WO2021223488A1 - 显示基板、显示面板及显示装置 - Google Patents

显示基板、显示面板及显示装置 Download PDF

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Publication number
WO2021223488A1
WO2021223488A1 PCT/CN2021/076818 CN2021076818W WO2021223488A1 WO 2021223488 A1 WO2021223488 A1 WO 2021223488A1 CN 2021076818 W CN2021076818 W CN 2021076818W WO 2021223488 A1 WO2021223488 A1 WO 2021223488A1
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Prior art keywords
concave
display
convex structure
data line
sub
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PCT/CN2021/076818
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English (en)
French (fr)
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刘颀
张伟
于真锟
许本志
高吉磊
王喜鹏
张永刚
李斌
李超
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京东方科技集团股份有限公司
合肥京东方显示技术有限公司
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Priority to US17/922,466 priority Critical patent/US20230176434A1/en
Publication of WO2021223488A1 publication Critical patent/WO2021223488A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line

Definitions

  • the present disclosure relates to the field of display technology, and in particular to a display substrate, a display panel and a display device.
  • TFT-LCD Thin Film Transistor-Liquid Crystal Display Due to the limitation of the TFT-LCD production process, the coupling capacitance between the data line and the pixel electrode has a great influence on the picture quality.
  • the embodiments of the present disclosure provide a display substrate, including:
  • the base substrate has a display area
  • a plurality of sub-pixels arranged in an array and located in the display area of the base substrate;
  • a plurality of data lines are located in the display area of the base substrate, the data lines extend along the column direction of the sub-pixels, and a column of sub-pixels is correspondingly electrically connected to at least one of the data lines.
  • the sub-pixels whose orthographic projection of the data line on the base substrate faces the electrical connection have a plurality of first concave-convex structures on one side of the orthographic projection of the base substrate.
  • the sub-pixels of the data line on the orthographic projection of the base substrate that are away from the electrical connection have a plurality of second concave-convex structures on the side of the orthographic projection of the base substrate.
  • the protrusions of the first concave-convex structure and the convexities of the second concave-convex structure are arranged correspondingly, and the concave and the convex of the first concave-convex structure
  • the recesses of the second concave-convex structure are correspondingly arranged.
  • the protrusions of the first concave-convex structure and the concaves of the second concave-convex structure are arranged correspondingly, and the concaves of the first concave-convex structure and the concaves of the first concave-convex structure are arranged correspondingly.
  • the protrusions of the second concave-convex structure are arranged correspondingly.
  • At least one of the first concave-convex structure and the second concave-convex structure is integrally formed with the data line.
  • the distance between the centers of two adjacent recesses in the plurality of first concave-convex structures and the orthographic projection of the base substrate is the same;
  • the distances between the centers of two adjacent recesses in the plurality of second concave-convex structures and the orthographic projections of the base substrate are the same.
  • the shape of the orthographic projection of at least one of the first concave-convex structure and the second concave-convex structure on the base substrate includes: a wall shape, a fishbone shape, and a zigzag shape. And wavy.
  • the orthographic projection of the plurality of second uneven structures on the base substrate has the same shape as the orthographic projection of the plurality of first uneven structures on the base substrate.
  • embodiments of the present disclosure also provide a display panel, including a display substrate and an opposite substrate that are arranged oppositely, and a liquid crystal layer packaged between the display substrate and the opposite substrate; the display substrate The above-mentioned display substrate provided by the embodiment of the present disclosure.
  • the embodiment of the present disclosure also provides a display device, including the above-mentioned display panel provided by the embodiment of the present disclosure.
  • FIG. 1 is a schematic diagram of a specific structure of a display substrate in the related art
  • FIG. 2 is a schematic diagram of the structure of a display substrate provided by an embodiment of the disclosure.
  • FIG. 3 is a schematic diagram of some specific structures of a display substrate provided by an embodiment of the disclosure.
  • FIG. 4 is a schematic diagram of other specific structures of the display substrate provided by the embodiments of the present disclosure.
  • FIG. 5 is a schematic diagram of the structure of some data lines of a display substrate provided by an embodiment of the disclosure.
  • the main structure of the TFT-LCD includes the display substrate and the counter substrate of the cell.
