CN104597661B - 垂直配向液晶显示器及其制作方法 - Google Patents
垂直配向液晶显示器及其制作方法 Download PDFInfo
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Abstract
本发明提供一种垂直配向液晶显示器及其制作方法。该垂直配向液晶显示器包括第一基板(1)、第二基板(2)、设于第一基板(1)与第二基板(2)之间的液晶层(3)、分别设于第一、第二基板(1、2)内侧的第一、第二钝化层(11、21)、及分别设于第一、第二钝化层(11、21)上的公共电极层(12)与像素电极层(22);所述液晶层(3)包括液晶分子(30)、辅助配向剂(31)、及贯穿于整个液晶层(3)的聚合物网络(33);所述辅助配向剂(31)使液晶层(3)中的液晶分子(30)在第一与第二基板(1、2)的表面垂直排列;所述聚合物网络(33)稳定液晶分子(30)配向,加强辅助配向剂(31)对液晶分子(30)的垂直配向效果。
Description
技术领域
本发明涉及显示技术领域,尤其涉及一种垂直配向液晶显示器及其制作方法。
背景技术
液晶显示器(Liquid Crystal Display,LCD)具有机身薄、省电、无辐射等众多优点,得到了广泛的应用,如:移动电话、个人数字助理(PDA)、数字相机、计算机屏幕或笔记本电脑屏幕等。
就目前主流市场上的薄膜晶体管液晶显示器(TFT-LCD)而言,可分为三大类,分别是扭曲向列/超扭曲向列(TN/STN)型、平面转换(IPS)型、及垂直配向(VA)型。其中VA型液晶显示器相对其它种类的液晶显示器具有极高的对比度,一般可达到4000-8000,在大尺寸显示,如电视等方面具有非常广的应用。
VA型液晶显示器之所以具有极高对比度是因为在不加电的暗态时,液晶分子垂直于基板表面排列,不产生任何相位差,漏光极低,暗态亮度很小,暗态亮度越低,则对比度越高。如图1所示,为了使VA型液晶显示器中的液晶分子能够垂直于基板表面排列,需要对液晶分子300进行垂直配向处理,现行最为普遍的做法是在上基板100与下基板200内表面特定区域涂布垂直配向剂,配向剂一般包含大量的化学溶剂N-甲基吡咯烷酮(NMP)以及高分子材料聚酰亚胺(Polyimide,PI)等成分,然后将基板在高温下(一般200摄氏度以上)进行长时间烘烤,使配向剂中溶剂被烤干,从而在玻璃基板表面形成PI配向层310。
为了使VA型液晶显示器获得更好的广视角特性,通常会采取多区域VA技术(multi-domain VA,MVA),即将一个亚像素划分成多个区域,并使每个区域中的液晶在施加电压后倒伏向不同的方向,从而使各个方向看到的效果趋于平均。实现MVA技术的方法有多种,请参阅图2与图3,其中一种方法是在一侧的氧化铟锡(Indium Tin Oxide,ITO)像素电极800上形成“米字型”狭缝图案,由于特殊的ITO像素电极图形,其产生的倾斜电场可以诱导不同区域中的液晶分子300倒向不同的方向。图2所示为一种MVA型液晶显示器下基板200一侧的平面俯视示意图,其中210与220分别为扫描线与数据线。图3所示为该MVA型液晶显示器的剖面示意图,其中700为氮化硅(SiNx)材质的钝化层。该MVA型液晶显示器具有制程简单,对比度高,开口率高,响应时间快等优势。
然而,为了实现VA配向,需要在基板表面涂布垂直配向剂,进行高温烘烤制程,由于配向剂中含有大量NMP溶剂,所以形成配向层的制程是一个高能耗、极其不环保、易对人体造成危害的过程;此外,由于配向层均匀性、缺涂、不粘以及异物等问题,还会对产品良率造成损失,导致资源浪费与产品成本提高。
出于以上诸多因素考虑,需开发出不需要PI配向层的VA型液晶显示器。如图4所示,通过改变液晶配方,在液晶中加入一类辅助配向剂的物质,使液晶分子300在没有配向层的情况下即可在液晶显示装置的基板表面垂直排列。该类辅助配向剂无需其它溶剂溶解,直接溶解于液晶之中,与液晶一起使用,省去原本配向剂的涂布设备与高温烘烤设备,因无需额外溶剂,所以更加干净、环保、节能。辅助配向剂的作用机理是,辅助配向剂分子301一端与基板表面无机材料,如构成钝化层700的氮化硅及构成像素电极800的ITO等具有特别的亲和力,能够吸附在基板表面,辅助配向剂分子301另外一端与液晶分子300有极强的作用力,由此引导液晶分子300垂直于基板表面排列,最终达到如图4所示的效果。
