WO2021233255A1 - 电润湿显示器件制作方法及曲面电润湿显示器件 - Google Patents

电润湿显示器件制作方法及曲面电润湿显示器件 Download PDF

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Publication number
WO2021233255A1
WO2021233255A1 PCT/CN2021/094132 CN2021094132W WO2021233255A1 WO 2021233255 A1 WO2021233255 A1 WO 2021233255A1 CN 2021094132 W CN2021094132 W CN 2021094132W WO 2021233255 A1 WO2021233255 A1 WO 2021233255A1
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substrate
curved
mold
curved surface
electrowetting display
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PCT/CN2021/094132
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English (en)
French (fr)
Inventor
周国富
唐彪
王天友
钱宇旸
魏妙杨
蒋洪伟
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华南师范大学
深圳市国华光电科技有限公司
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Publication of WO2021233255A1 publication Critical patent/WO2021233255A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
    • G02B26/005—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid based on electrowetting

Definitions

  • the invention relates to the technical field of electrowetting displays, in particular to a method for manufacturing an electrowetting display device and a curved electrowetting display device.
  • the electrowetting display is a reflective display device, which reflects the external light source through the ink of different colors, so as to achieve a full-color display effect.
  • the electrowetting display has low energy consumption, wide color gamut, and high response. , High contrast, visual health and other advantages, so it is considered to be one of the mainstream display technologies in the future.
  • curved electrowetting displays have begun to be gradually used by consumers.
  • the electrowetting device is packaged and the entire device is bent into the desired curved surface.
  • the electrowetting display device can be processed in a way to realize the curved surface of the electrowetting display device.
  • the packaging material will easily fail due to the stress of the packaging material after bending, and the electrowetting display device after bending is likely to cause the ink to turn over the wall due to the pressure concentration of the internal liquid , Thereby reducing the service life of the product.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention provides a method for manufacturing an electrowetting display device and a curved electrowetting display device, which avoids the problem of packaging failure caused by the stress generated by the packaging material after bending and the problem of ink overturning caused by the concentration of internal liquid pressure. .
  • the embodiment of the present invention provides a method for manufacturing an electrowetting display, including:
  • S3 align the upper substrate and the lower substrate, and encapsulate the upper substrate of the first lower mold, the lower substrate of the first lower mold, and the devices between the upper substrate of the first lower mold and the lower substrate of the first lower mold to form Curved electrowetting display device.
  • the embodiments provided by the present invention include at least the following beneficial effects: Before packaging, since the upper substrate and the lower substrate are already curved structures, the method of forming the curved substrate first and then packaging is used to produce an electrowetting display device, which avoids bending Later, the problem of packaging failure caused by the stress generated by the packaging material and the problem of ink overturning caused by the concentration of internal liquid pressure.
  • a plastic frame is set on the upper substrate of the first lower mold, and the upper substrate of the first lower mold and the second lower mold are completed by the first lower mold plastic frame. Fix the substrate under the mold.
  • the substrate material is pressed into a curved first lower mold upper substrate and/or lower substrate through the first mold, and the first lower mold
  • the first mold includes a first upper mold and a first lower mold
  • the first lower mold includes a first curved surface
  • the first lower mold includes a second curved surface
  • the first lower mold includes a first curved surface and a second curved surface.
  • the second curved surface of the lower mold has the same shape.
  • the substrate material is placed between the first curved surface of the first lower mold and the second curved surface of the first lower mold, and then the first lower mold and the first mold are pressed together , Forming a curved first lower mold upper substrate.
  • a plastic frame is prepared on one side of the substrate material, the second curved surface of the first lower mold is attached to the plastic frame of the first lower mold, and the first lower mold is attached to the plastic frame of the first lower mold.
  • a curved surface is attached to the other side of the upper substrate of the first lower mold relative to the rubber frame of the first lower mold.
  • the curved first lower mold upper substrate of the lower mold plastic frame; the second curved surface of the first lower mold is coated with a hydrophobic layer and is attached to the first lower mold plastic frame.