  • the display substrate is formed with gate lines, data lines, and thin film transistors and pixel electrodes arranged in a matrix.
  • the control signals applied on the gate lines make the data lines
  • the signal voltage is transmitted to the pixel electrode, and the desired picture is displayed by controlling the deflection of the liquid crystal.
  • the pixel electrodes on both sides of the data line in TFT-LCD cannot achieve a symmetrical design, resulting in the data line and both sides
  • the coupling capacitance of the pixel electrode is different.
  • the pixel electrode 110-R is electrically connected to the data line D1 through a corresponding thin film transistor
  • the pixel electrode 110-B is electrically connected to the data line D2 through a corresponding thin film transistor
  • the pixel electrode 110-G is electrically connected through a corresponding thin film transistor. It is electrically connected to the data line D3.
  • the pixel electrode 110-R and the pixel electrode 110-B cannot achieve a symmetrical design, and the pixel electrode 110-B and the pixel electrode 110-G cannot achieve a symmetrical design.
  • the coupling capacitance Cpd1 between the data line D1 and the pixel electrode 110-R is made larger than the coupling capacitance Cpd2 between the data line D1 and the pixel electrode 110-B.
  • the data line D1 switches the polarity of the data signal, the voltage of the pixel electrode 110-R and the pixel electrode 110-B will be pulled. If the display panel is driven in the column flip mode, the voltages of the pixel electrode 110-R and the pixel electrode 110-B are pulled differently, resulting in brightening or darkening, resulting in uneven display of the picture.
  • a display substrate as shown in FIGS. 2 to 5, which may include: a base substrate 100, a plurality of sub-pixels spx located in the display area AA of the base substrate 100, and a plurality of data Line and a plurality of gate lines; among them, a column of sub-pixel spx is correspondingly electrically connected to at least one data line; a row of sub-pixel spx is correspondingly electrically connected to at least one gate line GA; and the data line extends along the column direction of the sub-pixel spx, and the gate line extends along The sub-pixel spx extends in the row direction.
  • each sub-pixel spx includes a pixel electrode 110 and a thin film transistor 120; wherein, the gate of the thin film transistor 120 is electrically connected to the corresponding gate line GA, the source of the thin film transistor 120 is electrically connected to the corresponding data line, and the thin film transistor 120 The drain electrode is electrically connected to the pixel electrode 110.
  • the sub-pixel spx where the orthographic projection of the data line on the base substrate 100 faces the electrical connection has a plurality of first concave-convex structures 130 on the side of the orthographic projection of the base substrate 100.
  • the data line is projected on the base substrate 100 toward the electrical connection.
  • the sub-pixel spx is provided with a plurality of first concave-convex structures 130 on one side of the orthographic projection of the base substrate 100.
  • the distance between the data line and the electrically connected sub-pixel spx is increased in the recess in the first concave-convex structure 130, and the coupling capacitance between the data line and the electrically connected sub-pixel spx can be reduced, thereby making the data line
  • the coupling capacitance between the electrically connected sub-pixel spx and the coupling capacitance between the data line and the adjacent sub-pixel spx that are not electrically connected are as close as possible, thereby reducing the gap between the data line and the electrically connected sub-pixel spx.
  • the difference between the coupling capacitor and the coupling capacitor between the data line and the adjacent sub-pixel spx that is not electrically connected improves the uniformity of the picture display.
  • the display substrate may include a plurality of pixel units, and each pixel unit may include a plurality of sub-pixels spx.
  • the pixel unit may include a red sub-pixel spx, a green sub-pixel spx, and a blue sub-pixel spx. In this way, red, green and blue can be mixed to achieve color display.
  • the pixel unit may also include a red sub-pixel spx, a green sub-pixel spx, a blue sub-pixel spx, and a white sub-pixel spx, so that red, green, blue and white can be mixed to achieve color display.
  • the light-emitting color of the sub-pixel spx in the pixel unit can be designed and determined according to the actual application environment, which is not limited here.
  • the pixel unit may include a red sub-pixel spx, a green sub-pixel spx, and a blue sub-pixel spx.
  • the red sub-pixel spx may include the pixel electrode 110-R
  • the green sub-pixel spx may include the pixel electrode 110-G
  • the blue sub-pixel spx may include the pixel electrode 110-B.
