Abstract: A rheometer according to an embodiment includes a substrate on which an object to be measured is placed, a vibration unit configured to provide a vibration to the substrate, a plurality of probe units each including a quartz tuning fork and a contact member fixed to the quartz tuning fork, the contact member being able to contact the object, the plurality of probe units having different types of the contact members. Any one of the plurality of probe units is selected and contacts the object, and a controller configured to calculate a viscoelastic force of the object based on a vibration of the vibration unit and a vibration transmitted to the quartz tuning fork through the object from the vibration of the vibration unit.

Abstract: Provided is a display device including a display panel, and a window member on the display panel, wherein the window member includes a window base material including a flexible portion in which a first area having a first rigidity and a second area having second rigidity that is less than the first rigidity are alternately located, a buffer layer on the window base material and having a refractive index that is smaller than a refractive index of the window base material, and a filler layer on the buffer layer and having a refractive index that is smaller than the refractive index of the buffer layer.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising an organic electroluminescent compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved current efficiency and/or lifetime properties.

Abstract: According to an embodiment, a monitoring device, comprising: a sensor for sensing inflow gas information including a component and a concentration of an inflow gas introduced into a regenerative thermal oxidizer (RTO); and a processor for determining residual gas information including a component and a concentration of a residual gas in the RTO by using the inflow gas information, and updating an inflow amount per unit time of the inflow gas according to a risk level of the RTO determined based on the residual gas information, is provided.

Abstract: A display device includes a data line, a pixel electrically connected to the data line, a data driver for outputting a data voltage, and a transmitter electrically connected between an output terminal of the data driver and the data line. The transmitter may transmit an instance of the data voltage to the data line in a first period. The transmitter may amplify a second instance of the data voltage to generate a reference voltage and then transmit the reference voltage to the data line in a second period different from the first period. The pixel includes a light emitting element for emitting light in response to the first instance of the data voltage. A voltage level of the reference voltage may be higher than a voltage level of the data voltage.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure as an organic electroluminescent material, an organic electroluminescent device having long lifespan characteristics can be provided.

Abstract: The battery cell assembly includes an assembly housing, and a battery cell, a first busbar member and a second busbar member accommodated in the assembly housing. The first busbar member is connected to a first electrode lead of the battery cell and the second busbar member is connected to a second electrode lead of the battery cell. The battery cell assembly also includes first and second terminal units connected to the first and second busbar members, respectively. At least portions of the first terminal unit and the second terminal unit extend toward a first surface of the assembly housing and disposed outside of the assembly housing. The assembly housing includes an accommodation space in which the battery cell is accommodated and an open slot formed by opening a second surface of the assembly housing to connect the accommodation space to the outside of the accommodation space.

Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: pixels; scan lines extending in a row direction and connected to the pixels; a data lines extending in a column direction and connected to the pixels; a receiving lines extending in the column direction and connected to the pixels; and a compensation circuit portion that generates first sensing data by receiving a current flowing to the pixels through the receiving lines, and generates a compensation value that compensates a characteristic of a driving transistor included in each of the pixels by multiplying the first sensing data by a calibration factor that corresponds to a position of each of the pixels, wherein the calibration factor includes a line calibration factors that correspond to the receiving lines.

Abstract: A window includes a folding portion foldable with respect to an imaginary folding axis extending in a first direction, a first non-folding portion, and a second non-folding portion spaced apart from the first non-folding portion in a second direction perpendicular to the first direction with the folding portion interposed therebetween. The folding portion includes a base portion and a plurality of protrusion portions disposed on the base portion and spaced apart from each other in the second direction. A width, in the first direction, of the folding portion is smaller than a width, in the first direction, of each of the first non-folding portion and the second non-folding portion.

Abstract: Provided is a cellulose derivative composition for a secondary battery binder, a method of preparing a composition for a secondary battery electrode, including the same, and a secondary battery including the same. According to the inventive concept, the cellulose derivative composition for a secondary battery binder may include a compound represented by Formula 1 below.

