Abstract: A display panel includes a first display area where first light-emitting diodes; a second display area at least partially surrounded by the first display area and where second light-emitting diodes, wherein hole regions are defined between the second light-emitting diodes in the second display area, a pixel-defining layer and a light-shielding layer include openings respectively corresponding to the hole regions, and circuit devices forming second pixel circuits and wires connected to the second pixel circuits are not provided in each of the hole regions.

Abstract: An apparatus for manufacturing a display device includes a stage, a first electric field applying module including first probe pins and disposed on a first side of the stage, a light irradiation module including light-emitting elements and disposed on the stage, and a first voltage output module that outputs an emission driving signal that drives the light-emitting elements, outputs a first alignment signal to one of the first probe pins, and outputs a second alignment signal to another one of the first probe pins.

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region.

Abstract: A pixel includes a light emitting element including an anode and a cathode, a first transistor connected between the anode and a first power line and switched by a voltage of a node, a second transistor connected between the first transistor connected to the first power line and a data line and switched by a write scan signal, a third transistor connected between the node and the anode and switched by a compensation scan signal, and an insulating layer covering the second and third transistors. A first groove is defined in a portion of the insulating layer adjacent to the third transistor.

Abstract: A display device includes a display panel having a display area, in which an image is displayed, and a non-display area, in which no image is displayed. A window overlaps the display panel. An antenna sheet is disposed between the display panel and the window. The antenna sheet includes a first antenna portion having a mesh shape, and a second antenna portion integrally connected to the first antenna portion and having a frame shape. The first antenna portion corresponds to the display area and the second antenna portion corresponds to the non-display area.

Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy: y<?3.518*ln(x)+45.59, wherein y is the concentration of the organic material, and x is the molecular weight of the organic material.

Abstract: A display device includes a substrate including a display area in which a plurality of pixels is disposed, and a non-display area in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area of the substrate. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.

Abstract: A display apparatus includes: a substrate including a display area and a peripheral area outside the display area; a first data line extending from the display area into the peripheral area; a 1-1st lower load located in the peripheral area and electrically connected to the first data line; a 1-2nd lower load located in the peripheral area and electrically connected to the 1-1st lower load; a 1-1st upper load located in the peripheral area and above the 1-1st lower load, where the 1-1st upper load is insulated from the 1-1st lower load; and a 1-2nd upper load located in the peripheral area and above the 1-2nd lower load, where the 1-2nd upper load is insulated from the 1-2nd lower load and electrically connected to the 1-1st upper load.

Abstract: A display device comprises a repair circuit, and a repair circuit connection pattern extending across a pixel and the repair circuit. Each of a first and second subpixels comprises a light emitting element, a first transistor connected thereto, and a second transistor connected to a gate electrode of the first transistor. The repair circuit comprises first and second repair transistors connected to a gate electrode of the first repair transistor. A first source/drain electrode of the first transistor of each of the first and second subpixels is connected to the power line, a second source/drain electrode of the first transistor of each of the first and second subpixels overlaps the repair circuit connection pattern. A first source/drain electrode of the first repair transistor is connected to the power line, and a second source/drain electrode of the first repair transistor overlaps the first repair circuit connection pattern.

Abstract: An organic light-emitting device includes a first hole transport region including a polymer compound that includes a repeating unit derived from a compound including a moiety represented by Formula 1A and a second hole transport region including a first compound and a second compound, the first compound including a repeating unit represented by Formula 1, the second compound being a compound represented by Formula 1, and the third compound being a compound represented by Formula 3.

Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode, the first hole transport layer including a first organic compound having a first dielectric constant and a second hole transport layer disposed between the first hole transport layer and the emission layer, the second hole transport layer including a second organic having a second dielectric constant which is greater than the first dielectric constant.

Abstract: A flexible circuit film including a first flexible film, a second flexible film facing the first flexible film, and a plurality of wirings arranged between the first flexible film and the second flexible film. The wirings have different widths and bend in different directions, and a guide film including a material more rigid than the first and second flexible films is arranged on ends of the first flexible film. The guide film includes a tear-preventing portion overlapping with a bending portion of a shortest one of the wirings while covering portions of an inner edge near inner corners of a U-shaped flexible circuit film.

Abstract: A display apparatus includes a flexible substrate and a first insulation layer disposed on the flexible substrate. The flexible substrate includes a bending area. The first insulation layer includes a first unevenness disposed over the bending area. The first unevenness includes two or more steps in at least a portion of the first unevenness.

Abstract: An organic light emitting diode device can have an enhanced thin film encapsulation layer for preventing moisture from permeating from the outside. The thin film encapsulation layer can have a multilayered structure in which one or more inorganic layers and one or more organic layers are alternately laminated. A barrier can be formed outside of a portion of the substrate on which the organic light emitting diode is formed. The organic layers of the thin film encapsulation layer can be formed inside an area defined by the barrier.

Abstract: A deposition mask, method for manufacturing the same, and display device manufactured using the same. The deposition mask includes a mask substrate including an opening, and a mask pattern disposed on the mask substrate and including multiple hole patterns spaced apart from each other, wherein the mask pattern includes a first portion on the mask substrate, and a second portion protruding from the first portion in a direction opposite to the mask substrate, the second portion includes a first protruding portion and a second protruding portion disposed to be adjacent to the hole patterns, and a recessed portion disposed between the first protruding portion and the second protruding portion, and a height of the recessed portion may be smaller than heights of the first protruding portion and the second protruding portion.

Abstract: A display device that includes multiple inorganic layers having an opening defined in at least some of the inorganic layers, a pixel driving circuit disposed in a region defined by the opening in a plan view, and a light emitting element electrically connected to the pixel driving circuit. The at least some of the inorganic layers include an inorganic stacked structure disposed in the region defined by the opening. The inorganic stacked structure has a substantially polygonal or circular shape including a corner region having an outwardly convex curve in a plan view.

Abstract: A manufacturing method of a display device includes forming a mask support spaced apart from an edge of a substrate by a first distance, disposing a mask including a transmissive area and a non-transmissive area surrounding the transmissive area on the mask support, determining a display area and a peripheral area positioned at a side of the display area based on at least one of a size of the display area and a width of the non-transmissive area, and forming a light emitting layer in the display area corresponding to the transmissive area and a portion of the peripheral area using the mask.

Abstract: A display device includes a first pixel electrode disposed on a substrate, an inorganic insulating layer disposed on the substrate and exposing the first pixel electrode, a first light emitting layer disposed on the first pixel electrode, a first common electrode disposed on the first light emitting layer, a first bank layer disposed on the inorganic insulating layer, a second bank layer disposed on the first bank layer and having side surfaces protruding more than side surfaces of the first bank layer; and a first inorganic encapsulation layer disposed on an upper surface of the first common electrode, the side surfaces of the first bank layer, and lower and side surfaces of the second bank layer, and spaced apart from the side surfaces of the second bank layer.

Abstract: A display device includes sub-pixels. The first and third sub-pixels overlap in a first direction. The second sub-pixel is spaced from the first and third sub-pixels in a second direction. Each of the sub-pixels includes a pixel-circuit layer including a pixel circuit including first and second transistors, a data line, and a scan line, and a light-emitting-element layer on the pixel-circuit layer and including a light emitting element. The pixel circuit includes first to third pixel circuits in the first to third sub-pixels, respectively. The data line includes first to third data lines included in the first to third sub-pixels, respectively, and electrically connected to the first to third pixel circuits, respectively. The first to third data lines are adjacent. The second data line is not between the first and third data lines such that only one side of the second data line faces the first and third data lines.