  • the pixel electrode 110-R is electrically connected to the data line D1 through the thin film transistor 120
  • the pixel electrode 110-G is electrically connected to the data line D3 through the thin film transistor 120
  • the pixel electrode 110-B is electrically connected to the data line D2 through the thin film transistor 120.
  • the orthographic projection of the data line on the base substrate 100 deviates from the orthographic projection of the electrically connected sub-pixel spx on the base substrate 100
  • the side of the data line D1 facing the pixel electrode 110-R may have a plurality of first concave-convex structures 130, and the side of the data line D1 facing the pixel electrode 110-B may have A plurality of second concavo-convex structures 140 can reduce the coupling capacitance Cpd1' between the data line D1 and the pixel electrode 110-R, and reduce the coupling capacitance Cpd2' between the data line D1 and the pixel electrode 110-B, In turn, the difference ⁇ Cpd" between Cpd1' and Cpd2' can be reduced. According to the formula: It can be seen that the voltage pulling difference ⁇ V between the pixel electrode 110-R and the pixel electrode 110-B by the data line D1 will also decrease.
  • the protrusions of the first concave-convex structure 130 and the convexities of the second concave-convex structure 140 may be correspondingly arranged, and the first The recesses of the concave-convex structure 130 and the recesses of the second concave-convex structure 140 may be arranged correspondingly.
  • the protrusions of the first concave-convex structure 130 and the convexities of the second concave-convex structure 140 are arranged correspondingly, which means that the protrusions of the first concave-convex structure 130 are spaced along the extending direction of the data line.
  • the protrusions of the second concave-convex structure 140 are arranged at intervals along the extending direction of the data line, and a recess is provided between the two protrusions; and the protrusions of the first concave-convex structure 130 and The protrusions of the second concave-convex structure 140 substantially extend on a straight line along the row direction of the sub-pixel spx.
  • the protrusions of the first concave-convex structure 130 and the recesses of the second concave-convex structure 140 may be correspondingly arranged, and The recesses of the first concavo-convex structure 130 and the protrusions of the second concavo-convex structure 140 may be arranged correspondingly.
  • the protrusions of the first uneven structure 130 and the protrusions of the second uneven structure 140 are arranged correspondingly; the protrusions of the first uneven structure 130 are spaced along the extending direction of the data line.
  • the protrusions of the second concave-convex structure 140 are arranged at intervals along the extending direction of the data line, and a recess is provided between the two protrusions; and the protrusions of the first concave-convex structure 130 and The recesses of the second concavo-convex structure 140 generally extend on a straight line along the row direction of the sub-pixel spx, the recesses of the first concavo-convex structure 130 and the protrusion of the second concavo-convex structure 140 generally extend on a straight line along the row direction of the sub-pixel spx .
  • At least one of the first concave-convex structure 130 and the second concave-convex structure 140 may be integrally formed with the data line.
  • each first concave-convex structure 130 and each second concave-convex structure 140 are integrally formed with the data line. In this way, the patterns of each first concave-convex structure 130, each second concave-convex structure 140 and the data line can be formed by the same patterning process, which reduces the number of process steps.
  • the centers of two adjacent recesses in the plurality of first concave-convex structures 130 are in the orthographic projection of the base substrate 100.
  • the distance W1 between them is approximately the same.
  • the distance W2 between the centers of the adjacent two recesses in the plurality of second concave-convex structures 140 and the orthographic projection of the base substrate 100 is approximately the same.
  • the distance W1 between the centers of two adjacent recesses in the first concave-convex structure 130 and the orthographic projection of the base substrate 100 and the centers of two adjacent recesses in the second concave-convex structure 140 can be set on the base substrate 100.
  • the distance W2 between the orthographic projections is approximately the same.
  • the shape of the orthographic projection of at least one of the first concave-convex structure 130 and the second concave-convex structure 140 on the base substrate 100 may include: a city wall shape, a fishbone shape , Jagged and wavy.
  • the shape of the orthographic projection of the first concave-convex structure 130 and the second concave-convex structure 140 on the base substrate 100 may be a city wall shape.
  • the shape of the orthographic projection of the first concave-convex structure 130 and the second concave-convex structure 140 on the base substrate 100 may be a fishbone shape.
