WO2021164095A1

WO2021164095A1 - Display panel and display device

Info

Publication number: WO2021164095A1
Application number: PCT/CN2020/080757
Authority: WO
Inventors: 符民; 刘永锋
Original assignee: 深圳市华星光电半导体显示技术有限公司
Priority date: 2020-02-21
Filing date: 2020-03-23
Publication date: 2021-08-26
Also published as: CN111261029A

Abstract

The present invention provides a display panel and a display device. The display panel comprises a normal display area and a special-shaped display area. A plurality of second pixel groups and second scanning lines are sequentially arranged in the special-shaped display area; each second pixel group comprises a plurality of rows of sub-pixels arranged in a first direction; each row of sub-pixels are connected to the second scanning lines in the corresponding row; first scanning lines are connected with the second scanning lines, so that the size of the sub-pixels in the second pixel groups is reduced, the pixel density is improved, and the display quality is improved.

Description

Display panel and display device

Technical field

The present disclosure relates to the field of display technology, and more particularly to a display panel and a display device.

Background technique

With the rapid development of display technology, breakthroughs have been made in both the types of display panels and their functions.

The display panel includes a special-shaped display panel and a non-shaped display panel. Among them, the special-shaped display panel is a display panel with a special shape formed by transformation on the basis of a traditional display panel. Through improvements, the display panel can better adapt to its use environment and improve the display effect of the panel. However, for the existing special-shaped display panel, due to changes in its shape and structure, its display area or non-display area is no longer a regular shape such as a traditional rectangle. When these special-shaped areas are displayed on the screen, Close to the special-shaped boundary area of the display panel, the pixel unit and the special-shaped boundary line of the display panel cannot be completely overlapped or matched, and the display area of the display panel close to the special-shaped boundary is displayed with jagged lines and the pattern at the boundary is not smooth. , Serious color cast and other issues.

To sum up, in the existing special-shaped display panel, in the special-shaped boundary area close to the display panel, the pixel unit and the special-shaped boundary of the display panel cannot completely overlap or match each other. During display, the display screen is prone to jagged lines. And the display pattern at the border is not smooth, and the color cast is serious.

technical problem

The present disclosure provides a display panel and a display device to solve the problems of jagged display lines on the display screen at the abnormal-shaped boundary, uneven patterns at the display boundary, and serious color shift in the existing abnormal-shaped display panel.

Technical solutions

In order to solve the above technical problems, the technical solutions provided by the embodiments of the present disclosure are as follows:

According to the first aspect of the embodiments of the present disclosure, a display panel is provided:

The display area of the display panel includes a normal display area and a special-shaped display area adjacent to the normal display area;

A plurality of first pixel groups and a first scan line connected to the first pixel group are sequentially arranged in the normal display area, and a plurality of second pixel groups and connected to the second pixel group are sequentially arranged in the irregular display area. The second scan line of the pixel group;

Wherein, the second pixel group includes a plurality of rows of sub-pixels arranged along a first direction, each row of the sub-pixels is connected to a second scan line in its corresponding row, and each row of the first scan line is respectively connected to the corresponding row The second scan lines in the second pixel group in are connected.

According to an embodiment of the present disclosure, in the first direction, in each of the second pixel groups, the number of the second scan lines is greater than or equal to two.

According to an embodiment of the present disclosure, the second pixel group includes a first sub-pixel and a second sub-pixel, and the first sub-pixel is adjacent to the second sub-pixel.

According to an embodiment of the present disclosure, in each of the second pixel groups, the number of the second scan lines is 2, and each row of the first sub-pixels is connected to the second scan line in the corresponding row, and each row has The second sub-pixel is connected to the second scan line in its corresponding row.

According to an embodiment of the present disclosure, the pixel area of the first sub-pixel is the same as the pixel area of the second sub-pixel.

According to an embodiment of the present disclosure, the pixel area of each first pixel group is the same as the pixel area of the second pixel group.

