CN106201100B - 一种触摸显示屏及其制备方法 - Google Patents

一种触摸显示屏及其制备方法 Download PDF

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CN106201100B
CN106201100B CN201610576099.9A CN201610576099A CN106201100B CN 106201100 B CN106201100 B CN 106201100B CN 201610576099 A CN201610576099 A CN 201610576099A CN 106201100 B CN106201100 B CN 106201100B
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CN106201100A (zh
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何敏
王静
谢晓冬
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BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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Hefei Xinsheng Optoelectronics Technology Co Ltd
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Abstract

本发明实施例提供一种触摸显示屏及其制备方法,涉及触控技术领域,可提升触摸显示屏的整体强度,且成本较低。该触摸显示屏,包括触摸屏和显示屏,还包括:沿所述触摸屏侧面一圈设置的缓冲层。用于低成本触摸显示屏。

Description

一种触摸显示屏及其制备方法
技术领域
本发明涉及触控技术领域,尤其涉及一种触摸显示屏及其制备方法。
背景技术
随着显示技术的发展,触摸显示技术进入快速发展的时期,正越来越广泛地应用于手机、平板电脑,甚至已经在笔记本电脑、显示器、电视上得到了应用。
其中,触摸产品均对触摸屏强度有要求,特别是手机、平板类产品,多项实验证明,触摸产品中触摸屏的裂纹都是从玻璃边缘开始的,触摸屏边缘强度对整个触摸屏的强度起着至关重要的作用。
现有的做法可采用高强度玻璃作为基材来满足触摸产品的强度要求,但是,随着触摸显示屏技术的普及,其技术门槛在不断下降,竞争也更为激烈,从而使得制造者采取不断降低成本的方式来保证其盈利,因而导致价格昂贵的高强度玻璃很难被应用在低成本的触摸产品上。
发明内容
本发明的实施例提供一种触摸显示屏及其制备方法,可提升触摸显示屏的整体强度,且成本较低。
为达到上述目的,本发明的实施例采用如下技术方案:
一方面,提供一种触摸显示屏,包括触摸屏和显示屏,还包括:沿所述触摸屏侧面一圈设置的缓冲层。
优选的,所述缓冲层的厚度为10~100μm。
优选的,所述触摸屏和所述显示屏通过胶层贴合;所述缓冲层和所述胶层的材料相同。
进一步优选的,所述缓冲层和所述胶层的材料为OCR。
基于上述,可选的,所述显示屏为LCD显示屏,或OLED显示屏。
另一方面,提供一种触摸显示屏的制备方法,包括:沿触摸屏侧面一圈形成缓冲层;在所述触摸屏的贴合面形成胶层;将显示屏的贴合面和所述触摸屏的贴合面对准贴合,形成所述触摸显示屏。
优选的,所述缓冲层的厚度为10~100μm。
优选的,所述方法具体包括:在所述触摸屏的触摸面形成保护膜;将贴附有所述保护膜的所述触摸屏置于贴合治具中,使所述保护膜与所述贴合治具的底部接触;其中,所述触摸屏与所述贴合治具的侧壁之间具有间隙;在所述贴合治具与所述触摸屏之间间隙中注入水胶;并在所述触摸屏的贴合面与所述显示屏对应的区域涂覆水胶;将显示屏的贴合面和所述触摸屏的贴合面对准贴合,并将所述贴合治具放入炉中对水胶进行固化,以使位于所述贴合治具与所述触摸屏之间的水胶形成所述缓冲层,使所述触摸屏和所述显示屏之间的水胶形成所述胶层;移除所述贴合治具,并撕除所述保护膜。
进一步优选的,所述水胶为OCR。
优选的,将贴附有所述保护膜的所述触摸屏置于贴合治具中之前,所述方法还包括:在所述贴合治具的侧壁内表面涂覆离型剂。
本发明的实施例提供一种触摸显示屏及其制备方法,通过在触摸屏外侧边缘形成一圈缓冲层,可在触摸屏受到冲击时,缓冲层可以起到软垫的作用,缓释触摸屏受到的冲击力,可有效提高触摸屏的边缘强度,从而可提升触摸显示屏的整体强度。在此基础上,相较于采用价格昂贵的高强度玻璃,缓冲层材料可选择普通的常规材料而且用量较少,因此本发明实施例的触摸显示屏可降低成本。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1(a)为本发明实施例提供的一种触摸显示屏的剖视示意图;
图1(b)为本发明实施例提供的一种触摸屏的俯视示意图;
图2(a)为本发明实施例提供的一种触控结构的示意图一;
图2(b)为本发明实施例提供的一种触控结构的示意图二;
图2(c)为本发明实施例提供的一种触控结构的示意图三;
图3为本发明实施例提供的一种显示屏的结构示意图一;
图4为本发明实施例提供的一种显示屏的结构示意图二;
图5为本发明实施例提供的一种制备触摸显示屏的流程示意图;
图6(a)-6(d)为本发明实施例提供的一种制备触摸显示屏的过程示意图。
附图标记:
10-触摸屏;11-玻璃基板;12-触控结构;20-显示屏;21-阵列基板;22-对盒基板;23-液晶层;24-封装盖板;30-缓冲层;40-胶层;50-保护膜;60-贴合治具;70-水胶;211-TFT;212-像素电极;213-公共电极;214-阳极;215-阴极;216-有机材料功能层;221-彩膜;222-黑矩阵。
具体实施方式
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做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。
本发明实施例提供一种触摸显示屏,如图1(a)和图1(b)所示,包括触摸屏10和显示屏20,进一步还包括:沿触摸屏10侧面一圈设置的缓冲层30。
其中,触摸屏包括玻璃基板11,以及设置在所述玻璃基板11上的触控结构12。该触控结构12可以是基于自容方式的触控结构12,也可以是基于互容方式的触控结构12。