  • the specific implementation of the shape of the orthographic projection of the first concave-convex structure 130 and the second concave-convex structure 140 on the base substrate 100 can be designed and determined according to actual application requirements, and is not limited herein.
  • the orthographic projection of the plurality of second concave-convex structures 140 on the base substrate 100 and the orthographic projection of the plurality of first concave-convex structures 130 on the base substrate 100 may have the same shape.
  • the shape of the orthographic projection of the first concave-convex structure 130 and the second concave-convex structure 140 on the base substrate 100 can be both the shape of a city wall.
  • the shape of the orthographic projection of the first concave-convex structure 130 and the second concave-convex structure 140 on the base substrate 100 may both be fishbone shapes.
  • the above-mentioned features are not completely the same, and there may be some deviations. Therefore, the same relationship between the above-mentioned features as long as the above-mentioned conditions are substantially satisfied. That is, all belong to the protection scope of the present disclosure.
  • the above-mentioned sameness may be the same as allowed within the allowable error range.
  • the embodiments of the present disclosure also provide a display panel, including a counter substrate and a display substrate that are arranged oppositely, and a liquid crystal layer encapsulated between the counter substrate and the display substrate.
  • the display substrate is an implementation of the present disclosure. Examples of any of the above-mentioned display substrates are provided.
  • the problem-solving principle of the display panel is similar to that of the aforementioned display substrate. Therefore, the implementation of the display panel can refer to the implementation of the aforementioned display substrate, and the repetitive points will not be repeated here.
  • embodiments of the present disclosure also provide a display device, including the above-mentioned display panel provided by the embodiments of the present disclosure.
