CN104765180B - 一种显示母板、显示面板、显示装置 - Google Patents

一种显示母板、显示面板、显示装置 Download PDF

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CN104765180B
CN104765180B CN201510218079.XA CN201510218079A CN104765180B CN 104765180 B CN104765180 B CN 104765180B CN 201510218079 A CN201510218079 A CN 201510218079A CN 104765180 B CN104765180 B CN 104765180B
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安杨
彭志龙
代伍坤
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Abstract

本发明提供一种显示母板、显示面板、显示装置，用于解决现有技术的显示母板在分割过程中切割不顺利的问题。本发明提供一种显示母板、显示面板、显示装置，由于在显示母板的切割区设有突起部，该突起部能在显示母板分割时使切割应力更加集中，减少了封框胶在基板上的粘附，从而使显示母板分割更加顺利。

Description

一种显示母板、显示面板、显示装置
技术领域
本发明涉及显示技术领域，具体地，涉及一种显示母板、显示面板、显示装置。
背景技术
如图1和2所示，在显示面板2的制备工艺中一般是将在显示母板1上呈矩阵排列的显示面板2切割获得，其中，显示母板1包括：两相对设置的第一基板和第二基板；所述第一基板可以为阵列基板，第二基板可以为彩膜基板6；
及设置在所述的阵列基板和彩膜基板6之间的用于密封所述阵列基板和彩膜基板6的封框胶3；
所述封框胶3在所述显示母板1限定出多个呈矩阵排列的显示面板2；
还包括与所述封框胶3对应的在第一基板上设置的切割区4；切割区4在垂直于显示母板1方向的投影面积位于封框胶3在垂直于显示母板1方向上的投影面积之内，沿上述的切割区4切割即可形成独立的显示面板2。
在阵列基板11的制备中切割区4对应的阵列基板11相对于显示面板2的显示区域对应的阵列基板11功能层较少，例如，除了一些绝缘层保留在切割区4对应的阵列基板11上外，源漏极金属层、栅极层10在该区域都不会保留，因此，切割区4的阵列基板11和彩膜基板6的距离相对较远，其中涂覆的封框胶3较厚，在切割时难以顺利将显示母板1切割开，封框胶3容易粘附在两侧的显示面板2的基板上；
同时，由于切割区4的阵列基板11上保留的功能层，例如，平坦化层7较为平坦，切割刃具在切割显示母板1时形成应力比较分散，难以以较小的切割作用将显示母板1进行分割。
发明内容
解决上述问题所采用的技术方案是一种显示母板、显示面板、显示装置。
本发明提供的一种显示母板，包括：两相对设置的第一基板和第二基板；
及设置在所述的第一基板和第二基板之间的用于密封所述第一基板和第二基板的封框胶；
所述封框胶在所述显示母板限定出多个呈矩阵排列的显示面板；
还包括与所述封框胶对应的在第一基板上设置的切割区；所述切割区设有朝向所述封框胶的突起部。
优选的，所述突起部的沿垂直于第一基板方向的截面为锥台形，其中，锥台形的短边靠近所述封框胶。
优选的，所述锥台形的底角大于等于60°小于90°。
优选的，所述突起部包括在第一基板依次叠设的多个功能层，靠近所述第一基板的功能层在垂直于第一基板方向上的投影面积大于相邻的远离所述第一基板的功能层在垂直于第一基板方向上的投影面积。
优选的，所述突起部的与所述封框胶接触的功能层为金属或金属氧化物层。
优选的，所述突起部的与所述封框胶接触的功能层在相邻两显示面板之间的宽度大于2.5μm。
优选的，还包括位于所述突起部两侧的凹槽。
优选的，所述凹槽与所述突起部相邻一侧肩部为所述突起部的侧壁。
优选的，所述凹槽的底边的宽度大于所述突起部底边宽度。
优选的，所述突起部包括在第一基板上依次叠设的栅极层、栅极绝缘层、源漏极层、平坦化层。
本发明的另一个目的在于提供一种显示面板，所述的显示面板是通过将上述的显示母板沿所述的切割区的突起部切割获得的。
本发明的另一个目的在于提供一种显示装置，包括上述的显示面板。
本发明提供一种显示母板、显示面板、显示装置，由于在显示母板的切割区设有突起部，该突起部能在显示母板分割时使切割应力更加集中，减少了封框胶在基板上的粘附，从而使显示母板分割更加顺利。
附图说明
图1现有技术中显示母板的俯视示意图；
图2现有技术中显示母板的切割区域的剖视结构示意图；
图3为本发明实施例1显示母板的切割区域的剖视结构示意图；
其中，1.显示母板；2.显示面板；3.封框胶；4.切割区；5.玻璃基板；6.彩膜基板；7.平坦化层；8.栅极绝缘层；9.源漏极层；10.栅极层；11.阵列基板；12.突起部；13.凹槽；
d1:突起部底边的宽度；
d2：凹槽底边的宽度。
具体实施方式
为使本领域技术人员更好地理解本发明的技术方案，下面结合附图和具体实施方式对本发明作进一步详细描述。
实施例1：
如图3所示，本实施例提供一种显示母板1，包括：两相对设置的第一基板和第二基板；
