CN106019724A - 一种显示面板及其制作方法、显示器 - Google Patents

一种显示面板及其制作方法、显示器 Download PDF

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CN106019724A
CN106019724A CN201610353714.XA CN201610353714A CN106019724A CN 106019724 A CN106019724 A CN 106019724A CN 201610353714 A CN201610353714 A CN 201610353714A CN 106019724 A CN106019724 A CN 106019724A
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sealed plastic
plastic box
display
graphene
display floater
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武晓娟
王凯旋
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Priority to CN201610353714.XA priority Critical patent/CN106019724A/zh
Publication of CN106019724A publication Critical patent/CN106019724A/zh
Priority to US15/569,373 priority patent/US20180224691A1/en
Priority to PCT/CN2017/082876 priority patent/WO2017202181A1/zh
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    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
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Abstract

本发明公开了一种显示面板及其制作方法、显示器，用以避免显示面板产生局部温度过高的现象，保证显示面板的整个屏幕区域的温度分布均匀，防止显示器工作异常。该显示面板包括：上基板和下基板，所述上基板和下基板通过封框胶对盒，其中，所述封框胶中包括封框胶基体和导热材料。

Description

一种显示面板及其制作方法、显示器
技术领域
本发明涉及显示技术领域，尤其涉及一种显示面板及其制作方法、显示器。
背景技术
随着手机行业的迅速发展，客户对手机的外观、性能、显示质量等要求越来越高，相应的对液晶显示器的要求也逐渐提高。液晶显示器的分辨率越来越高，全高清(Full High Definition，FHD)、1/4高清晰度(Quarter High Definition，QHD)乃至4K2K的显示器逐渐被研发并应用。
液晶显示器分辨率越高，对集成电路(Integrated Circuit，IC)的要求越高，IC工作时更容易产生热量，使液晶显示器IC附近局部温度显著升高。当温度接近液晶的清亮点或超过清亮点时，液晶的介电各向异性逐渐消失，对电场作用没有反应，对于常黑边缘场开关技术(Fringe Field Switching，FFS)显示器来说，点灯状态就会出现显示器发黑不良。尤其现在为了提升液晶显示器透过率，通常使用负性液晶，而负性液晶为了提升响应速度及降低Vop，一般清亮点较低，从而高分辨率负性液晶显示器在处于长时间加电或者信赖性测试等状态时更容易发生由于显示器局部温度过高而导致的显示器发黑不良。
综上所述，现有的显示器，在处于长时间加电或者信赖性测试等状态时，会发生局部温度过高的现象，使得显示器整个屏幕的温度分布不均匀，易导致显示器工作异常。
发明内容
本发明实施例提供了一种显示面板及其制作方法、显示器，用以避免显示面板产生局部温度过高的现象，保证显示面板的整个屏幕区域的温度分布均匀，防止显示器工作异常。
本发明实施例提供的一种显示面板包括：上基板和下基板，所述上基板和下基板通过封框胶对盒，其中，所述封框胶中包括封框胶基体和导热材料。
本发明实施例提供的显示面板，由于其上基板和下基板通过包括封框胶基体和导热材料的封框胶对盒，因此，当显示面板的局部温度升高时，封框胶中的导热材料可以将局部过高的热量快速传导到整个显示面板中，使得显示面板的整体温度趋于均匀，从而防止显示器工作异常。
较佳地，所述导热材料包括石墨烯。
由于石墨烯具有高的导热性能，其导热系数高达5300W/m·K,，因此，可以快速有效地将显示面板局部过高的热量传导到显示面板的整个屏幕中，防止显示器由于局部温度过高而导致的工作异常。
较佳地，所述石墨烯在所述封框胶中的重量百分比为0.3～3WT％。
本发明实施例提供的一种显示器，包括上述显示面板。
本发明实施例提供的一种显示面板的制作方法，包括：
制备上基板和下基板；
将包括封框胶基体和导热材料的封框胶涂覆到所述上基板的边缘区域，将涂覆有所述封框胶的上基板与所述下基板进行对盒，形成显示面板；或者，将包括封框胶基体和导热材料的封框胶涂覆到所述下基板的边缘区域，将涂覆有所述封框胶的下基板与所述上基板进行对盒，形成显示面板。
较佳地，所述导热材料包括石墨烯。
较佳地，包括封框胶基体和所述石墨烯的封框胶是采用如下方式制得的：
将封框胶基体与石墨烯按照预设重量比混合均匀，形成混合物；
将所述混合物放入脱泡器中，按照预设时间进行避光脱泡处理，得到包括封框胶基体和所述石墨烯的封框胶。
较佳地，所述石墨烯在所述封框胶中的重量百分比为0.3～3WT％。
较佳地，所述预设时间为1～5小时。
附图说明
了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例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申请的一些实施例，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为本发明实施例提供的一种显示面板的结构示意图；
图2为本发明实施例提供了一种显示器的平面结构示意图；
图3为本发明实施例提供的一种显示面板的制作方法的流程示意图。
具体实施方式
本发明实施例提供了一种显示面板及其制作方法、显示器，用以避免显示面板产生局部温度过高的现象，保证显示面板的整个屏幕区域的温度分布均匀，防止显示器工作异常。
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。
图1为本发明实施例提供的一种显示面板的结构示意图，其中包括上基板11和下基板12，所述上基板11和下基板12通过封框胶13对盒，其中，所述封框胶13中包括封框胶基体和导热材料。
