WO2018196326A1 - 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
WO2018196326A1
WO2018196326A1 PCT/CN2017/109884 CN2017109884W WO2018196326A1 WO 2018196326 A1 WO2018196326 A1 WO 2018196326A1 CN 2017109884 W CN2017109884 W CN 2017109884W WO 2018196326 A1 WO2018196326 A1 WO 2018196326A1
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WIPO (PCT)
Prior art keywords
hollow
substrate
units
unit
routing structure
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PCT/CN2017/109884
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English (en)
French (fr)
Inventor
王本莲
王丽
陈义鹏
左岳平
刘政
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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 US15/779,680 priority Critical patent/US11226526B2/en
Publication of WO2018196326A1 publication Critical patent/WO2018196326A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • 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
    • G02F1/136295—Materials; Compositions; Manufacture processes
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/122—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode having a particular pattern

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 alleviate or solve one of the technical problems existing in the prior art, and provides a trace structure, a display substrate, and a display device that are not easily broken.
  • the routing structure comprises a plurality of concatenated hollow cells, each of the hollow cells comprising a hollowed out area and a non-hollowed area; wherein any two adjacent non-hollowed areas of the hollowed out unit at least partially overlap There is no overlap in the hollowed out area.
  • the hollow unit of the routing structure further includes at least one bridge, the bridge being in a hollowed out area of the hollow unit and connected to a non-hollowed area of the hollow unit.
  • the shape of the outline of the hollow unit is an approximately rectangular shape, wherein a non-hollow area corresponding to the long side of the rectangle of any two adjacent hollow units is partially overlapped.
  • the shape of the outline of the hollow unit is approximately rectangular, wherein The non-hollowed regions corresponding to the short sides of the rectangle of any two adjacent hollow cells are partially overlapped.
  • the shape of the outline of the hollow unit is an approximately rectangular shape, and the non-hollow area corresponding to the long side of the rectangle of one of the two adjacent hollow units is the same as the other The non-hollow regions corresponding to the short sides of the rectangle are superposed.
  • the shape of the edge of the hollow unit is a D-shape, wherein any two adjacent ones of the hollow units are centrally symmetric with each other.
  • the material of the hollow unit comprises a metal.
  • Another embodiment of the present disclosure provides a display substrate including a substrate, and a trace structure disposed on the substrate as described in any of the foregoing embodiments.
  • the substrate comprises a flexible substrate.
  • Yet another embodiment of the present disclosure provides a display device including the above display substrate.
  • the trace structure in the embodiment of the present disclosure includes a plurality of tandem hollow cells
  • the trace structure of the structure is in the process of bending, stretching, and twisting compared with the conventional straight trace structure.
  • the stress release can be performed by the hollow unit 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 non-hollow regions of any two adjacent hollow cells in the embodiment of the present disclosure at least partially overlap, that is, the area of the connection position between the two hollow cells is large, so that the wire structure can be effectively avoided.
  • the joints of the two hollowing units are broken, thereby ensuring the yield of the wiring structure.
  • the flexible substrate since the flexible substrate itself is susceptible to bending, the use of the wiring structure in the present disclosure can greatly improve the yield of the flexible substrate.
  • FIG. 1 is a schematic diagram of two adjacent hollow units in a routing structure according to an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of two adjacent hollow units in a routing structure according to another embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of two adjacent hollow units in a routing structure according to another embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of two adjacent hollow units in a routing structure according to still another embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a routing structure including a plurality of serially connected hollow units 1, each of the hollowed out units 1 including a hollowed out area 11 and a non-hollowed area 10; any two The non-hollowed regions 10 of the adjacent hollowed out units 1 at least partially overlap, and the hollowed out regions 11 do not overlap.
  • the non-hollowed regions 10 at least partially overlapping between any two adjacent hollow cells 1 may be formed in the same layer at the time of preparation, that is, the two hollow cells 1 are disposed in the same layer ( Direct contact), of course, the two hollow units 1 can also be arranged in two layers, in which case an insulating layer needs to be provided between the layers of the two hollow units 1 in the preparation, and then in the insulating layer The locations where the connections are made form vias so that they can be electrically connected through the vias.
  • the routing structure in the embodiment of the present disclosure includes a plurality of hollowed-out units 1 connected in series, and therefore, the routing structure according to the embodiment of the present disclosure is in the process of bending, stretching, and twisting as compared with the linear routing structure.
