Abstract: A headrest for a seat of a vehicle includes a body portion disposed above a backrest portion; a support portion disposed in front of the body portion; and an air cell disposed on the support portion, where a volume of the air cell expands toward a front of the headrest, and the support portion is configured to be slidably movable along the body portion.

Abstract: A display device including a light sensing array layer (LSAL), a substrate, a selective light transmission layer (SLTL), a pixel circuit layer (PCL), a display element layer (DEL), and pixels. The LSAL includes an optical sensor to sense incident light. The substrate is on the LSAL and includes a display area (DA) including pixel areas (PAs), and a non-DA adjacent to the DA. The SLTL is disposed on the substrate and includes through-holes to form a path of light onto the optical sensor, and a light-blocking conductive pattern (LBCP) between the through-holes. The PCL is disposed on the SLTL and includes a conductive layer and an insulation layer. The DEL is disposed on the PCL and emits light. Each pixel includes a pixel circuit disposed on the PCL, and a light emitting element on the DEL in a corresponding pixel area. The LBCP is electrically connected to the conductive layer.

Abstract: It is disclosed that an intelligent fault isolation device capable of rapidly and accurately detecting faults based on an inclination angle of fault currents according to a line impedance and an operating method thereof. The intelligent fault isolation device that minimizes power failure sections in a low-voltage direct current (LVDC) distribution system includes a plurality of hardware device units and a software device unit. The hardware device units provide a transmission path for current applied from a converter side to a consumer side. The software device unit calculates an inclination angle of a fault current in consideration of the line impedance of each section and determines that a fault has occurred in section n to limit the fault current in the operation mode of the hardware device unit corresponding to the section among the hardware device units.

Abstract: A ceramic susceptor particularly with excellent volumetric resistance at high temperatures and thermal conductivity at room temperature compared to a typical ceramic susceptor and a method for manufacturing the same are disclosed. The ceramic susceptor is characterized by comprising alumina (Al2O3); and aluminum nitride (AlN), and not comprising a secondary phase including an aluminum oxynitride phase (AlON phase).

Abstract: An electronic device includes a display panel, an input sensor disposed on the display panel, and a support disposed under the display panel to support the display panel. The support includes a first portion and a second portion surrounding the first portion. The second portion is provided with a plurality of first openings defined therethrough.

Abstract: A display device includes: a display driver for displaying an image on a display panel of the display device, and generating a mode control signal indicating whether the display panel includes at least one of a first display area and a second display area; and a sensor driver for setting a touch sensitivity of a first touch area of the display device corresponding to the first display area and a touch sensitivity of a second touch area of the display device correspond to the second display area, based on the mode control signal.

Abstract: An electronic device includes a first sensing group that includes a plurality of first electrodes arranged in a first direction and a plurality of second electrodes arranged in a second direction that crosses the first direction, and a second sensing group that includes a central electrode and a plurality of peripheral electrodes disposed in a plurality of openings formed in some of the plurality of first electrodes. At least one first electrode of the plurality of first electrodes or at least one second electrode of the plurality of second electrodes is interposed between the central electrode and each of the plurality of peripheral electrodes.

Abstract: A battery case for an electric vehicle includes a main body in which a loading region is partitioned off for loading a plurality of battery modules, a sidewall frame forming a sidewall edge portion of the main body and extending upwards, the sidewall frame including a curving portion to correspond with a shape of a vehicle body adopting a multi-link trailing-arm suspension structure, and a first support member and a second support member which are configured to extend from the main body in the longitudinal and transverse directions for partitioning of the loading region.

Abstract: A bus bar assembly includes a first bus bar including a narrowing portion with a reduced cross-sectional area in a first direction between the end portions thereof, a second bus bar spaced from the first bus bar, an arc-blocking portion disposed to surround the narrowing portion at the least, a magnetic core disposed on the outside of the arc-blocking portion, and a housing accommodating respective portions of the first bus bar and the second bus bar, the arc-blocking portion, and the magnetic core.

Abstract: A bus bar assembly includes a first bus bar including a narrowing portion with a reduced cross-sectional area in a first direction between the end portions thereof, a second bus bar spaced from the first bus bar, an arc-blocking portion disposed to surround the narrowing portion at the least, a magnetic core disposed on the outside of the arc-blocking portion, and a housing accommodating respective portions of the first bus bar and the second bus bar, the arc-blocking portion, and the magnetic core.

Abstract: Disclosed is a ceramic heater for a semiconductor manufacturing apparatus, the ceramic heater having volume resistivity especially at high temperature and thermal conductivity at room temperature that are superior to those of a normal ceramic heater for a semiconductor manufacturing apparatus. The ceramic heater for a semiconductor manufacturing apparatus includes a ceramic substrate including a) aluminum nitride (AIN), b) any one or more among magnesium oxide (MgO), alumina (Al2O3) and spinel (MgAl2O4), c) calcium oxide (CaO) and d) titanium dioxide (TiO2); and a resistive heating element.

