A display device capable of improving image quality is provided. A display device includes a plurality of pixel blocks in a display region. The pixel blocks each include a first circuit and a plurality of second circuits. The first circuit has a function of adding a plurality of pieces of data supplied from a source driver. The second circuit includes a display element and has a function of performing display in accordance with the added data. One pixel has a configuration including one second circuit and an component of the first circuit that is shared. When the first circuit is shared by a plurality of pixels, the aperture ratio can be increased.

The present application discloses a display panel and a display device. The display panel includes a plurality of pixel unit groups. Each pixel unit group includes a first row of pixel units and a second row of pixel units, which are adjacently disposed. A first gate driver on array (GOA) circuit unit electrically connected to the first row of pixel units and a second GOA circuit unit electrically connected to the second row of pixel units are further disposed between the first row of pixel units and the second row of pixel units. The first GOA circuit unit and the second GOA circuit unit share at least one signal transmission line.

A display pixel may include an organic light-emitting diode, one or more emission transistors, a drive transistor, a gate setting transistor, a data loading transistor, and an initialization transistor. The drive transistor may be implemented as a semiconducting-oxide transistor to mitigate threshold voltage hysteresis to improve first frame response at high refresh rates, to reduce undesired luminance jumps at low refresh rates, and to reduce image sticking. The gate setting transistor may also be implemented as a semiconducting-oxide transistor to reduce leakage at the gate terminal of the drive transistor. The initialization transistor may also be implemented as a semiconducting-oxide transistor so that it can be controlled using a shared emission signal to reduce routing complexity. The remaining transistors in the pixel may be implemented as p-type silicon transistors. Display pixels configured in this way can support in-pixel threshold voltage compensation and on-bias stress phase to further mitigate the hysteresis.

A transparent display device includes a substrate having an emission area and a transparent area, a light-emitting diode provided in the emission area and including a first electrode, a light-emitting layer and a second electrode, a first connection pattern provided between the emission area and the transparent area and formed of a same material and on a same layer as the first electrode, and a second connection pattern provided in the transparent area and connected to the first connection pattern, wherein the second electrode overlaps the first and second connection patterns and are electrically connected to the first and second connection patterns.

An organic light emitting display device includes: a display panel including a plurality of pixel rows each including first pixel groups alternating with second pixel groups; a gate driver configured to provide a first group gate signal to the first pixel groups, and to provide a second group gate signal to the second pixel groups; a data driver configured to output data voltages to a plurality of output line groups; and a connection controller configured to connect the output line groups to a first data line group in response to a first connection control signal, and to connect the output line groups to a second data line group in response to a second connection control signal.

A display device can include a display panel including a plurality of data lines, a plurality of scan lines, a plurality of light emission control lines, and a plurality of sub-pixels; a first driving circuit configured to drive the plurality of data lines; a second driving circuit configured to drive the plurality of scan lines; and a third driving circuit configured to drive the plurality of light emission control lines, in which the display panel includes an active area in which an image is displayed and a non-active area which is an edge area of the active area.

The present application discloses a display panel and a display apparatus. The display panel includes: a first substrate, pixels, data lines, and scan lines. The pixels include first pixels and second pixels. The first pixels each include a first primary pixel and first secondary pixel, and the second pixels each include a second primary pixel and a second secondary pixel. The first primary pixel and the first secondary pixel are connected to an n.sup.th row of scan line and an n.sup.th row of data line, and the second primary pixel and the second secondary pixel are connected to the n.sup.th row of scan line and the n.sup.th row of data line. The first secondary pixel is connected to a first pull-down circuit, and the second secondary pixel is connected to a second pull-down circuit.

A pixel includes a first light source including at least one first light emitting element between a first split electrode and a second power supply; a second light source unit including at least one second light emitting element between a second split electrode and the second power supply; a driving-current generator including a first transistor between a first power supply and the first and second light source units and generating a driving current corresponding to a first data signal; a first switching unit including a first switching element between the driving-current generator and the first light source; and a second switching unit including a second switching element between the driving-current generator and the second light source unit and controlling an electrical connection between the first and second light source units in response to a second data signal.

An organic light emitting diode display with improved aperture ratio includes: a substrate; first and second pixels disposed in a first row of the substrate and third and fourth pixels disposed in a second row adjacent to the first row and respectively disposed in the same columns as the first and second pixels; a scan line and a previous scan line applying a scan signal and a previous scan signal, respectively, to the pixel units; a data line and a driving voltage line applying a data signal and a driving voltage, respectively, to the pixel units; and a common initialization voltage line disposed between the first and second pixels and between the third and fourth pixels, commonly connected to the pixel units, and applying an initialization voltage. One common initialization contact hole connected to all pixels units and one initialization voltage line connected to the common initialization contact hole are surrounded by the pixel units.

A display apparatus capable of improving image quality is provided. In the display apparatus, an adder circuit is provided inside and outside a display region, and the adder circuit has a function of adding a plurality of pieces of data supplied from a source driver. Some components of the adder circuit are separately arranged in a pixel region. Thus, limitation on the size of a component included in the adder circuit can be eased, and data addition can be performed efficiently. In addition, by providing the other components included in the adder circuit outside the display region, the number of wirings in the display region can be reduced and the aperture ratio of the pixel can be increased.