CN110208977A - 一种显示装置及显示装置的制备方法 - Google Patents

一种显示装置及显示装置的制备方法 Download PDF

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CN110208977A
CN110208977A CN201910512675.7A CN201910512675A CN110208977A CN 110208977 A CN110208977 A CN 110208977A CN 201910512675 A CN201910512675 A CN 201910512675A CN 110208977 A CN110208977 A CN 110208977A
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layer
substrate
display device
protective layer
planarization layer
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宋丽芳
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BOE Technology Group Co Ltd
Hefei BOE Zhuoyin Technology Co Ltd
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BOE Technology Group Co Ltd
Hefei BOE Zhuoyin Technology Co Ltd
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Priority to CN201910512675.7A priority Critical patent/CN110208977A/zh
Publication of CN110208977A publication Critical patent/CN110208977A/zh
Priority to PCT/CN2020/094384 priority patent/WO2020248893A1/zh
Priority to US17/263,612 priority patent/US20210296370A1/en
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Abstract

本发明实施例提供的一种显示装置，该显示装置包括：基板，覆盖在所述基板上的平坦化层，以及覆盖在所述平坦化层背离所述基板一侧的保护层；所述保护层具有导热性、透明性和绝缘性。本发明实施例的在平坦化层上覆盖具有导热性、透明性和绝缘性的保护层，可以有效的保护平坦化层，防止平坦化层在后续制程中出现变形，减少平坦化层的白光中蓝光的损失，提高色温，改善白光，提高显示装置的发光质量。

Description

一种显示装置及显示装置的制备方法
技术领域
本发明涉及显示技术领域，尤其涉及一种显示装置及显示装置的制备方法。
背景技术
在目前液晶显示面板的研究领域中，显示面板中使用的平坦化层的材料通常为树脂材料，该树脂材料在长时间热制程或者溅射工艺下，容易发生收缩，导致平坦化层的蓝光透过率降低，致使白光加彩膜方式发光的面板中的蓝光强度低，白光色温低，色点偏黄，而现有技术还未提出解决该问题的方法。
发明内容
本发明提供一种显示装置，以解决现有显示装置的蓝关强度低、白光色温低、色点偏黄的问题。
本发明一方面提供了一种显示装置，包括：基板，覆盖在所述基板上的平坦化层，以及覆盖在所述平坦化层背离所述基板一侧的保护层；所述保护层具有导热性、透明性和绝缘性。
可选的，所述保护层包括：二氧化硅薄膜层。
可选的，所述保护层的厚度包括：1μm-3μm。
可选的，还包括：阳极层、像素界定层、发光层、阴极层和封装层；
在所述保护层背离所述平坦化层的一侧，形成有所述阳极层和所述像素界定层；
所述阳极层穿过所述保护层、平坦化层与所述基板连接；
所述发光层、阴极层和封装层依次设置在所述阳极层和所述像素界定层背离所述保护层的一侧。
本发明另一方面，在于提供一种显示装置的制备方法，包括：
提供基板；
在所述基板上涂布平坦化层；
在所述平坦化层远离所述基板的一侧制备保护层。
可选的，所述在所述平坦化层远离所述基板的一侧制备保护层，包括：
制备二氧化硅溶胶；
将所述二氧化硅溶胶涂布在所述平坦化层远离所述基板的一侧；
加热固化所述二氧化硅溶胶，获得二氧化硅薄膜层。
可选的，所述制备二氧化硅溶胶包括：
将正硅酸乙酯和溶剂按照第一预设比例混合，然后加入碱性催化剂进行搅拌；
添加第二预设比例的N，N-二甲基甲酰胺，搅拌后得到所述二氧化硅溶胶。
可选的，所述溶剂包括：乙醇、乙二醇乙醚、异丙醇中的至少一种。
可选的，所述碱性催化剂包括：氨水和水的摩尔比范围为0.001-0.002的混合物。
可选的，所述第二预设比例为：体积分数包括25％-35％。
本发明实施例提供的一种显示装置，包括：基板，覆盖在所述基板上的平坦化层，以及覆盖在所述平坦化层背离所述基板一侧的保护层；所述保护层具有导热性、透明性和绝缘性。本发明实施例的在平坦化层上覆盖具有导热性、透明性和绝缘性的保护层，可以有效的保护平坦化层，防止平坦化层在后续制程中出现变形，减少平坦化层的白光中蓝光的损失，提高色温，改善白光，提高显示装置的发光质量。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例的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性的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的一种显示装置的结构示意图；
图2是本发明实施例提供的一种显示装置的制备方法的步骤流程图；
图3是本发明实施例提供的一种二氧化硅薄膜层制备方法的步骤流程图；
图4是本发明实施例提供的一种二氧化硅溶胶制备方法的步骤流程图。
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作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。
实施例一
参照图1，示出了一种显示装置10，该装置包括：
基板10，覆盖在所述基板10上的平坦化层20，以及覆盖在所述平坦化层20背离所述基板10一侧的保护层30；所述保护层30具有导热性、透明性和绝缘性。
在本发明实施例中，基板10为TFT玻璃基板。平坦化层20为树脂材料。
在本发明实施例中，所述保护层30包括：二氧化硅薄膜层。其中，二氧化硅薄膜层可通过溶胶凝胶法制备得到。
在本发明实施例中，保护层30具有良好的导热性、透明性和绝缘性。
其中，所述保护层30的厚度包括：1μm-3μm。
其中，该显示装置还包括：阳极层40、像素界定层50、发光层60、阴极层70和封装层80；
在所述保护层30背离所述平坦化层20的一侧，形成有所述阳极层40和所述像素界定层50；
所述阳极层40穿过所述保护层30、平坦化层20与所述基板10连接；
所述发光层60、阴极层70和封装层80依次设置在所述阳极层40和所述像素界定层50背离所述保护层30的一侧。
在本发明实施例中，阳极层40的材料为氧化铟锡(ITO)。
本发明实施例提供的一种显示装置，包括：基板，覆盖在所述基板上的平坦化层，以及覆盖在所述平坦化层背离所述基板一侧的保护层；所述保护层具有导热性、透明性和绝缘性。本发明实施例的在平坦化层上覆盖具有导热性、透明性和绝缘性的保护层，可以有效的保护平坦化层，防止平坦化层在后续制程中出现变形，减少平坦化层的白光中蓝光的损失，提高色温，改善白光，提高显示装置的发光质量。
实施例二
参照图2，示出本发明实施例提供的一种显示装置的制备方法的步骤流程图；该制备方法，具体包括以下步骤：
步骤201，提供基板。
在本发明实施例中，基板包括：TFT玻璃基板。
步骤202，在所述基板上涂布平坦化层。
在本发明实施例中，平坦化层的材料包括：树脂材料。
步骤203，在所述平坦化层远离所述基板的一侧制备保护层。
在本发明实施例中，参照图3，步骤203包括：
步骤2031，制备二氧化硅溶胶；
步骤2032，将所述二氧化硅溶胶涂布在所述平坦化层远离所述基板的一侧；
步骤2033，加热固化所述二氧化硅溶胶，获得二氧化硅薄膜层。
其中，加热固化的温度范围为：180℃-220℃。
在本发明实施例中，参照图4，所述制备二氧化硅溶胶包括：
步骤20311，将正硅酸乙酯和溶剂按照第一预设比例混合，然后加入碱性催化剂进行搅拌；
步骤20312，添加第二预设比例的N，N-二甲基甲酰胺，搅拌后得到所述二氧化硅溶胶。
其中，正硅酸乙酯与溶剂的第一预设比例为：摩尔比为1:2.5-3.5。正硅酸乙酯和溶剂的混合方法包括：在磁力搅拌下搅拌混合50min-100min，优选60min，直至混合均匀。
在本发明实施例中，将二预设比例的N，N-二甲基甲酰胺加入后，可继续进行磁力搅拌，直至混合均匀。
所述溶剂包括：乙醇、乙二醇乙醚、异丙醇中的至少一种。
所述碱性催化剂包括：氨水和水的摩尔比范围为0.001-0.002的混合物。
所述第二预设比例为：体积分数包括25％-35％。
其中，第一预设比例是指N，N-二甲基甲酰胺占总体积(包括：正硅酸乙酯、溶剂、碱性催化剂和N，N-二甲基甲酰胺的体积)的体积分数为25％-35％，优选30％。
在本发明实施例中，在所述平坦化层远离所述基板的一侧制备保护层之后，还包括：在所述保护层背离所述平坦化层的一侧，制备阳极层和像素界定层；使阳极层穿过所述保护层、平坦化层与所述基板连接；在所述阳极层和所述像素界定层背离所述保护层的一侧依次制备发光层、阴极层和封装层。
本发明实施例提供的一种显示装置的制备方法，包括：提供基板；在所述基板上涂布平坦化层；在所述平坦化层远离所述基板的一侧制备保护层。本发明实施例的在平坦化层上覆盖具有导热性、透明性和绝缘性的保护层，可以有效的保护平坦化层，防止平坦化层在后续制程中出现变形，减少平坦化层的白光中蓝光的损失，提高色温，改善白光，提高显示装置的发光质量。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。
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权利要求的保护范围为准。

