Abstract: An electro-luminescence device including an electro-luminescence element and a thin film transistor electrically connected to the electro-luminescence element. The thin film transistor includes a gate electrode formed over a substrate, an insulating layer formed over the gate electrode, and a first semiconductor pattern formed over the insulating layer. An etch stop layer is formed over the first semiconductor layer. A second semiconductor pattern is formed over the etch stop layer at one side of the etch stop layer, and a third semiconductor pattern is formed over the etch stop layer at another side of the etch stop layer. A source electrode is formed over the second semiconductor pattern, and a drain electrode is formed over the third semiconductor pattern.

Abstract: An organic light emitting device includes first and second sub pixels. The first sub pixel includes at least one first sub pixel that emits a light of original colors, and the second sub pixel includes at least one second sub pixel that emits a light of complementary colors, wherein a specific sub pixel is selected from the first and second sub pixels and a light emitting efficiency of a remaining sub pixels are adjusted according to a light emitting efficiency of a selected sub pixel from among the first and second sub pixels, so that the OLED displays a white color when each sub pixel emits a maximum amount of light.

Abstract: A method of driving a transistor, a driving element using the same, and a display panel and a display apparatus having the driving element are provided. The method for driving a transistor comprises: receiving a bias voltage at a first electrode of a driving transistor; outputting a first signal having a first polarity from a first electrode of a switching transistor to a capacitor and a control electrode of the driving transistor when a select line is activated for driving an organic display element; and outputting a second signal having a second polarity from the first electrode of the switching transistor to the capacitor and the control electrode of the driving transistor when the select line is activated for dissipating a charge in the driving transistor and for deactivating the organic display element.

Abstract: A light-sensitive (i.e., touch-sensitive) display device that requires less circuitry than the currently available light-sensitive display devices is presented. Unlike the currently available devices, which require at least two switching elements and a capacitor to implement a photosensitive switch, the invention only requires one switching element. The device of the invention includes a substrate with a plurality of scan lines, a plurality of read-out lines, a power line, and an array of photosensitive switches formed thereon. The scan lines and the read-out lines extend in directions that are substantially perpendicular to each other, forming pixels. One photosensitive switch is formed in each pixel, and each photosensitive switch has one light-sensitive transistor. The transistor connects the power line to one of the read-out lines in response to sensing incident light.

Abstract: A thin film transistor array panel for an X-ray detector includes a dummy pixel including a photo diode and a TFT for detecting leakage current. The photo diode includes first and second electrodes (178,195) facing each other and a photo-conductive layer (800) disposed between the first electrode and the second electrode. The TFT includes a semiconductor layer (150), a gate electrode (123), a source electrode (173) connected to a data line, a drain electrode (175) connected to the photo diode. The dummy pixel further includes a light blocking layer (196) for blocking light incident on the photo diode. Alternatively, the semiconductor layer is disconnected between the source electrode and the drain electrode.

Abstract: A display device is provided, which includes: light emitting elements; switching transistors transmitting data signals in response to scanning signals; driving transistors, each driving transistor electrically connected to a driving signal line and one of the switching transistors and supplying a current to the light emitting elements in response to an output signal of the one of the switching transistors and the driving signal of the driving signal line; and a first capacitor electrically connected between each driving transistor and each driving signal line; and a second capacitor electrically connected between each light emitting element and each driving transistor, wherein the first and the second capacitors transmit the driving signal by capacitive coupling.

Abstract: An electro-luminescence device including an electro-luminescence element and a thin film transistor electrically connected to the electro-luminescence element. The thin film transistor includes a gate electrode formed over a substrate, an insulating layer formed over the gate electrode, and a first semiconductor pattern formed over the insulating layer. An etch stop layer is formed over the first semiconductor layer. A second semiconductor pattern is formed over the etch stop layer at one side of the etch stop layer, and a third semiconductor pattern is formed over the etch stop layer at another side of the etch stop layer. A source electrode is formed over the second semiconductor pattern, and a drain electrode is formed over the third semiconductor pattern.

Abstract: A method of driving a transistor, a driving element using the same, and a display panel and a display apparatus having the driving element are provided. The method for driving a transistor comprises: receiving a bias voltage at a first electrode of a driving transistor; outputting a first signal having a first polarity from a first electrode of a switching transistor to a capacitor and a control electrode of the driving transistor when a select line is activated for driving an organic display element; and outputting a second signal having a second polarity from the first electrode of the switching transistor to the capacitor and the control electrode of the driving transistor when the select line is activated for dissipating a charge in the driving transistor and for deactivating the organic display element.

Abstract: An organic light emitting diode display includes a plurality of pixels. Each pixel includes a light emitting element and a driving transistor coupled to the light emitting element. The pixels may be arranged in a matrix. The pixels include first pixels, second pixels, and third pixels, the driving transistors of the first to the third pixels occupy different areas, and the light emitting elements of the first to the third pixels occupy substantially equal area.

