WO2014206000A1 - 显示基板及其制作方法、显示装置 - Google Patents

显示基板及其制作方法、显示装置 Download PDF

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Publication number
WO2014206000A1
WO2014206000A1 PCT/CN2013/088005 CN2013088005W WO2014206000A1 WO 2014206000 A1 WO2014206000 A1 WO 2014206000A1 CN 2013088005 W CN2013088005 W CN 2013088005W WO 2014206000 A1 WO2014206000 A1 WO 2014206000A1
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WIPO (PCT)
Prior art keywords
display substrate
groove
display
sealing glue
sealant
Prior art date
Application number
PCT/CN2013/088005
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English (en)
French (fr)
Inventor
邢红燕
吴昊
尹岩岩
Original Assignee
北京京东方光电科技有限公司
京东方科技集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 北京京东方光电科技有限公司, 京东方科技集团股份有限公司 filed Critical 北京京东方光电科技有限公司
Priority to US14/354,243 priority Critical patent/US9851604B2/en
Publication of WO2014206000A1 publication Critical patent/WO2014206000A1/zh

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1341Filling or closing of cells
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods

Definitions

  • Display substrate manufacturing method thereof, and display device
  • Embodiments of the present invention relate to a display substrate, a method of fabricating the same, and a display device. Background technique
  • Liquid crystal displays play an important role in modern life, and liquid crystal panels are the main part of liquid crystal displays.
  • the two completed substrates array substrate and counter substrate
  • the traditional sealant coating technology is a stroke-type coating.
  • the sealant coating device shown in Figure 1 is required.
  • the sealant coating device directly coats the sealant on the substrate, which causes the following problems:
  • a display substrate includes a display area and a sealant coating area located outside the display area, and the sealant coating area is provided with a groove for restricting the sealant.
  • the groove is disposed in the sealant-coated region in a "one" shape, an "L” shape, or a "mouth” shape.
  • the grooves are "mouth” shaped, and the inner edges of the grooves of the "mouth” shaped grooves are connected end to end to form a closed rectangle surrounding the display area of the display substrate.
  • the outer edge of the groove of the "mouth" shaped groove includes at least one opening for the injection of the sealant.
  • the groove has a cross section that is wide and narrow.
  • the cross section of the groove is an inverted trapezoid or an inverted cone.
  • the grooves are one or more.
  • a display device includes the above display substrate.
  • a method of fabricating a display substrate includes a display area and a sealant coating area located outside the display area, and the manufacturing method includes the step of forming a groove for limiting the sealant on the sealant coating area on the display substrate.
  • the step of forming a groove for limiting the sealant on the sealant coating area on the display substrate is: etching the display substrate to seal the seal on the display substrate The cloth area forms a groove for limiting the sealant.
  • the etching is a dry etching.
  • the step of forming a groove for limiting the sealant on the sealant coating area on the display substrate is: forming a corresponding retaining wall on the sealant coating area on the display substrate, A groove for restricting the sealant is formed between the opposing retaining walls.
  • the retaining wall is formed of SiNx.
  • the retaining wall is formed of the same material as the spacer or black matrix on the display substrate and is formed simultaneously with the spacer or black matrix on the display substrate.
  • the height of the retaining wall is not higher than the height of the spacer or black matrix on the display substrate.
  • Figure 1 is a view of a conventional frame sealant coating device
  • FIG. 2 is a schematic structural view of a display substrate according to an embodiment of the invention.
  • FIG. 3 is a view of a sealant coating apparatus according to an embodiment of the present invention. detailed description
  • Embodiments of the present invention provide a display substrate including a display area and a sealant coating area located outside the display area, and the sealant coating area is provided with a groove for restricting the sealant.
  • the display substrate may be any substrate such as an array substrate or a counter substrate that needs to be coated with a sealant.
  • the opposite substrate is, for example, a color film substrate.
  • the grooves may be one or more.
  • the groove is provided in a "one" shape, an "L” shape, or a “mouth” shape in the sealant coating area.
  • the groove is a "mouth” font.
  • the inner edges of the grooves of the "mouth” shaped groove are connected end to end to form a closed rectangle surrounding the display area of the display substrate, and the outer edge of the groove of the "mouth” shaped groove is provided with at least An opening for the injection of the sealant.
  • One or more openings may be provided, which may be disposed at the four corners of the "mouth” shaped groove, or a plurality of openings may be provided on one side of the "mouth” shaped groove.
  • the grooves may also be arranged in a curved shape.
  • the phenomenon of overflow during the coating process of the sealant can be slowed down, and the uniformity and reliability of the sealant coating are further improved.
  • the groove has a cross section of an upper width and a lower width, such as an inverted trapezoidal shape or a reverse tapered shape or the like.
