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CN110867136B - 极点屏及电子设备 - Google Patents

极点屏及电子设备 Download PDF

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Publication number
CN110867136B
CN110867136B CN201911158728.6A CN201911158728A CN110867136B CN 110867136 B CN110867136 B CN 110867136B CN 201911158728 A CN201911158728 A CN 201911158728A CN 110867136 B CN110867136 B CN 110867136B
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CN
China
Prior art keywords
hole
glass
polarizer
upper glass
lower glass
Prior art date
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Active
Application number
CN201911158728.6A
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English (en)
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CN110867136A (zh
Inventor
韦宏阳
李冠恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Priority to CN201911158728.6A priority Critical patent/CN110867136B/zh
Publication of CN110867136A publication Critical patent/CN110867136A/zh
Priority to PCT/CN2020/130232 priority patent/WO2021098800A1/zh
Priority to EP20891282.4A priority patent/EP4064256B1/en
Priority to JP2022529743A priority patent/JP7359960B2/ja
Priority to ES20891282T priority patent/ES2992494T3/es
Priority to KR1020227019939A priority patent/KR102768166B1/ko
Application granted granted Critical
Publication of CN110867136B publication Critical patent/CN110867136B/zh
Priority to US17/750,130 priority patent/US12220900B2/en
Active legal-status Critical Current
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  • Physics & Mathematics (AREA)
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Abstract

本发明公开一种极点屏,其包括透光盖板、偏光片和玻璃组件,偏光片与透光盖板连接,偏光片上设置有第一通孔,且第一通孔内填充有透明光学胶水;玻璃组件与偏光片连接,令偏光片位于透光盖板和玻璃组件之间,且玻璃组件在与第一通孔对应的位置设置有第二通孔。本发明公开的极点屏在将偏光片与透光盖板连接前,先在第一通孔内填充透明光学胶水,由于该透明光学胶水呈液态,因此可以将第一通孔完全填充,当透明光学胶水凝固时,第一通孔内不会出现气泡,从而避免影响外观和可靠性测试。本发明还公开了一种电子设备。

