first floating diffusion region in the substrate adjacent to the second surface of the substrate, and a first transistor structure on the second surface of the substrate, wherein the first transistor structure includes a semiconductor layer configured to connect the first penetration via and the first floating diffusion region, a gate electrode on the semiconductor layer, and a gate dielectric film between the semiconductor layer and the gate electrode.

Abstract: The present invention relates to an inhalation toxicity testing chamber device for nanoparticles having a plurality of concentrations. The present invention provides an inhalation toxicity testing chamber device for nanoparticles having a plurality of concentrations, which: can supply nanoparticles having different concentrations to particle exposure modules by stacking a plurality of particle exposure modules inside a single chamber housing and by allowing each particle exposure module so as to form an independent space from each other; can perform inhalation toxicity testing of nanoparticles having a plurality of concentrations through a single chamber housing by being capable of exposing the test animals put into each particle exposure module to nanoparticles having different concentrations; can easily perform inhalation toxicity tests of nanoparticles in a small scale laboratory etc.