  • the groove is arranged in a wide and narrow structure, which can increase the bonding area of the sealant, so that the two substrates of the box are more firmly bonded, and the stability and reliability of the device are better.
  • FIG. 2 is a schematic structural view of a display substrate according to an embodiment of the present invention, in which a groove 6 of a "mouth" shape is shown as an example.
  • a sealant coating region surrounding the display region 10 of the display substrate is provided with a "mouth”-shaped groove 6 surrounding the display region 10.
  • a SiNx material may be formed on the display substrate, and then the SiNx material is etched to form the trench 6. It is also possible to directly sing the display substrate to form the trench 6.
  • the inner edge 8 of the groove of the groove 6 is connected end to end in sequence, forming a closed rectangular shape surrounding the display area 10, so as to avoid the display of the sealant to the substrate.
  • the display area 10 overflows to prevent liquid crystal contamination and puncture and the like.
  • the groove outer edge 7 of the groove 6 is provided with an opening 5, and the opening 5 is provided at the four corners of the "mouth"-shaped groove 6 as a sealant injection port. It should be noted that the opening 5 may be provided at another position of the groove 6 as a sealant injection port. For example, the opening 5 is provided on either side of the "mouth” shaped groove 6, as long as the sealant can be smoothly injected into the groove 6 through the opening 5.
  • a sealant coating device as shown in Fig. 1 can be used to inject the sealant into the groove 6 through the opening 5 without the need for conventional stroke coating. Since each of the grooves 6 has a recessed structure, the sealant injected into the grooves 6 does not overflow to cause waste of the sealant and liquid crystal contamination.
  • a sealant coating device as shown in Fig. 3 may be used to inject the sealant into the groove 6 through the opening 5.
  • the sealant coating device shown in FIG. 3 comprises two nozzles 3, and the two nozzles 3 may be perpendicular or at other angles, and the angle between the two nozzles 3 may be adjusted according to the position of the opening 5. In this way, the sealant can be injected into the groove 6 through the two nozzles at the same time, thereby improving the coating efficiency of the sealant.
  • nozzle 3 may further comprise more than two nozzles 3, for example, the number of nozzles 3 is the same as the number of the groove openings 5, and regardless of the number of nozzles 3, the position of the nozzles 3 Both can correspond to the position of the groove opening 5.
  • a valve 9 can be installed in the nozzle 3 for controlling the opening and closing of the sealant injection and the flow rate and flow rate.
  • Embodiments of the present invention also provide a display device including the above display substrate. Since the groove is provided, the sealant is limited, so that the sealant can be applied by injection, which improves the production efficiency, saves the sealant, and solves the problem caused by the traditional stroke-type coating method. Glue, broken glue, and poor uniformity of glue coating, while also preventing liquid crystal pollution and puncture defects, improving yield and production efficiency.
  • the embodiment of the present invention further provides a method for manufacturing a display substrate, the display substrate includes a display area and a sealant coating area located outside the display area, and the manufacturing method includes a sealant coating on the display substrate.
  • the cloth area forms a step for limiting the grooves of the sealant.
  • the step of forming a groove for limiting the sealant on the sealant coating area on the display substrate is: etching the display substrate to seal the seal on the display substrate
  • the cloth area forms a groove for limiting the sealant.
  • the etching is a dry etching. Forming a trench for limiting the sealant by etching the sealant-coated region on the display substrate, before or after the display substrate is fabricated to complete other structures, such as a thin film transistor array or a colored resin layer, It can also be carried out during the process of making other structures on the display substrate.
  • the etching is performed simultaneously to form a structure such as a gate insulating layer or a passivation layer, which can be specifically realized by designing a mask.
  • the step of forming a groove for limiting the sealant on the sealant coating area on the display substrate is: forming a corresponding retaining wall on the sealant coating area on the display substrate, A groove for restricting the sealant is formed between the opposing retaining walls.
  • the retaining wall may be formed using a material such as SiNx or the same material as a spacer, a black matrix or the like.
  • the retaining wall may be formed simultaneously with the spacer or the black matrix, and the height of the retaining wall is not higher than the height of the spacer or the black matrix to avoid affecting the thickness of the liquid crystal panel.
  • a groove is arranged on the display substrate, and the sealant is limited, so that the sealant can be applied by injection, which improves the production efficiency, saves the sealant, and solves the traditional stroke.
  • the glue coating method, the glue breakage, and the poor uniformity of the glue coating can also prevent the liquid crystal pollution and puncture defects, and improve the yield and production efficiency.