其中上述封框胶13中的导热材料例如可以包括石墨烯。
也就是说，导热材料可以为石墨烯，也可以为其他的导热材料。
较佳地，当导热材料为石墨烯时，石墨烯在所述封框胶13中的重量百分比为0.3～3WT％。例如，石墨烯在封框胶13中的重量百分比为0.3WT％，或者重量百分比为2WT％，或者重量百分比为3WT％等等。
本发明实施例还提供的一种显示器，该显示器包括上述通过包括封框胶基体和导热材料的封框胶对盒的显示面板。其中，该导热材料例如可以包括石墨烯等。
本发明实施例所述的石墨烯为新一代透明导热材料，并且具有完美的二维晶体结构，它的晶格是由六个碳原子围成的六边形，厚度为一个原子层。石墨烯是已知的最薄、最坚硬的纳米材料，其导热系数高达5300W/m·K，具有极强的导热性。
对于每一显示面板，均具备IC单元，当显示面板中的IC单元工作时，会产生热量，特别是当显示器处于长时间加电或者信赖性测试等状态时，IC单元会产生较高的热量，当该热量接触到封框胶时，由于封框胶中包含高导热性的石墨烯，从而，局部较高的热量可通过该封框胶迅速地在整个显示面板中分布均匀，使得整个显示面板的温度变化很小，从而避免了显示器异常工作的状况发生。
下面给出一个具体的实施例。
参见图2，本发明实施例提供了一种显示器的平面结构示意图，其中，该显示器为液晶显示器，并且该液晶显示器包括液晶显示面板。
在图2所示的液晶显示器中，包括彩膜基板1，位于彩膜基板上的黑矩阵(BM)2，薄膜晶体管(Thin Film Transistor，TFT)基板5，显示区域4，位于TFT基板5上的IC单元6，该IC单元6位于显示区域4的外侧，用于将彩膜基板1和TFT基板5进行对盒的封框胶3，其中，该封框胶3中包括封框胶基体和石墨烯。
当然，除图2中示出的单元结构外，该显示器还可以包括其他的单元结构，例如还包括位于彩膜基板1和TFT基板5之间的液晶层。
对于传统的液晶显示器，当处于长时间加电或信赖性测试等状态时，IC单元容易产生热量，IC单元附近局部温度显著升高，该局部热量从IC单元附近通过封框胶逐渐接近液晶显示区域，使液晶显示区域内的液晶温度升高，当温度接近于液晶清亮点或超过液晶清亮点时，液晶介电各向异性会减弱或消失，液晶对电场作用反应微弱，最终会导致液晶显示器产生发黑不良。
而本发明实施例提供的液晶显示器，在封框胶3中包含有石墨烯，当该液晶显示器处于长时间加电或信赖性测试等状态时，IC单元6容易产生热量，IC单元6附近局部温度显著升高，此部分热量从IC单元附近首先接触封框胶3，由于封框胶3中含有高导热性能的石墨烯，热量可以通过封框胶3迅速在整个屏幕中分布均匀，整个屏幕温度变化很小，液晶不会受到温度的影响，对电场作用能够正常响应，即液晶显示器可以正常显示，可见，本发明实施例提供的液晶显示器可以避免发生发黑不良等状况。
需要说明的是，本发明实施例提供的液晶显示面板并不限于一定是图2所示的结构，并且本发明实施例提供的显示面板也不限于一定是液晶显示面板，只要是上基板和下基板是通过包括封框胶基体和导热材料(例如石墨烯)的封框胶对盒的显示面板均属于本发明的保护范围。
参见图3，本发明实施例提供的一种显示面板的制作方法包括：
S301、制备上基板和下基板；
S302、将包括封框胶基体和导热材料的封框胶涂覆到所述上基板的边缘区域，将涂覆有所述包括封框胶基体和导热材料的封框胶的上基板与所述下基板进行对盒，形成显示面板；或者，将包括封框胶基体和导热材料的封框胶涂覆到所述下基板的边缘区域，将涂覆有所述包括封框胶基体和导热材料的封框胶的下基板与所述上基板进行对盒，形成显示面板。
较佳地，所述导热材料包括石墨烯。
较佳地，包括封框胶基体和石墨烯的封框胶是采用如下方式制得的：
将封框胶基体与石墨烯按照预设重量比混合均匀，形成混合物；
将所述混合物放入脱泡器中，按照预设时间进行避光脱泡处理，得到包括封框胶基体和石墨烯的封框胶。
较佳地，所述石墨烯在所述包括封框胶基体和石墨烯的封框胶中的重量百分比为0.3～3WT％。
较佳地，所述预设时间为1～5小时。例如，预设时间可以为1小时，或者可以为2.5小时，或者可以为5小时等等。
下面给出显示面板的制作方法的具体实施例。
在一个实施例中，显示面板的制作步骤如下：
步骤A：制备上基板和下基板；
步骤B：将封框胶基体与石墨烯按照重量比为99:1混合均匀，形成混合物；
也就是说，石墨烯在上述混合物中的重量百分比为1WT％。
步骤C：将步骤B中形成的混合物放入脱泡器中，进行2小时的避光脱泡处理，得到包括封框胶基体和石墨烯的封框胶；
步骤D：将步骤C中制成的包括封框胶基体和石墨烯的封框胶涂覆到上基板的边缘区域，将涂覆有包括封框胶基体和石墨烯的封框胶的上基板与下基板进行对盒，形成显示面板；或者，将步骤C中制成的包括封框胶基体和石墨烯的封框胶涂覆到下基板的边缘区域，将涂覆有包括封框胶基体和石墨烯的封框胶的下基板与上基板进行对盒，形成显示面板。
在另一实施例中，显示面板的制作步骤如下：
步骤a：制备上基板和下基板；
步骤b：将封框胶基体与石墨烯按照重量比为99.5:0.5混合均匀，形成混合物；
也就是说，石墨烯在上述混合物中的重量百分比为0.5WT％。
步骤c：将步骤b中形成的混合物放入脱泡器中，进行2.5小时的避光脱泡处理，得到包括封框胶基体和石墨烯的封框胶；
步骤d：将步骤c中制成的包括封框胶基体和石墨烯的封框胶涂覆到上基板的边缘区域，将涂覆有包括封框胶基体和石墨烯的封框胶的上基板与下基板进行对盒，形成显示面板；或者，将步骤c中制成的包括封框胶基体和石墨烯的封框胶涂覆到下基板的边缘区域，将涂覆有包括封框胶基体和石墨烯的封框胶的下基板与上基板进行对盒，形成显示面板。
在另一实施例中，当显示面板为液晶显示面板时，作为一种实现方式，其制作步骤可以包括：
步骤(1)：制备彩膜基板和TFT基板；
步骤(2)：将封框胶基体与石墨烯按照重量比为97:3混合均匀，形成混合物；
也就是说，石墨烯在上述混合物中的重量百分比为3WT％。
步骤(3)：将步骤(2)中形成的混合物放入脱泡器中，进行1小时的避光脱泡处理，得到包括封框胶基体和石墨烯的封框胶；
步骤(4)：将步骤(3)中制成的包括封框胶基体和石墨烯的封框胶涂覆到彩膜基板的边缘区域，将涂覆有包括封框胶基体和石墨烯的封框胶的彩膜基板与滴有液晶的TFT基板进行对盒后，进行紫外聚合和热聚合，形成液晶显示面板；或者，将步骤(3)中制成的包括封框胶基体和石墨烯的封框胶涂覆到TFT基板的边缘区域，将涂覆有包括封框胶基体和石墨烯的封框胶的TFT基板与滴有液晶的彩膜基板进行对盒后，进行紫外聚合和热聚合，形成液晶显示面板。
综上所述，本发明实施例提供的显示面板，其上基板和下基板采用包括封框胶基体和导热材料的封框胶对盒，当显示面板的局部温度升高时，封框胶中的导热材料可以将局部过高的热量快速传导到整个显示面板中，使得整个显示面板的整体温度趋于均匀，从而防止显示器工作异常。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (9)

