4results about How to "Increase potential difference" patented technology

An electric connector comprises a terminal assembly which is provided with an insulation part, a signal terminal fixed on the insulation part and a shielding piece with a main body part, the main body part extends to form two arm parts, and the rear sides of the arm parts are provided with guide connection ends; the serial connection piece is located on the rear sides of the multiple terminal assemblies and is provided with a serial connection end which is connected with a shielding layer of the cable in a conducting mode, the serial connection piece is provided with multiple serial connection parts with the same height, the serial connection parts and the conducting connection ends of the two arm parts form grounding conducting connection, the serial connection piece is provided with covering parts, and one covering part is located between the two serial connection parts; the covering part, the main body part of the shielding piece and the two arm parts jointly form four-side wrapping on the signal terminal; the grounding piece is located at the front sides of the plurality of terminal assemblies and is provided with a grounding end which is conductively connected with a shielding layer of the cable, the grounding piece is provided with a plurality of grounding parts with the same height, the grounding parts and the main body parts of the terminal assemblies form grounding conductively connection respectively, and the serial connection parts and the grounding parts are different in height; the guide connecting sheets are located below the terminal assemblies, and each guide connecting sheet is provided with a plurality of guide connecting parts which are electrically connected with the serial connecting piece and the grounding piece respectively.

This application provides a pixel circuit, a display panel, and a display device. The pixel circuit includes: a driving module; a bias compensation module, wherein the control terminal of the bias compensation module is electrically connected to a first control signal line, the first terminal of the bias compensation module is electrically connected to a target signal line, and the second terminal of the bias compensation module is electrically connected to either the first terminal or the second terminal of the driving module; the target signal line is electrically connected to a first periodic signal. This application can adjust the bias state of the threshold voltage of the driving module and can flexibly meet the adjustment requirements of the threshold voltage of the driving module under different conditions.

This invention discloses a display panel, its driving method, and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a light-emitting control module, a driving module, and a compensation module. The light-emitting control module includes a first light-emitting control module, which selectively provides a first power signal to the driving module. The driving module provides a driving current to the light-emitting element and includes a driving transistor. The compensation module compensates for the threshold voltage of the driving transistor. The operation of the pixel circuit includes a light-emitting stage and a biasing stage. In the biasing stage, the first light-emitting control module and the driving module are turned on, and the compensation module is turned off. The driving transistor is disconnected from the light-emitting element, and the first power signal is written from the source of the driving transistor to its drain to adjust the bias state of the driving transistor. This invention reduces the threshold voltage drift of the driving transistor.

The embodiment of the present application discloses a display panel, a driving method thereof and a display device, the display panel comprising: a pixel circuit and a light emitting element; the pixel circuit comprising a data writing module, a driving module and a compensation module; the data writing module is used for selectively providing a data signal for the driving module; the driving module is used for providing a driving current for the light emitting element, and the driving module comprises a driving transistor; the compensation module is used for compensating a threshold voltage of the driving transistor; and a working process of the pixel circuit comprises a bias stage, in the bias stage, the data writing module and the driving module are turned on, and the compensation module is turned off, a data signal is written into a drain of the driving transistor, and used for adjusting a bias state of the driving transistor. In the embodiment of the present application, the bias stage is added, and the voltage of the gate, the source or the drain of the driving transistor is adjusted, so that the threshold voltage drift of the driving transistor caused by a non-bias stage is weakened.