A display apparatus is disclosed, which comprises a display panel including pixels connected to the gate lines and data lines, a data driver configured to sequentially output data signals and output selection signals, and a distributor comprised of transistors connected to each of the data lines and switched in accordance with the selection signal to output the data signals sequentially output from each of a plurality of source channels to the connected data lines, wherein a cycle of each of the selection signals has a transistor-on period and a transistor-off period, a first cycle of a first selection signal among the selection signals is different from a second cycle of the first selection signal, and a first transistor-off period in the first cycle of the first selection signal is different from a second transistor-off period in the second cycle of the first selection signal.

A screen saver controller includes a temperature calculator, a temperature comparator, an operator, and a screen saver data generator. The temperature calculator calculates temperature data of a display panel based on input image data. The temperature comparator receives the temperature data and a target temperature and compares a temperature of the display panel with the target temperature to generate temperature change data. The operator receives the temperature data and the temperature change data and generates operation data based on the temperature data and the temperature change data. The screen saver data generator receives the operation data and generates screen saver data based on the operation data. The screen saver controller adjusts a luminance of the display panel based on the screen saver data when operating in a first mode.

A driving controller includes an oscillator and a signal generator. The oscillator is configured to generate an oscillation signal based on an input current. The signal generator is configured to generate a gate driving signal and a data driving signal based on the oscillation signal. The oscillator is configured to maintain a frequency of one horizontal period of the oscillation signal to be constant when an oscillation fundamental frequency is shifted. When the oscillation fundamental frequency is f0 and a fundamental constant is N0, the frequency of one horizontal period is f0/N0.

A method in which a sensor controller is connected to a sensor having an electrode group provided together with a display panel configured to operate in during a variable refresh cycle among a plurality of refresh cycles, and an active stylus performs bidirectional communication with the sensor controller. According to the method, the sensor controller acquires a present refresh cycle among the plurality of refresh cycles of the display panel, generates an uplink signal, which serves as a reference for synchronization corresponding to the acquired present refresh cycle, and transmits the uplink signal to the active stylus, which is not detected as yet or is detected already, at the present refresh cycle.

A scanning circuit, a display panel and a display device. The scanning circuit includes a scanning signal output module, a light emitting control signal output module, a first output control module, a second output control module, a reset module, a clock signal input terminal, a first potential signal input terminal, a second potential signal input terminal, a scanning signal output terminal, a light emitting control signal output terminal, a shift signal input terminal and a reset control signal input terminal.

A display substrate, a driving method therefor, and a display device are provided. The display substrate includes: a base substrate, provided with multiple pixel islands discretely provided, the pixel islands including multiple subpixels distributed in an array; a plurality of pixel circuits, arranged in the subpixels respectively, each of the pixel circuits including a driving transistor and a light-emitting component, a first electrode of the driving transistor being electrically connected to a first power supply end, a second electrode of the driving transistor being electrically connected to an anode of the light-emitting component, and a cathode of the light-emitting component being electrically connected to a second power supply end; and multiple light emission control circuits, each arranged at a gap between adjacent pixel islands, the light emission control circuit being electrically connected between the first power supply end and the first electrode of the driving transistor.

Display devices are disclosed. In one example, a display device includes light emitting element groups each including light emitting element units, each of the light emitting element units including first, second and third light emitting elements. Each of the light emitting element groups includes first drive circuits that drive the first light emitting elements, second drive circuits that drive the second light emitting elements, and third drive circuits that drive the third light emitting elements, and in each of the light emitting element groups, the number of first drive circuits is equal to the number of first light emitting elements, the number of second drive circuits is less than the number of second light emitting elements, and the number of third drive circuits is less than the number of third light emitting elements.

The disclosure includes multiple data drivers provided for each predetermined number of data lines. Each data driver receives an image signal; generates, based on the image signal, a positive gradation data signal and a negative gradation data signal; outputs one of the positive and negative gradation data signals to one of a first and second data line groups of a display panel; and outputs the other of the positive and negative gradation data signals to the other of the first and second data line groups. The data driver shifts a phase of the negative gradation data signal in a direction delayed with respect to the positive gradation data signal, and controls a slew rate of an output amplifier for outputting the positive gradation data signal to be lower than that of an output amplifier for outputting the negative gradation data signal.

An electronic device includes a processor, a sensor module, and a display device. The display device includes a display panel including a normal display region in which first pixels are disposed, and a light transmission region in which second pixels are disposed, the light transmission region overlapping the sensor module, and a panel driver driving the display panel based on input image data received from the processor, and transferring light transmission region position information representing a position of the light transmission region to the processor. The processor performs a masking operation on the input image data for the light transmission region based on the light transmission region position information in a first mode.

A pixel circuit and a display device including the same are disclosed. The pixel circuit includes a driving element including a first electrode connected to a first node to which a pixel driving voltage is applied, a gate electrode connected to a second node, and a third electrode connected to a third node; a light emitting element including an anode electrode connected to the third node, and a cathode electrode to which a pixel ground voltage supply voltage is applied; a first switch element configured to supply a data voltage to the second node in response to a scan pulse; and a second switch element configured to supply a first initialization voltage set to a negative voltage that is less than the pixel ground voltage supply voltage to the third node in response to a first initialization pulse.