Abstract: The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising the host materials according to the present disclosure, an organic electroluminescent device having a high power efficiency and/or long lifespan can be provided.

Abstract: A display apparatus includes an oxide semiconductor pattern disposed on a device substrate and including a channel region disposed between a source region and a drain region, a gate electrode overlapping the channel region of the oxide semiconductor pattern and having a structure in which a first hydrogen barrier layer and a gate conductive layer are stacked, and a gate insulating film disposed between the oxide semiconductor pattern and the gate electrode to expose the source region and the drain region of the oxide semiconductor pattern. The gate electrode exposes a portion of the gate insulating film that is adjacent to the source region and a portion of the gate insulating film that is adjacent to the drain region.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound, an organic electroluminescent device having a low driving voltage and/or a high luminous efficiency and/or a long lifespan can be provided.

Abstract: Disclosed herein are mammography device for X-ray photographing a breast and a method of photographing an object to be inspected using the same. The mammography device includes: a generator irradiating an X-ray; a detector facing the generator; a pressing pad moving between the generator and the detector to press an object to be inspected; a biological index deciding unit deciding a biological index of a subject; and a controller controlling a movement distance and a velocity of the pressing pad on the basis of the biological index decided in the biological index deciding unit.

Abstract: The present invention relates to a secondary battery capable of improving the coupling force between a safety vent and a cap-up. For example, disclosed is a secondary battery comprising: an electrode assembly; a case for accommodating the electrode assembly; a cap assembly coupled to the upper part of the case; and a gasket interposed between the cap assembly and the case, wherein the cap assembly includes a cap-up and a safety vent, which is provided at the lower part of the cap-up and has a vent extension part extending to the upper part of the cap-up so as to encompass the edge of the cap-up, a welding region, in which the safety vent and the cap-up are welded and coupled by laser welding, is formed in the vent extension part, and the welding region is formed in a line shape.

Abstract: The present invention relates to an antireflection film comprising a hard coating layer in which a ten-point average roughness (Rz) of the surface irregularities is 0.05 ?m to 0.2 ?m and an internal haze is 0.5% to 5%; and a low refractive index layer formed on the hard coating layer, and a display device comprising the antireflection film.

Abstract: A capacitor component includes a body including a dielectric layer, and a first internal electrode and a second internal electrode disposed to oppose each other in a first direction with the dielectric layer interposed therebetween; a first external electrode and a second external electrode disposed on the body, and respectively connected to the first internal electrode; and a third external electrode and a fourth external electrode disposed on the body, and respectively connected to the second internal electrode, wherein the first and second external electrodes include a connection metal layer, a ceramic layer, a metal layer, and a plated layer, respectively, sequentially disposed on the body, wherein the plated layer is extended and disposed to contact end surfaces of the connection metal layer, the ceramic layer, and the metal layer in the first direction, respectively.

Abstract: An antenna device in which a conductive foil or an antenna pattern directly formed on the magnetic sheet without an insulating substrate such as polyimide, has a reduced thickness and may be prepared simple process. Also, with respect to the antenna device, flexibility may be improved by using a polymer-type magnetic sheet, and, since magnetic properties are excellent, the antenna device may be used for multiple applications such as NFC, WPC, and MST.

Abstract: A magnetic sheet having improved acid/base-resistant properties, corrosion-resistance, and an excellent magnetic property at NFC, WPC, and MST frequencies, has little changes in weight and thickness even if the environment changes, for example, even after an etching treatment for patterning, or a reflow or soldering process which is performed for its application to a product.

Abstract: A packing tray for a rechargeable battery is disclosed. In one aspect, the tray includes a bottom portion and an inner wall connected to the bottom portion. The bottom portion and the inner wall define a receiving space configured to receive a battery cell. The inner wall includes upper and lower portions. The lower portion extends upwardly, and the upper portion is outwardly curved such that the upper portion is wider than the lower portion.

