CN-116363996-B - Display panel, driving method thereof and display device

CN116363996BCN 116363996 BCN116363996 BCN 116363996BCN-116363996-B

Abstract

The embodiment of the invention discloses a display panel, a driving method thereof and a display device. The display panel comprises a first pixel unit and a first pixel driving unit, wherein the first pixel unit is located in a first display area and comprises at least one first sub-pixel and at least one dummy sub-pixel, the first pixel driving unit is located in a second display area and comprises a plurality of first pixel circuits, the total number of the first pixel circuits is equal to the total number of the first sub-pixels and the dummy sub-pixels in the first pixel unit, and the first pixel circuits in the first pixel driving unit are sequentially connected and electrically connected with the first sub-pixels in the corresponding first pixel units and used for driving the corresponding first sub-pixels. According to the technical scheme, the light transmittance of the first display area is improved, meanwhile, the display effect difference between the first display area and the second display area is reduced, and the overall display effect is improved.

Inventors

LOU JUNHUI

Assignees

昆山国显光电有限公司

Dates

Publication Date: 20260512
Application Date: 20230129

Claims (11)

1. A display panel is characterized in that the display panel is provided with a first display area and a second display area, the light transmittance of the first display area is larger than that of the second display area, and the display panel comprises: A first pixel unit located in the first display area, the first pixel unit including at least one first sub-pixel and at least one dummy sub-pixel; A first pixel driving unit located in the second display region, the first pixel driving unit including a plurality of first pixel circuits, wherein a total number of the first pixel circuits is equal to a total number of the first sub-pixels and the dummy sub-pixels in the first pixel unit; The first pixel circuits in the first pixel driving units are sequentially connected and electrically connected with the corresponding first sub-pixels in the first pixel units, and are used for driving the corresponding first sub-pixels.
2. The display panel according to claim 1, wherein the number of the first sub-pixels in the first pixel unit is one, and each of the first pixel circuits in the corresponding first pixel driving unit is connected in parallel to the first sub-pixel.
3. The display panel of claim 1, wherein the number of the first sub-pixels in the first pixel unit is at least two; and each first pixel circuit in the corresponding first pixel driving unit is electrically connected with each first sub-pixel in sequence after being connected in parallel, or the first sub-pixel is connected with at least two first pixel circuits in the corresponding first pixel driving unit after being connected in parallel.
4. The display panel of claim 1, further comprising a data line, wherein the first pixel circuits driving the same first sub-pixel are connected to the same data line.
5. The display panel according to claim 1, the display panel is characterized in that the display panel further comprises: the second pixel unit is positioned in the second display area and comprises a plurality of second sub-pixels; The plurality of second pixel circuits are located in the second display area, the second pixel circuits are connected with the corresponding second sub-pixels and used for driving the corresponding second sub-pixels, and the first pixel circuits and the second pixel circuits are identical in structure.
6. The display panel of claim 5, wherein a total number of the first sub-pixels and the dummy sub-pixels in the first pixel unit is equal to a total number of the second sub-pixels in the second pixel unit; the pixel arrangement mode of the first sub-pixels and the dummy sub-pixels in the first pixel unit is consistent with the pixel arrangement mode of the second sub-pixels in the second pixel unit; Each second sub-pixel in the same second pixel unit is any one of a first color sub-pixel, a second color sub-pixel and a third color sub-pixel, the light emitting colors of the first color sub-pixel, the second color sub-pixel and the third color sub-pixel are different, each first sub-pixel in the first pixel unit is the same as the light emitting color of the second sub-pixel in the corresponding second pixel unit, or Each second sub-pixel in the same second pixel unit at least comprises a first color sub-pixel, a second color sub-pixel and a third color sub-pixel, and the first sub-pixel in the first pixel unit is any one of the first color sub-pixel, the second color sub-pixel and the third color sub-pixel.
7. The display panel according to claim 6, wherein a plurality of the first pixel units are arranged in an array in the first display area, a plurality of the second pixel units are arranged in an array in the second display area, and an arrangement manner of each of the first pixel units in the first display area is identical to an arrangement manner of each of the second pixel units in the second display area.
8. The display panel according to any one of claims 1 to 7, wherein the first display region includes a plurality of pixel regions and a plurality of dummy pixel regions, the display panel includes a first electrode layer, a light emitting layer, and a second electrode which are sequentially stacked, the first electrode layer including a plurality of first electrodes; The first electrode is positioned in the pixel area, and the first electrode, the light-emitting layer and the second electrode in each pixel area form one first sub-pixel; the first electrode is not arranged in the dummy pixel area, the light-emitting layer and the second electrode in each dummy pixel area form one dummy sub-pixel, or the first electrode and the light-emitting layer are not arranged in the dummy pixel area, and the second electrode in each dummy pixel area forms one dummy sub-pixel.
9. A driving method of a display panel, wherein the display panel has a first display region and a second display region, and the light transmittance of the first display region is greater than the light transmittance of the second display region; the display panel comprises a first pixel unit, a second pixel unit and a display unit, wherein the first pixel unit is positioned in the first display area and comprises at least one first sub-pixel and at least one dummy sub-pixel; the first pixel driving unit is positioned in the second display area, and comprises a plurality of first pixel circuits, wherein the first pixel circuits in the first pixel driving unit are sequentially connected and are electrically connected with the first sub-pixels in the corresponding first pixel units; the driving method of the display panel comprises the following steps: each of the first sub-pixels in the first pixel unit is driven by each of the first pixel circuits in the first pixel driving unit, each of the first sub-pixels is driven by at least one of the first pixel circuits, and a total number of the first pixel circuits in the first pixel driving unit is equal to a total number of the first sub-pixels and the dummy sub-pixels in the first pixel unit.
10. The method for driving a display panel according to claim 9, wherein, The number of the first sub-pixels in the first pixel unit is one, and the corresponding first pixel circuits in the first pixel driving unit are connected in parallel and then connected with the first sub-pixels; the driving of each of the first sub-pixels in the first pixel unit by each of the first pixel circuits in the first pixel driving unit includes simultaneously driving one of the first sub-pixels in the first pixel unit by each of the first pixel circuits in parallel; Or the number of the first sub-pixels in the first pixel unit is at least two, and each first pixel circuit in the corresponding first pixel driving unit is electrically connected with each first sub-pixel in sequence after being connected in parallel; the driving of each of the first sub-pixels in the first pixel unit by each of the first pixel circuits in the first pixel driving unit includes simultaneously driving each of the first sub-pixels in the first pixel unit by each of the first pixel circuits in parallel; Or the number of the first sub-pixels in the first pixel units is at least two, the first sub-pixels are connected with at least two first pixel circuits in the corresponding first pixel driving units after being connected in parallel, the driving of the first sub-pixels in the first pixel units through the first pixel circuits in the first pixel driving units comprises the driving of the corresponding first sub-pixels in the first pixel units through the first pixel circuits in the first pixel driving units, and at least part of the first sub-pixels are driven by the at least two first pixel circuits connected in parallel.
11. A display device comprising the display panel of any one of claims 1-8.

