CN109401651B - 一种保护膜及其制备方法和显示母板组件 - Google Patents

一种保护膜及其制备方法和显示母板组件 Download PDF

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CN109401651B
CN109401651B CN201811261146.6A CN201811261146A CN109401651B CN 109401651 B CN109401651 B CN 109401651B CN 201811261146 A CN201811261146 A CN 201811261146A CN 109401651 B CN109401651 B CN 109401651B
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protective film
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张桂雪
郭丽丽
张明亮
***
王泉珺
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Mianyang BOE Optoelectronics Technology Co Ltd
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Abstract

本发明提供一种保护膜及其制备方法和显示母板组件。该保护膜用于贴设于显示母板的显示面，以在切割子基板时保护显示母板，子基板包括检测绑定区，保护膜的对应检测绑定区的区域的贴合面为非粘性面。该保护膜，通过将保护膜的对应检测绑定区的区域的贴合面设置为非粘性面，使保护膜贴设到显示母板上之后，保护膜与检测绑定区只是相贴合，而不会粘结在一起，从而在后续剥离检测绑定区上的保护膜的过程中，无需再使用针或滚轮将保护膜揭起，直接用具有粘附性的滚轮即可将切割下来的检测绑定区上的保护膜粘走，进而避免了目前采用针或滚轮将具有粘性的保护膜揭起所造成的显示母板不良。

