Abstract: An organic light emitting diode display includes a substrate, a planarization layer disposed on the substrate, a first electrode disposed on the planarization layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, wherein an uneven pattern is formed on a top surface of the planarization layer, the uneven pattern comprises a strip line having a plurality of thicknesses and widths, and a thickness of the strip line becomes smaller as a distance from a center portion of the first electrode becomes larger.

Abstract: A pixel includes an organic light emitting diode, a first transistor that is connected to a first power source and that supplies a driving current according to a corresponding data voltage to the organic light emitting diode, a second transistor that is connected to a scan line and that transmits the corresponding data voltage from a data line to a driving transistor according to a scan signal transmitted from the scan line, and a first capacitor including one electrode connected to a gate electrode of the first transistor. The first capacitor stores the corresponding data voltage as a first voltage and a size of the first capacitor is in a range of about 2 times to about 4 times a size of a gate insulating layer of the first transistor.

Abstract: An organic light-emitting display apparatus includes a buffer layer that is on a substrate and includes nanoparticles including nickel (Ni), a pixel electrode on the buffer layer, an organic emission layer on the pixel electrode, and an opposite electrode on the organic emission layer. A method of manufacturing the organic light-emitting display apparatus is provided.

Abstract: A display apparatus includes a plurality of sub-pixel groups. At least one of the sub-pixel groups includes a plurality of first sub-pixels to emit a first color of light, a plurality of second sub-pixels to emit a second color of light, and a dummy pixel between the first sub-pixels and the second sub-pixels. A first dummy driving transistor is connectable to one of the first sub-pixels and a second dummy driving transistor is connectable to one of the second sub-pixels.

Abstract: An organic light-emitting display apparatus includes a plurality of pixels, each defined by a scan line, a data line, and a power supply line, a plurality of control lines branching off of one wire in a first direction and simultaneously transferring control signals to the plurality of pixels; and a plurality of repair bridges placed between neighboring ones of the plurality of control lines, each of the plurality of repair bridges including a first bridge connected to one of the neighboring ones of the plurality of control lines and a second bridge connected to another one of the neighboring control lines.

Abstract: A thin film transistor (TFT) array substrate is provided that includes a TFT on a substrate. The TFT can include an active layer, gate electrode, source electrode, drain electrode, first insulating layer between the active layer and the gate electrode, and second insulating layer between the gate electrode and the source and drain electrodes. A pixel electrode is disposed on the first and second insulating layers. A capacitor including a lower electrode is disposed on a same layer as the gate electrode and an upper electrode. A third insulating layer directly between the second insulating layer and the pixel electrode and between the lower electrode and the upper electrode. A fourth insulating layer covers the source electrode, the drain electrode, and the upper electrode, and exposes the pixel electrode and can further expose a pad electrode.

Abstract: An organic light emitting diode (OLED) display includes a substrate where a plurality of pixels are formed, a first pixel defining layer on the substrate, the first pixel defining layer dividing the plurality of pixels, a connection wire on the first pixel defining layer, the connection wire electrically connecting two adjacent pixels, and a second pixel defining layer on the first pixel defining layer, the second pixel defining layer covering the connection wire.

Abstract: A laser irradiation apparatus including a chamber configured to receive a panel including an organic layer on a substrate, a laser oscillator outside the chamber, and configured to irradiate a laser beam onto the panel in the chamber, and a transparent window at a side of the chamber, and configured to allow the laser beam to pass therethrough, wherein the laser beam is configured to remove at least a portion of the organic layer on the substrate.

Abstract: A device for inspecting an organic light-emitting display apparatus includes a power supply unit, a power receiving unit, a wiring location sensing unit, and a control unit. The power supply unit applies an AC signal to each of wirings arranged in the organic light-emitting display apparatus. The power receiving unit senses an electrical signal from each of the wirings. The wiring location sensing unit senses a location of each of the wirings. The control unit determines whether each of the wirings has a defect based on the sensed electrical signal and information pertaining to each wiring type of the wirings.

Abstract: An organic light emitting diode (OLED) display including: a substrate; a scan line formed on the substrate and configured to transmit a scan signal; a data line and a driving voltage line crossing the scan line and respectively configured to transmit a data signal and a driving voltage; a switch connected to the scan line and the data line; a static electricity shield enclosing the switch; and an organic light emitting diode (OLED) connected to the switch.

Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer disposed on the substrate and including an intrinsic poly-semiconductor part and a doped poly-semiconductor part, a gate insulating layer covering the semiconductor layer, a scan line disposed on the gate insulating layer and transmitting a scan signal, a data line insulated from and intersecting the scan line and transmitting a data signal, a thin film transistor connected to the scan line and the data line, and an organic light emitting diode connected to the thin film transistor, where the intrinsic poly-semiconductor part is positioned at a region near the scan line.