然而虽然小分子辅助配向剂可以实现垂直配向的效果,但大部分小分子配向剂的配向能力、产生的锚定能较弱,由此会导致一些如面内均匀性不佳、长期可靠性低的问题,因此需要对无PI实现垂直配向的此类液晶显示器进行改进,增强对液晶分子的配向力与锚定能。
发明内容
本发明的目的在于提供一种垂直配向液晶显示器,在省去PI配向层利用辅助配向剂实现垂直配向的情况下,解决小分子辅助配向剂配向能力较弱的问题,增强辅助配向剂对液晶分子的配向力与锚定能,加强辅助配向剂对液晶分子的垂直配向效果。
本发明的目的还在于提供一种垂直配向液晶显示器的制作方法,能够解决小分子辅助配向剂配向能力较弱的问题,增强辅助配向剂对液晶分子的配向力与锚定能,加强辅助配向剂对液晶分子的垂直配向效果,且更加环保、节能。
为实现上述目的,本发明提供一种垂直配向液晶显示器,包括第一基板、与所述第一基板相对设置的第二基板、设于所述第一基板与第二基板之间的液晶层、分别设于所述第一基板与第二基板内侧的第一钝化层与第二钝化层、及分别设于所述第一钝化层与第二钝化层上的公共电极层与像素电极层;
所述液晶层包括液晶分子、辅助配向剂、及贯穿于整个液晶层的聚合物网络;所述辅助配向剂使液晶层中的液晶分子在第一基板与第二基板的表面垂直排列;所述聚合物网络稳定液晶分子配向,加强所述辅助配向剂对液晶分子的垂直配向效果。
所述液晶分子为负型液晶分子;所述聚合物网络由可聚合单体经UV照射发生聚合反应制得。
所述可聚合单体在液晶层中的重量百分比为0.5%~8%。
所述可聚合单体在液晶层中的重量百分比为1%~5%。
所述可聚合单体包括至少一种双可聚合基团单体和至少一种多聚合基团化合物;所述多聚合基团化合物在所述可聚合单体中的重量百分比为10%-50%。
所述双可聚合基团单体的结构通式为:
其中P1,P2为聚合基团,两者相同或不同,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种,
n1与n2为0~5的整数,两者相同或不同,
A1与A2为六元环结构,两者相同或不同,含取代基或不含取代基,为苯环或环己烷结构,
X为连接基团,为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链,或为包含1~5个直接相连或由烷基、醚、酯基间隔的六元环结构的取代或未取代链结构;
所述多聚合基团化合物的结构通式为:
其中Y为核心原子或基团,连接多个取代基,为取代或未取代碳原子、氮原子、磷酸根、多元环基团,
L为连接基团,其为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链;
P为聚合基团,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种,n为3或4。
本发明还提供一种垂直配向液晶显示器的制作方法,包括如下步骤:
步骤1、投入第一基板与第二基板;
所述第一基板与第二基板内侧分别设有第一钝化层与第二钝化层、所述第一钝化层与第二钝化层上分别设有公共电极层与像素电极层;
步骤2、在所述第一基板或第二基板上涂布胶框;
步骤3、在所述胶框围成的区域内填充液晶层;
所述液晶层包括液晶分子、辅助配向剂及可聚合单体;
所述可聚合单体在液晶层中的重量百分比为0.5%~8%;
步骤4、将第一基板与第二基板进行对组;
步骤5、对所述公共电极层与像素电极层施加电压,使所述液晶层中的液晶分子产生一定的偏转,同时采用UV照射所述液晶层;
所述可聚合单体发生聚合反应,形成贯穿于整个液晶层的聚合物网络。
所述可聚合单体在液晶层中的重量百分比为1%~5%,所述液晶分子为负型液晶分子。
所述可聚合单体包括至少一种双可聚合基团单体和至少一种多聚合基团化合物;所述多聚合基团化合物在所述可聚合单体中的重量百分比为10%-50%。