  • the stress relief of the hollowed out region 11 of the hollowed out unit 1 can be performed to avoid breakage of the trace structure and failure of the device on the substrate to which the trace structure is applied.
  • the non-hollowed regions 10 of any two adjacent hollowed out units 1 at least partially overlap, that is, the area of the connection position between the two hollowed out units 1 is large, so that it can be effectively avoided.
  • the routing structure breaks at the connection position of the two hollowing units 1 during the bending, stretching and twisting process, thereby ensuring the yield of the routing structure.
  • the use of the wiring structure in the present disclosure can greatly improve the yield of the flexible substrate.
  • the outline of each of the hollowed out units 1 is approximately rectangular, i.e., the shape of the overall outline of the non-hollowed area 11 of the hollowed out unit 1 surrounding the hollowed out region 10 is approximated. rectangle.
  • the outline shape of the non-hollowed area 11 may be a rectangle, and may be other figures, which is not limited in the present disclosure.
  • the contour shape of the non-hollow region 10 of the hollow unit 1 is approximately rectangular, the outside of the non-hollow region 10
  • the edge includes two long sides and two short sides, the two long sides are the first side and the second side, respectively; the two short sides are the third side and the fourth side, respectively.
  • the first side of the non-hollowed area 10 of one of the two adjacent hollowed out units 1 is at least partially overlapped with the second side of the non-hollowed area 10 of the other.
  • the third side of the non-hollowed area 10 of one of the two adjacent hollowed out units 1 at least partially overlaps the fourth side of the non-hollowed area 10 of the other Settings.
  • the first side of the non-hollowed area 10 of one of the two adjacent hollowed out units 1 and the third side or the fourth of the non-hollowed area 10 of the other The edges at least partially overlap; similarly, the second side of the non-hollowed region 10 of one of the two adjacent hollowed out units 1 may be at least partially with the third or fourth side of the non-hollowed region 10 of the other overlapping.
  • the shape of the outline of each of the hollow units 1 in the routing structure is a D-shape, and any two adjacent ones of the hollow units 1 are mutually symmetrical.
  • the symmetry center of the two is the center point of the connection position of the two.
  • the contour shape of the hollow unit 1 in the embodiment of the present disclosure is not limited to the above-mentioned approximate rectangle and D shape, and may be other shapes such as a circle, a hexagon, or the like, as long as the adjacent hollow is satisfied.
  • the non-hollow area of the unit may at least partially overlap.
  • the hollow unit 1 in the routing structure in this embodiment may further include at least one bridging portion 2, which is in the hollow area of the hollow unit, and Connect to non-hollow areas.
  • the first end and the second end of the bridge 2 are respectively connected between different positions of the inner edge of the non-hollowed region 10 of the hollow unit 1. In this way, the yield of the trace structure can be effectively enhanced.
  • the material of the hollow unit in the embodiment of the present disclosure may include metal, so that the wiring structure can be ensured to have good electrical conductivity.
  • metal such as aluminum, copper, copper, etc.
  • other conductive materials can also be used. Materials are not listed here.
