WO2021120293A1 - 一种偏光装置及其制备方法、显示面板、显示装置 - Google Patents

一种偏光装置及其制备方法、显示面板、显示装置 Download PDF

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Publication number
WO2021120293A1
WO2021120293A1 PCT/CN2019/129054 CN2019129054W WO2021120293A1 WO 2021120293 A1 WO2021120293 A1 WO 2021120293A1 CN 2019129054 W CN2019129054 W CN 2019129054W WO 2021120293 A1 WO2021120293 A1 WO 2021120293A1
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Prior art keywords
layer
additive
polarizing
auxiliary
zinc sulfide
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PCT/CN2019/129054
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English (en)
French (fr)
Inventor
王海军
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Tcl华星光电技术有限公司
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Priority to US16/627,854 priority Critical patent/US11061271B1/en
Publication of WO2021120293A1 publication Critical patent/WO2021120293A1/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks

Definitions

  • the present invention relates to the technical field of polarizing devices, in particular to a polarizing device and a preparation method thereof, a display panel, and a display device.
  • Polarizer as an important component of liquid crystal display to achieve optical conversion, will play a vital role in the optical performance of the display.
  • the polarizer will generate internal stress due to water absorption and temperature, and then bend.
  • the stress bending of the polarizer the tensile stress between the upper and lower substrates of the liquid crystal display will increase, which may cause the separation of the upper and lower substrates of the liquid crystal display, and seriously affect the reliability of product quality.
  • the main technical problem solved by the present invention is to provide a polarizing device and a preparation method thereof, a display panel, and a display device, which can solve the problem that the existing polarizing device is prone to stress bending in harsh environments such as high temperature and high humidity.
  • a technical solution adopted by the present invention is to provide a polarizing device.
  • the device includes:
  • Auxiliary function layer arranged on the polarizing function layer
  • the auxiliary functional layer includes a host material and an additive
  • the thermal expansion coefficient of the additive is lower than the thermal expansion coefficient of the host material
  • the thermal conductivity of the additive is higher than the thermal conductivity of the host material
  • the additive includes at least one of silica microspheres, zinc sulfide and modified zinc sulfide.
  • the mass fraction of the additive is 1%-40%.
  • the diameter of the silica microspheres is 10 nm-5 ⁇ m.
  • the modified zinc sulfide is a surface modified zinc sulfide, and the modified zinc sulfide has a hydrophilic functional group.
  • the hydrophilic functional group includes at least one of a hydroxyl group or a carboxyl group.
  • the auxiliary function layer includes:
  • the first protective layer and the second protective layer are arranged on a set of opposite faces of the polarizing functional layer;
  • the surface protection layer is arranged on the first protection layer
  • the separation membrane layer is arranged on the second protective layer
  • the adhesive layer is arranged at least between the separation membrane layer and the second protective layer.
  • a technical solution adopted by the present invention is to provide a display panel.
  • the display panel includes:
  • the color filter substrate is arranged opposite to the array substrate;
  • the liquid crystal layer is sandwiched between the array substrate and the color filter substrate;
  • the array substrate and/or the color filter substrate includes any one of the polarizing devices.
  • a technical solution adopted by the present invention is to provide a display device.
  • the display device includes the display panel.
  • a technical solution adopted by the present invention is to provide a method for preparing a polarizing device.
  • the method includes:
  • the auxiliary functional layer includes a host material and an additive
  • the thermal expansion coefficient of the additive is lower than the thermal expansion coefficient of the host material
  • the thermal conductivity of the additive is higher than the thermal conductivity of the host material
  • the beneficial effect of the present application is that, different from the prior art, the present invention adds a thermal expansion coefficient lower than that of the host material and a thermal conductivity higher than that of the host material in the auxiliary functional layer constituting the polarizing device.
  • the additive reduces the thermal expansion coefficient of the auxiliary function layer and enhances the thermal conductivity, so that the auxiliary function layer is not prone to stress bending in harsh environments such as high temperature and high humidity, thereby improving the reliability of the polarizing device.
