WO2018133135A1 - 一种曲面液晶面板强度的增强方法 - Google Patents

一种曲面液晶面板强度的增强方法 Download PDF

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WO2018133135A1
WO2018133135A1 PCT/CN2017/073339 CN2017073339W WO2018133135A1 WO 2018133135 A1 WO2018133135 A1 WO 2018133135A1 CN 2017073339 W CN2017073339 W CN 2017073339W WO 2018133135 A1 WO2018133135 A1 WO 2018133135A1
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tensile stress
liquid crystal
crystal panel
curved liquid
stress region
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李家鑫
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US15/513,558 priority Critical patent/US20180203282A1/en
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    • 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

Definitions

  • the present invention relates to the field of liquid crystal display, and in particular to a method for enhancing the strength of a curved liquid crystal panel.
  • the method of strengthening the strength of the glass substrate is generally strengthened by a chemical method, that is, a compressive stress layer is formed on the surface of the glass substrate by an ion exchange method.
  • a chemical method that is, a compressive stress layer is formed on the surface of the glass substrate by an ion exchange method.
  • Typical examples are Corning's cell phone cover glass.
  • the curved liquid crystal panel is an alkali-free glass, and this method cannot be used, and a separate path is required. This problem needs to be solved urgently.
  • the object of the present invention is to provide a method for enhancing the strength of a curved liquid crystal panel, so as to solve the problem in the prior art that the curved liquid crystal panel is susceptible to water vapor erosion in the region where the tensile stress is the largest, thereby causing the growth of microcracks thereon, and finally The problem of broken surface LCD panel.
  • a method for enhancing the strength of a curved liquid crystal panel comprising the steps of:
  • a water vapor barrier coating having a function of preventing water vapor erosion is applied to the tensile stress region and its periphery.
  • the volume of the water vapor barrier coating applied around the tensile stress region is determined according to the length and width of the tensile stress region.
  • the method further includes:
  • microcracks of the tensile stress region are removed to apply the water vapor barrier coating to the tensile stress regions.
  • the microcracks of the tensile stress region are removed using a corrosive material that corrodes the curved liquid crystal panel.
  • the corrosive material is hydrofluoric acid, and the volume of the hydrofluoric acid used is determined according to the depth of the microcrack.
  • the waterproofing coating is applied to the tensile stress region and the periphery thereof, and further comprising coating the waterproofing at a chamfer of the curved liquid crystal panel at upper and lower ends corresponding to the tensile stress region. Steam coating.
  • the material of the waterproof vapor coating is epoxy resin or metal powder.
  • the tensile stress region of the maximum tensile stress of the curved liquid crystal panel is determined by a computer simulation model.
  • the curved liquid crystal panel comprises an array substrate and a color filter substrate facing each other, wherein the array substrate is subjected to tensile stress, the color filter substrate is subjected to compressive stress, and the tensile stress region is located on the array substrate. on.
  • the curved liquid crystal panel is a plexiglass panel, and the tensile stress region is located at a curved region where the curvature of the array substrate is the largest.
  • a method for enhancing the strength of a curved liquid crystal panel comprising the steps of:
  • the volume of the water vapor barrier coating applied to the periphery of the tensile stress region is determined according to the length and width of the tensile stress region.
  • the microcracks of the tensile stress region are removed using a corrosive material that corrodes the curved liquid crystal panel.
  • the corrosive material is hydrofluoric acid, and the volume of the hydrofluoric acid used is determined according to the depth of the microcrack.
  • the waterproofing coating is applied to the tensile stress region and the periphery thereof, and further comprising coating the waterproofing at a chamfer of the curved liquid crystal panel at upper and lower ends corresponding to the tensile stress region. Steam coating.
  • the material of the waterproof vapor coating is epoxy resin or metal powder.
  • the tensile stress region of the maximum tensile stress of the curved liquid crystal panel is determined by a computer simulation model.
  • the curved liquid crystal panel comprises an array substrate and a color filter substrate facing each other, wherein the array substrate is subjected to tensile stress, the color filter substrate is subjected to compressive stress, and the tensile stress region is located on the array substrate. on.
  • the curved liquid crystal panel is a plexiglass panel, and the tensile stress region is located at a curved region where the curvature of the array substrate is the largest.
  • the method for enhancing the strength of the curved liquid crystal panel of the invention can greatly increase the strength of the curved liquid crystal panel by coating the water-repellent vapor coating on the tensile stress region and its periphery, and greatly reduce the risk of fracture.
  • FIG. 1 is a flow chart showing steps of implementing a method for enhancing the strength of a curved liquid crystal panel according to an embodiment of the present invention.
  • the liquid crystal display panel is made of plexiglass.
  • the plexiglass has a high transmittance, can reach 92% or more, is light and not brittle, and is widely used in machine panels or baffles.
  • the glass substrate is sensitive to tensile stress, and the stress caused by bending and pulling and temperature is easy to cause the glass to break, and the stress value of the damage is the breaking strength of the glass. Theoretically, the glass substrate has an extremely high breaking strength, and it takes up to 10 Gpa of stress to cut off its Si-O bond. However, the strength of the glass substrate is actually only 1% or less of the theoretical value due to microcracks on the surface of the glass substrate.