  • the principle of the display device to solve the problem is similar to that of the aforementioned display panel. Therefore, the implementation of the display device can refer to the implementation of the aforementioned display panel, and the repetitive points will not be repeated here.
  • the display device may be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
  • a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
  • Other indispensable components of the display device are understood by those of ordinary skill in the art, and will not be repeated here, nor should they be used as a limitation to the present disclosure.
  • the orthographic projection of the data line on the base substrate faces the electrically connected sub-pixels.
  • a plurality of first concavo-convex structures are provided on one side of the orthographic projection of the base substrate. In this way, the distance between the data line and the electrically connected sub-pixel is increased in the recess in the first concave-convex structure, and the coupling capacitance between the data line and the electrically connected sub-pixel can be reduced, so that the data line can be electrically connected to each other.
  • the coupling capacitance between the sub-pixels and the coupling capacitance between the data line and the adjacent sub-pixels that are not electrically connected are as close as possible, thereby reducing the coupling capacitance between the data line and the electrically connected sub-pixels and the data line
  • the difference between the coupling capacitors and the adjacent sub-pixels that are not electrically connected improves the uniformity of the screen display.

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Abstract

一种显示基板、显示面板及显示装置，由于像素电极（110R，110G，110B）和数据线（D1，D2，D3）之间的距离与耦合电容的大小成反比，通过将数据线（D1，D2，D3）在衬底基板（100）的正投影朝向电连接的子像素（spx）在衬底基板（100）的正投影的一侧具有多个第一凹凸结构（130），使得数据线（D1，D2，D3）与电连接的子像素（spx）之间的距离在第一凹凸结构（130）中的凹陷处增加，可以使数据线（D1，D2，D3）与电连接的子像素（spx）之间的耦合电容（Cpd1'）降低，从而可以使数据线（D1，D2，D3）与电连接的子像素（spx）之间的耦合电容（Cpd1'）和数据线（D1，D2，D3）与未电连接的紧邻子像素（spx）之间的耦合电容（Cpd2）尽可能接近，进而可以减小数据线（D1，D2，D3）与电连接的子像素（spx）之间的耦合电容（Cpd1'）和数据线（D1，D2，D3）与未电连接的紧邻子像素（spx）之间的耦合电容（Cpd2）之间的差值（ΔCpd'），提高画面显示的均匀性。

Description

显示基板、显示面板及显示装置
相关申请的交叉引用
本公开要求在2020年05月06日提交中国专利局、申请号为202010372827.0、申请名称为“一种阵列基板、显示面板及显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及显示技术领域，特别涉及一种显示基板、显示面板及显示装置。
背景技术