  • FIG. 1 is a schematic structural diagram of a first embodiment of a polarizing device of the present invention
  • FIG. 2 is a schematic structural diagram of an embodiment of the auxiliary function layer 200 in FIG. 1;
  • FIG. 3 is a schematic structural diagram of a second embodiment of a polarizing device of the present invention.
  • FIG. 4 is a schematic structural diagram of a first embodiment of a display panel of the present invention.
  • FIG. 5 is a schematic structural diagram of a first embodiment of a display device of the present invention.
  • Fig. 6 is a schematic flow chart of the first embodiment of a method for manufacturing a polarizing device of the present invention.
  • FIG. 1 is a schematic structural diagram of a first embodiment of a polarizing device of the present invention
  • FIG. 2 is a schematic structural diagram of an embodiment of the auxiliary functional layer 200 in FIG. 1
  • the polarizing device 10 includes : Polarizing functional layer 100; auxiliary functional layer 200, arranged on the polarizing functional layer 100; wherein, the auxiliary functional layer 200 includes a main body material 210 and an additive 220, and the thermal expansion coefficient of the additive 220 is lower than that of the main body The thermal expansion coefficient of the material 210, and the thermal conductivity of the additive 220 is higher than the thermal conductivity of the host material 210.
  • the auxiliary function layer 200 constituting the polarizing device 10 is added with an additive 220 having a thermal expansion coefficient lower than that of the host material 210 and a thermal conductivity higher than that of the host material 210, so that the The thermal expansion coefficient of the auxiliary function layer 200 is reduced and the thermal conductivity is increased. Therefore, the auxiliary function layer 200 is not prone to stress bending in harsh environments such as high temperature and high humidity, thereby improving the reliability of the polarizing device 10.
  • the above-mentioned additives are added to the auxiliary functional layer, it is not necessary to improve the bending stress resistance of the polarizing device through a traditional thickening method, which is beneficial to reduce the manufacturing cost of the polarizing device.
  • the polarizing functional layer 100 is also called a polarizer, and can work with iodine molecules to perform the function of "selecting and absorbing light in a certain polarization direction", and the material that can usually be selected includes polyvinyl alcohol.
  • the auxiliary function layer 200 includes, but is not limited to, a protective layer, an adhesive, a release film, and the like.
  • the protective layer protects the pressure-sensitive adhesive and is used to connect the polarizer to the position to be installed, and its material can usually be a polypropylene adhesive.
  • the protective layer is mainly used to insulate water vapor and to protect the polarizing functional layer 100, and its common material includes cellulose triacetate.
  • the separation film layer is used to protect the polarizing function layer 100.
  • the separation film layer needs to be removed, and then the polarizing device 10 is attached to the position to be installed. It is basically the same as the protective layer material, but usually also includes some silicon-containing materials.
  • the location to be installed varies according to different application scenarios, and is not specifically limited here.
  • the position to be installed includes a substrate, and further, it may be the surface of a glass substrate.
  • FIG. 3 is a schematic structural diagram of a second embodiment of a polarizing device according to the present invention, wherein the auxiliary function layer 200 includes:
  • the first protective layer 201 and the second protective layer 202 are arranged on a set of opposite faces of the polarizing functional layer 100; wherein the first protective layer 201 and the second protective layer 202 are used to isolate water vapor from The erosion of the polarizing function layer 100 is described.
  • the surface protection layer 203 is arranged on the first protection layer 201, wherein the side where the surface protection layer is located is usually in closer contact with the use environment, and the surface protection layer 203 is provided on the first protection layer 201 to protect the
  • the polarizing functional layer 100 provides better protection, thereby increasing the service life of the polarizing device 10.