Abstract

一种显示基板,其包括显示区域(10)以及位于显示区域(10)外侧的封框胶涂布区域,封框胶涂布区域设置有用于限制封框胶的沟槽(6)。还提供了一种显示基板的制作方法及显示装置。

Description

显示基板及其制作方法、 显示装置 技术领域
本发明的实施例涉及一种显示基板及其制作方法、 显示装置。 背景技术
液晶显示器在现代生活中有着举足轻重的作用, 而液晶面板是液晶显示 器的主要部分。 在将两个制作完成的基板(阵列基板和对向基板)对盒以得 到液晶面板时,需要在其中一个基板上涂布封框胶,在另一个基板上滴液晶, 然后将两个基板对盒。
传统封框胶涂布技术是笔画式涂布, 涂布封框胶时需要用到图 1所示的 封框胶涂布装置。 该封框胶涂布装置将封框胶直接涂布在基板上, 这样会存 在以下问题:
( 1 )涂布稳定性不好, 胶宽不均一且浪费胶;
( 2 )涂布时易发生挂胶、 断胶, 容易导致液晶污染及穿刺不良;
( 3 )笔画式涂布速率较慢。 发明内容
根据本发明的一个方面, 提供一种显示基板。 该显示基板包括显示区域 以及位于显示区域外侧的封框胶涂布区域, 所述封框胶涂布区域设置有用于 限制封框胶的沟槽。
例如, 所述沟槽呈 "一" 字型、 "L" 字型或 "口" 字型设置于所述封 框胶涂布区域。
例如, 所述沟槽为 "口" 字型, 且所述 "口" 字型沟槽的沟槽内边沿首 尾相连, 形成包围显示基板的显示区域的密闭矩形。
例如, 所述 "口" 字型沟槽的沟槽外边沿包括至少一个用于封框胶注入 的开口。
例如, 所述沟槽的横截面为上宽下窄的结构。
例如, 所述沟槽的横截面为倒梯形或倒锥形。 例如, 所述沟槽为一个或多个。
根据本发明的另一个方面, 提供一种显示装置。 该显示装置包括上述的 显示基板。
根据本发明的再一个方面, 提供一种显示基板的制作方法。 所述显示基 板包括显示区域以及位于显示区域外侧的封框胶涂布区域, 所述制作方法包 括在所述显示基板上的封框胶涂布区域形成用于限制封框胶的沟槽的步骤。
例如, 在所述显示基板上的封框胶涂布区域形成用于限制封框胶的沟槽 的步骤为: 对所述显示基板进行刻蚀, 以在所述显示基板上的封框胶涂布区 域形成用于限制封框胶的沟槽。
例如, 所述刻蚀为干法刻蚀。
例如, 在所述显示基板上的封框胶涂布区域形成用于限制封框胶的沟槽 的步骤为: 在所述显示基板上的封框胶涂布区域形成相对的挡墙, 所述相对 的挡墙之间形成用于限制封框胶的沟槽。
例如, 所述挡墙由 SiNx形成。
例如, 所述挡墙采用与所述显示基板上的隔垫物或黑矩阵相同的材料形 成, 并与所述显示基板上的隔垫物或黑矩阵同时形成。
例如,所述挡墙的高度不高于所述显示基板上的隔垫物或黑矩阵的高度。 附图说明
为了更清楚地说明本发明实施例的技术方案, 下面将对实施例的附图作 筒单地介绍,显而易见地,下面描述中的附图仅仅涉及本发明的一些实施例, 而非对本发明的限制。
图 1为传统的封框胶涂布装置图;
图 2为根据本发明实施例的显示基板的结构示意图;
图 3为根据本发明实施例的封框胶涂布装置图。 具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合附图, 对本发明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 是本发明的一部分实施例, 而不是全部的实施例。 基于所描述的本发明的实 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, 都属于本发明保护的范围。
本发明实施例提供一种显示基板, 包括显示区域以及位于显示区域外侧 的封框胶涂布区域, 所述封框胶涂布区域设置有用于限制封框胶的沟槽。 所 述显示基板可以是阵列基板或对向基板等任何需要涂布封框胶的基板。 所述 对向基板例如为彩膜基板。通过设置沟槽,可以采用注入的方式涂布封框胶, 大大提高了封框胶涂布效率, 同时还可以解决传统笔画式涂布方式中封框胶 挂胶、 断胶以及涂胶均匀性差的问题, 提高了产品良率并提高了生产效率。
例如, 所述沟槽可以为一个或多个。
例如, 所述沟槽呈 "一" 字型、 "L" 字型或 "口" 字型设置于封框胶 涂布区域。 优选的, 所述沟槽为 "口" 字型。 在此情况下, 所述 "口" 字型 沟槽的沟槽内边沿首尾相连, 形成包围显示基板的显示区域的密闭矩形, 所 述 "口" 字型沟槽的沟槽外边沿设置有至少一个用于封框胶注入的开口。 通 过使沟槽内边沿形成包围显示基板的显示区域的密闭矩形, 可以有效的防止 液晶污染及穿刺等不良, 提高了产品良率。 此外, 通过在沟槽外边沿设置开 口, 可以便于封框胶的注入, 提高了封框胶涂布的均匀性。 开口可以设置一 个或多个, 可以设置于 "口" 字型沟槽的四个拐角处, 也可以在 "口" 字型 沟槽的一边上设置多个开口。
