US-20260126881-A1 - DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE

US20260126881A1US 20260126881 A1US20260126881 A1US 20260126881A1US-20260126881-A1

Abstract

A display substrate, a display panel and a display device are provided. The display substrate includes: a base substrate; a plurality of sub-pixels arranged in an array on the base substrate, wherein at least one sub-pixel includes a first electrode, the first electrodes of the sub-pixels in one of two adjacent rows of sub-pixels extend in a first direction, and the first electrodes of the sub-pixels in the other one of the two adjacent rows of sub-pixels extend in a second direction intersecting with the first direction; and a touch electrode and a plurality of touch lines, wherein the touch electrode includes a plurality of touch units, one touch unit is connected to at least one touch line, and different touch units are connected to different touch lines; and wherein each touch unit covers an even number of rows of sub-pixels.

Inventors

Tian Zhang
Honggang GU
Xianna Wang
Zhuqing Xu
Chaoping Wen
Guangye HAO

Assignees

Nanjing BOE Display Technology Co., Ltd.
BOE TECHNOLOGY GROUP CO., LTD.

Dates

Publication Date: 20260507
Application Date: 20260105

Claims (20)

1 . A display substrate comprising: a base substrate; a plurality of sub-pixels arranged in an array on the base substrate, wherein at least one of the plurality of sub-pixels comprises a first electrode, the first electrodes of the sub-pixels in one of two adjacent rows of sub-pixels extend in a first direction, and the first electrodes of the sub-pixels in the other one of the two adjacent rows of sub-pixels extend in a second direction intersecting with the first direction; and a touch electrode and a plurality of touch lines, wherein the touch electrode comprises a plurality of touch units, one of the plurality of touch units is connected to at least one of the plurality of touch lines, and different touch units are connected to different touch lines; and wherein each touch unit covers an even number of rows of sub-pixels, wherein the first electrode of at least one sub-pixel comprises a plurality of strip electrodes, and the plurality of strip electrodes of the same sub-pixel extend in substantially the same direction; wherein at least one touch unit comprises a plurality of touch blocks, each touch block corresponds to at least one sub-pixel, and different touch blocks correspond to different sub-pixels; the touch block is multiplexed as a second electrode of the sub-pixel corresponding to the touch block, wherein the first electrode and the second electrode form a driving electrode of the sub-pixel; and wherein the touch block is in form of a flat plate; and wherein a preset angle is formed between the first direction and the second direction, such that: the drive electrodes of the sub-pixels in one of two adjacent rows of sub-pixels are allowed to form a first domain electric field, and the driving electrodes of the sub-pixels in the other one of the two adjacent rows of sub-pixels are allowed to form a second domain electric field, wherein a direction of the first domain electric field is different from a direction of the second domain electric field.
2 . The display substrate of claim 1 , wherein the plurality of touch units are arranged in an array, and touch units in the same row cover the same number of rows of sub-pixels, and wherein the number of rows of sub-pixels covered by each row of touch units is the same as the number of rows of sub-pixels covered by another row of touch units.
3 . The display substrate of claim 1 , wherein the plurality of touch units are arranged in an array, and touch units in the same row cover the same number of rows of sub-pixels, and wherein the number of rows of sub-pixels covered by at least one row of first to n th rows of touch units is different from the number of rows of sub-pixels covered by at least one row of (n+1) th to m th rows of touch units; and/or, the number of rows of sub-pixels covered by at least one row of (n+1) th to m th rows of touch units is different from the number of rows of sub-pixels covered by at least one row of (m+1) th to a N th rows of touch units; and wherein N is a total number of the rows of touch units, each of m and n is an integer, and 1≤n<m<N.
4 . The display substrate of claim 3 , wherein 21 ⁢ % ≥ n m ≥ 2 ⁢ % ; and / or , 16 ⁢ % ≥ n N ≥ 3 ⁢ % ; and / or , 97 ⁢ % ≥ m N ≥ 7 ⁢ 5 ⁢ % .
5 . The display substrate of claim 3 , wherein the plurality of touch units satisfies: y < x ⁢ and ⁢ y < z ; or , y ≥ x ⁢ and ⁢ y < z ; or ⁢ y > x ⁢ and ⁢ y > z ; wherein, x is the number of rows of sub-pixels covered by the at least one row of the first to n th rows of touch units, y is the number of rows of sub-pixels covered by the at least one row of the (n+1) th to m th rows of touch units, z is the number of rows of sub-pixels covered by the at least one row of the (m+1) th to N th rows of touch units.
6 . The display substrate of claim 3 , wherein the number of rows of sub-pixels covered by one of two adjacent rows of the (n+1) th to m th rows of touch units is different from the number of rows of sub-pixels covered by the other one of the two adjacent rows of the (n+1) th to m th rows of touch units.
7 . The display substrate of claim 3 , wherein the number of rows of sub-pixels covered by the N th row of touch units is different from the number of rows of the sub-pixels covered by any other row of touch units.
