WO2014029116A1 - 液晶面板的制作方法 - Google Patents

液晶面板的制作方法 Download PDF

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Publication number
WO2014029116A1
WO2014029116A1 PCT/CN2012/080682 CN2012080682W WO2014029116A1 WO 2014029116 A1 WO2014029116 A1 WO 2014029116A1 CN 2012080682 W CN2012080682 W CN 2012080682W WO 2014029116 A1 WO2014029116 A1 WO 2014029116A1
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Prior art keywords
protective layer
liquid crystal
crystal panel
substrate
alignment film
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PCT/CN2012/080682
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English (en)
French (fr)
Inventor
朱美娜
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深圳市华星光电技术有限公司
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Priority to US13/637,884 priority Critical patent/US9229255B2/en
Publication of WO2014029116A1 publication Critical patent/WO2014029116A1/zh

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    • 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
    • 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
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers

Definitions

  • the present invention relates to the field of liquid crystal panel production technology, and in particular to a method for fabricating a liquid crystal panel.
  • FIG. 1 is a prior art thin film transistor (Thin Film). Schematic diagram of the top view of the substrate of the Transistor, TFT).
  • the TFT substrate includes a glass substrate 10 formed with a sealant coating region 11 and an alignment film coating region 12, and the alignment film coating region 12 covers a display region (not shown).
  • the sealant coating area 11 is used for coating to form a sealant for using a TFT substrate and a color filter (Color) Filter, CF) substrate bonding; and the alignment film coating region 12 is used for coating to form an alignment film (PI).
  • PI alignment film
  • the prior art basically forms an alignment film by inkjet printing (inkjet) printing.
  • an alignment liquid is sprayed on the alignment film coating zone 12, and then the alignment liquid is baked and solidified to form an alignment film.
  • the alignment film after forming the alignment film, for example, after the alignment film is baked, it is generally required to wait for a cooling time (Q). After time), liquid crystal may be injected into the surface of the alignment film.
  • Q cooling time
  • the alignment film due to the action of moisture in the air, the alignment film is prone to hydrolysis reaction, which in turn affects the subsequent alignment ability of the liquid crystal, so that the formed liquid crystal panel has mura, and in the process, due to the air.
  • the particles falling on the surface of the alignment film may also cause chromatic aberration in the liquid crystal panel formed, thereby affecting the display effect of the liquid crystal panel.
  • An object of the present invention is to provide a method for fabricating a liquid crystal panel, which solves the problem that in the prior art, after forming an alignment film, the alignment film is hydrolyzed before the liquid crystal is injected or the particles in the air fall on the surface of the alignment film, resulting in There is a technical problem that the formed liquid crystal panel has a color difference.
  • the invention constructs a method for fabricating a liquid crystal panel, which comprises the following steps:
  • the first substrate is a thin film transistor array substrate
  • the protective layer is removed
  • Liquid crystal is injected onto the surface of the alignment film by a coating method, and the second substrate is bonded to the first substrate to form a liquid crystal panel.
  • the protective layer is formed of a high molecular polymer material.
  • the polymer material is a polyurethane material.
  • the step of removing the protective layer specifically includes:
  • a solvent is sprayed on the protective layer such that the protective layer is dissolved in the solvent and removed.
  • the step of removing the protective layer specifically includes:
  • the protective layer is heated to cause the protective layer to decompose.
  • the step of removing the protective layer specifically includes:
  • the protective layer is illuminated to cause the protective layer to decompose.
  • the cooling time ranges from 10 seconds to 30 seconds.
  • the second substrate is a color filter substrate.
  • Another object of the present invention is to provide a method for fabricating a liquid crystal panel, which solves the problem that in the prior art, after the alignment film is formed, the alignment film is hydrolyzed or the particles in the air fall on the surface of the alignment film before the liquid crystal is injected. There is a technical problem that causes a chromatic aberration in the liquid crystal panel formed.
  • the present invention constructs a method for fabricating a liquid crystal panel, comprising the following steps:
  • the protective layer is removed
  • Liquid crystal is injected into a surface of the alignment film, and the second substrate is bonded to the first substrate to form a liquid crystal panel.
  • the protective layer is formed of a high molecular polymer material.
  • the polymer material is a polyurethane material.
  • the step of forming the protective layer on the surface of the alignment film specifically includes:
  • the protective layer is formed on the surface of the alignment film by a coating method.
  • the step of removing the protective layer specifically includes:
  • a solvent is sprayed on the protective layer such that the protective layer is dissolved in the solvent and removed.