所述双可聚合基团单体的结构通式为:
其中P1,P2为聚合基团,两者相同或不同,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种,
n1与n2为0~5的整数,两者相同或不同,
A1与A2为六元环结构,两者相同或不同,含取代基或不含取代基,为苯环或环己烷结构,
X为连接基团,为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链,或为包含1~5个直接相连或由烷基、醚、酯基间隔的六元环结构的取代或未取代链结构;
所述多聚合基团化合物的结构通式为:
其中Y为核心原子或基团,连接多个取代基,为取代或未取代碳原子、氮原子、磷酸根、多元环基团,
L为连接基团,其为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链;
P为聚合基团,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种,n为3或4。
本发明的有益效果:本发明提供的一种垂直配向液晶显示器,其液晶层包括液晶分子、辅助配向剂、及贯穿于整个液晶层的聚合物网络,通过辅助配向剂实现对液晶分子的垂直配向,由于聚合物网络具有巨大的表面积,与液晶分子具有极大的接触面积,可起到稳定液晶分子配向的作用,从而能够解决小分子辅助配向剂配向能力较弱的问题,增强辅助配向剂对液晶分子的配向力与锚定能,加强辅助配向剂对液晶分子的垂直配向效果;本发明提供的一种垂直配向液晶显示器的制作方法,通过填充由液晶分子、辅助配向剂及可聚合单体组成的液晶层,再对液晶层施加电压,同时经UV照射使可聚合单体发生聚合反应的方式,形成具有巨大表面积并贯穿于整个液晶层的聚合物网络,该聚合物网络具有巨大的表面积,与液晶分子具有极大的接触面积,可起到稳定液晶分子配向的作用,能够解决小分子辅助配向剂配向能力较弱的问题,增强辅助配向剂对液晶分子的配向力与锚定能,加强辅助配向剂对液晶分子的垂直配向效果,且该方法更加环保、节能。
附图说明
下面结合附图,通过对本发明的具体实施方式详细描述,将使本发明的技术方案及其它有益效果显而易见。
附图中,
图1为一种现有的使用配向层的垂直配向型液晶显示器的剖面示意图;
图2为一种现有的使用配向层的MVA型液晶显示器的下基板一侧的平面俯视示意图;
图3为一种现有的使用配向层的MVA型液晶显示器的剖面示意图;
图4为一种现有的使用辅助配向剂的垂直配向型液晶显示器的剖面示意图;
图5为本发明垂直配向液晶显示器的剖面结构示意图;
图6为本发明垂直配向液晶显示器的制作方法的流程图;
图7为本发明垂直配向液晶显示器的制作方法的步骤1的示意图;
图8为本发明垂直配向液晶显示器的制作方法的步骤3的示意图;
图9、图10为本发明垂直配向液晶显示器的制作方法的步骤5的示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段极其效果,以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图5,本发明首先提供一种垂直配向液晶显示器,包括第一基板1、与所述第一基板1相对设置的第二基板2、设于所述第一基板1与第二基板2之间的液晶层3、分别设于所述第一基板1与第二基板2内侧的第一钝化层11与第二钝化层21、及分别设于所述第一钝化层11与第二钝化层21上的公共电极层12与像素电极层22。
所述第一基板1上包含但不限于黑色矩阵、彩色滤光片、光阻间隔物等,第一基板1相当于传统液晶显示器的CF基板。所述第二基板2上包含但不限于栅极线、数据线、薄膜晶体管,相当于传统液晶显示器的TFT基板。所述公共电极层12与所述像素电极层22的材料均为ITO。所述第一钝化层11与第二钝化层21的材料均为氮化硅。
所述液晶层3包括但不限于液晶分子30、辅助配向剂31、及贯穿于整个液晶层3的聚合物网络33。进一步的,所述液晶分子30为负型液晶分子。本发明垂直配向液晶显示器不使用PI配向层,而是采用液晶层3中的辅助配向剂31实现液晶分子30的垂直配向,使液晶分子30在第一与第二基板1、2的表面垂直排列,省去了PI材料的消耗,及PI喷涂、烘烤相关设备等的投入,节省了PI前烘烤与后烘烤高温制程中需要消耗的大量能量,并避免了PI制程中溶剂挥发对环境及人体造成的危害。
