CN110189683A - A display panel, its driving method and display device - Google Patents

Abstract

The invention discloses a display panel, a driving method thereof and a display device. The display panel includes a plurality of light-emitting units arranged in an array, each of the light-emitting units includes a plurality of light-emitting devices, and there are two light-emitting devices with the same light-emitting color. A first light-emitting device; the method includes four light-emitting devices in each light-emitting unit, and makes two of the light-emitting devices the same color, when the pixel data in the display row direction is greater than the number of light-emitting units in a row of the display panel, Except that each light-emitting unit can form a pixel, some light-emitting devices can be multiplexed between adjacent light-emitting units to form a pixel, and the center positions of the two pixels do not overlap, so that high-pixel images can be divided into corresponding The number of sub-pictures provides driving signals to the corresponding light-emitting devices in different time periods, and each sub-picture is displayed in a time-sharing manner, thereby realizing the display of high-pixel pictures using the low physical pixels of the display panel and improving the display quality.

Description

A display panel, its driving method and display device

technical field

The present invention relates to the field of display technology, and in particular, to a display panel, a driving method thereof and a display device.

Background technique

A display panel in the related art includes a plurality of light-emitting units arranged in an array, and each unit includes three light-emitting devices, for example, red light-emitting devices, blue light-emitting devices and green light-emitting devices. Three light-emitting devices are packaged in one light-emitting unit and arranged in a horizontal or vertical direction. When displaying an image, one light-emitting unit displays one pixel.

However, with the development of display technology, people's requirements for the quality of display images are increasing, and high-pixel display images are more and more inclined. The arrangement and arrangement of the light-emitting units in the display panel in the related art cannot achieve better quality and high quality. Pixel display can only be achieved by increasing the number of light-emitting units, but the increase in the number of light-emitting units will inevitably increase the area and production cost of the display panel.

Therefore, how to improve the resolution of the display panel has become a technical problem to be solved urgently by those skilled in the art.

SUMMARY OF THE INVENTION

In view of this, embodiments of the present invention provide a display panel, a driving method thereof, and a display device, so as to solve the problem that the display panel in the related art is difficult to achieve high-pixel display.

In a first aspect, an embodiment of the present invention provides a method for driving a display panel, the display panel includes a plurality of light-emitting units arranged in an array, each of the light-emitting units includes a plurality of light-emitting devices, and there are light-emitting colors the same two first light emitting devices; the method comprising:

Obtain the pixel data of the picture to be displayed;

According to the multiple relationship between the number of pixel data in a row in the to-be-displayed image and the number of light-emitting units in a row in the display panel, the to-be-displayed image is divided into sub-images with the same number as the multiple;

determining the light-emitting device to be lit corresponding to each pixel data in each of the sub-pictures, and the centers of the pixel regions formed by the light-emitting devices used for displaying each pixel data in different sub-pictures do not overlap each other;

According to the determined light-emitting device corresponding to each pixel data in the different sub-pictures, a driving signal is provided to the corresponding light-emitting device to drive the corresponding light-emitting device to light up, and the sub-pictures are sequentially displayed.

In a possible implementation manner, in the method for driving a display panel provided by the embodiment of the present invention, the dividing the to-be-displayed picture into sub-pictures with the same number as the multiple specifically includes:

When it is determined that the number of pixel data in a row of the to-be-displayed picture is twice the number of light-emitting units in a row of the display panel, dividing the to-be-displayed picture into a first sub-picture and a second sub-picture;

In a row of the pixel data, the pixel data at a first position belongs to the first sub-picture, and the pixel data at a second position belongs to the second sub-picture;

Wherein, the first position and the second position are alternately arranged.

In a possible implementation, in the method for driving a display panel provided by the embodiment of the present invention, the light-emitting unit includes four light-emitting devices arranged in a square shape, including two first light-emitting devices, one a second light emitting device and a third light emitting device;

When the sub-pictures are displayed sequentially, the two first light-emitting devices in each of the light-emitting units are alternately lit.

In a possible implementation manner, in the driving method of the display panel provided by the embodiment of the present invention, the determining of the light-emitting device to be lit corresponding to each pixel data in each of the sub-pictures specifically includes:

When two of the first light emitting devices in the light emitting unit are located in the same column, determine that one of the first light emitting device, the second light emitting device and the third light emitting device in the first light emitting unit is used to light the the first subscreen;

It is determined that the other first light emitting device in the first light emitting unit and the second light emitting device and the third light emitting device in the second light emitting unit adjacent in the row direction are used for lighting the second sub-picture.

