WO2018196324A1 - 走线结构、显示基板及显示装置 - Google Patents

走线结构、显示基板及显示装置 Download PDF

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Publication number
WO2018196324A1
WO2018196324A1 PCT/CN2017/109710 CN2017109710W WO2018196324A1 WO 2018196324 A1 WO2018196324 A1 WO 2018196324A1 CN 2017109710 W CN2017109710 W CN 2017109710W WO 2018196324 A1 WO2018196324 A1 WO 2018196324A1
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Prior art keywords
conductive portion
sub
hollow
pattern
patterns
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PCT/CN2017/109710
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English (en)
French (fr)
Inventor
王本莲
王丽
陈义鹏
左岳平
刘政
Original Assignee
京东方科技集团股份有限公司
成都京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 成都京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/779,664 priority Critical patent/US11127806B2/en
Publication of WO2018196324A1 publication Critical patent/WO2018196324A1/zh
Priority to US17/473,602 priority patent/US20210408214A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/562—Protection against mechanical damage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H01L23/528—Geometry or layout of the interconnection structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/311—Flexible OLED
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present disclosure belongs to the field of display technologies, and in particular, to a trace structure, a display substrate, and a display device.
  • the present disclosure aims to at least solve one of the technical problems existing in the prior art, and provides a wiring structure, a display substrate, and a display device that are not easily broken.
  • the wiring structure provided by the embodiment of the present disclosure includes a plurality of hollow patterns sequentially connected, each hollow pattern including a first conductive portion having a first pattern and a second conductive portion having a second pattern, the first conductive portion and the The second conductive portions are connected to each other, and the shapes of the first pattern and the second pattern are different.
  • the first conductive portion and the second conductive portion of each of the hollow patterns have a first end and a second end, and the first end of the first conductive portion is connected to the first end of the second conductive portion, The second end of the first conductive portion is coupled to the second end of the second conductive portion.
  • the first conductive portion and the second conductive portion are connected to each other to form a closed pattern.
  • one of the hollow patterns The first end of the first conductive portion is connected to the second end of the first conductive portion of the other hollow pattern, and the first end of the second conductive portion of the one hollow pattern is in the other hollow pattern The second section of the second conductive portion is connected.
  • any two adjacent of the hollow patterns are centrally symmetric with each other.
  • the first conductive portion has a polygonal line shape; and the second conductive portion has a circular arc shape.
  • connection node between the first conductive portion and the second conductive portion in each of the hollow patterns is greater than or equal to 3, and the connection lines of the respective connection nodes are not on the same straight line.
  • connection nodes there are three connection nodes between the first conductive portion and the second conductive portion in each of the hollow patterns, and the first conductive portion includes a first sub-conductive portion and The second sub-conductive portion, each of the first sub-conductive portion, the second sub-conductive portion, and the second conductive portion has a first end and a second end.
  • a first end of the first sub-conductive portion is connected to a first end of the second conductive portion; a second end of the first sub-conductive portion is opposite to the second sub-portion a first end of the conductive portion is connected, and a connection node of the first sub-conductive portion and the second sub-conductive portion is connected to a portion between the first end and the second end of the second conductive portion; the second sub-conducting A second end of the portion is coupled to the second end of the second conductive portion.
  • connection node of a first end of the first sub-conducting portion of one of the hollow patterns and a first end of the second conductive portion of the hollow pattern, and another A second end of the second sub-conductive portion of the hollow pattern is connected to a connection node of the second end of the second conductive portion of the other open pattern.
  • connection node of a first end of the first sub-conducting portion and a first end of the second conductive portion, and a second end of the second sub-conducting portion of the other The connection nodes of the second ends of the second conductive portions are connected.
  • each of the first sub-conductive portion, the second sub-conductive portion, and the second conductive portion has a circular arc shape.
  • any two adjacent of the hollow patterns are mutually axisymmetric.
  • each of the plurality of hollow patterns is an integrally formed structure.
  • each of the plurality of hollow patterns is an integrally formed structure.
  • Another embodiment of the present disclosure provides a display substrate including a substrate and a trace structure as described in any of the foregoing embodiments disposed on the substrate.
  • the substrate comprises a flexible substrate.
  • Another embodiment of the present disclosure provides a display device including the display substrate provided by the foregoing embodiments.
  • the routing structure in the present disclosure includes a plurality of sequentially connected hollow patterns
  • the routing structure proposed by the disclosed embodiment is subjected to bending, stretching, and twisting processes as compared with the conventional linear wiring structure.