  • the separation membrane layer 204 is arranged on the second protective layer 202; the adhesive layer 205 is arranged at least between the separation membrane layer 204 and the second protective layer 202. During the polarization process, the separation film 204 is peeled off, and the polarizing device 10 is connected to the standby film through the adhesive layer 205 provided between the separation film layer 204 and the second protective layer 202. Installation location
  • the additives can be added to at least one of the first protective layer 201, the second protective layer 202, the surface protective layer 203, the separation film layer 204, and the adhesive layer 205, which can reduce the The thermal expansion coefficient of the auxiliary function layer 200 and the improvement of its thermal conductivity are beneficial to improve the quality and reliability of the polarizing device 10.
  • the first protective layer 201, the second protective layer 202, the surface protective layer 203, the separation film layer 204, and the adhesive layer 205 all contain the additives, which can more effectively avoid the polarizing device 10 Stress bending occurs in harsh environments such as high temperature and humidity, which is conducive to extending the service life.
  • m-ZnS stands for modified zinc sulfide
  • PE/PET stands for surface protective layer material
  • TAC stands for protective layer material
  • PSA stands for adhesive layer material.
  • Table 1 is a comparison table of the properties of the components in the polarizing device of the present invention. It can be seen that the thermal expansion coefficients of silica microspheres, zinc sulfide and modified zinc sulfide are lower than those of the protective layer and surface The protective layer, the separation membrane layer and the adhesive layer; and the thermal conductivity is significantly higher than the protective layer, the surface protective layer, the separation membrane layer and the adhesive layer. Therefore, the additives including at least one of silica microspheres, zinc sulfide and modified zinc sulfide can reduce the thermal expansion coefficient of the auxiliary functional layer and improve its thermal conductivity.
  • the thermal expansion coefficient is lower than the corresponding host material in the auxiliary functional layer and the thermal conductivity is better than the host material, the above effect can be achieved.
  • the main material of each film layer may be the same or different, and the types of the corresponding additives may be the same or different, as long as the stress bending of the polarizing device can be reduced. There is no specific limitation here.
  • the mass fraction of the additive is 1%-40%, such as 1%, 5%, 10%, 20%, or 40%.
  • the specific amount of the additive is closely related to the type of the additive and product performance requirements, so there is no specific limitation here.
  • the diameter of the silica microspheres is 10 nm-5 ⁇ m, such as 10 nm, 100 nm, 1 ⁇ m, 3 ⁇ m, or 5 ⁇ m.
  • the modified zinc sulfide is a surface modified zinc sulfide
  • the modified zinc sulfide has a hydrophilic functional group.
  • the hydrophilic functional group can better mix the modified zinc sulfide additive with the host material, so as to be more uniformly dispersed in the auxiliary functional layer, thereby reducing the risk of stress bending of the device.
  • the hydrophilic functional group includes at least one of a hydroxyl group or a carboxyl group.
  • the hydrophilic functional group can be selected according to the actual needs of the user, and there is no further limitation here.
  • a technical solution adopted by the present invention is to provide a display panel.
  • FIG. 4 is a schematic structural diagram of a first embodiment of a display panel of the present invention, wherein the display panel 400 includes:
  • Array substrate 410 which is arranged opposite to the array substrate 410; liquid crystal layer 430, sandwiched between the array substrate 410 and the color filter substrate 420; wherein, the array substrate 410 and/or The color filter substrate 420 includes any of the polarizing devices 10 described above.
  • the polarizing device 10 in the display panel 400 has better resistance to stress and bending, and has better resistance to harsh environments such as high temperature and humidity, which is beneficial to the further development of the display panel 400. Promote applications.
  • FIG. 5 is a schematic structural diagram of a first embodiment of a display device of the present invention, in which the display device 1000 includes the display panel 1.
  • the display device 1000 includes a fixed display device and a mobile display device.
  • the fixed display devices include, but are not limited to, TVs, desktop monitors, etc., especially large-size (greater than 65 inches) fixed display devices, especially display devices used in harsh environments such as outdoors, high temperature and high humidity.
