CN107153234A - 一种改善背光源边缘亮线的背光源结构及液晶显示屏 - Google Patents

一种改善背光源边缘亮线的背光源结构及液晶显示屏 Download PDF

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CN107153234A
CN107153234A CN201710290547.3A CN201710290547A CN107153234A CN 107153234 A CN107153234 A CN 107153234A CN 201710290547 A CN201710290547 A CN 201710290547A CN 107153234 A CN107153234 A CN 107153234A
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徐贤强
姜发明
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Shenzhen Australis Electronic Technology Co Ltd
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Abstract

本发明公开了一种改善背光源边缘亮线的背光源结构及液晶显示屏，包括：胶框，通过反射片背胶粘接设置在所述胶框的背面的反射片，及从下至上依次设置在所述胶框的正面的导光板、扩散片、下遮光片、上增光片及遮光胶；还包括粘接设置在所述胶框上并对准所述导光板的进光区域用于发光的FPC组件；其中，所述导光板的前侧为进光区域，所述导光板的左侧、右侧及后侧均被反向裁切形成倾角；所述反射片背胶的内侧端位于所述导光板的左侧、右侧及后侧与所述反射片形成的避空区域。本发明解决了现有技术中窄边框或无边框背光源，模组中存在侧边亮线及漏光的问题，提高了显示画面品质；而且导光板采用三边一体裁切，提高了产品良率。

