Abstract: An embodiment of the invention provides a display device including: a substrate; a first transistor comprising a first semiconductor layer and a second transistor comprising a second semiconductor layer, the first and second semiconductor layers positioned on the substrate; a light emitting diode connected to the first transistor, wherein: the first transistor is a driving transistor; the second transistor is a switching transistor; a first concentration of fluorine included in the first semiconductor layer is higher than a second concentration of fluorine in the second semiconductor layer; and a first difference between the first and second concentrations substantially at or near a first interface of the first and second semiconductor layers is larger than a second difference between the first and second concentrations at a second interface of the first and second semiconductor layers, the second interface further from the substrate than the first interface.

Abstract: A display device includes a base substrate including a first substrate and a second substrate sequentially laminated, a lower semiconductor layer disposed on at least one of the first substrate and the second substrate, a buffer layer disposed on the base substrate, an active semiconductor layer disposed on the buffer layer and including a first active layer of a first transistor and a second active layer of a second transistor, a first insulating layer disposed on the active semiconductor layer, and a first conductive layer disposed on the first insulating layer and including a first gate electrode of the first transistor and a second gate electrode of the second transistor, wherein the lower semiconductor layer overlaps the first active layer, and does not overlap the second active layer.

Abstract: A display device is provided. The display device includes a first substrate, a first charge trap layer disposed on the first substrate and including silicon nitride, a semiconductor layer disposed on the first charge trap layer and including a first active layer of a first transistor and a second active layer of a second transistor, and an organic light emitting element electrically connected to the first transistor, wherein a ratio of a content of a Si element to a content of an N element in the first charge trap layer is in a range of 1.6 to 2.5.

Abstract: A display device includes a base substrate including a first substrate and a second substrate sequentially laminated, a lower semiconductor layer disposed on at least one of the first substrate and the second substrate, a buffer layer disposed on the base substrate, an active semiconductor layer disposed on the buffer layer and including a first active layer of a first transistor and a second active layer of a second transistor, a first insulating layer disposed on the active semiconductor layer, and a first conductive layer disposed on the first insulating layer and including a first gate electrode of the first transistor and a second gate electrode of the second transistor, wherein the lower semiconductor layer overlaps the first active layer, and does not overlap the second active layer.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a semiconductor layer including a driving channel, a first gate insulating layer at least partially covering the semiconductor layer, and a first driving gate electrode formed over the first gate insulating layer and overlapping the driving. A second gate insulating layer at least partially covers the first driving gate electrode. The display also includes a second driving gate electrode formed over the second gate insulating layer and overlapping the first driving gate electrode, an interlayer insulating layer at least partially covering the second driving gate electrode, a driving voltage line formed over the interlayer insulating layer and overlapping the second driving gate electrode, and a connector formed over the interlayer insulating layer and connected to the first and second driving gate electrodes.

Abstract: A display device includes a scan line extending primarily in a first direction, disposed on a substrate, and transmitting a scan signal, a data line extending primarily in a second direction intersecting the first direction and transmitting a data signal, a driving voltage line extending primarily in the second direction and transmitting a driving voltage, a plurality of transistors including first and second transistors, wherein the second transistor is connected to the scan line and the data line, and the first transistor is connected to the second transistor, a light emitting element connected to the plurality of transistors, and a storage capacitor disposed between the substrate and an active pattern of the first transistor, the storage capacitor including a first electrode disposed on the substrate and a second electrode at least partially overlapping the first electrode. A first insulating layer is disposed between the first and second electrodes.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a semiconductor layer including a driving channel, a first gate insulating layer at least partially covering the semiconductor layer, and a first driving gate electrode formed over the first gate insulating layer and overlapping the driving. A second gate insulating layer at least partially covers the first driving gate electrode. The display also includes a second driving gate electrode formed over the second gate insulating layer and overlapping the first driving gate electrode, an interlayer insulating layer at least partially covering the second driving gate electrode, a driving voltage line formed over the interlayer insulating layer and overlapping the second driving gate electrode, and a connector formed over the interlayer insulating layer and connected to the first and second driving gate electrodes.

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate, a plurality of OLEDs provided over the substrate, and a plurality of pixel circuits provided between the substrate and the OLEDs. Each of the pixel circuits comprises a plurality of transistors each including an active pattern electrically connected to the respective OLEDs. A shield layer overlaps the pixel circuits and the active patterns of the transistors in the depth dimension of the OLED display.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a semiconductor layer including a driving channel, a first gate insulating layer at least partially covering the semiconductor layer, and a first driving gate electrode formed over the first gate insulating layer and overlapping the driving. A second gate insulating layer at least partially covers the first driving gate electrode. The display also includes a second driving gate electrode formed over the second gate insulating layer and overlapping the first driving gate electrode, an interlayer insulating layer at least partially covering the second driving gate electrode, a driving voltage line formed over the interlayer insulating layer and overlapping the second driving gate electrode, and a connector formed over the interlayer insulating layer and connected to the first and second driving gate electrodes.