Claims (10)

1.一种显示装置，其特征在于，包括：基板，覆盖在所述基板上的平坦化层，以及覆盖在所述平坦化层背离所述基板一侧的保护层；所述保护层具有导热性、透明性和绝缘性。
2.根据权利要求1所述的显示装置，其特征在于，所述保护层包括：二氧化硅薄膜层。
3.根据权利要求1所述的显示装置，其特征在于，所述保护层的厚度包括：1μm-3μm。
4.根据权利要求1所述的显示装置，其特征在于，还包括：阳极层、像素界定层、发光层、阴极层和封装层；
在所述保护层背离所述平坦化层的一侧，形成有所述阳极层和所述像素界定层；
所述阳极层穿过所述保护层、平坦化层与所述基板连接；
所述发光层、阴极层和封装层依次设置在所述阳极层和所述像素界定层背离所述保护层的一侧。
5.一种显示装置的制备方法，其特征在于，包括：
提供基板；
在所述基板上涂布平坦化层；
在所述平坦化层远离所述基板的一侧制备保护层。
6.根据权利要求5所述的制备方法，其特征在于，所述在所述平坦化层远离所述基板的一侧制备保护层，包括：
制备二氧化硅溶胶；
将所述二氧化硅溶胶涂布在所述平坦化层远离所述基板的一侧；
加热固化所述二氧化硅溶胶，获得二氧化硅薄膜层。
7.根据权利要求6所述的制备方法，其特征在于，所述制备二氧化硅溶胶包括：
将正硅酸乙酯和溶剂按照第一预设比例混合，然后加入碱性催化剂进行搅拌；
添加第二预设比例的N，N-二甲基甲酰胺，搅拌后得到所述二氧化硅溶胶。
8.根据权利要求7所述的制备方法，其特征在于，所述溶剂包括：乙醇、乙二醇乙醚、异丙醇中的至少一种。
9.根据权利要求7所述的制备方法，其特征在于，所述碱性催化剂包括：氨水和水的摩尔比范围为0.001-0.002的混合物。
10.根据权利要求7所述的制备方法，其特征在于，所述第二预设比例为：体积分数包括25％-35％。
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