Abstract: A flat panel display device including a substrate including first and second regions; an active layer on the first region of the substrate including a semiconductor material; a lower electrode on the second region of the substrate including the semiconductor material; a first insulating layer on the substrate including the active layer and the lower electrode thereon; a gate electrode on the first insulating layer overlying the active layer and including a first conductive layer pattern and a second conductive layer pattern; an upper electrode on the first insulating layer overlying the lower electrode and including the first conductive layer pattern and the second conductive layer pattern; a second insulating layer on the gate electrode and the upper electrode exposing portions of the active layer and portions of the upper electrode; and a source electrode and a drain electrode connected to the exposed portions of the active layer.

Abstract: An organic light emitting diode (OLED) display includes: a substrate; a semiconductor layer on the substrate; a gate insulating layer covering the semiconductor layer; a gate electrode formed in the gate insulating layer and overlapping the semiconductor layer; a pixel electrode formed in a pixel area over the gate insulating layer; an interlayer insulating layer covering the gate electrode and the gate insulating layer, and exposing the pixel electrode through a pixel opening; a source electrode and a drain electrode formed in the interlayer insulating layer and connected to the semiconductor layer; and a barrier rib covering the interlayer insulating layer, the source electrode, and the drain electrode, and the drain electrode contacts a side wall of the pixel opening and is connected to the pixel electrode. Such an OLED display may have an improved aperture ratio.

Abstract: A method of repairing a defective pixel in a display apparatus that includes forming an insulating layer to cover the plurality of second signal wires, cutting both sides of a region of the corresponding second signal wire of the defective pixel and the insulating layer to form both sides of a cut region, forming contact holes adjacent to the both sides of the cut region, respectively, such that an upper portion of the corresponding second signal wire is exposed, forming a repair metal layer on the insulating layer to contact the contact holes and the second signal wire, and forming a repair insulating layer to cover the repair metal layer.

Abstract: An organic light-emitting display device includes a plurality of sub-pixels each comprising a light-emitting portion, a thin film transistor (TFT), and a capacitor, each of the sub-pixels emitting a different color, wherein the capacitor of at least one of the plurality of sub-pixels extends into at least one adjacent one of the sub-pixels.

Abstract: An organic light-emitting apparatus includes a thin film transistor (TFT) including an active layer, a gate electrode, and source and drain electrodes, an organic light-emitting device including a pixel electrode connected to the TFT, an intermediate layer including an emissive layer, and an opposite electrode, an opposite electrode contact portion connecting the opposite electrode to a power interconnection line. The power interconnection line connected to the opposite electrode contact portion includes a first interconnection layer and a second interconnection layer which are stacked without an insulating layer therebetween.

Abstract: An organic light-emitting display apparatus includes a thin film transistor having an active layer, a gate electrode, and source and drain electrodes, an organic light-emitting device having a pixel electrode connected to the thin film transistor, an intermediate layer including an emissive layer, and an opposite electrode, and an opposite electrode contact portion having a joining region and an insulating region. The opposite electrode and a power interconnection line contact each other in the joining region. An insulating layer is interposed between the opposite electrode and the power interconnection line in the insulating region, and a portion of the insulating layer penetrates into the power interconnection line in the insulating region.

Abstract: An ion implanting system includes an ion generating system that generates ion beams and an ion implanting chamber in which a work-piece that is irradiated with the ion beams generated from the ion generating system is provided and into which the ion beams generated from the ion generating unit are directed. The ion generating system includes a first ion generating unit that irradiates ions to an upper portion of the work-piece and a second ion generating unit irradiating ions to a lower portion of the work-piece. The ion implanting system a can implant ions into a large work-piece through one ion implantation process with ion generating units arranged alternately with respect to each other in the transfer direction of the work-piece.

Abstract: A thin film transistor, a method of manufacturing the same, and a display device including the same, the thin film transistor including a substrate; a polysilicon semiconductor layer on the substrate; and a metal pattern between the semiconductor layer and the substrate, the metal pattern being insulated from the semiconductor layer, wherein the polysilicon of the semiconductor layer includes a grain boundary parallel to a crystallization growing direction, and a surface roughness of the polysilicon semiconductor layer defined by a distance between a lowest peak and a highest peak in a surface thereof is less than about 15 nm.

Abstract: An organic light emitting display having an active layer of a thin film transistor formed on a substrate, a first conductive layer formed at an edge of the active layer, a first insulation layer formed on the substrate and the first conductive layer, a second conductive layer corresponding to a central area of the active layer formed on the first insulation layer, a fanout lower electrode separated a predetermined distance from the second conductive layer, a pixel electrode, a third conductive layer formed on the second conductive layer, a fanout upper electrode formed on the fanout lower electrode, a second insulation layer formed on the third conductive layer, the fanout upper electrode, and the pixel electrode, and source and drain electrodes contacting the pixel electrode and formed on the second insulation layer.

Abstract: A thin-film transistor array substrate is disclosed. In one embodiment, the transistor includes a capacitor including a lower electrode disposed on the same layer as an active layer and an upper electrode disposed on the same layer as a gate electrode. The transistor may also include a first insulating layer disposed between the active layer and the gate electrode and between the lower and upper electrodes, the first insulating layer not being disposed on a perimeter of the lower electrode. The transistor may further include a second insulating layer between the first insulating layer and the source and drain electrodes, the second insulating layer not being disposed on perimeters of the upper and lower electrodes.

