Abstract: A mother substrate for a display panel and a display panel using the same are disclosed. The mother substrate comprises a plurality of display area including a plurality of light-emitting areas configured to receive light-emitting elements, a plurality of wirings, and a plurality of pads connected to the plurality of wirings; a conductive ring in a non-display area that surrounds the display area such that each of the display areas is surrounded by the conductive ring and electrically connected to the pads; a photoresist pattern covering the plurality of display areas and the non-display area; and a first metal layer covering the photoresist pattern. The conductive ring includes an electrostatic blocking area.

Abstract: An embodiment discloses a display apparatus. The display apparatus includes a plurality of first electrodes and a contact electrode disposed on a substrate. The display apparatus includes a plurality of light-emitting elements disposed on the plurality of first electrodes. The display apparatus includes a first optical layer disposed between the plurality of light-emitting elements. The display apparatus includes a second electrode disposed on the plurality of light-emitting elements. The second electrode includes a first area disposed on the plurality of light-emitting elements and a second area extending outward from the first optical layer and electrically connected to the contact electrode. A plurality of signal wires connected to the plurality of first electrodes are provided, the second area of the second electrode comprises protruding portions extending to at least one of areas between the plurality of signal wires, and one of the protruding portions is connected to the contact electrode.

Abstract: A display device includes a plurality of first electrodes and a contact electrode on a substrate; a plurality of light-emitting elements on the plurality of first electrodes; a first optical layer between the plurality of light-emitting elements; and a second electrode on the plurality of light-emitting elements, the second electrode including a first region that is on the plurality of light-emitting elements and a second region that extends past an end the first optical layer and is in contact with the contact electrode.

Abstract: An air foil bearing includes a sleeve that defines a hollow portion having an irregular curvature, where the hollow portion is configured to receive a rotor, a bump foil that is disposed at an inner peripheral surface of the sleeve, and a top foil that is disposed at the bump foil.

Abstract: A display device according to the invention includes: a display panel and a driving chip mounted on the display panel. The display panel includes: a base layer, pixels, signal lines, fan-out lines, and a selection circuit. The base layer includes a first region, a second region bent with respect to a bending axis, and a third region adjacent to the second region. The pixels are arranged in the first region, and the signal lines are arranged in the first region and connected to the pixels. The fan-out lines are arranged in the second region and connected to the signal lines. The selection circuit is arranged between the fan-out lines and the driving chip in the third region and connected to the fan-out lines and the driving chip.

Abstract: A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R1, R2, R3, X1, X2, and Ar1 are as provided herein.

Abstract: Provided is a method for determining whether a post-consumer recycled (PCR) resin is an easily extrudable PCR resin by adding the PCR resin to a capillary rheometer and quantifying a volume value measured when a pressure is increased to a certain level, which is a method for providing determination information of the easily extrudable PCR resin.

Abstract: Disclosed, in an embodiment, is a motor comprising: a stator; a rotor disposed inside the stator; a shaft coupled to the rotor; and a bus bar disposed on the stator. The bus bar includes a bus bar holder and a plurality of terminals disposed on the bus bar holder. Each of the terminals includes a body disposed in the bus bar holder, an extension part extending inwardly from the body, and a protrusion part protruding in the axial direction from the end of the extension part. The body, the extension part, and the protrusion part are integrated. The body of each of the terminals is disposed on the same virtual plane, and the protrusion part of each of the terminals is disposed so as to be exposed from the bus bar holder.

Abstract: Silicon etching compositions are described and may be used for selectively etching silicon with respect to a silicon insulating film. In particular, the silicon etching compositions can be used to improve the selective etching ratio of silicon from the surface of a semiconductor on which a silicone oxide film and silicon are exposed.

Abstract: The present invention provides a motor including a shaft, a rotor coupled to the shaft, and a stator disposed outside the rotor, wherein the stator includes a stator core, insulators disposed on the stator core, coils disposed on the insulators, and insulating members disposed between the insulators in a circumferential direction, the insulator includes a body on which the coil is disposed and a guide extending from one side of the body, the guide includes a protrusion protruding from an inner circumferential surface toward a center of the stator, and a lower portion of the protrusion includes a first inclined surface.

Abstract: Silicon etching compositions are described and may be used for selectively etching silicon with respect to a silicon insulating film. In particular, the silicon etching compositions can be used to improve the selective etching ratio of silicon from the surface of a semiconductor on which a silicone oxide film and silicon are exposed.

