WO2015113367A1 - 显示面板的制作方法及转印版 - Google Patents

显示面板的制作方法及转印版 Download PDF

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Publication number
WO2015113367A1
WO2015113367A1 PCT/CN2014/080811 CN2014080811W WO2015113367A1 WO 2015113367 A1 WO2015113367 A1 WO 2015113367A1 CN 2014080811 W CN2014080811 W CN 2014080811W WO 2015113367 A1 WO2015113367 A1 WO 2015113367A1
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WO
WIPO (PCT)
Prior art keywords
alignment film
motherboard
display panel
transfer plate
plate
Prior art date
Application number
PCT/CN2014/080811
Other languages
English (en)
French (fr)
Inventor
邵勇
孟维欣
赵承潭
陈旭
Original Assignee
京东方科技集团股份有限公司
北京京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, 北京京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 US14/425,374 priority Critical patent/US9470931B2/en
Publication of WO2015113367A1 publication Critical patent/WO2015113367A1/zh

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Classifications

    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • 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
    • G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs

Definitions

  • Embodiments of the present invention relate to a method of fabricating a display panel and a transfer plate. Background technique
  • an alignment film having a certain orientation and a pretilt angle is generally provided on a side of a substrate for liquid crystal display (for example, a color filter substrate and an array substrate) close to a liquid crystal layer to realize display.
  • the liquid crystal molecules on the surface of the substrate are arranged neatly with respect to the substrate for display and have a predetermined tilt angle.
  • the alignment film is generally composed of polyimide (PI), the alignment film is also referred to as PI layer.
  • a plurality of display panels are formed on the mother board, and a single display panel of the final desired size is obtained through a cutting process.
  • the formation of the above PI film is formed before the display panel is formed on the mother board.
  • a method for fabricating a display panel and a transfer plate according to at least one embodiment of the present invention are for improving the printing quality of an alignment film and improving the productivity of the alignment film printing.
  • At least one embodiment of the present invention provides a transfer plate having one and only one transfer area corresponding to the entire mother board.
  • At least one embodiment of the present invention provides a method of fabricating a display panel, comprising: sequentially forming a color resin layer and a first alignment film on a first mother board corresponding to at least two display panels; The method comprises: brushing an orientation liquid coated on the surface of the transfer plate onto the surface of the first mother board such that an orientation film is formed on the first mother board; and the transfer plate has one and only one corresponding to cover the entire first mother The transfer area of the board.
  • Figure 1 is a schematic structural view of an APR version
  • FIG. 2 is a top plan view of a transfer plate according to an embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view of a transfer plate according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a motherboard according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a mother board formed with an alignment film according to an embodiment of the present invention
  • FIG. 6 is a schematic structural view of a mother board according to another embodiment of the present invention.
  • FIG. 7 is a schematic structural view of a mother board formed with an alignment film according to another embodiment of the present invention
  • FIG. 8 is a schematic structural view of an apparatus for manufacturing an alignment film according to an embodiment of the present invention
  • FIG. 9 is a schematic flowchart of manufacturing a display panel according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram showing a partial structure of a display panel according to an embodiment of the present invention. detailed description
  • An APR plate for printing an oriented film mainly comprises: a bottom plate 100 and at least two APR raised plates 200 fixed on the master 100; each of the raised plates 200 and the mother board Corresponding to the display panel pattern, the orientation liquid adhered to the APR raised plate 200 is transferred to the corresponding display panel area on the motherboard; the adjacent two APR raised plates 200 have a certain width gap .
  • each APR version is costly and expensive.
  • many APR versions of many models in the production line are not easy to manage, and there is a risk of producing the APR version corresponding to the B model when there is a model A product.
  • a method for fabricating a display panel and a transfer plate according to at least one embodiment of the present invention are for improving the printing quality of an alignment film and improving the productivity of the alignment film printing.
  • the manufacturing process of the display panel provided by the embodiment of the present invention is introduced.
  • three processes are sequentially performed on the basis of the prepared color film substrate or array substrate: orientation process, liquid crystal infusion and curing
  • the box making process as well as the cutting process.
  • the orientation process mainly comprises forming an alignment film on a mother substrate having a color filter substrate and an array substrate.
  • the motherboard may be a mother board for fabricating an array substrate, or may be a mother board for forming a color filter substrate.
  • Each motherboard includes a plurality of parallel substrates, and the sizes of the substrates may be the same or different.
  • the mother board is generally a substrate of a glass substrate or other material, and may be a substrate before or during the dicing step. In the subsequent process, the mother board (or combination of mother boards) will be cut to obtain a plurality of substrates separated from each other.