  • the mobile display device includes, but is not limited to, mobile phones, tablet computers, smart watches, VR glasses, etc.
  • FIG. 6 is a schematic flowchart of a first embodiment of a method for manufacturing a polarizing device of the present invention, wherein the method includes the steps:
  • the auxiliary functional layer may include multiple film layers, such as a protective layer, a surface protective layer, a separation film layer, and an adhesive layer.
  • the main material of each film layer may be the same Or different.
  • the additive is added to the host material of at least one film layer.
  • the additives can be added to multiple or all film layers.
  • the types of additives added for different film layers can be the same or different, as long as it can reduce the stress bending of the polarizing device. That is, there is no specific limitation here.
  • the stirring speed may be, and the specific stirring speed is related to the types of the host material and additives corresponding to the film layer, and the properties of the two, so there is no specific limitation hereto.
  • the temperature of the stretch-forming film may be that the temperature is related to the properties of the raw material.
  • the selected temperature is different, so there is no specific limitation.
  • a composite film with better resistance to bending stress can be obtained, such as SiO2/PE composite film or ZnS/PE composite film.
  • auxiliary function layer Disposing the auxiliary function layer on the polarizing function layer to obtain the polarizing device; wherein the auxiliary function layer includes a host material and an additive, and the thermal expansion coefficient of the additive is lower than that of the host material The coefficient of thermal expansion, and the thermal conductivity of the additive is higher than the thermal conductivity of the host material.
  • the prepared auxiliary function layer needs to be disposed on the polarizing function layer to obtain the polarizing device; specifically, the auxiliary function layer may be fixed on the polarizing function layer by bonding. Layer up.
