A pixel comprising a light emitting unit comprising at least one light emitting element; a pixel circuit for supplying current to the light emitting in response to a data signal; a sensing transistor electrically connected between a data line and a first node that is a common node of the light emitting unit and the pixel circuit; and a control transistor electrically connected between a scanning line and a gate electrode of the sensing transistor.

A gate driving circuit includes a shift unit and a switch unit. The shift unit receives a start input signal, a first clock input signal and a second clock input signal to generate an enable output signal. The switch unit is connected to the shift unit and receiving the enable output signal. The switch unit outputs a third clock signal based on the enable output signal.

A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.

Disclosed are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate and a plurality of sub-pixels, at least one sub-pixel includes a pixel drive circuit and a light emitting device connected to the pixel drive circuit, the pixel drive circuit includes a plurality of transistors, wherein at least one transistor includes an active layer and two gate electrodes. The substrate is provided with a semiconductor layer and a plurality of conductive layers disposed on one side of the semiconductor layer away from the substrate, at least one conductive layer is provided with at least one electrode plate, and there is an overlapping region between an orthographic projection of the electrode plate on the substrate and an orthographic projection of the active layer between the two gate electrodes on the substrate.

A display device can include a display panel having a plurality of subpixels; a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of gate lines, and output a feedback voltage; a data driving circuit configured to supply a plurality of data voltages to the display panel through a plurality of data lines; a power management circuit configured to supply a plurality of driving voltages to the gate driving circuit and the data driving circuit, and supply a compensating high-potential gate voltage to the gate driving circuit based on the feedback voltage transferred from the gate driving circuit. The display device can further include a timing controller configured to control the gate driving circuit, the data driving circuit, and the power management circuit.

A method of driving an electro-optic display including a layer of electro-optic material disposed between a common electrode and a backplane including an array of pixel electrodes, each coupled to a transistor including a source, gate, and drain electrode. The gate electrode is coupled to a gate line, the source electrode is coupled to a scan line, and the drain electrode is coupled to the pixel electrode. A controller provides time-dependent voltages to the gate, scan, and common electrodes, including a common electrode that is the maximum voltage the controller is capable of applying, and a scan line voltage to every pixel that is the maximum voltage the controller is capable of applying. A gate voltage sufficient to activate the pixel transistor to the gate of every pixel transistor is applied, thereby applying voltage potential across the electro-optic material.

An electroluminescent display apparatus can include a display panel including a first active region configured to display first image data and a second active region configured to display second image data. The apparatus can further include a first memory configured to store a first main compensation value and a first boundary compensation value, corresponding to first pixels in the first active region, and a second memory configured to store a second main compensation value and a second boundary compensation value, corresponding to second pixels in the second active region. The apparatus can further include a first timing controller configured to correct the first image data based on the first main compensation value and the first and second boundary compensation values, and a second timing controller configured to correct the second image data based on the second main compensation value, the second boundary compensation value, and the first boundary compensation value.

A display device includes a display panel including pixels, a data driver configured to apply a data voltage to each of the pixels, to apply a first reference voltage to the pixels in a first period of a first sensing period to generate first sensing data corresponding to a first driving current flowing through a driving transistor of each of the pixels, and to apply a second reference voltage to the pixels in a second period of the first sensing period to generate second sensing data corresponding to a second driving current flowing through the driving transistor of each of the pixels, and a driving controller configured to receive the first sensing data and the second sensing data from the data driver to compensate input image data based on the first sensing data and the second sensing data.

A light emitting display apparatus, which can sense a characteristic change of a transistor provided in a stage and supply a driving voltage, and which can compensate for the characteristic change, includes stages for supplying gate signals to gate lines provided in the light emitting display panel, and a controller for controlling a magnitude of a driving voltage to be transmitted to the stages by using sensing data received from the stages.

Provided are a display panel, a driving method thereof and a display device. The display panel includes: a pixel circuit and a light-emitting element, where the pixel circuit includes a light emitting control module, a drive module and a compensation module; the light emitting control module includes a first light emitting control module configured to selectively provide a first power supply signal for the drive module; the drive module is configured to provide a drive current for the light-emitting element and comprises a drive transistor; the compensation module is configured to compensate a threshold voltage of the drive transistor; and a working process of the pixel circuit includes a light emitting stage and a bias stage.