In a possible implementation manner, in the driving method of the display panel provided by the embodiment of the present invention, the determining of the light-emitting device to be lit corresponding to each pixel data in each of the sub-pictures specifically includes:

When two of the first light-emitting devices in the light-emitting unit are located in the same row or diagonally arranged, determining that one of the first light-emitting device, the second light-emitting device and the third light-emitting device in the first light-emitting unit is used for lighting the first sub-picture;

Determine another of the first light-emitting devices, a light-emitting device located in the same column as the other first light-emitting device, and a second light-emitting unit adjacent to the row direction that is the same as the first light-emitting device. A light-emitting unit is adjacent and the light-emitting devices other than the first light-emitting device are used for lighting the second sub-picture.

In a possible implementation manner, in the method for driving a display panel provided by the embodiment of the present invention, the drive is provided to the corresponding light-emitting device according to the determined light-emitting device corresponding to each pixel data in the different sub-pictures signal to drive the corresponding light-emitting device to light up, and sequentially display the sub-pictures, specifically including:

During the first period of time, the first driving signal is simultaneously provided to all the light-emitting devices corresponding to the first sub-picture, and the first sub-picture is displayed;

During the second time period, a second driving signal is simultaneously provided to all the light-emitting devices corresponding to the second picture, and the second sub picture is displayed.

In a possible implementation manner, in the method for driving a display panel provided by the embodiment of the present invention, the drive is provided to the corresponding light-emitting device according to the determined light-emitting device corresponding to each pixel data in the different sub-pictures signal to drive the corresponding light-emitting device to light up, and sequentially display the sub-pictures, specifically including:

During the first time period, the first driving signal is provided to the light-emitting device corresponding to the first sub-picture line by line, and the first sub-picture is displayed;

During the second time period, a second driving signal is provided to the light emitting device corresponding to the second picture line by line, and the second sub picture is displayed.

In a possible implementation, in the method for driving a display panel provided by the embodiment of the present invention, the display panel includes at least a first display area and a second display area, and each display area includes a plurality of adjacent rows of light-emitting unit;

The step of providing a driving signal to the corresponding light-emitting device according to the light-emitting device corresponding to each pixel data in the determined different sub-pictures, driving the corresponding light-emitting device to light up, and sequentially displaying the sub-pictures, specifically includes:

During a first period of time, a first driving signal is provided line by line to the light emitting devices in the first display area corresponding to the first picture, and a part of the first sub-picture corresponding to the first display area is displayed;

During the second time period, a second driving signal is provided to the light-emitting devices in the first display area corresponding to the second picture line by line, and a part of the second sub-picture corresponding to the first display area is displayed;

During a third time period, a third driving signal is provided line by line to the light emitting devices in the second display area corresponding to the first picture, and a part of the first sub picture corresponding to the second display area is displayed;

During a fourth time period, a fourth driving signal is provided to the light-emitting devices in the second display area corresponding to the second picture line by line, and a part of the second sub-picture corresponding to the second display area is displayed until Complete the display of all sub-screens.

In a second aspect, an embodiment of the present invention provides a display panel driven by the method provided in the embodiment of the first aspect, including: a plurality of light-emitting units arranged in an array, and each of the light-emitting units has a same light-emitting color. two first light emitting devices;

And all the light-emitting devices in the same light-emitting unit share the same anode or the same cathode.

In a third aspect, an embodiment of the present invention provides a display device, including the display panel provided by the embodiment of the second aspect.

