Abstract: Organic compounds represented by Formulas 1 and 2 are disclosed: Also disclosed is an organic light emitting device including a light emitting layer employing the organic compounds as host materials. The use of the organic compounds enables low voltage driving of the organic light emitting device and ensures significantly long lifetime and improved luminous efficiency of the device.

Abstract: A circuit board includes a first glass layer, a first wiring layer embedded in an upper portion of the first glass layer, and a second wiring layer embedded in a lower portion of the first glass layer. At least one of the first and second wiring layers includes a plurality of embedded patterns having different thicknesses.

Abstract: Disclosed herein is a video decoding method including determining a zero-out width threshold and a zero-out height threshold for distinguishing between a transform coefficient coding region and a zero-out region of a current block according to a size of the current block, determining the transform coefficient coding region and the zero-out region of the current block according to the zero-out width threshold and the zero-out height threshold, acquiring transform coefficient information of the transform coefficient coding region from a bitstream and determining a level of a transform coefficient of the transform coefficient coding region according to the transform coefficient information, determining a level of a transform coefficient of the zero-out region as 0 without acquiring transform coefficient information, and reconstructing the current block by inversely transforming the transform coefficient of the current block.

Abstract: A method of operating an image device operated by at least one processor is provided. The method of operating an image device comprises generating beamformed RF-mode images including phase shift information for each incident angle by using multi-angle ultrasound-echo data, generating phase shift maps representing a displacement of speckle pattern between adjacent beamformed RF-mode images, and obtaining a speed-of-sound distribution image corresponding to the phase shift maps by using a deep neural network which is trained to reconstruct speed-of-sound distribution of a tissue from training phase shift maps.

Abstract: A gate driver including a plurality of stages, each of the plurality of stages including an eighth transistor connected between a third power input terminal and an output terminal, the eighth transistor including a gate electrode connected to a fourth node, a seventh transistor connected between a second power input terminal and the output terminal, the seventh transistor including a gate electrode connected to a third node, an eleventh transistor connected between the third power input terminal and the fourth node, the eleventh transistor including a gate electrode connected to a first node, a twelfth transistor connected between the first node and the third node, the twelfth transistor including a gate electrode connected to the second power input terminal, and a third capacitor connected between the third power input terminal and the fourth node.

Abstract: A display device comprises: a pixel-circuit layer comprising a pixel circuit and an auxiliary pixel circuit on a base layer; and a light-emitting-element layer comprising a light emitting element electrically connected to the pixel circuit. The pixel-circuit layer comprises a line part and an electrode part electrically connected to the line part. The light-emitting-element layer comprises an organic layer comprising a first region and a second region. In a plan view, the first region and the second region are spaced apart from each other with the electrode part interposed therebetween. The line part is electrically connected to the auxiliary pixel circuit.

Abstract: An IoT device according to an embodiment encrypts IoT data using a peripheral device and transmits the IoT data to a server, and a user device requests and obtains necessary IoT data from the server, thereby achieving real-time IoT data sharing. The IoT device performs only relatively low-performance operation of attribute-based encryption to encrypt IoT data collected through a sensor and outsources the remaining high-performance operations of attribute-based encryption to the peripheral device providing external communication network connection to the IoT device to generate a final ciphertext. A user device generates an attribute bloom filter using an access policy thereof, requests and obtains IoT data encrypted according to attribute-based encryption. A cloud server receives and stores IoT data encrypted by the IoT device and the peripheral device according to attribute-based encryption and transmits IoT data retrieved using the attribute bloom filter as a query to the user device.

Abstract: A battery pack includes a pack case in which a cell stack assembly is mounted; and a supplementary partition wall coupled to the pack case to compartmentalize a space inside the pack case; wherein the pack case includes: a base plate supporting a lower part of the mounted cell stack assembly; and a side wall of hollow structure coupled to the base plate to support a side part of the cell stack assembly, and including a gas venting path internally; and wherein the supplementary partition wall is coupled to the base plate and side wall of the pack case, and includes a gas flow path internally in connection with the gas venting path of the side wall.

Abstract: A method includes: forming a MOSFET layer on a semiconductor wafer substrate, the MOSFET layer including: pixel driver circuits; and a display driver circuit; forming at least one line layer on the MOSFET layer; applying a first supply voltage to a first supply voltage line through a first supply voltage pad; connecting data fan-out lines connected to the pixel driver circuits with a first test line by controlling a test switching circuit in the MOSFET layer; measuring an electrical signal generated from each of the pixel driver circuits through a first test pad connected to the first test line; determining whether each of the pixel driver circuits is defective or not based on the measured electrical signal; and forming a light-emitting element layer including light-emitting elements on the at least one line layer when that the pixel driver circuits are determined to be not defective.

Abstract: A multilayer electronic component includes a body including a capacitance forming portion including a dielectric layer and an internal electrode alternately disposed in a first direction, and cover portions disposed on both end surfaces of the capacitance forming portion in the first direction, respectively, and including a first surface and a second surface opposing each other in the first direction, a third surface and a fourth surface opposing each other in a second direction, and a fifth surface and a sixth surface opposing each other in a third direction; external electrodes disposed on the third and fourth surfaces of the body, respectively; and side margin portions disposed on the fifth and sixth surfaces of the body, respectively. At least one of the capacitance forming portion, the cover portion, or the side margin portions includes a secondary phase including gallium (Ga).