Abstract: A display device includes a scan line extending primarily in a first direction, disposed on a substrate, and transmitting a scan signal, a data line extending primarily in a second direction intersecting the first direction and transmitting a data signal, a driving voltage line extending primarily in the second direction and transmitting a driving voltage, a plurality of transistors including first and second transistors, wherein the second transistor is connected to the scan line and the data line, and the first transistor is connected to the second transistor, a light emitting element connected to the plurality of transistors, and a storage capacitor disposed between the substrate and an active pattern of the first transistor, the storage capacitor including a first electrode disposed on the substrate and a second electrode at least partially overlapping the first electrode. A first insulating layer is disposed between the first and second electrodes.

Abstract: An organic light-emitting diode display and a method of driving the same are disclosed. In one aspect, the display includes a light emission control line configured to provide a light emission control signal and a power line configured to provide a power voltage. An operation control TFT is electrically connected to the power line and configured to be turned on based on the light emission control signal so as to provide the power voltage. A driving TFT is electrically connected to the operation control TFT, an OLED is electrically connected to the driving TFT, and an initialization TFT is configured to provide the power voltage to the driving TFT. In a frame of the OLED display, the power voltage provided when the initialization TFT is turned on and the power voltage provided when the operation control TFT is turned on are different from each other.

Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate, a plurality of OLEDs provided over the substrate, and a plurality of pixel circuits provided between the substrate and the OLEDs. Each of the pixel circuits comprises a plurality of transistors each including an active pattern electrically connected to the respective OLEDs. A shield layer overlaps the pixel circuits and the active patterns of the transistors in the depth dimension of the OLED display.

Abstract: An organic light emitting display device includes: a display panel including scan lines, and pixels, a pixel of the pixels including: a driving transistor having a gate electrode; an insulator layer disposed on the gate electrode of the driving transistor; an electrode disposed on the insulator layer and coupled to the gate electrode of the driving transistor through a first contact hole; a first passivation layer disposed on the electrode; a first voltage line disposed on the first passivation layer and configured to supply a first voltage; a second passivation layer disposed on the first voltage line; and an organic light emitting diode (OLED) having an anode coupled to the driving transistor, wherein the anode is disposed on the second passivation layer, and wherein the first voltage line overlaps with the electrode and the anode.

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a semiconductor layer including a driving channel, a first gate insulating layer at least partially covering the semiconductor layer, and a first driving gate electrode formed over the first gate insulating layer and overlapping the driving. A second gate insulating layer at least partially covers the first driving gate electrode. The display also includes a second driving gate electrode formed over the second gate insulating layer and overlapping the first driving gate electrode, an interlayer insulating layer at least partially covering the second driving gate electrode, a driving voltage line formed over the interlayer insulating layer and overlapping the second driving gate electrode, and a connector formed over the interlayer insulating layer and connected to the first and second driving gate electrodes.

Abstract: An organic light-emitting diode display and a method of driving the same are disclosed. In one aspect, the display includes a light emission control line configured to provide a light emission control signal and a power line configured to provide a power voltage. An operation control TFT is electrically connected to the power line and configured to be turned on based on the light emission control signal so as to provide the power voltage. A driving TFT is electrically connected to the operation control TFT, an OLED is electrically connected to the driving TFT, and an initialization TFT is configured to provide the power voltage to the driving TFT. In a frame of the OLED display, the power voltage provided when the initialization TFT is turned on and the power voltage provided when the operation control TFT is turned on are different from each other.

Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the display includes: 1) a data line and a driving voltage line crossing a scan line and respectively transmitting a data signal and a driving voltage, 2) a switching thin film transistor connected to the scan line and the data line and 3) a driving thin film transistor connected to the switching thin film transistor and the driving voltage line. The display also includes a compensation thin film transistor compensating a threshold voltage of the driving thin film transistor and connected to the driving thin film transistor and an OLED connected to the driving thin film transistor, wherein the compensation gate electrode of the compensation thin film transistor includes a first compensation gate electrode and a second compensation gate electrode separated from and formed with different layers from each other.

Abstract: An organic light emitting display device includes: a display panel including data lines, scan lines, a first power voltage line supplying a first power voltage, and pixels, a pixel of the pixels including: a driving transistor configured to control a drain-to-source current flowing from a first electrode of the driving transistor to a second electrode of the driving transistor according to a voltage at a gate electrode of the driving transistor; an organic light emitting diode (OLED) configured to emit light in accordance with the drain-to-source current; and a first transistor having a gate electrode coupled to a scan line of the scan lines, a first electrode coupled to the second electrode of the driving transistor, and a second electrode coupled to the gate electrode of the driving transistor, the first power voltage line being between the second electrode of the first transistor and an anode of the OLED.

Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the display includes: 1) a data line and a driving voltage line crossing a scan line and respectively transmitting a data signal and a driving voltage, 2) a switching thin film transistor connected to the scan line and the data line and 3) a driving thin film transistor connected to the switching thin film transistor and the driving voltage line. The display also includes a compensation thin film transistor compensating a threshold voltage of the driving thin film transistor and connected to the driving thin film transistor and an OLED connected to the driving thin film transistor, wherein the compensation gate electrode of the compensation thin film transistor includes a first compensation gate electrode and a second compensation gate electrode separated from and formed with different layers from each other.