Abstract: An organic light emitting diode display includes a substrate, switching elements on the substrate, at least one barrier member on the substrate, a passivation layer covering the switching elements and including a protection opening exposing the barrier member, pixel electrodes on the passivation layer and connected to the switching elements, auxiliary electrodes separated from and formed from a same layer as the pixel electrodes, an organic emission layer including a pixel emission layer and a common emission layer sequentially formed on the pixel electrodes, and a common electrode including an auxiliary common electrode and a main common electrode sequentially formed on the common emission layer. The common emission layer and the auxiliary common electrode have a common contact hole at a position corresponding to a position of the barrier member. The main common electrode is connected with the auxiliary electrode through the common contact hole.

Abstract: An organic light emitting diode (OLED) display device and a method of manufacturing the same. The device includes a substrate, a thin film transistor (TFT) on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode, a first pixel electrode coupled to one of the source and drain electrodes, a rough portion on the first pixel electrode, a second pixel electrode on the rough portion and having a rough pattern, an intermediate layer on the second pixel electrode including an organic emission layer (EML), and an opposing electrode on the intermediate layer.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the organic light-emitting diode display includes a plurality of pixels formed in a display area of a substrate, wherein each of the pixels includes a pixel electrode, an emission layer, and a common electrode. The display also includes an auxiliary common electrode formed in a lattice pattern between at least two of the pixels and electrically connected to the common electrode, wherein the auxiliary common electrode includes two opposing sides. The display further includes a power supply electrically connected to a non-display area of the substrate. The display also includes a pair of first power supply wires formed in the non-display area and configured to electrically connect the power supply to a center portion of the two sides of the auxiliary common electrode.

Abstract: An organic light emitting diode display including: a substrate; a plurality of first signal lines on the substrate extending in a first direction; a first insulating layer covering the substrate and the first signal lines; a plurality of auxiliary signal lines formed on the first insulating layer and overlapping the first signal lines; a second insulating layer covering the auxiliary signal lines; a plurality of first signal line connecting members formed on the second insulating layer while overlapping parts of the auxiliary signal lines; a plurality of second signal lines crossing the first signal lines; a plurality of switching transistors and a plurality of driving transistors connected with the first signal lines and the second signal lines; and a plurality of organic light emitting diodes electrically connected to the driving transistors, where the first signal line connecting members connect the first signal lines to the auxiliary signal lines.

Abstract: An organic light-emitting display device includes a substrate. A buffer layer is formed on the substrate. A thin film transistor is disposed on the buffer layer. The thin film transistor includes an active layer, a gate electrode, a source electrode, a drain electrode, a first insulating layer, and a second insulating layer. An uneven pattern is formed by patterning the buffer layer. A first pixel electrode is disposed in an opening formed in the second insulating layer. The first pixel electrode includes a transparent conductive oxide. A second pixel electrode is disposed on the first pixel electrode. The second pixel electrode includes a semi-transmissive layer. An organic lighting-emitting layer is formed on the second pixel electrode. An opposite electrode is formed on the organic lighting-emitting layer.

Abstract: An organic light emitting diode display includes a substrate; a gate wire on the substrate; an interlayer insulating layer covering the gate wire; a data wire on the interlayer insulating layer; a passivation layer on the data wire and the interlayer insulating layer and having a protection opening; a pixel electrode on a first wiring portion of the data wire exposed through the protection opening and the interlayer insulating layer; a pixel definition layer on the passivation layer and having a pixel opening exposing the pixel electrode; an organic emission layer covering the pixel electrode; and a common electrode covering the organic emission layer and the pixel definition layer, wherein the pixel electrode contacting the first wiring portion of the data wire and the interlayer insulating layer has protrusions and depressions.

Abstract: An organic light emitting diode display includes: a substrate including a first and a second gate electrode formed over a first and a second region, respectively, a first and a second gate insulator formed on the first and the second gate electrode, respectively, a first and a second semiconductor layer formed on the first and the second gate insulator, respectively, the first semiconductor layer including a first channel region, the second semiconductor layer including a second channel region, an interlayer insulator formed over the substrate and over at least part of the first and second semiconductor layers, a first and a second etching stop layer formed over the first and second channel regions, respectively, and surrounded by the interlayer insulator, and a first and a second source electrode and a first and a second drain electrode contacting the first and the second semiconductor layer, respectively, through the interlayer insulator.

Abstract: Provided is a display apparatus including a substrate and a semiconductor layer including first and second semiconductor layers. A first gate insulating layer is formed on the semiconductor layer. A first gate wiring overlapping the first semiconductor layer is formed on the first gate insulating layer. A second gate insulating layer is formed on the first gate wiring. A second gate wiring overlapping the second semiconductor layer is formed on the second gate insulating layer. A third gate insulating layer covers the second gate wiring. A driving voltage line intersecting the first and second gate wirings is formed on the third gate insulating layer. A data line intersecting the first and second gate wirings is formed on the third gate insulating layer. A short circuit protection area is formed between the first gate wiring, the second gate wiring, the driving voltage line and the data line.

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, switching elements on the substrate, at least one barrier member on the substrate, a passivation layer covering the switching elements and including a protection opening exposing the barrier member, pixel electrodes on the passivation layer and connected to the switching elements, auxiliary electrodes separated from and formed from a same layer as the pixel electrodes, an organic emission layer including a pixel emission layer and a common emission layer sequentially formed on the pixel electrodes, and a common electrode including an auxiliary common electrode and a main common electrode sequentially formed on the common emission layer. The common emission layer and the auxiliary common electrode have a common contact hole at a position corresponding to a position of the barrier member. The main common electrode is connected with the auxiliary electrode through the common contact hole.