  • Another embodiment of the present disclosure provides a display substrate including a substrate and a trace structure disposed on the substrate, the trace structure being a trace structure as 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 in the embodiment of the present disclosure includes a plurality of hollow cells connected in series, the trace structure can be released by the hollow unit during the bending, stretching, and twisting process of the display substrate to avoid occurrence. Breaking causes the device on the substrate to which the trace structure is applied to fail. Especially for the flexible substrate, since the flexible substrate itself is susceptible to bending, 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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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

一种走线结构、显示基板及显示装置，走线结构包括多个串接的镂空单元（1），每个镂空单元（1）包括镂空区域（11）和非镂空区域（10）。任意两相邻的镂空单元（1）的非镂空区域（10）至少部分重叠，镂空区域（11）无重叠。在发生弯折、拉伸、扭曲过程中，可以通过镂空单元（1）的镂空区域（11）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。两个镂空单元（1）之间的连接位置的面积较大，可以有效的避免在两个镂空单元（1）的连接位置发生断裂，保证了走线结构的良率。

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日向中国专利局提交的专利申请201710297270.7的优先权利益，并且在此通过引用的方式将该在先申请的内容并入本文。
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使用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。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(其断裂应变走线的比率约1％)，造成显示器件失效。
公开内容
本公开旨在至少缓解或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。
根据本发明实施提供规定走线结构包括多个串接的镂空单元，每个所述镂空单元包括镂空区域和非镂空区域；其中，任意两相邻的所述镂空单元的非镂空区域至少部分重叠，镂空区域无重叠。
在一些实施例中，所述走线结构的镂空单元还包括至少一个桥接部，所述桥接部处于所述镂空单元的镂空区域内，并与所述镂空单元的非镂空区域连接。
在一些实施例中，所述镂空单元的轮廓的形状为近似矩形，其中，任意两相邻的所述镂空单元的与所述矩形长边对应的非镂空区域部分叠置。
在一些实施例中，所述镂空单元的轮廓的形状为近似矩形，其中， 任意两相邻的所述镂空单元的与所述矩形的短边对应的非镂空区域部分叠置。
在一些实施例中，所述镂空单元的轮廓的形状为近似矩形，任意两相邻的所述镂空单元中的一者的与所述矩形的长边对应的非镂空区域与另一者与所述矩形的短边对应的非镂空区域叠置。
在一些实施例中，所述镂空单元的边缘的形状为D字形，其中，任意两相邻的所述镂空单元互为中心对称图形。
在一些实施例中，所述镂空单元的材料包括金属。
本公开的另一实施例提供了一种显示基板，其包括基底，以及设置在所述基底上的如前述实施例中任一实施所述的走线结构。
在一些实施例中，所述基底包括柔性基底。
本公开的又一实施例提供了一种显示装置，其包括上述的显示基板。
由于本公开实施例中的走线结构包括多个串联的镂空单元，因此，与常规的直线型的走线结构相比，该种结构的走线结构在发生弯折、拉伸、扭曲过程中，可以通过的镂空单元进行应力释放，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，本公开实施例中任意两相邻的所述镂空单元的非镂空区域至少部分重叠，也即两个镂空单元之间的连接位置的面积较大，从而可以有效的避免在的走线结构在发生弯折、拉伸、扭曲过程中在两个镂空单元的连接位置发生断裂，进而保证了走线结构的良率。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为根据本公开的一个实施例的走线结构中相邻的两个镂空单元的示意图；
图2为根据本公开的另一实施例的走线结构中相邻的两个镂空单元的示意图；
图3为根据本公开的另一实施例的走线结构中相邻的两个镂空单元的示意图；
图4为根据本公开的又一实施例的的走线结构中相邻的两个镂空 单元的的示意图；
图5为根据本公开的再一实施例的走线结构中相邻的两个镂空单元的的示意图。
具体实施方式
为使本领域技术人员更好地理解本公开的技术方案，下面结合附图和示例对本公开作进一步详细描述。
结合图1-4所示，本公开的实施例提供一种走线结构，其包括多个串接的镂空单元1，每个所述镂空单元1包括镂空区域11和非镂空区域10；任意两相邻的所述镂空单元1的非镂空区域10至少部分重叠，镂空区域11无重叠。