According to an embodiment of the present disclosure, the pixel area of each sub-pixel in the first pixel group is larger than the pixel area of each sub-pixel in the second pixel group.

According to an embodiment of the present disclosure, the pixel area of each first pixel group is larger than the pixel area of the second pixel group.

According to an embodiment of the present disclosure, the display panel further includes data lines arranged along a second direction, the second direction being perpendicular to the first direction, and each of the data lines is corresponding to the second direction. The first pixel group and the second pixel group on the upper part are connected.

According to an embodiment of the present disclosure, the irregularly-shaped display area of the display panel has an irregularly-shaped boundary, and the shape of the irregularly-shaped boundary includes an arc, and the second pixel group is arranged in the arc.

According to the second aspect of the present disclosure, there is also provided a display device including a display panel,

Beneficial effect

The embodiments of the present disclosure provide a display panel and a display device. By improving the pixel structure in the irregular display area of the display panel, without changing the pixel area of each pixel group, a single sub-pixel in the original pixel group is changed. Pixels are changed to multiple sub-pixels to reduce the pixel area of each sub-pixel, thereby increasing the number of sub-pixels in the unit area area, and increasing the sub-pixel density in the irregular display area. When the image is displayed in the irregular display area, At the special-shaped boundary, it effectively reduces the jagged display problem of the picture and improves the display effect.

Description of the drawings

In order to explain the embodiments or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for disclosure. For some embodiments, those of ordinary skill in the art can obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic diagram of a partial pixel structure of a special-shaped display panel in the prior art;

2 is a schematic diagram of a partial pixel structure of a special-shaped display panel provided by an embodiment of the disclosure;

FIG. 3 is a schematic diagram of a pixel structure in any row provided in an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of another pixel structure provided by an embodiment of the disclosure.

Embodiments of the present invention

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work shall fall within the protection scope of the present disclosure.

In the embodiment of the present disclosure, as shown in FIG. 1, FIG. 1 is a schematic diagram of a partial pixel structure of a special-shaped display panel in the prior art. For the irregular display panel 100, the display area 101 is no longer a regular display shape such as a rectangle, but has an irregular irregular display area 102.

In the vicinity of the boundary line Y of the irregular display area 102, as shown in the area 103, due to the change in shape, the shape of the pixel unit M around the boundary line Y also changes accordingly. Some pixels cannot be displayed completely because they are removed, resulting in a jagged picture, serious color shift, and poor display effect.

As shown in FIG. 2, FIG. 2 is a schematic diagram of a part of the pixel structure of a special-shaped display panel provided by an embodiment of the present disclosure. In the embodiment of the present disclosure, the display area 201 in the irregular display panel 200 also includes a normal display area 202 and an irregular display area 203 in the display area 201. The normal display area 202 and the irregular display area 203 are adjacent to each other to form the entire display area 201 of the display panel 200.

Further, the display panel 200 further includes a plurality of data lines 206 and scan lines 207 arranged in an array. The data lines 206 are arranged along the second direction, that is, the direction of the row in FIG. 2 in the embodiment of the present disclosure; the scan lines 207 are along the first The direction is set, that is, the direction of the column in FIG. 2 in the embodiment of the present disclosure. To provide data signals and scan signals to pixels in the display area.

Specifically, in the embodiment of the present disclosure, a plurality of first pixel groups 204 are arrayed in the normal display area 202, and the first pixel groups 204 are regularly arranged in the row and column directions. The structure in the normal display area 202 is a normal display area, therefore, the shape of the first pixel group 204 does not change, and the setting is performed according to the conventional pixel structure when setting. In each row, a plurality of first pixel groups 204 in each row are respectively connected to its corresponding scan line 207, and at the same time, each first pixel group 204 is also connected to its corresponding data line 206. Furthermore, a first pixel group 204 arranged in an array is formed in the normal display area 202.