  • a hydrophobic layer, photoresist, and pixel wall are sequentially coated on a substrate material to form a first intermediate material
  • a first mold is used to press Close the first intermediate material of the first lower mold; place the first intermediate material of the first lower mold on the first curved surface of the first lower mold and the second curved surface of the first lower mold and press the first lower mold and the first mold to form a curved surface -Type first lower mold lower substrate.
  • the second mold includes a second upper mold and a second lower mold
  • the first lower mold and the second upper mold include a third curved surface
  • the first lower mold has a second
  • the lower mold includes a fourth curved surface.
  • the third curved surface of the first lower mold has the same shape as the fourth curved surface of the first lower mold.
  • the curved shape of the third curved surface of the first lower mold is consistent with the curved shape of the upper substrate of the first lower mold.
  • the curved shape of the fourth curved surface of the mold is consistent with the curved shape of the lower substrate of the first lower mold.
  • the upper substrate of the first lower mold is aligned with the lower substrate of the first lower mold, and then the curved first lower mold
  • the third curved surface covers the upper substrate of the first lower mold
  • the fourth curved surface of the first lower mold covers the lower substrate of the first lower mold.
  • the first curved surface of the first lower mold covers the upper substrate of the first lower mold
  • the second curved surface of the first lower mold covers the lower substrate of the first lower mold to fix
  • a curved electrowetting display device includes an upper substrate, a lower substrate, and a plastic frame.
  • the upper substrate and the lower substrate are connected by the plastic frame to form a closed accommodation space, and the lower substrate is sequentially coated with a hydrophobic layer , Photoresist and pixel walls, there is ink between the pixel walls, the containing space is filled with electrolyte, and the upper and lower substrates are curved structures.
  • Figure 1 is a state diagram of the lower substrate before bending
  • Figure 2 is a state diagram of the bending process of the lower substrate
  • Figure 3 is a state diagram of the bending process of the lower substrate
  • Figure 5 is a state diagram of the first embodiment of the upper substrate bending process
  • Figure 6 is a state diagram of the first embodiment of the upper substrate bending process
  • Figure 7 is a state diagram of the first embodiment of the upper substrate bending process
  • Figure 8 is a state diagram of the second embodiment of the upper substrate bending process
  • FIG. 10 is a cross-sectional view of the lower substrate before the electrowetting display device is packaged
  • Fig. 11 is an intermediate state diagram of the electrowetting display device during packaging
  • Figure 12 is an intermediate state diagram of the electrowetting display device during packaging
  • FIG. 13 is a schematic diagram of the structure of an electrowetting display device.
  • a feature in the description of the embodiments of the present invention, if a feature is referred to as “set”, “fixed”, “connected”, or “installed” on another feature, it can be directly set, fixed, or connected to another feature, It can also be installed, fixed, connected, or installed indirectly on another feature.
  • “several” it means more than one, if it refers to “multiple”, it means two or more, if it refers to "greater than”, “less than”, “more than “, should be understood as not including the number, if it involves “above”, “below”, and “within”, it should be understood as including the number.
  • first and “second” are involved, it should be understood as used to distinguish technical features, but cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating what is indicated The sequence of technical features.
  • the traditional method of manufacturing curved electrowetting display devices is to first encapsulate the upper substrate and the lower substrate, and then bend the packaged materials.
  • it is easy to cause the package to fail.
  • the pressure accumulation of the liquid inside the electrowetting display device on the curved surface can easily cause the problem of ink overturning the wall, thereby reducing the service life of the electrowetting display device.
  • an embodiment of the present invention provides an electrowetting display device manufacturing method. First, two substrates are pressed into an upper substrate and a lower substrate with the same shape and curvature through a mold, and then the upper substrate is coated For the plastic-covered frame, all required components are sequentially installed on the lower substrate, and then the upper substrate and the lower substrate are packaged to complete the production of the curved electrowetting display device.