在一些实施例中，任意两相邻的所述镂空单元1之间至少部分重叠的非镂空区域10可以是在制备时形成在同一层，也即这两个镂空单元1是同层设置的(直接接触)，当然这两个镂空单元1也可以是分两层设置，该种情况在制备时则需要在这两个镂空单元1所在层之间设置绝缘层，之后在绝缘层中与这两者连接的位置形成过孔，以便二者可以通过过孔而电连接。
本公开实施例中的走线结构包括多个串联的镂空单元1，因此，与直线型的走线结构相比，根据本公开实施例的走线结构在发生弯折、拉伸、扭曲过程中，可以通过的镂空单元1的镂空区域11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，在本实施例中，任意两相邻的所述镂空单元1的非镂空区域10至少部分重叠，也即两个镂空单元1之间的连接位置的面积较大，从而可以有效的避免在的走线结构在发生弯折、拉伸、扭曲过程中在两个镂空单元1的连接位置发生断裂，进而保证了走线结构的良率。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，采用本公开中的走线结构，可大大提高柔性基板的良率。
在一些实施例中，如图1-3所示，走线结构中的每一个镂空单元1的轮廓近似矩形，也即镂空单元1的围绕镂空区域10的非镂空区域11的整体轮廓的形状近似矩形。然而，非镂空区域11的轮廓形状可以为矩形，，亦可以为其他图形，本公开对此不作限制。在镂空单元1的非镂空区域10的轮廓形状为近似矩形的示例中，非镂空区域10的外 边缘包括两条长边和两条短边，两条长边分别为第一边和第二边；两条短边分别为第三边和第四边。下面给出关于相邻的镂空单元之间的连接方式的一些示例。
在如图1所示的示例中，任意两相邻的所述镂空单元1中一者的非镂空区域10的第一边与另一者的非镂空区域10的第二边至少部分重叠设置。
在另一示例中，如图2所示，任意两相邻的所述镂空单元1中一者的非镂空区域10的第三边与另一者的非镂空区域10的第四边至少部分重叠设置。
在另一示例中，如图3所示，任意两相邻的所述镂空单元1中一者的非镂空区域10的第一边与另一者的非镂空区域10的第三边或者第四边至少部分重叠；类似地，任意两相邻的所述镂空单元1中一者的非镂空区域10的第二边可以与另一者的非镂空区域10的第三边或者第四边至少部分重叠。
根据本公开的另外的实施例，如图4所示，走线结构中的每一个镂空单元1的轮廓的形状为D字形形，任意两相邻的所述镂空单元1为互为中心对称图形，这二者的对称中心为这两者的连接位置的中心点。
在此需要说明的是，本公开实施例中的镂空单元1的轮廓形状也不局限于上述的近似矩形和D字形，还可以是圆形、六边形等其他形状，只要满足相邻的镂空单元的非镂空区域至少部分重叠这一条件即可。这样，即使在走线结构发生弯折、拉伸、扭曲过程中，有一个连接点断裂，也可以通过其余位置的连接保证走线结构的正常连通，进一步防止器件的失效。
根据本公开的另外的实施例，如图5所示，本实施例中的走线结构中的镂空单元1还可以包括至少一个桥接部2，该桥接部2处于镂空单元的镂空区域内，并与非镂空区域连接。在图5的示例中，该桥接部2的第一端和第二端分别连接在所述镂空单元1的非镂空区域10的内边缘的不同的位置之间。以该种方式设置，可以有效增强走线结构的良率。
本公开的实施例中的镂空单元的材料可包括金属，这样，可以保证走线结构具有良好的导电性。当然，也可以采用其他具有导电性的 材料，在此不再一一列举。
本公开的另一实施例提供一种显示基板，其包括基底和设置在基底上的走线结构，该走线结构可以是如前述实施例中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。
由于本公开实施例中显示基板中的走线结构包括多个串联的镂空单元，因此显示基板在发生弯折、拉伸、扭曲过程中，走线结构可以通过镂空单元进行应力释放，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。
本公开的又一实施例提供了一种显示装置，其包括前述实施例所述显示基板。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，以上实施例仅仅是为了说明本发明的原理而采用的示例性实施方式，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 (10)

  1. 一种走线结构，包括多个串接的镂空单元，每个所述镂空单元包括镂空区域和非镂空区域，其中任意两相邻的所述镂空单元的非镂空区域至少部分重叠，镂空区域无重叠。
  2. 根据权利要求1所述的走线结构，其中所述走线结构的镂空单元还包括至少一个桥接部，所述桥接部处于镂空区域内，并与所述镂空单元的非镂空区域连接。
  3. 根据权利要求1所述的走线结构，其中所述镂空单元的轮廓的形状为近似矩形，其中，任意两相邻的所述镂空单元的与所述矩形的长边对应的非镂空区域部分叠置。
  4. 根据权利要求1所述的走线结构，其中所述镂空单元的轮廓的形状为近似矩形，其中，任意两相邻的所述镂空单元的与所述矩形的短边对应的非镂空区域部分叠置。
  5. 根据权利要求1所述的走线结构，其中所述镂空单元的轮廓的形状为近似矩形，其中，任意两相邻的所述镂空单元中的一者的与所述矩形的长边对应的非镂空区域与另一者与所述矩形的短边对应的非镂空区域叠置。
  6. 根据权利要求1所述的走线结构，其中所述镂空单元的轮廓的形状为D字形，其中，任意两相邻的所述镂空单元互为中心对称图形。
  7. 根据权利要求1所述的走线结构，其中所述镂空单元的材料包括金属。
  8. 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1-7中任一项所述走线结构。
  9. 根据权利要求8所述的显示基板，其中所述基底包括柔性基底。
  10. 一种显示装置，其中包括权利要求8或9所述的显示基板。
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