Abstract: The present invention relates to a solution composition capable of improving pitting corrosion resistance and blackening resistance of a steel sheet, a steel sheet surface-treated using same, and a method for manufacturing the steel sheet.

Abstract: A display device includes a pixel circuit part including a first oxide semiconductor layer, a first gate driver electrically connected to the pixel circuit part, and including a second oxide semiconductor layer at a same layer as the first oxide semiconductor layer, and a first line part electrically connected to the first gate driver, and defining at least one first dummy contact hole adjacent to the second oxide semiconductor layer.

Abstract: The present invention relates to a conjugated polymer compound for a polymer solar cell donor represented by the following chemical formula 1 and a polymer solar cell comprising same: (in chemical formula 1 above, n is an integer greater than or equal to 2, Ar1 and Ar2 are each independently substituted or unsubstituted thienylene, substituted or unsubstituted thieno[3,2-b]thiophene, or a bond, R1 is substituted or unsubstituted 2-thienyl or substituted or unsubstituted phenyl, R2 is hydrogen or fluorine, and R3 is 2-ethylhexyl).

Abstract: A display device includes a substrate including sub-pixel circuit areas that are arranged in m rows and n columns, where m and n are positive integers, first gate lines extending in a row direction, data lines extending in a column direction, initialization power lines extending in the row direction, including first power lines disposed in sub-pixel circuit areas of odd rows and receiving a first initialization voltage and second power lines disposed in sub-pixel circuit areas of even rows and receiving a second initialization voltage, and transmission lines extending in the column direction, including first transmission lines disposed in sub-pixel circuit areas of odd columns and receiving the first initialization voltage from the first power lines and second transmission lines disposed in sub-pixel circuit areas of even columns and receiving the second initialization voltage from the second power lines.

Abstract: The present invention relates to a hydroxylphenyl-terminated polysiloxane, a polysiloxane-polycarbonate copolymer comprising the same as repeating unit, and a method for preparing the copolymer, and more specifically, a polysiloxane of a specific structure having terminal silane unit comprising optionally substituted hydroxylphenyl group, and a polysiloxane-polycarbonate copolymer which comprises the polysiloxane and a polycarbonate block as repeating units, and thereby shows the same or more excellent transparency and significantly further improved flame retardancy as compared with the level of conventional polysiloxane-polycarbonate copolymer, and a method for preparing the same.

Abstract: A display device including a first sensor part that includes a first trunk portion, a first branch portion connected to the first trunk portion and extending in a direction different from a first direction and a second direction, a second branch portion spaced apart from the first branch portion, and a bridge connecting the first branch portion to the second branch portion. A second sensor part includes a second trunk portion extending in the second direction, and a third branch portion disposed between the first branch portion and the second branch portion.

Abstract: The present disclosure relates to a novel cross-linking compound and a polymer using the same. More particularly, the present disclosure relates to a novel cross-linking compound that does not cause thermal decomposition at one end and thus prevents in advance the generation of volatile substances and decomposition products, and a polymer prepared using the same.

Abstract: A display device includes a substrate including a display area and a first non-display area around the display area; a light emitting element on the display area of the substrate in the display area; a lower inorganic encapsulation film on the substrate in the display area and the first non-display area; an organic encapsulation film on the lower inorganic encapsulation film; an upper inorganic encapsulation film on the organic encapsulation film; and a first dam between the lower inorganic encapsulation film and the upper inorganic encapsulation film in the first non-display area, wherein a first side surface of the first dam is in contact with the organic encapsulation film, and a second side surface of the first dam different from the first side surface of the first dam is in contact with the upper inorganic encapsulation film.

Abstract: A method for refining waste plastic pyrolysis oil is provided, including: applying a voltage to a first mixed solution obtained by mixing waste plastic pyrolysis oil, washing water, and a demulsifier to dehydrate the first mixed solution to form a dehydrated first mixed solution; and hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution dehydrated and a sulfur source to produce refined oil from which impurities have been removed, and a device related thereto. The method and device may prevent or minimize formation of an ammonium salt (NH4Cl) and/or prevent adhesion of impurity particles in a refining process of waste plastic pyrolysis oil containing impurities such as chlorine and nitrogen, and provides waste plastic pyrolysis oil having low content of impurities and olefins and excellent quality, and thus, may be used as a feedstock for blending with existing petroleum products or oil refining and petrochemical processes.

Abstract: A display device includes: a substrate including first to third light emitting areas, which emit light of different colors, respectively, a light emitting element layer on the substrate and overlapping the first to third light emitting areas, a first light control pattern on the light emitting element layer and overlapping the first light emitting area, where the first light control pattern includes a first base resin and first quantum dots dispersed therein, a second light control pattern on the light emitting element layer and overlapping the second light emitting area, a third light control pattern on the light emitting element layer and overlapping the third light emitting area, and a bank layer between the first and third light control patterns and including a part inclined at an angle toward the third light control pattern. The bank layer surrounds the first, second, and third light control patterns in a plan view.