  • the stress release can be performed by the hollow pattern to avoid the breakage of the trace structure and the failure of the device on the substrate to which the trace structure is applied.
  • the shapes of the first conductive portion and the second conductive portion in each of the hollow patterns are different, so that even in the process of bending, stretching, and twisting of the routing structure, one shape of the conductive portion is broken, and the other is
  • the shaped conductive portion also ensures good electrical conductivity of the trace structure.
  • the flexible substrate since the flexible substrate itself is susceptible to bending, the use of the trace structure in the present disclosure can greatly improve the yield of the flexible substrate.
  • FIG. 1 is a schematic diagram of a trace structure provided by an embodiment of the present disclosure
  • Figure 2 is a schematic view of a hollow pattern in Figure 1;
  • FIG. 3 is a schematic diagram of a trace structure provided by another embodiment of the present disclosure.
  • FIG. 4 is a schematic view of a hollow pattern in FIG.
  • an embodiment of the present disclosure provides a routing structure including a plurality of hollow patterns 1 sequentially connected, each hollow pattern 1 including a first conductive portion 11 having a first pattern and having a first The second conductive portion 12 of the two patterns, the first conductive portion 11 and the second conductive portion 12 are connected to each other, and the shapes of the first pattern and the second pattern are different.
  • the trace structure provided by the embodiment of the present disclosure includes a plurality of sequentially connected hollow patterns 1 , the trace structure provided by the embodiment of the present disclosure is bent and stretched as compared with the conventional straight trace structure. During the twisting process, the stress can be made through the hollow pattern 1 Release to avoid breakage of the trace structure and failure of the device on the substrate to which the trace structure is applied. Moreover, the shapes of the patterns of the first conductive portion 11 and the second conductive portion 12 in each of the hollow patterns 1 are different, so that the conductive portion of one shape even in the case where the wiring structure is bent, stretched, or twisted The fracture, another shape of the conductive portion can also ensure good conductivity of the trace structure. Especially for the flexible substrate, since the flexible substrate itself is susceptible to bending, the use of the routing structure in this embodiment can greatly improve the yield of the flexible substrate.
  • the first conductive portion 11 and the second conductive portion 12 in each of the hollow patterns 1 of the trace structure have a first end and a second end, and the first conductive portion The first end of the first conductive portion 11 is connected to the second end of the second conductive portion 12 . That is, the first conductive portion 11 and the second conductive portion 12 are connected to each other to form a closed hollow pattern 1 having two connection nodes in the hollow pattern 1.
  • the first end of the first conductive portion 11 in one of the hollow patterns is connected to the second end of the first conductive portion in the other open pattern, wherein the first one of the hollow patterns
  • the first end of the second conductive portion 12 is connected to the second end of the second conductive portion of the other hollow pattern. That is to say, in the routing structure, the first conductive portions 11 of any adjacent hollow patterns 1 are connected end to end, and the second conductive portions 12 of any adjacent hollow patterns 1 are connected end to end.
  • all of the first conductive portions 11 in the hollow pattern may be an integrally formed structure, and all of the second conductive portions 12 may be an integrally formed structure.
  • the preparation of the first conductive portion 11 and the second conductive portion 12 can be facilitated, and the production efficiency can be greatly improved.
  • any two adjacent hollow patterns 1 are centrally symmetric patterns centered on the joint nodes of the two.
  • the first conductive portion 11 has a polygonal line shape; and the second conductive portion 12 has a circular arc shape.
  • a plurality of fold-shaped first conductive portions 11 are connected end to end to form a shape similar to a triangular wave, and a plurality of circular arc-shaped second conductive portions 12 are connected end to end to form a shape similar to a sine wave.
  • the example of FIG. 1 can be equivalent to splicing into a single trace structure 1 by using two different shapes of sub-wiring combinations. Therefore, even if one of the sub-lines of the shape is broken, it can still rely on another shape of the sub-walk.
  • the wire is used to realize the connection function to avoid the problem that the wire structure fails due to bending fracture.
  • connection node between the first conductive portion 11 and the second conductive portion 12 in each hollow pattern 1 is greater than or equal to 3, and these connections The nodes are not on the same line.
  • 3 and 4 illustrate an example in which three connection nodes between the first conductive portion 11 and the second conductive portion 12 in each of the hollow patterns 1 are taken as an example.