所述聚合物网络33具有巨大的表面积,其与液晶分子30具有极大的接触面积,能够稳定液晶分子30配向,加强所述辅助配向剂31对液晶分子30的垂直配向效果。
所述聚合物网络33由对UV光敏感的可聚合单体经UV照射发生聚合反应制得。所述可聚合单体32在液晶层3中的重量百分比为0.5%~8%,优选的,所述可聚合单体32在液晶层3中的重量百分比为1%~5%。具体的,所述可聚合单体由两种或多种包含甲基丙烯酸酯、丙烯酸酯、环氧基、及乙烯基基团的化合物组成,其包括至少一种双可聚合基团单体和至少一种多聚合基团化合物。所述多聚合基团化合物在所述可聚合单体中的重量百分比为10%-50%。
所述双可聚合基团单体含有两个可聚合基团,所述可聚合基团可以是甲基丙烯酸酯、丙烯酸酯、环氧基、或乙烯基。所述多聚合基团化合物含有三个或三个以上可聚合基团,所述可聚合基团可以是甲基丙烯酸酯、丙烯酸酯、或环氧基。由于所述多聚合基团化合物包含多个可聚合基团,可在聚合反应中起到交联中心的作用,容易形成聚合物网络33。
具体地,所述双可聚合基团单体具有如下结构通式:
其中P1,P2为聚合基团,两者可相同或不同,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种。
n1与n2为0~5的整数,两者可相同或不同。
A1与A2为六元环结构,两者可相同或不同,含取代基或不含取代基,可为苯环或环己烷结构。
X为连接基团,可为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链,或为包含1~5个直接相连或由烷基、醚、酯基间隔的六元环结构的取代或未取代链结构。
例如,所述双可聚合基团单体的具体结构可为:
或者为
所述多聚合基团化合物具有如下结构通式:
其中Y为核心原子或基团,可连接多个取代基,L为连接基团,P为聚合基团,n为3或4。
Y可为取代或未取代碳原子、氮原子、磷酸根、多元环基团等;L为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链;P选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种。
例如,所述多聚合基团化合物的具体结构可为:
或者为:
或者为:
或者为:
或者为:
请同时参阅图6至图10,本发明还提供一种垂直配向液晶显示器的制作方法,包括如下步骤:
步骤1、投入第一基板1与第二基板2。
如图7所示,所述第一基板1与第二基板2内侧分别设有第一钝化层11与第二钝化层21、所述第一钝化层11与第二钝化层21上分别设有公共电极层12与像素电极层22。
所述第一基板1上包含但不限于黑色矩阵、彩色滤光片、光阻间隔物等,第一基板1相当于传统液晶显示器的CF基板。所述第二基板2上包含但不限于栅极线、数据线、薄膜晶体管,相当于传统液晶显示器的TFT基板。所述公共电极层12与所述像素电极层22的材料均为ITO。所述第一钝化层11与第二钝化层21的材料均为氮化硅。
步骤2、在所述第一基板1或第二基板2上涂布胶框。
步骤3、在所述胶框围成的区域内填充液晶层3。
如图8所示,所述液晶层3包括但不限于液晶分子30、辅助配向剂31及可聚合单体32。所述液晶分子30为负型液晶分子。
所述可聚合单体32在液晶层3中的重量百分比为0.5%~8%,优选的,所述可聚合单体32在液晶层3中的重量百分比为1%~5%。具体的,所述可聚合单体由两种或多种包含甲基丙烯酸酯、丙烯酸酯、环氧基、及乙烯基基团的化合物组成,其中包括至少一种双可聚合基团单体和至少一种多聚合基团化合物。所述多聚合基团化合物在所述可聚合单体中的重量百分比为10%-50%。
所述双可聚合基团单体含有两个可聚合基团,所述可聚合基团可以是甲基丙烯酸酯、丙烯酸酯、环氧基、或乙烯基。所述多聚合基团化合物含有三个或三个以上可聚合基团,所述可聚合基团可以是甲基丙烯酸酯、丙烯酸酯、或环氧基。由于所述多聚合基团化合物包含多个可聚合基团,可在聚合反应中起到交联中心的作用,容易形成聚合物网络33。