需要说明的, 所述沟槽也可以设置成曲线型。 当所述沟槽设置为曲线型 时, 可以减緩封框胶涂布过程中溢流等现象, 进一步提高了封框胶涂布的均 匀性和可靠性。
例如, 所述沟槽的横截面为上宽下窄的结构, 例如倒梯形或倒锥形或其 他类似的结构。 沟槽设置成上宽下窄的结构, 可以增加封框胶的粘接面积, 从而使得对盒的两个基板粘接的更加牢固, 器件稳定性和可靠性更好。
图 2为根据本发明实施例的显示基板的结构示意图, 其中作为示例示出 了 "口" 字型的沟槽 6。 如图 2所示, 在显示基板的显示区域 10外侧的封框 胶涂布区域设置有包围显示区域 10的 "口" 字型的沟槽 6。 可以在显示基板 上形成 SiNx材料, 然后对 SiNx材料进行蚀刻以形成沟槽 6。 也可以直接对 显示基板进行独刻, 以形成沟槽 6。 从图 2中可知, 沟槽 6的沟槽内边沿 8 依次首尾相连, 形成封闭的矩形包围显示区域 10, 以避免封框胶向基板的显 示区域 10溢出, 防止液晶污染以及穿刺等不良。
进一步的, 如图 2所示, 沟槽 6的沟槽外边沿 7上设置有开口 5 , 且开 口 5设置于 "口" 字形沟槽 6的四个拐角处, 作为封框胶注入口。 需要说明 的是,也可以在沟槽 6的其它位置设置开口 5作为封框胶注入口。例如在 "口" 字形沟槽 6的任意一边上设置开口 5, 只要能够通过所述开口 5顺利将封框 胶注入沟槽 6即可。
在涂布封框胶时, 可以使用如图 1所示的封框胶涂布装置, 通过开口 5 向沟槽 6内注入封框胶, 而无需进行传统的笔画式涂布。 由于每个沟槽 6都 是凹陷的结构, 因此注入沟槽 6的封框胶不会外溢产生封框胶的浪费以及液 晶污染等问题。
另外, 也可以使用如图 3所示的封框胶涂布装置, 通过开口 5向沟槽 6 内注入封框胶。 图 3所示的封框胶涂布装置包含两个喷嘴 3 , 两个喷嘴 3之 间可以是垂直的或呈其它角度, 两个喷嘴 3之间的角度可根据开口 5的设置 位置进行调整, 这样可以通过两个喷嘴同时向沟槽 6内注入封框胶, 提高了 封框胶涂布效率。 当然, 图 3所示的封框胶涂布装置还可以包含多于两个的 喷嘴 3 , 比如喷嘴 3的数量与沟槽开口 5的数量一致, 并且无论喷嘴 3的数 量如何, 喷嘴 3的位置都可以与沟槽开口 5的位置相对应。 另外, 喷嘴 3中 可以安装有阀门 9, 用于对封框胶注入的开启、 关闭以及流速和流量进行控 制。
本发明实施例还提供一种显示装置, 包括上述的显示基板。 由于设置了 沟槽, 对封框胶进行了限制, 从而可以采用注入的方式涂布封框胶, 提高了 生产效率, 节约了封框胶, 并且解决了传统笔画式涂胶方式带来的挂胶、 断 胶, 以及涂胶均匀性差的问题, 同时还可以防止液晶污染及穿刺等不良, 提 高了良品率和生产效率。
本发明实施例还提供一种显示基板的制作方法, 所述显示基板包括显示 区域以及位于显示区域外侧的封框胶涂布区域, 所述制作方法包括在所述显 示基板上的封框胶涂布区域形成用于限制封框胶的沟槽的步骤。
例如, 在所述显示基板上的封框胶涂布区域形成用于限制封框胶的沟槽 的步骤为: 对所述显示基板进行刻蚀, 以在所述显示基板上的封框胶涂布区 域形成用于限制封框胶的沟槽。 例如, 所述刻蚀为干法刻蚀。 通过刻蚀在所述显示基板上的封框胶涂布区域形成用于限制封框胶的沟 槽,可以在显示基板制作完成其他结构(如薄膜晶体管阵列或者彩色树脂层 ) 之前或之后进行, 也可以在显示基板制作其他结构的过程中进行。 例如, 在 刻蚀形成栅绝缘层、 钝化层等结构时同时进行, 具体可以通过掩模板的设计 来实现。
例如, 在所述显示基板上的封框胶涂布区域形成用于限制封框胶的沟槽 的步骤为: 在所述显示基板上的封框胶涂布区域形成相对的挡墙, 所述相对 的挡墙之间形成用于限制封框胶的沟槽。
例如, 可以采用 SiNx等材料形成所述挡墙, 或者采用和隔垫物、 黑矩 阵等材料相同的材料形成所述挡墙。 为了工艺的筒化, 所述挡墙可以与隔垫 物或黑矩阵同时形成, 挡墙的高度不高于隔垫物或黑矩阵的高度, 避免影响 液晶面板的盒厚。
通过以上制作方法, 在显示基板上设置了沟槽, 对封框胶进行了限制, 从而可以采用注入的方式涂布封框胶, 提高了生产效率, 节约了封框胶, 并 且解决了传统笔画式涂胶方式带来的挂胶、断胶, 以及涂胶均匀性差的问题, 同时还可以防止液晶污染及穿刺等不良, 提高了良品率和生产效率。
以上所述仅是本发明的示范性实施方式, 而非用于限制本发明的保护范 围, 本发明的保护范围由所附的权利要求确定。