  • the upper substrate and the lower substrate have been pressed into a curved structure before packaging, there is no need to bend again after packaging, which avoids the problem of packaging failure and packaging failure caused by the stress generated by the packaging material after bending. The problem of ink turning over the wall caused by the concentration of internal liquid pressure.
  • the method for manufacturing the lower substrate 101 is to use a mold with a curved structure.
  • the mold includes an upper mold 201 and a lower mold 202.
  • the upper mold 201 includes a first curved surface
  • the lower mold 202 includes a second curved surface. It is arranged corresponding to the second curved surface, and the first curved surface and the second curved surface have the same shape.
  • the hydrophobicity of the hydrophobic layer 102 can be reduced by operation to facilitate the coating of the photoresist 103.
  • the hydrophobicity of the hydrophobic layer 102 is restored, and the package is awaited.
  • the hydrophobicity of the hydrophobic layer 102 can be reduced by ion etching or the like, and the hydrophobicity of the hydrophobic layer 102 can be restored by high-temperature reflow.
  • the hydrophobic layer 102 used in the above operation is a fluoropolymer material, which has little effect on the shape of the material to be coated, so even if the lower substrate 101 is curved, the coating of the hydrophobic layer 102 will not be too affected. Great influence, so as to ensure the service life of the manufactured curved electrowetting display device.
  • the PEN film 105 coated with the ITO layer 104 is first selected as the substrate material of the upper substrate 401, as shown in FIG. 4.
  • the mold is divided into an upper mold 201 and a lower mold 202.
  • the upper mold 201 includes a first curved surface
  • the lower mold 202 includes a second curved surface.
  • the first curved surface of the upper mold 201 and the second curved surface of the lower mold 202 are placed on the two sides of the upper substrate 401, as shown in FIG. 5, and then pressed together to form a curved upper substrate 401.
  • the lower mold 201 can be easily removed from the plastic frame 601 after the pressing is completed.
  • the plastic frame 601 is connected to the upper substrate 401 and the side of the lower substrate 101 where the ITO layer 104 is plated.
  • the glue frame 601 can be prepared on the upper substrate 401 by a glue dispensing process or an inkjet printing process.
  • the upper substrate 401 and the lower substrate 101 are packaged.
  • the positions of the upper substrate 401 and the lower substrate 101 are fixed and facing as shown
  • the upper mold 201 is pressed downward as shown in 12, and the lower mold 202 is pressed upward as shown in Fig. 12.
  • the upper mold 201 and the lower mold 202 are removed to obtain the curved surface electrolubrication as shown in Fig. 13 Wet display device.
  • the lower substrate with the hydrophobic layer, photoresist and pixel wall is firstly placed at an angle.
  • the filling box make the liquid level of the electrolyte lower than the lowest position on the lower substrate where the ink needs to be filled.
  • the upper mold 201 and the lower mold 202 can fix the top pair position through the clamping groove, so that no displacement is caused during the pressing process, so that the upper substrate 401,
  • the shape of the lower substrate 101 is consistent, and in the process of pressing and forming a curved electrowetting display device, it is ensured that the curved shapes of the upper substrate 401 and the lower substrate 101 correspond to each other.
  • the same set of molds is used for processing the upper substrate 401 and the lower substrate 101, and another set of molds is used for the upper substrate 401 and the lower substrate 101, as long as the two sets of molds are prepared on the upper substrate 401 and the lower substrate 401 is prepared.
  • the shape of the curved surface that acts on the upper substrate 401 and the lower substrate 101 during the preparation of the substrate 101 and the final packaging is sufficient.
  • the embodiment of the present invention also provides a curved electrowetting display device, which is manufactured by the processing method of any of the above-mentioned embodiments.
  • a curved electrowetting display device includes a curved upper substrate 401 and a curved lower substrate 101.
  • the upper substrate 401 and the lower substrate 101 have the same curved shape, and the upper substrate 401 and the lower substrate 101 uses the material of PEN film 105 plated with ITO layer 104.