  • the liquid crystal display panel is an organic glass
  • a chemical method for strengthening the strength of the glass substrate that is, a compressive stress layer is formed on the surface of the glass substrate by an ion exchange method
  • the present invention proposes the following technical solution for enhancing the strength of the curved liquid crystal panel.
  • FIG. 1 is a flow chart of steps for implementing a method for enhancing the strength of a curved liquid crystal panel according to an embodiment of the present invention.
  • a method for enhancing the strength of a curved liquid crystal panel of the present invention comprises the following steps:
  • Step S101 determining a tensile stress region of the maximum tensile stress of the curved liquid crystal panel.
  • Step S102 Calculating the length and width of the tensile stress region.
  • Step S103 removing microcracks in the tensile stress region to apply the waterproof vapor coating layer in the tensile stress region.
  • Step S104 coating the tensile stress region and its periphery with a waterproof vapor coating layer for preventing water vapor erosion.
  • the volume of the water vapor barrier coating applied around the tensile stress region is determined according to the length and width of the tensile stress region. This involves a limit problem. According to the empirical value, the edge of the tensile stress region will be considered. At the edge of the tensile stress region, some waterproof vapor coating should be applied to prevent the edge portion from cracking.
  • the microcracks in the tensile stress region are removed using a corrosive material that corrodes the curved liquid crystal panel.
  • the corrosive material can etch away the microcracks such that the surface of the tensile stress region is recessed to facilitate coating of the water vapor barrier coating.
  • the corrosive material is hydrofluoric acid
  • the volume of the hydrofluoric acid used is determined according to the depth of the microcrack. It needs to be processed according to empirical values. The experience is that a certain amount of hydrofluoric acid corrodes microcracks of a certain depth or thickness.
  • Hydrofluoric acid has the ability to dissolve oxides and plays an important role in the purification of aluminum and uranium. Hydrofluoric acid is also used to etch glass, engraving patterns, marking scales and text; the semiconductor industry uses it to remove oxides from silicon surfaces, which can be used in alkylation of isobutane and n-butene in refineries. The catalyst also uses hydrofluoric acid during the "soaking" process of removing oxygen-containing impurities from the surface of the stainless steel. Hydrofluoric acid is also used in the synthesis of a variety of fluoroorganic compounds, such as Teflon (polytetrafluoroethylene) and refrigerants such as Freon.
  • Teflon polytetrafluoroethylene
  • Freon refrigerants
  • the waterproofing coating is applied to the tensile stress region and the periphery thereof, and further includes coating at a chamfer of the curved liquid crystal panel at upper and lower ends corresponding to the tensile stress region.
  • the waterproof vapor coating Because the tensile stress region corresponds to the upper and lower ends of the curved liquid crystal panel at the chamfered portion where the tensile stress is large, it is relatively easy to break.
  • the material of the waterproof vapor coating is epoxy resin or metal powder.
  • Epoxy resin refers to an organic compound containing two or more epoxy groups in a molecule, and their relative molecular masses are not high except for a few.
  • the molecular structure of the epoxy resin is characterized by the presence of an active epoxy group in the molecular chain, and the epoxy group may be located at the end, in the middle or in a ring structure of the molecular chain. Since the molecular structure contains an active epoxy group, they can be cross-linked with various types of curing agents to form an insoluble polymer having a three-dimensional network structure.
  • a polymer compound containing an epoxy group in a molecular structure is collectively referred to as an epoxy resin.
  • the cured epoxy resin has good physical and chemical properties.
  • the metal powder is a loose material whose properties reflect the nature of the metal itself and the properties of the individual particles and the characteristics of the particle group.
  • the properties of metal powders are generally classified into chemical properties, physical properties, and process properties.
  • Chemical properties refer to metal content and impurity content.
  • Physical properties include the average particle size and particle size distribution of the powder, the specific surface and true density of the powder, the shape of the particles, the surface topography and the internal microstructure.
  • Process performance is a combination of properties including powder flow, bulk density, tap density, compressibility, formability and sintering dimensional changes.
  • powders are required to have other chemical and physical properties, such as catalytic properties, electrochemical activity, corrosion resistance, electromagnetic properties, and internal friction coefficients, for certain special applications.
  • the tensile stress region of the maximum tensile stress of the curved liquid crystal panel is determined by a computer simulation model. The steps are first to build a model on the computer, then mesh it (discrete), and finally apply a forced displacement based on the curvature of the design.
  • the curved liquid crystal panel includes an array substrate and a color filter substrate which are opposite to each other, wherein the array substrate is subjected to tensile stress, and the color filter substrate is subjected to compressive stress, and the tensile stress region is located at On the array substrate.
  • the curved liquid crystal panel is an organic glass panel, and the tensile stress region is located in a curved region where the curvature of the array substrate is the largest.
  • the method for enhancing the strength of the curved liquid crystal panel of the invention can greatly increase the strength of the curved liquid crystal panel by coating the water-repellent vapor coating on the tensile stress region and its periphery, and greatly reduce the risk of fracture.