Beneficial effects of the present invention:

Embodiments of the present invention provide a display panel, a method for driving the same, and a display device. The display panel includes a plurality of light-emitting units arranged in an array, and each of the light-emitting units includes a plurality of light-emitting devices, and there are light-emitting devices of the same color. The method includes: acquiring pixel data of a picture to be displayed; according to the multiple relationship between the number of pixel data in a row of the picture to be displayed and the number of light-emitting units in a row in the display panel, The to-be-displayed picture is divided into sub-pictures with the same number as the multiple; determining the light-emitting device that needs to be lit corresponding to each pixel data in each of the sub-pictures, for displaying the pixel data in different sub-pictures The centers of the pixel regions formed by the light-emitting devices do not overlap each other; according to the light-emitting devices corresponding to each pixel data in the determined different sub-pictures, driving signals are provided to the corresponding light-emitting devices to drive the corresponding light-emitting devices to light up, The sub-pictures are displayed sequentially. By including four light-emitting devices in each light-emitting unit, and making two of the light-emitting devices the same color, when the pixel data in the display row direction is greater than the number of light-emitting units in a row of the display panel, each light-emitting unit can form a In addition to the pixels, some light-emitting devices can be multiplexed between adjacent light-emitting units to form a pixel, and the center positions of the two pixels do not overlap, so that the high-pixel picture can be divided into a corresponding number of sub-pictures. Provide a driving signal to the corresponding light-emitting device in the time period of 2000, and perform time-sharing display on each sub-picture, so as to realize the display of high-pixel pictures by using the low physical pixels of the display panel, and improve the display quality.

Description of drawings

1 is a schematic structural diagram of a light-emitting unit in a display panel in the related art;

FIG. 2 is a flowchart of a display panel driving method provided by an embodiment of the present invention;

3a to 3c are schematic structural diagrams of light emitting units in a display panel according to an embodiment of the present invention;

FIG. 4 is one of the schematic structural diagrams of the display panel provided by the embodiment of the present invention;

5 is a schematic structural diagram of a light-emitting device that needs to be lit to display a first sub-picture under the arrangement of light-emitting devices in a light-emitting unit in the display panel shown in FIG. 4;

6 is a schematic structural diagram of a light-emitting device that needs to be lit to display a first sub-picture under the arrangement of light-emitting devices in a light-emitting unit in the display panel shown in FIG. 4;

7 is a schematic structural diagram of the center of each pixel in the first sub-picture and the position of the center of each pixel in the second sub-picture under the arrangement of light-emitting devices in the light-emitting unit in the display panel shown in FIG. 4;

FIG. 8 is a second schematic structural diagram of a display panel according to an embodiment of the present invention;

9 is a schematic structural diagram of a light-emitting device that needs to be lit to display a first sub-picture under the arrangement of light-emitting devices in a light-emitting unit in the display panel shown in FIG. 8;

10 is a schematic structural diagram of a light-emitting device that needs to be lit to display a first sub-picture under the arrangement of light-emitting devices in a light-emitting unit in the display panel shown in FIG. 8;

11 is a schematic structural diagram of the center of each pixel in the first sub-picture and the position of the center of each pixel in the second sub-picture under the arrangement of the light-emitting devices in the light-emitting unit in the display panel shown in FIG. 8;

12 is a third schematic structural diagram of a display panel according to an embodiment of the present invention;

13 is a schematic structural diagram of a light-emitting device that needs to be lit to display a first sub-picture under the arrangement of light-emitting devices in a light-emitting unit in the display panel shown in FIG. 12;

14 is a schematic structural diagram of a light-emitting device that needs to be lit to display a first sub-picture under the arrangement of light-emitting devices in a light-emitting unit in the display panel shown in FIG. 12;

15 is a schematic structural diagram of the center of each pixel in the first sub-picture and the position of the center of each pixel in the second sub-picture under the arrangement of light-emitting devices in the light-emitting unit in the display panel shown in FIG. 12;

FIG. 16 is a schematic structural diagram of a display device according to an embodiment of the present invention.

Detailed ways

A display panel in the related art includes a plurality of light-emitting units arranged in an array. As shown in FIG. 1 , each light-emitting unit 10 includes: a first light-emitting device 11 , a second light-emitting device 12 and a third light-emitting device 13. Each light-emitting device is arranged in the same extending direction. With this arrangement of light-emitting devices in the light-emitting unit 10, each light-emitting unit 10 can only be used as a pixel during display, and high-pixel display cannot be achieved.

In view of the above problems existing in the related art, embodiments of the present invention provide a display panel, a driving method thereof, and a display device. In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The shapes and sizes of the components in the drawings do not reflect the actual scale, and are only intended to illustrate the content of the present invention.

