Abstract: A display device prevents cracks from spreading to an active area. The display device includes a substrate including an active area and a non-active area having a bending area, a thin-film transistor disposed in the active area, a light-emitting element disposed in the active area and connected to the thin-film transistor, an encapsulation layer disposed on the light-emitting element, a touch sensor disposed on the encapsulation layer, a touch pad disposed in the non-active area, a first routing line connecting the touch sensor to the touch pad via a second routing line in the bending area, and a crack prevention layer disposed on the second routing line in the bending area. Thus, the crack prevention layer is capable of preventing the occurrence of cracks in the bending area BA, thus preventing cracks from spreading to the active area AA.

Abstract: A touch display device includes a display unit including a plurality of pixels disposed in an active area, an encapsulation unit disposed on the display unit, the encapsulation unit being configured to seal the plurality of pixels, and a touch sensor unit including an organic buffer layer disposed on the encapsulation unit and a plurality of touch sensors disposed on the organic buffer layer in the active area, wherein the end of the organic buffer layer and the end of the encapsulation unit are disposed in a bezel area adjacent to the bezel area so as to have a stepped end profile, and a plurality of touch routing lines connected to the plurality of touch sensors of the touch sensor unit and disposed in the bezel area is disposed along the stepped end profile of the end of the organic buffer layer and the end of the encapsulation unit.

Abstract: The present disclosure relates to a portable air purifier. In the portable air purifier, a fan base is disposed between a fan module including a mixed flow fan and a filter, and forms a passage that connects between the filter and the fan module while coupling the filter and the fan module. Accordingly, the portable air purifier can ensure improvement in air purification performance with no increase in the size of the portable air purifier.

Abstract: The present disclosure relates to a portable air purifier and the fan module provided therin. In the disclosed invention, the portable air purifier includes a fan module that is disposed between a discharge surface and a filter, and suctions air having passed through the filter, in an axial direction, and discharges the air in a direction between the axial direction and a radial direction.

Abstract: The present exemplary embodiments relate to a positive electrode active material and a lithium secondary battery including the same. The positive active material for a lithium secondary battery according to an exemplary embodiment includes lithium metal oxide particles including lithium, nickel, cobalt, manganese and doping elements, and includes a first domain and a second domain inside the lithium metal oxide particles.

Abstract: Provided are a positive electrode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery including the same. According to an exemplary embodiment, a positive electrode active material for a lithium secondary battery which includes lithium metal oxide particles and a coating layer placed on at least a part of a surface of the lithium metal oxide particles may be provided, wherein the coating layer includes B, LiOH, Li2CO3, and Li2SO4.

Abstract: The present exemplary embodiments relate to a positive electrode active material, a manufacturing method thereof, and a lithium secondary battery including the same. A positive active material for a lithium secondary battery according to an exemplary embodiment is a lithium metal oxide particle in the form of secondary particles including a plurality of primary particles: a first coating layer positioned on at least a part of the surface of the primary particle, and a second coating layer positioned over at least a portion of the secondary particle surface, the first coating layer comprising a first niobium compound, the second coating layer comprising the first niobium compound and a second niobium compound having a composition different from the first niobium compound.

Abstract: Embodiments of the present invention relate to a cathode active material, a method for manufacturing the same, and a lithium secondary battery including the same. According to an embodiment, a cathode active material can be provided, the cathode active material comprising: a lithium metal oxide including a core and a shell disposed on a surface of the core; and a coating layer disposed on a surface of the lithium metal oxide, wherein a c value that satisfies Equation 1 and is in a range of 0.3 to 0.7, and the core and the shell have a layered crystalline structure.

Abstract: The inventive concept provides an inkjet printing method. The inkjet printing method for discharging an ink on a substrate using a head having a plurality of nozzles formed thereon includes determining a grade of nozzles by measuring a discharge performance of the nozzles, which is a grading step; selecting a use nozzle that can participate in printing the substrate among the nozzles based on the grade determined at the grading step, which is a nozzle selecting step; and discharging the ink on the substrate using at least one nozzle among use nozzles, which is a printing step.

Abstract: A touch display device for preventing deterioration in image quality is structured such that a plurality of touch sensors is disposed on an encapsulation unit encapsulating a light-emitting element and includes a driving signal line, which includes a first driving signal line disposed below the encapsulation unit and a second driving signal line disposed above the encapsulation unit so as to be in contact with the first driving signal line to reduce line resistance of the driving signal line, thereby preventing deterioration in image quality.