Description

一种保护膜及其制备方法和显示母板组件
技术领域
本发明涉及显示技术领域，具体地，涉及一种保护膜及其制备方法和显示母板组件。
背景技术
柔性OLED显示器件制作过程中，显示母板上子显示基板(即Cell)切割前会贴上保护膜(Top Film)对产品进行保护。由于后期需对子显示基板进行检测及绑定(Bonding)工艺，所以在切割过程中，会对贴附在子显示基板检测绑定区表面的Top Film进行剥离(Peeling)工艺。在该工艺过程中，由于Top Film有一定的粘性，需用针(Pin)或滚轮将TopFilm揭起之后用夹子夹走，在该过程中可能会发生Pin将下部接线端子(Pad)戳伤或揭起Top Film的力致使显示母板弯折，导致子显示基板出现边缘裂纹，继而致使OLED显示器件因水氧入侵而产生暗点和由于信号线断裂而出现暗线等不良。
发明内容
本发明针对现有技术中存在的上述技术问题，提供一种保护膜及其制备方法和显示母板组件。该保护膜贴设到显示母板上之后，保护膜与检测绑定区只是相贴合，而不会粘结在一起，从而在后续剥离检测绑定区上的保护膜的过程中，无需再使用针或滚轮将保护膜揭起，直接用具有粘附性的滚轮即可将切割下来的检测绑定区上的保护膜粘走，进而避免了目前采用针或滚轮将具有粘性的保护膜揭起所造成的显示母板不良。
本发明提供一种保护膜，用于贴设于显示母板的显示面，以在切割子基板时保护所述显示母板，所述子基板包括检测绑定区，所述保护膜的对应所述检测绑定区的区域的贴合面为非粘性面。
优选地，包括基膜，所述基膜对应所述检测绑定区的区域的膜层厚度大于所述基膜其他区域的膜层厚度；
所述保护膜还包括粘胶层，所述粘胶层设置于所述基膜的用于面向所述显示面的一侧，且所述粘胶层设于所述基膜的对应所述检测绑定区的区域以外的其他区域。
优选地，包括基膜、粘胶层和非粘胶层，所述粘胶层和所述非粘胶层同层设置于所述基膜的用于面向所述显示面的一侧，且所述非粘胶层设于所述基膜的对应所述检测绑定区的区域，所述粘胶层设于所述基膜的对应所述检测绑定区的区域以外的其他区域。
优选地，所述基膜的对应所述检测绑定区的区域的膜层厚度与所述基膜其他区域的膜层厚度差等于所述粘胶层的厚度。
优选地，所述粘胶层的厚度等于所述非粘胶层的厚度。
优选地，所述基膜采用PET、PE、PVC、PP、PS、PC、SAN、ABS中的任意一种材料。
优选地，所述基膜采用PET、PE、PVC、PP、PS、PC、SAN、ABS中的任意一种材料，所述非粘胶层采用有机感光材料。
优选地，还包括离型膜，所述离型膜设置于所述粘胶层的远离所述基膜的一侧，用于保护所述粘胶层。
本发明还提供一种显示母板组件，包括显示母板，还包括上述保护膜，所述保护膜贴设于所述显示母板的显示面。
本发明还提供一种上述保护膜的制备方法，包括：制备形成所述保护膜，其中使所述保护膜的对应检测绑定区的区域的贴合面为非粘性面。
优选地，所述制备方法包括：采用3D打印的方法形成所述保护膜的基膜，并在所述基膜的对应检测绑定区的区域以外的其他区域涂敷形成粘胶层；
或者，采用模具压制成型的方法形成所述保护膜的基膜，并在所述基膜的对应检测绑定区的区域以外的其他区域涂敷形成粘胶层。
优选地，所述制备方法包括：采用3D打印或模具压制成型的方法形成所述保护膜的基膜；
采用构图工艺在所述基膜的对应所述检测绑定区的区域形成非粘胶层的图形；
在所述基膜的对应所述检测绑定区的区域以外的其他区域涂敷形成粘胶层。
优选地，所述制备方法还包括：在所述粘胶层的远离所述基膜的一侧贴设离型膜。
本发明的有益效果：本发明所提供的保护膜，通过将保护膜的对应检测绑定区的区域的贴合面设置为非粘性面，使保护膜贴设到显示母板上之后，保护膜与检测绑定区只是相贴合，而不会粘结在一起，从而在后续剥离检测绑定区上的保护膜的过程中，无需再使用针或滚轮将保护膜揭起，直接用具有粘附性的滚轮即可将切割下来的检测绑定区上的保护膜粘走，进而避免了目前采用针或滚轮将具有粘性的保护膜揭起所造成的显示母板不良。
本发明所提供的显示母板组件，通过采用上述保护膜，能在显示母板切割子基板以及显示母板检测绑定区的保护膜剥离时，保护显示母板免遭损坏，从而确保了显示母板组件以及切割后形成的子基板的品质。
附图说明
图1为本发明实施例中贴设于显示母板显示面的保护膜的结构俯视图；
图2为本发明实施例2中保护膜沿图1中AA剖切线的结构剖视图；
图3为本发明实施例3中保护膜沿图1中AA剖切线的结构剖视图；
图4为本发明实施例4中显示母板组件的结构剖视图。
其中的附图标记说明：
1.显示母板；2.子基板；21.检测绑定区；3.基膜；4.粘胶层；5.离型膜；6.非粘胶层；7.保护膜。
具体实施方式
为使本领域的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所提供的一种保护膜及其制备方法和显示母板组件作进一步详细描述。
实施例1：
本实施例提供一种保护膜，用于贴设于显示母板的显示面，以在切割子基板时保护显示母板，子基板包括检测绑定区，保护膜的对应检测绑定区的区域的贴合面为非粘性面。
其中，检测绑定区用于设置子基板测试电路和绑定电路，以便对切割下来的子基板进行检测和***线路板绑定。在切割显示母板形成子基板的过程中，会将保护膜的对应检测绑定区的区域的部分与其他部分切割开，以便后续将检测绑定区上的保护膜剥离掉。
通过将保护膜的对应检测绑定区的区域的贴合面设置为非粘性面，使保护膜贴设到显示母板上之后，保护膜与检测绑定区只是相贴合，而不会粘结在一起，从而在后续剥离检测绑定区上的保护膜的过程中，无需再使用针或滚轮将保护膜揭起，直接用具有粘附性的滚轮即可将切割下来的检测绑定区上的保护膜粘走，进而避免了目前采用针或滚轮将具有粘性的保护膜揭起所造成的显示母板不良。
实施例2：
本实施例提供一种保护膜，如图1所示，用于贴设于显示母板1的显示面，以在切割子基板2时保护显示母板1，子基板2包括检测绑定区21，保护膜7的对应检测绑定区21的区域的贴合面为非粘性面。
本实施例中，如图2所示，保护膜包括基膜3，基膜3对应检测绑定区的区域的膜层厚度大于基膜3其他区域的膜层厚度；保护膜还包括粘胶层4，粘胶层4设置于基膜3的用于面向显示面的一侧，且粘胶层4设于基膜3的对应检测绑定区的区域以外的其他区域。由于在基膜3的对应检测绑定区的区域未设置粘胶层4，所以保护膜的对应检测绑定区的区域的贴合面为非粘性面。
优选的，基膜3的对应检测绑定区的区域的膜层厚度与基膜3其他区域的膜层厚度差等于粘胶层4的厚度。如此设置，能使保护膜的用于与显示母板的显示面相贴合的贴合面为一平齐的面，从而有利于在切割子基板时，对显示母板的显示面形成很好的保护。
优选的，基膜3采用PET、PE、PVC、PP、PS、PC、SAN、ABS中的任意一种材料。基膜3优选采用有机透明塑料材料。
需要说明的是，基膜3也可以采用其他的有机透明材料。
本实施例中，保护膜还包括离型膜5，离型膜5设置于粘胶层4的远离基膜3的一侧，用于保护粘胶层4。其中，当保护膜用于贴设到显示母板上时，需要将离型膜5剥离下来。
基于保护膜的上述结构，本实施例还提供一种保护膜的制备方法，包括：制备形成保护膜，其中使保护膜的对应检测绑定区的区域的贴合面为非粘性面。
本实施例中，制备方法包括：采用3D打印的方法形成保护膜的基膜，并在基膜的对应检测绑定区的区域以外的其他区域涂敷形成粘胶层。
或者，也可以采用模具压制成型的方法形成保护膜的基膜，并在基膜的对应检测绑定区的区域以外的其他区域涂敷形成粘胶层。
通过3D打印的方法和模具压制成型的方法，均能形成不同区域厚度不同的基膜。
制备方法还包括在粘胶层的远离基膜的一侧贴设离型膜。
实施例3：
本实施例提供一种保护膜，与实施例2中不同的是，如图3所示，保护膜包括基膜3、粘胶层4和非粘胶层6，粘胶层4和非粘胶层6同层设置于基膜3的用于面向显示面的一侧，且非粘胶层6设于基膜3的对应检测绑定区的区域，粘胶层4设于基膜3的对应检测绑定区的区域以外的其他区域。
由于在基膜3的对应检测绑定区的区域设置有非粘胶层6，所以保护膜的对应检测绑定区的区域的贴合面为非粘性面。
优选的，粘胶层4的厚度等于非粘胶层6的厚度。如此设置，能使保护膜的用于与显示母板的显示面相贴合的贴合面为一平齐的面，从而有利于在切割子基板时，对显示母板的显示面形成很好的保护。
本实施例中，基膜3采用PET、PE、PVC、PP、PS、PC、SAN、ABS中的任意一种材料，非粘胶层6采用有机感光材料，如光刻胶。当然，非粘胶层6也可以采用其他的有机透明材料。
本实施例中保护膜的其他结构与实施例2中相同，此处不再赘述。
基于保护膜的上述结构，本实施例还提供一种保护膜的制备方法，与实施例2中保护膜的制备方法不同的是，该制备方法包括：步骤10：采用3D打印或模具压制成型的方法形成保护膜的基膜。步骤11：采用构图工艺在基膜的对应检测绑定区的区域形成非粘胶层的图形。步骤12：在基膜的对应检测绑定区的区域以外的其他区域涂敷形成粘胶层。
本实施例中保护膜制备方法的其他步骤与实施例2中相同，此处不再赘述。
实施例1-2的有益效果：实施例1-2所提供的保护膜，通过将保护膜的对应检测绑定区的区域的贴合面设置为非粘性面，使保护膜贴设到显示母板上之后，保护膜与检测绑定区只是相贴合，而不会粘结在一起，从而在后续剥离检测绑定区上的保护膜的过程中，无需再使用针或滚轮将保护膜揭起，直接用具有粘附性的滚轮即可将切割下来的检测绑定区上的保护膜粘走，进而避免了目前采用针或滚轮将具有粘性的保护膜揭起所造成的显示母板不良。
实施例4：
本实施例提供一种显示母板组件，如图4所示，包括显示母板1，还包括实施例1-3任一中的保护膜7，保护膜7贴设于显示母板1的显示面。
通过采用实施例1-3任一中的保护膜，能在显示母板切割子基板以及显示母板检测绑定区的保护膜剥离时，保护显示母板免遭损坏，从而确保了显示母板组件以及切割后形成的子基板的品质。
本发明所提供的显示装置可以为OLED面板、OLED电视、显示器、手机、导航仪等任何具有显示功能的产品或部件。
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 (7)