Description

一种改善背光源边缘亮线的背光源结构及液晶显示屏
技术领域
本发明涉及液晶显示屏技术领域，尤其涉及的是一种改善背光源边缘亮线的背光源结构及液晶显示屏。
背景技术
LCD（Liquid Crystal Display，即液晶显示器）本身是非发光的显示器件，所以必须借助背光源才能达到显示效果，因此背光源性能的好坏直接影响着LCD的显像品质。近年来，随着LCD市场的逐渐成熟，经济水平不断提高，用户对产品品质的要求越来越高。背光源技术的高性能化，如高亮度化，低成本化，低能耗化，轻薄化等，倍受人们关注，进而小尺寸、便携式的高性能背光源成为发展LCD的重要课题。
现有的背光源模组中，窄边框或无边框背光源，模组中存在侧边亮线及漏光的问题，影响了显示画面品质。
因此，现有技术还有待于改进和发展。
发明内容
鉴于上述现有技术的不足，本发明的目的在于提供一种改善背光源边缘亮线的背光源结构及液晶显示屏，旨在解决现有技术中窄边框或无边框背光源，模组中存在侧边亮线及漏光的问题，影响了显示画面品质的缺陷。
本发明的技术方案如下：
一种改善背光源边缘亮线的背光源结构，其中，包括：胶框，通过反射片背胶粘接设置在所述胶框的背面的反射片，及从下至上依次设置在所述胶框的正面的导光板、扩散片、下遮光片、上增光片及遮光胶；还包括粘接设置在所述胶框上并对准所述导光板的进光区域用于发光的FPC组件； 其中，所述导光板的前侧为进光区域，所述导光板的左侧、右侧及后侧均被反向裁切形成倾角；所述反射片背胶的内侧端位于所述导光板的左侧、右侧及后侧与所述反射片形成的避空区域。
所述改善背光源边缘亮线的背光源结构，其中，所述FPC组件具体包括通过FPC双面胶固定在胶框上的FPC板，及设置在所述FPC板上的多个LED灯。
所述改善背光源边缘亮线的背光源结构，其中，所述反射片背胶为黑色背胶。
所述改善背光源边缘亮线的背光源结构，其中，所述导光板的左侧被反向裁切后形成的倾角为20-70°。
所述改善背光源边缘亮线的背光源结构，其中，所述导光板的左侧被反向裁切后形成的倾角为45°。
所述改善背光源边缘亮线的背光源结构，其中，所述导光板的右侧被反向裁切后形成的倾角为20-70°。
所述改善背光源边缘亮线的背光源结构，其中，所述导光板的右侧被反向裁切后形成的倾角为45°。
所述改善背光源边缘亮线的背光源结构，其中，所述导光板的后侧被反向裁切后形成的倾角为20-70°。
所述改善背光源边缘亮线的背光源结构，其中，所述导光板的后侧被反向裁切后形成的倾角为45°。
一种液晶显示屏，其中，包括所述的改善背光源边缘亮线的背光源结构。
本发明所提供的改善背光源边缘亮线的背光源结构及液晶显示屏，包括：胶框，通过反射片背胶粘接设置在所述胶框的背面的反射片，及从下至上依次设置在所述胶框的正面的导光板、扩散片、下遮光片、上增光片及遮光胶；还包括粘接设置在所述胶框上并对准所述导光板的进光区域用于发光的FPC组件； 其中，所述导光板的前侧为进光区域，所述导光板的左侧、右侧及后侧均被反向裁切形成倾角；所述反射片背胶的内侧端位于所述导光板的左侧、右侧及后侧与所述反射片形成的避空区域。本发明解决了现有技术中窄边框或无边框背光源，模组中存在侧边亮线及漏光的问题，提高了显示画面品质；而且导光板采用三边一体裁切，提高了产品良率。
附图说明
图1为本发明所述改善背光源边缘亮线的背光源结构较佳实施例的爆炸图。
图2为本发明所述改善背光源边缘亮线的背光源结构较佳实施例的局部示意图。
图3为本发明所述改善背光源边缘亮线的背光源结构中导光板的结构图。
图4a为本发明所述改善背光源边缘亮线的背光源结构中导光板的俯视图。
图4b为本发明所述改善背光源边缘亮线的背光源结构中导光板的左视图。
图4c为本发明所述改善背光源边缘亮线的背光源结构中导光板的右视图。
图4d为本发明所述改善背光源边缘亮线的背光源结构中导光板的后视图。
具体实施方式
本发明提供一种改善背光源边缘亮线的背光源结构及液晶显示屏，为使本发明的目的、技术方案及效果更加清楚、明确，以下对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
请同时参考图1-图3，其中图1为本发明所述改善背光源边缘亮线的背光源结构较佳实施例的爆炸图，图2为本发明所述改善背光源边缘亮线的背光源结构较佳实施例的局部示意图，图3为本发明所述虚拟试衣中改善背光源边缘亮线的背光源结构中导光板的结构图。
如图1-图3所示，所述改善背光源边缘亮线的背光源结构包括：胶框10，通过反射片背胶300粘接设置在所述胶框10的背面的反射片100，及从下至上依次设置在所述胶框10的正面的导光板200、扩散片20、下遮光片30、上增光片40及遮光胶50；还包括粘接设置在所述胶框10上并对准所述导光板200的进光区域用于发光的FPC组件60； 其中，所述导光板200的前侧为进光区域，所述导光板200的左侧、右侧及后侧均被反向裁切形成倾角；所述反射片背胶300的内侧端位于所述导光板200的左侧、右侧及后侧与所述反射片100形成的避空区域210。
本发明的实施例中，所述导光板200采用三边一体反向裁切的方式成型，也即在导光板200成型后通过裁切机器将导光板200的左侧、右侧及后侧分别裁切形成倾角。这与现有技术中导光板中是通过注水孔注塑成型形成长方体状相比，导光板200的左侧、右侧及后侧这三侧均有倾角，能引导射向导光板200的左侧、右侧及后侧的光线，被位于所述导光板200的左侧、右侧及后侧与所述反射片100形成的避空区域210内所露出的部分反射片背胶300吸收，能更有效的改善导光板的边缘无亮线或者漏光的问题。
具体的，所述述导光板200采用三边一体反向裁切的方向成型时，是在所述导光板200的左侧、右侧及底部均进行反向裁切。所述导光板200进行三边一体反向裁切后，其俯视图、左视图、右视图及仰视图分别如图4a-图4d所示。
优选的，如图2和图3所示，所述反射片背胶300为黑色背胶。而且，所述黑色背胶的内侧端位于避空区域210内（所述黑色背胶的内侧端即为黑色背胶的内侧接近放射片中心的一端）。这样，导光板200裁切后的边缘所射出光线基本由黑色背胶所吸收，解决了现有技术中窄边框或无边框背光源，模组中存在侧边亮线及漏光的问题。
具体的，如图2所示，在所述改善背光源边缘亮线的背光源结构中，所述导光板200的左侧被反向裁切后形成的倾角为20-70°；所述导光板200的右侧被反向裁切后形成的倾角为20-70°；所述导光板200的后侧被反向裁切后形成的倾角为20-70°。最佳的，所述导光板200的左侧被反向裁切后形成的倾角为45°；所述导光板200的右侧被反向裁切后形成的倾角为45°；所述导光板200的后侧被反向裁切后形成的倾角为45°。将导光板200左侧、右侧及底部均进行反向裁切，就是为了引导射向向导光板200的左侧、右侧及后侧的光线被避光区域210内露出的黑色背胶所吸收，防止沐足的侧边亮线及漏光。
进一步的，所述反射片背胶300位于所述避空区域内的长度与导光板200的左侧、右侧或底部被反向裁切后形成的倾角呈线性相关。也即，当导光板200的左侧、右侧或底部被反向裁切后形成的倾角角度越大，则所述背胶300搭接在反射片上100的长度越长；当导光板200的左侧、右侧或底部被反向裁切后形成的倾角角度越小，则所述背胶300搭接在反射片上100的长度越短。通过上述导光板200裁切，及对应设置反射片背胶300位于所述避空区域210内的长度，能确保反射片背胶300完全吸收射向避空区域的光线。
基于上述改善背光源边缘亮线的背光源结构，本发明还提供了一种液晶显示屏。所述液晶显示屏，包括所述的改善背光源边缘亮线的背光源结构。
综上所述，本发明所提供的改善背光源边缘亮线的背光源结构及液晶显示屏，包括：胶框，通过反射片背胶粘接设置在所述胶框的背面的反射片，及从下至上依次设置在所述胶框的正面的导光板、扩散片、下遮光片、上增光片及遮光胶；还包括粘接设置在所述胶框上并对准所述导光板的进光区域用于发光的FPC组件； 其中，所述导光板的前侧为进光区域，所述导光板的左侧、右侧及后侧均被反向裁切形成倾角；所述反射片背胶的内侧端位于所述导光板的左侧、右侧及后侧与所述反射片形成的避空区域。本发明解决了现有技术中窄边框或无边框背光源，模组中存在侧边亮线及漏光的问题，提高了显示画面品质；而且导光板采用三边一体裁切，提高了产品良率。
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (10)