Abstract: Smart glasses for selectively tracking a target of visual cognition according to the present invention include a first camera configured to capture a first input image that is a first-person view image of a user, a second camera configured to capture a second input image containing sight line information of the user, a display configured to output additional information corresponding to the first input image, a memory configured to store a program for selectively tracking a target of visual cognition on the basis of the first and second input images, and a processor configured to execute the program stored in the memory, wherein upon executing the program, the processor is configured to detect the target of visual cognition from the first input image and determine, from the second input image, whether the user is in an inattentive state with respect to the target of visual cognition.

Abstract: A remote control apparatus is provided.

Abstract: Disclosed are a system and a method for precisely measuring a structure are disclosed. A reference meter installed at a fixed location provides GPS reference information. A plurality of response meters, respectively installed at a plurality of positions of the structure, acquire acceleration information through acceleration sensors and measure a plurality of real-time kinematic (RTK) displacement data based on the GPS reference information, respectively. The response meters synchronize acceleration information with the plurality of RTK displacement data measured to generate into a packet to be transmitted. An operation processor receives the acceleration information and the plurality of RTK displacement data and calculates structure response information. With the GPS and accelerometers, the dynamic behaviors of structures including high-rise buildings, bridges, dams, and harbors can be precisely measured.

Abstract: A secondary battery includes an electrode assembly including a first electrode plate including a first electrode tab, a second electrode plate including a second electrode tab, and a separator interposed between the first electrode plate and the second electrode plate, a case accommodating the electrode assembly, and a cap assembly covering a top portion of the case. Any one of the first electrode tab and the second electrode tab includes a multi-layer clad electrode tab including two copper (Cu) layers.

Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.

Abstract: According to a method of preparing a conductive magnetic composite sheet, the method comprising preparing a magnetic sheet comprising a magnetic powder and a binder resin; stacking the magnetic sheet and a first conductive foil; and applying heat and pressure to the obtained stack to bond the magnetic sheet and the first conductive foil, a conductive magnetic composite sheet having excellent interlayer adhesion between the magnetic sheet and the conductive foil can be prepared while having an excellent magnetic property at NFC, WPC, and MST frequencies.

Abstract: Disclosed are a system and a method for precisely measuring a structure are disclosed. A reference meter installed at a fixed location provides GPS reference information. A plurality of response meters, respectively installed at a plurality of positions of the structure, acquire acceleration information through acceleration sensors and measure a plurality of real-time kinematic (RTK) displacement data based on the GPS reference information, respectively. The response meters synchronize acceleration information with the plurality of RTK displacement data measured to generate into a packet to be transmitted. An operation processor receives the acceleration information and the plurality of RTK displacement data and calculates structure response information. With the GPS and accelerometers, the dynamic behaviors of structures including high-rise buildings, bridges, dams, and harbors can be precisely measured.

Abstract: A method and apparatus for detecting a garbage dumping action in real time on a video surveillance system are provided. A change region, which is a motion region, from an input image is detected, joint information including joint coordinates corresponding to a region in which joints exist is generated, and an object held by a person from the image using the change region and the joint information is detected. Then, an action of dumping the object based on a distance between the object and the joint coordinates is detected.

Abstract: Disclosed herein are a video interpretation apparatus and method. The video interpretation apparatus includes an object information generation unit for generating object information based on objects in an input video, a relation generation unit for generating a dynamic spatial relation between the objects based on the object information, a general event information generation unit for generating general event information based on the dynamic spatial relation, a video information generation unit for generating video information including any one of a sentence and an event description based on the object information and the general event information, and a video descriptor storage unit for storing the object information, the general event information, and the video information.

Abstract: A method and system for detecting fusion of a relay are provided to more accurately diagnose fusion of a relay by adjusting relay OFF order when a vehicle engine is turned off using data regarding whether fusion of a relay was detected when the vehicle engine was turned on. The method includes detecting whether first and second relays have been fused when a vehicle engine was turned on and adjusting OFF order of the first and second relays when the vehicle engine is turned off based on whether the first and second relays have been fused.