Abstract: An apparatus and method for manufacturing a display device are provided. The apparatus for manufacturing the display device, includes: a stage, and an ejection head including an ejection outlet, which is open upward in a first direction. The ejection head is disposed under the stage and configured to move in a second direction, which intersects the first direction. “upward in the first direction” is opposite to a direction of gravity.

Abstract: Disclosed herein are an emergency operating system and an emergency operating method for a hybrid vehicle with a damaged bearing of an engine, which are capable of preventing a bearing from being further damaged due to a drive motor and a hybrid starter and generator (HSG) when damage to the bearing installed in an engine is detected and capable of driving the hybrid vehicle and which include a bearing damage detection operation, an engine driving maintaining operation, a first state of charge (SOC) comparison operation, and a first emergency operating operation.

Abstract: A solar charging system for the vehicle includes a first photovoltaic (PV) module, a second PV module serially connected to the first PV module, and a differential power processing (DPP) transformer that converts power generated from the first PV module and the second PV module by using a magnetic body having a multi-winding structure.

Abstract: An etchant composition includes: an inorganic acid compound at 9.0 wt % to 9.9 wt %; an inorganic salt compound at 5.0 wt % to 10.0 wt %; an organic acid compound at 35 wt % to 45 wt %; a lactate-based compound at 10 wt % to 20 wt %; a nitrogen cyclic compound containing oxygen at 0.1 wt % to 1.0 wt %; and a remaining amount of water such that a total weight of the etchant composition is 100 wt %, wherein the inorganic acid compound is an etchant composition having an acid dissociation constant (pKa) value of ?1.0 to ?3.0.

Abstract: A touch display device for preventing deterioration in image quality is structured such that a plurality of touch sensors is disposed on an encapsulation unit encapsulating a light-emitting element and includes a driving signal line, which includes a first driving signal line disposed below the encapsulation unit and a second driving signal line disposed above the encapsulation unit so as to be in contact with the first driving signal line to reduce line resistance of the driving signal line, thereby preventing deterioration in image quality.

Abstract: A memory device includes a buffer die configured to receive a first broadcast command and a second broadcast command from an external device; and a plurality of core dies stacked on the buffer die. The plurality of core dies include: a first core die including a first processing circuit, a first memory cell array, a first command decoder configured to decode the first broadcast command, and a first data input/output circuit configured to output data of the first memory cell array to a common data input/output bus under control of the first command decoder; and a second core die including a second processing circuit, a second memory cell array, a second command decoder configured to decode the second broadcast command, and a second data input/output circuit configured to receive the data of the first memory cell array through the common data input/output bus under control of the second command decoder.

Abstract: A cathode active material for a lithium secondary battery includes a nickel-based lithium metal oxide particle doped with Zr and Al. The nickel-based lithium metal oxide particle includes a core portion having a constant molar content of nickel, and a shell portion surrounding an outer surface of the core portion and having a concentration gradient in which a molar content of nickel gradually decreases in a direction from an interface with the core portion to an outermost periphery. The core portion and the shell portion are doped with Al and Zr.

Abstract: The present disclosure relates to a display device for improving productivity. The display device having a touch sensor is configured such that the total thickness of at least one inorganic insulation layer disposed on the region above each of dams is different from the total thickness of the at least one inorganic insulation layer disposed on a trench region between the dams. Thus, a photoresist for forming a routing line is formed so as to have a uniform thickness on the region above each of the dams and the trench region between the dams, and thus productivity is improved.

Abstract: A touch display device includes a display unit including pixels disposed in an active area, an encapsulation unit disposed on the display unit, and a touch-fingerprint fusion sensor unit having a touch sensor function and a fingerprint sensor function in the active area on the encapsulation unit. The touch-fingerprint fusion sensor unit includes first fingerprint sensor electrodes disposed in a fingerprint sensor area on the encapsulation unit, a first touch insulating layer disposed on the first fingerprint sensor electrodes, second fingerprint sensor electrodes disposed in the fingerprint sensor area on the first touch insulating layer, a second touch insulating layer disposed on the second fingerprint sensor electrodes, and a plurality of first and second touch electrodes disposed on the second touch insulating layer. The first fingerprint sensor electrodes, the second fingerprint sensor electrodes, and the first and second touch electrodes overlap the non-emissive area.

Abstract: An etching composition for a silver-containing thin film includes an inorganic acid compound, a carboxylic acid compound, a sulfonic acid compound, a glycol compound, a nitrogen-containing dicarbonyl compound, a metal-based oxidizer, and water.