The present invention provides a method for driving a display panel, wherein the display panel includes a plurality of light-emitting units arranged in an array, each light-emitting unit includes a plurality of light-emitting devices, and there are two first light-emitting devices with the same light-emitting color ;

As shown in Figure 2, the method includes the following steps:

S201, acquiring pixel data of a picture to be displayed;

S202, according to the multiple relationship between the number of pixel data in a row in the to-be-displayed image and the number of light-emitting units in a row in the display panel, divide the to-be-displayed image into sub-images with the same number and multiple;

S203. Determine the light-emitting device to be lit corresponding to each pixel data in each sub-picture, and the centers of the pixel regions formed by the light-emitting device used for displaying each pixel data in different sub-pictures do not overlap each other;

S204 , according to the determined light-emitting device corresponding to each pixel data in the different sub-pictures, provide a driving signal to the corresponding light-emitting device to drive the corresponding light-emitting device to light up, and sequentially display the sub-pictures.

Specifically, in the driving method of the display panel provided by the embodiment of the present invention, by including four light-emitting devices in each light-emitting unit, and making two of the light-emitting devices the same color, the pixel data in the display row direction is larger than that in the display line direction. When the number of light-emitting units in a row of the panel, in addition to each light-emitting unit can form a pixel, some light-emitting devices can be multiplexed between adjacent light-emitting units to form a pixel, and the center positions of the two pixels do not overlap. , in this way, the high-pixel picture can be divided into a corresponding number of sub-pictures, and driving signals can be provided to the corresponding light-emitting devices in different time periods, and each sub-picture can be displayed in a time-sharing manner, so as to use the low physical pixels of the display panel to display high pixels. screen to improve display quality.

The structure of the display panel and the driving principle of the display panel will be described in detail below with reference to the accompanying drawings.

Optionally, in the driving method of the display panel provided by the embodiment of the present invention, as shown in FIGS. 3 a to 3 c , the light emitting unit 20 includes four light emitting devices arranged in a square shape, including two first light emitting devices. 21, a second light-emitting device 22 and a third light-emitting device 23;

When the sub-pictures are displayed sequentially, the two first light-emitting devices 21 in each light-emitting unit 20 light up alternately.

Specifically, in the driving method of the display panel provided by the embodiment of the present invention, as shown in FIG. 3a, in the light-emitting unit 20, the first light-emitting devices 21 may be arranged in the same column, as shown in FIG. 3b, in the light-emitting unit 20 , the first light-emitting devices 21 may be arranged in the same row. As shown in FIG. 3c, in the light-emitting unit 20, the first light-emitting devices 21 may be arranged diagonally; wherein, the positions of the first light-emitting devices 21 in the light-emitting unit 20 are different , then the pixels composed of the first light-emitting device 21 in the light-emitting unit 20 and the light-emitting devices in the adjacent light-emitting units will be different. For details, please refer to the description of the method below.

Optionally, in the method for driving a display panel provided by the embodiment of the present invention, dividing the to-be-displayed picture into sub-pictures with the same number and multiples, specifically including:

When it is determined that the number of pixel data in one row of the to-be-displayed picture is twice the number of one row of light-emitting units in the display panel, the to-be-displayed picture is divided into a first sub-picture and a second sub-picture;

In a row of pixel data, the pixel data at the first position belongs to the first sub-picture, and the pixel data at the second position belongs to the second sub-picture;

Wherein, the first position and the second position are alternately arranged.

Specifically, in the method for driving a display panel provided by the embodiment of the present invention, when the acquired number of pixel data in a row of the picture to be displayed is twice the number of light-emitting units in a row of the display panel, the picture to be displayed is divided into two sub-sections The picture, that is, the first sub-picture and the second sub-picture, divide the pixel data from odd-numbered positions in a line of pixel data into the first sub-picture, and divide the pixel data with even-numbered positions into the second sub-picture. Of course, you can also The pixel data at odd-numbered positions are divided into second sub-pictures, and the pixel data at even-numbered positions are divided into first sub-pictures, which are not specifically limited herein.

It should be noted that, when the acquired number of pixel data in a row of the screen to be displayed is three or four times the number of light-emitting units in a row of the display panel, the screen to be displayed is divided into three sub-screens or four, as long as one row of pixels is divided into three sub-screens or four. The data is divided equally, and the pixel data located in each sub-picture can be arranged periodically.

