Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative and positioned between the first and second electrodes; and a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer, wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated.

Abstract: Disclosed herein is a method of decoding an image. The method includes determining a prediction mode of a current block as a merge mode with motion vector difference (MMVD), deriving a merge candidate list of the current block, deriving a motion vector predictor of the current block using the merge candidate list, deriving a motion vector difference of the current block, and deriving a motion vector of the current block using the motion vector predictor and the motion vector difference. Only some of candidates in the merge candidate list are used to derive the motion vector predictor.

Abstract: A secondary battery comprises: an electrode assembly having electrodes, a separator interposed between the electrodes, and electrode tabs; an electrode lead coupled to the electrode tabs; and a pouch configured to accommodate the electrode assembly therein, wherein the electrode tabs comprise a connection part connected to the electrodes, a coupling part coupled to the electrode lead in a state of being combined into a mass, and a bent part provided between the connection part and the coupling part, and the bent part comprises a first bent surface connected to the coupling part and bent at a first-b angle, a second bent surface connected to the connection part and bent at a second-b angle, and a connection surface configured to connect the first bent surface to the second bent surface, wherein the first-b angle is greater than the second-b angle.

Abstract: In an embodiment a washer system includes a plurality of measurement units configured to receive data required for vehicle driving, a nozzle configured to provide a washer fluid to the measurement units, a main reservoir configured to store the washer fluid, a sub-reservoir coupled to at least one of the measurement units and configured to be supplemented with the washer fluid from the main reservoir and a controller configured to determine a priority of the measurement units and supply, in response to the priority of the measurement units, the washer fluid from the main reservoir to the sub-reservoir based on the measurement unit having a higher priority.

Abstract: A method and apparatus for recognizing walking information using multiple magnetic sensors are provided. The method for recognizing walking information comprises generating a magnetic sensing signal from magnetic paint applied to a ground, generating a frequency-converted signal using the magnetic sensing signal, and generating walking information using the frequency-converted signal.

Abstract: A display panel comprises a first data line, a second data line electrically insulated from the first data line, and a first data connection line electrically connected to the first data line and disposed closer to the second data line than to the first data line in a first direction. The first data line, the second data line, and the first data connection line each comprise a line member extending in a second direction different from the first direction and comprise a first protrusion and a second protrusion both protruding from the line member and being wider than the line member in the first direction.

Abstract: A display device includes a substrate including a first display area, a second display area, and a non-display area, a plurality of first signal lines extending in a first direction and disposed in the first display area, a plurality of second signal lines extending from the non-display area in the first direction and disposed in the second display area, a plurality of connection lines connected to the first signal lines and extending to the non-display area via the first display area and the second display area, and a test circuit portion disposed in the non-display area. At least some of the plurality of connection lines and at least some of the second signal lines are electrically the test circuit portion.

Abstract: A mask assembly and method for manufacturing of the same are provided. A mask assembly includes: a mask frame including a first mask opening and a second mask opening which are located side by side in a first direction and defined by a support bar; a first split mask overlapping the first mask opening; and a second split mask overlapping the second mask opening, and the first split mask and the second split mask are spaced apart from each other in a region overlapping the support bar.

Abstract: A secondary battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal of the secondary battery, including a memory unit configured to store a positive electrode reference profile and a negative electrode reference profile for charge or discharge of a reference battery, a voltage measuring unit configured to measure a voltage of a target battery during a charge or discharge process, and a processor configured to generate a charge and discharge measurement profile based on the voltage, compare a simulation profile obtained from the positive electrode reference profile and the negative electrode reference profile with the generated charge and discharge measurement profile, and determine a positive electrode adjustment profile and a negative electrode adjustment profile so that an error between the simulation profile and the charge and discharge measurement profile is within a predetermined level.

Abstract: The present invention provides a battery rack including: a housing; a plurality of battery modules stacked in the housing; and a connection member configured to electrically connect the plurality of battery modules, wherein each of the plurality of battery modules includes a plurality of battery submodules stacked on each other, and each of the plurality of battery submodules comprises: at least one cooling member; and a plurality of battery cells located on both sides with the at least one cooling member interposed therebetween, wherein at least two of the plurality of battery cells are located on each of both sides of the at least one cooling member.

Abstract: Provided is an aerosol generating system including a holder configured to generate aerosol by heating a cigarette; and a cradle including an inner space into which the holder is inserted. The holder is configured to be tiltable with respect the cradle. The holder is inserted into the inner space of the cradle and then tilted to generate the aerosol.

Abstract: Disclosed herein are a polyamide composition and a molded article made of the same with improved mechanical strength and reduced weight. The molded article may include the polyamide composition that includes high flowable polyamide and polyphthalamide and a small-diameter fiber, thereby resulting in an improvement in mechanical strength while achieving excellent surface properties and high weight reduction.

Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may comprise deriving a candidate list for inter-prediction of a current block, deriving motion information of the current block by using the candidate list, deriving a cumulative coding information candidate by using the motion information of the current block, inserting the derived cumulative coding information candidate into a cumulative coding information candidate list and updating the candidate list by using the cumulative coding information candidate list, wherein the updated candidate list is used for inter-prediction of a block to be decoded after the current block.

Abstract: A battery sub-packing unit includes a plurality of secondary battery cells, a cell support member including a seating portion for accommodating the plurality of secondary battery cells, and a venting inducing portion connecting the seating portion to an external area, and a case member provided to surround the secondary battery cell accommodated in the seating portion and to seal around the secondary battery cell.

Abstract: Disclosed is a heater assembly for accommodating and heating an aerosol generating article, the heater assembly including: an accommodation portion configured to accommodate an end portion of an aerosol generating article; a heating portion arranged to surround another portion of the aerosol generating article; and a combining portion configured to combine the accommodation portion and the heating portion and including engineering plastic, wherein the accommodation portion, the combining portion, and the heating portion are arranged along a longitudinal direction of the aerosol generating article and form an accommodation space in which the aerosol generating article is accommodated.

Abstract: A display panel includes: a plurality of first electrodes disposed on a via-layer and corresponding to a plurality of pixel areas, respectively; a pixel-defining layer disposed on the via-layer; first opening parts corresponding to central portions of the first electrodes and penetrating through the pixel-defining layer; electrode undercuts corresponding to edges of the first opening parts and provided as gaps between the first electrodes and the pixel-defining layer; a plurality of second opening parts corresponding to peripheries of the first electrodes, respectively, and penetrating through the pixel-defining layer; and via-grooves corresponding to the second opening parts and defined on an upper surface of the via-layer; via-undercuts provided by the pixel-defining layer around the second opening parts and the via-layer around the via-grooves.

Abstract: Disclosed herein is a method of decoding an image. The method includes determining a prediction mode of a current block as a merge mode with motion vector difference (MMVD), deriving a merge candidate list of the current block, deriving a motion vector predictor of the current block using the merge candidate list, deriving a motion vector difference of the current block, and deriving a motion vector of the current block using the motion vector predictor and the motion vector difference. Only some of candidates in the merge candidate list are used to derive the motion vector predictor.