  • the upper substrate 401 and the lower substrate 101 on the side with the TIO coating are arranged oppositely, and the rubber frame 601 is coated between the upper substrate 401 and the lower substrate 101, so that The upper substrate 401, the lower substrate 101 and the plastic frame 601 form a closed accommodating space.
  • the lower substrate 101 is sequentially coated with a hydrophobic layer 102 and a photoresist 103, a pixel wall 106 is arranged on the photoresist 103, and an ink 1102 is arranged between the pixel walls 106, and the remaining space of the containing space is filled
  • the electrolyte 1101, and the electrolyte 1101 and the ink 1102 are not compatible.
  • the plastic frame 601 can be made of acrylic material
  • the ink 1102 can be made of colored ink 1102 such as n-decane
  • the pixel wall 106 can be made of negative photoresist 103
  • the hydrophobic layer 102 can be made of fluoropolymer material. production.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

一种电润湿显示器件制作方法包括：S1：将曲面型的上基板（401）、曲面型的下基板（101）对位贴合后；S2：将上基板（401）、下基板（101）以及位于上基板（401）和下基板（101）之间的器件进行封装，形成曲面型的电润湿显示器件。在封装前，由于上基板（401）和下基板（101）已经为曲面型结构，采用先成型曲面基板，后封装的方法制成电润湿显示器件，避免了弯折后由于封装材料产生的应力导致的封装失效问题和内部液体压力集中导致的油墨翻墙问题。还公开了一种曲面电润湿显示器。

Description

电润湿显示器件制作方法及曲面电润湿显示器件 技术领域
本发明涉及电润湿显示器技术领域，尤其是涉及一种电润湿显示件器制作方法及曲面电润湿显示器件。
背景技术
电润湿显示器是一种反射式显示装置，其通过具有的不同颜色的油墨对外界的光源进行反射，从而实现全色彩的显示效果，电润湿显示器具有能耗低、色域广、高响应、高对比度、视觉健康等优点,因此被认为是未来的主流显示技术之一。近几年，随着消费者需求的提高，曲面的电润湿显示器也开始逐渐被消费者使用，传统的加工方法中，采用在电润湿器件封装后将整个器件弯折成所需曲面的方式进行加工，实现电润湿显示器件的曲面化，但是在弯曲后由于封装材料的应力问题容易使得封装失效，并且弯折后的电润湿显示器件容易由于内部液体的压力集中导致油墨翻墙，从而降低产品的使用寿命。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明提出一种电润湿显示器件制作方法及曲面电润湿显示器件，避免了弯折后由于封装材料产生的应力导致的封装失效问题和内部液体压力集中导致的油墨翻墙问题。