  • the first conductive portion 11 includes a first sub-conductive portion 111 and a second sub-conductive portion 112, and each of the first sub-conductive portion 111, the second sub-conductive portion 112, and the second conductive portion 12 a first end (ie, a first end and a second end); in each of the hollow patterns, a first end of the first sub-conductive portion 111 is connected to a first end of the second conductive portion 12, The second end of the first sub-conductive portion 111 is connected to the first end of the second sub-conductive portion 112, and the connection node of the first sub-conductive portion 111 and the second sub-conductive portion 112 is connected to the second a portion between the first end and the second end of the conductive portion 12; a second end of the second sub-conductive portion 112 is coupled to the second end of the second conductive portion 12.
  • connection node of the first end of the first sub-conducting portion 111 in one of the hollow patterns and the first end of the second conductive portion 12 in the hollow pattern, and another hollow pattern The second end of the second sub-conductive portion is connected to the connection node of the second end of the second conductive portion of the other hollow pattern.
  • the first sub-conductive portion 111 and the second sub-conductive portion 112 of the first conductive portion 11, and the second conductive portion 12 are all circular arc shapes.
  • any two adjacent hollow patterns 1 are axisymmetric with each other (wherein the axis of symmetry is a connecting node between the adjacent hollow patterns along an extending direction perpendicular to the extending line structure) Straight line).
  • the first conductive portion 11 in each of the hollow patterns in the routing structure is an integrally formed structure
  • each of the second conductive portions 12 is an integrally formed structure.
  • Another embodiment of the present disclosure provides a display substrate including a substrate and disposed at The routing structure on the substrate, the routing structure may be the routing structure described in any of the foregoing embodiments.
  • the display substrate in this embodiment may be a flexible substrate, that is, the material of the substrate used is a flexible material such as polyimide (PI) or the like.
  • PI polyimide