1.一种改善背光源边缘亮线的背光源结构，其特征在于，包括：胶框，通过反射片背胶粘接设置在所述胶框的背面的反射片，及从下至上依次设置在所述胶框的正面的导光板、扩散片、下遮光片、上增光片及遮光胶；还包括粘接设置在所述胶框上并对准所述导光板的进光区域用于发光的FPC组件； 其中，所述导光板的前侧为进光区域，所述导光板的左侧、右侧及后侧均被反向裁切形成倾角；所述反射片背胶的内侧端位于所述导光板的左侧、右侧及后侧与所述反射片形成的避空区域。
2.根据权利要求1所述改善背光源边缘亮线的背光源结构，其特征在于，所述FPC组件具体包括通过FPC双面胶固定在胶框上的FPC板，及设置在所述FPC板上的多个LED灯。
3.根据权利要求1所述改善背光源边缘亮线的背光源结构，其特征在于，所述反射片背胶为黑色背胶。
4.根据权利要求1所述改善背光源边缘亮线的背光源结构，其特征在于，所述导光板的左侧被反向裁切后形成的倾角为20-70°。
5.根据权利要求4所述改善背光源边缘亮线的背光源结构，其特征在于，所述导光板的左侧被反向裁切后形成的倾角为45°。
6.根据权利要求1所述改善背光源边缘亮线的背光源结构，其特征在于，所述导光板的右侧被反向裁切后形成的倾角为20-70°。
7.根据权利要求6所述改善背光源边缘亮线的背光源结构，其特征在于，所述导光板的右侧被反向裁切后形成的倾角为45°。
8.根据权利要求1所述改善背光源边缘亮线的背光源结构，其特征在于，所述导光板的后侧被反向裁切后形成的倾角为20-70°。
9.根据权利要求8所述改善背光源边缘亮线的背光源结构，其特征在于，所述导光板的后侧被反向裁切后形成的倾角为45°。
10.一种液晶显示屏，其特征在于，包括如权利要求1-9任一项所述的改善背光源边缘亮线的背光源结构。
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