CN103646611A - 一种阵列基板、柔性显示器件及阵列基板的制作方法 - Google Patents

一种阵列基板、柔性显示器件及阵列基板的制作方法 Download PDF

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CN103646611A
CN103646611A CN201310397916.0A CN201310397916A CN103646611A CN 103646611 A CN103646611 A CN 103646611A CN 201310397916 A CN201310397916 A CN 201310397916A CN 103646611 A CN103646611 A CN 103646611A
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秦纬
周伟峰
程鸿飞
苏京
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BOE Technology Group Co Ltd
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Abstract

本发明公开了一种阵列基板、柔性显示器件及阵列基板的制作方法,该阵列基板,包括划分为显示区和外围区的柔性基板和在所述柔性基板上形成的阵列层,所述显示区的柔性基板具有第一厚度,所述外围区的柔性基板的至少一部分具有大于所述第一厚度的第二厚度。本发明实施例的阵列基板中,由于柔性基板在外围区具有一加厚部,该加厚部的设置能够满足不可弯折区域的强度要求。同时,该加厚部能够通过一具有相应的凹陷结构的基板来一次形成,降低了工艺复杂度。

Description

一种阵列基板、柔性显示器件及阵列基板的制作方法
技术领域
本发明涉及柔性显示,特别是一种阵列基板、柔性显示器件及阵列基板的制作方法。 
背景技术
柔板显示(Flexible displays)是指一类使用柔性基板,可以制造成超薄、超大、可弯曲的显示器件或显示技术。柔性显示的最主要特点可以用三个字来描述:薄、轻、柔。 
现有技术的柔性基板一般分为两个区域:一部分是不可弯折区域(一般位于柔性基板的外围区的柔性基板),一部分是可弯折区域,如图1所示,阵列基板1其中设置驱动模块4的位置为不可弯折区,该驱动模块4与数据线2以及栅线3连接,来驱动面板中设置的薄膜晶体管TFT5,所以基板在设置驱动模块4的位置要有一定强度保证不易弯折。 
目前的方法是,如图2所示,驱动模块4设置于阵列层6之上。 
在此对阵列层简单说明如下。在本发明的具体实施例中,该阵列层即阵列基板上的显示结构,一般情况下包括栅线、绝缘层、数据线、TFT等结构。 
如图2所示,柔性基板7在末端弯折,相当于在外围设置了两层柔性基板,加大了强度。然而上述的方式至少存在如下缺点:需要增加一道弯折的工序,同时弯折的地方很难保证平整。 
发明内容
本发明实施例的目的在于提供一种阵列基板、柔性显示器件及阵列基板的制作方法,以简单可靠的方式保证不可弯折区域的强度。 
为了实现上述目的,本发明实施例提供了一种阵列基板,包括划分为显示区的柔性基板和外围区的柔性基板的柔性基板和在柔性基板上形成的阵列层, 所述显示区的柔性基板具有第一厚度,所述外围区的柔性基板的至少一部分具有大于第一厚度的第二厚度。 
上述的阵列基板,其中,所述阵列基板还设置有用于驱动所述阵列层的驱动模块,所述驱动模块设置于所述外围区的柔性基板具有第二厚度的部分的上方。 
上述的阵列基板,其中,具有第二厚度的部分对应设置于所述柔性基板的相对的两个侧边。 
为了实现上述目的,本发明实施例还提供了一种柔性显示器件,包括上述任意的阵列基板。 
为了实现上述目的,本发明实施例还提供了一种阵列基板的制作方法,包括: 
提供一基板,所述基板的上表面上包括至少一个分布于边缘的凹陷结构; 
在所述基板的上表面上形成划分为显示区和外围区的柔性基板,其中,柔性基板对应于所述凹陷结构的部分为外围区的柔性基板的一部分,柔性基板对应于所述凹陷结构的部分具有大于显示区的柔性基板的第一厚度的第二厚度; 
在所述柔性基板上形成阵列层。 
上述的阵列基板的制作方法,其中,还包括: 
在所述柔性基板的外围区设置驱动模块,得到所述阵列基板,所述驱动模块设置于所述外围区的柔性基板具有第二厚度的部分的上方。 
上述的阵列基板的制作方法,其中,还包括: 
从所述基板上剥离所述阵列基板。 
上述的阵列基板的制作方法,其中,所述凹陷结构分布于所述基板相对的两个侧边。 
本发明实施例的阵列基板中,由于柔性基板在外围区具有一加厚部,该加厚部的设置能够满足不可弯折区域的强度要求。同时,该加厚部能够通过一具有相应的凹陷结构的基板来一次形成,降低了工艺复杂度。 
附图说明
图1表示现有技术的柔性阵列基板的结构示意图; 
图2表示现有技术的柔性阵列基板的截面示意图; 
图3-图10为本发明实施例的各种柔性阵列基板的截面示意图; 
图11a-图11e为本发明实施例的制作阵列基板的流程示意图。 
具体实施方式
本发明实施例的阵列基板、柔性显示器件及阵列基板的制作方法中,将阵列基板的外围区设置一加厚部,通过该一体成型的加厚部来保证不可弯折区域的强度,既降低了工艺流程的复杂度,又保证了产品的质量要求。 
本发明实施例的阵列基板,如图3所示,包括划分为显示区和外围区的柔性基板7和在柔性基板7上形成的阵列层6,其中,所述显示区的柔性基板具有第一厚度d1,所述外围区的柔性基板的至少一部分具有大于第一厚度d1的第二厚度d2。 
