CN-122024658-A - Driving method, driving circuit and electronic equipment of display panel

Abstract

The application provides a driving method, a driving circuit and electronic equipment of a display panel. The display panel is provided with a plurality of gate lines, and displays an image in an updating process, wherein the updating process comprises at least one local scanning period and at least one global scanning period. And in the local scanning period, driving the grid lines corresponding to the local updating area in sequence. In the global scanning period, all gate lines are sequentially driven. Therefore, the driving method, the driving circuit and the electronic equipment of the display panel can reduce the display deviation degree of the display panel and improve the display quality when the display panel is locally updated. Meanwhile, the power consumption of the display panel can be reduced.

Inventors

• LIU TINGHAO
• LIN YUYANG

Assignees

• 天钰科技股份有限公司

Dates

Publication Date

20260512

Application Date

20260320

Claims (10)

1. 1. A driving method of a display panel, wherein a plurality of gate lines are disposed on the display panel, the display panel displays an image in an update process, the update process includes at least one local scanning period and at least one global scanning period, the driving method comprising: Acquiring a local update area which needs to be updated on the display panel; sequentially driving the grid lines corresponding to the local updating areas in the local scanning period; And in the global scanning period, all the grid lines are sequentially driven.
2. 2. The driving method according to claim 1, characterized in that the driving method comprises: And determining the interval and/or continuous times of the at least one global scanning period to determine the arrangement sequence of the global scanning period and the local scanning period in the updating process.
3. 3. The driving method according to claim 2, characterized in that the driving method comprises: and determining the interval and/or the continuous times of the at least one global scanning period according to the display deviation degree of the display panel.
4. 4. A driving method according to claim 2 or 3, characterized in that the driving method comprises: And determining the interval and/or the continuous times of the at least one global scanning period according to the target power consumption of the display panel.
5. 5. A driving method according to claim 3, characterized in that the driving method comprises: Determining the display deviation degree of the display panel according to the difference between the brightness and/or color coordinates of the pixels of the non-local updating area before the picture updating and the brightness and/or color coordinates of the pixels after the picture updating; The non-local update region is a display region other than the local update region.
6. 6. The driving method as claimed in claim 1, wherein a last scanning period in the updating process is the global scanning period.
7. 7. A driving circuit electrically connected to a display panel, wherein a plurality of gate lines are disposed on the display panel, the display panel displays an image during an update process, the update process includes at least one local scan period and at least one global scan period, and the driving circuit is configured to: Acquiring a local update area which needs to be updated on the display panel; And outputting a gate driving signal to the plurality of gate lines, wherein the gate driving signal is used for sequentially driving the gate lines corresponding to the local updating region in the local scanning period, and is used for sequentially driving all the gate lines in the global scanning period.
8. 8. The drive circuit of claim 7, wherein the drive circuit is to: And determining the interval and/or continuous times of the at least one global scanning period to determine the arrangement sequence of the global scanning period and the local scanning period in the updating process.
9. 9. The drive circuit of claim 8, wherein the drive circuit is to: And determining the interval and/or the continuous times of the at least one global scanning period according to the display deviation degree of the display panel and/or the target power consumption of the display panel.
10. 10. An electronic device, the electronic device comprising: The display panel is an electrophoresis display panel; The driving circuit according to any one of claims 7 to 9, wherein the driving circuit is electrically connected to the display panel to control the display panel to display an image.

Description

Driving method, driving circuit and electronic equipment of display panel Technical Field The present application relates to the field of display, and in particular, to a driving method, a driving circuit and an electronic device for a display panel. Background A display panel of the electronic device is provided with a plurality of gate lines, a plurality of source lines, a plurality of display transistors and a plurality of display elements. The grid electrode of each display transistor is electrically connected with one grid line, and the source electrode of each display transistor is electrically connected with one source line. When the gate lines are driven, the corresponding display transistors are turned on, and the corresponding display elements receive the voltages provided by the corresponding source lines, so as to control the colors, the brightness and the like displayed by the corresponding pixels. When only a part of the areas in the image displayed on the display panel need to be updated, the display transistors corresponding to the image areas which need to be updated are turned on, and the display transistors corresponding to the image areas which need not to be updated are turned off, namely, the gate lines corresponding to the image areas which need to be updated are driven, and the gate lines corresponding to the image areas which need not to be updated are not driven, so that the power consumption of the display panel can be reduced. However, the display elements corresponding to the image areas that do not need to be updated may also be affected by the corresponding source line voltages, i.e., crosstalk (crosstalk) may occur in the display panel. After the crosstalk phenomenon is accumulated, display errors, distortions, confusion, errors, deviations from expectations and the like of the display panel may be caused. Disclosure of Invention In view of the above, the present application provides a driving method, a driving circuit and an electronic device for a display panel. In a first aspect, the present application provides a method for driving a display panel, the display panel being provided with a plurality of gate lines, the display panel displaying an image in an update process, the update process including at least one local scanning period and at least one global scanning period, the method comprising obtaining a local update area on the display panel that needs to be updated. And in the local scanning period, driving the grid lines corresponding to the local updating area in sequence. In the global scanning period, all gate lines are sequentially driven. In one implementation, the driving method includes determining an interval and/or a consecutive number of at least one global scanning period to determine an arrangement order of the global scanning period and the local scanning period in the updating process. In one implementation, a driving method includes determining an interval and/or a consecutive number of at least one global scanning period according to a display deviation degree of a display panel. In one implementation, a driving method includes determining an interval and/or a consecutive number of at least one global scan period according to a target power consumption of a display panel. In one implementation, a driving method includes determining a degree of display deviation of a display panel according to a difference between pixel brightness and/or color coordinates of a non-local update region before a picture update and pixel brightness and/or color coordinates after the picture update. The non-local update region is a display region other than the local update region. In one implementation, the last scan period in the update process is the global scan period. In a second aspect, the present application provides a driving circuit electrically connected to a display panel, wherein the display panel is provided with a plurality of gate lines, the display panel displays an image in an update process, the update process includes at least one local scanning period and at least one global scanning period, and the driving circuit is configured to obtain a local update area on the display panel that needs to be updated. And outputting a gate driving signal to a plurality of gate lines, wherein the gate driving signal is used for sequentially driving the gate lines corresponding to the local updating areas in a local scanning period and is used for sequentially driving all the gate lines in a global scanning period. In one implementation, the driving circuit is configured to determine an interval and/or a number of consecutive times of at least one global scanning period to determine an arrangement order of the global scanning period and the local scanning period in the updating process. In one implementation, the driving circuit is configured to determine an interval and/or a number of consecutive times of at least one global scanning period according to a display dev