  • the step of removing the protective layer specifically includes:
  • the protective layer is heated to cause the protective layer to decompose.
  • the step of removing the protective layer specifically includes:
  • the protective layer is illuminated to cause the protective layer to decompose.
  • the predetermined cooling time ranges from 10 seconds to 30 seconds.
  • the first substrate is a thin film transistor array substrate.
  • the second substrate is a color filter substrate.
  • the present invention forms a protective layer on the surface of the alignment film before injecting the liquid crystal, which can effectively prevent the hydrolysis reaction of the alignment film and prolong the cooling time in the process;
  • the protective layer can block the particles in the air from falling on the surface of the alignment film, ensuring the cleanliness of the surface of the alignment film and improving the yield of the product.
  • FIG. 1 is a schematic top plan view of a TFT substrate in the present invention
  • FIG. 2 is a schematic flow chart of a method for fabricating a liquid crystal panel according to the present invention
  • FIG. 3 is a schematic top plan view of a TFT substrate before an alignment film is formed in the present invention.
  • FIG. 4 is a schematic top plan view showing a TFT substrate after forming an alignment film in the present invention
  • FIG. 5 is a schematic top plan view of a TFT substrate after forming a protective layer in the present invention
  • FIG. 6 is a schematic top plan view of a TFT substrate on which a sealant is formed in the present invention.
  • FIG. 2 is a schematic flow chart of a method for fabricating a liquid crystal panel according to the present invention.
  • step S201 a first substrate and a second substrate are provided.
  • the first substrate is, for example, a TFT substrate.
  • the first substrate includes a substrate 20, a sealant region 21, and an alignment region 22.
  • the second substrate is, for example, a CF substrate.
  • step S202 an alignment film 23 is formed on the alignment region 22 of the first substrate. Referring to FIG. 4 together, an alignment film 23 is formed on the surface of the first substrate.
  • the alignment film 23 can be formed by inkjet printing (inkjet) printing, that is, first, the alignment liquid is sprayed in the alignment area 22, and then the injection alignment liquid is solidified and baked to solidify the alignment liquid to form an alignment.
  • inkjet inkjet printing
  • step S203 a protective layer 24 is formed on the surface of the alignment film 23, please refer to 5 together.
  • the material of the protective layer 24 is preferably a high molecular polymer which has hydrolysis resistance characteristics, that is, does not react with moisture in the air.
  • the high molecular polymer material is a polyurethane material.
  • the material of the protective layer 24 can be decomposed under high temperature heating conditions, for example, the polyurethane material can be decomposed at 220 degrees Celsius, or the material of the protective layer 24 can be dissolved in a certain solvent.
  • the protective layer 24 is preferably formed by printing using a printing technique, and may of course be formed by other means, such as coating formation, etc., which will not be described in detail herein.
  • step S204 after the predetermined cooling time is reached, the protective layer 24 is removed and restored to the state shown in FIG.
  • the predetermined cooling time preferably ranges from 10 seconds to 30 seconds, for example 20 seconds, that is, after waiting for 20 seconds, the protective layer 24 is removed.
  • the protective layer 24 can be removed in two ways:
  • the protective layer 24 is heated at a high temperature to cause the protective layer 24 to be decomposed, thereby achieving removal of the protective layer 24.
  • the solvent is sprayed on the protective layer 24 so that the protective layer 24 is dissolved in the solvent and removed.
  • the material of the protective layer 24 is a polyurethane material
  • an ethyl acetate solvent may be sprayed on the protective layer 24 to dissolve the polyurethane material in an ethyl acetate solvent to form a liquid, and then the liquid is poured out from the substrate 20, thereby achieving Removal of the protective layer 24.
  • the protective layer 24 can be removed in other ways, such as directly removing the protective layer 24, or illuminating the protective layer 24 to decompose it, etc., which will not be enumerated here.
  • step S205 the sealant 25 is applied to the sealant region 21, please refer to FIG. 6 together.
  • liquid crystal is injected onto the alignment film 23, and the second substrate is bonded to the first substrate through the sealant 25 to form a liquid crystal panel, such as a TFT-LCD liquid crystal panel.
  • the present invention forms a protective layer 24 on the surface of the alignment film 23 before injecting the liquid crystal on the alignment film 23.
  • the protective layer 24 can effectively prevent the hydrolysis reaction of the alignment film 23 and prolong the cooling time between the processes.
  • the opaque phenomenon of the liquid crystal panel formed is avoided; and the protective layer 24 can isolate the particles in the air from falling on the surface of the alignment film 23, thereby ensuring the cleanliness of the surface of the alignment film 23, and also avoiding the chromatic aberration of the formed liquid crystal panel. The phenomenon further improves the yield of the liquid crystal panel.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Spectroscopy & Molecular Physics (AREA)