对于自容方式的触控结构12,可以如图2(a)所示,包括多个矩形的触控电极。对于互容方式的触控结构12,可以如图2(b),或图2(c)所示,包括交叉设置的触控感应电极和触控驱动电极。
显示屏20可以是液晶显示屏,或者是有机电致发光二极管(Organic Light-Emitting Diode,简称OLED)显示屏,还可以是电泳显示屏等任意类型的显示屏。
具体的,当显示屏20为液晶显示屏时,如图3所示,包括阵列基板21、对盒基板22以及设置在二者之间的液晶层23。
阵列基板21包括设置在衬底上的薄膜晶体管(Thin Film Transistor,简称TFT)211,以及与TFT211的漏极电连接的像素电极212。进一步的还可以包括公共电极213。基于此,像素电极212与公共电极213可以如图3所示,不同层设置;其中在上的电极为条状电极,在下的电极为板状电极。当然,像素电极212与公共电极213也可以同层设置;其中像素电极212与公共电极213间隔设置,且均为条状电极。
所述TFT211可以是非晶硅TFT、多晶硅TFT、金属氧化物TFT、有机TFT等。可以是底栅型,也可以是顶栅型。
对盒基板22可以包括彩膜221和黑矩阵222。
当然,彩膜221也可以设置在阵列基板21上。公共电极213也可以设置在对盒基板22上。
当显示屏20为OLED显示屏时,如图4所示,包括设置在衬底上的TFT211、与TFT的漏极电连接的阳极214,还包括阴极215和有机材料功能层216,以及封装盖板24。
所述有机材料功能层216至少包括电子传输层、发光层和空穴传输层;为了能够提高所述电子和所述空穴注入发光层的效率,所述有机材料功能层还可以包括设置在所述阴极与所述电子传输层之间的电子注入层,以及在所述阳极与所述空穴传输层之间的空穴注入层。
需要说明的是,第一,触摸屏10和显示屏20通过胶层40贴合。其中,对于胶层40的材料,需能使触摸屏10和显示屏20贴合,且对从显示屏20发出的光的透过率影响较小。
第二,缓冲层30可沿玻璃基板11侧面一圈设置。其中,玻璃基板11包括设置触控结构12的上表面、与上表面相对的下表面外,以及位于上表面和下表面之间的侧面,缓冲层30即设置在玻璃基板11的除上表面和下表面外的侧面。
第三,不对缓冲层30的材料进行限定,只要能起到缓释触摸屏10边缘受到的冲击力即可。
其中,考虑到生产成本,本发明实施例优选采用树脂材料作为缓冲层30材料。
基于此,玻璃基板11采用普通玻璃基板即可,无需采用价格昂贵的高强度玻璃。
本发明实施例提供一种触摸显示屏,通过在触摸屏10外侧边缘形成一圈缓冲层30,可在触摸屏10受到冲击时,缓冲层30可以起到软垫的作用,缓释触摸屏10受到的冲击力,可有效提高触摸屏10的边缘强度,从而可提升触摸显示屏的整体强度。在此基础上,相较于采用价格昂贵的高强度玻璃,缓冲层30材料可选择普通的常规材料而且用量较少,因此本发明实施例的触摸显示屏可降低成本。
优选的,所述缓冲层30的厚度相同。
优选的,所述缓冲层30的厚度为10~100μm。
其中,缓冲层30的厚度是指,沿垂直玻璃基板11侧面的方向上,缓冲层30的厚度。
这样,一方面,可避免由于缓冲层30太厚而导致后续与机壳不好组装,从而可兼容现有的机壳;另一方面,可避免由于缓冲层30太薄而难以缓释触摸屏10受到的冲击力。
基于上述,考虑到触摸显示屏的制备过程为:先在触摸屏10的贴合面(即玻璃基板11的设置有触控结构的一侧)形成胶层40,然后将显示屏20的贴合面(即出光面)与触摸屏10的贴合面进行贴合,从而形成触摸显示屏。基于此,可通过设计相应的贴合治具,以使在形成胶层40的过程中,同时在触摸屏10的侧面一圈形成缓冲层30。
本发明实施例,通过将缓冲层30的材料设置为与胶层40相同,可简化工艺,并进一步降低成本。
进一步的,考虑到光学透明胶(Optical Clear Resin,简称OCR)具有粘结性好、透明度高、对显示影响小等特点,因此,本发明实施例优选缓冲层30和胶层40的材料为OCR。
本发明实施例还提供一种触摸显示屏的制备方法,参考图1所示,包括:沿触摸屏10侧面一圈形成缓冲层30;在触摸屏10的贴合面形成胶层40;将显示屏20的贴合面和触摸屏10的贴合面对准贴合,形成触摸显示屏。
本发明实施例提供一种触摸显示屏的制备方法,通过在触摸屏10外侧边缘形成一圈缓冲层30,可在触摸屏10受到冲击时,缓冲层30可以起到软垫的作用,缓释触摸屏10受到的冲击力,可有效提高触摸屏10的边缘强度,从而可提升触摸显示屏的整体强度。在此基础上,相较于采用价格昂贵的高强度玻璃,缓冲层30材料可选择普通的常规材料而且用量较少,因此本发明实施例的触摸显示屏可降低成本。
优选的,所述缓冲层30的厚度为10~100μm。
这样,一方面,可避免由于缓冲层30太厚而导致后续与机壳不好组装,从而可兼容现有的机壳;另一方面,可避免由于缓冲层30太薄而难以缓释触摸屏10受到的冲击力。
基于上述,如图5所示,触摸显示屏的制备方法具体包括如下步骤:
S10、如图6(a)所示,在触摸屏10的触摸面形成保护膜50。
此处,触摸屏10的触摸面即为触摸屏10的玻璃基板11远离触控结构12的一侧表面。
保护膜50的材料可以是有机材料。保护膜50的作用是避免后续注入水胶时,水胶粘附在所述玻璃基板11上而导致触摸屏10的触摸面不平整。
S11、如图6(b)所示,将贴附有保护膜50的触摸屏10置于贴合治具60中,使保护膜50与贴合治具60的底部接触;其中,触摸屏10与贴合治具60的侧壁之间具有间隙。
S12、如图6(c)所示,在贴合治具60与触摸屏10之间间隙中注入水胶70;并在触摸屏10的贴合面与显示屏10对应的区域涂覆水胶70。
此处,贴合治具60的形状可与玻璃基板11的形状相同,贴合治具60与触摸屏10之间间隙的宽度可根据缓冲层30的厚度而定。
S13、如图6(d)所示,将显示屏20的贴合面和触摸屏10的贴合面对准贴合,并将贴合治具60放入炉中对水胶70进行固化,以使位于贴合治具60与触摸屏10之间的水胶70形成所述缓冲层30,使触摸屏10和显示屏20之间的水胶70形成所述胶层40。
此处,炉内的温度可控制在150~200℃。
S14、移除贴合治具60,并撕除保护膜50,形成如图1所示的触摸显示屏。
此处,为了在将贴合治具60移除时,避免连带着将缓冲层30移除,优选,在S11之前,在贴合治具60的侧壁内表面涂覆离型剂。
当然,也可以将贴合治具60的材料设置为不易与缓冲层30粘附的材料。
基于上述,考虑到OCR具有粘结性好、透明度高、对显示影响小等特点,因此,本发明实施例优选水胶70为OCR。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应以所述权利要求的保护范围为准。