Description

极点屏及电子设备
技术领域
本发明涉及通信设备技术领域,尤其涉及一种极点屏及电子设备。
背景技术
极点屏是一种将手机前置摄像头放置在显示屏下方的设计方案,包括显示屏面板(Panel)开通孔和透明孔两种方式。因为直接将摄像头放置在显示屏下方,不占用手机边框空间,所以可以实现超窄边框,达到更高的屏占比,更好的全面屏效果,其中透明孔方案,又称为盲孔方案,可以实现更小孔径,对显示屏有效显示区域(AA)影响小,被各手机厂家广泛采用。
采用盲孔方案的AMOLED极点屏,需要在偏光片POL上与Panel透明孔对应的位置开孔,让光线顺利穿过显示模组达到,Panel下方的摄像头,因为POL有一定的厚度(一般为70-200um),在POL孔边缘的位置,目前使用的全贴合透明光学胶(OCA)无法全部填充,会存在贴合气泡,影响外观和可靠性测试。
发明内容
本发明公开一种极点屏以及电子设备,以解决现有的开孔内存在气泡的问题。
本发明的实施例是这样实现的:
基于上述的目的,本发明的实施例公开了一种极点屏,包括:
透光盖板;
偏光片,所述偏光片与所述透光盖板连接,所述偏光片上设置有第一通孔,且所述第一通孔内填充有透明光学胶水;以及
玻璃组件,所述玻璃组件与所述偏光片连接,令所述偏光片位于所述透光盖板和所述玻璃组件之间,且所述玻璃组件在与所述第一通孔对应的位置设置有第二通孔。
基于上述的目的,本发明的实施例还公开了一种电子设备,包括如上所述的极点屏。
本发明采用的技术方案能够达到以下有益效果:
本发明公开的极点屏在将偏光片与透光盖板连接前,先在第一通孔内填充透明光学胶水,由于该透明光学胶水呈液态,因此可以将第一通孔完全填充,当透明光学胶水凝固时,第一通孔内不会出现气泡,从而避免影响外观和可靠性测试。
附图说明
此处所说明的附图用来公开对本发明的进一步理解,构成本发明的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1为本发明实施例公开的极点屏的示意图;
图2为本发明实施例公开的偏光片的示意图;
图3为本发明实施例公开的上玻璃在第一状态时的示意图;
图4为本发明实施例公开的上玻璃在第二状态时的示意图;
图5为本发明实施例公开的下玻璃在第一状态时的示意图;
图6为本发明实施例公开的下玻璃在第二状态时的示意图。
附图标记说明:100-透光盖板;200-偏光片;210-透明光学胶水;220-第一通孔;300-玻璃组件;310-上玻璃;311-第一挖槽;312-第一槽底;313-第一凹槽;320-下玻璃;321-第二挖槽;322-第二凹槽;323-第二槽底;330-泡棉;331-第二通孔;340-框胶;350-支撑柱;400-光学透明双面胶。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面将结合本发明具体实施例及相应的附图对本发明技术方案进行清楚、完整地描述。显然,所描述的实施例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。
以下结合附图,详细说明本发明各个实施例公开的技术方案。
请参考图1和图2,本发明实施例公开一种极点屏,其包括透光盖板100、偏光片200和玻璃组件300。
透光盖板100可以是玻璃盖板等透明件,其主要起到保护的作用。
偏光片200与透光盖板100连接,在偏光片200上设置有第一通孔220,且在第一通孔220内填充有透明光学胶水210,利用透明光学胶水210可以将第一通孔220填满,且不会影响光线的通过。在将偏光片200与透光盖板100连接前,先在第一通孔220内填充透明光学胶水210,由于该透明光学胶水210呈液态,具有良好的流动性,因此可以将第一通孔220完全填充,当透明光学胶水210凝固时,第一通孔220内不会出现气泡,从而避免影响外观和可靠性测试。同时,透明光学胶水210会与偏光片200粘接在一起,从而避免移位的情况出现,可以方便后续的其他部件的安装。
玻璃组件300与偏光片200连接,使偏光片200位于透光盖板100和玻璃组件300之间,在玻璃组件300与第一通孔220对应的位置设置有第二通孔331,第二通孔331与第一通孔220配合,可以供光线通过。
其中,玻璃组件300包括上玻璃310、下玻璃320、支撑柱350和泡棉330。
上玻璃310直接与偏光片200连接,下玻璃320通过框胶340与上玻璃310连接,框胶340位于上玻璃310和下玻璃320之间,且框胶340沿上玻璃310的周向设置成环形,以使框胶340在上玻璃310和下玻璃320之间围呈一个内腔,下玻璃320位于上玻璃310背离偏光片200的一侧,同时,在上玻璃310与下玻璃320之间还填充有多个支撑柱350,多个支撑柱350间隔设置在上玻璃310和下玻璃320之间,且多个支撑柱350均位于该内腔内,泡棉330与下玻璃320连接后,令下玻璃320位于上玻璃310和泡棉330之间,第二通孔331位于泡棉330上,且第二通孔331与第一通孔220同轴设置。
需要注意的是,在上玻璃310和下玻璃320之间与第一通孔220对应的区域不设置支撑柱350,以避免对光线的传播造成影响。
在本实施例的一些实施方式中,可以在上玻璃310上设置第一挖槽311。
上玻璃310在与偏光片200连接后,由于上玻璃310在偏光片200的第一通孔220处是呈悬空状态的,因此,在使用时,上玻璃310在该位置容易出现变形的情况,其主要形变表现为该处朝向背离偏光片200的方向凹陷,此时会在上玻璃310朝向偏光片200的一侧形成第一凹槽313,而在上玻璃310朝向下玻璃320的一侧形成凸起。这种凹陷所带来的影响就是在使用时,入射光线在上玻璃310的下表面和下玻璃320的上表面之间的反射光容易形成薄膜干涉效应。其主要原因是上玻璃310在该处形成的球状凸起。
为了改善这一情况,可以在上玻璃310上设置第一挖槽311,第一挖槽311位于上玻璃310朝向下玻璃320的一侧,且第一挖槽311的位置与第一通孔220的位置对应。在上玻璃310上设置第一挖槽311后,会改变入射光线经过上玻璃310后射向下玻璃320的角度,从而使薄膜干涉效应得到改善。
进一步地,参阅图4,图4为上玻璃310未发生凹陷时的状态,在本实施例的一些实施方式中,还可以加将第一槽底312设置成弧面,该第一槽底312即为第一挖槽311的槽底。第一槽底312沿第一挖槽311的凹陷方向呈弧形,即该弧形的外壁朝向第一通孔220。
将第一槽底312设置成弧面可以进一步的改变当上玻璃310发生凹陷时,上玻璃310在该处朝向下玻璃320的一面的形状,从而使薄膜干涉效应得到改善。