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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)

Abstract

一种曲面液晶面板强度的增强方法，包括步骤：确定所述曲面液晶面板所受最大拉应力的拉应力区域（S101）；计算拉应力区域的长度及宽度（S102）；清除拉应力区域的微裂纹（S103）；以及在拉应力区域及其周边涂覆具有防止水汽侵蚀作用的防水汽涂层（S104）。该方法可以大大增加曲面液晶面板的强度，使其断裂风险大大的降低。

Description

一种曲面液晶面板强度的增强方法 技术领域
本发明涉及液晶显示领域，特别涉及一种曲面液晶面板强度的增强方法。
 背景技术
随着曲面电视曲率的不断增加，玻璃基板在长期弯曲应力下的断裂成为了需要重点评估的问题。虽然组装后立即发生玻璃基板断裂的例子很少，但曲面电视在组装完成数月后曲面液晶面板突然断裂的状况却时有发生。这是由材料的疲劳所引起，由于玻璃基板的强度主要决定于玻璃基板端面的微裂纹，微裂纹在长期弯曲造成的拉应力作用下不断生长，进而发生失稳扩展，最终导致玻璃基板由于应力腐蚀而断裂。在断裂发生过程中，曲面液晶面板端面的微裂纹是引起断裂的极重要因素。应力腐蚀起主要作用的是化学机制，其中水汽有重要的作用，水汽会腐蚀玻璃基板中的Si-O键。
加强玻璃基板强度的方法一般是通过化学方法来强化，即通过离子交换法在玻璃基板表面制造压应力层。典型例子如康宁的手机盖板玻璃。然而曲面液晶面板为无碱玻璃，无法使用这一方法，需要另辟蹊径。这个问题亟待解决。
 技术问题
本发明的目的在于提供一种曲面液晶面板强度的增强方法，以解决现有技术中，曲面液晶面板在其拉应力最大的区域容易受到水汽侵蚀，进而导致其上的微裂纹的生长，最终使得曲面液晶面板断裂的问题。
 技术解决方案
本发明的技术方案如下：
一种曲面液晶面板强度的增强方法，其包括以下步骤：
1）确定所述曲面液晶面板所受最大拉应力的拉应力区域；
2）计算所述拉应力区域的长度及宽度；
3）在所述拉应力区域及其周边涂覆具有防止水汽侵蚀作用的防水汽涂层。
优选地，在所述拉应力区域的周边涂覆的所述防水汽涂层的体积，根据所述拉应力区域的长度及宽度来决定。
优选地，在所述拉应力区域及其周边涂覆具有防止水汽侵蚀作用的防水汽涂层之前，还包括：
清除所述拉应力区域的微裂纹，以在所述拉应力区域涂覆所述防水汽涂层。
优选地，使用可腐蚀所述曲面液晶面板的腐蚀材料对所述拉应力区域的所述微裂纹进行清除。
优选地，所述腐蚀材料为氢氟酸，且使用所述氢氟酸的体积根据所述微裂纹的深度来决定。
优选地，在所述拉应力区域及其周边涂覆所述防水汽涂层的同时，还包括在所述拉应力区域对应的上下两端的所述曲面液晶面板的倒角处涂覆所述防水汽涂层。
优选地，所述防水汽涂层的材料为环氧树脂或金属粉末。
优选地，通过计算机仿真模型来确定所述曲面液晶面板所受最大拉应力的拉应力区域。
优选地，所述曲面液晶面板包括相互对盒的阵列基板与彩膜基板，其中所述阵列基板受到拉应力作用，所述彩膜基板受到压应力作用，所述拉应力区域位于所述阵列基板上。
优选地，所述曲面液晶面板为有机玻璃面板，所述拉应力区域位于所述阵列基板曲率最大的弯曲区域。