  • the present invention adds an additive with a thermal expansion coefficient lower than that of the host material and a thermal conductivity higher than that of the host material to the auxiliary functional layer constituting the polarizing device, so that the auxiliary functional layer
  • the thermal expansion coefficient is reduced and the thermal conductivity is increased, the auxiliary function layer is not prone to stress bending in harsh environments such as high temperature and high humidity, thereby improving the reliability of the polarizing device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
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Abstract

一种能够改善偏光装置(10)在高温高湿等恶劣环境中应力弯曲，提高产品质量可靠性的偏光装置(10)及其制备方法、显示面板(400,1)、显示装置(1000)，其中，偏光装置(10)包括：偏光功能层(100)；辅助功能层(200)，设置在偏光功能层(100)上；其中，辅助功能层(200)中包括主体材料(210)和添加剂(220)，且添加剂(220)的热膨胀系数低于主体材料(210)的热膨胀系数，且添加剂(220)的热导率高于主体材料(210)的热导率。

Description

一种偏光装置及其制备方法、显示面板、显示装置 技术领域
本发明涉及偏光装置技术领域，特别是涉及一种偏光装置及其制备方法、显示面板、显示装置。
 背景技术
随着显示技术的不断发展，人们的对显示面板性能要求越来越高。尤其是在户外或高温高湿等恶劣环境中，人们仍然希望显示面板有稳定的显示性能和较长的使用寿命。
 技术问题
偏光片（Polarizer）作为液晶显示器实现光学转换重要组件，会对显示器光学表现起至关重要作用。而在现有技术中，液晶显示器在户外使用时，户外温度及湿度条件有时极为恶略，在高温高湿情况下，偏光片由于吸水及温度原因，会产生内部应力，继而发生弯曲。在偏光片应力弯曲情况下，会导致液晶显示器上下基板之间拉应力增加，可能导致液晶显示器上下基板分离，严重影响产品质量的可靠性。
因此，现有技术有待进一步改进。
 技术解决方案
本发明主要解决的技术问题是提供一种偏光装置及其制备方法、显示面板、显示装置，能够解决现有现有的偏光装置在高温高湿等恶劣环境中易发生应力弯曲的问题。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种偏光装置。
其中，所述装置包括：
偏光功能层；
辅助功能层，设置在所述偏光功能层上；
其中，所述辅助功能层中包括主体材料和添加剂，所述添加剂的热膨胀系数低于所述主体材料的热膨胀系数，且所述添加剂的热导率高于所述主体材料的热导率。
其中，所述添加剂包括二氧化硅微球、硫化锌及改性硫化锌中的至少一种。
其中，所述辅助功能层中，所述添加剂的质量分数为1%-40%。
其中，所述二氧化硅微球的直径为10nm-5μm。
其中，所述改性硫化锌为表面改性硫化锌，且所述改性硫化锌具有亲水性官能团。
其中，所述亲水性官能团包括羟基或羧基中的至少一种。
其中，所述辅助功能层包括：
第一保护层和第二保护层，设置在所述偏光功能层中相对的一组面上；
表面保护层，设置在所述第一保护层上；
分离膜层，设置在所述第二保护层上；
粘结层，至少设置在所述分离膜层与所述第二保护层之间。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种显示面板。
其中，所述显示面板包括：
阵列基板；
彩膜基板，与所述阵列基板相对设置；
液晶层，夹设在所述阵列基板和所述彩膜基板之间；
其中，所述阵列基板和/或所述彩膜基板包括任一所述的偏光装置。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种显示装置。