Optionally, in the driving method of the display panel provided by the embodiment of the present invention, determining the light-emitting device to be lit corresponding to each pixel data in each sub-picture, specifically includes:

When the two first light-emitting devices in the light-emitting unit are located in the same column, determining that one of the first light-emitting device, the second light-emitting device and the third light-emitting device in the first light-emitting unit is used to light up the first sub-picture;

It is determined that another first light emitting device in the first light emitting unit and the second light emitting device and the third light emitting device in the second light emitting unit adjacent in the row direction are used to light up the second sub-picture.

Specifically, in the driving method of the display panel provided by the embodiment of the present invention, as shown in FIG. 4 , the two first light-emitting devices 21 in each light-emitting unit 20 are located in the same column, the second light-emitting device 22 and the third light-emitting device 22 are located in the same column. The light-emitting devices 23 are located in the same column. When the first sub-picture is displayed, as shown in FIG. 5 , a first light-emitting device 21, a second light-emitting device 22 and a third light-emitting device 23 in each light-emitting unit 20 form a pixel. A pixel data in the first sub-picture is displayed, wherein the center position of the pixel is the position of the black dot; when displaying the second sub-picture, as shown in FIG. 6 , the first sub-picture is not displayed in each light-emitting unit 20 The first light-emitting device 21 and the second light-emitting device 22 and the third light-emitting device 23 in the adjacent light-emitting unit 20 form a pixel to display a pixel data in the second sub-picture, wherein the center of the pixel is the position of the white dot. . As shown in FIG. 7 , the center position of each pixel that is lit when the pixel data of the first sub-picture is displayed does not overlap with the center position of each pixel that is lit when the pixel data of the second sub-picture is displayed. Therefore, There is no overlapping pixel data in the two sub-pictures, and the two sub-pictures are displayed adjacent to each other. Because the frequency is very fast, the human eye cannot distinguish them, so it is possible to display a high-resolution picture by using low physical pixels.

Optionally, in the driving method of the display panel provided by the embodiment of the present invention, determining the light-emitting device to be lit corresponding to each pixel data in each sub-picture, specifically includes:

When the two first light-emitting devices in the light-emitting unit are located in the same row or diagonally arranged, determine that one of the first light-emitting devices, the second light-emitting device and the third light-emitting device in the first light-emitting unit is used to light up the first sub-picture ;

Determine another first light-emitting device among the first light-emitting devices, a light-emitting device located in the same column as the other first light-emitting device, and a second light-emitting unit adjacent to the row direction and adjacent to the first light-emitting unit except the first light-emitting unit. A light-emitting device other than the light-emitting device is used to light up the second sub-picture.

Specifically, in the driving method of the display panel provided by the embodiment of the present invention, as shown in FIG. 8 , the two first light-emitting devices 21 in each light-emitting unit 20 are located in the same row, and the second light-emitting device 22 and the third light-emitting device 22 are located in the same row. The devices 23 are located in the same row. When the first sub-picture is displayed, as shown in FIG. 9 , a first light-emitting device 21 , a second light-emitting device 22 and a third light-emitting device 23 in each light-emitting unit 20 form a pixel, and the display A piece of pixel data in the first sub-picture, wherein the center of the pixel is the position of the black dot; when displaying the second sub-picture, as shown in FIG. 10 , each light-emitting unit 20 does not display the first sub-picture. The first light-emitting device 21, the third light-emitting device 23 located in the same column as the first light-emitting device 21, and the second light-emitting device 22 in the adjacent light-emitting unit 20 form a pixel to display one pixel data in the second sub-picture , where the center of the pixel is the position of the white dot. As shown in FIG. 11 , the center position of each pixel lit when the pixel data of the first sub-picture is displayed does not overlap with the center position of each pixel that is lit when the pixel data of the second sub-picture is displayed. Therefore, There is no overlapping pixel data in the two sub-pictures, and the two sub-pictures are displayed adjacent to each other. Because the frequency is very fast, the human eye cannot distinguish them, so it is possible to display a high-resolution picture by using low physical pixels.

