Abstract: A display device includes: a substrate including a display area and a non-display area surrounding a through-hole; a bank structure positioned on the display area of the substrate, and defining an opening; a light emitting element overlapping the opening; and a pattern structure positioned on the non-display area and between the bank structure and the through-hole. The pattern structure includes a first pattern dam and a second pattern dam spaced apart from each other with a recess portion defined therebetween, the recess portion being recessed toward the substrate, the first pattern dam includes a first pattern layer and a second pattern layer, which include their respective conductive materials different from each other, and a side of the second pattern layer, which is directed toward the recess portion, is more protruded toward the recess portion than a side of the first pattern layer, which is directed toward the recess portion.

Abstract: A display device includes a substrate including an emission area and a non-emission area; a via layer disposed on the substrate and including a recess toward the substrate; a pixel-defining layer overlapping the non-emission area and disposed on the via layer; a first bank layer disposed on the pixel-defining layer and defining a first opening; a second bank layer disposed on the first bank layer and including a tip protruding toward the first opening from a side surface of the first bank layer; a first pixel electrode overlapping the recess of the via layer and disposed on the substrate; a first emissive layer disposed on the first pixel electrode in the first opening; and a first common electrode disposed on the first emissive layer in the first opening and in contact with the first bank layer.

Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.

Abstract: A display device includes anode electrodes in a display area, an inorganic insulating layer in the display area and partially on the anode electrode, a bank structure on the inorganic insulating layer, with openings overlapping the anode electrodes, light emitting layers on the anode electrodes and in the openings, cathode electrodes on the light emitting layers and in the openings, a first power line in a non-display area, and a conductive layer including an oxide semiconductor. A portion of the conductive layer in the non-display area is between the first power line and the display area. The bank structure is on the conductive layer in the non-display area with hole patterns defined further through the conductive layer, the bank structure includes first and second bank layers including different metal materials, respectively, and a portion of the first bank layer is directly on the conductive layer in the non-display area.

Abstract: A display device includes: a display area and a non-display area; anode electrodes in the display area; an inorganic insulating layer on the anode electrodes; a bank structure on the inorganic insulating layer, and including openings overlapping with the anode electrodes; light emitting layers on the anode electrodes and in the openings; cathode electrodes on the light emitting layers and in the openings; a first power line in the non-display area; and a power connection electrode including through portions partially overlapping with the first power line, and between the first power line and the display area. The bank structure includes: hole patterns on the power connection electrode in the non-display area, and overlapping with the through portions; a first bank layer; and a second bank layer on the first bank layer. The second bank layer includes a tip protruding from a sidewall of the first bank layer.

Abstract: A display includes a substrate, a first electrode base layer and a second electrode base layer spaced from each other on the substrate, a first electrode on the first electrode base layer and a second electrode on the second electrode base layer, a first inner bank between the first electrode base layer and the first electrode and a second inner bank between the second electrode base layer and the second electrode, and a light emitting element between the first electrode and the second electrode, at least one end portion of the light emitting element being electrically connected to the first electrode or the second electrode, wherein a side surface of one end portion of each of the first and second electrode base layers is at the same line as a side surface of an end portion of a corresponding one of the first and second electrodes.

Abstract: Provided is a method for welding an electrode assembly comprising stacking a plurality of electrodes to manufacture the electrode assembly, attaching a buffer tab to a surface of an outermost electrode tab of the electrode assembly, and welding a lead such that a plurality of electrode tabs and the lead are in contact with each other to dispose the buffer tab therebetween. The electrode assembly comprises the stacked plurality of electrodes comprising the lead welded to the plurality of electrode tabs, and each electrode tab of the plurality of electrode tabs protrudes in one direction from the plurality of electrodes. The buffer tab may be attached, before the welding, to the surface of the outermost electrode tab to minimize or prevent damage to the electrode tab due to pressure applied by a welding rod.

Abstract: A method of culturing high-purity, highly active natural killer cells of which expression of anti-cancer-related gene is regulated, and use thereof for anticancer immunotherapy are provided. In the natural killer cells, the expression of anticancer related genes is significantly increased or decreased before and after culture. The natural killer cells have the unique characteristics thereof, and remarkably high activity and proliferation fold. Therefore, the natural killer cells can be used for effective anticancer immunotherapy.

Abstract: A method of manufacturing a display device may include sequentially forming a first conductive layer, a second conductive layer including copper (Cu), a third conductive layer, and a fourth conductive layer on a substrate, patterning the first conductive layer, the second conductive layer, the third conductive layer, and the fourth conductive layer together to form a conductive pattern including a first layer, a second layer, a third layer, and a fourth layer sequentially on the substrate, removing the fourth layer of the conductive pattern, forming a protective layer covering at least a sidewall of the conductive layer on the substrate, and forming a display element on the protective layer.

