CN102750885A - 一种集成nfc天线的电泳显示器 - Google Patents

一种集成nfc天线的电泳显示器 Download PDF

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CN102750885A
CN102750885A CN2012102361522A CN201210236152A CN102750885A CN 102750885 A CN102750885 A CN 102750885A CN 2012102361522 A CN2012102361522 A CN 2012102361522A CN 201210236152 A CN201210236152 A CN 201210236152A CN 102750885 A CN102750885 A CN 102750885A
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nfc antenna
epd
display device
electrophoretic display
display screen
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CN102750885B (zh
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李建华
王东岳
毛航超
梁永超
李赣湘
陈学彬
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Xinli Industry (Shanwei) Co.,Ltd.
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Truly Industrial Shanwei Co Ltd
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Priority to US14/389,328 priority patent/US9356335B2/en
Priority to PCT/CN2013/071429 priority patent/WO2013149516A1/zh
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Abstract

本发明涉及近场通信技术，具体公开一种集成NFC天线的电泳显示器，该NFC天线设置于该电泳显示器的显示屏上，其中的NFC接口搭载该显示屏的输出线路，并连接到该显示屏的控制主板上。本发明将显示屏和NFC天线功能合二为一，其将NFC天线直接做在电泳显示器上，可避免NFC天线接口磨损、对位不准引起的信号质量变差，接收失灵问题。另外，为方便从显示器显示面接收NFC信号，或必须从显示器显示面接收NFC信号时提供解决方案。

