A display device includes a display panel, a luminance compensator, and a data driver. The display panel includes a plurality of pixels. The luminance compensator is configured to calculate a scaling factor based on a target current, a black image current, and a sensing current. The target current is calculated based on an input current input to the display panel. The sensing current is measured from the display panel. The data driver is configured to generate a data voltage based on input image data to supply the data voltage to the pixels. The data voltage has a voltage level adjusted based on the scaling factor.

The present disclosure discloses a display device. The display device includes a first display structure, a second display structure and a backlight device. The first display structure includes first pixels arranged in an array, the first pixels are divided into multiple dimming areas, and each dimming area includes at least one first pixel. The first display structure is for adjusting the transmittance of each dimming area for lights emitted by the backlight device according to an image to be displayed in the next frame of the second display structure.

A display device including: first and second scan drivers; a data driver; a display unit including pixels connected to first and second scan lines, and data lines; and a controller controlling the first and second scan drivers, and the data driver, a first pixel includes: a light emitting element, a first transistor including a gate connected to a first node, wherein the first transistor is connected between a second node and a third node, a second transistor including a gate connected to a first scan line, the second transistor is connected between a data line and the second node, and a storage capacitor connected between the first node and a first power voltage; the first transistor is reverse biased by a second scan signal applied to a second scan line; and a first scan signal applied to the first scan line is different from the second scan signal.

Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.

A display device includes gate lines and pixels connected to the gate lines. The display device includes stages which provide gate signals to the gate lines, and first and second gate power lines which transfer a first voltage to the stages. A first stage among the stages includes a first node controller and a first output unit. The first node controller is connected to the second gate power line, and controls a voltage of a first control node. The first output unit is connected to the first gate power line, and outputs a first voltage of the first gate power line as a gate signal in response to a voltage of the first control node.

A pixel circuit comprises a light emission element; a driving transistor including a first electrode connected to the first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a first transistor including a first electrode receiving a third voltage, a second electrode connected to the first node, and a gate electrode receiving a second light emission control signal; a first transistor including a first electrode connected to a first line transferring a first power voltage, a second electrode connected to the second node, and a gate electrode receiving a first light emission control signal; a first storage capacitor connected between the third node and a fourth node; and a switching transistor including a first electrode connected to a data line, a second electrode connected to the fourth node, and a gate electrode receiving a scan signal.

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 display device of the present disclosure includes an image display device and a control unit, in which the image display device includes an image formation device, and an optical device that displays an image emitted from the image formation device in front of an observer while superimposing the image on a real image of an outside world, the control unit controls an operation of the image formation device, and in a case where a black display edge that is an edge of an area where black is displayed exists in the image, the control unit performs reversing processing and luminance increasing processing of the black display edge.

A display substrate and a display device are provided, which includes: a base substrate, a plurality of reset signal lines and a first electrode layer, the first electrode layer includes a plurality of first power supply voltage lines, a plurality of first signal lines, a plurality of first transfer electrodes, a plurality of second transfer electrodes and a plurality of third transfer electrodes, a value of a ratio of an area of an overlapping portion of an orthographic projection of the first body sub-portion and an orthographic projection of the first electrode layer on the board surface of the base substrate, and an area of an overlapping portion of an orthographic projection of the second body sub-portion on the board surface of the base substrate and the orthographic projection of the first electrode layer on the board surface of the base substrate ranges from 0.82 to 1.02.

A display apparatus, in which a black image is provided between real images and one frame period for displaying the black image is set to be shorter than one frame period where each of the real images is displayed, is provided. The display apparatus includes a display panel displaying a black image and a real image, a gate driver supplying gate signals to a plurality of gate lines provided in a display area of the display panel, and a controller controlling a function of the gate driver. A one-frame period for displaying the black image is shorter than a one-frame period where the real image is displayed.