具体地,所述双可聚合基团单体具有如下结构通式:
其中P1,P2为聚合基团,两者可相同或不同,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种。
n1与n2为0~5的整数,两者可相同或不同。
A1与A2为六元环结构,两者可相同或不同,含取代基或不含取代基,可为苯环或环己烷结构。
X为连接基团,可为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链,或为包含1~5个直接相连或由烷基、醚、酯基间隔的六元环结构的取代或未取代链结构。
例如,所述双可聚合基团单体的具体结构可为:
或者为
所述多聚合基团化合物具有如下结构通式:
其中Y为核心原子或基团,可连接多个取代基,L为连接基团,P为聚合基团,n为3或4。
Y可为取代或未取代碳原子、氮原子、磷酸根、多元环基团等;L为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链;P选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种。
例如,所述多聚合基团化合物的具体结构可为:
或者为:
或者为:
或者为:
或者为:
步骤4、将第一基板1与第二基板2进行对组。
步骤5、如图9所示,对所述公共电极层12与像素电极层22施加电压,使所述液晶层3中的液晶分子30产生一定的偏转,同时采用UV照射所述液晶层3。
如图10所示,所述可聚合单体32发生聚合反应,形成贯穿于整个液晶层3的聚合物网络33。所述聚合物网络33具有巨大的表面积,其与液晶分子30具有极大的接触面积,能够稳定液晶分子30配向,加强所述辅助配向剂31对液晶分子30的垂直配向效果。
另外,本发明垂直配向液晶显示器的制作方法,不制作PI配向层,省去了PI材料的消耗,及PI喷涂、烘烤相关设备等的投入,节省了PI前烘烤与后烘烤高温制程中需要消耗的大量能量,并避免了PI制程中溶剂挥发对环境及人体造成的危害。
综上所述,本发明垂直配向液晶显示器,其液晶层包括液晶分子、辅助配向剂、及贯穿于整个液晶层的聚合物网络,通过辅助配向剂实现对液晶分子的垂直配向,由于聚合物网络具有巨大的表面积,与液晶分子具有极大的接触面积,可起到稳定液晶分子配向的作用,从而能够解决小分子辅助配向剂配向能力较弱的问题,增强辅助配向剂对液晶分子的配向力与锚定能,加强辅助配向剂对液晶分子的垂直配向效果;本发明垂直配向液晶显示器的制作方法,通过填充由液晶分子、辅助配向剂及可聚合单体组成的液晶层,再对液晶层施加电压,同时经UV照射使可聚合单体发生聚合反应的方式,形成具有巨大表面积并贯穿于整个液晶层的聚合物网络,该聚合物网络具有巨大的表面积,与液晶分子具有极大的接触面积,可起到稳定液晶分子配向的作用,能够解决小分子辅助配向剂配向能力较弱的问题,增强辅助配向剂对液晶分子的配向力与锚定能,加强辅助配向剂对液晶分子的垂直配向效果,且该方法更加环保、节能。
以上所述,对于本领域的普通技术人员来说,可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形,而所有这些改变和变形都应属于本发明权利要求的保护范围。
Claims (5)
1.一种垂直配向液晶显示器,其特征在于,包括第一基板(1)、与所述第一基板(1)相对设置的第二基板(2)、设于所述第一基板(1)与第二基板(2)之间的液晶层(3)、分别设于所述第一基板(1)与第二基板(2)内侧的第一钝化层(11)与第二钝化层(21)、及分别设于所述第一钝化层(11)与第二钝化层(21)上的公共电极层(12)与像素电极层(22);
所述液晶层(3)包括液晶分子(30)、辅助配向剂(31)、及贯穿于整个液晶层(3)的聚合物网络(33);所述辅助配向剂(31)使液晶层(3)中的液晶分子(30)在第一基板(1)与第二基板(2)的表面垂直排列;所述聚合物网络(33)稳定液晶分子(30)配向,加强所述辅助配向剂(31)对液晶分子(30)的垂直配向效果;
