The pixel circuit and its drive method, the display panel, and the display device are provided in the present disclosure. The pixel circuit includes a data write unit, a voltage compensation unit, a first switch unit, a second switch unit, a third switch unit, a liquid crystal capacitor, and a storage capacitor. In a dynamic display stage, the first switch unit and the second switch unit are turned on for conduction; and the data write unit transmits a data voltage signal to the liquid crystal capacitor and the storage capacitor. In a static display stage, the third switch unit is turned on for conduction; the voltage compensation unit is controlled to be in conduction through first and second reference voltage signals and a potential signal of the storage capacitor; and a first voltage signal terminal transmits a first voltage signal to the liquid crystal capacitor.

A method for driving display panel includes: for one of adjacent two frames of displayed images, when scanning odd-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in first order by a data selector;

when scanning even-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in second order by the data selector; first and second orders each represents an order of inputting data signals to the data lines; first order is opposite to second order; for the other of the adjacent two frames of displayed images, when scanning odd-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in second order by the data selector; when scanning even-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in first order by the data selector.

Disclosed are a pixel circuit, a driving method of the pixel circuit and a display device, the pixel circuit including a reset unit, a voltage writing unit and a light-emitting control unit, the reset unit is connected to a reset control signal terminal, and resets the pixel circuit under the control of the reset control signal; the voltage writing unit stores a data signal and a threshold voltage of a driving transistor under the control of the scan control signal; the light-emitting control unit is connected to a light-emitting control signal terminal and includes the driving transistor, and use the data signal and the threshold voltage to generate a current under control of the light-emitting control signal; the light-emitting control unit includes a first type transistor, the reset unit and the voltage writing unit include a second type transistor different from the first type transistor.

An inverter, a gate driver on array circuit, and a display panel are provided. The inverter includes a first transistor, a second transistor, a third transistor, a fourth transistor, a first test transistor, a second test transistor, and a third test transistor. A gate and a source of the first transistor and a source of the third transistor are electrically connected to a first test signal line, a drain of the first transistor, a drain of the second transistor is electrically connected to a first node, a gate of the second transistor and a gate of the fourth transistor are electrically connected to the pull-up node, and a drain of the third transistor and a drain of the fourth transistor are electrically connected to a second node.

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 display panel includes a pixel structure, including a plurality of pixel groups, and the pixel group includes: a first switch, having a second end coupled to a first main pixel; a second switch, having a second end coupled to a first sub-pixel; a third switch, having a second end coupled to the first sub-pixel; a first capacitor, having one end coupled to a first end of the third switch and another end coupled to a common electrode; and a fourth switch, having a second end coupled to a second main pixel; a fifth switch, having a second end coupled to a second sub-pixel; a sixth switch, having a second end coupled to the second subpixel; a second capacitor, having one end coupled to a first end of the sixth switch and another end coupled to the common electrode.

The present application discloses a pixel driving circuit. The circuit includes an input sub-circuit configured to set a voltage level at a first node; a storage sub-circuit coupled between the first node and a second node; and a drive sub-circuit coupled to the first node and the second node and configured to drive light emission of a light-emitting device. Additionally, the circuit includes a charge sub-circuit coupled to the drive sub-circuit, and configured to charge the drive sub-circuit to latch a voltage level at the second node to be larger than a first threshold but smaller than a second threshold. Furthermore, the circuit includes an adjust sub-circuit coupled to a second node and coupled to the input sub-circuit at least via the first node, and configured to at least adjust voltage level at the second node to make the light-emitting device with an inverted polarity in one partial period.

A display device includes a first switching element including a second electrode and a first gate electrode, a second switching element including a third electrode connected with the first gate electrode, a third switching element including a fifth electrode connected with the second electrode, and sixth electrode, a fourth switching element including a seventh electrode connected with the second electrode, and an eighth electrode, a fifth switching element including a ninth electrode connected with the second electrode, and a tenth electrode, a first light emitting diode connected with the sixth electrode and the eighth electrode, a second light emitting diode connected with the eighth electrode and the sixth electrode, and a switch selectively connecting a common power source line with the sixth electrode or the eighth electrode. The first light emitting diode and the second light emitting diode have different polarities from each other with respect to a same direction.

A pixel driving circuit and a display panel are provided. The pixel driving circuit uses a 7T3C structure to effectively compensate a threshold voltage of a driving transistor in each pixel, a compensation structure of the pixel driving circuit is relatively simple, and operation difficulty is low. Moreover, a light emitting device emits light during a programming phase and an illumination phase, which increases light emitting time of the light emitting device, thereby improving a brightness and a life of the display panel.

An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.