Abstract: A novel compound having excellent light emission and heat stability is disclosed. Also disclosed is an organic electroluminescent device having properties such as light emitting efficiency, an operation voltage, and a service life improved by including the compound in at least one organic layer of the device.

Abstract: An apparatus and method for transmitting and receiving magnetic field signals in a magnetic field communication system are provided. The apparatus includes a controller configured to generate a communication signal, matching units that are configured to receive the communication signal and that respectively correspond to different matching frequencies, and loop antennas that are connected to the matching units, respectively, and that are configured to convert communication signals according to the different matching frequencies into magnetic transmission signals in the form of magnetic field energy and to transmit the magnetic transmission signals.

Abstract: The disclosure relates to an electrocardiogram (ECG) data processing method and a non-transitory recording medium storing an instruction set for executing an ECG data processing method, and more particularly, to a method of extracting an analysis-required section from an ECG signal by considering a data value or a morphological pattern of the ECG signal.

Abstract: A semiconductor device including a substrate, a wiring pattern in the substrate, a passivation layer on the substrate, the passivation layer and the substrate including a first recess penetrating a part of each of the passivation layer and the substrate and extending toward the wiring pattern, a post connected to the wiring pattern and including a first portion within the first recess and a second portion on the first portion and protruding from a top surface of the passivation layer, a signal bump including a seed layer on the post, a lower bump on the seed layer, and an upper bump on the lower bump, and a heat transfer bump apart from the signal bump, electrically insulated from the wiring pattern, and including another seed layer on the passivation layer, another lower bump on the another seed layer, and another upper bump on the another lower bump may be provided.

Abstract: A method for auto-generating an AutoCAD drawing includes providing an interface for extracting only input data required for drawing equipment from strength calculation data, displaying all components and nozzles constituting the equipment and providing or correcting information thereon. The AutoCAD drawing is automatically generated based on information on all components constituting the equipment and nozzles.

Abstract: An apparatus according to an embodiment of the present disclosure is for automatically managing a helmet. Because the inside of a helmet may be sterilized and dried in a short time, a comfortable safety helmet may be ensured even during a short break time. Also, because charging may be performed without removing attachments such as an IoT device, an electronic device, and an illumination light from the helmet, the inconvenience of time and effort spent on attaching and detaching the attachments may be eliminated. Also, because the attachments such as the IoT device, the electronic device, and the illumination light may be charged at every break in the middle of work, a required capacity of a rechargeable battery may be reduced, a weight of the attachments may be reduced, and thus, the burden on the user to use the helmet may be reduced.

Abstract: A display device includes: a display panel having a display area and a non-display area at least partially disposed around the display area; and a touch sensor disposed on the display panel and including a touch sensor area in the display area and a touch peripheral area in the non-display area adjacent to the touch sensor area, wherein the touch sensor includes: a first touch electrode and a second touch electrode; a first touch pad and a second touch pad being adjacent to each other in a first direction; a second touch pad disposed in a touch pad area of the touch peripheral area; a first touch signal line electrically connecting the first touch electrode with the first touch pad, the first touch signal line including a first line portion extended in the first direction and a second line portion extended in a second direction; a second touch signal line electrically connecting the second touch electrode with the second touch pad; a first dummy line extended in the first direction and spaced apart from the f

Abstract: A semiconductor package includes a first semiconductor chip and a second semiconductor chip stacked on the first semiconductor chip. The first semiconductor chip includes a substrate having a first via hole, an insulation interlayer formed on the substrate and having a first bonding pad in an outer surface thereof and a second via hole connected to the first via hole and exposing the first bonding pad, and a plug structure formed within the first and second via holes to be connected to the first bonding pad. The second semiconductor chip includes a second bonding pad bonded to the plug structure which is exposed from a surface of the substrate of the first semiconductor chip.

Abstract: A semiconductor package is provided. The semiconductor package includes a first semiconductor substrate, a first semiconductor element layer on an upper surface of the first semiconductor substrate, a first wiring structure on the first semiconductor element layer, a first connecting pad connected to the first wiring structure, a first test pad connected to the first wiring structure, a first front side bonding pad connected to the first connecting pad and including copper (Cu), and a second front side bonding pad connected to the first front side bonding pad and including copper (Cu) which has a nanotwin crystal structure different from a crystal structure of copper (Cu) included in the first front side bonding pad, wherein a width of the first front side bonding pad in the horizontal direction is different from a width of the second front side bonding pad in the horizontal direction.

Abstract: A method of automatically generating AutoCAD drawings includes: receiving, by a receiving unit, a data sheet generated only with input data necessary for drawing a column from strength calculation data for the column provided by a strength calculation program; loading, by a loading unit, the input data; and generating AutoCAD drawings of the column by activating an automatic AutoCAD drawing generation interface by a user's selection after the input data is loaded, the automatic AutoCAD drawing generation interface being activatable only after the input data is loaded.

