CN106646965B - 一种触控显示器 - Google Patents

一种触控显示器 Download PDF

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CN106646965B
CN106646965B CN201610933913.8A CN201610933913A CN106646965B CN 106646965 B CN106646965 B CN 106646965B CN 201610933913 A CN201610933913 A CN 201610933913A CN 106646965 B CN106646965 B CN 106646965B
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plate
glass
ito
pet
ito glass
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CN106646965A (zh
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黄威龙
林行
陈志荣
葛健国
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Wuxi Mesh Tech Co ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n

Abstract

本发明提供一种触控显示器，在LCD显示模块背面依次层叠设置有：1/4λ玻板、ITO Glass、PET单向板以及偏光片，所述ITO Glass的正面与PET单向板相对，所述ITO Glass的与PET单向板之间为空气腔体，所述ITO Glass的背面有金属网格，本发明利用1/4λ的PET单向板与抗反射型偏光片的圆偏振光产生光隔离效应，除达抗反射效果外更简化触控面板叠构的复杂性，再利用真空贴合技术胶合触控面板与显示器，彻底解决电阻式触控显示器阳光显示问题；本文利用镀膜的技术，在玻璃上方镀上ITO与金属，在背面镀上金属，再利用黄光微影技术来蚀刻，在正面产生金属模和ITO模，在背面形成抗电磁辐射的金属网格，可以有20 db以上的抗电磁辐射能力防止电磁干扰造成误触或电磁辐射问题造成信息外露。

Description

一种触控显示器
技术领域
本发明涉及显示器技术领域，尤其涉及一种触控显示器。
背景技术
触控显示器应用在人机界面日益广泛，手持式系统在阳光下使用机会很多，目前触控显示器产品为了防止误动作与耐久性与寿命的要求，还是使用电阻式触控面板居多，电阻式触控显示器在阳光下整体反射率达到20%以上，过去为了解决阳光下触控显示问题大多采用增亮显示器亮度方法解决；另外为了防止资料的外泄，以及防止电磁干扰造成的危害，电子产品特别重视电磁辐射干扰与影响，对于电子产品抗电磁辐射的要求越来越高。
发明内容
本发明提供的触控显示器特别针对阳光下可视与防电磁波要求，解决手持式系统触控显示的现存问题，为了达到以上目的，采用以下技术方案：本发明在LCD显示模块背面依次层叠设置有：1/4λ玻板、ITO Glass、PET单向板以及偏光片，所述ITO Glass的正面与PET单向板相对，所述ITO Glass的与PET单向板之间为空气腔体，所述ITO Glass的背面有金属网格。
优选的，所述1/4λ玻板与LCD显示模块、金属网格之间通过液态光学透明胶胶合。
优选的，所述PET单向板为波长为1/4λ，所述PET单向板通过液态光学透明胶与偏振片胶合。
优选的，所述偏光片为抗反射型偏光片。
优选的，所述ITO Glass的正面有ITO镀层和金属镀层。
本发明的有益效果：本发明利用1/4λ的PET单向板与抗反射型偏光片的圆偏振光产生光隔离效应，除达抗反射效果外更简化触控面板叠构的复杂性，再利用真空贴合技术胶合触控面板与显示器，彻底解决电阻式触控显示器阳光显示问题；本文利用镀膜的技术，在玻璃上方镀上ITO与金属，在背面镀上金属，再利用黄光微影技术来蚀刻，在正面产生金属模和ITO模，在背面形成抗电磁辐射的金属网格，可以有20 db以上的抗电磁辐射能力防止电磁干扰造成误触或电磁辐射问题造成信息外露。
附图说明
图1为现有技术的结构示意图；
图2为又一种现有技术的结构示意图；
图3为本发明的结构示意图；
图中，1、LCD显示模块；2、液态光学透明胶；3、1/4λ玻板；4、金属网格；5、ITOGlass；6、空气腔体；7、PET单向板；8、偏光片；9、防反射膜；10、ITO。
具体实施方式
由图1所示可知，现有技术中，防反射薄膜通过液态光学透明胶与PET单向板胶合，所述PET单向板与ITO Glass设置于空气腔体的两侧，所述ITO Glass具有N型氧化物半导体-氧化铟锡的一侧与LCD显示模块设置于又一空气腔体的两侧。
采用此种结构，利用防反射薄膜使表面反射损失减少了4%；且通过将N型氧化物半导体-氧化铟锡（ITO）镀在玻璃表面形成ITO Glass，N型氧化物半导体-氧化铟锡（ITO）起到了抗电磁的作用。
但是，反射率减少4%后依然高达16%，抗电磁效应低于10Db,且不耐冲击。
由图2所示可知，又一种现有技术具有以下结构：防反射薄膜通过液态光学透明胶与偏光镜胶合，所述偏光镜的另一面通过液态光学透明胶与PET单向板胶合，所述PET单向板与ITO Glass设置于空气腔体的两侧，所述ITO Glass的背面镀有金属层和N型氧化物半导体-氧化铟锡（ITO），所述ITO Glass的背面与LCD显示模块设置于又一空气腔体的两侧。
采用此结构，由于防反射薄膜使得反射率减少4%，偏光镜的存在减少了8%的空气腔体反射率，且N型氧化物半导体-氧化铟锡（ITO）起到了抗电磁的作用，但是反射率依然高达8%，抗电磁效应在10Db以下，且不耐冲击。
由图3所示可知，本发明在LCD显示模块背面通过液态光学透明胶与1/4λ玻板胶合，所述1/4λ玻板的另一面通过液态光学透明胶与金属网格胶合，
利用N型氧化物半导体-氧化铟锡（ITO）镀于玻璃正面形成ITO Glass，所述金属网格是镀于ITO Glass背面的，所述ITO Glass的正面与PET单向板相对，且ITO Glass与PET单向板之间有空气腔体，所述PET单向板的另一面与偏光片叠加。
优选的，对于金属网格的形成为：在ITO Glass背面镀金属层，利用黄光微影技术来蚀刻，形成具有20 db以上的抗电磁辐射能力的金属网格。
优选的，利用黄光微影技术在所述ITO Glass正、反面蚀刻形成金属模、ITO模以及金属网格，线路精确度好良率高，且镀膜后再进行黄光蚀刻形成金属模、ITO模以及金属网格，其耐久性可以达到1000小时环测阻抗变化率不超过1.5%。
优选的，所述PET单向板为波长为1/4λ，所述PET单向板通过液态光学透明胶与偏振片胶合，所述PET单向板优选ATAC、日本帝人PC薄膜、JSR ARTON、Zeonor、PMMA、Glass材料。
所述偏光片可为圆形，利用真空镀膜技术镀抗反射膜于偏光片上，形成具有抗反射作用的偏光片，采用在偏光片上直接镀反射膜，使整体结构叠构程度的复杂性降低了4%；偏光片降低了8%的空气腔体反射率；利用偏光片与波长为1/4λ的PET单向板的叠加，减少了空气腔体的反射率，一般PET单向板具有光弹效应，通过金属网格可以完全解决偏光片之光弹效应产生的彩色条纹。
优选的，利用真空贴合技术胶合触控面板与显示器，彻底解决电阻式触控显示器阳光显示问题；并增加触控面板显示器耐冲击能力2.5倍。
上述实施例仅例示性说明本专利申请的原理及其功效，而非用于限制本专利申请。任何熟悉此技术的人士皆可在不违背本专利申请的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本专利申请所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本专利申请的权利要求所涵盖。