1.一种显示面板，其特征在于，包括上基板和下基板，所述上基板和下基板通过封框胶对盒，其中，所述封框胶中包括封框胶基体和导热材料。
2.根据权利要求1所述的显示面板，其特征在于，所述导热材料包括石墨烯。
3.根据权利要求2所述的显示面板，其特征在于，所述石墨烯在所述封框胶中的重量百分比为0.3～3WT％。
4.一种显示器，其特征在于，包括权利要求1～3任一权项所述的显示面板。
5.一种显示面板的制作方法，其特征在于，该方法包括：
制备上基板和下基板；
将包括封框胶基体和导热材料的封框胶涂覆到所述上基板的边缘区域，将涂覆有所述封框胶的上基板与所述下基板进行对盒，形成显示面板；或者，将包括封框胶基体和导热材料的封框胶涂覆到所述下基板的边缘区域，将涂覆有所述封框胶的下基板与所述上基板进行对盒，形成显示面板。
6.根据权利要求5所述的制作方法，其特征在于，所述导热材料包括石墨烯。
7.根据权利要求6所述的制作方法，其特征在于，包括封框胶基体和所述石墨烯的封框胶是采用如下方式制得的：
将封框胶基体与石墨烯按照预设重量比混合均匀，形成混合物；
将所述混合物放入脱泡器中，按照预设时间进行避光脱泡处理，得到包括封框胶基体和所述石墨烯的封框胶。
8.根据权利要求7所述的制作方法，其特征在于，所述石墨烯在所述封框胶中的重量百分比为0.3～3WT％。
9.根据权利要求7所述的制作方法，其特征在于，所述预设时间为1～5小时。
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