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CN-121999734-A - Display device and driving method thereof

CN121999734ACN 121999734 ACN121999734 ACN 121999734ACN-121999734-A

Abstract

The present disclosure provides a display device and a driving method thereof. The display device comprises a substrate, a plurality of scanning signal lines, a plurality of data signal lines, a plurality of sub-pixels arranged in an array, a plurality of rows of sub-pixels divided into a plurality of sub-pixel row groups by taking k rows of adjacent sub-pixels as a unit, wherein the sub-pixels of the same sub-pixel row group are connected with the same data signal line and different scanning signal lines, a driving circuit which is electrically coupled with the plurality of scanning signal lines and the plurality of data signal lines respectively and is configured to provide driving signals for the plurality of scanning signal lines and the plurality of data signal lines according to the working mode of the display device, load the same data signals for the sub-pixels of the same sub-pixel row group in a first working mode, load the data signals corresponding to the sub-pixels of the same row in a second working mode, and the refresh rate corresponding to the first working mode is higher than that corresponding to the second working mode.

Inventors

  • WENG BIN
  • LAI YIQIANG
  • WENG ZUWEI
  • SU YIFENG
  • HUANG YUPENG
  • LIN XIN

Assignees

  • 福州京东方光电科技有限公司
  • 京东方科技集团股份有限公司

Dates

Publication Date
20260508
Application Date
20260331

Claims (13)

  1. 1. A display device, comprising: a substrate base; The plurality of scanning signal lines are positioned on one side of the substrate base plate, extend along a first direction and are arranged along a second direction, and the first direction is intersected with the second direction; a plurality of data signal lines located at one side of the substrate base plate, the plurality of data signal lines extending along the second direction and being arranged along the first direction; Dividing a plurality of rows of the sub-pixels into a plurality of sub-pixel row groups by taking k rows of adjacent sub-pixels as a unit, wherein the sub-pixels of the same sub-pixel row group are connected with the same data signal line and different scanning signal lines, and k is an integer greater than or equal to 2; A driving circuit electrically coupled to the plurality of scan signal lines and the plurality of data signal lines, respectively, and configured to supply driving signals to the plurality of scan signal lines and the plurality of data signal lines according to an operation mode of the display device; The driving circuit is configured to load the same data signals for the subpixels of the same subpixel row group in a first working mode, load the corresponding data signals for the subpixels located in the same column in a second working mode, and the refresh rate corresponding to the first working mode is higher than that corresponding to the second working mode.
  2. 2. The display device according to claim 1, wherein k is 2, two adjacent rows of subpixels in the same column are connected to the same data signal line and different scan signal lines, the driving circuit is configured to load the same data signal to the two adjacent rows of subpixels in the same column in a first operation mode, and to load the respective corresponding data signals to the subpixels in the same column in a second operation mode.
  3. 3. The display device of claim 2, wherein the sub-pixels of the 4m-3 th and 4m-2 th rows of the nth column are connected to the 2 nd data signal line, the sub-pixels of the 4m-1 th and 4m th rows of the nth column are connected to the 2n-1 th data signal line, the plurality of scanning signal lines are correspondingly connected to the plurality of rows of the sub-pixels, the scanning signal lines of the 4m-3 th and 4m-1 th rows access the same scanning signal, the scanning signal lines of the 4m-2 th and 4m th rows access the same scanning signal, m, n are integers greater than or equal to 1, and wherein the scanning signal to which the scanning signal lines of the 4m-2 th and 4m th rows access has a shift of one unit with respect to the scanning signal to which the scanning signal lines of the 4m-3 th and 4m-1 th rows access.
  4. 4. The display device according to claim 1, wherein the display device is a liquid crystal display device, polarities of data signals of the sub-pixels of the same sub-pixel row group are the same, polarities of data signals corresponding to adjacent sub-pixel row groups are opposite, and polarities of data signals of the sub-pixels of adjacent columns are opposite.
  5. 5. The display device according to claim 4, wherein the polarities of the data signals of the sub-pixels of two adjacent rows located in the same column are the same.
  6. 6. The display device according to claim 4, wherein polarities of data signals loaded on the sub-pixels connected to the same data signal line are the same.
  7. 7. A display device according to claim 3, wherein the drive circuit is configured to: In the first working mode, after the data signals of the sub-pixels in the 4m-1 row are exchanged with the data signals of the sub-pixels in the 4m-2 row, the data signals are loaded to the corresponding data signal lines.
  8. 8. The display device according to claim 7, wherein the driving circuit comprises a timing control circuit; the timing control circuit is configured to: receiving an image input signal; generating original data signals corresponding to the plurality of data signal lines based on the image input signals; and in response to the display device working in the first working mode, after the original data signals of the sub-pixels in the 4m-1 row are exchanged with the original data signals of the sub-pixels in the 4m-2 row, loading the data signals into the corresponding data signal lines.
  9. 9. The display device according to claim 7, wherein the driving circuit includes a system-on-chip and a timing control circuit; the system-in-chip is configured to receive an original image input signal, exchange the original image input signal corresponding to the sub-pixels in the 4m-1 th row with the original image input signal corresponding to the sub-pixels in the 4m-2 th row, and obtain an image input signal; the timing control circuit is configured to receive the image input signal and generate data signals corresponding to the plurality of data signal lines based on the image input signal.
  10. 10. A driving method applied to the display device according to any one of claims 1 to 9, comprising: providing driving signals to the plurality of scanning signal lines and the plurality of data signal lines according to an operation mode of the display device; In the first working mode, the same data signals are loaded for the sub-pixels of the same sub-pixel row group, and in the second working mode, the corresponding data signals are loaded for the sub-pixels located in the same column.
  11. 11. The method of claim 10, wherein providing driving signals to the plurality of scan signal lines and the plurality of data signal lines according to an operation mode of the display device comprises: In the first working mode, after the data signals of the sub-pixels in the 4m-1 row are exchanged with the data signals of the sub-pixels in the 4m-2 row, the data signals are loaded to the corresponding data signal lines.
  12. 12. The method of claim 11, wherein, in the first operation mode, after exchanging the data signals of the row 4m-1 sub-pixels with the data signals of the row 4m-2 sub-pixels, loading the data signals to the corresponding data signal lines, comprises: receiving an image input signal; generating original data signals corresponding to the plurality of data signal lines based on the image input signals; and in response to the display device working in the first working mode, after the original data signals of the sub-pixels in the 4m-1 row are exchanged with the original data signals of the sub-pixels in the 4m-2 row, loading the data signals into the corresponding data signal lines.
  13. 13. The method of claim 11, wherein the display device comprises a drive circuit comprising a system-on-chip and a timing control circuit; in a first operation mode, after exchanging the data signals of the sub-pixels in the 4m-1 th row with the data signals of the sub-pixels in the 4m-2 th row, loading the data signals to corresponding data signal lines, wherein the method comprises the following steps: receiving an original image input signal by using the system-in-chip, and exchanging the original image input signal corresponding to the sub-pixels in the 4m-1 th row with the original image input signal corresponding to the sub-pixels in the 4m-2 th row to obtain an image input signal; And receiving the image input signal by using the time sequence control circuit, and generating data signals corresponding to the plurality of data signal lines based on the image input signal.