8 . The display substrate of claim 3 , wherein the number of columns of sub-pixels covered by each touch unit is the same as the number of columns of sub-pixels covered by another touch unit; or, the number of columns of sub-pixels covered by at least one touch unit in at least one row of the (m+1) th to N th rows of the touch units is different from the number of columns of sub-pixels covered by the touch unit in any other row of the (m+1) th to N th rows of touch units; wherein more than one touch units in at least one row of the (m+1) th to N th rows comprise: at least one first touch unit and at least one second touch unit, an orthographic projection of the first touch unit on the base substrate is different from an orthographic projection of the second touch unit on the base substrate; wherein the number of columns of sub-pixels covered by the first touch unit is different from the number of columns of sub-pixels covered by the second touch unit, and the number of columns of sub-pixels covered by the first touch unit is different from the number of columns of sub-pixels covered by the touch unit in any other row of touch units.
9 . The display substrate of claim 1 , wherein the number of rows of sub-pixels covered by one of two adjacent rows of touch units is c, and the number of rows of sub-pixels covered by the other one of the two adjacent rows of touch units is d, wherein c is less than d, and c d ≥ 8 ⁢ 0 ⁢ % .
10 . The display substrate of claim 1 , wherein an area of each touch unit in one of two adjacent rows of touch units is large than e, an area of each touch unit in the other one of the two adjacent rows of touch units is large than f, wherein e is less than f, and e f ≥ 9 ⁢ 2 ⁢ % .
11 . The display substrate of claim 1 , wherein the plurality of sub-pixels form a plurality of pixel units, one pixel unit comprising more than one sub-pixels in different colors; the plurality of touch blocks in a same touch unit are divided into a plurality of groups, at least one group comprising more than one touch blocks, wherein the sub-pixels corresponding to the touch blocks in at least one group belong to a same pixel unit, and the touch blocks in a same group are connected to each other.
12 . The display substrate of claim 11 , wherein different groups of touch blocks are spaced by an interval, and the touch blocks belonging to different groups in a same touch unit are connected to each other by a first connection part.
13 . The display substrate of claim 12 , wherein the groups of touch blocks connected to the first connection part are arranged surrounding the first connection part.
14 . The display substrate of claim 1 , wherein the display substrate further comprises a plurality of gate lines extending in a row direction, one row of sub-pixels are connected to one gate line, the touch electrode further comprises a plurality of rows of first hollow structures, at least one row of first hollow structures corresponds to at least one gate line, and different rows of first hollow structures correspond to different gate lines; and an orthographic projection of at least one row of first hollow structures on the base substrate at least partially overlaps with an orthographic projection of the gate line corresponding to the at least one row of first hollow structures on the base substrate.
15 . The display substrate of claim 14 , wherein at least one sub-pixel further comprises a thin film transistor connected to a data line; the touch electrode further comprises a plurality of second hollow structures, at least one second hollow structure corresponds to at least one sub-pixel, different second hollow structures correspond to different sub-pixels, and an orthographic projection of at least one second hollow structure on the base substrate at least partially overlaps with an orthographic projection of the thin film transistor of the sub-pixel corresponding to the second hollow structure on the base substrate.
16 . The display substrate of claim 15 , wherein the thin film transistor comprises a semiconductor layer and a gate layer; the semiconductor layer comprises a first electrode connection part, a second electrode connection part and a channel part disposed between the first electrode connection part and the second electrode connection part, the channel part is disposed directly opposite to the gate layer, and the channel part is in form of a straight line.
17 . The display substrate of claim 1 , wherein the display substrate further comprises a plurality of data lines extending in a column direction, and one column of the sub-pixels are connected to the same data line; the sub-pixel comprises a first side and a second side opposite to the first side, and an orthographic projection of at least one of the plurality of data lines on the base substrate is on the first side of an orthographic projection of the sub-pixels connected to at least one of the plurality of the data lines on the base substrate; at least one of the plurality of data lines comprises a plurality of segments, at least one of the plurality of segments comprises a first part corresponding to an odd numbered row of sub-pixels and a second part corresponding to an even numbered row of sub-pixels, a direction along which the first part extends is substantially the same as a direction along which the first electrodes of the sub-pixels corresponding to the first part extend, and a direction along which the second part extends is substantially the same as a direction along which the first electrodes of the sub-pixels corresponding to the second part extend; and two adjacent segments of at least one of the plurality of data lines are connected to each other by a second connection part, the second connection part is bended in a third direction directing from the second side of the sub-pixel to the first side of the sub-pixel.
18 . The display substrate of claim 1 , wherein the plurality of sub-pixels are divided into a plurality of groups, at least one group of sub-pixels comprises two adjacent rows of sub-pixels, and sub-pixels in different groups belong to different rows.
19 . A display panel comprising a display substrate of claim 1 .
20 . A display device comprising a display panel of claim 19 .