Specifically, in the driving method of the display panel provided by the embodiment of the present invention, as shown in FIG. 12 , the two first light-emitting devices 21 in each light-emitting unit 20 are arranged diagonally, the second light-emitting device 22 and the third light-emitting device 21 are arranged diagonally. The light-emitting devices 23 are also arranged diagonally. When the first sub-picture is displayed, as shown in FIG. 13 , a first light-emitting device 21 , a second light-emitting device 22 and a third light-emitting device 23 in each light-emitting unit 20 form one pixel, which displays a pixel data in the first sub-picture, wherein the center position of the pixel is the position of the black dot; when displaying the second sub-picture, as shown in FIG. 14 , each light-emitting unit 20 does not display the first The first light-emitting device 21 of the sub-picture, the third light-emitting device 23 located in the same column as the first light-emitting device 21, and the second light-emitting device 22 in the adjacent light-emitting unit 20 form a pixel to display the pixels in the second sub-picture. A pixel data, where the center of the pixel is the position of the white dot. As shown in FIG. 15 , the center position of each pixel lit when the pixel data of the first sub-picture is displayed does not overlap with the center position of each pixel that is lit when the pixel data of the second sub-picture is displayed. Therefore, There is no overlapping pixel data in the two sub-pictures, and the two sub-pictures are displayed adjacent to each other. Because the frequency is so fast that the human eye cannot distinguish, it is possible to display a high-resolution picture by using low physical pixels.

Optionally, in the driving method of the display panel provided by the embodiment of the present invention, according to the determined light-emitting device corresponding to each pixel data in the different sub-pictures, a driving signal is provided to the corresponding light-emitting device, and the corresponding light-emitting device is driven to light up. , the sub-pictures are displayed in sequence, including a variety of ways, each of which can realize the time-sharing display of each sub-picture, as follows:

The first way includes:

During the first time period, the first driving signal is simultaneously provided to all the light-emitting devices corresponding to the first sub-picture to display the first sub-picture;

During the second time period, the second driving signal is simultaneously provided to all the light-emitting devices corresponding to the second picture, and the second sub picture is displayed.

This method adopts the method of driving each light-emitting device at the same time. When the first sub-picture is displayed, the light-emitting device corresponding to the first sub-picture lights up at the same time, and when the second sub-picture is displayed, the light-emitting device corresponding to the second sub-picture is lit at the same time. Light up at the same time.

The second way includes:

During the first time period, the first driving signal is provided to the light-emitting device corresponding to the first sub-picture line by line to display the first sub-picture;

During the second time period, the second driving signal is provided to the light emitting device corresponding to the second picture line by line, and the second sub picture is displayed.

In this method, each row of light-emitting units in the display panel is arranged row by row. In this arrangement, the light-emitting units located in the same column can be connected to the same data line, which can reduce the wiring in the display panel.

The third way includes:

When the display panel includes at least a first display area and a second display area, and each display area includes multiple rows of adjacent light-emitting units;

During the first time period, the first driving signal is provided to the light-emitting devices in the first display area corresponding to the first picture line by line, and a part of the first sub-picture corresponding to the first display area is displayed;

During the second time period, the second driving signal is provided to the light-emitting device in the first display area corresponding to the second picture line by line, and a part of the second sub-picture corresponding to the first display area is displayed;

During the third time period, the third driving signal is provided to the light-emitting device in the second display area corresponding to the first picture line by line, and a part of the first sub-picture corresponding to the second display area is displayed;

During the fourth time period, the fourth driving signal is provided to the light-emitting devices in the second display area corresponding to the second picture line by line, and part of the second sub-pictures corresponding to the second display area are displayed until all the sub-pictures are displayed.

In this method, each row of light-emitting units in the display panel is firstly grouped, and after the grouping, each row of light-emitting units in each group is driven row by row, and the first sub-picture and the second sub-picture are displayed in a time-sharing manner. For example, the light-emitting units in each row of the display panel arranged in the column direction are divided into two groups. First, the light-emitting devices in the first group corresponding to the first sub-picture are driven row by row, and then the first group and the second sub-screen are driven row by row. The light-emitting device corresponding to the picture is turned on, and then the light-emitting device corresponding to the first sub-picture in the second group is driven to light up line by line, and finally the light-emitting device corresponding to the second sub-picture in the second group is driven line by line to light up, and the completion is completed. Display of the first sub-picture and the second sub-picture. The number of specific groups of each row of light-emitting units in the display panel is divided according to the actual usage, which is not specifically limited here.

Based on the same inventive concept, an embodiment of the present invention provides a display panel driven by the above-mentioned driving method. The display panel includes: a plurality of light-emitting units arranged in an array, and each light-emitting unit has two second light-emitting units with the same light-emitting color. a light-emitting device;

And all light-emitting devices in the same light-emitting unit share the same anode or the same cathode.

