According to one embodiment, a display device includes a display panel including a gate line, source lines, and switching elements connected to the gate line and the respective source lines. A gate driver selects the gate line. A source driver supplies an image signal to the source lines. The image signals can be supplied to pixel electrodes through the switching elements. A frame period includes a first scan period in which the gate line is selected, a first hold period subsequent to the first scan period, a second scan period in which the gate line is selected subsequent to the first hold period, and a second hold period subsequent to the second scan period. The first hold period is longer than the second hold period.

Disclosed is an electroluminescent display device using a variable refresh rate (VRR) mode. The purpose of the present disclosure is to reduce the occurrence of a difference in luminance at a time point of a refresh rate change, thereby preventing viewers from perceiving the variation of the refresh rate.

Provided are a pixel driving circuit, a driving method and a display panel. The pixel driving circuit includes a driving transistor, a storage sub-circuit, a data writing sub-circuit, an initialization sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit and a light-emitting element. The data writing sub-circuit is configured to write a data signal to a first electrode of the driving transistor in response to a second scan signal. The storage sub-circuit is configured to store the data signal written by the data writing sub-circuit. The initialization sub-circuit is configured to apply a reset voltage of an initial voltage terminal to the light-emitting element in response to a first scan signal. The first light-emission control sub-circuit is configured to apply a voltage of a first power terminal to the first electrode of the driving transistor in response to a first light-emission signal.

A display apparatus includes gate lines configured to receive gate signals, data lines arranged to cross the gate lines and configured to receive data voltages, and pixels grouped into first pixel groups and second pixel groups and connected to the gate lines and the data lines. The gate signals are configured to be applied to the gate lines in a predetermined order while skipping at least one gate line without being sequentially and consecutively applied to two gate lines adjacent to each other among the gate lines.

Provided is a charging scan and charge sharing scan double output GOA circuit to combine the time sequence and circuit. The nth stage GOA unit circuit receives the first, the second low frequency clock signals (LC1, LC2), the direct current low voltage signal (Vss), the Mth, M−2th high frequency clock signals (CK(M), CK(M−2)), a stage transfer signal (ST(n−2)) generated by the n−2th stage GOA unit circuit, a charging scan signal (CG(n−2)) generated by the n−2th stage GOA unit circuit and a stage transfer signal (ST(n+2)) generated by the n+2th stage GOA unit circuit, the charging scan signal (CG(n)), a charge sharing scan signal (SG(n−2)) generated by the n−2th stage GOA unit circuit and the stage transfer signal (ST(n)) are respectively outputted with different TFTs; the nth stage GOA unit circuit comprises a transmission module (100), a transfer regulation module (200), an output module (300), a rapid pull-down module (400) and a pull-down holding module (500).

A liquid crystal display includes a display unit having a plurality of pixels in a plurality of first rows and second rows that are alternately arranged. A gate driver supplies a same scan signal to a plurality of pixels of a first row and a second row that are adjacent to each other among the plurality of first rows of pixels and the plurality of second rows of pixels at a first frame period and a second frame period that are continuous. A plurality of scan signals are respectively supplied to the plurality of second rows of pixels at the second frame period. A data driver generates a plurality of data voltages respectively corresponding to the plurality of first rows of pixels at the first frame period and generating a plurality of data voltages respectively corresponding to the plurality of second rows of pixels at the second frame period.

The present application discloses a display panel, a driving method and a display device. The display panel includes: a substrate, where the substrate is provided thereon with a plurality of data lines, a plurality of gate lines, and a plurality of pixels; each row of pixels includes a plurality of pixel groups, and each pixel group includes a first column of pixels and a second column of pixels; and a timing control chip configured to control the turn-on time of gate activating signals of the first column of pixels and the second column of pixels. The turn-on time of the gate activating signal of the first column of pixels is greater than the turn-on time of the gate activating signal of the corresponding second column of pixels.

The disclosed systems and methods relate in general to the field of user input to a touch sensitive device, and in particular to user input systems and methods which can reduce the latency between a most recent input event and the displaying of a rendered frame reflecting such input. In an embodiment, a method for decreasing latency between an input touch event and the display of a frame reflecting the input touch event in a touch sensitive device includes estimating the time of a next frame refresh, receiving from the operating system touch data reflective of an input touch event, determining the application associated with the input touch event, estimating the time it will take the application to process and render the received touch data, determining a time at which delivery of the touch data to the application will permit the application to process and render the touch data prior to the time of the next frame refresh, based at least in part on the estimated time it will take the application to process and render the touch data, and the estimated time of the next frame refresh, and providing the touch data to the application just prior to the determined time.

A display panel and a driving method thereof, and a display device. The display panel includes a substrate and a plurality of pixel circuits arranged in an array on the substrate, each of the plurality of pixel circuits includes a pixel driving chip and at least one light-emitting element electrically connected to the pixel driving chip, and the pixel driving chip is configured to receive and store a data signal and drive the at least one light-emitting element to emit light according to the data signal.

A control circuit including a first input-output pin, a second input-output pin, a sensing circuit and a display controller is provided. The first input-output pin is configured to be coupled to a first input pin of a display device and a first sensing pin of a capacitive touch device. The second input-output pin is configured to be coupled to a second input pin of the display device and a second sensing pin of the capacitive touch device. The display controller provides a first driving signal to the display device via the first input-output pin and providing a second driving signal to the display device via the second input-output pin in a display period. In a first sensing period, the voltage level of the first input-output pin is equal to a first predetermined level, and the sensing circuit detects the voltage of the second input-output pin.