Description

一种集成NFC天线的电泳显示器
本发明要求申请人信利半导体有限公司于2012年04月06日提出的申请号为“201220145136.8”、名称为“一种显示屏”的中国专利申请的优先权，其全部内容结合于本发明之中。
技术领域
本发明涉及近场通信技术领域，尤其涉及一种集成NFC天线的电泳显示器。
背景技术
NFC(Near Field Communication，近场通信)技术是今后电子产品的一种必备技术，市场庞大。现有NFC产品的天线主要是做在电池的某一面，或者贴在外壳的里面，采用的方式一般为在PCB(Printed Circuit Board，印刷电路板)或FPC(FlexiblePrinted Circuit，软性线路板)上，以金属走线做成线圈，然后将此含有线圈的PCB板或FPC贴在电池或者外壳上。其缺点主要有：电池与外壳经常反复拆装，这样就使得NFC天线的接线处容易磨损或者出现对位不准的问题，最终造成天线信号变差，影响NFC产品功能的使用。另外，NFC产品的天线，一般位于电子产品的外壳里面，如果选择金属材料做外壳，会影响NFC信号的传播，限制了电子产品外壳在选材时，选择坚固的金属材料。
例如，很多装配NFC天线和电泳显示器(EPD)的电子产品就存在上述问题。所谓电泳显示器，是基于悬浮在有色介质溶剂中的带电荷颜料微粒的电泳现象支撑的一种非发射性装置，其包括相对的、中间隔开的一对板状电机，两者之间的隔离物确定了两电极之间的距离。其中至少一个电极(通常是观察侧的电极)是透明的，当在两电极之间施加一个电压差时，颜料微粒因极性相反电极板的吸引而迁移。从观察侧看到的是颜料微粒颜色还是溶剂的颜色，由在电极上选择性施加的电压所决定。变换两电极板的极性正负，颜料微粒将迁移回相反的电极，则发生颜色逆转。介质(Intermediate)颜色深度(灰度等级，Shade Of Gray)由透明板侧颜色的浓度决定，这可以通过控制电极板的电压范围和脉冲时间来实现。
鉴于现装配有含NFC天线和电泳显示器的电子产品的NFC天线设置方式不尽合理，其接线处容易磨损或者对位不准，由此造成天线信号质量变差的问题。并且限制了电子产品的外壳选择范围，而生产电泳显示器过程中，具备集成NFC天线的能力，有必要设计一种新的集成了NFC天线的电泳显示器，以解决上述问题。
发明内容
有鉴于此，本发明目的在于提供一种集成NFC天线的电泳显示器，可防止天线接线处磨损或者对位不准，有利于保证天线信号的质量。另外，装配了上述的电泳显示器的电子产品，从显示面传递信号，在选择外壳选材时，不受NFC天线的限制。
为解决以上技术问题，本发明提供的技术方案是：一种集成NFC天线的电泳显示器，该NFC天线设置于该电泳显示器的显示屏上，其中的NFC接口搭载该显示屏的输出线路，并连接到该显示屏的控制主板上。
较优地，该电泳显示器依次包括保护膜层、电泳显示膜层及驱动板层；该NFC天线通过导电材料引出到该显示屏的驱动板的输出线路上。
较优地，该NFC天线设置于该显示屏的保护膜内侧面或外侧面上，并通过导电材料连接至该显示屏的驱动板的输出线路上。
较优地，该NFC天线设置于该显示屏的电泳显示膜上靠近驱动板的一侧表面或设置于该显示屏的电泳显示膜的四周边缘，并通过导电材料连接至该显示屏的驱动板的输出线路上。
较优地，该NFC天线通过导电材料，例如：导电银浆，连接至该显示屏的驱动板的输出线路上。较优地，该NFC天线设置于该显示屏的驱动板的外侧表面上，并在该NFC天线外设置保护层。
较优地，该驱动板为印刷电路板、柔性线路板、薄膜场效应晶体管陈列板、氧化铟锡玻璃或氧化铟锡塑料板。
较优地，该NFC天线为以导电材料走线方式制成的多匝线圈。
较优地，该NFC天线采用银、铜、铝或其他低电阻率材料走线。
较优地，该多匝线圈呈矩形绕制，或圆形绕制，或其它与电泳显示器产品外形相匹配的环形绕制。
在该多匝线圈偏显示器内部的一面覆盖一层透明的铁氧体材料。
与现有技术相比，本发明集成NFC天线的电泳显示器将NFC天线直接做在电泳显示器上，由于NFC接口是搭载显示屏的输出线路，其连接到控制主板上，安装后是固定不动的，不经常拆装，避免了现有技术中NFC天线由于接口磨损及对位不准引起的信号质量变差、接收失灵等问题。另外，为方便从显示器显示面接收NFC信号，或必须从显示器显示面接收NFC信号时提供解决方案。此外，装配了上述的电泳显示器的电子产品，从显示面传递信号，在选择外壳选材时，不受NFC天线的限制。
附图说明
图1a是本发明集成NFC天线的电泳显示器实施例一的中NFC天线在显示屏上的安装位置正视图；
图1b是本发明集成NFC天线的电泳显示器实施例一的NFC天线安装结构示意图；
图2是本发明集成NFC天线的电泳显示器实施例二的NFC天线安装结构示意图；
图3是本发明集成NFC天线的电泳显示器实施例三的NFC天线安装结构示意图；
图4是本发明集成NFC天线的电泳显示器实施例四的NFC天线安装结构示意图；
图5是本发明集成NFC天线的电泳显示器实施例五的NFC天线安装结构示意图。
图1a～图5中，有关附图标记为：
1、保护膜(层)；2、电泳显示膜(层)；3、驱动板(层)；4、封框胶；5、NFC天线；6、导电银浆；7、保护层。
具体实施方式
本发明的基本构思是，NFC天线设置于该电泳显示器的显示屏上，其中的NFC接口搭载该显示屏的输出线路，并连接到该显示屏的控制主板上。
为了使本领域的技术人员更好地理解本发明的技术方案，下面结合附图和具体实施例对本发明作进一步的详细说明。
实施例一
同时参见图1a、图1b，表示本发明集成NFC天线的电泳显示器实施例一的NFC天线安装结构。该集成NFC天线的电泳显示器的显示屏S包括保护膜(ProtectiveFilm)1、电泳显示膜(EPD Film)2及驱动板3，该驱动板3为PCB、FPC、薄膜场效应晶体管阵列(TFT Array)、氧化铟锡(ITO)玻璃或ITO塑料板之一，其中保护膜1与驱动板3之间的四周边缘以封框胶4(Glue)封装，形成容纳空间以填充电泳显示膜2；该NFC天线5设置于该驱动板3的外侧面上，并在该NFC天线5外设置保护层7。
NFC天线5设置于该显示屏的驱动板3的外侧上，具***置如图1b所示，在电泳显示器显示屏的驱动板3(PCB、FPC、TFT阵列、ITO玻璃、ITO塑料板等)上以金属材料(如银、铜、铝)或其它其他低电阻率材料(如碳)走线的方式，做成多匝线圈。该多匝线圈呈矩形绕制，或圆形绕制，或其它与显示器产品外形轮廓相匹配的环形绕制；其中在该多匝线圈偏显示器内部的一面加有(覆盖)一层透明的铁氧体材料，以增强磁场感应强度。这种走线方式，采用现有设备上就可以做到，不用新增投资。
此外，设有与该NFC天线5电连接的天线匹配电路(图未示出)，该天线匹配电路包括充放电模块和抗阻模块，该充放电模块与该抗阻模块相连，其中：该充放电模块为并联或串联的电容；该抗阻模块为并联或串联电阻。由此，通过设置天线匹配电路，实现NFC天线5的功率匹配。
实施例二
参见图2，表示本发明集成NFC天线的电泳显示器实施例二的NFC天线安装结构。该NFC天线5设置于该显示屏的保护膜1内侧面上，即位于保护膜1和电泳显示膜2之间，该NFC天线5电连接至该显示屏的驱动板3的输出线路上，具体是通过电泳显示膜一侧的导电银浆或其它导电材料6连接至该驱动板的输出线路3上。其它结构与实施例一相同，不再赘述。
实施例三
参见图3，表示本发明集成NFC天线的电泳显示器实施例三的NFC天线安装结构。该NFC天线5设置于该显示屏的保护膜1的外侧面上，在该NFC天线5外设置保护层7，并通过导电银浆6连接至该驱动板3的输出线路上。其它结构与实施例一、二相同，不再赘述。
实施例四
参见图4，表示本发明集成NFC天线的电泳显示器实施例四的NFC天线安装结构。该实施例四中，NFC天线5设置于该显示屏的电泳显示膜2的上靠近驱动板的一侧表面，该NFC天线5直接连接至该显示屏的驱动板的输出线路3上(无需导电银浆6或其它材料)，其它结构与实施例一相同，不再赘述。
实施例五
参见图5，表示本发明集成NFC天线的电泳显示器实施例五的NFC天线安装结构。该实施例五中，NFC天线5设置于该显示屏的电泳显示膜2的四周边缘，该NFC天线5通过导电材料连接至该显示屏的驱动板3的输出线路上，其它结构与实施例四相同，不再赘述。
本发明的以上实施例将NFC天线5直接做在电泳显示器上，其NFC接口是搭载显示屏的输出线路，连接到控制主板(图未示出)上，安装后是固定不动，不经常拆装，避免了现有技术中NFC天线由于接口磨损及对位不准引起的信号接收失灵等问题。另外，为方便从显示器显示面接收NFC信号，或必须从显示器显示面接收NFC信号时提供解决方案。此外，装配了上述的电泳显示器的电子产品，从显示面传递信号，在选择外壳选材时，不受NFC天线的限制。
本发明这种集成了NFC天线的电泳显示器，将显示屏和NFC天线功能合二为一，在市场上更有竞争力。
以上仅是本发明的优选实施方式，应当指出的是，上述优选实施方式不应视为对本发明的限制，本发明的保护范围应当以权利要求所限定的范围为准。对于本技术领域的普通技术人员来说，在不脱离本发明的精神和范围内，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (10)