When the light-emitting devices in each light-emitting unit share a common anode, each light-emitting device displays different gray scales by providing different driving signals to the cathodes of the light-emitting devices; when the light-emitting devices in each light-emitting unit share a cathode, the The anode of the light-emitting device provides different driving signals, so that each light-emitting device can display different gray scales.

The driving principle and specific implementation manner of the display panel are the same as those in the driving method of the display panel provided in the above-mentioned embodiment, which can be implemented with reference to the embodiment in the driving method of the display panel, and will not be repeated here.

Based on the same inventive concept, an embodiment of the present invention provides a display device, including the display panel provided by the above-mentioned embodiments.

Wherein, the display device may be a mobile device such as a mobile phone, a tablet computer, a notebook, a smart watch, a smart bracelet, and VR/AR glasses. As shown in FIG. 16 , it is a top view of the above-mentioned display device provided by an embodiment of the present invention when it is a mobile phone, wherein the display screen 100 may adopt the structure of any of the above-mentioned display panels, which is not limited herein.

Since the display device provided in this embodiment includes the display panel described in the above-mentioned embodiment, it also has the relevant advantages of the above-mentioned display panel. For the implementation of the display device, reference may be made to the above-mentioned embodiment of the display panel, and the repetition is not repeated. Repeat.

Embodiments of the present invention provide a display panel, a method for driving the same, and a display device. The display panel includes a plurality of light-emitting units arranged in an array, and each of the light-emitting units includes a plurality of light-emitting devices, and there are light-emitting devices of the same color. The method includes: acquiring pixel data of a picture to be displayed; according to the multiple relationship between the number of pixel data in a row of the picture to be displayed and the number of light-emitting units in a row in the display panel, The to-be-displayed picture is divided into sub-pictures with the same number as the multiple; determining the light-emitting device that needs to be lit corresponding to each pixel data in each of the sub-pictures, for displaying the pixel data in different sub-pictures The centers of the pixel regions formed by the light-emitting devices do not overlap each other; according to the light-emitting devices corresponding to each pixel data in the determined different sub-pictures, driving signals are provided to the corresponding light-emitting devices to drive the corresponding light-emitting devices to light up, The sub-pictures are displayed sequentially. By including four light-emitting devices in each light-emitting unit, and making two of the light-emitting devices the same color, when the pixel data in the display row direction is greater than the number of light-emitting units in a row of the display panel, each light-emitting unit can form a In addition to the pixels, some light-emitting devices can be multiplexed between adjacent light-emitting units to form a pixel, and the center positions of the two pixels do not overlap, so that the high-pixel picture can be divided into a corresponding number of sub-pictures. Provide a driving signal to the corresponding light-emitting device in the time period of 2000, and perform time-sharing display on each sub-picture, so as to realize the display of high-pixel pictures by using the low physical pixels of the display panel, and improve the display quality.

Although preferred embodiments of the present invention have been described, additional changes and modifications to these embodiments may occur to those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of the present invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (10)