  • At least one embodiment of the present invention provides a transfer plate 1 having one and only one transfer area corresponding to the entire mother substrate, i.e., the transfer area corresponds to all of the substrates on the mother board.
  • the raised plate 12 is sized to resemble a motherboard and has a shape similar to that of the motherboard.
  • the transfer plate is a photosensitive resin plate (APR plate).
  • a method of fabricating an alignment film on a mother substrate according to at least one embodiment of the present invention.
  • an alignment liquid is coated on the mother board 2 corresponding to at least two color filter substrates 21 by using the transfer plate 1, so that the alignment liquid forms a mother board on the mother board 2 as shown in FIG.
  • the alignment film 22 on 2; as shown in Fig. 2, the transfer plate 1 has one and only one transfer area corresponding to the entire mother substrate 2.
  • an alignment film on each of the color filter substrates and an alignment film on each of the array substrates are separately formed.
  • the alignment liquid is transferred to the mother board corresponding to the color film substrate or the array substrate shown in FIG. 4 or FIG. 6 by using the transfer plate having a transfer area corresponding to the entire mother board shown in FIG. 2 .
  • An alignment film as shown in FIG. 5 or FIG. 7 is formed on the array substrate or the color filter substrate on the entire mother board, that is, an alignment film is formed on the frame region of the array substrate or the color filter substrate before cutting, and the alignment film is avoided.
  • the problem of misalignment with the array substrate or the color filter substrate improves the printing quality of the alignment film.
  • the transfer plate can be used for forming an alignment film on a display plate of any size on a mother board of the same size, which can improve the productivity of the alignment film printing.
  • a method for fabricating a display panel provided by an embodiment of the present invention will be specifically described below.
  • a method for fabricating a display panel according to at least one embodiment of the present invention includes the following steps:
  • the first mother board on which the first alignment film is formed and the second mother board on which the second alignment film is formed are sequentially subjected to a process of boxing and cutting to form at least two display panels separated from each other.
  • the first alignment film is formed by: brushing an alignment liquid coated on the surface of the transfer plate onto the surface of the first mother substrate such that an alignment film is formed on the first mother substrate; A corresponding transfer area covering the entire first mother board.
  • the second alignment film is formed by: brushing an alignment liquid coated on the surface of the transfer plate onto the surface of the second mother substrate such that an alignment film is formed on the second mother substrate; One correspondence Covering the transfer area of the entire second mother board.
  • the display panel includes a color filter substrate 21 and an array substrate 23; the color filter substrate 21 includes a base substrate 210, a black matrix 211, and a first alignment film 212.
  • the array substrate 23 includes a base substrate 230 and a second alignment film 231. The frame region between the color filter substrate 21 and the array substrate 23 is bonded and cured by the sealant layer 25.
  • the frame region of the color filter substrate 21 is cut away to expose the frame region of the array substrate 23. Since the top layer of the array substrate 23 is the second alignment film 231, the second alignment film 231 is exposed to cover the circuit under the second alignment film 231.
  • the method further includes: removing the display panels The alignment film exposed after the framing region is cut exposes the circuit under the alignment film.
  • the alignment film which is removed after the frame area of each display panel is removed can be removed as follows.
  • the frame on which the display panel needs to be removed from the alignment film is placed in a container containing the film for removing the alignment film, and immersed for 20 to 30 minutes to sufficiently remove the alignment film.
  • the de-alignment film liquid may be EP4 or other de-alignment film liquid or the like known in the art.
  • the height of the frame on which the display panel needs to remove the alignment film is, for example, 4-6 mm.
  • the height of deionized water is 3-4 times the area of the border.
  • the deionized water-treated display panel is placed in the drying chamber for 8 to 12 minutes, for example, 10 minutes, and the display panel is dried in a drying chamber at 60-70 °C.
  • At least one embodiment of the present invention provides a transfer plate and a method of producing an alignment film on a mother substrate, the transfer plate having one and only one transfer region corresponding to the entire mother substrate.
  • the method comprises: coating an alignment liquid on a mother board corresponding to at least two color film substrates or array substrates with a transfer plate such that the alignment liquid forms an alignment film on the mother substrate;
  • the printing plate has a transfer area corresponding to the entire mother board, so that an alignment film is formed on the array substrate or the color film substrate on the entire mother board, that is, an alignment film is formed on the frame area of the array substrate or the color film substrate before cutting. Avoiding alignment film and The problem of misalignment of the array substrate or the color filter substrate improves the printing quality of the alignment film.
  • the transfer plate can be used for forming an alignment film on an arbitrarily sized display panel on a mother board of the same size, and the productivity of the alignment film printing can be improved.