作为本实施例的较优实施方式,在将第一槽底312改造成弧面前,可以先对上玻璃310凹陷后形成的第一凹槽313的形状进行测量,然后再将第一槽底312打磨成与第一凹槽313相同的形状。参阅图3(图3为上玻璃310发生凹陷后的形状),当第一槽底312与第一凹槽313的形状相同时,上玻璃310发生凹陷后,会让第一槽底312发生形变并基本变为平面,此时可以更好的改善薄膜干涉效应。
此外,参阅图6,图6为下玻璃320未发生凹陷时的状态,还可以在下玻璃320上设置第二挖槽321,第二挖槽321位于下玻璃320朝向上玻璃310的一侧,且第二挖槽321位于下玻璃320与第二通孔331对应的位置。
下玻璃320是位于上玻璃310与泡棉330之间的,且泡棉330在与第一通孔220对应的位置设置有第二通孔331,因此,下玻璃320在泡棉330的第二通孔331处呈悬空状态的,在使用时,下玻璃320在该位置也容易出现变形情况,且其主要形变变现为该处朝向上玻璃310凹陷,此时会在下玻璃320背向上玻璃310的一侧形成第二凹槽322,而在下玻璃320朝向上玻璃310的一侧形成凸起,这种形成也容易让上玻璃310的下表面和下玻璃320的上表面之间的反射光形成薄膜干涉效应。第二挖槽321的设置可以有效的改善上述的情况,当第二挖槽321和第一挖槽311配合后,能够使薄膜干涉效应得到更好的改善。
进一步地,在本实施例的一些实施方式中,还可以加将第二槽底323设置成弧面,该第二槽底323即为第二挖槽321的槽底。第二槽底323沿下玻璃320朝向泡棉330的方向呈弧形,即该弧形的外壁朝向第二通孔331。
将第二槽底323设置成弧面可以进一步的改变当下玻璃320发生凹陷时,下玻璃320在该处朝向上玻璃310的一面的形状,从而使薄膜干涉效应得到改善。
其中,第一挖槽311可以设置成圆柱状,第二挖槽321可以设置成球状,第一挖槽311和第二挖槽321同轴设置,且第一挖槽311和第二挖槽321均与第一通孔220同轴,以使本极点屏内的第一通孔220、第一挖槽311、第二挖槽321以及第二通孔331这四个透光部位均是同轴设置,方便光线的通过。
此外,第一挖槽311的直径可以是与第一通孔220的直径相等,而第二挖槽321的直径可以与第二通孔331的直径相等,第二通孔331的直径略小于第一通孔220的直径。
由于不同的电子设备其第一通孔220和第二通孔331的大小可能会不同,因此,第一挖槽311和第二挖槽321的大小和深度也可以根据不同的电子设备进行适当调整,以达到最优的效果。
作为本实施例的较优实施方式,在将第二槽底323改造成弧面前,可以先对下玻璃320凹陷后形成的第二凹槽322的形状进行测量,然后再将第二槽底323打磨成与第二凹槽322相同的形状。参阅图5(图5为下玻璃320发生凹陷后的形状),当第二槽底323与第二凹槽322的形状相同时,下玻璃320发生凹陷后,会让第二槽底323发生形变并基本变为平面,此时可以更好的改善薄膜干涉效应。
由于当上玻璃310和下玻璃320均凹陷时,第一槽底312和第二槽底323均为平面,因此能够基本杜绝薄膜干涉效应的出现。
在本实施例的一些实施方式中,支撑柱350与上玻璃310接触的面积小于支撑柱350与下玻璃320接触的面积。这是由于入射光线一般是从上玻璃310朝向下玻璃320射入,因此,减小支撑柱350与上玻璃310的接触面积可以避免形成阴影。
进一步地,可以将支撑柱350设置成锥形,即支撑柱350的横截面积沿上玻璃310朝向下玻璃320的方向逐渐增大。
在本实施例的一些实施方式中,偏光片200与透光盖板100可以通过光学透明双面胶400连接,光学透明双面胶400连接具有无色透明、光透过率在90%以上、胶结强度良好,可在室温或中温下固化,且有固化收缩小等特点。在本实施例中,光学透明双面胶400可以是OCA光学胶,当然,OCA光学胶只是本实施例的一种实施方式,在其他的实施方式中,偏光片200与透光盖板100通过其他的光透过率在90%以上的光学透明双面胶400连接也是可以的。
在进行装配时,可以先将玻璃组件300组装好,然后再将偏光片200与上玻璃310连接在一起,当偏光片200与玻璃组件300连接稳固后,可以将他们放置到平面上,使偏光片200位于最上方,然后向偏光片200上的第一通孔220内填充透明光学胶水210,由于此时在上玻璃310上会凹陷形成一个与第一通孔220连通的第一凹槽313,因此,在填充透明光学胶水210时,需要让透明光学胶水210的体积大于第一通孔220的容积,以使透明光学胶水210将第一凹槽313也填满,从而避免在偏光片200与上玻璃310之间产生缝隙;最后再利用光学透明双面胶400将透光盖板100粘接到偏光片200上,即可完成组装。
为了避免透明光学胶水210在凝固后出现体积收缩的情况,可以在第一通孔220的透明光学胶水210完全凝固,且凝固后的透明光学胶水210的上表面与偏光片200的上表面齐平后,再让透明盖板与偏光片200进行连接。
在本实施例的一些实施方式中,透明光学胶水210可以是通过UV光固化,偏光片200与上玻璃310之间也可以是通过光学透明双面胶400进行粘接。
第一挖槽311和第二挖槽321的开设可以是通过数控机床或者蚀刻等方式加工制作。
上玻璃310和下玻璃320可以配合使用玻璃抛光工艺,对上玻璃310的下表面和下玻璃320的上表面进行抛光处理,改善上玻璃310和下玻璃320的表面平整度,降低上玻璃310在第一通孔220处的凹陷程度以及下玻璃320在第二通孔331处的凹陷程度,从而降低对入射光线的干扰程度。
本发明实施例还公开了一种电子设备,该电子设备包括上述的集电屏。
本发明提供的电子设备具有上述的极点屏,由于该极点屏内的第一通孔220是通过透明光学胶水210填充的,因此在偏光片200和玻璃组件300以及偏光片200与透光盖板100之间均不会产生缝隙,因此不会对外观和可靠性测试造成影响,使摄像头的性能得到优化。
本发明实施例公开的电子设备可以是手机、平板电脑、电子书阅读器、游戏机、智能手表等设备,本发明实施例不限制电子设备的具体种类。
本发明上文实施例中重点描述的是各个实施例之间的不同,各个实施例之间不同的优化特征只要不矛盾,均可以组合形成更优的实施例,考虑到行文简洁,在此则不再赘述。
以上所述仅为本发明的实施例而已,并不用于限制本发明。对于本领域技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原理之内所作的任何修改、等同替换、改进等,均应包含在本发明的权利要求范围之内。