Abstract: The present invention relates to: a method form preparing highly differentiated kidney organoids; and the like. The present applications have developed two protocols for preparing kidney organoids by arranging stem cells between kidney decellularized extracellular matrix and Matrigel and uniquely treating same with a composition for differentiating kidney organoids, and has identified that these protocols promote the formation of a vascular network and promote glomerular vascularization in kidney organoids, and also have the excellent effect of maturating kidney organoids, and thus it is expected that kidney organoids according to the present invention can be effectively usable in disease modeling, drug screening, regenerative medicine, and the like.

Abstract: A display device including: a substrate; a first electrode on the substrate; a pixel defining layer having a pixel opening, wherein the first electrode is in the pixel opening; a light emitting layer in the pixel opening; a second electrode on the light emitting layer and the pixel defining layer; an encapsulation layer on the second electrode; a first sensing electrode part on the encapsulation layer; a first sensing insulating layer on the first sensing electrode part; a second sensing electrode part and a reflective layer positioned on the first sensing insulating layer; and a first light blocking layer and a second light blocking layer on the first sensing insulating layer; wherein at least a portion of a lower surface of the reflective layer is inclined.

Abstract: The present invention relates to: an organ-on-a-chip for mimicking kidney tissue in which renal tubular epithelial cells and renal fibroblasts are co-cultured; a method for manufacturing the organ-on-a-chip; a device for co-culturing three types of cells; and a method for screening for renal fibrosis therapeutic agents by using the organ-on-a-chip. A kidney-on-a-chip according to one embodiment of the present invention has the excellent effects of enabling the time and errors required in screening for renal fibrosis therapeutic agents to be minimized and renal fibrosis therapeutic agents to be more conveniently and simply screened for through an objective evaluation index.

Abstract: The present invention relates to a method for freezing and/or freeze-drying mitochondria isolated from cells, and a use of frozen and/or freeze-dried mitochondria. The frozen mitochondria according to the present invention showed similarity to non-frozen mitochondria in terms of anti-inflammatory activity and activity of energy metabolism-related enzymes. Also, the freeze-dried mitochondria showed similar levels of anti-inflammatory activity, activity of energy metabolism-related enzymes, and long-term preservation efficacy after recovery to those in the mitochondria before freeze-drying. Therefore, allowing isolated mitochondria to find a wide spectrum of applications in the treatment of various diseases caused by mitochondrial dysfunction or impairment, the frozen and/or freeze-dried mitochondria according to the present invention is expected to greatly enhance the commercial availability of therapeutics containing mitochondria.

Abstract: An MXene or a derivative thereof, on which nitrous oxide reductase is immobilized, wherein the MXene has a formula of Mn+1XnTs, wherein M is a transition metal of Groups 3, 4, 5, 6, or a combination thereof, of the Periodic Table of the Elements, X is carbon, nitrogen, or a combination thereof, T is oxide, epoxide, hydroxide, C1-C5 alkoxide, fluoride, chloride, bromide, iodide, or a combination thereof, and n is 1, 2, or 3, and s is 0, 1, or 2.

Abstract: A condensed-cyclic compound represented by Formula 1A: wherein in Formula 1A, groups, substituents, and variables are the same as defined in the specification.

Abstract: Provided is a fiber composite structure including a plurality of twisted fiber bundles, wherein each of the fiber bundles includes a plurality of fiber strands, an adhesive coated on the fiber strands, and a functional particle interposed between the fiber strands. The functional particle includes a material different from that of the fiber strands. The adhesive includes polydopamine.

Abstract: Embodiments provide a fused polycyclic compound and a light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound.

Abstract: Provided is a polydopamine composite material according to the concept of the present invention, wherein the polydopamine composite material includes a substrate with first nano-protrusions formed on a surface thereof, and a polydopamine layer on the surface of the substrate. The polydopamine layer includes second nano-protrusions protruding in a direction perpendicular to the surface of the substrate.

Abstract: A semiconductor package that include first and second semiconductor chips bonded together, wherein the first semiconductor chip includes a first semiconductor substrate, a first semiconductor element layer and a first wiring structure sequentially stacked on a first surface of the first semiconductor substrate, first connecting pads and first test pads on the first wiring structure, and first front-side bonding pads, which are connected to the first connecting pads, wherein the second semiconductor chip includes a second semiconductor substrate, a second semiconductor element layer and a second wiring structure sequentially stacked on a third surface of the second semiconductor substrate, and first back-side bonding pads bonded to the first front-side bonding pads on the fourth surface of the second semiconductor substrate, and wherein the first test pads are not electrically connected to the second semiconductor chip.