其中，所述显示装置包括所述的显示面板。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种偏光装置的制备方法。
其中，所述方法包括：
提供用于制备辅助功能层的主体材料；
向所述主体材料中加入添加剂，搅拌后得到制备辅助功能层的原料；
在一定温度下对所述原料进行拉塑成膜，得到所述辅助功能层；
将所述辅助功能层设置在所述偏光功能层上得到所述偏光装置；
其中，所述辅助功能层中包括主体材料和添加剂，所述添加剂的热膨胀系数低于所述主体材料的热膨胀系数，且所述添加剂的热导率高于所述主体材料的热导率。
 有益效果
本申请的有益效果为：区别于现有技术的，本发明在构成所述偏光装置的辅助功能层中添加了热膨胀系数低于所述主体材料的热膨胀系数且热导率高于所述主体材料的添加剂，使得所述辅助功能层的热膨胀系数降低且导热性增强，则在高温高湿等恶劣环境中，所述辅助功能层不易发生应力弯曲，进而提高所述偏光装置的可靠性。
 附图说明
图1是本发明一种偏光装置第一实施方式的结构示意图；
图2是图1中所述辅助功能层200一实施方式的结构示意图；
图3是本发明一种偏光装置第二实施方式的结构示意图；
图4是本发明一种显示面板第一实施方式的结构示意图；
图5是是本发明一种显示装置第一实施方式的结构示意图；
图6是是本发明一种偏光装置的制备方法第一实施方式的流程示意图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动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。
需要说明，本发明实施例中所有方向性指示（诸如上、下、左、右、前、后……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果所述特定姿态发生改变时，则所述方向性指示也相应地随之改变。
另外，在本发明中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个所述特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
请参考图1和图2，图1是本发明一种偏光装置第一实施方式的结构示意图，图2是图1中所述辅助功能层200一实施方式的结构示意图，所述偏光装置10包括：偏光功能层100；辅助功能层200，设置在所述偏光功能层100上；其中，所述辅助功能层200中包括主体材料210和添加剂220，所述添加剂220的热膨胀系数低于所述主体材料210的热膨胀系数，且所述添加剂220的热导率高于所述主体材料210的热导率。
在本实施方式中，构成所述偏光装置10的辅助功能层200中添加了热膨胀系数低于所述主体材料210的热膨胀系数且热导率高于所述主体材料210的添加剂220，使得所述辅助功能层200的热膨胀系数降低且导热性增强，则在高温高湿等恶劣环境中，所述辅助功能层200不易发生应力弯曲，进而提高所述偏光装置10的可靠性。
进一步的，由于在所述辅助功能层中添加了上述添加剂，不必通过传统的增厚方式来改善所述偏光装置的抗弯曲应力性能，有利于降低所述偏光装置的制备成本。
具体的，所述偏光功能层100又称偏光子，能够与碘分子共同完成“选择吸收某一偏振方向的光”的功能，其通常可选用的材料包括聚乙烯醇。进一步的，所述辅助功能层200包括但不限于保护层、粘结剂及离形膜等。其中，所述保护层保护压敏胶，用于将偏光片与待安装位置进行连接，其材料通常可以为聚丙烯类粘结剂。所述保护层主要用于隔绝水汽，用于保护所述偏光功能层100，其常用材料包括三醋酸纤维素。所述分离膜层用于对所述偏光功能层100进行保护，在进行偏贴时，需将所述分离膜层去掉，再将所述偏光装置10与所述待安装位置进行贴附，其与保护层材料基本相同，但通常还包括一些含硅材料。所述待安装位置根据应用场景的不同而不同，此处不做具体限定。而当所述偏光装置10用于显示装置时，所述待安装位置包括基板，进一步的，可以是玻璃基板的表面。
在另一个实施方式中，请参考图3，图是3本发明一种偏光装置第二实施方式的结构示意图，其中，所述辅助功能层200包括：
第一保护层201和第二保护层202，设置在所述偏光功能层100中相对的一组面上；其中所述第一保护层201和所述第二保护层202用于隔绝水汽对所述偏光功能层100的侵蚀。表面保护层203，设置在所述第一保护层201上，其中表面保护层所在一侧通常与使用环境接触更加密切，在所述第一保护层201上设置所表面保护层203能够对所述偏光功能层100进行更好的保护，进而提高所述偏光装置10的使用寿命。而分离膜层204设置在所述第二保护层202上；粘结层205至少设置在所述分离膜层204与所述第二保护层202之间。在进行偏贴时，将所述分离膜204剥离，所述偏光装置10通过设置在所述分离膜层204与所述第二保护层202之间的所述粘结层205连接到所述待安装位置。