随着显示技术的飞速发展，薄膜晶体管液晶显示器(Thin Film Transistor-Liquid Crystal Display，简称TFT-LCD)，具有重量轻、体积小、功耗低、无辐射、显示分辨率高等优点，逐渐成为主流产品。由于TFT-LCD生产制作工艺的限制，导致数据线与像素电极之间的耦合电容对画面品质有很大影响。
发明内容
本公开实施例提供了一种显示基板，包括：
衬底基板，具有显示区；
多个子像素，阵列排布且位于所述衬底基板的显示区；
多条数据线，位于所述衬底基板的显示区，所述数据线沿所述子像素的列方向延伸，一列子像素对应电连接至少一条所述数据线，针对至少一条所述数据线，所述数据线在所述衬底基板的正投影朝向电连接的子像素在所述衬底基板的正投影的一侧具有多个第一凹凸结构。
可选地，在本公开实施例中，所述数据线在所述衬底基板的正投影背离 电连接的子像素在所述衬底基板的正投影的一侧具有多个第二凹凸结构。
可选地，在本公开实施例中，针对同一所述数据线，所述第一凹凸结构的凸起和所述第二凹凸结构的凸起对应设置，且所述第一凹凸结构的凹陷和所述第二凹凸结构的凹陷对应设置。
可选地，在本公开实施例中，针对同一所述数据线，所述第一凹凸结构的凸起和所述第二凹凸结构的凹陷对应设置，且所述第一凹凸结构的凹陷和所述第二凹凸结构的凸起对应设置。
可选地，在本公开实施例中，所述第一凹凸结构和所述第二凹凸结构中的至少一个与所述数据线一体成形。
可选地，在本公开实施例中，同一所述数据线中，所述多个第一凹凸结构中相邻两个凹陷的中心在所述衬底基板的正投影之间的距离相同；
同一所述数据线中，所述多个第二凹凸结构中相邻两个凹陷的中心在所述衬底基板的正投影之间的距离相同。
可选地，在本公开实施例中，所述第一凹凸结构和所述第二凹凸结构中的至少一个在所述衬底基板的正投影的形状包括：城墙状、鱼骨状、锯齿状以及波浪状。
可选地，在本公开实施例中，所述多个第二凹凸结构在所述衬底基板的正投影与所述多个第一凹凸结构在所述衬底基板的正投影的形状相同。
另一方面，本公开实施例还提供了一种显示面板，包括相对设置的显示基板和对向基板，以及封装于所述显示基板和所述对向基板之间的液晶层；所述显示基板为本公开实施例提供的上述显示基板。
另一方面，本公开实施例还提供了一种显示装置，包括本公开实施例提供的上述显示面板。
附图说明
图1为相关技术中显示基板的具体结构示意图；
图2为本公开实施例提供的显示基板的结构示意图；
图3为本公开实施例提供的显示基板的一些具体结构示意图；
图4为本公开实施例提供的显示基板的另一些具体结构示意图；
图5为本公开实施例提供的显示基板的一些数据线的结构示意图。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例的附图，对本公开实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。并且在不冲突的情况下，本公开中的实施例及实施例中的特征可以相互组合。基于所描述的本公开的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本公开保护的范围。
除非另外定义，本公开使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。
需要注意的是，附图中各图形的尺寸和形状不反映真实比例，目的只是示意说明本公开内容。并且自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。
TFT-LCD的主体结构包括对盒的显示基板和对向基板，显示基板上形成有栅线、数据线以及以矩阵方式排列的薄膜晶体管和像素电极，栅线上施加的控制信号使数据线上的信号电压传送到像素电极上，通过控制液晶的偏转实现显示所需画面。
随着TFT-LCD的分辨率越来越高，以及公共电极线VCOM的过孔KVC的设置，这样使得TFT-LCD中数据线两侧的像素电极不能达到对称设计，从 而导致数据线与两侧的像素电极的耦合电容不同。如图1所示，像素电极110-R通过对应的薄膜晶体管与数据线D1电连接，像素电极110-B通过对应的薄膜晶体管与数据线D2电连接，像素电极110-G通过对应的薄膜晶体管与数据线D3电连接。像素电极110-R与像素电极110-B不能达到对称设计，像素电极110-B与像素电极110-G不能达到对称设计。以数据线D1为例，这样使得数据线D1与像素电极110-R之间的耦合电容Cpd1大于数据线D1与像素电极110-B之间的耦合电容Cpd2。当数据线D1进行数据信号的极性切换时，会对像素电极110-R和像素电极110-B的电压产生拉动。若显示面板采用列翻转模式驱动时，对像素电极110-R和像素电极110-B的电压产生不同的拉动，从而导致变亮或变暗，造成画面显示不均匀。
有鉴于此，本公开实施例提供了一种显示基板，如图2至图5所示，可以包括：衬底基板100，位于衬底基板100的显示区AA的多个子像素spx、多条数据线以及多条栅线；其中，一列子像素spx对应电连接至少一条数据线；一行子像素spx对应电连接至少一条栅线GA；并且，数据线沿子像素spx的列方向延伸，栅线沿子像素spx的行方向延伸。示例性地，一列子像素spx对应电连接一条数据线，一行子像素spx对应电连接一条栅线GA。并且，各子像素spx中包括像素电极110和薄膜晶体管120；其中，薄膜晶体管120的栅极与对应的栅线GA电连接，薄膜晶体管120的源极与对应的数据线电连接，薄膜晶体管120的漏极与像素电极110电连接。并且，针对至少一条数据线，数据线在衬底基板100的正投影朝向电连接的子像素spx在衬底基板100的正投影的一侧具有多个第一凹凸结构130。