In the special-shaped display area 203, the shape of the special-shaped display area 203 may be an irregular shape. In the embodiment of the present disclosure, the special-shaped display area 203 includes a special-shaped boundary Y. Specifically, as shown in FIG. 2, the special-shaped boundary Y is Take a circular arc as an example for description.

A plurality of second pixel groups 205 are sequentially arranged in the irregular display area 203, and the second pixel groups 205 are arranged in an array along the first direction and the second direction, that is, arranged in the row direction and the column direction of the display panel 200.

Further, in the irregular display area 203 in the same row corresponding to each row of the normal display area 202, the second pixel group 205 further includes multiple rows of sub-pixels. In the embodiment of the present disclosure, each second pixel group 205 includes 2 rows of sub-pixels as an example for description. The embodiment of this disclosure is only an example, and the second pixel group 205 may further include 3 rows or more rows of sub-pixels. Pixels.

Specifically, the second pixel group 205 includes a first sub-pixel 2051 and a second sub-pixel 2052, and the first sub-pixel 2051 and the second sub-pixel 2052 are arranged vertically and adjacently in the second pixel group 205. Correspondingly, in each row of the first sub-pixel 2051 and each row of the second sub-pixel 2052, a second scan line 208 is also correspondingly provided. In the second pixel group 205, every time a row of sub-pixels is provided, a corresponding second scan line 208 corresponding to the sub-pixel needs to be provided. When there are two rows of sub-pixels in the second pixel group 205, there are two second scan lines 208. When there are N rows of sub-pixels in the second pixel group 205, correspondingly, there are also N second scan lines. , N≥2. At the same time, the second scan line 208 is respectively connected to all the sub-pixels in the row to provide scan signals to ensure the normal display of the display panel image.

In the embodiment of the present disclosure, in the normal display area 202, for the first pixel group 204 in any row, each first pixel group 204 is connected to a data line 206 and a scan line 207, that is, in the same In the row, only one scan line 207 is used. However, in the special-shaped display area 203, since this area is a special-shaped area, the deformation is the most serious at the special-shaped boundary Y. Therefore, when designing the pixel structure in the irregular display area 203, multiple rows of sub-pixels are designed in the second pixel group 205. That is, the larger-sized pixel in each pixel group is divided into a plurality of smaller-sized sub-pixels. This in turn increases the pixel density in a unit area. Since the density of pixels in the unit area area in the irregular display area 203 is increased, the display effect at the boundary of the irregular area is ensured, and the display quality of the panel image is improved.

Further, as shown in FIG. 3, FIG. 3 is a schematic diagram of a pixel structure in any row provided in an embodiment of the disclosure. In combination with the pixel structure in FIG. 2, in the irregular display area 203, two rows of sub-pixels are arranged in the second pixel group 205, that is, the first sub-pixel 2051 and the second sub-pixel 2052. The first sub-pixel 2051 in the same row is connected to the third scan line 2081, the second sub-pixel 2052 in the same row is connected to the fourth scan line 2082, the third scan line 2081 and the fourth scan line 2082 are both in the second scan At the same time, the first scan line 207 in the same row in the normal display area is connected to the second scan line 208, which is equivalent to dividing the first scan line 207 in two in the irregular display area 203. Thus, the number of sub-pixels in the second pixel group 205 is increased.

In the embodiment of the present disclosure, the pixel area of the first pixel group 204 may be the same as the pixel area or the opening area of the second pixel group 205. Moreover, in the second pixel group 205, the pixel area of the first sub-pixel 2051 may be the same as the pixel area of the second sub-pixel 2052. Since the shape and structure of the normal display area have not changed, when designing, only one sub-pixel can be provided in the first pixel group 204, and multiple sub-pixels can also be provided, and the pixels of each sub-pixel in the first pixel group 204 The area is larger than the pixel area of each sub-pixel in the second pixel group, thereby increasing the pixel density in the irregular display area to ensure display quality.

In the embodiment of the present disclosure, the pixel area of the first pixel group is larger than the pixel area of the second pixel group.

