CN108535903A - 一种显示模组及显示装置 - Google Patents

一种显示模组及显示装置 Download PDF

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CN108535903A
CN108535903A CN201810378434.3A CN201810378434A CN108535903A CN 108535903 A CN108535903 A CN 108535903A CN 201810378434 A CN201810378434 A CN 201810378434A CN 108535903 A CN108535903 A CN 108535903A
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conductive
display module
substrate
shielding layer
module
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CN108535903B (zh
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吴昊
张晓萍
尹辉
景奇
张铮
次刚
马晓
罗振华
张罗
曹学文
刘彬彬
苏伟
金亨奎
蔡斯特
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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 US16/473,080 priority patent/US11199749B2/en
Priority to PCT/CN2018/115265 priority patent/WO2019205587A1/zh
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Abstract

本发明涉及显示装置技术领域，公开了一种显示模组及显示装置，以减少发光二极管由于静电原因导致的损坏，从而减少显示模组的静电损伤，延长显示装置的使用寿命。显示模组包括：背光模组以及位于背光模组出光侧的液晶面板，其中：背光模组包括发光二极管灯组和反射片；液晶面板包括沿远离背光模组方向依次设置的第一基板和第二基板，第一基板包括未被第二基板覆盖的非遮挡区，发光二极管灯组在第一基板的正投影位于非遮挡区中，非遮挡区远离背光模组的一侧具有导电屏蔽层，导电屏蔽层接地设置。

Description

一种显示模组及显示装置
技术领域
本发明涉及显示技术领域，特别是涉及一种显示模组及显示装置。
背景技术
在平板显示装置中，薄膜晶体管液晶显示器(Thin Film Transistor LiquidCrystal Display，TFT-LCD)具有体积小、功耗低、制造成本相对较低和无辐射等特点，在当前的平板显示器市场占据了主导地位。
现有TFT-LCD的结构通常包括背光模组以及位于背光模组出光侧的液晶显示面板。由于液晶显示面板本身并不发光，因此，背光模组对于TFT-LCD来说是必不可少的。目前背光模组普遍采用发光二极管作为光源。
随着全面屏在手机等移动终端中的应用，对于显示屏的阵列基板以及彩膜基板端部的异形切割设计日趋普遍，这时无论采用何种类型的切割都会使发光二极管距离屏幕边缘越来越近，当在显示模组周边区域产生静电并传导至发光二极管所在区域时，会导致发光二极管出现灭灯、爆灯等静电损伤的情况。
发明内容
本发明实施例的目的是提供一种显示模组及显示装置，以减少发光二极管由于静电原因导致的损坏，从而减少显示模组的静电损伤，延长显示装置的使用寿命。
本发明实施例提供了一种显示模组，包括：背光模组以及位于所述背光模组出光侧的液晶面板，其中：
所述背光模组包括发光二极管灯组和反射片；
所述液晶面板包括沿远离所述背光模组方向依次设置的第一基板和第二基板，所述第一基板包括未被所述第二基板覆盖的非遮挡区，所述发光二极管灯组在所述第一基板的正投影位于所述非遮挡区中，所述非遮挡区远离所述背光模组的一侧具有导电屏蔽层，所述导电屏蔽层接地设置。