Claims (9)

1.一种极点屏,其特征在于,包括:
透光盖板(100);
偏光片(200),所述偏光片(200)与所述透光盖板(100)连接,所述偏光片(200)上设置有第一通孔(220),且所述第一通孔(220)内填充有透明光学胶水(210);以及
玻璃组件(300),所述玻璃组件(300)与所述偏光片(200)连接,所述偏光片(200)位于所述透光盖板(100)和所述玻璃组件(300)之间,且所述玻璃组件(300)在与所述第一通孔(220)对应的位置设置有第二通孔(331);
其中,所述玻璃组件(300)包括:
上玻璃(310),所述上玻璃(310)与所述偏光片(200)连接,所述上玻璃(310)与所述第一通孔(220)对应的位置设置有第一挖槽(311),所述第一挖槽(311)位于所述上玻璃(310)背离所述偏光片(200)的一侧;
下玻璃(320),所述下玻璃(320)与所述上玻璃(310)通过框胶(340)连接;
支撑柱(350),所述支撑柱(350)位于所述上玻璃(310)和所述下玻璃(320)之间;以及
泡棉(330),所述泡棉(330)位于所述下玻璃(320)背离所述上玻璃(310)的一侧,所述第二通孔(331)位于所述泡棉(330)。
2.根据权利要求1所述的极点屏,其特征在于,所述第一挖槽(311)的第一槽底(312)为弧面,且所述弧面的外侧朝向所述第一通孔(220)。
3.根据权利要求2所述的极点屏,其特征在于,所述第一挖槽(311)的横截面呈圆形,且所述第一挖槽(311)的直径等于所述第一通孔(220)的直径。
4.根据权利要求1所述的极点屏,其特征在于,所述下玻璃(320)与所述第一挖槽(311)对应的位置设置有第二挖槽(321),所述第二挖槽(321)位于所述下玻璃(320)朝向所述上玻璃(310)的一侧。
5.根据权利要求1所述的极点屏,其特征在于,所述支撑柱(350)与所述上玻璃(310)接触的面积小于所述支撑柱(350)与所述下玻璃(320)接触的面积。
6.根据权利要求5所述的极点屏,其特征在于,所述支撑柱(350)的横截面积沿所述上玻璃(310)朝向所述下玻璃(320)的方向逐渐增大。
7.根据权利要求1至6任一项所述的极点屏,其特征在于,所述透明光学胶水(210)的体积大于所述第一通孔(220)的容积。
8.根据权利要求1至6任一项所述的极点屏,其特征在于,所述偏光片(200)通过光学透明双面胶(400)与所述透光盖板(100)连接。
9.一种电子设备,其特征在于,包括如权利要求1至8任一项所述的极点屏。
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