Further, as shown in FIG. 4, FIG. 4 is a schematic diagram of another pixel structure provided by an embodiment of the disclosure. In order to further increase the pixel density in the irregular display area, the pixel size of the sub-pixels in the second pixel group 205 is further reduced. In the embodiment of the present disclosure, three rows are arranged in the first direction in the second pixel group 205 The sub-pixels are the first sub-pixel 2051, the second sub-pixel 2052, and the third sub-pixel 2053. Correspondingly, three second scan lines 208 are provided in the second pixel group 205, namely, scan line 2081, scan line 2082, and scan line 2083. Each row of scan lines is connected to the sub-pixels in the corresponding row, and at the same time, the first scan line 207 in the normal display area is connected to the above three second scan lines 208 through nodes and provides scan signals for them. In this way, the pixel size of the sub-pixels in the second pixel group 205 is further reduced, so that the pixel density in the irregular display area is increased, thereby improving the jagged problem at the irregular boundary, improving the color shift, and improving the display quality.

The embodiment of the present disclosure also provides a display device, which includes a special-shaped display panel. When the special-shaped display panel is arranged, the pixel structure in the embodiment of the present disclosure is designed to reduce the size of the pixels in the special-shaped display area. , Increasing the pixel density in the irregular display area to improve the display effect of the panel in the irregular display area of the display device. The display area of the display panel includes a normal display area and an irregular display area adjacent to the normal display area; A plurality of first pixel groups and a first scan line connected to the first pixel group are sequentially arranged in the normal display area, and a plurality of second pixel groups and connected to the second pixel group are sequentially arranged in the irregular display area. The second scan line of the pixel group; wherein, the second pixel group includes a plurality of rows of sub-pixels arranged along a first direction, each row of the sub-pixels is connected to the second scan line in its corresponding row, and each row of the The first scan lines are respectively connected to the second scan lines in the second pixel group in the corresponding row.

In the display device in the embodiment of the present disclosure, in the first direction, in each of the second pixel groups, the number of the second scan lines is greater than or equal to two.

In the display device in the embodiment of the present disclosure, the second pixel group includes a first sub-pixel and a second sub-pixel, and the first sub-pixel is adjacent to the second sub-pixel.

In the display device in the embodiment of the present disclosure, the number of the second scan lines in each second pixel group is 2, and each row of the first sub-pixels is connected to the second scan line in the corresponding row, The second sub-pixels in each row are connected to the second scan line in the corresponding row.

In the display device in the embodiment of the present disclosure, the pixel area of the first sub-pixel is the same as the pixel area of the second sub-pixel.

In the display device in the embodiment of the present disclosure, the pixel area of each first pixel group is the same as the pixel area of the second pixel group.

In the display device in the embodiment of the present disclosure, the pixel area of each sub-pixel in the first pixel group is larger than the pixel area of each sub-pixel in the second pixel group.

In the display device in the embodiment of the present disclosure, the pixel area of each first pixel group is larger than the pixel area of the second pixel group.

In the display device in the embodiment of the present disclosure, the display panel further includes a data line arranged along a second direction, the second direction is perpendicular to the first direction, and each data line corresponds to the The first pixel group and the second pixel group in the second direction are connected.

In the display device in the embodiment of the present disclosure, the irregularly-shaped display area of the display panel has an irregularly-shaped boundary, and the shape of the irregularly-shaped boundary includes a circular arc, and the second pixel group is arranged in the circular arc.

The above is a detailed introduction to a display panel and a display device provided by the embodiments of the present disclosure. The descriptions of the above embodiments are only used to help understand the technical solutions and core ideas of the present disclosure; those of ordinary skill in the art should understand: The technical solutions described in the foregoing embodiments can still be modified, and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present disclosure.