Abstract

一种液晶面板的制作方法,包括在第一基板上涂布形成配向膜(23);在配向膜(23)的表面形成一保护层(24);在到达预设的冷却时间后,将所述保护层(24)移除;在配向膜(23)的表面注入液晶,并将第二基板贴合连接第一基板,以形成液晶面板。该液晶面板的制作方法保证了配向膜(23)表面的洁净度,提高了产品良率。

Description

液晶面板的制作方法 技术领域
本发明涉及液晶面板生产技术领域,特别是涉及一种液晶面板的制作方法。
背景技术
随着液晶显示技术的不断发展,对液晶显示设备质量的要求越来越高。
请参阅图1,图1为现有技术中薄膜晶体管(Thin Film Transistor,TFT)基板的俯视结构示意图。
所述TFT基板包括玻璃基底10,所述玻璃基底10形成有框胶涂布区11和配向膜涂布区12,所述配向膜涂布区12覆盖显示区(图未绘出)。所述框胶涂布区11用于涂布形成框胶,该框胶用于将TFT基板和彩色滤光片(Color Filter,CF)基板粘接;而所述配向膜涂布区12用于涂布形成配向膜(PI)。
现有技术基本是通过配向膜喷印技术(inkjet)印刷形成配向膜,首先在所述配向膜涂布区12喷注配向液,之后将配向液烘烤固化形成配向膜。
在TFT-LCD制程中,在形成配向膜后,譬如在所述配向膜烘烤成型后,一般需等待一冷却时间(Q time)后,方可在所述配向膜的表面注入液晶。在此过程中,由于受到空气中水分的作用,配向膜容易发生水解反应,进而影响后续对液晶的配向能力,使得制作形成的液晶面板存在色差(mura),而且在此过程中,由于空气中的颗粒(particle)落在配向膜的表面,也会导致制作形成的液晶面板存在色差,进而影响液晶面板的显示效果。
综上,如何解决现有技术中在形成配向膜后,在注入液晶之前,配向膜发生水解反应或者空气中的颗粒落在配向膜的表面,导致制作形成的液晶面板存在色差的技术问题,是液晶面板生产技术领域研究的方向之一。
技术问题
本发明的一个目的在于提供一种液晶面板的制作方法,以解决现有技术中在形成配向膜后,在注入液晶之前,配向膜发生水解反应或者空气中的颗粒落在配向膜的表面,导致制作形成的液晶面板存在色差的技术问题。
技术解决方案
本发明构造了一种液晶面板的制作方法,其中包括以下步骤:
提供第一基板和第二基板,并在所述第一基板上涂布形成配向膜;其中所述第一基板为薄膜晶体管阵列基板;
在所述配向膜的表面形成一保护层;
在到达预设的冷却时间后,将所述保护层移除;
通过涂布方式在所述配向膜的表面注入液晶,并将所述第二基板贴合连接所述第一基板,以形成液晶面板。
在本发明一实施例中:所述保护层由高分子聚合物材料形成。
在本发明一实施例中:所述高分子聚合物材料为聚氨酯材料。
在本发明一实施例中:将所述保护层移除的步骤具体包括:
在所述保护层上喷洒溶剂,以使得所述保护层溶解在所述溶剂中并移除。