采用本技术方案的显示模组，当在显示模组的周边区域产生静电并传到至发光二极管所在区域时，由于导电屏蔽层接地设置，因此，可通过导电屏蔽层实现对静电的释放。
由此可见，本技术方案的显示模组能够有效的减少发光二极管由于静电原因导致的损坏，从而减少显示模组的静电损伤，延长包括该显示模组的显示装置的使用寿命。这里值得一提的是，显示模组的下方是指其远离观看者的一方。
可选的，所述反射片在远离所述液晶面板的一侧包括导电层，所述导电层与所述导电屏蔽层通过位于所述显示模组侧端的导电连接部连接。
这样设置可以形成导电层、导电连接部以及导电屏蔽层的导电通路。当有静电从显示模组的下方传导过来时，静电首先通过导电层传递到导电连接部，再通过导电连接部传递到第一基板上的导电屏蔽层，由于导电屏蔽层接地设置，因此，静电便通过导电屏蔽层传递到大地，从而完成静电的释放。
可选的，所述背光模组还包括设置在所述反射片远离所述液晶面板一侧的金属背板，所述金属背板与所述导电屏蔽层通过位于所述显示模组侧端的导电连接部连接。
由于金属背板可以导电，因此，当背光模组包括金属背板时，可以形成金属背板、导电连接部以及导电屏蔽层的导电通路。当有静电从显示模组的下方传导过来时，静电首先通过导电层传递到导电连接部，再通过导电连接部传递到第一基板上的导电屏蔽层，由于导电屏蔽层接地设置，因此，静电便通过导电屏蔽层传递到大地，从而完成静电的释放。
优选的，所述导电屏蔽层包括分别与所述发光二极管灯组的两个端部相对设置的导电屏蔽单元。
优选的，所述液晶面板还包括与所述第一基板连接的柔性电路板，所述导电屏蔽层与所述柔性电路板连接。这样可以使传导到导电屏蔽层的静电通过柔性电路板释放到大地。
优选的，所述显示模组还包括位于所述液晶面板远离所述背光模组一侧的盖板，所述盖板靠近所述液晶面板一侧表面设置有导电结构；所述非遮挡区和所述盖板之间设置有与所述导电结构接触的导电缓冲层，所述导电缓冲层与所述导电屏蔽层导电接触，或所述导电缓冲层与所述柔性电路板导电接触。
通过在盖板和第一基板之间设置导电缓冲层，可以增加从导电层、导电连接部、柔性电路板，再从柔性电路板通过导电缓冲层到盖板进行静电释放的路径。从而能够有效的提高静电释放的效率。
可选的，所述导电缓冲层的材料为导电泡棉。通过设置导电缓冲层不仅可以增加静电传导的通路以提高静电释放的效率，还能够实现对盖板的缓冲支撑，从而增加显示模组的结构稳定性。
可选的，所述导电层的材料包括石墨，和/或，所述导电屏蔽层的材料包括透明导电材料。
将导电屏蔽层设置为透明导电屏蔽层可以在实现静电释放的同时不影响显示模组显示效果。
较佳的，所述导电层的形状为条状。
优选的，所述导电层在所述反射片上的正投影至少覆盖所述发光二极管灯组在所述反射片上的正投影。将导电层只设置在与发光二极管灯组相对的条形区域，可以在保证导电层导电性能的同时减少导电层的设置范围，从而降低显示模组的生产成本。
优选的，所述导电屏蔽层覆盖所述发光二极管灯组的至少一颗发光二极管。这样不仅能够起到对发光二极管的静电防护，还能够减少静电屏蔽层的涂覆范围，从而降低显示模组的生产成本。
可选的，所述导电连接部为导电胶涂层。
基于相同的发明构思，本发明实施例还提供一种显示装置，包括：如前任一项所述的显示模组，以及设置于所述背光模组远离所述第一基板一侧的机壳，所述导电层与所述机壳导电接触。
本技术方案的显示装置能够有效的减少发光二极管由于静电原因导致的损坏，从而减少显示模组的静电损伤，因此其具有较长的使用寿命。并且导电层与机壳导电接触，可以通过机壳对静电进行传导，从而为静电的传导增加了路径，进一步提高了静电传导的效率。
附图说明
图1为本发明一实施例的显示模组的结构示意图；
图2为本发明另一实施例的显示模组的结构示意图；
图3为本发明又一实施例的显示模组的结构示意图；
图4为本发明一实施例的显示模组的结构示意图；
图5为本发明一实施例的显示装置的结构示意图。
附图标记：
1-背光模组；2-液晶面板；3-导电层；4-反射片；
5-第一基板；6-第二基板；7-非遮挡区；8-发光二极管灯组；
9-导电屏蔽层；10-导电连接部；11-柔性电路板；12-盖板；
13-导电缓冲层；14-发光二极管；15-机壳；16-金属背板。
具体实施方式
为减少发光二极管由于静电原因导致的损坏，从而减少显示模组的静电损失，延长显示装置的使用寿命，本发明实施例提供了一种显示模组及显示装置。为使本发明的目的、技术方案和优点更加清楚，以下举实施例对本发明作进一步详细说明。
