A pixel may include a switching transistor connected to a data line and a first node, having a gate electrode connected to a scan line, a sustain transistor connected to a sustain voltage and the first node, having a gate electrode connected to the scan line, a storage capacitor connected to the first node and the second node, a driving transistor connected to the first power source voltage and a third node, having a gate electrode connected to the second node, a compensation transistor connected to the second node and the third node, having a gate electrode connected to a control line, a reset transistor connected to an initializing voltage and the second node, having a gate electrode connected to a reset control line, and an organic light emitting diode including an anode connected to the third node and a cathode connected to the second power source voltage.

A pixel may include a switching transistor connected to a data line and a first node, having a gate electrode connected to a scan line, a sustain transistor connected to a sustain voltage and the first node, having a gate electrode connected to the scan line, a storage capacitor connected to the first node and the second node, a driving transistor connected to the first power source voltage and a third node, having a gate electrode connected to the second node, a compensation transistor connected to the second node and the third node, having a gate electrode connected to a control line, a reset transistor connected to an initializing voltage and the second node, having a gate electrode connected to a reset control line, and an organic light emitting diode including an anode connected to the third node and a cathode connected to the second power source voltage.

A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.

A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.

The present application discloses an organic light-emitting display panel and a driving method thereof, as well as an organic light-emitting display device. A specific implementation of the organic light-emitting display panel comprises: an array arrangement comprising a plurality of pixel units, a plurality of data lines and a plurality of reference signal lines, wherein each pixel unit comprises a first subpixel, a second subpixel and a third subpixel, and a color of the first subpixel, a color the second subpixel and a color of the third subpixel differ from one another; a pixel driving circuit is formed in each subpixel, and comprises a driving transistor and an organic light-emitting diode; and the first subpixel, the second subpixel and the third subpixel of an identical pixel unit are electrically connected with a given reference signal line.

The present application discloses an organic light-emitting display panel and a driving method thereof, as well as an organic light-emitting display device. A specific implementation of the organic light-emitting display panel comprises: an array arrangement comprising a plurality of pixel units, a plurality of data lines and a plurality of reference signal lines, wherein each pixel unit comprises a first subpixel, a second subpixel and a third subpixel, and a color of the first subpixel, a color the second subpixel and a color of the third subpixel differ from one another; a pixel driving circuit is formed in each subpixel, and comprises a driving transistor and an organic light-emitting diode; and the first subpixel, the second subpixel and the third subpixel of an identical pixel unit are electrically connected with a given reference signal line.

The present application discloses an organic light-emitting display panel and a driving method thereof, as well as an organic light-emitting display device. The display panel includes: an array arrangement including pixel units, wherein each pixel unit comprises a first, a second, a third and a fourth subpixels; a pixel circuit is formed in each subpixel; the first, second, third and fourth subpixels of an identical pixel unit are arranged along a column direction and are electrically connected with a given reference signal line; a color of the first subpixel, a color of the second subpixel, a color of the third subpixel and a color of the fourth subpixel differ from one another, and the color of the first subpixel, the color the second subpixel and the color the third subpixel are red, blue and green, respectively; and the color of the fourth subpixel is not white.

A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.

A pixel circuit, is provided, including: a light-emitting element, a driving circuit, a data writing circuit, an on-off control circuit, a first initialization circuit and an energy storage circuit; the data writing circuit writes a data voltage into a third node under control of a first gate driving signal; the on-off control circuit controls communication between a first node and the third node under the control of the first gate driving signal; the first initialization circuit controls writing an initialization voltage into the first node under the control of the first gate driving signal; and a type of a transistor included in the first initialization circuit is different from a type of a driving transistor included in the driving circuit, and a type of a transistor included in the data writing circuit is different from the type of the driving transistor of the driving circuit.

Embodiments of the disclosure relate to an organic light emitting display panel and an organic light emitting display device including the same, and more specifically, to an organic light emitting display panel and an organic light emitting display device which include: an insulation film with at least one concave portion including a flat portion and an inclined portion surrounding the flat portion in at least one subpixel, a first electrode disposed on the concave portion, an organic layer disposed on the first electrode, a second electrode disposed on the organic layer, an encapsulation layer disposed on the second electrode, and at least one structure disposed on the encapsulation layer, overlapping at least one light emitting area, and having at least a side surface where a light reflecting member is disposed, thereby enhancing light extraction efficiency.