1.一种保护膜，用于贴设于显示母板的显示面，以在切割子基板时保护所述显示母板，所述子基板包括检测绑定区，其特征在于，所述保护膜的对应所述检测绑定区的区域的贴合面为非粘性面；
所述保护膜包括基膜，所述基膜对应所述检测绑定区的区域的膜层厚度大于所述基膜其他区域的膜层厚度；
所述保护膜还包括粘胶层，所述粘胶层设置于所述基膜的用于面向所述显示面的一侧，且所述粘胶层设于所述基膜的对应所述检测绑定区的区域以外的其他区域；
所述基膜的对应所述检测绑定区的区域的膜层厚度与所述基膜其他区域的膜层厚度差等于所述粘胶层的厚度。
2.根据权利要求1所述的保护膜，其特征在于，所述基膜采用PET、PE、PVC、PP、PS、PC、SAN、ABS中的任意一种材料。
3.根据权利要求1所述的保护膜，其特征在于，还包括离型膜，所述离型膜设置于所述粘胶层的远离所述基膜的一侧，用于保护所述粘胶层。
4.一种显示母板组件，包括显示母板，其特征在于，还包括权利要求1-3任意一项所述的保护膜，所述保护膜贴设于所述显示母板的显示面。
5.一种如权利要求1-3任意一项所述的保护膜的制备方法，其特征在于，包括：制备形成所述保护膜，其中使所述保护膜的对应检测绑定区的区域的贴合面为非粘性面。
6.根据权利要求5所述的保护膜的制备方法，其特征在于，所述制备方法包括：采用3D打印的方法形成所述保护膜的基膜，并在所述基膜的对应检测绑定区的区域以外的其他区域涂敷形成粘胶层；
或者，采用模具压制成型的方法形成所述保护膜的基膜，并在所述基膜的对应检测绑定区的区域以外的其他区域涂敷形成粘胶层。
7.根据权利要求6所述的保护膜的制备方法，其特征在于，所述保护膜为权利要求3所述的保护膜，所述制备方法还包括：在所述粘胶层的远离所述基膜的一侧贴设离型膜。
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