如图3所示,本发明实施例的阵列基板中,由于柔性基板7在外围区具有一加厚部,该加厚部的设置能够满足不可弯折区域的强度要求。同时,该加厚部能够通过一具有相应的凹陷结构的基板来一次形成,降低了工艺复杂度。 
在此,应该说明的是,图2中柔性基板的每一部分的厚度都是相同的,只不过是弯折。 
在此,应当予以说明的是,在本发明具体实施例中,所述外围区的柔性基板的至少一部分具有大于第一厚度d1的第二厚度d2,仅仅表明外围区的柔性基板具有一相对加厚的部位,但并不表示该加厚的部位只能存在于外围区的柔性基板。 
如图4所示,为本发明实施例的另一种阵列基板的结构示意图,其中可以明显看出,该加厚部位不但覆盖了外围区,同时还延伸到了显示区。 
在此,应当予以说明的是,在本发明具体实施例中,所述外围区的柔性基板的至少一部分具有大于第一厚度d1的第二厚度d2,仅仅表明外围区的柔性基板具有一相对加厚的部位,但并不表示外围区的柔性基板全部都具有第二厚度d2。 
如图5所示,为本发明实施例的再一种阵列基板的结构示意图,其中可以明显看出,该加厚部位仅覆盖了外围区的一部分,同时还延伸到了显示区。 
如图6所示,为本发明实施例的又一种阵列基板的结构示意图,其中可以明显看出,该加厚部位仅覆盖了外围区的一部分,但没有延伸到了显示区。 
如图7所示,为本发明实施例的又一种阵列基板的结构示意图,其中可以明显看出,该加厚部位仅覆盖了外围区的柔性基板中间的一部分。 
同时,在本发明的具体实施例中,该加厚部可以仅设置于柔性基板的一个侧边,但也可以是同时设置于柔性基板相对的两个侧边,也就是说,具有第二厚度的部分对应设置于所述柔性基板的相对的两个侧边。 
本发明实施例中,所述阵列基板还设置有用于驱动所述阵列层的驱动模块,所述驱动模块设置于所述外围区的柔性基板具有第二厚度的部分的上方。 
具有第二厚度的部分对应设置于所述阵列基板的相对的两个侧边时,如图8所示,可以在阵列基板相对的两侧来设置两个驱动模块4,驱动更加灵活。 
但应当理解的是,该具有第二厚度的部分也可以用于来加厚其他外围区的柔性基板,如外围区的柔性基板中的边框区等,在此不一一详细说明。 
而且在上述的图3-图8中,加厚部与不加厚的部分之间呈阶梯状,但应当理解的是,该加厚部也可以是厚度连续变化的加厚部,如图9-图10所示。 
但应当理解的是,上述的加厚部可以是一个,也可以是多个,同时该加厚部还可能是其他可能的结构,如梯形结构,三角形结构等,在此不一一详细说明。 
本发明实施例还公开了一种柔性显示器件,包括上述任意的阵列基板,其中,阵列基板的结构以及工作原理同上述实施例,在此不再赘述。另外,柔性显示器件其他部分的结构可以参考现有技术,对此本文不再详细描述。该柔性显示器件可以为:液晶面板、电子纸、液晶电视、液晶显示器、数码相框、手机、平板电脑等具有任何显示功能的产品或部件。 
本发明实施例还提供一种阵列基板的制作方法,其中,如图11a-11e所示,包括: 
步骤A1,提供一基板8,所述基板的上表面上包括至少一个分布于边缘的凹陷结构801; 
步骤A2,在所述基板的上表面上形成划分为显示区和外围区的柔性基板7,其中,柔性基板7对应于所述凹陷结构的部分为外围区的柔性基板的一部 分,柔性基板7对应于所述凹陷结构的部分具有大于显示区的柔性基板的第一厚度d1的第二厚度d2; 
步骤A3,在所述柔性基板7上形成阵列层6。 
当柔性基板在涂覆成型的过程中,整个柔性基板7的上表面都是均匀的,而由于基板8存在凹陷结构801,因此对应于凹陷结构801的位置,柔性基板7会形成厚度较大的加厚部,其强度相对于厚度为d1的部分更高,因此能够满足不可弯折区域的强度要求。而同时,通过设置一个具有凹陷结构的基板即可形成该加厚部,不用增加任何的工序,实现也非常简单。 
在本发明的具体实施例中,该加厚部可以仅设置于阵列基板的一个侧边,但也可以是同时设置于阵列基板相对的两个侧边,也就是说,具有第二厚度的部分对应设置于所述阵列基板的相对的两个侧边。 
当然,还可以在阵列基板更多的侧边来设置该加厚部,在此不一一详细说明。 
考虑到对驱动模块的保护,在本发明的具体实施例中,所述驱动模块设置于所述外围区的柔性基板具有第二厚度的部分的上方。 
也就是说,本发明实施例的阵列基板的制作方法如图11d所示,还包括: 
步骤A4,在所述柔性基板7的外围区设置驱动模块4,得到所述阵列基板,所述驱动模块4设置于所述外围区的柔性基板具有第二厚度d2的部分的上方。如图11d所示,由于驱动模块4位于柔性基板7的具有加厚部的部分的上方,而柔性基板7的具有加厚部的部分由于厚度较大,因此能够提供更好的强度,保证这部分难以弯折,对驱动模块提供了良好的保护。 
在基板上形成上述的阵列基板之后,即可将该阵列基板结构从基板上剥离,得到如图11e所示的阵列基板。 
当然,该驱动模块中用于驱动栅线的栅极驱动模块可以通过GOA(Gate on Array)方式和阵列层一起形成。 
在本发明的具体实施例中,是以在驱动模块对应的位置来设置上述的一个加厚结构为例进行的说明,但应当理解的是,该加厚结构也可以设置于其他的位置,数量也可以是多个。如在本发明的具体实施例中,所述凹陷结构可以是分布于所述基板相对的两个侧边。 
在本发明的具体实施例中,分布于所述基板相对的两个侧边的凹陷结构可以是对称分布的。 
在制作过程中,只需要根据加厚结构的位置和数量选择具有对应数量和对应位置的凹陷结构的基板即可,在此不一一详细说明。 
在本发明的具体实施例中,该基板可以是各种材质的适用形成柔性基板且易于剥离的基板,在本发明具体实施例中,优选的,所述基板为玻璃基板,可以重复多次使用。 
以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 