本发明的实施例提出了一种电润湿显示器制作方法，包括：
S1：准备曲面型的上基板和曲面型的下基板；
S2：对下基板填充电解液和油墨；
S3：将上基板和下基板对位贴合，将第一下模具上基板、第一下模具下基板以及位于第一下模具上基板和第一下模具下基板之间的器件进行封装，形成曲面型的电润湿显示器件。
本发明提供的实施例至少包括以下有益效果：在封装前，由于上基板和下基板已经为曲面型结构，采用先成型曲面基板，后封装的方法制成电润湿显示器件，避免了弯折后由于封装材料产生的应力导致的封装失效问题和内部液体压力集中导致的油墨翻墙问题。
根据本发明的另一些实施例的电润湿显示器件制作方法，在实施S3前，先 在第一下模具上基板设置胶框，通过第一下模具胶框完成第一下模具上基板和第一下模具下基板的固定。
根据本发明的另一些实施例的电润湿显示器件制作方法，在实施S1前，通过第一模具将衬底材料压合成曲面型的第一下模具上基板和/或下基板，第一下模具第一模具包括第一上模具和第一下模具，第一下模具第一上模具包括第一曲面，第一下模具第一下模具包括第二曲面，第一下模具第一曲面和第一下模具第二曲面形状一致。
根据本发明的另一些实施例的电润湿显示器件制作方法，将衬底材料放置于第一下模具第一曲面和第一下模具第二曲面间，然后压合第一下模具第一模具，形成曲面型的第一下模具上基板。
根据本发明的另一些实施例的电润湿显示器件制作方法，将衬底材料的一侧制备胶框，第一下模具第二曲面与第一下模具胶框贴附，第一下模具第一曲面与第一下模具上基板相对第一下模具胶框的另一侧贴附，通过第一下模具第一上模具和第一下模具第一下模具的压合，形成连接有第一下模具胶框的曲面型的第一下模具上基板；第一下模具第二曲面涂覆有疏水层后与第一下模具胶框贴附。
根据本发明的另一些实施例的电润湿显示器件制作方法，在S1中，在衬底材料上依次涂覆疏水层、光刻胶、像素墙后形成第一中间材料，采用第一模具压合第一下模具第一中间材料；所将第一下模具第一中间材料放置于第一下模具第一曲面和第一下模具第二曲面后压合第一下模具第一模具，形成曲面型的第一下模具下基板。
根据本发明的另一些实施例的电润湿显示器件制作方法，第二模具包括第二上模具和第二下模具，第一下模具第二上模具包括第三曲面，第一下模具第二下模具包括第四曲面，第一下模具第三曲面和第一下模具第四曲面形状一致，第一下模具第三曲面的曲线形状与第一下模具上基板的曲面形状一致，第一下模具第四曲面的曲线形状与第一下模具下基板的曲线形状一致，在S3中，将第一下模具上基板与第一下模具下基板对位贴合后，将曲面型第一下模具第三曲面覆盖第一下模具上基板，将第一下模具第四曲面覆盖第一下模具下基板，固定第一下模具上基板和第一下模具下基板一段时间后，取下第一下模具上模具和第一下模具下模具。
根据本发明的另一些实施例的电润湿显示器件制作方法，将第一下模具第一曲面覆盖第一下模具上基板，将第一下模具第二曲面覆盖第一下模具下基板，固定第一下模具第一上模具和第一下模具第一下模具一段时间后，取下第一下模具上模具和第一下模具下模具。
本发明的实施例还提供了一种曲面电润湿显示器件，曲面电润湿显示器由上述电润湿显示器制作方法制成。
根据本发明的另一些实施例的曲面电润湿显示器件，包括上基板、下基板和胶框，上基板和下基板通过胶框连接，形成封闭的容纳空间，下基板上依次涂覆疏水层、光刻胶和像素墙，像素墙之间具有油墨，容纳空间中充满电解液，上基板和下基板为曲面型结构。
附图说明
图1是下基板弯折前状态图；
图2是下基板弯折过程状态图；
图3是下基板弯折过程状态图；
图4是上基板弯折过程第一实施例状态图；
图5是上基板弯折过程第一实施例状态图；
图6是上基板弯折过程第一实施例状态图；
图7是上基板弯折过程第一实施例状态图；
图8是上基板弯折过程第二实施例状态图；
图9是上基板弯折过程第二实施例状态图；
图10是电润湿显示器件封装前下基板截面图；
图11是电润湿显示器件封装时中间状态图；
图12是电润湿显示器件封装时中间状态图；