具体地，在本公开实施例提供的上述显示基板中，由于像素电极110和数据线之间的距离与耦合电容的大小成反比，通过将数据线在衬底基板100的正投影朝向电连接的子像素spx在衬底基板100的正投影的一侧设置为具有多个第一凹凸结构130。这样使得数据线与电连接的子像素spx之间的距离在第一凹凸结构130中的凹陷处增加，可以使数据线与电连接的子像素spx之间的耦合电容降低，从而可以使数据线与电连接的子像素spx之间的耦合电容和 该数据线与未电连接的紧邻子像素spx之间的耦合电容尽可能接近，进而可以减小数据线与电连接的子像素spx之间的耦合电容和该数据线与未电连接的紧邻子像素spx之间的耦合电容之间的差值，提高画面显示的均匀性。
在一些示例中，显示基板可以包括多个像素单元，各像素单元可以包括多个子像素spx。示例性地，像素单元可以包括红色子像素spx，绿色子像素spx以及蓝色子像素spx，这样可以通过红绿蓝进行混色，以实现彩色显示。或者，像素单元也可以包括红色子像素spx，绿色子像素spx、蓝色子像素spx以及白色子像素spx，这样可以通过红绿蓝白进行混色，以实现彩色显示。当然，在实际应用中，像素单元中的子像素spx的发光颜色可以根据实际应用环境来设计确定，在此不作限定。
示例性地，如图3所示，像素单元可以包括红色子像素spx，绿色子像素spx以及蓝色子像素spx。其中，红色子像素spx可以包括像素电极110-R，绿色子像素spx可以包括像素电极110-G，蓝色子像素spx可以包括像素电极110-B。并且，像素电极110-R通过薄膜晶体管120与数据线D1电连接，像素电极110-G通过薄膜晶体管120与数据线D3电连接，像素电极110-B通过薄膜晶体管120与数据线D2电连接。以数据线D1为例，由于数据线D1朝向像素电极110-R的一侧具有多个第一凹凸结构130，这样使得数据线D1与像素电极110-R之间的耦合电容Cpd1’降低，即Cpd1’<Cpd1。因此，Cpd1’与Cpd2的差值ΔCpd’可以降低。则根据公式：
Figure PCTCN2021076818-appb-000001
可知数据线D1对像素电极110-R和像素电极110-B的电压拉动差值ΔV也会减小。Cst代表像素电极的存储电容，Clc代表液晶电容。
可选地，在具体实施时，在本公开实施例中，如图4与图5所示，数据线在衬底基板100的正投影背离电连接的子像素spx在衬底基板100的正投影的一侧可以具有多个第二凹凸结构140。示例性地，以数据线D1为例，这样可以使数据线D1朝向像素电极110-R的一侧具有多个第一凹凸结构130，以及使数据线D1朝向像素电极110-B的一侧具有多个第二凹凸结构140，从而 可以使数据线D1与像素电极110-R之间的耦合电容Cpd1’降低，以及使数据线D1与像素电极110-B之间的耦合电容Cpd2’也降低，进而可以使Cpd1’与Cpd2’的差值ΔCpd”可以降低。则根据公式：
Figure PCTCN2021076818-appb-000002
可知数据线D1对像素电极110-R和像素电极110-B的电压拉动差值ΔV也会减小。
可选地，在具体实施时，在本公开实施例中，如图4所示，针对同一数据线，第一凹凸结构130的凸起和第二凹凸结构140的凸起可以对应设置，且第一凹凸结构130的凹陷和第二凹凸结构140的凹陷可以对应设置。示例性地，以数据线D1为例，第一凹凸结构130的凸起和第二凹凸结构140的凸起对应设置指的可以是：第一凹凸结构130的凸起沿数据线的延伸方向间隔排列且两个凸起之间设置一个凹陷，第二凹凸结构140的凸起沿数据线的延伸方向间隔排列且两个凸起之间设置一个凹陷；并且，第一凹凸结构130的凸起和第二凹凸结构140的凸起沿子像素spx的行方向大致延伸于一条直线上。
或者，可选地，在具体实施时，在本公开实施例中，如图5所示，针对同一数据线，第一凹凸结构130的凸起和第二凹凸结构140的凹陷可以对应设置，且第一凹凸结构130的凹陷和第二凹凸结构140的凸起可以对应设置。示例性地，以数据线D1为例，第一凹凸结构130的凸起和第二凹凸结构140的凸起对应设置指的可以是；第一凹凸结构130的凸起沿数据线的延伸方向间隔排列且两个凸起之间设置一个凹陷，第二凹凸结构140的凸起沿数据线的延伸方向间隔排列且两个凸起之间设置一个凹陷；并且，第一凹凸结构130的凸起和第二凹凸结构140的凹陷沿子像素spx的行方向大致延伸于一条直线上，第一凹凸结构130的凹陷和第二凹凸结构140的凸起沿子像素spx的行方向大致延伸于一条直线上。
可选地，在具体实施时，在本公开实施例中，如图3至图5所示，第一凹凸结构130和第二凹凸结构140中的至少一个可以与数据线一体成形。示例性地，各第一凹凸结构130和各第二凹凸结构140均与数据线一体成形。 这样可以采用同一构图工艺形成各第一凹凸结构130、各第二凹凸结构140以及数据线的图案，降低工艺流程步骤。
可选地，在具体实施时，在本公开实施例中，如图5所示，同一数据线中，多个第一凹凸结构130中相邻两个凹陷的中心在衬底基板100的正投影之间的距离W1大致相同。并且，同一数据线中，多个第二凹凸结构140中相邻两个凹陷的中心在衬底基板100的正投影之间的距离W2大致相同。进一步地，可以使第一凹凸结构130中相邻两个凹陷的中心在衬底基板100的正投影之间的距离W1与第二凹凸结构140中相邻两个凹陷的中心在衬底基板100的正投影之间的距离W2大致相同。