在本发明一实施例中:将所述保护层移除的步骤具体包括:
对所述保护层进行加热,以使得所述保护层分解。
在本发明一实施例中:将所述保护层移除的步骤具体包括:
对所述保护层进行光照,以使得所述保护层分解。
在本发明一实施例中:所述冷却时间的范围为10秒至30秒。
在本发明一实施例中:所述第二基板为彩色滤光片基板。
本发明的另一个目的在于提供一种液晶面板的制作方法,以解决现有技术中在形成配向膜后,在注入液晶之前,配向膜发生水解反应或者空气中的颗粒落在配向膜的表面,导致制作形成的液晶面板存在色差的技术问题。
为解决上述技术问题,本发明构造了一种液晶面板的制作方法,包括以下步骤:
提供第一基板和第二基板,并在所述第一基板上涂布形成配向膜;
在所述配向膜的表面形成一保护层;
在到达预设的冷却时间后,将所述保护层移除;
在所述配向膜的表面注入液晶,并将所述第二基板贴合连接所述第一基板,以形成液晶面板。
在本发明一实施例中:所述保护层由高分子聚合物材料形成。
在本发明一实施例中:所述高分子聚合物材料为聚氨酯材料。
在本发明一实施例中:在所述配向膜的表面形成所述保护层的步骤具体包括:
通过涂布方式在所述配向膜的表面形成所述保护层。
在本发明一实施例中:将所述保护层移除的步骤具体包括:
在所述保护层上喷洒溶剂,以使得所述保护层溶解在所述溶剂中并移除。
在本发明一实施例中:将所述保护层移除的步骤具体包括:
对所述保护层进行加热,以使得所述保护层分解。
在本发明一实施例中:将所述保护层移除的步骤具体包括:
对所述保护层进行光照,以使得所述保护层分解。
在本发明一实施例中:所述预定的冷却时间的范围为10秒至30秒。
在本发明一实施例中:所述第一基板为薄膜晶体管阵列基板。
在本发明一实施例中:所述第二基板为彩色滤光片基板。
有益效果
相对于现有技术,本发明在形成配向膜之后,在注入液晶之前,在配向膜的表面形成一保护层,该保护层可以有效的防止配向膜发生水解反应,延长制程中的冷却时间;而且保护层可隔绝空气中的颗粒(particle)落在配向膜的表面,保证了配向膜表面的洁净度,提高了产品良率。
附图说明
图1为本发明中TFT基板的俯视结构示意图;
图2为本发明中液晶面板的制作方法的流程示意图;
图3为本发明中未形成配向膜之前的TFT基板的俯视结构示意图;
图4为本发明中形成配向膜后的TFT基板的俯视结构示意图;
图5为本发明中形成保护层后的TFT基板的俯视结构示意图;
图6为本发明中形成框胶的TFT基板的俯视结构示意图。
本发明的最佳实施方式
以下各实施例的说明是参考附加的图式,用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语,例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本发明,而非用以限制本发明。在图中,结构相似的单元是以相同标号表示。