图13是电润湿显示器件结构示意图。
附图说明：下基板101、疏水层102、光刻胶103、ITO层104、PEN薄膜105、像素墙106、上模具201、下模具202、上基板401、胶框601、电解液1101、油墨1102。
具体实施方式
以下将结合实施例对本发明的构思及产生的技术效果进行清楚、完整地描述，以充分地理解本发明的目的、特征和效果。显然，所描述的实施例只是本发明的一部分实施例，而不是全部实施例，基于本发明的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例，均属于本发明保护的范围。
在本发明实施例的描述中，如果涉及到方位描述，例如“上”、“下”、“前”、“后”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明实施例的描述中，如果某一特征被称为“设置”、“固定”、“连接”、“安装”在另一个特征，它可以直接设置、固定、连接在另一个特征上，也可以间接地设置、固定、连接、安装在另一个特征上。在本发明实施例的描述中，如果涉及到“若干”，其含义是一个以上，如果涉及到“多个”，其含义是两个以上，如果涉及到“大于”、“小于”、“超过”，均应理解为不包括本数，如果涉及到“以上”、“以下”、“以内”，均应理解为包括本数。如果涉及到“第一”、“第二”，应当理解为用于区分技术特征，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。
传统制造曲面电润湿显示器件的方法为，先对上基板和下基板进行封装，然后再将封装好的物料进行弯曲，但是在弯曲后，由于封装材料的应力失配，容易导致封装失效，并且弯曲完成后位于曲面电润湿显示器件内部的液体的压力聚集容易导致油墨翻墙的问题，从而降低电润湿显示器件的使用寿命。
为了解决上述问题，本发明的一个实施例提供了一种电润湿显示器件制作方法，首先通过模具将两块基板压合成形状以及弯曲度一致的上基板和下基板，然后在上基板上涂覆胶框，在下基板上依次安装所需的所有零部件，然后对上基板和下基板进行封装，完成曲面电润湿显示器件的制作。在本实施例中，由于上基板和下基板在封装前已经被压合成曲面型结构，所以在封装后无需再次进行弯折，避免了弯折后由于封装材料产生的应力导致的封装失效问题和内部液体压力集中导致的油墨翻墙问题。
作为一种实施例，下基板101的制作方法为，采用具有曲面结构的模具，模 具包括上模具201和下模具202，上模具201包括第一曲面，下模具202包括第二曲面，第一曲面和第二曲面对应设置，且第一曲面和第二曲面形状一致。首先选用镀ITO层104的PEN薄膜105作为下基板101的衬底材料，然后依次在下基板101具有ITO层104的一上涂覆疏水层102、光刻胶103和像素墙106，形成如图1所示的状态，然后将上基板401与像素墙106贴附，将上模具201的第一曲面与像素墙贴附，将下模具202的第二曲面与衬底相对于疏水层102的另一侧贴附(如图2所示)，然后操作模具，将上模具201和下模具202相互压合，使得下基板101以及位于其上的疏水层102、光刻胶103和像素墙106形成如图3所示的结构。在完成上述步骤后，取下上模具201，将压合好的曲面型下基板101以及位于其上的各个零部件放置在下模具202上保持形态。
在上述操作过程中，在下基板101上涂覆光刻胶103前，可通过操作降低疏水层102的疏水性，便于光刻胶103的涂覆。在完成像素墙106的布置后，再恢复疏水层102的疏水性，等待封装。作为一种实施例，在上述操作过程中，可以通过离子刻蚀等方式降低疏水层102的疏水性，可以通过高温回流的方式恢复疏水层102的疏水性。
在上述操作中采用的疏水层102为含氟聚合物材料，这种材料对被涂覆材料的形状影响不大，所以即使下基板101为曲面型，疏水层102的涂覆也不会受太大影响，从而保证制造的曲面电润湿显示器件的使用寿命。