Claims

A display panel in which,

The display area of the display panel includes a normal display area and a special-shaped display area adjacent to the normal display area;

A plurality of first pixel groups and a first scan line connected to the first pixel group are sequentially arranged in the normal display area, and a plurality of second pixel groups and connected to the second pixel group are sequentially arranged in the irregular display area. The second scan line of the pixel group;

Wherein, the second pixel group includes a plurality of rows of sub-pixels arranged along a first direction, each row of the sub-pixels is connected to a second scan line in its corresponding row, and each row of the first scan line is respectively connected to the corresponding row The second scan lines in the second pixel group in are connected.
4. The display panel of claim 1, wherein in the first direction, in each of the second pixel groups, the number of the second scan lines is greater than or equal to two.
3. The display panel of claim 2, wherein the second pixel group includes a first sub-pixel and a second sub-pixel, and the first sub-pixel is adjacent to the second sub-pixel.
3. The display panel according to claim 3, wherein the number of the second scan lines in each second pixel group is 2, and each row of the first sub-pixel and the second scan line in the corresponding row Connected, the second sub-pixels in each row are connected to the second scan line in the corresponding row.
3. The display panel of claim 3, wherein the pixel area of the first sub-pixel is the same as the pixel area of the second sub-pixel.
The display panel of claim 1, wherein the pixel area of each of the first pixel groups is the same as the pixel area of the second pixel group.
7. The display panel of claim 6, wherein the pixel area of each sub-pixel in the first pixel group is larger than the pixel area of each sub-pixel in the second pixel group.
The display panel of claim 1, wherein the pixel area of each of the first pixel groups is larger than the pixel area of the second pixel group.
The display panel according to claim 1, wherein the display panel further comprises a data line arranged along a second direction, the second direction is perpendicular to the first direction, and each of the data lines corresponds to The first pixel group and the second pixel group in the second direction are connected.
3. The display panel according to claim 1, wherein the irregularly-shaped display area of the display panel has an irregularly-shaped boundary, the shape of the irregularly-shaped boundary includes an arc, and the second pixel group is arranged in the arc.
A display device includes a display panel,

The display area of the display panel includes a normal display area and a special-shaped display area adjacent to the normal display area;

A plurality of first pixel groups and a first scan line connected to the first pixel group are sequentially arranged in the normal display area, and a plurality of second pixel groups and connected to the second pixel group are sequentially arranged in the irregular display area. The second scan line of the pixel group;

Wherein, the second pixel group includes a plurality of rows of sub-pixels arranged along a first direction, each row of the sub-pixels is connected to a second scan line in its corresponding row, and each row of the first scan line is respectively connected to the corresponding row The second scan lines in the second pixel group in are connected.
11. The display device according to claim 11, wherein, in each of the second pixel groups in the first direction, the number of the second scan lines is greater than or equal to two.
The display device according to claim 12, wherein the second pixel group includes a first sub-pixel and a second sub-pixel, and the first sub-pixel is adjacent to the second sub-pixel.
13. The display device according to claim 13, wherein the number of the second scan lines in each second pixel group is 2, and each row of the first sub-pixels and the second scan line in the corresponding row Connected, the second sub-pixels in each row are connected to the second scan line in the corresponding row.
The display device according to claim 13, wherein the pixel area of the first sub-pixel is the same as the pixel area of the second sub-pixel.
11. The display device according to claim 11, wherein the pixel area of each of the first pixel groups is the same as the pixel area of the second pixel group.
16. The display device of claim 16, wherein the pixel area of each sub-pixel in the first pixel group is larger than the pixel area of each sub-pixel in the second pixel group.
11. The display device of claim 11, wherein the pixel area of each of the first pixel groups is larger than the pixel area of the second pixel group.
11. The display device according to claim 11, wherein the display panel further comprises data lines arranged along a second direction, the second direction being perpendicular to the first direction, and each of the data lines is corresponding to the The first pixel group and the second pixel group in the second direction are connected.
11. The display device according to claim 11, wherein the irregularly-shaped display area of the display panel has an irregularly-shaped boundary, and the shape of the irregularly-shaped boundary includes a circular arc, and the second pixel group is arranged in the circular arc.