Abstract

一种显示面板的制作方法及转印版，所述方法包括：在具有与至少两个显示面板对应的第一母板（2）上依次制作彩色树脂层和第一取向膜（22）；将转印版（1）表面涂覆的取向液刷到所述第一母板（2）表面，使得所述第一母板（2）上形成第一取向膜（22）；所述转印版（1）有且仅有一个对应覆盖整个第一母板（2）的转印区。

Description

显示面板的制作方法及转印版 技术领域
本发明的实施例涉及一种显示面板的制作方法及转印版。 背景技术
在显示技术领域，尤其是液晶显示技术领域，通常在液晶显示用基板（例 如彩膜基板和阵列基板） 靠近液晶层的一侧， 设置具有一定取向和预倾角的 取向膜， 以实现在显示用基板表面的液晶分子相对显示用基板形成整齐的排 列并具有预设的倾角。 由于取向膜一般由聚酰亚胺（Polyimide, PI )构成， 取向膜也简称 PI层。 感光性树脂 ( APR )版主要用于 PI膜制备过程中的定 向液 PI的滚筒涂印， 即 APR版主要用于转移定向液至玻璃基板上， 以形成 均匀的定向液涂层。
液晶显示面板生产过程中， 会在母板上形成多个显示面板， 经切割工艺 得到最终所需要的尺寸的单个显示面板。 在母板上形成显示面板之前， 形成 上述 PI膜的制作。 发明内容
本发明的至少一实施例提供的一种显示面板的制作方法及转印版， 用以 提高取向膜的印刷质量， 提高取向膜印刷的产能。
本发明的至少一实施例提供的一种转印版， 所述转印版有且仅有一个对 应覆盖整个母板的转印区。
本发明的至少一实施例提供一种显示面板的制作方法， 包括在具有与至 少两个显示面板对应的第一母板上依次制作彩色树脂层和第一取向膜的过 程； 制作第一取向膜包括： 将转印版表面涂覆的取向液刷到所述第一母板表 面， 使得所述第一母板上形成取向膜； 所述转印版有且仅有一个对应覆盖整 个第一母板的转印区。 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 简单地介绍，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。 为了更清楚地说明本发明实施例的技术方案， 下面将 对实施例的附图作简单地介绍， 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为一种 APR版结构示意图；
图 2为本发明实施例提供的转印版俯视示意图；
图 3为本发明实施例提供的转印版截面示意图；
图 4为本发明一实施例提供的母板结构示意图；
图 5为本发明一实施例提供的形成有取向膜的母板结构示意图； 图 6为本发明另一实施例提供的母板结构示意图；
图 7为本发明另一实施例提供的形成有取向膜的母板结构示意图； 图 8为本发明实施例提供的制作取向膜的装置结构示意图；
图 9为本发明实施例提供的制作显示面板的流程示意图；
图 10为本发明实施例提供的显示面板局部结构示意图。 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， 下面将结合本发 明实施例的附图， 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。
一种用于印刷取向膜的 APR版， 如图 1所示， 主要包括： 底版 100和固 定在底版 100上的至少两块 APR凸起版 200; 每一块凸起版 200与母板上的 多个显示面板图形对应，用于将粘附至 APR凸起版 200上的定向液转移到母 板上对应的显示面板区域中；相邻的两个 APR凸起版 200之间具有一定宽度 的间隙。
在实际生产过程中， 同一尺寸的不同母板往往会同时用于制作不同尺寸 的产品 （例如， 包括不同尺寸大小的基板） ； 因此， 同一尺寸的母板上的显 示面板图形往往彼此不同。 因此， 针对不同型号的显示面板， 需要不同型号 的 APR版， 这降低了取向膜印刷线的产能。 另外， APR版的制造精度和印 刷精度受诸多因素的影响，很难将预先形成图形的 APR版与玻璃基板的图形 完全吻合，由于印刷中的这一困难经常造成形成在母板上的 PI膜与预设位置 错位， 造成显示面板上的 PI膜与封框胶发生错位， 导致产品报废。