Description

Display device and driving method thereof Technical Field The disclosure relates to the field of display technologies, and in particular, to a display device and a driving method thereof. Background With the development of display technology, users have put higher demands on high resolution and high refresh rate of display devices. The inventors of the present disclosure have found that the related art has a difficulty in achieving high resolution and high refresh rate. Disclosure of Invention In view of the above, an object of the present disclosure is to provide a display device and a driving method thereof to solve or partially solve the above-mentioned problems. In a first aspect of the present disclosure, there is provided a display device including: a substrate base; The plurality of scanning signal lines are positioned on one side of the substrate base plate, extend along a first direction and are arranged along a second direction, and the first direction is intersected with the second direction; a plurality of data signal lines located at one side of the substrate base plate, the plurality of data signal lines extending along the second direction and being arranged along the first direction; Dividing a plurality of rows of the sub-pixels into a plurality of sub-pixel row groups by taking k rows of adjacent sub-pixels as a unit, wherein the sub-pixels of the same sub-pixel row group are connected with the same data signal line and different scanning signal lines, and k is an integer greater than or equal to 2; A driving circuit electrically coupled to the plurality of scan signal lines and the plurality of data signal lines, respectively, and configured to supply driving signals to the plurality of scan signal lines and the plurality of data signal lines according to an operation mode of the display device; The driving circuit is configured to load the same data signals for the subpixels of the same subpixel row group in a first working mode, load the corresponding data signals for the subpixels located in the same column in a second working mode, and the refresh rate corresponding to the first working mode is higher than that corresponding to the second working mode. In a second aspect of the present disclosure, there is provided a driving method of a display panel, including: providing driving signals to the plurality of scanning signal lines and the plurality of data signal lines according to an operation mode of the display device; In the first working mode, the same data signals are loaded for the sub-pixels of the same sub-pixel row group, and in the second working mode, the corresponding data signals are loaded for the sub-pixels located in the same column. As can be seen from the foregoing, according to the display device and the driving method thereof provided in the embodiments of the present disclosure, the driving circuit may provide the driving signal for the display panel according to the working mode of the display device, so that the display device may work in at least two working modes, which widens the application scenario of the display device and improves the user experience. The foregoing description is merely an overview of the technical solutions of the present disclosure, and may be implemented according to the content of the specification in order to make the technical means of the present disclosure more clearly understood, and in order to make the above and other objects, features and advantages of the present disclosure more clearly understood, the following specific embodiments of the present disclosure are specifically described. Drawings In order to more clearly illustrate the technical solutions of the present disclosure or related art, the drawings required for the embodiments or related art description will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to those of ordinary skill in the art. Fig. 1 shows a schematic diagram of an exemplary display device according to an embodiment of the present disclosure. Fig. 2 shows a schematic diagram of an exemplary display panel according to an embodiment of the present disclosure. Fig. 3 shows a schematic diagram of an exemplary shift register cell according to an embodiment of the present disclosure. Fig. 4A shows a schematic diagram of another exemplary display panel according to an embodiment of the present disclosure. Fig. 4B illustrates a timing diagram of the exemplary display panel illustrated in fig. 4A according to an embodiment of the present disclosure. Fig. 5A shows a schematic diagram of yet another exemplary display panel according to an embodiment of the present disclosure. Fig. 5B illustrates a timing diagram of the exemplary display panel illustrated in fig. 5A according to an embodiment of the present disclosure. Fig. 5C illustr