Abstract: A method for fabricating a light emitting element includes preparing a substrate, and forming a first semiconductor material layer, a light emitting material layer, a second semiconductor material layer and an electrode material layer on the substrate, forming semiconductor rods spaced apart from each other by etching the first semiconductor material layer, the light emitting material layer, the second semiconductor material layer and the electrode material layer in a direction perpendicular to an upper surface of the substrate, forming an insulating layer surrounding sides of the semiconductor rods through a sol-gel process by immersing the substrate, including the semiconductor rods, in a solution containing a precursor material, and forming light emitting elements by separating the semiconductor rods, including the insulating layer, from the substrate, and the light emitting elements have an external quantum efficiency of 20.2±0.6%.

Abstract: The present disclosure provides a display device and a method of manufacturing a display device. A display device according to one embodiment of the present specification may include a substrate including a display area and a non-display area around the display area, a signal line located in the display area, a test pad located in the non-display area, and a connection line located in the non-display area and configured to electrically connect the test pad and the signal line. The test pad may include a bank, a first layer, which is the connection line, disposed on the bank, a photoresist layer disposed on the first layer and including a pattern area, and a second layer disposed on the photoresist layer. The pattern area may have a positive taper cross-section, and the first layer and the second layer are in contact with each other in the pattern area.

Abstract: A test element may include a base layer, a bank on a portion of the base layer, a first layer on the base layer and on the bank, a photoresist layer on the first layer, the photoresist layer including a patterned area; and a second layer positioned on the photoresist layer. A height of a first area of the first layer on the bank may be greater than a height of a second area of the first layer on the base layer.

Abstract: A display apparatus according to an embodiment of the present specification may include a substrate including a display area including a plurality of pixels and a non-display area disposed around the display area, one or more pixel driving circuits disposed on the substrate, a plurality of inorganic light emitting diodes connected to the one or more pixel driving circuits, an optical layer disposed around the plurality of inorganic light emitting diodes, a first passivation layer disposed on the optical layer, and a trench disposed between the plurality of inorganic light emitting diodes.

Abstract: The disclosure discloses a display device including a substrate, a circuit layer disposed on the substrate, and a plurality of banks disposed on the circuit layer. A plurality of light-emitting elements is disposed on the banks, each having a first electrode and a second electrode. A contact electrode is disposed on the bank and is electrically connected to the first electrode. The contact electrode includes a contact opening. An optical layer covers side surfaces of the plurality of light-emitting elements and the contact electrode, and includes a contact hole aligned with the contact opening of the contact electrode. The contact electrode is electrically connected with the second electrode through the contact hole of the optical layer. A transparent conductive layer is not present in the region of electrical connection between the contact electrode and the second electrode. This structure improves adhesion and maintains the structural integrity of the optical layer.

Abstract: A display device may include a substrate, a plurality of inorganic light-emitting elements disposed on the substrate, a first optical layer disposed around the plurality of inorganic light-emitting elements, a second optical layer disposed on the plurality of inorganic light-emitting elements and the first optical layer, and a first passivation layer disposed on the first optical layer such that the first passivation layer is farther from the substrate than the first optical layer.

Abstract: A display device can include a substrate having a display area and a non-display area, first electrodes disposed on the substrate, a light-emitting element disposed on each of the first electrodes, and a first passivation layer disposed on the first electrode. The first electrodes can include a first driving electrode disposed in the display area and a first dummy electrode disposed in the non-display area. The first passivation layer can include a first opening disposed on the first dummy electrode.

Abstract: A display device and a method of manufacturing the same are discussed. The display device includes a substrate having a display region and a non-display region outside the display region, a plurality of pad electrodes disposed in the non-display region of the substrate, and a lower insulating layer and an upper insulating layer that cover side surfaces of the plurality of pad electrodes and include openings that expose upper surfaces of the plurality of pad electrodes.

Abstract: A display panel includes a display region and a non-display region outside the display region. In one or more examples, each of the display region and the non-display region includes a first electrode and a light-emitting element disposed on the first electrode, the display region further includes a second electrode disposed on the light-emitting element in the display region, and the non-display region further includes a dummy region including a third electrode disposed on the light-emitting element in the non-display region. In one or more aspects, the display panel improves the yield of the final product.

Abstract: A hand-held conduit bending tool includes an elongated handle and a bender head disposed on the handle. The bender head comprising a body portion having at least one curved channel therein. In an embodiment, the channel is elliptical in cross-section. A handle mount is at a rear end of the body portion and rearward of the hook portion and a foot pedal is formed. In some embodiments, two channels are provided to accommodate two differently sized conduits. Markings are provided to enable use of the tool in a head-down position and in a head-up position.