值得注意的是，所述添加剂可以添加在所述第一保护层201、所述第二保护层202、表面保护层203、分离膜层204及粘结层205中的至少一层，能够降低所述辅助功能层200的热膨胀系数并提高其导热性能，有利于提高所述偏光装置10的质量可靠性。进一步的，所述第一保护层201、所述第二保护层202、表面保护层203、分离膜层204及粘结层205中均包含所述添加剂，能够更有效的避免所述偏光装置10在高温高湿等恶劣环境中发生应力弯曲，有利于延长使用寿命。
表1 本发明偏光装置中各组分的性质对比表
  PE PET PSA TAC SiO2 ZnS m- ZnS
热膨胀系数/（ppm/K） 19.5 60 45 18 0.55 6.36 6.36
热导率/（W/m*K） 0.3 0.2 0.4 0.2 1.5 25.1 25.1
其中，m- ZnS代表改性硫化锌；PE/ PET代表表面保护层材料，TAC代表保护层材料，PSA代表粘结层材料。
进一步的，请参考表1，表1是本发明偏光装置中各组分的性质对比表，可见，二氧化硅微球、硫化锌及改性硫化锌的热膨胀系数低于所述保护层、表面保护层、分离膜层及粘结层；且热导率明显高于所述保护层、表面保护层、分离膜层及粘结层。因此，所述添加剂包括二氧化硅微球、硫化锌及改性硫化锌中的至少一种能够降低所述辅助功能层的热膨胀系数并提高其导热性能。当然，只要是热膨胀系数低于对应所述辅助功能层中对应主体材料且导热性能好于所述主体材料的添加剂都可以达到上述效果。当所述辅助功能层中包括多个膜层时，每个膜层的主体材料可以相同或不同，对应的添加剂的种类可以相同或不同，只要能达到降低所述偏光装置的应力弯曲即可，此处不做具体限定。
进一步的，所述辅助功能层中，所述添加剂的质量分数为1%-40%，如，1%、5%、10%、20%或40%等。所述添加剂的具体用量与所述添加剂的种类及产品性能要求密切相关，故此处不做具体限定。
进一步的，当所述添加剂为二氧化硅微球时，所述二氧化硅微球的直径为10nm-5μm，如，10nm、100nm、1μm、3μm或5μm等。
更进一步的，当所述添加剂为改性硫化锌时，所述改性硫化锌为表面改性硫化锌，且所述改性硫化锌具有亲水性官能团。亲水性的官能团能够使改性硫化锌添加剂与所述主体材料更好的混合，以在所述辅助功能层中更加均匀的进行分散，进而降低装置的应力弯曲风险。进一步的，所述亲水性官能团包括羟基或羧基中的至少一种。当然，所述亲水性官能团可以根据用户的实际需要进行选择，此处不做更多限定。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种显示面板。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种显示面板。请参考图4，图4是本发明一种显示面板第一实施方式的结构示意图，其中，所述显示面板400包括：
阵列基板410；彩膜基板420，与所述阵列基板410相对设置；液晶层430，夹设在所述阵列基板410和所述彩膜基板420之间；其中，所述阵列基板410和/或所述彩膜基板420包括任一所述的偏光装置10。
在本实施方式中，所述显示面板400中的偏光装置10具有较好的抗应力弯曲性能，对高温高湿等恶劣的环境有较好的耐受性，有利于所述显示面板400的进一步推广应用。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种显示装置。请参考图5，图5是本发明一种显示装置第一实施方式的结构示意图，其中，所述显示装置1000包括所述的显示面板1。
所述显示装置1000包括固定显示装置和移动显示装置。所述固定显示装置包括但不限于电视，台式机显示器等，尤其是大尺寸（大于65英寸）的固定显示装置，特别是应用在户外，高温高湿等恶劣环境中的显示装置。所述移动显示装置包括但不限于手机、平板电脑、智能手表及VR眼镜等。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种偏光装置的制备方法。请参考图6，图6是本发明一种偏光装置的制备方法第一实施方式的流程示意图，其中，所述方法包括步骤：
S100、提供用于制备辅助功能层的主体材料。
在所述步骤S100中，所述辅助功能层中可以包括多个膜层，如，保护层、表面保护层、分离膜层及粘结层等，对应的，每个膜层的主体材料可以相同或不同。
S200、向所述主体材料中加入添加剂，搅拌后得到制备辅助功能层的原料。
在所述步骤S200中，在所述辅助功能层中，至少某一膜层的所述主体材料中添加所述添加剂。当然，为了获得更好的抗弯曲应力效果，可以在多个或所有膜层中添加所述添加剂，对于不同膜层添加的添加剂种类可以相同或不同，只要能达到降低所述偏光装置的应力弯曲即可，此处不做具体限定。