作为一种实施例，上基板401制作方法的第一实施例，首先选用镀ITO层104的PEN薄膜105作为上基板401的衬底材料，如图4所示。模具分为上模具201和下模具202，上模具201包括第一曲面，下模具202包括第二曲面，第一曲面和第二曲面对应设置，且第一曲面和第二曲面形状一致，分别将上模具201的第一曲面和下模具202的第二曲面至于上基板401的两个侧面，如图5所示，然后进行压合，形成曲面型上基板401。然后去掉上模具201，在上基板401均具有ITO层104的一侧涂覆胶框601(如图6所示)，然后撤掉下模具202后静置，用于与下模具202进行贴附(如图7所示)。
作为一种实施例，上基板401制作方法的第二实施例，首先选用镀ITO层104的PEN薄膜105作为上基板401的衬底材料，然后在上基板401具有ITO层104的一侧涂覆胶框601，如图8所示。然后在第二曲面涂覆疏水层102后，将 第二曲面与胶框601贴附，然后将下模具202的第一曲面与下基板101涂覆有胶框601的另一侧贴附，如图9所示。然后将上模具201和下模具202进行压合，形成如图6所示的曲面型上基板401。
在上述操作过程中，由于上基板401临近胶框601的一侧设有疏水层102，所以完成压合后能够较为容易的将下模具201从胶框601上取下。
在上述操作过程中，胶框601均连接在上基板401和下基板101镀ITO层104的一侧。
在上述操作过程中，可以通过点胶工艺或喷墨打印工艺在上基板401上制备胶框601。
在上述操作过程中，制备在上基板401上的胶框601由于具有可塑性，所以其可以保持压合成为曲面型的上基板401的结构较为稳定，不易变形。
制作好曲面型上基板401和曲面型下基板101后，开始进行上基板401和下基板101的封装。
首先将下基板101放入填充箱中(此时下基板101位下模具202上)，通过自组装填充向下基板101填充油墨1102和电解液1101(如图10所示)，填充完成后将上基板401上涂覆有胶框601的一侧贴附到下基板101上，使得胶框601相对上基板401的一侧与下基板101接触并固定，此时将上模具201的第一曲面覆盖在上基板401上(如图11所示)，待连接后的上基板401和下基板101连接稳定后放置于空气环境中，此时，固定上基板401和下基板101的位置并向如图12所示的下方压紧上模具201，向如图12所示的上方压紧下模具202，待结构固化后，取下上模具201和下模具202，得到如图13所示的曲面电润湿显示器件。
在上述自组装填充过程中，根据在先公开的申请号为CN102439508A，专利名称为制造光学显示器的方法中公开的填充方法，首先将安装有疏水层、光刻胶和像素墙的下基板倾斜放入填充箱中，使得电解液的液面高度低于下基板上需要填充油墨的最低位置，由于电解液和光刻胶之间的表面张力使得二者之间形成一个凹槽，在凹槽中添加油墨，并向填充箱中增加电解液使得电解液的液面升高至油墨的位置高于所有油墨需要填充的位置，从而完成自组装填充，在上述过程中，由于像素墙上涂覆有亲水性材料，所以油墨不会覆盖像素墙，像素墙之间的空隙 内完成自组装填充。
在上述过程中采用的均为同一套模具，上模具201和下模具202可以通过卡槽固定顶对位置，使得在压合过程中不会造成移位，从而使得压合形成的上基板401、下基板101的形一致，并且在压合形成曲面电润湿显示器件的过程中，保证了上基板401和下基板101曲面形状的对应。
作为另一种实施例，在上述过程中，加工上基板401和下基板101采用同一套模具，对上基板401和下基板101采用另一套模具，只要两套模具在上基板401制备、下基板101制备以及最后封装时对上基板401和下基板101作用的曲面形状一直即可。
本发明实施例还提供了一种曲面电润湿显示器件，该曲面电润湿显示器件由上述任一实施例的加工方法制成。