1. A method for driving a display panel, the display panel comprising a plurality of light-emitting units arranged in an array, each of the light-emitting units comprising a plurality of light-emitting devices, and there are two first light-emitting devices with the same light-emitting color ; It is characterized in that, described method comprises: Obtain the pixel data of the picture to be displayed; According to the multiple relationship between the number of pixel data in a row in the to-be-displayed image and the number of light-emitting units in a row in the display panel, the to-be-displayed image is divided into sub-images with the same number as the multiple; determining the light-emitting device to be lit corresponding to each pixel data in each of the sub-pictures, and the centers of the pixel regions formed by the light-emitting devices used for displaying each pixel data in different sub-pictures do not overlap each other; According to the determined light-emitting device corresponding to each pixel data in the different sub-pictures, a driving signal is provided to the corresponding light-emitting device to drive the corresponding light-emitting device to light up, and the sub-pictures are sequentially displayed. 2 . The driving method of the display panel according to claim 1 , wherein the light-emitting unit comprises four light-emitting devices arranged in a square shape, wherein, the driving method comprises two first light-emitting devices and one second light-emitting device. 3 . and a third light-emitting device; When the sub-pictures are displayed sequentially, the two first light-emitting devices in each of the light-emitting units are alternately lit. 3. The method for driving a display panel according to claim 2, wherein the dividing the to-be-displayed picture into sub-pictures with the same number as the multiple comprises: When it is determined that the number of pixel data in a row of the to-be-displayed picture is twice the number of light-emitting units in a row of the display panel, dividing the to-be-displayed picture into a first sub-picture and a second sub-picture; In a row of the pixel data, the pixel data at a first position belongs to the first sub-picture, and the pixel data at a second position belongs to the second sub-picture; Wherein, the first position and the second position are alternately arranged. 4 . The driving method of the display panel according to claim 3 , wherein the determining the light-emitting device to be turned on corresponding to each pixel data in each of the sub-pictures specifically comprises: 5 . When two of the first light emitting devices in the light emitting unit are located in the same column, determine that one of the first light emitting device, the second light emitting device and the third light emitting device in the first light emitting unit is used to light the the first subscreen; It is determined that the other first light emitting device in the first light emitting unit and the second light emitting device and the third light emitting device in the second light emitting unit adjacent in the row direction are used for lighting the second sub-picture. 5 . The driving method of the display panel according to claim 3 , wherein the determining the light-emitting device to be lit corresponding to each pixel data in each of the sub-pictures specifically comprises: 6 . When two of the first light-emitting devices in the light-emitting unit are located in the same row or diagonally arranged, determining that one of the first light-emitting device, the second light-emitting device and the third light-emitting device in the first light-emitting unit is used for lighting the first sub-picture; Determine another of the first light-emitting devices, a light-emitting device located in the same column as the other first light-emitting device, and a second light-emitting unit adjacent to the row direction that is the same as the first light-emitting device. A light-emitting unit is adjacent and the light-emitting devices other than the first light-emitting device are used for lighting the second sub-picture. 6. The driving method of a display panel according to claim 4 or 5, wherein the driving signal is provided to the corresponding light-emitting device according to the determined light-emitting device corresponding to each pixel data in the different sub-pictures, Driving the corresponding light-emitting device to light up, and sequentially displaying the sub-pictures, specifically including: During the first period of time, the first driving signal is simultaneously provided to all the light-emitting devices corresponding to the first sub-picture, and the first sub-picture is displayed; During the second time period, a second driving signal is simultaneously provided to all the light-emitting devices corresponding to the second picture, and the second sub picture is displayed. 7. The driving method of the display panel according to claim 4 or 5, wherein the driving signal is provided to the corresponding light-emitting device according to the determined light-emitting device corresponding to each pixel data in the different sub-pictures, Driving the corresponding light-emitting device to light up, and sequentially displaying the sub-pictures, specifically including: During the first time period, the first driving signal is provided to the light-emitting device corresponding to the first sub-picture line by line, and the first sub-picture is displayed; During the second time period, a second driving signal is provided to the light emitting device corresponding to the second picture line by line, and the second sub picture is displayed. 8. The driving method of a display panel according to claim 4 or 5, wherein the display panel comprises at least a first display area and a second display area, and each display area comprises multiple rows of adjacent light-emitting units; The step of providing a driving signal to the corresponding light-emitting device according to the light-emitting device corresponding to each pixel data in the determined different sub-pictures, driving the corresponding light-emitting device to light up, and sequentially displaying the sub-pictures, specifically includes: During a first period of time, a first driving signal is provided line by line to the light emitting devices in the first display area corresponding to the first picture, and a part of the first sub-picture corresponding to the first display area is displayed; During the second time period, a second driving signal is provided to the light-emitting devices in the first display area corresponding to the second picture line by line, and a part of the second sub-picture corresponding to the first display area is displayed; During a third time period, a third driving signal is provided line by line to the light emitting devices in the second display area corresponding to the first picture, and a part of the first sub picture corresponding to the second display area is displayed; During a fourth time period, a fourth driving signal is provided to the light-emitting devices in the second display area corresponding to the second picture line by line, and a part of the second sub-picture corresponding to the second display area is displayed until Complete the display of all sub-screens. 9. A display panel driven by the method according to any one of claims 1-8, characterized in that it comprises: a plurality of light-emitting units arranged in an array, and each of the light-emitting units has a light-emitting unit with the same light-emitting color. two first light emitting devices; And all the light-emitting devices in the same light-emitting unit share the same anode or the same cathode. 10. A display device, comprising the display panel according to claim 9.