一种曲面液晶面板强度的增强方法，其包括以下步骤：
1）确定所述曲面液晶面板所受最大拉应力的拉应力区域；
2）计算所述拉应力区域的长度及宽度；
3）清除所述拉应力区域的微裂纹，以在所述拉应力区域涂覆所述防水汽涂层；
4）在所述拉应力区域及其周边涂覆具有防止水汽侵蚀作用的防水汽涂层；
其中在所述拉应力区域的周边涂覆的所述防水汽涂层的体积，根据所述拉应力区域的长度及宽度来决定。
优选地，使用可腐蚀所述曲面液晶面板的腐蚀材料对所述拉应力区域的所述微裂纹进行清除。
优选地，所述腐蚀材料为氢氟酸，且使用所述氢氟酸的体积根据所述微裂纹的深度来决定。
优选地，在所述拉应力区域及其周边涂覆所述防水汽涂层的同时，还包括在所述拉应力区域对应的上下两端的所述曲面液晶面板的倒角处涂覆所述防水汽涂层。
优选地，所述防水汽涂层的材料为环氧树脂或金属粉末。
优选地，通过计算机仿真模型来确定所述曲面液晶面板所受最大拉应力的拉应力区域。
优选地，所述曲面液晶面板包括相互对盒的阵列基板与彩膜基板，其中所述阵列基板受到拉应力作用，所述彩膜基板受到压应力作用，所述拉应力区域位于所述阵列基板上。
优选地，其特征在于，所述曲面液晶面板为有机玻璃面板，所述拉应力区域位于所述阵列基板曲率最大的弯曲区域。
 有益效果
本发明的有益效果：
本发明的一种曲面液晶面板强度的增强方法，通过在拉应力区域及其周边涂覆防水汽涂层，可以大大增加曲面液晶面板的强度，大大的降低其断裂风险。
 附图说明
图1为本发明实施例的一种曲面液晶面板强度的增强方法实施步骤流程图。
 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。
实施例一
液晶显示面板是有机玻璃，有机玻璃透光率高，能达到92%以上，重量轻不易碎，大量应用于机器面板或档板。玻璃基板对于拉应力很敏感，弯曲和拉扯以及温度导致的应力都很容易使玻璃产生断裂，其破坏的应力值就是玻璃的破坏强度。从理论上来说，玻璃基板具有极高的破坏强度，切断其Si-O键需要高达10Gpa的应力。但是实际上玻璃基板的强度仅有理论值的1％或者更低，原因就在于玻璃基板表面的微裂纹。玻璃基板表面存在很多微米级别的微裂纹，在拉应力状态下，微裂纹会快速的生长。同时，微裂纹的尖端会出现明显的应力集中，这就是玻璃基板的强度远远低于理论值的原因。另外，在高温高湿下，这种状况会加剧，因此需要对玻璃基板进行防止水汽的处理。
由于液晶显示面板是有机玻璃，一般加强玻璃基板强度采用的化学方法（即通过离子交换法在玻璃基板表面制造压应力层）无法使用，故本发明提出以下加强曲面液晶面板强度的技术方案。
请参考图1，图1为本实施例的一种曲面液晶面板强度的增强方法实施步骤流程图。从图1可以看到，本发明的一种曲面液晶面板强度的增强方法，包括以下步骤：
步骤S101：确定所述曲面液晶面板所受最大拉应力的拉应力区域。
步骤S102：计算所述拉应力区域的长度及宽度。
步骤S103：清除所述拉应力区域的微裂纹，以在所述拉应力区域涂覆所述防水汽涂层。
步骤S104：在所述拉应力区域及其周边涂覆具有防止水汽侵蚀作用的防水汽涂层。
在本实施例中，在所述拉应力区域的周边涂覆的所述防水汽涂层的体积，根据所述拉应力区域的长度及宽度来决定。这里涉及到一个极限问题，根据经验值会考虑拉应力区域边缘的情况，在拉应力区域边缘也要涂覆一些防水汽涂层，防止边缘部分裂开。