作为一种实施例，如图13所示，曲面电润湿显示器件包括曲面型的上基板401和曲面型的下基板101，上基板401和下基板101曲面形状一致，上基板401和下基板101均采用镀ITO层104的PEN薄膜105的材料，上基板401和下基板101上附有TIO包膜的一侧相对设置，上基板401和下基板101之间涂覆有胶框601，使得通过上基板401、下基板101和胶框601形成封闭的容纳空间。下基板101上依次涂覆有疏水层102和光刻胶103后，在光刻胶103上设有像素墙106，在像素墙106之间设有油墨1102，且在容纳空间的剩余空间内充满电解液1101，且电解液1101和油墨1102不相溶。
在上述结构中，胶框601可以采用丙烯酸酯材料，油墨1102可以采用正十烷等有色油墨1102，像素墙106可以用负性光刻胶103制成，疏水层102可以由含氟聚合物材料制成。
上面结合附图对本发明实施例作了详细说明，但是本发明不限于上述实施例，在所属技术领域普通技术人员所具备的知识范围内，还可以在不脱离本发明宗旨的前提下作出各种变化。此外，在不冲突的情况下，本发明的实施例及实施例中的特征可以相互组合。

Claims (10)

  1. 一种电润湿显示器件制作方法，其特征在于，包括：
    S1：准备曲面型的上基板和曲面型的下基板；
    S2：对下基板填充电解液和油墨；
    S3：将上基板和下基板对位贴合，将所述上基板、所述下基板以及位于所述上基板和所述下基板之间的器件进行封装，形成曲面型的电润湿显示器件。
  2. 根据权利要求1所述的电润湿显示器件制作方法，其特征在于，在实施S3前，先在所述上基板设置胶框，通过所述胶框完成所述上基板和所述下基板的固定。
  3. 根据权利要求1所述的电润湿显示器件制作方法，其特征在于，在实施S1前，通过第一模具将衬底材料压合成曲面型的所述上基板和/或下基板，所述第一模具包括第一上模具和第一下模具，所述第一上模具包括第一曲面，所述第一下模具包括第二曲面，所述第一曲面和所述第二曲面形状一致。
  4. 根据权利要求3所述的电润湿显示器件制作方法，其特征在于，将衬底材料放置于所述第一曲面和所述第二曲面间，然后压合所述第一模具，形成曲面型的所述上基板。
  5. 根据权利要求3所述的电润湿显示器件制作方法，其特征在于，将衬底材料的一侧制备胶框，所述第二曲面与所述胶框贴附，所述第一曲面与所述上基板相对所述胶框的另一侧贴附，通过所述第一上模具和所述第一下模具的压合，形成连接有所述胶框的曲面型的所述上基板；所述第二曲面涂覆有疏水层后与所述胶框贴附。
  6. 根据权利要求3所述的电润湿显示器件制作方法，其特征在于，在S1中，在衬底材料上依次涂覆疏水层、光刻胶、像素墙后形成第一中间材料，采用第一模具压合所述第一中间材料；所将所述第一中间材料放置于所述第一曲面和所述第二曲面后压合所述第一模具，形成曲面型的所述下基板。
  7. 根据权利要求1所述的电润湿显示器件制作方法，其特征在于，第二模具包括第二上模具和第二下模具，所述第二上模具包括第三曲面，所述第二下模具包括第四曲面，所述第三曲面和所述第四曲面形状一致，所述第三曲面的曲线形状与所述上基板的曲面形状一致，所述第四曲面的曲线形状与所述下基板的曲线 形状一致，在S3中，将所述上基板与所述下基板对位贴合后，将曲面型所述第三曲面覆盖所述上基板，将所述第四曲面覆盖所述下基板，固定所述上基板和所述下基板一段时间后，取下所述上模具和所述下模具。
  8. 根据权利要求3所述的电润湿显示器件制作方法，其特征在于，将所述第一曲面覆盖所述上基板，将所述第二曲面覆盖所述下基板，固定所述第一上模具和所述第一下模具一段时间后，取下所述上模具和所述下模具。
  9. 一种曲面电润湿显示器件，其特征在于，所述曲面电润湿显示器由权利要求1至8中任意一项所述的电润湿显示器制作方法制成。
  10. 根据权利要求9所述的曲面电润湿显示器件，其特征在于，包括上基板、下基板和胶框，所述上基板和所述下基板通过所述胶框连接，形成封闭的容纳空间，所述下基板上依次涂覆疏水层、光刻胶和像素墙，所述像素墙之间具有油墨，所述容纳空间中充满电解液，所述上基板和所述下基板为曲面型结构。
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