An autonomous pixel comprises a display element, a plurality of different sensors and a control element. The sensors are arranged to detect one or more external stimuli and the control element is arranged to generate, entirely within the autonomous pixel, a control signal to drive the display element based, at least in part, on a magnitude of an external stimulus detected by one or more of the different sensors.

An electronic device including a substrate and a pixel circuit is provided. The substrate includes an active area and a peripheral area. The peripheral area is adjacent to the active area. The pixel circuit is disposed in the active area on the substrate. The pixel circuit includes an amplifier circuit and a tunable element. The amplifier circuit includes a non-inverting input terminal, an inverting input terminal, and an output terminal. The output terminal is electrically connected to the inverting input terminal, so that the amplifier circuit is a negative feedback circuit. The tunable element is electrically connected to the output terminal of the amplifier circuit.

A driving circuit includes a gamma chip configured to provide a plurality of initial binding point voltages; the gamma chip including a first type of output terminals and a second type of output terminals, currents corresponding to the initial binding point voltages outputted by the first type of output terminals being less than a preset driving current; and currents corresponding to the initial binding point voltages outputted by the second type of output terminals being greater than the preset driving current; and a data driving chip including a processor and a plurality of operational amplifiers.

The present disclosure relates to a method of electrically aging a PMOS thin film transistor. The method includes applying a first voltage Vg with an amplitude of A volts to a gate of the PMOS thin film transistor; applying a second voltage Vs with an amplitude of (A-40) to (A-8) volts to a source of the PMOS thin film transistor; and applying a third voltage Vd with an amplitude of (A-80) to (A-16) volts to a drain of the PMOS thin film transistor. Application of the first voltage Vg, the second voltage Vs and the third voltage Vd is maintained for a predetermined time period, and Vd−Vs<0. In this way, reduction of a leakage current of the PMOS thin film transistor is achieved without changing a structural design of the thin film transistor.

The present disclosure provides a pixel circuit and a driving method thereof, a display panel and a display apparatus. In the pixel circuit, a driving transistor has one of a source and a drain connected to a control voltage line, and the other connected to a light-emitting device; a storage capacitor has a first terminal connected to a gate of the driving transistor and a second terminal connected to the control voltage line; a conducting unit has a first terminal connected to a scanning line, a second terminal connected to a data line, a third terminal connected to a first terminal of an addressing unit, and a fourth terminal connected to a common terminal, and is configured to conduct a connection between the second terminal and the third terminal when the first terminal is at a first level and conduct a connection between the third terminal and the fourth terminal when the first terminal is at a second level; and the addressing unit has a second terminal connected to the data line and a third terminal connected to the first terminal of the storage capacitor, and is configured to conduct a connection between the second terminal and the third terminal when the first terminal is at a valid level.

A compensation circuit for a common electrode voltage and a display device. The compensation circuit includes a control module, a selection module, a transmission module and an output module. The control module generates a control signal and transmits the control signal to the selection module. The selection module selects one of a signal from a first common electrode voltage terminal, a signal from a second common electrode voltage terminal, a signal from a third common electrode voltage terminal and a signal from a fourth common electrode voltage terminal as an input signal based on the control signal and a signal from a turn-on voltage terminal, and transmits the input signal to the output module. The transmission module transmits the feedback signal received from the control module to the output module. The output module generates a compensation signal based on the feedback signal and the input signal.

Disclosed includes an apparatus, a drive method, a display panel, and a display device. The apparatus may comprise a drive transistor, a light emitting device driven by the drive transistor and a comparator. The comparator may have a first input coupled to a pixel voltage, a second input coupled to a reference voltage, a first control terminal coupled to a first control voltage, a second control terminal coupled to a second control voltage, and an output coupled to a gate of the drive transistor. The comparator may be configured to output the first control voltage to the output during a first time period in which the pixel voltage is not smaller than the reference voltage and output the second control voltage to the output during a second time period in which the pixel voltage is smaller than the reference voltage.

A pixel circuit and a display device using a pulse width modulation generator are provided. The pixel circuit has a data latch; and a pulse width modulation (PWM) generator, which is electrically coupled to the data latch, a scan line and a counter; wherein, the pulse width modulation generator is based on the pixel data, the scan signal and a counter code generated by the counter to generate a pulse width modulation (PWM) signal. Therefore, the pixel signal can be generated in a voltage and/or current mode according to the PWM signal and connected to the corresponding pixel electrode of the pixel display medium module, so that the period time for driving the display medium by accurately controlling the voltage and/or current to precisely provide grayscale function of the display.

A driving circuit includes at least one pixel circuit and a control circuit. A pixel circuit is configured to write a first data signal in response to a scan signal, and generate a first driving signal according to a first signal and the first data signal. The control circuit is configured to monitor the first driving signal and provide another first data signal to the pixel circuit according to a second data signal and the first driving signal. The pixel circuit is further configured to provide another first driving signal to a light-emitting device according to the first signal and the another first data signal, and in response to an enable signal of the enable signal terminal, provide a second driving signal to the light-emitting device according to a second signal and the another first data signal.

The present disclosure generally relates to a method of sensing characteristic value of circuit element and display device using it, which may shorten the threshold voltage sensing and compensation time of the driving transistor and the threshold voltage compensation time driving transistors by sensing the threshold voltage in a mobility sensing period of the driving transistor, calculate the threshold voltage using two or more sensing values of driving current for the driving transistor.