具体的，搅拌速度可以为，具体的搅拌速度与对应膜层的所述主体材料及添加剂的种类、二者的性质有关，故此不做具体限定。
S300、在一定温度下对所述原料进行拉塑成膜，得到所述辅助功能层。
在所述步骤S300中，拉塑成膜的温度可以为，该温度与所述原料性质相关，对于不同的所述原料，选择的所述温度不同，故此不做具体限定。
经过拉塑成膜可以得到抗弯曲应力较好的复合膜，如，SiO2/PE复合膜或ZnS/PE复合膜等。
S400、将所述辅助功能层设置在所述偏光功能层上得到所述偏光装置；其中，所述辅助功能层中包括主体材料和添加剂，且所述添加剂的热膨胀系数低于所述主体材料的热膨胀系数，且所述添加剂的热导率高于所述主体材料的热导率。
在所述步骤S400中，需要将制备的所述辅助功能层设置到所述偏光功能层上进而得到所述偏光装置；具体的，所述辅助功能层可通过粘结固定设置在所述偏光功能层上。
对于偏光装置相关的技术细节及技术好处已经在前文中进行了详细阐述，故此不再赘述。
综上所述，本发明在构成所述偏光装置的辅助功能层中添加了热膨胀系数低于所述主体材料的热膨胀系数且热导率高于所述主体材料的添加剂，使得所述辅助功能层的热膨胀系数降低且导热性增强，则在高温高湿等恶劣环境中，所述辅助功能层不易发生应力弯曲，进而提高所述偏光装置的可靠性。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (15)

  1. 一种偏光装置，其中，所述装置包括：
    偏光功能层；
    辅助功能层，设置在所述偏光功能层上；
    其中，所述辅助功能层中包括主体材料和添加剂，所述添加剂的热膨胀系数低于所述主体材料的热膨胀系数，且所述添加剂的热导率高于所述主体材料的热导率。
  2. 如权利要求1所述的装置，其中，所述添加剂包括二氧化硅微球、硫化锌及改性硫化锌中的至少一种。
  3. 如权利要求2所述的装置，其中，所述辅助功能层中，所述添加剂的质量分数为1%-40%。
  4. 如权利要求2所述的装置，其中，所述二氧化硅微球的直径为10nm-5μm。
  5. 如权利要求2所述的装置，其中，所述改性硫化锌为表面改性硫化锌，且所述改性硫化锌具有亲水性官能团。
  6. 如权利要求5所述的装置，其中，所述亲水性官能团包括羟基或羧基中的至少一种。
  7. 如权利要求1所述的装置，其中，所述辅助功能层包括：
    第一保护层和第二保护层，设置在所述偏光功能层中相对的一组面上；
    表面保护层，设置在所述第一保护层上；
    分离膜层，设置在所述第二保护层上；
    粘结层，至少设置在所述分离膜层与所述第二保护层之间。
  8. 一种显示面板，其中，所述显示面板包括：
    阵列基板；
    彩膜基板，与所述阵列基板相对设置；
    液晶层，夹设在所述阵列基板和所述彩膜基板之间；
    其中，所述阵列基板和/或所述彩膜基板包括偏光装置，所述偏光装置包括：
    偏光功能层；
    辅助功能层，设置在所述偏光功能层上；
    其中，所述辅助功能层中包括主体材料和添加剂，所述添加剂的热膨胀系数低于所述主体材料的热膨胀系数，且所述添加剂的热导率高于所述主体材料的热导率。
  9. 如权利要求8所述的显示面板，其中，所述添加剂包括二氧化硅微球、硫化锌及改性硫化锌中的至少一种。
  10. 如权利要求9所述的显示面板，其特征在于，所述辅助功能层中，所述添加剂的质量分数为1%-40%。
  11. 如权利要求9所述的显示面板，其特征在于，所述二氧化硅微球的直径为10nm-5μm。
  12. 如权利要求9所述的显示面板，其特征在于，所述改性硫化锌为表面改性硫化锌，且所述改性硫化锌具有亲水性官能团。
  13. 如权利要求12所述的显示面板，其特征在于，所述亲水性官能团包括羟基或羧基中的至少一种。
  14. 如权利要求8所述的显示面板，其特征在于，所述辅助功能层包括：
    第一保护层和第二保护层，设置在所述偏光功能层中相对的一组面上；
    表面保护层，设置在所述第一保护层上；
    分离膜层，设置在所述第二保护层上；
    粘结层，至少设置在所述分离膜层与所述第二保护层之间。
  15. 一种偏光装置的制备方法，其中，所述方法包括：
    提供用于制备辅助功能层的主体材料；
    向所述主体材料中加入添加剂，搅拌后得到制备所述辅助功能层的原料；
    在一定温度下对所述原料进行拉塑成膜，得到所述辅助功能层；
    将所述辅助功能层设置在所述偏光功能层上得到所述偏光装置；
    其中，所述辅助功能层中包括主体材料和添加剂，所述添加剂的热膨胀系数低于所述主体材料的热膨胀系数，且所述添加剂的热导率高于所述主体材料的热导率。
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