Abstract: A circuit board includes a first glass layer, a first wiring layer and a second wiring layer embedded in upper and lower portions of the first glass layer, respectively, a first via layer penetrating through the first glass layer and connected to the first and second wiring layers, a second glass layer disposed on an upper surface of the first glass layer, a third wiring layer embedded in an upper portion of the second glass layer, and a second via layer penetrating through the second glass layer and connected to the first and third wiring layers.

Abstract: A water management system for a hydrogen engine is capable of reducing a capacity of a water tank for storing cooling water injected into the hydrogen engine and is capable of not requiring separate replenishment of water for the water tank. The water management system includes: a water tank module, which stores water for cooling the hydrogen engine; a water pump provided at the water tank module and configured to supply the water stored in the water tank module to the hydrogen engine; and an exhaust line provided between the hydrogen engine and the water tank module and configured to supply an exhaust gas, which contains water vapor discharged from the hydrogen engine, to the water tank module.

Abstract: The present invention relates to a polyamic acid composition for packaging electronic components and a method for packaging electronic components using the same, wherein the polyamic acid composition comprises a dianhydride main component having a benzophenone structure as a dianhydride-based monomer in a high proportion and a diamine component having a benzene ring as a diamine-based monomer, whereby it is possible to improve a coefficient of thermal expansion, a glass transition temperature, an elongation, and the like of a polyimide thin film formed therefrom, and when the polyimide thin film is used as a packaging material for an inorganic material such as a silicon water, it exhibits excellent adhesion to the inorganic material and can be easily removed upon O2 plasma removal, as well as has a remarkably low residual ratio of organic residues on the surface of the inorganic material after the removal, so that it can be easily used as a packaging material for electronic components and the like.

Abstract: The present invention relates to a method of providing diagnosis assistance information by analyzing a medical image, the method including obtaining an image of the brain, labeling a feature value representing a region of the brain, determining a reference boundary in the image of the brain, calculating a first disease index and a second disease index, and providing diagnosis assistance information on the basis of the first and second disease indexes.

Abstract: A light emitting device including a first LED sub-unit having a thickness in a first direction, a second LED sub-unit disposed on a portion of the first LED sub-unit in the first direction, each of the first and second LED sub-units comprising a first-type semiconductor layer, a second-type semiconductor layer, and an active layer, a reflective electrode disposed adjacent to the first LED sub-unit and electrically connected to the first-type semiconductor layer of the first LED sub-unit, and a first ohmic electrode forming ohmic contact with the second-type semiconductor layer of the first LED sub-unit, in which the active layer of the first LED sub-unit is configured to generate light, includes AlxGa(1-x-y)InyP (0?x?1, 0?y?1), and overlaps the active layer of the second LED sub-unit in the first direction, and the active layer of the second LED sub-unit includes the same material as the active layer of the first LED sub-unit.

Abstract: A method and apparatus for encoding/decoding audio signal are provided. The encoding method includes transforming an input audio signal in a time domain into an audio signal in a frequency domain, quantizing energy of a frequency band of the audio signal in the frequency domain, generating a normal signal by normalizing the audio signal in the frequency domain according to quantized energy, obtaining a feature vector including information on the energy of the frequency band based on the normal signal and the input audio signal, quantizing the feature vector, obtaining a scale factor used to scale the normal signal based on the quantized feature vector, quantizing an adjustment signal into which the normal signal has been scaled based on the scale factor, and outputting bitstreams based on the quantized energy, the quantized feature vector, and the quantized adjustment signal.

Abstract: A battery pack includes a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case configured so as to house the cell module assembly and opened at its upper surface; and a fire-fighting tank located above the cell module assembly and covering the pack case, wherein the fire-fighting tank comprises: an internal space that houses the fire extinguishing agent; and a plurality of fragile parts that are parts where the thickness of the base plate of the fire-fighting tank is relatively thin, and are melted and opened by a thermal event of the battery cell.

Abstract: A semiconductor device is provided. The semiconductor device comprises a substrate including a first region, a second region, and a connecting region placed between the first region and the second region, a plurality of first multi-channel active patterns placed in the first region of the substrate, a plurality of second multi-channel active patterns placed in the second region of the substrate, a first connecting fin type pattern which is placed in the connecting region of the substrate and extends from the first region to the second region in a first direction, and a field insulating film which is placed on the substrate and covers an upper surface of the first connecting fin type pattern, wherein a width of the first connecting fin type pattern in a second direction decreases and then increases as it goes away from the first region, and the first direction is perpendicular to the second direction.

Abstract: A battery pack includes a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case configured so as to house the cell module assembly and including a venting hole on at least one surface; and a filter disposed in the venting hole and configured to be detachable. The filter is mounted on the venting hole to filter venting gas when a thermal event occurs in the battery cell, and can be removed from the venting hole so as to promote maintenance and repair of the inside of the battery pack in normal times.

Abstract: The present invention relates to a pharmaceutical composition for preventing or treating Charcot-Marie-Tooth disease associated with a peripheral nervous system, comprising a compound represented by formula I, optical isomers thereof or pharmaceutically acceptable salts thereof as an active ingredient, a method for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system using the compound, a use of the compound for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system, and a use of the compound in preparing a medicament for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system.