在本实施例中，使用可腐蚀所述曲面液晶面板的腐蚀材料对所述拉应力区域的所述微裂纹进行清除。该腐蚀材料可以将所述微裂纹腐蚀掉，使得拉应力区域的表面凹下一小块，以方便涂覆所述防水汽涂层。
在本实施例中，所述腐蚀材料为氢氟酸，且使用所述氢氟酸的体积根据所述微裂纹的深度来决定。这里需要根据经验值来处理，其经验是一定量的氢氟酸腐蚀一定深度或厚度的微裂纹。
氢氟酸具有溶解氧化物的能力，它在铝和铀的提纯中起着重要作用。氢氟酸也用来蚀刻玻璃，可以雕刻图案、标注刻度和文字；半导体工业使用它来除去硅表面的氧化物，在炼油厂中它可以用作异丁烷和正丁烯的烷基化反应的催化剂，除去不锈钢表面的含氧杂质的“浸酸”过程中也会用到氢氟酸。氢氟酸也用于多种含氟有机物的合成，比如Teflon(聚四氟乙烯）还有氟利昂一类的致冷剂。
在本实施例中，在所述拉应力区域及其周边涂覆所述防水汽涂层的同时，还包括在所述拉应力区域对应的上下两端的所述曲面液晶面板的倒角处涂覆所述防水汽涂层。因为所述拉应力区域对应的上下两端的所述曲面液晶面板的倒角处时受到拉应力较大的地方，比较容易断裂。
在本实施例中，所述防水汽涂层的材料为环氧树脂或金属粉末。环氧树脂是泛指分子中含有两个或两个以上环氧基团的有机化合物，除个别外，它们的相对分子质量都不高。环氧树脂的分子结构是以分子链中含有活泼的环氧基团为其特征，环氧基团可以位于分子链的末端、中间或成环状结构。由于分子结构中含有活泼的环氧基团，使它们可与多种类型的固化剂发生交联反应而形成不溶的具有三向网状结构的高聚物。凡分子结构中含有环氧基团的高分子化合物统称为环氧树脂。固化后的环氧树脂具有良好的物理、化学性能，它对金属和非金属材料的表面具有优异的粘接强度，介电性能良好，变形收缩率小，制品尺寸稳定性好，硬度高，柔韧性较好，对碱及大部分溶剂稳定，因而广泛应用于国防、国民经济各部门，作浇注、浸渍、层压料、粘接剂、涂料等用途。
金属粉末属于松散状物质，其性能综合反映了金属本身的性质和单个颗粒的性状及颗粒群的特性。一般将金属粉末的性能分为化学性能、物理性能和工艺性能。化学性能是指金属含量和杂质含量。物理性能包括粉末的平均粒度和粒度分布，粉末的比表面和真密度，颗粒的形状、表面形貌和内部显微结构。工艺性能是一种综合性能，包括粉末的流动性、松装密度、振实密度、压缩性、成形性和烧结尺寸变化等。此外，对某些特殊用途还要求粉末具有其他的化学和物理特性，如催化性能、电化学活性、耐蚀性能、电磁性能、内摩擦系数等。
在本实施例中，通过计算机仿真模型来确定所述曲面液晶面板所受最大拉应力的拉应力区域。其步骤首先在计算机上建立一个模型，然后将其划分网格（离散化），最后根据设计的曲率施加强制位移来计算。
在本实施例中，所述曲面液晶面板包括相互对盒的阵列基板与彩膜基板，其中所述阵列基板受到拉应力作用，所述彩膜基板受到压应力作用，所述拉应力区域位于所述阵列基板上。
在本实施例中，所述曲面液晶面板为有机玻璃面板，所述拉应力区域位于所述阵列基板曲率最大的弯曲区域。
本发明的一种曲面液晶面板强度的增强方法，通过在拉应力区域及其周边涂覆防水汽涂层，可以大大增加曲面液晶面板的强度，大大的降低其断裂风险。
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。