  • the trace structure in the display substrate includes a plurality of hollow patterns in the display substrate, the trace structure can be released by the hollow pattern on the display substrate during the bending, stretching, and twisting process to avoid A break occurs that causes the device on the substrate to which the trace structure is applied to fail.
  • the use of the trace structure in this embodiment can greatly improve the yield of the flexible substrate.
  • the display device may be a liquid crystal display device or an electroluminescence display device, such as a liquid crystal panel, an electronic paper, an OLED panel, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, etc., or any display product or component.
  • a liquid crystal display device or an electroluminescence display device, such as a liquid crystal panel, an electronic paper, an OLED panel, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, etc., or any display product or component.

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Abstract

提供一种走线结构、显示基板及显示装置，属于显示技术领域。走线结构包括依次连接的多个镂空图案（1），每个镂空图案（1）包括具有第一图形的第一导电部（11）和具有第二图形的第二导电部（12），第一导电部（11）和第二导电部（12）相互连接且形状不同。由于走线结构包括多个依次连接的镂空图案（1），每个镂空图案（1）中第一导电部（11）和第二导电部（12）形状不同，所以即使在走线结构发生弯折、拉伸、扭曲过程中一种形状的导电部断裂，另一种形状的导电部还可以保证走线结构的良好导电性。特别对于柔性基板而言，由于柔性基板本身容易发生弯曲的特点，采用该走线结构，可大大提高柔性基板的良率。

Description

走线结构、显示基板及显示装置
相关申请的交叉引用
本申请要求于2017年4月28日递交的中国专利申请No.201710294993.1的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。
技术领域
本公开属于显示技术领域，具体涉及一种走线结构、显示基板及显示装置。
背景技术
为了制造柔性显示装置，目前已开发出了很多由有机材料制成的显示部件，诸如有机发光层、有机钝化层和作为柔性基板的聚合物基板(如PI基板)。然而，很难用有机材料制成的走线来替代显示器中的金属走线，因为有机材料的电导率远不如金属走线高。然而，在柔性显示装置弯曲时，显示面板中的金属走线可能会断裂(其断裂应变走线比率约1％)，造成显示器件失效。
发明内容
本公开旨在至少解决现有技术中存在的技术问题之一，提供一种不易断裂的走线结构、显示基板及显示装置。
本公开的实施例提供的走线结构包括依次连接的多个镂空图案，每个镂空图案包括具有第一图形的第一导电部和具有第二图形的第二导电部，第一导电部和所述第二导电部相互连接，且第一图形和第二图形的形状不同。
在一些实施例中，每个镂空图案中的第一导电部和第二导电部均具有第一端和第二端，第一导电部的第一端与第二导电部的第一端连接，第一导电部的第二端与第二导电部的第二端连接。
在一些实施例中，第一导电部和第二导电部彼此连接形成封闭的图形。
在一些实施例中，对于相邻的两个镂空图案，其中一个镂空图案 中的第一导电部的第一端与另一镂空图案中的第一导电部的第二端相连，所述一个镂空图案中的第二导电部的第一端与所述另一镂空图案中的第二导电部的第二段相连。
在一些实施例中，任意两相邻的所述镂空图案互为中心对称图形。
在一些实施例中，所述第一导电部具有折线形状；所述第二导电部具有圆弧形状。
在一些实施例中，每个所述镂空图案中的所述第一导电部和所述第二导电部之间的连接节点大于等于3，且各个连接节点的连线不在同一条直线上。
特别地，在一些实施例中，每个镂空图案中的所述第一导电部和所述第二导电部之间的连接节点为3个，所述第一导电部包括第一子导电部分和第二子导电部分，所述第一子导电部分、所述第二子导电部分、所述第二导电部中的每个具有第一端和第二端。在每个所述镂空图案中，所述第一子导电部分的第一端与所述第二导电部的第一端连接；所述第一子导电部分的第二端与所述第二子导电部分的第一端连接，且第一子导电部分和第二子导电部分的连接节点连接至所述第二导电部的第一端与第二端之间的部分；所述第二子导电部分的第二端与所述第二导电部的第二端连接。