1.一种集成NFC天线的电泳显示器，其特征在于，该NFC天线设置于该电泳显示器的显示屏上，其中的NFC接口搭载该显示屏的输出线路，并连接到该显示屏的控制主板上。
2.如权利要求1所述的集成NFC天线的电泳显示器，其特征在于，该电泳显示器依次包括保护膜层、电泳显示膜层及驱动板层；该NFC天线通过导电材料引出到该显示屏的驱动板的输出线路上。
3.如权利要求2所述的集成NFC天线的电泳显示器，其特征在于，该NFC天线设置于该显示屏的保护膜内侧面或外侧面上，并通过导电材料连接至该显示屏的驱动板的输出线路上。
4.如权利要求2所述的集成NFC天线的电泳显示器，其特征在于，该NFC天线设置于该显示屏的电泳显示膜上靠近驱动板的一侧表面或设置于该显示屏的电泳显示膜的四周边缘，并通过导电材料连接至该显示屏的驱动板的输出线路上。
5.如权利要求3或4所述的集成NFC天线的电泳显示器，其特征在于，该NFC天线通过导电银浆连接至该显示屏的驱动板的输出线路上。
6.如权利要求2所述的集成NFC天线的电泳显示器，其特征在于，该NFC天线设置于该显示屏的驱动板的外侧表面上，并在该NFC天线外设置保护层。
7.如权利要求2所述的集成NFC天线的电泳显示器，其特征在于，该驱动板为印刷电路板、柔性线路板、薄膜场效应晶体管阵列、氧化铟锡玻璃或氧化铟锡塑料板。
8.如权利要求1所述的集成NFC天线的电泳显示器，其特征在于，该NFC天线为以导电材料走线方式制成的多匝线圈。
9.如权利要求8所述的集成NFC天线的电泳显示器，其特征在于，该多匝线圈呈与电泳显示器产品外轮廓线相匹配的环形绕制。
10.如权利要求8～9任一项所述的集成NFC天线的电泳显示器，其特征在于，在该多匝线圈偏显示器内部的一面覆盖一层透明的铁氧体材料。
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