及设置在所述的第一基板和第二基板之间的用于密封所述第一基板和第二基板的封框胶3；具体到本实施例，第一基板为阵列基板11，第二基板为彩膜基板6；
所述封框胶3在所述显示母板1限定出多个呈矩阵排列的显示面板2(图3中未示出)；
还包括与所述封框胶3对应的在阵列基板11上设置的切割区；所述切割区设有朝向所述封框胶3的突起部12。
本实施例中由于在显示母板1的切割区设有突起部12，该突起部12能在显示母板1分割时使切割应力更加集中，减少了封框胶3在基板上的粘附，从而使显示母板1分割更加顺利。
优选的，所述突起部12的沿垂直于阵列基板11方向的截面为锥台形，其中，锥台形的短边靠近所述封框胶3。应当理解的是，由于突起部12为锥台形，突起部12的两侧对称，切割刃具对突出部12产生的应力垂直于显示母板1方向，切割力比较稳定，产生的切割断面垂直于显示母板1。
优选的，所述锥台形的底角大于等于60°小于90°。应当理解的是，底角越大突起部12就越尖锐，在突起部12的尖端产生的切割应力越大，越有利切割的顺利进行；也就是说在制作工艺允许的条件下锥台形的底角越大越好。
所述突起部12包括在第一基板11依次叠设的多个功能层，靠近所述第一基板11的功能层在垂直于第一基板方向上的投影面积大于相邻的远离所述第一基板11的功能层在垂直于第一基板11方向上的投影面积。只有这样才能保证形成锥台形的突出部12。
优选的，所述突起部12包括多个依次叠设的多个功能层，所述突起部12的与所述封框胶3接触的功能层为金属或金属氧化物层。应当理解的是，由于金属或金属氧化物层的形变量较小；当突起部12的尖端的功能层为金属或金属氧化物层时，切割刃具对突出部产生的应力越稳定；而形变量大的绝缘层会对切割刃具的应力产生缓冲，导致应力较小，不利于切割。
具体地，所述突起部12包括在阵列基板11上依次叠设的栅极层10、栅极绝缘层8、源漏极层9、平坦化层7。
应当理解的是，上述的平坦化层7可以也可在制备中刻蚀去除，这样源漏极层9位于锥台的尖端，这样能使切割刃具在源漏极层9上产生的稳定应力，但这里牺牲了突起部12的高度，这两者可以根据情况进行权衡。
优选的，所述突起部12的与所述封框胶3接触的功能层在相邻两显示面板2之间的宽度为大于2.5μm。也就是说，位于锥台的尖端的功能层在相邻两显示面板2之间的宽度越小越好，这样切割刃具在锥台的尖端的功能层产生的应力更集中，但是上述宽度的受制作工艺的限制。
优选的，还包括位于所述突起部12两侧的凹槽13。为了使切割刃具对锥台产生的应力更加集中于锥台上，将锥台两侧的靠近锥台的所有功能层在制作时刻蚀去除，形成凹槽13。
优选的，所述凹槽13与所述突起部12相邻一侧肩部为所述突起部12的侧壁。这样能进一步使切割刃具对锥台产生的应力更加集中于锥台上。
优选的，所述凹槽13的底边的宽度大于所述突起部12底边宽度。这样能使突起部12和其两侧的其它功能层尽量远离设置，保证切割刃具对突出部产生的应力集中在与突起部12的底边宽度相等的阵列基板11区域。
下面介绍以下上述显示母板1的制备方法：
应当理解的是，显示母板1上的呈矩阵排列的显示面板2是通过相同的工艺步骤制备的，下面以一个显示面板2制备工艺为例进行介绍，其中，下述所有功能层的制备主要是针对切割区的结构进行介绍的，显示区域的各功能层的制备为现有技术范畴在此不再一一赘述：
步骤1：在玻璃基板5上沉积栅极金属，通过构图工艺形成切割区的栅极图形，其中，通过刻蚀去除位于突起部12区域两侧的栅极金属，保留位于突起部12区域的栅极层10。此时，栅极层10作为突起部12的底边，突起部12底边的宽度d1可以根据情况设定，栅极层10两侧的凹槽13的底边宽度d2设置的大于突起部12底边的宽度d1，具体可以通过栅极的掩膜板图形进行控制。
步骤2：上述步骤1的玻璃基板5上通过构图工艺形成切割区的栅极绝缘层8的图形，其中，通过刻蚀去除位于突起部12区域两侧的栅极绝缘层8的材料，保留位于突起部12区域的栅极绝缘层8，其中，栅极绝缘层8的宽度小于等于栅极层10的宽度。
步骤3：上述步骤2的玻璃基板5上通过构图工艺形成显示区域的有源层图形，而在切割区上述有源层全部刻蚀去除。
步骤4：上述步骤3的玻璃基板5上通过构图工艺形成切割区的源漏极层9的图形；其中，通过刻蚀去除位于突起部12区域两侧的源漏极层9的材料，保留位于突起部12区域的源漏极层9，其中，源漏极层9的宽度小于等于栅极绝缘层8的宽度。
步骤5：上述步骤4的玻璃基板5上通过构图工艺形成切割区的平坦化层7的图形；其中，通过刻蚀去除位于突起部12区域两侧的平坦化层7的材料，保留位于突起部12区域的平坦化层7，其中，平坦化层7的宽度小于等于源漏极层9的宽度。
步骤6：在玻璃基板5上的显示面板2之间涂覆封框胶3，将阵列基板11和彩膜基板6进行对盒，及后续工序完成显示母板1的制备。
可选的，将显示母板1沿上述的切割区的突出部进行分割，形成独立的显示面板2。
实施例2：
本实施例提供一种显示面板，所述的显示面板是通过将上述的显示母板沿所述的切割区的突起部切割获得的。
实施例3：
本实施例提供一种显示装置，包括上述的显示面板。
可以理解的是，以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式，然而本发明并不局限于此。对于本领域内的普通技术人员而言，在不脱离本发明的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本发明的保护范围。