同时每一款 APR版的成本较高， 价格昂贵。 此外， 产线中众多型号的多 款 APR版管理起来不易， 存在生产 A型号产品时， 釆用了生产 B型号产品 对应的 APR版的风险。
本发明的至少一实施例提供的一种显示面板的制作方法及转印版， 用以 提高取向膜的印刷质量， 提高取向膜印刷的产能。
首先介绍本发明实施例提供的显示面板（TFT-LCD ) 的制作工艺流程， 一般地， 在制作好的彩膜基板或阵列基板的基础上先后包括三个工序： 定向 工序、 液晶滴注和固化制盒工序， 以及切割工序。 定向工序主要包括在具有 彩膜基板和阵列基板的母板上制作取向膜。
所述母板可以为制作阵列基板的母板， 也可以为制作彩膜基板的母板， 每个母板包括多个并列的基板， 这些基板的尺寸可以相同或不同。 所述母板 一般为玻璃基板或其他材料的基板， 可以为上述切割工序时或切割工序之前 的基板。 在之后的工序中， 母板（或母板的组合）将被切割以得到多个彼此 分离的基板。
如图 2所示， 本发明至少一实施例提供的转印版 1， 有且仅有一个对应 覆盖整个母板的转印区， 也即该转印区对应于母板上的全部基板。
参见图 3， 转印版包括一底板 11和固定于底板 11上的一凸起版 12; 凸 起版 12与图 2所示的转印区 1相对应。
例如， 凸起版 12的大小与母板相当， 形状与母板的形状相似。
例如， 所述转印版为感光性树脂版（APR版） 。
本发明至少一实施例提供的母板上取向膜的制作方法。 如图 4所示， 利 用转印版 1在与至少两个彩膜基板 21对应的母板 2上涂覆取向液，使得所述 取向液在母板 2上形成图 5所示的位于母板 2上的取向膜 22; 如图 2所示， 转印版 1有且仅有一个对应覆盖整个母板 2的转印区。
本发明至少一实施例提供另一种母板上取向膜的制作方法。如图 6所示， 利用转印版 1在与至少两个阵列基板 23相对应的母板 2上涂覆取向液，使得 所述取向液在母板 2上形成图 7所示的位于母板 2上的取向膜 24;如图 2所 示， 转印版 1具有对应覆盖整个母板 2的一个转印区。
上述实施例提供的取向膜的制作方法， 分别制作位于各彩膜基板上的取 向膜和位于各阵列基板上的取向膜。 制作过程釆用图 2所示的具有对应覆盖 整个母板的一个转印区的转印版将取向液转印到图 4或图 6所示与彩膜基板 或阵列基板对应的母板上， 使得整个母板上的阵列基板或彩膜基板上均形成 如图 5或图 7所示的取向膜， 即在切割之前的阵列基板或彩膜基板的边框区 域均形成取向膜， 避免了取向膜与阵列基板或彩膜基板错位的问题， 提高了 取向膜的印刷质量。 该转印版可用于相同尺寸的母板上形成任意尺寸显示面 板上取向膜的过程， 可以提高取向膜印刷的产能。
上述实施例提供的取向膜的制作方法可以通过图 8所示的装置实现。 参见图 8，通过点胶机 10 ( Dispenser )将 PI液 20滴到辊轮 ( Anilox Roll ) 30上与辊板 ( Blade Roll ) 40接触的位置， 辊板 40将辊轮 30上的 PI液 20 涂抹均匀。辊轮 30与挂有图 2所示的转印版 1的版胴 60接触； 将 PI液转印 到转印版 1上， 最后通过转印版 1把 PI液印刷到基台 70上的母板 2表面形 成 PI膜（图 8中未显示 PI膜） 。
以下将具体说明本发明实施例提供的显示面板的制作方法。
参见图 9， 本发明至少一个实施例提供的显示面板的制作方法， 包括如 下步骤：
Sl l、 在具有与至少两个显示面板对应的第一母板上依次制作彩色树脂 层和第一取向膜；
S 12、 在与所述至少两个显示面板对应的第二母板上依次制作像素阵列 和第二取向膜；
S 13、 将形成有所述第一取向膜的第一母板以及形成有所述第二取向膜 的第二母板先后进行对盒和切割工艺， 形成至少两个相互分离的显示面板。
例如， 制作第一取向膜包括： 将转印版表面涂覆的取向液刷到所述第一 母板表面， 使得所述第一母板上形成取向膜； 所述转印版有且仅有一个对应 覆盖整个第一母板的转印区。
例如， 制作第二取向膜包括： 将转印版表面涂覆的取向液刷到所述第二 母板表面， 使得所述第二母板上形成取向膜； 所述转印版有且仅有一个对应 覆盖整个第二母板的转印区。