Claims (18)

  1. 一种曲面液晶面板强度的增强方法，其包括以下步骤：
    1）确定所述曲面液晶面板所受最大拉应力的拉应力区域；
    2）计算所述拉应力区域的长度及宽度；
    3）在所述拉应力区域及其周边涂覆具有防止水汽侵蚀作用的防水汽涂层。
  2. 根据权利要求1所述的曲面液晶面板强度的增强方法，其中在所述拉应力区域的周边涂覆的所述防水汽涂层的体积，根据所述拉应力区域的长度及宽度来决定。
  3. 根据权利要求1所述的曲面液晶面板强度的增强方法，其中在所述拉应力区域及其周边涂覆具有防止水汽侵蚀作用的防水汽涂层之前，还包括：
    清除所述拉应力区域的微裂纹，以在所述拉应力区域涂覆所述防水汽涂层。
  4. 根据权利要求3所述的曲面液晶面板强度的增强方法，其中使用可腐蚀所述曲面液晶面板的腐蚀材料对所述拉应力区域的所述微裂纹进行清除。
  5. 根据权利要求4所述的曲面液晶面板强度的增强方法，其中所述腐蚀材料为氢氟酸，且使用所述氢氟酸的体积根据所述微裂纹的深度来决定。
  6. 根据权利要求1所述的曲面液晶面板强度的增强方法，其中在所述拉应力区域及其周边涂覆所述防水汽涂层的同时，还包括在所述拉应力区域对应的上下两端的所述曲面液晶面板的倒角处涂覆所述防水汽涂层。
  7. 根据权利要求1所述的曲面液晶面板强度的增强方法，其中所述防水汽涂层的材料为环氧树脂或金属粉末。
  8. 根据权利要求1所述的曲面液晶面板强度的增强方法，其中通过计算机仿真模型来确定所述曲面液晶面板所受最大拉应力的拉应力区域。
  9. 根据权利要求1所述的曲面液晶面板强度的增强方法，其中所述曲面液晶面板包括相互对盒的阵列基板与彩膜基板，其中所述阵列基板受到拉应力作用，所述彩膜基板受到压应力作用，所述拉应力区域位于所述阵列基板上。
  10. 根据权利要求9所述的曲面液晶面板强度的增强方法，其中所述曲面液晶面板为有机玻璃面板，所述拉应力区域位于所述阵列基板曲率最大的弯曲区域。
  11. 一种曲面液晶面板强度的增强方法，其包括以下步骤：
    1）确定所述曲面液晶面板所受最大拉应力的拉应力区域；
    2）计算所述拉应力区域的长度及宽度；
    3）清除所述拉应力区域的微裂纹，以在所述拉应力区域涂覆所述防水汽涂层；
    4）在所述拉应力区域及其周边涂覆具有防止水汽侵蚀作用的防水汽涂层；
    其中在所述拉应力区域的周边涂覆的所述防水汽涂层的体积，根据所述拉应力区域的长度及宽度来决定。
  12. 根据权利要求11所述的曲面液晶面板强度的增强方法，其中使用可腐蚀所述曲面液晶面板的腐蚀材料对所述拉应力区域的所述微裂纹进行清除。
  13. 根据权利要求12所述的曲面液晶面板强度的增强方法，其中所述腐蚀材料为氢氟酸，且使用所述氢氟酸的体积根据所述微裂纹的深度来决定。
  14. 根据权利要求11所述的曲面液晶面板强度的增强方法，其中在所述拉应力区域及其周边涂覆所述防水汽涂层的同时，还包括在所述拉应力区域对应的上下两端的所述曲面液晶面板的倒角处涂覆所述防水汽涂层。
  15. 根据权利要求11所述的曲面液晶面板强度的增强方法，其中所述防水汽涂层的材料为环氧树脂或金属粉末。
  16. 根据权利要求11所述的曲面液晶面板强度的增强方法，其中通过计算机仿真模型来确定所述曲面液晶面板所受最大拉应力的拉应力区域。
  17. 根据权利要求11所述的曲面液晶面板强度的增强方法，其中所述曲面液晶面板包括相互对盒的阵列基板与彩膜基板，其中所述阵列基板受到拉应力作用，所述彩膜基板受到压应力作用，所述拉应力区域位于所述阵列基板上。
  18. 根据权利要求17所述的曲面液晶面板强度的增强方法，其中所述曲面液晶面板为有机玻璃面板，所述拉应力区域位于所述阵列基板曲率最大的弯曲区域。
PCT/CN2017/073339 2017-01-18 2017-02-13 一种曲面液晶面板强度的增强方法 Ceased WO2018133135A1 (zh)

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