Abstract: An ultrasonic welding device for a secondary battery is provided. The ultrasonic welding device is configured to weld an overlapping surface of an electrode tab and an electrode lead in an electrode assembly. The ultrasonic welding device includes an anvil on which the overlapping surface of the electrode tab and the electrode lead are disposed. A horn is configured to apply ultrasonic waves to the overlapping surface of the electrode tab and the electrode lead while pressing the overlapping surface. The overlapping surface is disposed on the anvil. An electrode tab measuring part is configured to measure a thickness of the electrode tab disposed on the overlapping surface. A pressure adjusting device is configured to adjust a pressure applied to the overlapping surface by the anvil and the horn according to the thickness value of the electrode tab. The thickness value is measured by the electrode tab measuring part.

Abstract: An ultrasonic welding device includes an anvil provided so that an overlapping surface of an electrode tab and an electrode lead, which are provided in an electrode assembly, are configured to be disposed thereon; a horn configured to weld the overlapping surface disposed on the anvil; and an inspection member configured to inspect a horizontal level of an opposing member with respect to the overlapping surface, based on an overlapping surface horizontal value that is a horizontal value of the overlapping surface with respect to a predetermined reference surface and an opposing horizontal value that is a horizontal value of the opposing member, which is one of a welding part of the horn configured to face the overlapping surface and a disposing part of the anvil, on which the overlapping surface is configured to be disposed, with respect to the predetermined reference surface.

Abstract: A pixel includes: an emission area and a non-emission area; a via layer including a lower surface and an upper surface, the via layer including a first part having a first thickness, and a second part having a second thickness; a first alignment electrode and a second alignment electrode on the via layer and spaced from each other; an insulating layer on the via layer, the first alignment electrode, and the second alignment electrode, the insulating layer having a planar surface; a first electrode and a second electrode in the emission area and spaced from each other; and light emitting elements on the planer surface of the insulating layer in the emission area, and electrically connected to the first electrode and the second electrode. The first and second alignment electrodes may be on the second part of the via layer and overlap the second part of the via layer.

Abstract: Provided are display device and method of fabricating the same. The display device comprises a substrate, a first semiconductor layer, a first gate insulating layer, a first gate electrode dispose, a first interlayer insulating layer, a first oxide semiconductor layer, a second gate insulating layer and a second gate electrode sequentially disposed on the substrate, spacers disposed on side surfaces of the second gate electrode, and a second interlayer insulating layer disposed on the spacers, wherein each of the spacers comprises a first spacer disposed to contact a side surface of the second gate electrode and a second spacer disposed on the first spacer. A concentration of hydrogen included in the first spacer is lower than a concentration of hydrogen included in the second spacer.

Abstract: The present technology relates to a method of inspecting a welding defect. The method includes: manufacturing an electrode assembly sample by welding an electrode lead on an electrode tab formed on an electrode assembly; measuring a tensile strength, a torsional strength and a peeling strength of a welded portion between the electrode tab and the electrode lead for the electrode assembly sample; deriving correlation between whether there is a welding defect and each of the tensile strength, the torsional strength, and the peeling strength; and deriving a reference value for determining whether there is a welding defect for the tensile strength, the torsional strength, and the peeling strength, respectively.

Abstract: A display device may include a conductive pattern disposed on a substrate. A passivation layer may be disposed on the conductive pattern. A first shielding electrode and a second shielding electrode that may be disposed on the passivation layer may be spaced apart from each other. A first electrode may be disposed on the first shielding electrode. A second electrode may be disposed on the second shielding electrode. A light emitting element may be electrically connected between the first electrode and the second electrode. A first distance between the first shielding electrode and the second shielding electrode may be less than a second distance between the first electrode and the second electrode.

Abstract: The present invention relates to a method for inspecting a welding quality of an electrode tab-electrode lead welded portion of a pouch-type lithium secondary battery, and the method includes: recognizing welding traces of the welded portion by a vision inspection device; measuring a size of each of the recognized welding traces; and determining whether the welded portion has been weakly welded, excessively welded or normally welded by comparing the measured size with a reference value.

Abstract: A display device includes a display area and a pad area, a first electrode and a second electrode disposed on a substrate in the display area, the first electrode and the second electrode being spaced apart from each other, a transistor disposed on the substrate in the display area, the transistor being electrically connected to the first electrode, and including a first transistor electrode and a second transistor electrode; a light emitting element disposed on the first electrode and the second electrode; and a pad structure disposed on the substrate in the pad area, the pad structure including a first pad pattern and a second pad pattern which is disposed on the first pad pattern and is electrically connected to the first pad pattern.

Abstract: A display device includes a substrate including a display area and a non-display area around the display area; and a display element layer on the substrate. The display element layer may include first and second electrodes extending in a first direction and spaced apart from each other in a second direction that is different from the first direction; a first light emitting element electrically coupled to the first and second electrodes; a first dummy electrode extending in the first direction and spaced apart from the first and second electrodes; second dummy electrodes spaced apart from each other in the first direction and spaced apart from the first electrode, the second electrode, and the first dummy electrode; and a second light emitting element electrically coupled to the first dummy electrode and the second dummy electrodes.

Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.

Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.