如图1至图5所示，本发明实施例提供的显示模组，包括：背光模组1以及位于背光模组1出光侧的液晶面板2，其中：
背光模组1包括发光二极管14和反射片4；
液晶面板2包括沿远离背光模组1方向依次设置的第一基板5和第二基板6，第一基板5包括未被第二基板6覆盖的非遮挡区7，发光二极管灯组8在第一基板5的正投影位于非遮挡区7中，非遮挡区7远离背光模组1的一侧具有导电屏蔽层9，导电屏蔽层9接地设置。
采用本技术方案的显示模组，当在显示模组周边区域产生静电并传导至发光二极管所在区域时，由于导电屏蔽层9接地设置，因此可通过导电屏蔽层9实现对静电的释放。例如，当液晶面板2处有静电产生时，可直接通过导电屏蔽层9对静电进行传导。并且，可以将导电屏蔽层9设置为透明导电屏蔽层。这样可以在实现静电释放的同时不影响显示模组显示效果。
由此可见，本技术方案的显示模组能够有效的减少发光二极管14由于静电原因导致的损坏，从而减少显示模组的静电损伤，延长包括该显示模组的显示装置的使用寿命。这里值得一提的是，显示模组的下方是指其远离观看者的一方。
如图2、图3和图5所示，在本发明一可选的实施例中，反射片4在远离液晶面板2的一侧包括导电层3，导电层3与导电屏蔽层9通过位于显示模组侧端的导电连接部10连接。
这样设置可以形成导电层3、导电连接部10以及导电屏蔽层9的导电通路。当有静电从显示模组的下方传导过来时，静电首先通过导电层3传递到导电连接部10，再通过导电连接部10传递到第一基板5上的导电屏蔽层9，由于导电屏蔽层9接地设置，因此，静电便通过导电屏蔽层9传递到大地，从而完成静电的释放。
如图2、图3以及图5所示，在本发明较佳的实施例中，导电层3为条状的石墨粘接层或石墨涂层。优选的，条状结构的导电层3在反射片4上的正投影至少覆盖发光二极管灯组8在反射片4上的正投影。当将导电层3只设置在与发光二极管灯组8相对的条形区域时，可以在保证导电层3导电性能的同时减少导电层3的设置范围，从而降低显示模组的生产成本。
如图4所示，在本发明另一可选的实施例中，背光模组1还包括设置在反射片4远离液晶面板2一侧的金属背板16，金属背板16与导电屏蔽层9通过位于显示模组侧端的导电连接部10连接。
当背光模组1包括金属背板16时，由于金属背板16可以导电，可以省略导电层3，由金属背板16与反射片4贴合的表面实现静电传导的功能。这时可以形成金属背板16、导电连接部10以及导电屏蔽层9的导电通路。当有静电从显示模组的下方传导过来时，静电首先通过导电层3传递到导电连接部10，再通过导电连接部10传递到第一基板5上的导电屏蔽层9，由于导电屏蔽层9接地设置，因此，静电便通过导电屏蔽层9传递到大地，从而完成静电的释放。此外，也可以在金属背板16远离反射片4的一侧的设置导电层3。
如图1所示，在本发明优选的实施例中，导电屏蔽层9包括分别与发光二极管灯组8的两个端部相对设置的导电屏蔽单元。具体的，导电屏蔽层9可以覆盖发光二极管灯组8的至少一颗发光二极管14。这样不仅能够起到对发光二极管14的静电防护，还能够减少静电屏蔽层9的涂覆范围，从而降低显示模组的生产成本。如图1所示，在本发明一优选的实施例中，液晶面板2还包括与第一基板5连接的柔性电路板11，导电屏蔽层9与柔性电路板11连接。这样可以使传导到导电屏蔽层9的静电通过柔性电路板11传导到大地进行释放。
如图3至图5所示，在本发明另一优选的实施例中，显示模组还包括位于液晶面板2远离背光模组1一侧的盖板12，盖板12靠近液晶面板2的一侧表面设置有导电结构；非遮挡区7和盖板12之间设置有与导电结构接触的导电缓冲层13，导电缓冲层13与导电屏蔽层9接触，或导电缓冲层13与柔性电路板11接触。
通过在盖板12和第一基板5之间设置导电缓冲层13，可以增加从导电层3、导电连接部10到柔性电路板11，再从柔性电路板11通过导电缓冲层13到盖板12进行静电释放的路径。从而能够有效的提高静电释放的效率。
在本发明各实施例中，导电缓冲层的材质不限，可以为粘接于盖板靠近第一基板一侧的导电泡棉。