Abstract: An organic light emitting diode display including: a substrate; a plurality of first signal lines on the substrate extending in a first direction; a first insulating layer covering the substrate and the first signal lines; a plurality of auxiliary signal lines formed on the first insulating layer and overlapping the first signal lines; a second insulating layer covering the auxiliary signal lines; a plurality of first signal line connecting members formed on the second insulating layer while overlapping parts of the auxiliary signal lines; a plurality of second signal lines crossing the first signal lines; a plurality of switching transistors and a plurality of driving transistors connected with the first signal lines and the second signal lines; and a plurality of organic light emitting diodes electrically connected to the driving transistors, where the first signal line connecting members connect the first signal lines to the auxiliary signal lines.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the organic light-emitting diode display includes a plurality of pixels formed in a display area of a substrate, wherein each of the pixels includes a pixel electrode, an emission layer, and a common electrode. The display also includes an auxiliary common electrode formed in a lattice pattern between at least two of the pixels and electrically connected to the common electrode, wherein the auxiliary common electrode includes two opposing sides. The display further includes a power supply electrically connected to a non-display area of the substrate. The display also includes a pair of first power supply wires formed in the non-display area and configured to electrically connect the power supply to a center portion of the two sides of the auxiliary common electrode.

Abstract: A selective crystallization method includes placing a first substrate including first crystallization regions on a second substrate including second crystallization regions such that the first crystallization regions and the second crystallization regions are arranged alternately, and crystallizing the alternately-arranged first crystallization regions and the second crystallization regions with a laser beam. A laser crystallization apparatus can be used in the selective crystallization method.

Abstract: An organic light emitting diode display includes: a substrate including a first and a second gate electrode formed over a first and a second region, respectively, a first and a second gate insulator formed on the first and the second gate electrode, respectively, a first and a second semiconductor layer formed on the first and the second gate insulator, respectively, the first semiconductor layer including a first channel region, the second semiconductor layer including a second channel region, an interlayer insulator formed over the substrate and over at least part of the first and second semiconductor layers, a first and a second etching stop layer formed over the first and second channel regions, respectively, and surrounded by the interlayer insulator, and a first and a second source electrode and a first and a second drain electrode contacting the first and the second semiconductor layer, respectively, through the interlayer insulator.

Abstract: An organic light emitting device includes a switching transistor and a driving transistor. A semiconductor layer is commonly used by the switching and driving transistors. The portion of semiconductor layer corresponding to the driving transistor is curved. A gate insulating layer is located between a channel region and gate electrode of the switching transistor, and between the channel region and the gate electrode of the driving transistor. The gate insulating layer has substantially a same plane shape as the switching gate electrode and the driving gate electrode. An edge of the gate insulating layer and an edge of the switching and driving gate electrodes at least partially overlap.

Abstract: An array test method of an organic light emitting diode (OLED) display substrate is provided. The OLED display substrate includes a plurality of pixel circuits. Each pixel circuit includes an anode, a first transistor for transmitting a data signal that controls an amount of light emission of an OLED according to a scan signal, a driving transistor for receiving the data signal, generating a driving current corresponding to the data signal, and transmitting the driving current to the OLED, and a second transistor for diode-connecting a gate electrode and a drain electrode of the driving transistor. The array test method includes: injecting electrons or holes that generate an initialization voltage into the anode by turning on the second transistor; radiating electron beams at the anode; and determining whether or not the driving transistor performs normal operation from an amount of secondary electrons emitted from the anode.

Abstract: An organic light-emitting display apparatus basically comprises a thin film transistor, an organic light-emitting device and a pad electrode, and provides an improved adhesive force between a pad portion and an electrode and a stable signal supply. A method of manufacturing the organic light-emitting display apparatus comprises mask processes for forming on a curve layer of a thin film transistor, a pixel electrode and a first pad electrode, a gate electrode and a second pad electrode, contact holes and an interlayer insulating layer, source and drain electrodes and a third pad electrode, and a pixel define layer.

Abstract: A laser crystallization system is disclosed. In one embodiment, the laser crystallization system includes i) a mother substrate including first, second, and third display regions sequentially arranged in a first direction and ii) a stage for supporting the mother substrate and moving in the first direction and in a second direction. The system also includes i) a first laser irradiation unit for irradiating a first laser beam having a width greater than or identical to a width of a side of one of the display regions in the first direction and ii) a second laser irradiation unit spaced apart from the first laser irradiation unit and irradiating a second laser beam having a width greater than or identical to the width of the side in the first direction. Furthermore, the first and second laser beams may correspond to widths of sides of the first and third display regions.

Abstract: An organic light emitting display device includes: a substrate; a thin film transistor (TFT) on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; an organic light emitting device including a pixel electrode that contacts at least one of the source electrode or the drain electrode of the TFT, an interlayer including a light emitting layer, and a counter electrode facing the pixel electrode, the pixel electrode, the interlayer, and the counter electrode being stacked; and a cathode contact part including a first contact layer and a second contact layer, the first contact layer being at a same layer as the active layer and being doped with ion impurities, the second contact layer including a same material as the source electrode and the drain electrode and coupling the first contact layer and the counter electrode to each other.

Abstract: A photo sensor, a method of manufacturing the photo sensor, and a display apparatus, the photo sensor including a substrate; a light receiving unit on the substrate, the light receiving unit including an amorphous semiconductor material; a first adjacent unit and a second adjacent unit formed as one body with the light receiving unit, the first adjacent unit and the second adjacent unit being separated from each other by the light receiving unit; a first photo sensor electrode electrically connected to the first adjacent unit; and a second photo sensor electrode electrically connected to the second adjacent unit, wherein at least one of the first adjacent unit and the second adjacent unit includes a crystalline semiconductor material.