Abstract: A method of manufacturing a patterned film includes forming a first film including a semiconductor nanoparticle and an additive, wherein the additive includes a polythiol compound, the semiconductor nanoparticle includes an organic ligand (for example, on a surface thereof), and the organic ligand includes a first functional group bonded to the surface of the semiconductor nanoparticle and a carbon-carbon unsaturated bond; exposing a portion of the first film to a radiation to cause a change in a solubility of the semiconductor nanoparticle in the exposed area with respect to a first solvent; contacting the radiation treated film with the first solvent to remove at least a portion of an unexposed area of the radiation treated film to obtain a patterned film. A light emitting device includes such a patterned film as a light emitting layer.

Abstract: A system for tracking a moving vehicle body applies a dynamic projection mapping technique utilizing a high-speed projector. The system includes a tracker configured to track a vehicle body of a vehicle to generate vehicle body position information, a quality inspector configured to generate surface quality information of the vehicle, a matcher configured to generate mapping information in which the vehicle body position information and the surface quality information are mapped, and an indicator configured to display the mapping information on a surface of the vehicle body of the vehicle.

Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.

Abstract: A display apparatus is disclosed that includes a data driver, a demux circuit, a first wiring mixing structure, a second wiring mixing structure, a display panel and a bending area. The data driver includes first to fourth output amplifiers. The demux circuit is configured to branch the first to fourth output amplifiers to first to eighth output lines through demux switching. The first wiring mixing structure is connected to the demux circuit. The second wiring mixing structure is connected to the first wiring mixing structure. The display panel includes data lines connected to the second wiring mixing structure. The bending area is disposed between the display panel and the data driver. The demux circuit is disposed between an integrated circuit area of the data driver and the bending area. The bending area includes a bending line for folding elements toward a rear surface of the display panel.

Abstract: A method for simulating sharpness of an image boundary including setting a boundary pattern including a boundary line between black and white, and a unit pattern including arrangement information of pixels; calculating simulation grayscale data for implementing the boundary pattern by using the unit pattern; and obtaining a sharpness index for the boundary line based on a contrast sensitivity function (CSF) and brightness data extracted from the simulation grayscale data.

Abstract: The present invention relates to a composition, a fiber or a fragrance composition for improving cognitive ability or memory ability, containing a fermented Perilla frutescens extract. In addition, the present invention relates to a composition for preventing, alleviating or treating cognitive ability- or memory ability-related diseases, containing a fermented Perilla frutescens extract. Furthermore, the present invention relates to a method for treating cognitive ability- or memory ability-related diseases, comprising a step of administering a fermented Perilla frutescens extract to a patient with a cognitive ability- or memory ability-related disease. Compared to an unfermented Perilla frutescens extract, a fermented Perilla frutescens extract of the present invention significantly increases cognitive ability or memory ability, thereby being effectively usable as a composition for improving cognitive ability or memory ability.

Abstract: A display device includes: a demux circuit portion including: a first transistor including a part of a first lower gate pattern, a second transistor including a part of a second lower gate pattern, a first control line connected to the first lower gate pattern and supplying a first lighting test control signal or a first demux control signal, and a second control line connected to the second lower gate pattern and supplying a second lighting test control signal or a second demux control signal, and a lighting circuit portion connected to the demux circuit portion and including: a third transistor including another part of the first lower gate pattern and receiving the first lighting test control signal or the first demux control signal, and a fourth transistor including another part of the second lower gate pattern and receiving the second lighting test control signal or the second demux control signal.

Abstract: A display device including: a substrate; a plurality of light-emitting elements on the substrate; and a touch sensing layer disposed on the plurality of light-emitting elements, wherein the touch sensing layer includes: a first touch conductive layer; a first insulating layer disposed on the first touch conductive layer; and a second touch conductive layer disposed on the first insulating layer, and wherein the first insulating layer includes a light-converting material that converts light into near-infrared light.

Abstract: A display device includes a first pixel including a first emission area formed to emit light having a first color in a third direction, a second pixel including a second emission area formed to emit light having a second color different from the first color, a first partition wall in which a first opening overlapping the first emission area in a plan view is defined, a second partition wall in which a second opening overlapping the second emission area in the plan view is defined, and a first layer covering the first partition wall and the second partition wall. The first partition may be provided with a first height in the third direction. The second partition wall may be provided with a second height different from the first height.