继续以静电从显示模组的下方传导过来为例，当显示模组设置导电缓冲层13时，静电可以通过导电层3传递到导电连接部10，再通过导电连接部10传递到第一基板5上的导电屏蔽层9，然后再通过柔性电路板11进行静电释放。此外，由于盖板12靠近液晶面板2的一侧表面设置有导电结构，导电结构具体可以包括形成于盖板12的电极图案，以及与电极图案电连接的金属导线，这样静电可以通过导电缓冲层13进一步传导到盖板12。由于导电结构可以对静电进行传导释放，从而可以通过盖板12增加静电传导的通路以提高静电释放的效率。并且导电缓冲层13还能够实现对盖板12的缓冲支撑，从而增加显示模组的结构稳定性。
在本发明各实施例中，导电连接部可以为面状的导电胶涂层，或，导电胶涂层为线状的导电胶涂层。导电胶涂层设置为面状时可以有效的提高静电传导的效率。而当在显示模组周边区域产生静电并传导至发光二极管所在区域的静电量较少以及为了节省生产成本可以将导电胶涂层设置为多条线状的导电胶涂层。
如图5所示，基于相同的发明构思，本发明实施例还提供一种显示装置，包括：如前所述任意一种实施例描述的显示模组，以及设置于背光模组1远离第一基板5一侧的能够导电的机壳15。
本技术方案的显示装置能够有效的减少发光二极管由于静电原因导致的损坏，从而减少显示模组的静电损伤，因此其具有较长的使用寿命。并且当显示模组包括导电层或者金属背板以及导电连接部时，可以通过机壳15对静电进行传导，这样便可以增加包括机壳15的导电通路，进一步提高了静电传导的效率。
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 (13)

1.一种显示模组，其特征在于，包括：背光模组以及位于所述背光模组出光侧的液晶面板，其中：
所述背光模组包括发光二极管灯组和反射片；
所述液晶面板包括沿远离所述背光模组方向依次设置的第一基板和第二基板，所述第一基板包括未被所述第二基板覆盖的非遮挡区，所述发光二极管灯组在所述第一基板的正投影位于所述非遮挡区中，所述非遮挡区远离所述背光模组的一侧具有导电屏蔽层，所述导电屏蔽层接地设置。
2.如权利要求1所述的显示模组，其特征在于，所述反射片在远离所述液晶面板的一侧包括导电层，所述导电层与所述导电屏蔽层通过位于所述显示模组侧端的导电连接部连接。
3.如权利要求1所述的显示模组，其特征在于，所述背光模组还包括设置在所述反射片远离所述液晶面板一侧的金属背板，所述金属背板与所述导电屏蔽层通过位于所述显示模组侧端的导电连接部连接。
4.如权利要求1所述的显示模组，其特征在于，所述导电屏蔽层包括分别与所述发光二极管灯组的两个端部相对设置的导电屏蔽单元。
5.如权利要求1所述的显示模组，其特征在于，所述液晶面板还包括与所述第一基板连接的柔性电路板，所述导电屏蔽层与所述柔性电路板连接。
6.如权利要求5所述的显示模组，其特征在于，还包括位于所述液晶面板远离所述背光模组一侧的盖板，所述盖板靠近所述液晶面板一侧表面设置有导电结构；
所述非遮挡区和所述盖板之间设置有与所述导电结构接触的导电缓冲层，所述导电缓冲层与所述导电屏蔽层导电接触，或所述导电缓冲层与所述柔性电路板导电接触。
7.如权利要求6所述的显示模组，其特征在于，所述导电缓冲层的材料为导电泡棉。
8.如权利要求2所述的显示模组，其特征在于，所述导电层的材料包括石墨，和/或，所述导电屏蔽层的材料包括透明导电材料。
9.如权利要求8所述的显示模组，其特征在于，所述导电层的形状为条状。
10.如权利要求9所述的显示模组，其特征在于，所述导电层在所述反射片上的正投影至少覆盖所述发光二极管灯组在所述反射片上的正投影。
11.如权利要求1所述的显示模组，其特征在于，所述导电屏蔽层覆盖所述发光二极管灯组的至少一颗发光二极管。
12.如权利要求2或3所述的显示模组，其特征在于，所述导电连接部为导电胶涂层。
13.一种显示装置，其特征在于，包括：如权利要求1～12任一项所述的显示模组，以及设置于所述背光模组远离所述第一基板一侧的机壳。
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CN111487814A (zh) * 2020-05-26 2020-08-04 武汉天马微电子有限公司 背光模组及显示装置
CN112349207A (zh) * 2020-11-10 2021-02-09 京东方科技集团股份有限公司 一种背光模组和显示面板
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