Abstract: Disclosed are a pixel circuit, a method for driving the same, a display panel, a display device, and the pixel circuit which includes a driving transistor structured with double-gates, a first switch transistor, a second switch transistor, a third switch transistor, a fourth switch transistor, a first capacitor, a second capacitor, and a light-emitting element; and the respective transistors and capacitors above cooperate with each other to compensate for threshold voltage of the driving transistor, so that driving current to drive the light-emitting element to emit light is only dependent upon voltage of a data signal, the light-emitting element is avoided from being affected by the threshold voltage of the driver control module, and when the same data signal is applied to different pixel elements, an image at the same brightness can be displayed.

Abstract: The present disclosure discloses an OLED display panel, a method for driving the same and a display device. A high-potential voltage and a low-potential voltage are supplied to each shift register unit through a power supply, respectively. A voltage difference between a high-potential voltage and a low-potential voltage supplied to a first shift register unit by the power supply is a first voltage difference, and a voltage difference between a high-potential voltage and a low-potential voltage supplied to a second shift register unit by the power supply is a second voltage difference. The first voltage difference differs from the second voltage difference.

Abstract: Provided are an organic light-emitting display panel, a driving method and a driving device therefor. The driving method includes: setting a plurality of brightness levels of the organic light-emitting display panel and a plurality of maximum gray scale brightnesses, and the plurality of maximum gray scale brightnesses include a first maximum gray scale brightness corresponding to a maximum brightness level of the organic light-emitting display panel, and an effective pulse duty cycle of a light-emitting control signal for driving the first maximum gray scale brightness is defined as a first effective pulse duty cycle; determining a target brightness level of the switched picture and a target maximum gray scale brightness corresponding to the target brightness level; adjusting the target effective pulse duty cycle of the light-emitting control signal for driving the switched picture.

Abstract: Disclosed are a display panel and a display device. When a display area is divided into a first display area and a second display area, and the number of pixels in a row of pixels in the second display area is smaller than the number of pixels in a row of pixels in the first display area, a load on a scan signal line connected with a row of pixels in the second display area is lower than a load on a scan signal line connected with a row of pixels in the first display area, and at least one of the respective scan signal lines connected with the respective rows of pixels in the second display area is connected with a compensation capacitor.

Abstract: Disclosed are a pixel circuit and method for driving the same, an organic light emitting display panel and a display device. Prior to the data signal is written into the control electrode of the driving transistor, a unified common voltage signal is input to the first electrode of the driving transistor. The common voltage signal, along with a threshold voltage of the driving transistor, is written into the control electrode of the driving transistor. It can be ensured that each time the data signal is written to the control electrode of the driving transistor, voltages of the control electrode and the first electrode of the driving transistor can jump by a unified potential, so as to avoid the variation of the voltage change in the control electrode which came as a result of the parasitic capacitance between the control electrode and the first electrode of the driving transistor.

Abstract: Disclosed are a drive method and a drive device for a display panel, a display panel and a display device. The method comprises: acquiring a picture to be displayed by a display panel; driving the display panel with a first picture refresh frequency to display the picture to be displayed if the number of successive frames of pictures same to the picture to be displayed exceeds a preset number; otherwise, driving the display panel with a second picture refresh frequency to display the picture to be displayed; and, the first picture refresh frequency is less than the second picture refresh frequency.

Abstract: An organic light emitting (OLED) display panel, a driving method thereof, and a display apparatus are provided. The OLED display panel comprises a display region including N number of pixel rows and a non-display region including a light-emitting driver circuit and a scanning driver circuit. The display region includes a first display region including N1 number of pixel rows and a second display region including N2 number of pixel rows, where N1, N2, and N are positive integers, and N1+N2=N. A pixel row in the second display region has a smaller number of pixels than a pixel row in the first display region. The light-emitting driver circuit is configured to, in scanning time S for each frame, supply a light-emitting control signal having n number of light-emitting cycles to each pixel row in the display region, where n is a positive integer.

Abstract: Disclosed are a display panel and an electronic device. The display panel includes sub-pixels arranged in an array, wherein each pixel row of the sub-pixels comprises 3n sub-pixels, with every six adjacent sub-pixels of the pixel row forming a pixel group, n?2, and the six adjacent sub-pixels of the pixel group are arranged in sequential order in a first direction parallel to the row direction. The display panel further includes a controller, where in a first display mode the controller controls each of the sub-pixels to be charged to emit light; and in a second display mode the controller controls at most two sub-pixels of each of the pixel groups in at least one of the pixel rows to not emit light, and controls at most two sub-pixels of the pixel group which have same order in two adjacent frames of pictures to not emit light.

Abstract: Disclosed are a shift register element, a method for driving the same, and a display panel. The method includes: an output module including a first node and a third node, wherein the output module is configured to provide an output terminal with a signal of a first signal terminal or a second signal terminal according to voltage applied to the first node and the third node; a first driver configured to control the voltage of the first node, and voltage of a second node according to signals of the first input terminal and the second input terminal; a second driver configured to control voltage of the third node according to the voltage of the first node and the second node; and a feedback regulation module configured to control voltage of the first node according to the signal of the output terminal, and signals of a third input terminal and a fourth input terminal.

Abstract: The present disclosure discloses an electroluminescent display panel, a display device and a method for driving the same. The electroluminescent display panel includes a plurality of pixel circuits arranged in an array, wherein the plurality of pixel circuits each includes a node initialization module and an anode reset module; wherein a connection passage is arranged between every two adjacent pixel circuits of each column of the plurality of pixel circuits; and the connection passage is configured to provide a reference signal to either an anode reset module or a node initialization module of one of the every two adjacent pixel circuits.