Description

Display panel, driving method thereof and display device Technical Field The embodiment of the invention relates to the technical field of display, in particular to a display panel, a driving method thereof and a display device. Background With the continuous development of display technology, the screen ratio of display panels is increasingly required. In order to realize full screen display, the prior art generally divides a display panel into a main screen area and a sub-screen area, wherein the main screen area and the sub-screen area are used for displaying, and the sub-screen area is a light transmission area for setting a photosensitive element. At present, the existing display panel has the problem that the display effect of a main screen area and a secondary screen area is inconsistent, and the overall display effect is affected. Disclosure of Invention The embodiment of the invention provides a display panel, a driving method thereof and a display device, which are used for reducing the display effect difference between a first display area and a second display area while improving the light transmittance of the first display area, so as to further improve the overall display effect. In a first aspect, an embodiment of the present invention provides a display panel, the display panel having a first display area and a second display area, the first display area having a light transmittance greater than a light transmittance of the second display area, the display panel comprising: A first pixel unit located in the first display area, the first pixel unit including at least one first sub-pixel and at least one dummy sub-pixel; A first pixel driving unit located in the second display region, the first pixel driving unit including a plurality of first pixel circuits, wherein a total number of the first pixel circuits is equal to a total number of the first sub-pixels and the dummy sub-pixels in the first pixel unit; The first pixel circuits in the first pixel driving units are sequentially connected and electrically connected with the corresponding first sub-pixels in the first pixel units, and are used for driving the corresponding first sub-pixels. Optionally, the number of the first sub-pixels in the first pixel unit is one, and each of the first pixel circuits in the corresponding first pixel driving unit is connected in parallel and then connected to the first sub-pixel. Optionally, the number of the first sub-pixels in the first pixel unit is at least two; and each first pixel circuit in the corresponding first pixel driving unit is electrically connected with each first sub-pixel in sequence after being connected in parallel, or the first sub-pixel is connected with at least two first pixel circuits in the corresponding first pixel driving unit after being connected in parallel. Optionally, the display panel further includes a data line, and the first pixel circuits driving the same first sub-pixel are connected to the same data line. Optionally, the display panel further includes: the second pixel unit is positioned in the second display area and comprises a plurality of second sub-pixels; The plurality of second pixel circuits are located in the second display area, the second pixel circuits are connected with the corresponding second sub-pixels and used for driving the corresponding second sub-pixels, and the first pixel circuits and the second pixel circuits are identical in structure. Optionally, a total number of the first sub-pixels and the dummy sub-pixels in the first pixel unit is equal to a total number of the second sub-pixels in the second pixel unit; the pixel arrangement mode of the first sub-pixels and the dummy sub-pixels in the first pixel unit is consistent with the pixel arrangement mode of the second sub-pixels in the second pixel unit; Each second sub-pixel in the same second pixel unit is any one of a first color sub-pixel, a second color sub-pixel and a third color sub-pixel, the light emitting colors of the first color sub-pixel, the second color sub-pixel and the third color sub-pixel are different, each first sub-pixel in the first pixel unit is the same as the light emitting color of the second sub-pixel in the corresponding second pixel unit, or Each second sub-pixel in the same second pixel unit at least comprises a first color sub-pixel, a second color sub-pixel and a third color sub-pixel, wherein the first sub-pixel in the first pixel unit is any one of the first color sub-pixel, the second color sub-pixel and the third color sub-pixel; Preferably, the plurality of first pixel units are arranged in an array in the first display area, the plurality of second pixel units are arranged in an array in the second display area, and the arrangement mode of each first pixel unit in the first display area is consistent with the arrangement mode of each second pixel unit in the second display area. Optionally, the first display area includes a plurality of pixel areas and