Abstract: A method of manufacturing an organic light-emitting display device includes forming a silicon layer and a gate insulating film over a substrate having a transistor region and a capacitor region; forming a halftone photoresist over the substrate; patterning the silicon layer and the gate insulating film; forming a residual photoresist by subjecting the halftone photoresist to an ashing process to leave part of the halftone photoresist over the transistor region; and doping at least a portion of the silicon layer with impurities by applying the impurities over an entire region of the substrate.

Abstract: Making an OLED display, includes forming a first storage plate and a gate insulating layer covering the first storage plate on a substrate; sequentially forming a second storage plate covering the first storage plate and a capacitor intermediate in the gate insulating layer; forming a first doping region by injecting an impurity to a part that is not covered by the capacitor intermediate in the first storage plate; forming an interlayer insulating layer having a capacitor opening exposing the capacitor intermediate, and a plurality of erosion preventing layers on an edge of the capacitor intermediate toward the first doping region in the capacitor opening; removing the capacitor intermediate including the erosion preventing layer and a lower region of the erosion preventing layer, and injecting an impurity in the first storage plate through the second storage plate to form a second doping region contacting the first doping region.

Abstract: A laser mask is disclosed. In one embodiment, the laser mask includes: a mask substrate including i) at least one light transmission portion configured to transmit light therethrough and ii) a plurality of light interruption portions separated by the light transmission portion interposed therebetween. The light interruption portions are configured to block light; and a plurality of protrusion and depression regions positioned on the light interruption portions of the mask substrate. The protrusion and depression regions comprise a plurality of concave portions and a plurality of convex portions which are alternately formed.

Abstract: An organic light emitting display device with a simplified manufacturing process and improved electrical characteristics, along with a method of manufacturing the device, are disclosed. The device includes: a substrate having a display area and a non-display area; a thin film transistor (TFT) in the display area; a wiring portion in the non-display area; an intermediate layer electrically connected to the TFT and including an organic light emitting layer; and a counter electrode on the intermediate layer. The TFT includes an active layer, a gate electrode, and source/drain electrodes electrically connected to the active layer. The source/drain electrodes include a first conductive layer, a second conductive layer, and a third conductive layer that are sequentially stacked. The wiring portion includes the same material as the first conductive layer. One of the source/drain electrodes is longer than the other, to function as a pixel electrode, and is electrically connected to the intermediate layer.

Abstract: A thin film transistor, a method of manufacturing the same, and a display device including the same, the thin film transistor including a substrate; a polysilicon semiconductor layer on the substrate; and a metal pattern between the semiconductor layer and the substrate, the metal pattern being insulated from the semiconductor layer, wherein the polysilicon of the semiconductor layer includes a grain boundary parallel to a crystallization growing direction, and a surface roughness of the polysilicon semiconductor layer defined by a distance between a lowest peak and a highest peak in a surface thereof is less than about 15 nm.

Abstract: An organic light-emitting display device having a thin film transistor including an active layer, a gate electrode, a lower gate electrode, an upper gate electrode, an insulating layer covering the gate electrode, source and drain electrodes that are formed on the insulating layer and contact the active layer. An organic light-emitting diode is electrically connected to the thin film transistor and includes a pixel electrode formed at the same layer level as the lower gate electrode, an intermediate layer including an emission layer, and a counter electrode. A lower pad electrode is formed at the same layer level as the lower gate electrode and an upper pad electrode is formed at the same layer level as the upper gate electrode.

Abstract: Display substrates are disclosed. In one aspect, display substrates include a first signal line, a second signal line, a first detour signal line and a second detour signal line. The first signal line includes a first region and a pair of second regions disposed on opposite sides of the first region. The pair of second regions are spaced apart from the first region. The second signal line crosses the first signal line. The second signal line includes a third region and a pair of fourth regions disposed on opposite sides of the third region. The pair of fourth regions are spaced apart from the third region. The first detour signal line electrically connects the pair of second regions to each other. The second detour signal line electrically connects the pair of fourth regions to each other. Related methods are also disclosed.

Abstract: Making an OLED display, includes forming a first storage plate and a gate insulating layer covering the first storage plate on a substrate; sequentially forming a second storage plate covering the first storage plate and a capacitor intermediate in the gate insulating layer; forming a first doping region by injecting an impurity to a part that is not covered by the capacitor intermediate in the first storage plate; forming an interlayer insulating layer having a capacitor opening exposing the capacitor intermediate, and a plurality of erosion preventing layers on an edge of the capacitor intermediate toward the first doping region in the capacitor opening; removing the capacitor intermediate including the erosion preventing layer and a lower region of the erosion preventing layer, and injecting an impurity in the first storage plate through the second storage plate to form a second doping region contacting the first doping region.

Abstract: Display substrates including a capacitor, methods of repairing a display substrate, and display devices including the display substrate are disclosed. In one embodiment, the capacitor includes a first electrode layer, a dielectric layer, and a second electrode layer sequentially stacked. A portion of the second electrode layer is shorted to the first electrode layer. An opening penetrates the second electrode layer to expose a top surface of the dielectric layer. Due to the opening, the shorted portion is separated from the surrounding portions of the second electrode layer. The opening may be formed by irradiating a laser.

Abstract: An organic light-emitting display device. The organic light-emitting display device includes a substrate, a semiconductor layer arranged on the substrate, an insulating film arranged on the semiconductor layer and a conductive layer arranged on the insulating film, wherein the semiconductor layer comprises a plurality of protrusion lines extending in a first direction, the protrusion lines being parallel to a peripheral edge of the conductive layer.