Abstract: A mother substrate for a display panel and a display panel using the same are disclosed. A mother substrate for a display panel includes a conductive ring disposed in a non-display area outside the display area and surrounding each of the display areas, and one or more dummy pixel driving circuits disposed in a non-display area outside the display area. An electrostatic discharge (ESD) prevention structure inside the dummy pixel driving circuit can prevent defects of display panels due to ESD occurring in the manufacturing process of the display panel.

Abstract: A hand-held conduit bending tool includes an elongated handle and a bender head disposed on the handle. The bender head comprising a body portion having at least one curved channel therein. In an embodiment, the channel is elliptical in cross-section. A handle mount is at a rear end of the body portion and rearward of the hook portion and a foot pedal is formed. In some embodiments, two channels are provided to accommodate two differently sized conduits. Markings are provided to enable use of the tool in a head-down position and in a head-up position.

Abstract: A mother substrate for a display panel and a display panel using the same are disclosed. A mother substrate for a display panel includes a conductive ring disposed in a non-display area outside the display area and surrounding each of the display areas, and one or more dummy pixel driving circuits disposed in a non-display area outside the display area. An electrostatic discharge (ESD) prevention structure inside the dummy pixel driving circuit can prevent defects of display panels due to ESD occurring in the manufacturing process of the display panel.

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: A display device including a liquid crystal layer is provided. The liquid crystal layer may be disposed between a first substrate and a second substrate. The liquid crystal layer overlapping with a display area may be surrounded by a seal member disposed on a bezel, which is disposed outside the display area. A black matrix between the liquid crystal layer and the second substrate may include first openings in the display area and at least one second opening disposed between the display area and the seal member. A dummy color pattern between the first substrate and the liquid crystal layer may include a region overlapping with the second opening of the black matrix and a region disposed between the display area and the second opening.

Abstract: The present invention relates to a novel compound having a histone deacetylase 6 (HDAC6) inhibitory activity, stereoisomers thereof, pharmaceutically acceptable salts thereof, a use thereof in the manufacture of a medicament, a pharmaceutical composition comprising the same, a preventive or therapeutic method thereof, and a method for preparing novel 1,3,4-oxadiazole triazol, wherein a novel compound having a selective HDAC6 inhibitory activity is represented by following formula I.

Abstract: A display device may include a substrate, a display area, a non-display area, a bending area, a connection wire area, a pad part, and a first area included in the pad part. The first area may include: a first insulating layer disposed on the substrate; a first connection wire disposed on the first insulating layer; a second connection wire disposed on the first connection wire; a second insulating layer disposed on the second connection wire; a third connection wire disposed on the second insulating layer; and a fourth connection wire disposed on the third connection wire.

Abstract: A display device includes a substrate; a plurality of light-emitting elements arranged in each of a plurality of transfer areas on the substrate; and a black matrix having a plurality of transmissive holes each corresponding to one of the plurality of light-emitting elements, wherein the plurality of transfer areas include a first transfer area and a second transfer area arranged adjacent to each other, the black matrix includes a first area corresponding to the first transfer area and a second area corresponding to the second transfer area, the first area and the second area are arranged adjacent to each other based on a virtual boundary line, the first area includes a first transmissive hole disposed at a first distance from the virtual boundary line and a second transmissive hole disposed at a second distance from the virtual boundary line, and a size of the first transmissive hole is larger than a size of the second transmissive hole.

Abstract: The present disclosure provides a display device that includes an insulating layer disposed on a substrate. The display device further includes a plurality of first electrodes and contact electrodes disposed on the insulating layer. The display device further includes a plurality of light-emitting elements disposed on the plurality of first electrodes. The display device further includes a second electrode disposed on the plurality of light-emitting elements. The display device further includes a passivation layer covering the first electrode. The display device further includes a first opening hole at the passivation layer. The first opening hole extends through the passivation layer. The passivation layer has a first opening hole exposing a portion of an upper surface of the first electrode.

Abstract: An embodiment of the present specification discloses a display device including a display panel including a display area and a non-display area adjacent to the display area and a metal dam disposed in the non-display area to surround at least three surfaces of the display panel. The display panel includes a substrate, a pixel driving circuit disposed on the substrate, and a light emitting element driven by the pixel driving circuit, the metal dam may be spaced a selected distance from an edge of the display panel, the metal dam may be formed of a plurality of metal layers connected through at least one hole, and the metal dam may include a first metal dam, a second metal dam, and a third metal dam that are disposed in the non-display area while surrounding at least three surfaces of the display area.