步骤 S13形成的显示面板的局部截面示意图， 如图 10所示。 该显示面 板包括相对设置的彩膜基板 21和阵列基板 23; 彩膜基板 21 包括衬底基板 210、 黑矩阵 211、 第一取向膜 212; 阵列基板 23包括衬底基板 230、 第二取 向膜 231 ;彩膜基板 21和阵列基板 23之间的边框区域通过封框胶层 25对盒 和固化。
彩膜基板 21的边框区域切割掉， 露出阵列基板 23的边框区域， 由于阵 列基板 23的顶层为第二取向膜 231，第二取向膜 231露出遮盖了位于第二取 向膜 231下方的电路。
由于釆用图 2所示的转印版， 导致显示面板边框区域的电路被 PI覆盖， 影响信号输入， 例如， 所述形成至少两个相互分离的显示面板之后，还包括： 去除各显示面板的边框区域经切割后露出的取向膜， 使得取向膜下方的电路 露出。
例如， 去除每一显示面板的边框区域经切割后露出的取向膜， 可如下进 行。
将所述显示面板需要去除取向膜的边框置于盛有去除取向膜液的容器 中， 浸泡 20~30分钟， 使得取向膜充分去除。
例如， 去取向膜液可以为 EP4或其他本领域中已知的去取向膜液等。 显 示面板需要去除取向膜的边框的高度例如为 4-6mm。
然后，将去取向膜液浸泡后的显示面板置于去离子水中，清洗 5~7分钟， 例如 8分钟。
例如， 去离子水的高度为边框区域的 3-4倍。
将所述去离子水处理过的显示面板置于烘干室 8~12分钟， 例如为 10分 钟， 将所述显示面板在 60-70°C的烘干室烘干。
本发明实的至少一施例提供一种转印版以及母板上取向膜的制作方法， 所述转印版有且仅有一个对应覆盖整个母板的转印区。 所述方法包括： 利用 转印版在与至少两个彩膜基板或阵列基板相对应的母板上涂覆取向液， 使得 所述取向液在所述母板上形成取向膜； 所述转印版具有对应覆盖整个母板的 一个转印区， 使得整个母板上的阵列基板或彩膜基板上均形成取向膜， 即在 切割之前的阵列基板或彩膜基板的边框区域均形成取向膜， 避免了取向膜与 阵列基板或彩膜基板错位的问题， 提高了取向膜的印刷质量。 该转印版可用 于相同尺寸的母板上形成任意尺寸显示面板上取向膜的过程， 可以提高取向 膜印刷的产能。
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
1、一种用于制作母板上取向膜的转印版， 其中， 所述转印版有且仅有一 个对应覆盖整个母板的转印区。
2、根据权利要求 1所述的转印版， 其中， 所述转印版包括一底板和固定 于所述底板上的一凸起版； 所述凸起版与所述转印区相对应。
3、 根据权利要求 2所述的转印版， 其中， 所述转印版为感光性树脂版。
4、 一种显示面板的制作方法， 包括：
在具有与至少两个显示面板对应的第一母板上依次制作彩色树脂层和第 一取向膜；
其中， 制作第一取向膜包括： 将转印版表面涂覆的取向液刷到所述第一 母板表面， 使得所述第一母板上形成取向膜；
其中， 所述转印版有且仅有一个对应覆盖整个第一母板的转印区。
5、 根据权利要求 4所述的制作方法， 还包括：
在与所述至少两个显示面板对应的第二母板上依次制作像素阵列和第二 取向膜；
其中， 制作第二取向膜包括： 将转印版表面涂覆的取向液刷到所述第二 母板表面， 使得所述第二母板上形成取向膜；
其中， 所述转印版有且仅有一个对应覆盖整个第二母板的转印区。
6、 根据权利要求 5所述的制作方法， 还包括：
将形成有所述第一取向膜的第一母板以及形成有所述第二取向膜的第二 母板先后进行对盒和切割工艺， 形成至少两个相互分离的显示面板。
7、根据权利要求 6所述的制作方法，所述形成至少两个相互分离的显示 面板之后， 还包括： 去除各显示面板的边框区域经切割后露出的取向膜， 使 得所述取向膜下方的电路露出。
8、根据权利要求 7所述的制作方法，去除每一显示面板的边框区域经切 割后露出的取向膜， 包括：
将所述显示面板需要去除取向膜的一侧置于盛有去取向膜液的容器中， 浸泡 20~30分钟；
将经去取向膜液浸泡后的显示面板置于去离子水中， 清洗 5~7分钟； 将所述去离子水处理过的显示面板置于烘干室 8~12分钟， 将所述显示 面板烘干。
PCT/CN2014/080811 2014-01-29 2014-06-26 显示面板的制作方法及转印版 WO2015113367A1 (zh)

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