Abstract: A semiconductor device includes a first junction-gate field-effect transistor (JFET) having a first pinch-off voltage, and a second JFET having a second pinch-off voltage higher than the first pinch-off voltage. The first JFET includes a first top gate region disposed on a surface of a substrate, a first channel region surrounding the first top gate region, and a first bottom gate region disposed under the first channel region. The second JFET includes a second top gate region disposed on the surface and having a same depth with the first top gate region relative to the surface, a second channel region surrounding the second top gate region and disposed deeper than the first channel region relative to the surface, and a second bottom gate region disposed under the second channel region and being deeper than the first bottom gate region relative to the surface.

Abstract: Provided is a window including a glass substrate, an impact absorbing layer disposed on the glass substrate and having a first storage modulus, and at least one coating layer disposed on at least one of top and bottom surfaces of the impact absorbing layer, respectively, and having a second storage modulus that is greater than the first storage modulus, wherein a ratio between a first thickness of the impact absorbing layer and a second thickness of at least one of the at least one coating layer is about 1:0.0002 to about 1:0.05.

Abstract: A low impact development plant box built on a road and/or residential area, comprising a plurality of segment boxes each having any one of curved, straight line, and slanted shapes in such a way as to provide a structure with a given shape when coupled to one another and an accommodation space formed therein to accommodate planting soil in which a plant is planted.

Abstract: One exemplary embodiment of the present invention relates to a thermal management fluid module for a vehicle using a circulating fluid such as a refrigerant or a coolant, the thermal management fluid module including a manifold plate in which a plurality of fluid flow channels are formed, and a thermal interference avoidance unit which is coupled to the manifold plate and in which fluid flow channels having a relatively high temperature or low temperature are formed to be separated and spaced apart from other fluid flow channels among the fluid flow channels.

Abstract: A flat plate vibration driver according to an embodiment of the present invention includes a base frame; a vibration unit disposed inside the base frame and vibrating up and down by a magnetic circuit; and a suspension connecting the base frame and the vibration unit, and transmitting vertical vibrations of the vibration unit to the base frame, wherein the vibration unit further comprises: a pair of magnetic bodies; and a magnetic guide which is connected to both ends of the pair of magnetic bodies and the suspension, respectively, to maintain a separation distance between the magnetic bodies and float the magnetic bodies in the air at a predetermined position inside the base frame.

Abstract: Provided is a washing machine including: a cabinet including a plurality of side frames, a back frame, a top frame and a bottom frame; a front frame that is disposed in front of the cabinet and includes an internal laundry port through which laundry is put into a rotating tub, and a front cover that is disposed in front of the front frame, extends from the top frame to the bottom frame, includes an external laundry port corresponding to the internal laundry port and is integrally formed. Thus, no line is formed in a front side of the washing machine so that the exterior of the washing machine can be enhanced.

Abstract: In the method of producing natural seasoning according to an embodiment, hot water extraction of kelp is carried out, followed by drying to prepare kelp extract, hot water extraction of oyster mushroom is carried out to prepare oyster mushroom extract, hot water extraction of winter mushroom is carried out to prepare winter mushroom extract, the oyster mushroom extract is inoculated with Pediococcus pentosaceus strain, followed by fermentation to prepare lactic acid bacteria fermented product of oyster mushroom, the winter mushroom extract is inoculated with Lactobacillus acidophilus strain, followed by fermentation to prepare lactic acid bacteria fermented product of winter mushroom, and the lactic acid bacteria fermented product of oyster mushroom, the lactic acid bacteria fermented product of winter mushroom, and the kelp extract are mixed to produce natural seasoning.

Abstract: A window includes a first cover layer, a second cover layer, and a first adhesive part. The first cover layer includes a first non-folding area, a folding area, and a second non-folding area that are arranged in a first direction, and a plurality of first recessed portions recessed from a top surface of the folding area and extended in a second direction intersecting the first direction. The second cover layer is disposed on the first cover layer. The first adhesive part is disposed between the first cover layer and the second cover layer, and includes protrusions disposed in the plurality of first recessed portions of the first cover layer.