可选地，在具体实施时，在本公开实施例中，第一凹凸结构130和第二凹凸结构140中的至少一个在衬底基板100的正投影的形状可以包括：城墙状、鱼骨状、锯齿状以及波浪状。示例性地，如图3与图5所示，可以使第一凹凸结构130和第二凹凸结构140在衬底基板100的正投影的形状为城墙状。如图4所示，也可以使第一凹凸结构130和第二凹凸结构140在衬底基板100的正投影的形状为鱼骨状。当然，在实际应用中，第一凹凸结构130和第二凹凸结构140在衬底基板100的正投影的形状的具体实施方式，可以根据实际应用的需求进行设计确定，在此不作限定。
在具体实施时，在本公开实施例中，多个第二凹凸结构140在衬底基板100的正投影与多个第一凹凸结构130在衬底基板100的正投影的形状可以相同。示例性地，如图5所示，可以使第一凹凸结构130和第二凹凸结构140在衬底基板100的正投影的形状均为城墙状。如图4所示，也可以使第一凹凸结构130和第二凹凸结构140在衬底基板100的正投影的形状均为鱼骨状。
需要说明的是，在实际工艺中，由于工艺条件的限制或其他因素，上述各特征中的相同并不能完全相同，可能会有一些偏差，因此上述各特征之间的相同关系只要大致满足上述条件即可，均属于本公开的保护范围。例如，上述相同可以是在误差允许范围之内所允许的相同。
基于同一发明构思，本公开实施例还提供了一种显示面板，包括相对设 置的对向基板和显示基板，以及封装于对向基板与显示基板之间的液晶层，该显示基板为本公开实施例提供的上述任一种显示基板。该显示面板解决问题的原理与前述显示基板相似，因此该显示面板的实施可以参见前述显示基板的实施，重复之处在此不再赘述。
基于同一发明构思，本公开实施例还提供了一种显示装置，包括本公开实施例提供的上述显示面板。该显示装置解决问题的原理与前述显示面板相似，因此该显示装置的实施可以参见前述显示面板的实施，重复之处在此不再赘述。
在具体实施时，在本公开实施例中，显示装置可以为：手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。对于该显示装置的其它必不可少的组成部分均为本领域的普通技术人员应该理解具有的，在此不做赘述，也不应作为对本公开的限制。
本公开实施例提供的显示基板、显示面板及显示装置，由于像素电极和数据线之间的距离与耦合电容的大小成反比，通过将数据线在衬底基板的正投影朝向电连接的子像素在衬底基板的正投影的一侧具有多个第一凹凸结构。这样使得数据线与电连接的子像素之间的距离在第一凹凸结构中的凹陷处增加，可以使数据线与电连接的子像素之间的耦合电容降低，从而可以使数据线与电连接的子像素之间的耦合电容和该数据线与未电连接的紧邻子像素之间的耦合电容尽可能接近，进而可以减小数据线与电连接的子像素之间的耦合电容和该数据线与未电连接的紧邻子像素之间的耦合电容之间的差值，提高画面显示的均匀性。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (10)

  1. 一种显示基板，其中，包括：
    衬底基板，具有显示区；
    多个子像素，阵列排布且位于所述衬底基板的显示区；
    多条数据线，位于所述衬底基板的显示区，所述数据线沿所述子像素的列方向延伸，一列子像素对应电连接至少一条所述数据线，针对至少一条所述数据线，所述数据线在所述衬底基板的正投影朝向电连接的子像素在所述衬底基板的正投影的一侧具有多个第一凹凸结构。
  2. 如权利要求1所述的显示基板，其中，所述数据线在所述衬底基板的正投影背离电连接的子像素在所述衬底基板的正投影的一侧具有多个第二凹凸结构。
  3. 如权利要求2所述的显示基板，其中，针对同一所述数据线，所述第一凹凸结构的凸起和所述第二凹凸结构的凸起对应设置，且所述第一凹凸结构的凹陷和所述第二凹凸结构的凹陷对应设置。
  4. 如权利要求2所述的显示基板，其中，针对同一所述数据线，所述第一凹凸结构的凸起和所述第二凹凸结构的凹陷对应设置，且所述第一凹凸结构的凹陷和所述第二凹凸结构的凸起对应设置。
  5. 如权利要求2-4任一项所述的显示基板，其中，所述第一凹凸结构和所述第二凹凸结构中的至少一个与所述数据线一体成形。
  6. 如权利要求2-4任一项所述的显示基板，其中，同一所述数据线中，所述多个第一凹凸结构中相邻两个凹陷的中心在所述衬底基板的正投影之间的距离相同；
    同一所述数据线中，所述多个第二凹凸结构中相邻两个凹陷的中心在所述衬底基板的正投影之间的距离相同。
  7. 如权利要求6所述的显示基板，其中，所述第一凹凸结构和所述第二凹凸结构中的至少一个在所述衬底基板的正投影的形状包括：城墙状、鱼骨 状、锯齿状以及波浪状。
  8. 如权利要求7所述的显示基板，其中，所述多个第二凹凸结构在所述衬底基板的正投影与所述多个第一凹凸结构在所述衬底基板的正投影的形状相同。
  9. 一种显示面板，其中，包括相对设置的显示基板和对向基板，以及封装于所述显示基板和所述对向基板之间的液晶层；
    所述显示基板为如权利要求1-8任一项所述的显示基板。
  10. 一种显示装置，其中，包括如权利要求9所述的显示面板。
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