在一些实施例中，对于任意两相邻的镂空图案，其中一个镂空图案中的第一子导电部分的第一端与该镂空图案中的第二导电部的第一端的连接节点，与另一镂空图案中的第二子导电部分的第二端与该另一镂空图案中的第二导电部的第二端的连接节点相连。中的一者的所述第一子导电部分的第一端与所述第二导电部的第一端的连接节点，与另一者的所述第二子导电部分的第二端与所述第二导电部的第二端的连接节点相连。
在一些实施例中，第一子导电部分、第二子导电部分、第二导电部中的每个具有圆弧形状。
在一些实施例中，任意两相邻的所述镂空图案互为轴对称图形。
在一些实施例中，多个镂空图案中的各第一导电部为一体成型结构。
在一些实施例中，多个镂空图案中的各第二导电部为一体成型结构。
本公开的另一实施例提供了一种显示基板，包括基底以及设置在所述基底上的如前述实施例中任一实施例所述的走线结构。
在一些实施例中，基底包括柔性基底。
本公开的另一实施例提供了一种显示装置，包括前述实施例提供的显示基板。
由于本公开中的走线结构包括多个依次连接的镂空图案，因此，与常规的直线型的走线结构相比，跟公开实施例提出的走线结构在发生弯折、拉伸、扭曲过程中，可以通过的镂空图案进行应力释放，以避免走线结构发生断裂而使得应用该走线结构的基板上的器件失效。而且，每个镂空图案中的第一导电部和第二导电部的形状不同，所以即使在走线结构在发生弯折、拉伸、扭曲过程中，一种形状的导电部断裂，另一种形状的导电部还可以保证走线结构的良好导电性。特别是对于柔性基板而言，由于柔性基板本身容易发生弯曲的特点，采用本公开中的走线结构，可大大提高柔性基板的良率。
附图说明
图1为本公开的一个实施例提供的走线结构的示意图；
图2为图1中的一个镂空图案的示意图；
图3为本公开的另一实施例提供的走线结构的示意图；
图4为图3中的一个镂空图案的示意图。
第一子导电部分第二子导电部分
具体实施方式
为使本领域技术人员更好地理解本公开的各实施例的技术方案，下面结合附图和示例对本公开的实施例作进一步详细描述。
如图1-4所示，本公开的实施例提供一种走线结构，其包括依次连接的多个镂空图案1，每个镂空图案1包括具有第一图形的第一导电部11和具有第二图形的第二导电部12，所述第一导电部11和所述第二导电部12相互连接，且所述第一图形和所述第二图形的形状不同。
由于本公开实施例提供的走线结构包括多个依次连接的镂空图案1，因此，与常规的直线型的走线结构相比，本公开实施例提供的走线结构在发生弯折、拉伸、扭曲过程中，可以通过镂空图案1进行应力 释放，以避免走线结构发生断裂而使得应用该走线结构的基板上的器件失效。而且，每个镂空图案1中的第一导电部11和第二导电部12的图形的形状不同，所以，即使在走线结构发生弯折、拉伸、扭曲的情况下一种形状的导电部断裂，另一种形状的导电部还可以保证走线结构的良好导电性。特别是对于柔性基板而言，由于柔性基板本身容易发生弯曲的特点，采用本实施例中的走线结构，可大大提高柔性基板的良率。
以下结合具体示例对本实施例中的走线结构的具体结构进行说明。
在一个示例中，如图1和图2所示，走线结构的每个镂空图案1中的第一导电部11和第二导电部12均具有第一端和第二端，第一导电部11的第一端与第二导电部12的第一端连接，第一导电部11的第二端与第二导电部12的第二端连接。也即，第一导电部11和第二导电部12彼此连接形成了一个封闭的镂空图案1，镂空图案1中具有两个连接节点。并且，对于相邻的两个镂空图案，其中一个镂空图案中的第一导电部11的第一端与另一镂空图案中的第一导电部的第二端相连，其中一个镂空图案中的第二导电部12的第一端与另一镂空图案中的第二导电部的第二端相连。也就是说，在走线结构中，任何相邻的镂空图案1中的第一导电部11首尾相接，，任何相邻的镂空图案1中的第二导电部12首尾相接。
在一些实施例中，镂空图案中的全部第一导电部11可以为一体成型的结构，全部的第二导电部12可以为一体成型结构。如此，可方便第一导电部11和第二导电部12的制备，可以大大提高生产效率。
进一步的，在一些实施例中，任意两相邻的镂空图案1是以二者的连接节点为中心的中心对称图形。
在图1和图2的示例中，第一导电部11为折线形；第二导电部12为圆弧形。如图1所示，多个折线形的第一导电部11首尾连接可组成类似于三角波的形状，多个圆弧形的第二导电部12首尾相接可组成类似于正弦波的形状，此时，图1的示例可相当于采用两条不同形状的子走线组合拼接成一条走线结构1，因此，即使其中一种形状的子走线断裂，仍可依靠另一种形状的子走线来实现连接功能，以避免走线结构由于弯折断裂而失效的问题。
在另一实施例中，如图3和图4所示，每个镂空图案1中的所述第一导电部11和所述第二导电部12之间的连接节点大于等于3，且这些连接节点不在同一条直线上。图3和图4以每个镂空图案1中的第一导电部11和第二导电部12之间的连接节点为3个为例进行说明。第一导电部11包括第一子导电部分111和第二子导电部分112，所述第一子导电部分111、所述第二子导电部分112、所述第二导电部12中的每个两个端部(即，第一端和第二端)；在每个所述镂空图案中，所述第一子导电部分111的第一端与所述第二导电部12的第一端连接，所述第一子导电部分111的第二端与所述第二子导电部分112的第一端连接，且第一子导电部分111和第二子导电部分112的连接节点连接至所述第二导电部12的第一端与第二端之间的部分；所述第二子导电部分112的第二端与所述第二导电部12的第二端连接。对于任意两相邻的镂空图案1，其中一个镂空图案中的第一子导电部分111的第一端与该镂空图案中的第二导电部12的第一端的连接节点，与另一镂空图案中的第二子导电部分的第二端与该另一镂空图案中的第二导电部的第二端的连接节点相连。