Claims (12)

1.一种显示母板，包括：两相对设置的第一基板和第二基板；
及设置在所述的第一基板和第二基板之间的用于密封所述第一基板和第二基板的封框胶；
所述封框胶在所述显示母板限定出多个呈矩阵排列的显示面板；
其特征在于，还包括与所述封框胶对应的在第一基板上设置的切割区；所述切割区设有朝向所述封框胶的突起部；
所述突起部包括在第一基板依次叠设的多个功能层，所述功能层包括在第一基板上依次叠设的栅极层、栅极绝缘层、源漏极层。
2.如权利要求1所述显示母板，其特征在于，所述突起部的沿垂直于第一基板方向的截面为锥台形，其中，锥台形的短边靠近所述封框胶。
3.如权利要求2所述显示母板，其特征在于，所述锥台形的底角大于等于60°小于90°。
4.如权利要求1所述显示母板，其特征在于，靠近所述第一基板的功能层在垂直于第一基板方向上的投影面积大于相邻的远离所述第一基板的功能层在垂直于第一基板方向上的投影面积。
5.如权利要求4所述显示母板，其特征在于，所述突起部的与所述封框胶接触的功能层为金属或金属氧化物层。
6.如权利要求5所述显示母板，其特征在于，所述突起部的与所述封框胶接触的功能层在相邻两显示面板之间的宽度大于2.5μm。
7.如权利要求1所述显示母板，其特征在于，还包括位于所述突起部两侧的凹槽。
8.如权利要求7所述显示母板，其特征在于，所述凹槽与所述突起部相邻一侧肩部为所述突起部的侧壁。
9.如权利要求8所述显示母板，其特征在于，所述凹槽的底边的宽度大于所述突起部底边宽度。
10.如权利要求9所述显示母板，其特征在于，所述功能层还包括平坦化层，所述平坦化层位于所述源漏极层远离所述栅极绝缘层的一侧。
11.一种显示面板，其特征在于，所述的显示面板是通过将如权利要求1-10任一所述的显示母板沿所述的切割区的突起部切割获得的。
12.一种显示装置，其特征在于，包括如权利要求11所述的显示面板。
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