Abstract: The present disclosure relates to a plurality of host materials comprising a compound represented by formula 1 and a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the plurality of host materials comprising a specific combination of compounds, it is possible to provide an organic electroluminescent device having long lifespan characteristics.

Abstract: A coil component includes a molded portion having one surface and another surface opposing each other, and a wound coil disposed on the one surface of the molded portion and including an innermost turn, at least one intermediate turn, and an outermost turn disposed outwardly of a central portion of the one surface of the molded portion. A cover portion is disposed to face the one surface of the molded portion and to cover the wound coil, and first and second external electrodes are connected to the wound coil and arranged to be spaced apart from each other on the other surface of the molded portion. A thickness of one region of the cover portion disposed on the innermost turn is thicker than a thickness of another region of the cover portion disposed on the outermost turn.

Abstract: A memory device is provided. The memory device may comprise: a first electrode; a resistance change layer placed on the first electrode and containing an alkali metal and a transition metal; and a second electrode placed on the resistance change layer, wherein the content of the alkali metal in the resistance change layer ranges from 40 at % (exclusive) to 88 at % (exclusive).

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.

Abstract: A hybrid electric vehicle controlling a fuel injection point-in-time and a method of controlling driving of the hybrid electric vehicle such that fuel efficiency is improved when engine start is required. The method of controlling driving of the hybrid electric vehicle may include: inhibiting engine injection when there is an engine start request and a control entry condition is satisfied, performing the engine injection when an injection allowable condition is satisfied with the engine injection inhibited, and performing reaction force control along with the engine injection through a first motor directly connected to the engine.

Abstract: An apparatus for detecting a position of a rack bar in a motor driven power steering system include a first magnetic sensor disposed on a rack housing, the first magnetic sensor being configured to generate a first signal by detecting magnetism generated by magnets disposed on a rack bar, a second magnetic sensor disposed on the rack housing and spaced apart from the first magnetic sensor, the second magnetic sensor being configured to generate a second signal by detecting the magnetism generated by the magnets, and a processor configured to calculate the position of the rack bar based on the first signal and the second signal.

Abstract: A master latch circuit, including a first p-type transistor, a first n-type transistor, and a second n-type transistor connected in series; a first node connected to the first p-type transistor and the first n-type transistor, and a NAND circuit configured to receive a signal of the first node and a clock signal and output a result of a NAND operation to a second node, wherein a gate of the first p-type transistor is connected to the second node.

Abstract: A manufacturing system state image preprocessing device in accordance with one embodiment of the present disclosure includes: a basic image generator configured to generate a basic image that visually represents a manufacturing system state based on manufacturing system state data, wherein the basic image includes a Gantt chart; and a conditioned image generator configured to generate one or more conditioned images in which one or more sets of conditions have been applied to the basic image, wherein an output image including at least one of the basic image and the one or more conditioned images is provided as input to an artificial neural network module.

Abstract: Provided is a device for performing simulation for work schedule of a factory includes an experiment design module for generating experiment design data by selecting one or more factors from a plurality of factors included in reference information as target factors, and setting levels of the selected target factors, the reference information being an input value to a model that serves as a target of a what-if simulation experiment, and an experiment execution module for outputting an experiment execution result by executing the what-if simulation experiment for the model in parallel by using an executor including a plurality of execution engines based on the experiment design data.

Abstract: A differential amplifier according to an embodiment can be provided in a data driving device for driving pixels of a display panel. The differential amplifier can improve the slew rate of the differential amplifier by supplying dynamic current to an input circuit stage and/or a current mirror circuit stage of the differential amplifier through a boosting circuit stage.

Abstract: A low dropout regulator can comprise a driver configured to receive a first input voltage and generates an output voltage, an error amplifier configured to receive a second input voltage having a magnitude different from the first input voltage and output an amplifier output voltage based on the difference between a feedback voltage corresponding to the output voltage and a reference voltage, and a driving controller configured to control the output voltage of the driver based on the amplifier output voltage.

Abstract: The present disclosure relates to a plurality of host materials and organic electroluminescent devices comprising the same. The present disclosure may provide a plurality of host materials having a composition favorable to thermal denaturation due to a low deposition temperature, while improving hole properties and electronic properties of HOMO and LUMO, by comprising separate compounds represented by formulas 1 and 2 into a light-emitting layer. By comprising the plurality of host materials of the present disclosure, it is possible to provide an organic electroluminescent device having a lower driving voltage, higher luminous efficiency and/or longer lifetime.

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.

Abstract: A coil component is provided. The coil component includes a body having fifth and sixth surfaces opposing each other, first and second surfaces respectively connecting the fifth and sixth surfaces of the body and opposing each other, and third and fourth surfaces respectively connecting the first and second surfaces of the body and opposing each other in one direction, a recess disposed in an edge between one of the first and second surfaces of the body and the sixth surface of the body, a coil portion disposed inside the body and exposed through the recess, and an external electrode including a connection portion disposed in the recess and connected to the coil portion, and a pad portion disposed on one surface of the body. A length of the pad portion in the one direction is greater than a length of the connection portion in the one direction.

Abstract: An inspection device includes an imaging unit which captures an inspection target and outputs image data corresponding to the inspection target, a data extraction unit which receives the image data and extracts inspection data corresponding to an inspection area of the inspection target from the image data, a setting unit which sets a threshold value based on a grayscale value of comparative data compared with the inspection data, and an inspection unit which determines whether the inspection target is defective based on the threshold value.

Abstract: An apparatus for estimating bio-information includes a sensor part configured to measure a pulse wave signal and a contact force of an object, while the object is in contact with the sensor part. The apparatus further includes a processor configured to extract a first feature from the measured pulse wave signal and the measured contact force, select one estimation model from a plurality of estimation models, based on a second feature of a user corresponding to the object, and estimate the bio-information, by inputting the extracted first features in the selected estimation model.

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound and an organic electroluminescent device comprising the same. By comprising the specific combination of the compound according to the present disclosure as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency and long lifespan characteristics can be provided.

Abstract: The present disclosure relates to a method of transferring a graphene, the method comprising the steps of: forming a graphene on a first substrate; forming a polymer precursor mixture on a second substrate; disposing the graphene oppositely to the second substrate having the polymer precursor mixture formed thereon; pressing the first substrate and the second substrate while curing the polymer precursor mixture; and peeling off the first substrate.

Abstract: A seat rail retainer includes a body, among a first rail and a second rail that are disposed to slide straightly respectively in a longitudinal direction, the body being fixed to the first rail, an elastic supporting portion protruding from the body to be elastically pressed by the second rail, and an inserting body inserted into the body to provide an elastic force to the elastic supporting portion.