Abstract: A battery module includes a plurality of battery cells stacked on one another in a first direction and configured to form a stacked structure. In particular, some battery cells of the plurality of battery cells are coated with hot melt respectively interposed between some battery cells of the plurality of battery cells to fix the battery cells. The battery module further includes a pair of end plates that surface-contact with opposite end battery cells of the stacked structure; and a pair of bus bar assemblies arranged at opposite ends of the stacked structure in a second direction perpendicular to the first direction and configured to connect electrodes of the plurality of battery cells located at opposite ends in the second direction to each other.

Abstract: A battery pack includes a plurality of battery modules, and each battery module includes: a plurality of battery cells mutually laminated in a first direction and forming a laminated structure; a pair of end plates, each end plate of the pair of end plates being in surface contact with a first and a second ends of the laminated structure, respectively, in the first direction; and a pair of busbar assemblies. In particular, each bus bar assembly of the pair of bus bar assemblies is disposed at the first end and the second end of the laminated structure, respectively, in a second direction perpendicular to the first direction.

Abstract: The present invention provides a polyamic acid aqueous solution composition capable of polymerizing polyamic acid in water rather than in an organic solvent, as well as achieving a high imidization rate during low-temperature curing.

Abstract: A display device and an electronic device include an input sensing device. Touch sensor electrodes of the input sensing device are disposed in a first sensing area of the base layer. Gesture sensor electrodes are disposed in a second sensing area of the base layer that surrounds the first sensing area, and are electrically insulated from the touch sensor electrodes. First pads and second pads are disposed in a non-sensing area of the base layer that is located at one side of the second sensing area. Touch sensing lines connect the touch sensor electrodes and the first pads to each other. Gesture sensing lines connect the gesture sensor electrodes and the second pads to each other. One of the gesture sensor electrodes includes sub-electrodes separated from each other by the touch sensing lines and a bridge that connects adjacent sub-electrodes to each other.

Abstract: A display device includes: a substrate; a display layer on the substrate; and a touch layer on the display layer, and including: a touch area; first sensor electrodes located along a first direction, and electrically connected to each other; second sensor electrodes located along a second direction crossing the first direction, and electrically connected to each other; and third sensor electrodes located along the first direction, and electrically insulated from the first and second sensor electrodes. In a first mode, the touch layer is to sense amounts of change in first capacitances between the first sensor electrodes and the second sensor electrodes, and in a second mode, the touch layer is to sense amounts of change in second capacitances between the first sensor electrodes and some of the second sensor electrodes, and amounts of change in third capacitances between the first sensor electrodes and the third sensor electrodes.

Abstract: A display device includes a display layer disposed on a substrate. The display layer includes a light emitting elements. A sensor is disposed on the display layer. Sensing lines of the sensor are disposed outside touch electrodes of the sensor and are electrically connected to the touch electrodes. A gesture sensor electrode of the sensor is disposed outside the sensing lines. In a plan view, the gesture sensor electrode does not overlap a conductor which provide a constant voltage to the light emitting elements.

Abstract: A nipple assembly includes nipple bodies configured so that one end portion of each of the nipple bodies is inserted into a housing so as to be coupled to a cooling medium inlet or a cooling medium outlet of a heat exchanger and a remaining end portion of each of the nipple bodies protrudes outwards from the housing, at least one first sealing unit sealing a gap between the one end portion of each of the nipple bodies and the cooling medium inlet or the cooling medium outlet, a flange portion formed at a position between two end portions of each of the nipple bodies to be coupled to the housing, and a second sealing unit including a first sealing portion sealing a gap between the flange portion and the housing and a second sealing portion configured to extend from the first sealing portion.

Abstract: Provided are a marine testbed and a marine test method for providing marine verification and securing a track record of an eco-friendly propulsion system for a ship, wherein the marine testbed and the marine test method test and evaluate applicability of a hybrid propulsion system to the ship and facilitate securing of a track record, the hybrid propulsion system utilizing a battery, a fuel cell, a zero-carbon fuel engine, a zero-carbon fuel mixed-combustion engine, and a heterogeneous eco-friendly alternative fuel for the ship which are essential for developing an eco-friendly ship.

Abstract: The present application provides a polyamic acid aqueous solution composition prepared of a polyimide, wherein the composition enables the polymerization of hydrophobic-based monomers into a polyamic acid in water and is improved in transparency, eco-friendliness, storage stability, and the like when cured.