在如图4所示的镂空图案的示例中，第一导电部11的第一子导电部分111和第二子导电部分112，以及第二导电部12均为圆弧形。此时，可以看出的是，在每个镂空图案1中第一导电部11和第二导电部12之间存在三个连接节点，也即图中所示的节点A、B、C，其中，节点A和B处于同于一条直线上，而节点A、B、C是不在同一条直线上的。因此，即使节点A和/或节点B发生断裂，此时节点C由于与节点A、B不在同一条直线上，故其仍然会保持连接，从而避免走线结构失效。
在一些实施例中，任意两相邻的镂空图案1互为轴对称图形(其中，对称轴为沿垂直于所述走线结构的延伸方向、并穿过相邻的镂空图案之间的连接节点的直线)。
进一步的，在一些实施例中，走线结构中的各个镂空图案中的第一导电部11为一体成型结构，各个第二导电部12为一体成型结构。如此，可以方便第一导电部11和第二导电部12的制备，可以大大提高生产效率。
本公开的另一实施例提供了一种显示基板，其包括基底和设置在 基底上的走线结构，该走线结构可以是前述实施例中的任一实施例所述的走线结构。
本实施例中的显示基板可以为柔性基板，也即所采用的基底的材料为柔性材料，例如聚酰亚胺(PI)等。
由于本实施例中显示基板中的走线结构上包括多个镂空图案，因此显示基板在发生弯折、拉伸、扭曲过程中，走线结构可以通过其上的镂空图案进行应力释放，以避免发生断裂而使得应用该走线结构的基板上的器件失效。特别是对于柔性基板而言，由于柔性基板本身容易发生弯曲的性质，采用本实施例中的走线结构，可大大提高柔性基板的良率。
本实施例提供了一种显示装置，其包括上述实施例所述的显示基板。显示装置可以为液晶显示装置或者电致发光显示装置，例如液晶面板、电子纸、OLED面板、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。
可以理解的是，以上所述仅仅是为了说明本发明的原理而采用的示例性实施例，然而本发明并不局限于此。对于本领域内的普通技术人员而言，在不脱离本发明的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本发明的保护范围。

Claims (16)

  1. 一种走线结构，包括依次连接的多个镂空图案，每个所述镂空图案包括具有第一图形的第一导电部和具有第二图形的第二导电部，所述第一导电部和所述第二导电部相互连接，且所述第一图形和所述第二图形的形状不同。
  2. 根据权利要求1所述的走线结构，其中每个镂空图案中的第一导电部和第二导电部均具有第一端和第二端，其中，所述第一导电部的第一端与所述第二导电部的第一端连接，所述第一导电部的第二端与所述第二导电部的第二端连接。
  3. 根据权利要求2所述的走线结构，其中所述第一导电部和第二导电部彼此连接形成封闭的图形。
  4. 根据权利要求2所述的走线结构，其中对于相邻的两个镂空图案，其中一个镂空图案中的第一导电部的第一端与另一镂空图案中的第一导电部的第二端相连，所述一个镂空图案中的第二导电部的第一端与所述另一镂空图案中的第二导电部的第二段相连。
  5. 根据权利要求1-4中任一项所述的走线结构，其中任意两相邻的所述镂空图案互为中心对称图形。
  6. 根据权利要求1-4中任一项所述的走线结构，其中所述第一导电部具有折线形状；所述第二导电部具有圆弧形状。
  7. 根据权利要求1所述的走线结构，其中每个所述镂空图案中的所述第一导电部和所述第二导电部之间的连接节点大于等于3，且各个连接节点的连线不在同一条直线上。
  8. 根据权利要求7所述的走线结构，其中每个镂空图案中的所述第一导电部和所述第二导电部之间的连接节点为3个，所述第一导电部包括第一子导电部分和第二子导电部分，所述第一子导电部分、所述第二子导电部分、所述第二导电部中的每个具有第一端和第二端；
    其中，在每个所述镂空图案中，所述第一子导电部分的第一端与所述第二导电部的第一端连接；所述第一子导电部分的第二端与所述第二子导电部分的第一端连接，且第一子导电部分和第二子导电部分的连接节点连接至所述第二导电部的第一端与第二端之间的部分；所述第二子导电部分的第二端与所述第二导电部的第二端连接。
  9. 根据权利要求8所述的走线结构，其中对于任意两相邻的镂空图案，其中一个镂空图案中的第一子导电部分的第一端与该镂空图案中的第二导电部的第一端的连接节点，与另一镂空图案中的第二子导电部分的第二端与该另一镂空图案中的第二导电部的第二端的连接节点相连。
  10. 根据权利要求9所述走线结构，其中所述第一子导电部分、所述第二子导电部分、所述第二导电部中的每个具有圆弧形状。
  11. 根据权利要求1、7-10中任一项所述的走线结构，其中任意两相邻的所述镂空图案互为轴对称图形。
  12. 根据权利要求1所述的走线结构，其中所述多个镂空图案中的各第一导电部为一体成型结构。
  13. 根据权利要求1所述的走线结构，其中所述多个镂空图案中的各第二导电部为一体成型结构。
  14. 一种显示基板，包括基底，以及设置在所述基底上的如权利要求1-13中任一项所述走线结构。
  15. 根据权利要求14所述的显示基板，其中所述基底包括柔性基底。
  16. 一种显示装置，包括权利要求14或15所述的显示基板。
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