Description

CROSS REFERENCE TO RELATED APPLICATION(S) This application is a continuation of application Ser. No. 18/889,346 filed on Sep. 18, 2024, which published as U.S. 2025/0028417, on Jan. 23, 2025, entitled “DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE”, which is a continuation of application Ser. No. 17/801,566 filed on Aug. 23, 2022, which published as U.S. 2024/0143119, on May 2, 2024, entitled “DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE”, and patented as U.S. Pat. No. 12,147,636 B2 on Nov. 19, 2024, which is a Section 371 National Stage Application of International Application No. PCT/CN2021/126604, filed on Oct. 27, 2021, which published as WO 2023/070354, on May 4, 2023, entitled “DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE”, the disclosures of which are incorporated herein by reference in their entireties. TECHNICAL FIELD The present disclosure relates to a field of display technology, and in particular to a display substrate, a display panel and a display device. BACKGROUND With a development of the display technology, In-cell technology has been widely used in a display substrate. The display substrate using In-cell technology may perform display and touch control in a time-sharing manner, thereby realizing an integration of display and touch control. SUMMARY The present disclosure provides a display substrate, a display panel and a display device. According to a first aspect of the present disclosure, there is provided a display substrate, including: a base substrate;a plurality of sub-pixels arranged in an array on the base substrate, wherein at least one of the plurality of sub-pixels includes a first electrode, the first electrodes of the sub-pixels in one of two adjacent rows of sub-pixels extend in a first direction, and the first electrodes of the sub-pixels in the other one of the two adjacent rows of sub-pixels extend in a second direction intersecting with the first direction; anda touch electrode and a plurality of touch lines, wherein the touch electrode includes a plurality of touch units, one of the plurality of touch units is connected to at least one of the plurality of touch lines, and different touch units are connected to different touch lines; andwherein each touch unit covers an even number of rows of sub-pixels. According to embodiments of the present disclosure, the plurality of touch units are arranged in an array, and touch units in the same row cover the same number of rows of sub-pixels. According to embodiments of the present disclosure, the number of rows of sub-pixels covered by each row of touch units is the same as the number of rows of sub-pixels covered by another row of touch units. According to embodiments of the present disclosure, the number of rows of sub-pixels covered by each of at least two rows of the touch units is different from the number of rows of sub-pixels covered by another one of at least two rows of the touch units. According to embodiments of the present disclosure, the number of rows of sub-pixels covered by at least one row of first to nth rows of touch units is different from the number of rows of sub-pixels covered by at least one row of (n+1)th to mth rows of touch units; and/or, the number of rows of sub-pixels covered by at least one row of (n+1)th to mth rows of touch units is different from the number of rows of sub-pixels covered by at least one row of (m+1)th to a Nth rows of touch units; andwherein N is a total number of the rows of touch units, each of m and n is an integer, and 1≤n<m<N. According to embodiments of the present disclosure, 21⁢%≥nm≥2⁢%;and/or,16⁢%≥nN≥3⁢%;and/or,97⁢%≥mN≥7⁢5⁢%. According to embodiments of the present disclosure, the plurality of touch units satisfies: y<x⁢ and⁢ y<z;or,y≥x⁢ and⁢ y<z;or⁢ y>x⁢ and⁢ y>z;wherein, x is the number of rows of sub-pixels covered by the at least one row of the first to nth rows of touch units, y is the number of rows of sub-pixels covered by the at least one row of the (n+1)th to mth rows of touch units, z is the number of rows of sub-pixels covered by the at least one row of the (m+1)th to Nth rows of touch units. According to embodiments of the present disclosure, the number of rows of sub-pixels covered by one of two adjacent rows of the (n+1)th to mth rows of touch units is different from the number of rows of sub-pixels covered by the other one of the two adjacent rows of the (n+1)th to mth rows of touch units. According to embodiments of the present disclosure, the number of rows of sub-pixels covered by the Nth row of touch units is different from the number of rows of the sub-pixels covered by any other row of touch units. According to embodiments of the present disclosure, the number of columns of sub-pixels covered by each touch unit is the same as the number of columns of sub-pixels covered by another touch unit; or, the number of columns of sub-pixels covered by at least one touch unit in at least one row of the (m+1)th to Nth rows of t