图2为本发明中液晶面板的制作方法的流程示意图。
在步骤S201中,提供第一基板和第二基板。
所述第一基板譬如为TFT基板,请一并参阅图3,该第一基板包括有基底20、框胶区21以及配向区22。所述第二基板譬如为CF基板。
在步骤S202中,在所述第一基板的配向区22涂布形成配向膜23,请一并参阅图4,所述第一基板的表面形成有配向膜23。
在具体实施过程中,可通过配向膜喷印技术(inkjet)印刷形成配向膜23,即首先在配向区22喷注配向液,之后将喷注的配向液固化烘烤以使得配向液固化形成配向膜23。
在步骤S203中,在配向膜23表面形成一保护层24,请一并参阅5。
本发明中,保护层24的材料优选为高分子聚合物,该高分子聚合物具有耐水解的特性,即不与空气中的水分发生反应。譬如所述高分子聚合物材料为聚氨酯材料。而且,保护层24的材料可在高温加热条件下分解,譬如聚氨酯材料可在220摄氏度条件下分解,或者保护层24的材料可溶解于某一溶剂。
保护层24优选使用喷印技术印刷形成,当然也可以通过其它方式形成,譬如涂布形成等,此处不一一详述。
在步骤S204中,在到达预定的冷却时间后,将保护层24移除,恢复到图4所示的状态。
所述预定的冷却时间的范围优选为10秒至30秒,譬如为20秒,即在等待20秒后,将保护层24移除。
在具体实施过程中,可以通过以下两种方式将保护层24移除:
第一,对保护层24进行高温加热,以使得保护层24分解,从而实现对保护层24的移除。
第二,在保护层24喷洒溶剂,以使得保护层24溶解于所述溶剂中并移除。譬如当保护层24的材料为聚氨酯材料时,可以在保护层24喷洒醋酸乙酯溶剂,以使得聚氨酯材料溶解在醋酸乙酯溶剂中形成液体,之后将该液体从基底20倒出,从而实现对保护层24的移除。
当然还可以有其它的方式将所述保护层24移除,譬如直接将保护层24刻蚀移除,或者对保护层24进行光照使之分解等,此处不再一一列举。
在步骤S205中,在框胶区21涂布形成框胶25,请一并参阅图6。同时在配向膜23上注入液晶,将所述第二基板通过框胶25粘接所述第一基板,进而形成液晶面板,譬如形成TFT-LCD液晶面板。
本发明在形成配向膜23之后,在配向膜23上注入液晶之前,在配向膜23的表面形成保护层24,保护层24可以有效的防止配向膜23发生水解反应,延长制程之间的冷却时间,避免形成的液晶面板出现色差现象;而且保护层24可隔绝空气中的颗粒(particle)落在配向膜23的表面,保证了配向膜23表面的洁净度,同样可避免形成的液晶面板出现色差现象,进而提高了液晶面板的良率。
综上所述,虽然本发明已以优选实施例揭露如上,但上述优选实施例并非用以限制本发明,本领域的普通技术人员,在不脱离本发明的精神和范围内,均可作各种更动与润饰,因此本发明的保护范围以权利要求界定的范围为准。
本发明的实施方式
工业实用性
序列表自由内容