Claims (4)

1.一种触摸显示屏,包括触摸屏和显示屏,其特征在于,还包括:沿所述触摸屏侧面一圈设置的缓冲层;
所述触摸屏和所述显示屏通过胶层贴合;
所述缓冲层和所述胶层的材料相同;
所述缓冲层的厚度为10~100μm;所述缓冲层和所述胶层的材料为OCR。
2.根据权利要求1所述的触摸显示屏,其特征在于,所述显示屏为LCD显示屏,或OLED显示屏。
3.一种触摸显示屏的制备方法,其特征在于,包括:
沿触摸屏侧面一圈形成缓冲层;
在所述触摸屏的贴合面形成胶层;
将显示屏的贴合面和所述触摸屏的贴合面对准贴合,形成所述触摸显示屏;
所述方法具体包括:在所述触摸屏的触摸面形成保护膜;
将贴附有所述保护膜的所述触摸屏置于贴合治具中,使所述保护膜与所述贴合治具的底部接触;其中,所述触摸屏与所述贴合治具的侧壁之间具有间隙;
在所述贴合治具与所述触摸屏之间间隙中注入水胶;并在所述触摸屏的贴合面与所述显示屏对应的区域涂覆水胶;
将显示屏的贴合面和所述触摸屏的贴合面对准贴合,并将所述贴合治具放入炉中对水胶进行固化,以使位于所述贴合治具与所述触摸屏之间的水胶形成所述缓冲层,使所述触摸屏和所述显示屏之间的水胶形成所述胶层;
移除所述贴合治具,并撕除所述保护膜;
所述缓冲层的厚度为10~100μm;所述水胶为OCR。
4.根据权利要求3所述的制备方法,其特征在于,将贴附有所述保护膜的所述触摸屏置于贴合治具中之前,所述方法还包括:
在所述贴合治具的侧壁内表面涂覆离型剂。
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