Abstract: The disclosure discloses a pixel circuit, a method for driving the same, and a display panel. Before a drive control module controls a drive transistor to drive a light emitting device to emit light, a node reset module provides a gate of the drive transistor with a signal of a first voltage terminal; and also while the node reset module is providing the gate of the drive transistor with the signal of the first voltage terminal, a light emitting control module provides a first electrode of the drive transistor with the signal of the first voltage terminal.

Abstract: The disclosure discloses a display panel and a display device. The display panel includes a display region, and a non-display region adjacent to the display region. The display region includes a first display region and a second display region, the first display region includes first pixels arranged in an array, the second display region includes second pixels arranged in an array, and the number of pixels in any one row of the first pixels is less than the number of columns of the second pixels. The display panel further includes a gate driver circuit arranged in the non-display region and first signal lines, each of the first signal lines is connected with the gate driver circuit, and at least one of the first signal lines provides a row of first pixels with a control signal; a resistance compensation unit is disposed on at least one of the first signal lines.

Abstract: The disclosure discloses an organic electroluminescent display panel and a display panel, where initialization transistor and the control transistor are connected by a second power source signal line, and if the initialization transistor is turned on by first scan signal line, and if the control transistor is turned on by light emitting control line, then different electrical signal will be loaded on the second power source signal line to thereby reset the gate of a drive transistor in an initialization stage, and to load power source voltage to the source of the drive transistor for light emission and displaying, in a light emitting stage.

Abstract: The disclosure discloses a pixel circuit, a method for driving the same, and an organic electroluminescent display panel, where the pixel circuit includes a node initialization module and a drive control module, the node initialization module includes a first switch transistor with a gate electrically connected with a first scan signal terminal, a source electrically connected with a first reference signal terminal, and a drain electrically connected with a first node; and a seventh switch transistor with a gate electrically connected with the first scan signal terminal, a source electrically connected with the second reference signal terminal, and a drain electrically connected with the second node; the drive control module includes a drive transistor with a gate electrically connected with the first node, a source electrically connected with the second node.

Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a plurality of pixel circuits, and each of the pixel circuit includes an initialization component, a data writing component, a light emitting control component, a voltage storage component, a driving transistor, a first voltage maintenance component, a switching control component, an external compensation component and a light-emitting diode. The driving transistor is a dual-gate transistor, and a second gate of the dual-gate transistor is electrically connected to the external compensation component through the switching control component. The external compensation component is under the control of the switching control component to firstly collect the voltage at a third node and then provide a compensation voltage to a second node to adjust the threshold voltage of the dual-gate transistor so that the threshold voltage of the dual-gate transistor is more approximate to a standard threshold voltage.

Abstract: A shift register element, a method for driving the same, and a display device are disclosed. The shift register element includes: an output module configured to provide an output terminal with a signal of a first signal terminal or a second signal terminal by voltage applied to a first node and a second node; a first driver configured to control voltage of the first node by the signal of the first input terminal; a second driver configured to control voltage of the second node by the signal of the first input terminal, and a signal of a third input terminal; a first feedback and adjustment module configured to control the voltage of the first node by the signals of the output terminal and the second input terminal; and a second feedback and adjustment module configured to control the voltage of the second node by the signal of the output terminal.

Abstract: A display panel and a display panel compensation method are provided. The display panel comprises at least one pixel compensation circuit including a voltage adjustment module, a conversion module, a first memory module, and a comparison module; and a plurality of pixel driving circuits each including a data input module, a driving module, a second memory module, a sensing module, and a light-emitting element. The pixel compensation circuit compensates a threshold voltage shift of the pixel driving circuit. The voltage adjustment module has an input terminal connected to a first power supply, and an output terminal connected to an input terminal of the data input module. The data input module has an output terminal connected to a controlling terminal of the driving module, and a controlling terminal connected to a first scanning signal line. The driving module has an output terminal connected to an input terminal of the sensing module.

Abstract: The invention discloses an organic light-emitting display panel, a method and apparatus for testing the same, and a method for displaying on the same. The luminance of each of grayscales of a displayed picture is preset; a data signal voltage corresponding to the highest grayscale is determined while switching from a preset picture to another picture without any afterimage. An active pulse duty cycle of a light-emission control signal is determined according to the determined data signal voltage and the luminance of the highest grayscale. Data signal voltages corresponding to the other grayscales are determined. The determined active pulse duty cycle of the light-emission control signal, and the determined data signal voltages corresponding to the respective grayscales are stored.

Abstract: The invention discloses a shift register element, a method for driving the same, and a display panel, where the shift register element includes an input module, a first control module, a second control module, a feedback and adjustment module, an output module, a first coupling module, and a second coupling module; the feedback and adjustment module feeds a signal from the output signal terminal back to a first node under the control of the second clock signal terminal, and the second control module connects the first node with a third node under the control of a first signal; and the first control module provides a second node with a signal of the first clock signal terminal or the first signal terminal under the control of a first clock signal terminal.

Abstract: The disclosure discloses a display panel, a display device, and a method for driving a pixel circuit, and the pixel circuit includes a data writing module, a light-emission control module, a driver control module, a threshold compensation module, an anode resetting module, a node initialization module, and an organic light-emitting diode. The threshold compensation module can compensate for drifting of threshold voltage of the driver transistor so that the pixel circuit can emit light and display while operating current of the driver transistor to drive the light-emitting element to emit light is only dependent upon a signal on the data line and voltage at a reference signal end, but independent of the threshold voltage and a first power source voltage end to thereby avoid the threshold voltage and an IR drop from affecting the current flowing through the organic light-emitting diode.