Abstract: A semiconductor device includes a conductive component on a substrate, a passivation layer on the substrate and including an opening that exposes at least a portion of the conductive component, and a pad structure in the opening and located on the passivation layer, the pad structure being electrically connected to the conductive component. The pad structure includes a lower conductive layer conformally extending on an inner sidewall of the opening, the lower conductive layer including a conductive barrier layer, a first seed layer, an etch stop layer, and a second seed layer that are sequentially stacked, a first pad layer on the lower conductive layer and at least partially filling the opening, and a second pad layer on the first pad layer and being in contact with a peripheral portion of the lower conductive layer located on the top surface of the passivation layer.

Abstract: A hard coating composition includes a norbomene-based compound represented by a Chemical Formula 1 and a polymer including at least one of an epoxy-based resin, a polyurethane-based resin, or an acrylic resin.

Abstract: The present invention relates to a polar functional group-partially introduced polymer, a preparation method therefor, and an organic electronic element adopting the same. The organic electronic element of the present invention has excellent photoelectric conversion efficiency and stability and is very advantageous in commercialization, by adopting the polar functional group-partially introduced polymer of the present invention.

Abstract: The present disclosure provides a method for processing a substrate that can maintain a production amount even when a production model is changed. The method for processing a substrate comprises: disposing the substrate on a levitation stage; measuring a distance between the substrate and an inkjet head module; and changing a discharging speed of ink to be discharged from the inkjet head module based on the measured distance.

Abstract: An internal voltage generation circuit may include: a voltage comparison circuit configured to generate a control voltage by comparing a reference voltage and an internal voltage which is fed back thereto; a voltage driving circuit configured to generate an internal voltage based on the control voltage; and a drivability control circuit configured to control the voltage level of the control voltage based on an enable signal which is activated during an active operation, in order to control drivability of the voltage driving circuit.

Abstract: A storage device and an operating method thereof are provided. Provided is a storage device including, a memory cell, and a storage controller which includes a flash controller that performs a data operation on the memory cell, and a processor that executes an RTOS (Real Time Operating System) for controlling the flash controller, wherein the RTOS communicates with the storage controller and operates in a normal operation mode, the RTOS generates a snapshot data in a debug mode when a defect occurs, the RTOS switches to the debug mode through context switching in the normal operation mode, and the RTOS operates in the normal operation mode, when an urgent work occurs, while performing an operation of generating the snapshot data in the debug mode.

Abstract: A variable pitch pulley includes a rotary shaft, a fixed sheave fixed to the rotary shaft, and a moving sheave forming a belt groove with the fixed sheave. The moving sheave includes an inner sheave and an outer sheave radially stacked on the inner sheave. The pitch pulley further includes a moving sheave-positing unit determining relative positions of the inner and outer sheaves. The inner and outer sheaves are simultaneously moved in an axial direction of the rotary shaft in a first moving mode, and only the outer sheave is moved in the axial direction in a second moving mode.

Abstract: An image signal processor includes a gradation detection module configured to receive a pixel signal from an external device and a correction module configured to receive the pixel signal. The correction module is connected to the gradation detection module. The gradation detection module is configured to estimate a gradient of the pixel signal, correct the pixel signal based on the gradient to generate a corrected pixel signal, calculate a first variance value based on the pixel signal, calculate a second variance value based on the corrected pixel signal, calculate a gradation probability value based on a comparison result between the first variance value and the second variance value, and generate a gradation map as information about the gradation probability value of the pixel signal. The correction module is configured to correct the pixel signal based on the gradation map.

Abstract: A display device includes first touch electrodes, first routing lines, second routing lines, and a first guard line. The first touch electrodes are arranged in a touch sensing area. The first routing lines are connected to one side of the first touch electrodes. The second routing lines are connected to another side of the first touch electrodes. The first guard line is between the first routing lines and the second routing lines, and includes a first region extending in a first direction, and a second region extending from one end of the first region in a second direction crossing the first direction. The first region includes a first touch conductive layer, and a second touch conductive layer on the first touch conductive layer. The second region of the first guard line includes the second touch conductive layer and does not overlap the first touch conductive layer.

Abstract: Provided is a method of controlling vibration in an artificial satellite vibration test by using a controller and a plurality of shakers installed on an artificial satellite and configured to vibrate at a predetermined frequency. The method includes: performing a pre-test operation in which the controller sets the artificial satellite as a system and calculates a plurality of input values using a frequency response function of the system and an inverse matrix of the frequency response function; determining, by the controller, whether errors, which are differences between target values and a plurality of output values resulting from the plurality of input values, are within a first range; and performing, by the controller depending on results of the determination, single shaker control using one of the plurality of shakers, or multiple shaker control using the plurality of shakers.