Claims (18)

  1. 一种液晶面板的制作方法,其中包括以下步骤:
    提供第一基板和第二基板,并在所述第一基板上涂布形成配向膜;其中所述第一基板为薄膜晶体管阵列基板;
    在所述配向膜的表面形成一保护层;
    在到达预设的冷却时间后,将所述保护层移除;
    通过涂布方式在所述配向膜的表面注入液晶,并将所述第二基板贴合连接所述第一基板,以形成液晶面板。
  2. 根据权利要求1所述的液晶面板的制作方法,其中所述保护层由高分子聚合物材料形成。
  3. 根据权利要求2所述的液晶面板的制作方法,其中所述高分子聚合物材料为聚氨酯材料。
  4. 根据权利要求1所述的液晶面板的制作方法,其中将所述保护层移除的步骤具体包括:
    在所述保护层上喷洒溶剂,以使得所述保护层溶解在所述溶剂中并移除。
  5. 根据权利要求1所述的液晶面板的制作方法,其中将所述保护层移除的步骤具体包括:
    对所述保护层进行加热,以使得所述保护层分解。
  6. 根据权利要求1所述的液晶面板的制作方法,其中将所述保护层移除的步骤具体包括:
    对所述保护层进行光照,以使得所述保护层分解。
  7. 根据权利要求1所述的液晶面板的制作方法,其中所述冷却时间的范围为10秒至30秒。
  8. 根据权利要求1所述的液晶面板的制作方法,其中所述第二基板为彩色滤光片基板。
  9. 一种液晶面板的制作方法,其中包括以下步骤:
    提供第一基板和第二基板,并在所述第一基板上涂布形成配向膜;
    在所述配向膜的表面形成一保护层;
    在到达预设的冷却时间后,将所述保护层移除;
    在所述配向膜的表面注入液晶,并将所述第二基板贴合连接所述第一基板,以形成液晶面板。
  10. 根据权利要求9所述的液晶面板的制作方法,其中所述保护层由高分子聚合物材料形成。
  11. 根据权利要求10所述的液晶面板的制作方法,其中所述高分子聚合物材料为聚氨酯材料。
  12. 根据权利要求9所述的液晶面板的制作方法,其中在所述配向膜的表面形成所述保护层的步骤具体包括:
    通过涂布方式在所述配向膜的表面形成所述保护层。
  13. 根据权利要求9所述的液晶面板的制作方法,其中将所述保护层移除的步骤具体包括:
    在所述保护层上喷洒溶剂,以使得所述保护层溶解在所述溶剂中并移除。
  14. 根据权利要求9所述的液晶面板的制作方法,其中将所述保护层移除的步骤具体包括:
    对所述保护层进行加热,以使得所述保护层分解。
  15. 根据权利要求9所述的液晶面板的制作方法,其中将所述保护层移除的步骤具体包括:
    对所述保护层进行光照,以使得所述保护层分解。
  16. 根据权利要求9所述的液晶面板的制作方法,其中所述冷却时间的范围为10秒至30秒。
  17. 根据权利要求9所述的液晶面板的制作方法,其中所述第一基板为薄膜晶体管阵列基板。
  18. 根据权利要求9所述的液晶面板的制作方法,其中所述第二基板为彩色滤光片基板。
PCT/CN2012/080682 2012-08-22 2012-08-29 液晶面板的制作方法 WO2014029116A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2705552B2 (ja) * 1993-12-27 1998-01-28 日本電気株式会社 液晶配向膜の形成方法
JPH1195180A (ja) * 1997-09-16 1999-04-09 Seiko Epson Corp 液晶電気光学装置の製造方法
JP2009075190A (ja) * 2007-09-19 2009-04-09 Seiko Epson Corp 液晶装置の製造方法
US20100014036A1 (en) * 2008-07-15 2010-01-21 Commissariat A L'energie Atomique Alignment layer of liquid crystals deposited and rubbed before making microstructures
CN102127457A (zh) * 2010-12-30 2011-07-20 深圳超多维光电子有限公司 一种配向层材料、配向层、双折射液晶薄膜及其制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2705552B2 (ja) * 1993-12-27 1998-01-28 日本電気株式会社 液晶配向膜の形成方法
JPH1195180A (ja) * 1997-09-16 1999-04-09 Seiko Epson Corp 液晶電気光学装置の製造方法
JP2009075190A (ja) * 2007-09-19 2009-04-09 Seiko Epson Corp 液晶装置の製造方法
US20100014036A1 (en) * 2008-07-15 2010-01-21 Commissariat A L'energie Atomique Alignment layer of liquid crystals deposited and rubbed before making microstructures
CN102127457A (zh) * 2010-12-30 2011-07-20 深圳超多维光电子有限公司 一种配向层材料、配向层、双折射液晶薄膜及其制造方法

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