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: An organic light emitting display device having a pixel unit including a plurality of scan lines, data lines and pixel power lines arranged in a matrix type and forming respective sub pixels in an intersection region of the plurality of scan lines, data lines and pixel power lines; a thin film transistor including a pad unit receiving signals to drive driving the respective sub pixels, a scan driver and a data driver supplying the signals to the plurality of scan lines and data lines through the pad unit, and non-pixel unit formed with a power supply line supplying power to the pixel powers line, the sub-pixel including an oxide semiconductor layer; a capacitor having a lower electrode and an upper electrode formed of a transparent conductive material; and an organic light emitting element electrically coupled to the thin transistor and disposed on the capacitor.

Abstract: An organic light emitting display is capable of preventing brightness from being non-uniform due to IR drop so as to improve reliability of the organic light emitting display. The organic light emitting display comprises: a display panel having a display region and a non-display region; a plurality of sub pixels defined by perpendicularly intersecting a plurality of gate lines and a plurality of data lines formed in the display region of the display panel; and a power source supply pad unit provided in the non-display region of the display panel for supplying a power source voltage to the plurality of sub pixels. A resistance value of sub pixels arranged in a first region adjacent to the power source supply pad unit is higher than a resistance value of sub pixels of a second region which is separated from the power source supply pad unit, with the first region interposed therebetween.

Abstract: There is provided an organic light emitting display device for preventing short and voltage drop between lines to improve yield. The organic light emitting display device includes: a plurality of sub-pixels located at crossing regions of a plurality of gate lines and a plurality of data lines; first power lines for supplying a voltage for driving the sub-pixels, each of the first power lines being shared by two adjacent sub-pixels from among the plurality of sub-pixels; and initial power lines for supplying an initial power to the sub-pixels, each of the initial power lines being shared by the two adjacent sub-pixels and located between the two adjacent sub-pixels.

Abstract: An organic electroluminescent display device capable of improving yield by preventing voltage drop of a power supply wire and a manufacturing method of the same. An organic electroluminescent display device according to an exemplary embodiment of the present invention includes: a plurality of sub-pixels defined by an active area displaying an image and an inactive area other than the active area; a driving switching element formed in the inactive area of the sub-pixel to supply driving current; and a power supply wire supplying power to the sub-pixel, wherein the power supply wire includes a first power supply wire extending in a vertical direction at one portion of a long side of the sub-pixel, a dummy power supply wire disposed on the first power supply wire and electrically connected with the first power supply wire, and a second power supply wire extending in a horizontal direction at one portion of a short side of the sub-pixel.

Abstract: A display panel of a solid display apparatus including: a pixel unit having pixels formed on surfaces constituting a polyhedron; scan drive units generating scan signals and supplying the scan signals to the pixels; and data drive units generating data signals according to input images and supplying the data signals to the pixels, wherein the pixel unit is formed on a flexible substrate.

Abstract: A pixel circuit for a display apparatus is disclosed. The pixel circuit includes two scan transistors. The scan transistors are driven such that when not connecting a storage capacitor to a data line, one of the scan transistors is off, and one of the scan transistors is driven with a voltage to reverse a threshold shift caused by the voltage applied to turn the transistor off.

Abstract: An organic light emitting display device and a method for manufacturing the same. The organic light emitting display device includes: an insulating layer formed on a substrate; a resistance layer of oxide semiconductor formed on the insulating layer; a wiring layer connected to both side portions of the resistance layer; an organic layer formed on the upper portion including the resistance layer and the wiring layer; and a capping layer formed on the organic layer to be overlapped with the resistance layer.

Abstract: An organic light emitting display is disclosed. The display has a pixel which includes a transistor and a capacitor. The active layer of the transistor and at least one of the electrodes of the capacitor comprise a semiconductor oxide.

Abstract: An organic light emitting display is disclosed. The display comprises a transistor with an active layer comprising an oxide semiconductor material. The oxide semiconductor material has conductivity suitable for the transistor because of a diffusion path allowing hydrogen to escape from the active layer.

Abstract: A TFT includes a substrate, a source electrode and a drain electrode on the substrate, the source and drain electrodes separated from each other, an active layer on the substrate between the source electrode and the drain electrode, a cladding unit on side surfaces of the source electrode and the drain electrode, a gate insulating layer on the substrate, the gate insulating layer overlapping the active layer and the cladding unit, and a gate electrode on the gate insulating layer, the gate electrode overlapping the active layer.

Abstract: An organic light emitting display includes data lines and scan lines intersecting each other, a scan driving unit for supplying a scan signal to the scan lines, a data driving unit for supplying a data signal to the data lines, and pixels defined at intersection points of the data and scan lines, each pixel having an organic light emitting diode, a first TFT with an inverted staggered top gate structure and connected to the organic light emitting diode, the first TFT including an oxide semiconductor as an active layer, and a second TFT with an inverted staggered bottom gate structure and configured to receive the scan signal from the scan lines, the second TFT including an oxide semiconductor as an active layer.

Abstract: A TFT includes a substrate, a source electrode and a drain electrode on the substrate, the source and drain electrodes separated from each other, an active layer on the substrate between the source electrode and the drain electrode, a cladding unit on side surfaces of the source electrode and the drain electrode, a gate insulating layer on the substrate, the gate insulating layer overlapping the active layer and the cladding unit, and a gate electrode on the gate insulating layer, the gate electrode overlapping the active layer.

Abstract: The present invention provides a pixel comprising: organic light emitting diodes emitting corresponding to the amount of a driving current; a first transistor whose first electrode is coupled to a first power supply, second electrode is coupled to the organic light emitting diodes, and gate is coupled to a first node, the first transistor forming the driving current corresponding to a voltage of the first node; a second transistor transferring data signals to the first node corresponding to a first scan signal; a third transistor applying a negative voltage to the first node corresponding to a third scan signal; and a capacitor maintaining the voltage of the first node, and an organic light emitting display device using the same.

Abstract: An organic light emitting display device having a pixel unit including a plurality of scan lines, data lines and pixel power lines arranged in a matrix type and forming respective sub pixels in an intersection region of the plurality of scan lines, data lines and pixel power lines; a thin film transistor including a pad unit receiving signals to drive driving the respective sub pixels, a scan driver and a data driver supplying the signals to the plurality of scan lines and data lines through the pad unit, and non-pixel unit formed with a power supply line supplying power to the pixel powers line, the sub-pixel including an oxide semiconductor layer; a capacitor having a lower electrode and an upper electrode formed of a transparent conductive material; and an organic light emitting element electrically coupled to the thin transistor and disposed on the capacitor.

Abstract: An organic light emitting display apparatus capable of preventing degradation of a driving transistor includes a third transistor in the pixel circuit with the third transistor removing a voltage stress applied to a gate electrode of the driving transistor by applying a ground voltage to the gate electrode of the first transistor according to a second scan signal. The third transistor is different from the driving transistor and the switching transistor. A method of driving the organic light emitting display apparatus is also provided.

Abstract: An organic light emitting display includes pixels, each pixel having a transparent transistor, a timing controller to convert predetermined bits of an externally supplied first data into a certain value to generate a second data, and a data driver configured to receive the second data, to generate a data signal from the second data, and to supply the data signal to data lines coupled to the pixels.

Abstract: A translucent organic light emitting display having high image quality is disclosed. The display includes a substantially transparent organic light emitting display (OLED) panel, and a liquid crystal display (LCD) panel. The pixels in the OLED panel overlap the pixels in the LCD panel. The LCD panel pixels are configured to be opaque when the corresponding pixels of the OLED display do not emit light.