Claims (1)

1.一种触控显示器，其特征在于：在LCD显示模块背面依次层叠设置有：1/4λ玻板、ITOGlass、PET单向板以及偏光片，所述ITO Glass的正面与PET单向板相对，所述ITO Glass与PET单向板之间为空气腔体，所述ITO Glass的正面有ITO镀层，所述ITO Glass的背面有金属网格；
所述1/4λ玻板与LCD显示模块、金属网格之间通过液态光学透明胶胶合；
所述PET单向板为波长为1/4λ，所述PET单向板通过液态光学透明胶与偏振片胶合；
所述偏光片为抗反射型偏光片；
所述ITO Glass的正面有金属镀层。
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JP2003223850A (ja) * 2002-01-30 2003-08-08 Nippon Hoso Kyokai <Nhk> プラズマディスプレイパネルおよびその製造方法
TW200839348A (en) * 2007-03-29 2008-10-01 Pan Jit Internat Inc Touch-control transflective flat display apparatus and touch-control panel thereof having high visibility and electromagnetic interference resistance
TW200839360A (en) * 2007-03-28 2008-10-01 Pan Jit Internat Inc Thin-shaped touch-control panel having high visibility and reflection resistance
JP2010204480A (ja) * 2009-03-04 2010-09-16 Hayashi Telempu Co Ltd タッチパネル付き液晶表示装置
CN102279687A (zh) * 2010-06-08 2011-12-14 胜华科技股份有限公司 触控面板与其应用的触控式显示装置
CN206209232U (zh) * 2016-11-01 2017-05-31 无锡变格新材料科技有限公司 一种触控显示器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160071652A (ko) * 2014-12-12 2016-06-22 현대자동차주식회사 터치스크린 구조 및 제조방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003223850A (ja) * 2002-01-30 2003-08-08 Nippon Hoso Kyokai <Nhk> プラズマディスプレイパネルおよびその製造方法
TW200839360A (en) * 2007-03-28 2008-10-01 Pan Jit Internat Inc Thin-shaped touch-control panel having high visibility and reflection resistance
TW200839348A (en) * 2007-03-29 2008-10-01 Pan Jit Internat Inc Touch-control transflective flat display apparatus and touch-control panel thereof having high visibility and electromagnetic interference resistance
JP2010204480A (ja) * 2009-03-04 2010-09-16 Hayashi Telempu Co Ltd タッチパネル付き液晶表示装置
CN102279687A (zh) * 2010-06-08 2011-12-14 胜华科技股份有限公司 触控面板与其应用的触控式显示装置
CN206209232U (zh) * 2016-11-01 2017-05-31 无锡变格新材料科技有限公司 一种触控显示器

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