所述液晶分子(30)为负型液晶分子;所述聚合物网络(33)由可聚合单体经UV照射发生聚合反应制得;
所述可聚合单体包括至少一种双可聚合基团单体和至少一种多聚合基团化合物;所述多聚合基团化合物在所述可聚合单体中的重量百分比为10%-50%;
所述双可聚合基团单体的结构通式为:
其中P1,P2为聚合基团,两者相同或不同,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种,
n1与n2为0~5的整数,两者相同或不同,
A1与A2为六元环结构,两者相同或不同,均含取代基或不含取代基,均为苯环或环己烷结构,
X为连接基团,为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链,或为包含1~5个直接相连或由烷基、醚、酯基间隔的六元环结构的取代或未取代链结构;
所述多聚合基团化合物的结构通式为:
其中Y为核心原子或基团,连接多个取代基,为取代或未取代碳原子、氮原子、磷酸根、多元环基团,
L为连接基团,其为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链;
P为聚合基团,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种,
n为3或4。
2.如权利要求1所述的垂直配向液晶显示器,其特征在于,所述可聚合单体在液晶层(3)中的重量百分比为0.5%~8%。
3.如权利要求2所述的垂直配向液晶显示器,其特征在于,所述可聚合单体在液晶层(3)中的重量百分比为1%~5%。
4.一种垂直配向液晶显示器的制作方法,其特征在于,包括如下步骤:
步骤1、投入第一基板(1)与第二基板(2);
所述第一基板(1)与第二基板(2)内侧分别设有第一钝化层(11)与第二钝化层(21)、所述第一钝化层(11)与第二钝化层(21)上分别设有公共电极层(12)与像素电极层(22);
步骤2、在所述第一基板(1)或第二基板(2)上涂布胶框;
步骤3、在所述胶框围成的区域内填充液晶层(3);
所述液晶层(3)包括液晶分子(30)、辅助配向剂(31)及可聚合单体(32);
所述可聚合单体(32)在液晶层(3)中的重量百分比为0.5%~8%;
步骤4、将第一基板(1)与第二基板(2)进行对组;
步骤5、对所述公共电极层(12)与像素电极层(22)施加电压,使所述液晶层(3)中的液晶分子(30)产生一定的偏转,同时采用UV照射所述液晶层(3);
所述可聚合单体(32)发生聚合反应,形成贯穿于整个液晶层(3)的聚合物网络(33);
所述可聚合单体(32)包括至少一种双可聚合基团单体和至少一种多聚合基团化合物;所述多聚合基团化合物在所述可聚合单体(32)中的重量百分比为10%-50%;
所述双可聚合基团单体的结构通式为:
其中P1,P2为聚合基团,两者相同或不同,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种,
n1与n2为0~5的整数,两者相同或不同,
A1与A2为六元环结构,两者相同或不同,均含取代基或不含取代基,均为苯环或环己烷结构,
X为连接基团,为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链,或为包含1~5个直接相连或由烷基、醚、酯基间隔的六元环结构的取代或未取代链结构;
所述多聚合基团化合物的结构通式为:
其中Y为核心原子或基团,连接多个取代基,为取代或未取代碳原子、氮原子、磷酸根、多元环基团,
L为连接基团,其为主链包含1~20个原子的取代或未取代的烷基、醚、酯基链;
P为聚合基团,选自甲基丙烯酸酯、丙烯酸酯、环氧基、乙烯基中的一种,
n为3或4。
5.如权利要求4所述的垂直配向液晶显示器的制作方法,其特征在于,所述可聚合单体(32)在液晶层(3)中的重量百分比为1%~5%,所述液晶分子(30)为负型液晶分子。
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