Claims (8)

1.一种阵列基板,包括划分为显示区和外围区的柔性基板和在所述柔性基板上形成的阵列层,其特征在于,所述显示区的柔性基板具有第一厚度,所述外围区的柔性基板的至少一部分具有大于所述第一厚度的第二厚度。
2.根据权利要求1所述的阵列基板,其特征在于,所述阵列基板还设置有用于驱动所述阵列层的驱动模块,所述驱动模块设置于所述外围区具有第二厚度的部分的上方。
3.根据权利要求1所述的阵列基板,其特征在于,具有第二厚度的部分对应设置于所述柔性基板的相对的两个侧边。
4.一种柔性显示器件,包括权利要求1-3中任意一项所述的阵列基板。
5.一种阵列基板的制作方法,其特征在于,包括:
提供一基板,所述基板的上表面上包括至少一个分布于边缘的凹陷结构;
在所述基板的上表面上形成划分为显示区和外围区的柔性基板,其中,柔性基板对应于所述凹陷结构的部分为外围区的柔性基板的一部分,柔性基板对应于所述凹陷结构的部分具有大于显示区的柔性基板的第一厚度的第二厚度;
在所述柔性基板上形成阵列层。
6.根据权利要求5所述的阵列基板的制作方法,其特征在于,还包括:
在所述柔性基板的外围区设置用于驱动所述阵列层的驱动模块,得到所述阵列基板,所述驱动模块设置于所述柔性基板具有第二厚度的部分的上方。
7.根据权利要求6所述的阵列基板的制作方法,其特征在于,在得到所述阵列基板之后还包括:
从所述基板上剥离所述阵列基板。
8.根据权利要求6所述的阵列基板的制作方法,其特征在于,所述凹陷结构分布于所述基板相对的两个侧边。
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