Abstract: A thin film transistor array panel for an X-ray detector includes a dummy pixel including a photo diode and a TFT for detecting leakage current. The photo diode includes first and second electrodes (178,195) facing each other and a photo-conductive layer (800) disposed between the first electrode and the second electrode. The TFT includes a semiconductor layer (150), a gate electrode (123), a source electrode (173) connected to a data line, a drain electrode (175) connected to the photo diode. The dummy pixel further includes a light blocking layer (196) for blocking light incident on the photo diode. Alternatively, the semiconductor layer is disconnected between the source electrode and the drain electrode.

Abstract: A display device includes a first pixel and a second pixel. The first pixel and the second pixel are defined by a first gate bus line, a second gate bus line, a first power supply line and a second power supply line. A data bus line between the first supply line and the second supply line divides the first pixel from the second pixel line. Accordingly, the pixel shares a data bus line or a power supply line with adjacent pixel. Advantageously, thereby, more space between lines prevents defects caused during fabricating the display device and improve a reliability of the display device.

Abstract: An organic light emitting diode display includes a plurality of pixels. Each pixel includes a light emitting element and a driving transistor coupled to the light emitting element. The pixels may be arranged in a matrix. The pixels include first pixels, second pixels, and third pixels, the driving transistors of the first to the third pixels occupy different areas, and the light emitting elements of the first to the third pixels occupy substantially equal area.

Abstract: A display device includes a first pixel and a second pixel. The first pixel and the second pixel are defined by a first gate bus line, a second gate bus line, a first power supply line and a second power supply line. A data bus line between the first supply line and the second supply line divides the first pixel from the second pixel line. Accordingly, the pixel shares a data bus line or a power supply line with adjacent pixel. Advantageously, thereby, more space between lines prevents defects caused during fabricating the display device and improve a reliability of the display device.

Abstract: A driving circuit for an organic light emitting display apparatus includes first and second switching elements and a driving element. The first switching element is controlled by a scan signal supplied from a scan line. The second switching element is controlled by the scan signal. The driving element provides an end of an organic electroluminescent element with a first reference voltage via the second switching element. The driving element has amorphous silicon thin film transistors so that the manufacturing cost of the organic light emitting display apparatus may be reduced.

Abstract: A thin film transistor is provided, which includes: a semiconductor layer including an intrinsic portion; a gate electrode overlapping the intrinsic portion; a gate insulating layer disposed between the semiconductor layer and the gate electrode; and source and drain electrodes that have edges opposing each other with respect to the intrinsic portion of the semiconductor layer and are connected to the semiconductor layer, wherein the intrinsic portion has a curved surface contacting the gate insulating layer.

Abstract: An electro-luminescence device including an electro-luminescence element and a thin film transistor electrically connected to the electro-luminescence element. The thin film transistor includes a gate electrode formed over a substrate, an insulating layer formed over the gate electrode, and a first semiconductor pattern formed over the insulating layer. An etch stop layer is formed over the first semiconductor layer. A second semiconductor pattern is formed over the etch stop layer at one side of the etch stop layer, and a third semiconductor pattern is formed over the etch stop layer at another side of the etch stop layer. A source electrode is formed over the second semiconductor pattern, and a drain electrode is formed over the third semiconductor pattern.

Abstract: Disclosed is an apparatus that prevents a degradation of image quality due to a deterioration of a driving apparatus in an organic electro-luminescence display device.

Abstract: An electro-luminescence device including an electro-luminescence element and a thin film transistor electrically connected to the electro-luminescence element. The thin film transistor includes a gate electrode formed over a substrate, an insulating layer formed over the gate electrode, and a first semiconductor pattern formed over the insulating layer. An etch stop layer is formed over the first semiconductor layer. A second semiconductor pattern is formed over the etch stop layer at one side of the etch stop layer, and a third semiconductor pattern is formed over the etch stop layer at another side of the etch stop layer. A source electrode is formed over the second semiconductor pattern, and a drain electrode is formed over the third semiconductor pattern.

Abstract: A flexible display and method for forming alignment key of the same are disclosed, which includes an alignment key required to align positions between film layers, the flexible display comprising a substrate defined display area and non-display area and an alignment key forming part including an alignment key and transmission part at the circumference of the alignment key, wherein the alignment key forming part is formed at the non-display area of the substrate.

Abstract: An electro-luminescence device including an electro-luminescence element and a thin film transistor electrically connected to the electro-luminescence element. The thin film transistor includes a gate electrode formed over a substrate, an insulating layer formed over the gate electrode, and a first semiconductor pattern formed over the insulating layer. An etch stop layer is formed over the first semiconductor layer. A second semiconductor pattern is formed over the etch stop layer at one side of the etch stop layer, and a third semiconductor pattern is formed over the etch stop layer at another side of the etch stop layer. A source electrode is formed over the second semiconductor pattern, and a drain electrode is formed over the third semiconductor pattern.