Abstract: A capacitor includes an active layer, a gate insulation layer on the active layer, a gate electrode on the gate insulation layer, an interlayer insulating layer on the gate electrode, and a first electrode on the interlayer insulating layer and connected to the active layer through at least one contact hole.

Abstract: A scan driving device includes: a first scan driving block group including scan driving blocks receiving at least two different clock signals among a plurality of scan driving blocks which are sequentially arranged; a second scan driving block group including scan driving blocks receiving at least two clock signals which are the same as at least two clock signals inputted to each of the scan driving blocks included in the first scan driving block group; first line transistors connected in parallel to scan lines of each of the scan driving blocks included in the first scan driving block group, and turned on or off according to a first line connection signal; and second line transistors connected in parallel to a scan line of each of the scan driving blocks included in the second scan driving block group and turned on or off according to a second line connection signal.

Abstract: A method for testing an array for a pixel circuit of an organic light emitting diode display, which includes a first transistor that transmits a driving current corresponding to a data signal to an organic light emitting diode according to a scan signal and at least one capacitor, uses an array test device having a control device and a driver. The method includes performing a first irradiation of electron beams to an exposed portion of a first electrode of the at least one capacitor before manufacturing of the organic light emitting diode is completed, calibrating the control device of the array test device based on secondary electrons output by the at least one capacitor, performing a second irradiation of electron beams to an anode of the pixel circuit, and detecting whether the first transistor is normally operated based on an output amount of secondary electrons output by the anode.

Abstract: An organic light-emitting display apparatus includes an active layer of a thin film transistor (TFT), a gate electrode including a transparent conductive material or a metal that on the active layer, a first insulating layer on the substrate, source and drain electrodes electrically connected to the active layer, a second insulating layer between the gate electrode and the source and drain electrodes, a first conductive layer of a transparent conductive material on the first insulating layer, a second conductive layer on the first conductive layer, the second conductive layer being a metal, a third conductive layer on the second conductive layer, the third conductive layer being made of a same material as the source and drain electrodes, and being connected to the first conductive layer; and a protection layer that includes a transparent conductive oxide, the protection layer being on the third conductive layer.

Abstract: An organic light-emitting display device includes a gate electrode, a source electrode, and a drain electrode on a substrate, a gate interconnection line connected to the gate electrode, a source and drain interconnection line connected to the source and drain electrodes, a first test pad electrically connected to the source and drain interconnection line, and a second test pad electrically connected to the gate interconnection line. The second test pad is at a same level as the first test pad, and the gate electrode is on a different layer than the source and drain electrodes.

Abstract: A thin film transistor (TFT) substrate, an organic light-emitting display apparatus including the TFT substrate, and a method of manufacturing the TFT substrate that enable simple manufacturing processes and a decrease in the interference between a capacitor and other interconnections are disclosed. The TFT substrate may include a substrate, a TFT arranged on the substrate, the TFT including an active layer, a gate electrode, a source electrode, and a drain electrode, a pixel electrode electrically connected to one of the source electrode and the drain electrode, and a capacitor including a lower capacitor electrode and an upper capacitor electrode, the lower capacitor electrode formed from the same material as the active layer and arranged on the same layer as the active layer, and the upper capacitor electrode formed from the same material as the pixel electrode.

Abstract: Provided are an organic light-emitting display apparatus having superior light efficiency and ease of manufacture, as well as a method of manufacturing the same. The organic light-emitting display apparatus includes: a substrate; a pixel electrode disposed on a pixel region of the substrate; a first insulating layer that is interposed between the substrate and the pixel electrode and that has a first discontinuous region extending along at least a portion of an edge of the pixel electrode; an intermediate layer that is disposed on the pixel electrode and that includes an emission layer; and an opposite electrode that covers the intermediate layer and at least a portion of the first discontinuous region, so that a shortest distance to the substrate in at least a portion of the first discontinuous region is shorter than a shortest distance between the pixel electrode and the substrate.

Abstract: An organic light emitting diode display includes a substrate, a planarization layer disposed on the substrate, a first electrode disposed on the planarization layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, wherein an uneven pattern is formed on a top surface of the planarization layer, the uneven pattern comprises a strip line having a plurality of thicknesses and widths, and a thickness of the strip line becomes smaller as a distance from a center portion of the first electrode becomes larger.

Abstract: A method of manufacturing an organic light-emitting display device is disclosed. The method includes: uniformly forming an active layer on an entire surface of a substrate on which an organic light-emitting diode, a thin film transistor (TFT), and a capacitor are to be formed; performing a first mask process on the active layer to form a pixel electrode of the organic light-emitting diode, a gate electrode of the TFT, and an upper electrode of the capacitor; performing a second mask process to form an insulating layer having openings that expose the pixel electrode, the upper electrode, and the active layer in a region of the TFT; performing a third mask process to form a source-drain electrode that contacts an exposed portion of the active layer; and performing a fourth mask process to form a pixel-defining layer (PDL) that exposes the pixel electrode and covers the TFT and the capacitor.