CN203595046U - 用于背光模组的光学膜片 - Google Patents

用于背光模组的光学膜片 Download PDF

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CN203595046U
CN203595046U CN201320793976.XU CN201320793976U CN203595046U CN 203595046 U CN203595046 U CN 203595046U CN 201320793976 U CN201320793976 U CN 201320793976U CN 203595046 U CN203595046 U CN 203595046U
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diffusion sheet
backlight module
cut
ear
lug part
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宁文静
刘训良
李伟
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Boxun Photoelectric Technology Hefei Co ltd
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HEFEI FUYING OPTICAL Co Ltd
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Abstract

用于背光模组的光学膜片，由依次堆叠的上扩散片、增光片和下扩散片组成，上扩散片耳部上裁切有大缺口，增光片耳部上裁切有与上述大缺口等深度的小缺口，下扩散片耳部不做裁切，其中增光片耳部的小缺口一切边与上扩散片耳部的大缺口一切边对齐。本实用新型结构简单，通过在上扩散片、增光片和下扩散片的耳部裁切不同的缺口，改良了定位机制，无需增加费用，裁切方便，可以在背光模组组装的同时目视有无光学膜片漏装，提高了产品的成品率和工作效率，节省了组装时间。

Description

用于背光模组的光学膜片
技术领域
本实用新型涉及背光模组领域，具体为一种用于背光模组的光学膜片。 
背景技术 
目前，用于背光模组的光学膜片组装直接影响了整个模组的亮度和目视状况，其中光学膜片漏装的问题则是背光模组组装常常发生的问题，主要是光学膜片保护膜撕离堆叠后目视不易区分，往往要在组立完成后测量辉度才能察觉光学膜片漏装的问题，其影响到须拆解维修，客户端甚至会有赔偿问题产生。如图1所示，光学膜片耳部上扩散片1、增光片2和下扩散片3的外型尺寸相同，上述膜片依次堆叠后目视很难区分，很容易造成漏装。 
实用新型内容
本实用新型所解决的技术问题在于提供一种用于背光模组的光学膜片，以解决上述背景技术中提出的问题。 
本实用新型所解决的技术问题采用以下技术方案来实现： 
用于背光模组的光学膜片，由依次堆叠的上扩散片、增光片和下扩散片组成，上扩散片耳部上裁切有大缺口，增光片耳部上裁切有与上述大缺口等深度的小缺口，下扩散片耳部不做裁切，其中增光片耳部的小缺口一切边与上扩散片耳部的大缺口一切边对齐。 
进一步的，增光片耳部小缺口宽度为上扩散片耳部大缺口宽度的0.3～0.9倍。 
进一步的，大缺口宽度为上扩散片耳部宽度的0.6～0.8倍。 
进一步的，所述用于背光模组的光学膜片由依次堆叠的上扩散片、第一增光片、第二增光片和下扩散片组成，上扩散片耳部上裁切有大缺口，第一增光片耳部上裁切有中缺口，第二增光片耳部上裁切有小缺口，且大缺口、中缺口、小缺口其中一切边相互对齐，下扩散片耳部不做裁切。 
本实用新型的有益效果为：本实用新型结构简单，通过在上扩散片、增光片和下扩散片的耳部裁切不同的缺口，改良了定位机制，无需增加费用，裁切方便，可以在背光模组组装的同时目视有无光学膜片漏装，提高了产品的成品率和工作效率，节省了组装时间。 
附图说明
图1为现有技术的结构示意图； 
图2为本实用新型的结构示意图； 
图3为本实用新型上扩散片的结构示意图； 
图4为本实用新型增光片的结构示意图； 
图5为本实用新型下扩散片的结构示意图。 
具体实施方式
为了使本实用新型的实现技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本实用新型。 
如图2～5所示，用于背光模组的光学膜片，由依次堆叠的上扩散片1、增光片2和下扩散片3组成，上扩散片1耳部上裁切有大缺口4，增光片2耳部上裁切有与上述大缺口4等深度的小缺口5，下扩散片3耳部不做裁切，其中增光片2耳部的小缺口5一切边与上扩散片1耳部的大缺口4一切边对齐。且增光片2耳部小缺口5宽度为上扩散片1耳部大缺口4宽度的0.3～0.9倍，大缺口宽度为上扩散片耳部宽度的0.6～0.8倍。 
本实用新型结构简单，通过在上扩散片1、增光片2和下扩散片3的耳部裁切不同的缺口，改良了定位机制，无需增加费用，裁切方便，可以在背光模组组装的同时目视有无光学膜片漏装，提高了产品的成品率和工作效率，节省了组装时间。 
以上显示和描述了本实用新型的基本原理和主要特征和本实用新型的优点。本行业的技术人员应该了解，本实用新型不受上述实施例的限制，上述实施例和说明书中描述的只是说明本实用新型的原理，在不脱离本实用新型精神 和范围的前提下，本实用新型还会有各种变化和改进，这些变化和改进都落入要求保护的本实用新型范围内。本实用新型的要求保护范围由所附的权利要求书及其等效物界定。 

Claims (3)

1.用于背光模组的光学膜片，由依次堆叠的上扩散片、增光片和下扩散片组成，其特征在于：上扩散片耳部上裁切有大缺口，增光片耳部上裁切有与上述大缺口等深度的小缺口，下扩散片耳部不做裁切，其中增光片耳部的小缺口一切边与上扩散片耳部的大缺口一切边对齐。
2.根据权利要求1所述的用于背光模组的光学膜片，其特征在于：增光片耳部小缺口宽度为上扩散片耳部大缺口宽度的0.3～0.9倍。
3.根据权利要求1或2所述的用于背光模组的光学膜片，其特征在于：大缺口宽度为上扩散片耳部宽度的0.6～0.8倍。
CN201320793976.XU 2013-12-04 2013-12-04 用于背光模组的光学膜片 Expired - Lifetime CN203595046U (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373870A (zh) * 2014-11-17 2015-02-25 深圳市华星光电技术有限公司 背光模组光学膜定位结构、背光模组及显示器
CN106932965A (zh) * 2017-02-23 2017-07-07 友达光电股份有限公司 具凸耳设计的光学膜片、光学膜片组及背光模块
CN107966850A (zh) * 2016-10-19 2018-04-27 三星显示有限公司 显示装置
US10564346B2 (en) 2017-10-20 2020-02-18 Au Optronics (Suzhou) Corp., Ltd. Backlight module and display device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373870A (zh) * 2014-11-17 2015-02-25 深圳市华星光电技术有限公司 背光模组光学膜定位结构、背光模组及显示器
CN107966850A (zh) * 2016-10-19 2018-04-27 三星显示有限公司 显示装置
CN106932965A (zh) * 2017-02-23 2017-07-07 友达光电股份有限公司 具凸耳设计的光学膜片、光学膜片组及背光模块
CN106932965B (zh) * 2017-02-23 2020-07-17 友达光电股份有限公司 具凸耳设计的光学膜片、光学膜片组及背光模块
US10564346B2 (en) 2017-10-20 2020-02-18 Au Optronics (Suzhou) Corp., Ltd. Backlight module and display device

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