Claims

权利要求书
I、一种显示基板, 包括显示区域以及位于显示区域外侧的封框胶涂布区 域, 其中所述封框胶涂布区域设置有用于限制封框胶的沟槽。
2、 根据权利要求 1所述的显示基板, 其中
所述沟槽呈 "一" 字型、 "L" 字型或 "口" 字型设置于所述封框胶涂 布区域。
3、 根据权利要求 2所述的显示基板, 其中
所述沟槽为 "口"字型, 且所述 "口"字型沟槽的沟槽内边沿首尾相连, 形成包围显示基板的显示区域的密闭矩形。
4、 根据权利要求 3所述的显示基板, 其中所述 "口"字型沟槽的沟槽外 边沿包括至少一个用于封框胶注入的开口。
5、根据权利要求 1至 4任一项所述的显示基板,其中所述沟槽的横截面 为上宽下窄的结构。
6、根据权利要求 5所述的显示基板,其中所述沟槽的横截面为倒梯形或 倒锥形。
7、根据权利要求 1至 6任一项所述的显示基板,其中所述沟槽为一个或 多个。
8、 一种显示装置, 其中包括如权利要求 1至 7任一项所述的显示基板。
9、一种显示基板的制作方法,所述显示基板包括显示区域以及位于显示 区域外侧的封框胶涂布区域, 其中所述制作方法包括在所述显示基板上的封 框胶涂布区域形成用于限制封框胶的沟槽的步骤。
10、 根据权利要求 9所述的制作方法, 其中在所述显示基板上的封框胶 涂布区域形成用于限制封框胶的沟槽的步骤为: 对所述显示基板进行刻蚀, 以在所述显示基板上的封框胶涂布区域形成用于限制封框胶的沟槽。
II、 根据权利要求 10所述的制作方法, 其中所述刻蚀为干法刻蚀。
12、 根据权利要求 9所述的制作方法, 其中在所述显示基板上的封框胶 涂布区域形成用于限制封框胶的沟槽的步骤为: 在所述显示基板上的封框胶 涂布区域形成相对的挡墙,所述相对的挡墙之间形成用于限制封框胶的沟槽。
13、 根据权利要求 12所述的制作方法, 其中所述挡墙由 SiNx形成。
14、根据权利要求 12所述的制作方法,其中所述挡墙采用与所述显示基 板上的隔垫物或黑矩阵相同的材料形成, 并与所述显示基板上的隔垫物或黑 矩阵同时形成。
15、根据权利要求 14所述的制作方法,其中所述挡墙的高度不高于所述 显示基板上的隔垫物或黑矩阵的高度。
PCT/CN2013/088005 2013-06-26 2013-11-28 显示基板及其制作方法、显示装置 WO2014206000A1 (zh)

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