CN105931717A - 一种柔性扁平电缆 - Google Patents

一种柔性扁平电缆 Download PDF

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Publication number
CN105931717A
CN105931717A CN201610405878.2A CN201610405878A CN105931717A CN 105931717 A CN105931717 A CN 105931717A CN 201610405878 A CN201610405878 A CN 201610405878A CN 105931717 A CN105931717 A CN 105931717A
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flat cable
flexible flat
liner
shape
ffc
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CN105931717B (zh
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黄笑宇
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to CN201610405878.2A priority Critical patent/CN105931717B/zh
Priority to PCT/CN2016/090615 priority patent/WO2017210965A1/zh
Priority to US15/301,331 priority patent/US10319498B2/en
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    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
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    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
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Abstract

本发明提供一种柔性扁平电缆。所述柔性扁平电缆包括：第一柔性扁平电缆和第二柔性扁平电缆，其中：第一柔性扁平电缆的一侧与第一端子连接；第一柔性扁平电缆的另一侧设置有多个第一衬垫；第二柔性扁平电缆的一侧与第二端子连接；第二柔性扁平电缆的另一侧设置有与所述多个第一衬垫一一对应地连接的多个第二衬垫。根据本发明的示例实施例的柔性扁平电缆能够增强柔性扁平电缆的通用性、复用性和可修复性。

Description

一种柔性扁平电缆
技术领域
本发明涉及数据传输线缆的技术领域，更具体地，涉及一种柔性扁平电缆。
背景技术
FFC(Flexible Flat Cable，柔性扁平电缆)由于其具有任意选择导线数目及间距、连接方便性、成本低等优点，而广泛用于各种硬件装置之间以及移动装置与主板之间、印刷电路板(PCB)与PCB板之间的连接，以进行各种数据和信号的传输。
TFT-LCD(Thin Film Transistor Liquid Crystal Display，薄膜晶体管液晶显示器)是目前平板显示的主要产品之一，已成为了现代信息技术(IT)、视讯产品中的重要显示平台。TFT-LCD的主要驱动过程是：R/G/B压缩信号、控制信号及电力从系统主板发送到C-Board(Control Board，控制板)，并且使用C-board上的TCON(Timing Controller，时序控制器)芯片对其进行处理，通过FFC传输至PCB1和PCB2，经过再次相关处理后，通过S-COF(Source-Chip on Film，源极驱动芯片)和G-COF(Gate-Chip on Film，栅极驱动芯片)发送到显示区域，从而使LCD获得所需的电源和各种信号。在TFT-LCD的驱动过程中，通过在电源和各种信号的传输中采用FFC来实现薄型化、高可靠性以及方便性连接。
图1示出传统的FFC结构图。传统的FFC包括基材以及位于基材两侧的端子1和端子2。在不导电的基材中包括多根导电金属线。导电金属线的两端的接脚(Pin)与端子1和端子2相应地连接。端子1和端子2分别与两个连接器(Connector)连接，以实现两个连接器所连接到的硬件(例如，两个PCB板)之间的信号、数据等的传输。
其中，端子1和端子2的形状必须与相应的连接器的结构匹配，无论端子1和端子2的哪一个与相应的连接器的结构不匹配时，均需要更换整个FFC。另一方面，端子在与连接器连接时通常需要依靠外力或硬力，通过卡合，来进行机构连接，如此多次使用后，对于端子的磨损较大，容易损坏，即使只有一个端子损坏，也需要更换整个FFC，造成FFC的浪费。
发明内容
针对上述提出的传统柔性扁平电缆在使用过程中的缺陷，本发明提供一种柔性扁平电缆，包括：第一柔性扁平电缆和第二柔性扁平电缆，其中：第一柔性扁平电缆的一侧与第一端子连接；第一柔性扁平电缆的另一侧设置有多个第一衬垫；第二柔性扁平电缆的一侧与第二端子连接；第二柔性扁平电缆的另一侧设置有与所述多个第一衬垫一一对应地连接的多个第二衬垫。
第一柔性扁平电缆可包括用于布置所述多个第一衬垫中的第一类型衬垫的第一部分，第二柔性扁平电缆可包括用于布置所述多个第二衬垫中的第二类型衬垫的第二部分，第一部分的形状和第二部分的形状互补。
第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯齿形状，第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补；第一部分是锯齿形状的凸出部分，第二部分是锯齿形状的凹入部分。
第一柔性扁平电缆可包括用于布置所述多个第一衬垫中的第二类型衬垫的第三部分，第二柔性扁平电缆可包括用于布置所述多个第二衬垫中的第一类型衬垫的第四部分，第三部分的形状和第四部分的形状互补。
第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯 齿形状，第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补；第三部分是锯齿形状的凹入部分，第四部分是锯齿形状的凸出部分。
第一类型衬垫可以是被布置在所述柔性扁平电缆的背面上的衬垫，第二类型衬垫可以是被布置在所述柔性扁平电缆的正面上的衬垫。
第一柔性扁平电缆可包括多条第一导线，每条第一导线连接到一个第一衬垫；第二柔性扁平电缆可包括多条第二导线，每条第二导线连接到一个第二衬垫。
第一衬垫与第二衬垫之间的连接是可拆卸的连接。可选地，第一衬垫和第二衬垫可通过导电胶连接。
根据本发明的示例实施例的柔性扁平电缆仅需要根据连接器的结构和端子的损坏情况来适应性地更换第一柔性扁平电缆和/或第二柔性扁平电缆，而不是更换整个柔性扁平电缆，从而增强柔性扁平电缆的通用性、复用性和可修复性。
附图说明
通过参照附图详细地描述示例实施例，示例实施例的以上以及其他特征和优点将会变得更加清楚。贯穿附图相同的参考标号表示相同的结构和元件，并且附图可不按比例绘制，其中：
图1示出传统的FFC结构图；
图2示出根据实施例的FFC结构的整体示图；
图3A示出根据实施例的FFC结构的A部分的俯视图；
图3B示出根据实施例的FFC结构的B部分的俯视图；
图4A示出根据实施例的FFC结构的A部分的底视图；
图4B示出根据实施例的FFC结构的B部分的底视图；
图5示出根据另一实施例的FFC结构的A部分和B部分的俯视图；
图6示出根据另一实施例的FFC结构的A部分和B部分的俯视图。
具体实施方式
在此公开本发明构思的详细的示例实施例。然而，为了描述示例实施例的目的，在此公开的特定结构和功能的细节仅是代表性的。然而，可以以许多替换形式来实现示例实施例，并且示例实施例不应被解释为仅限于在此阐述的实施例。
针对如图1所述的传统FFC结构的使用缺陷，本发明涉及一种能够提高FFC的通用性和复用性的FFC。
图2示出本发明的FFC结构的整体示图。如图2所示，本发明的FFC包括第一柔性扁平电缆(以下称为A部分)和第二柔性扁平电缆(以下称为B部分)。A部分的一侧与第一端子连接，另一侧设置有多个第一衬垫。B部分的一侧与第二端子连接，另一侧设置有与多个第一衬垫一一对应地连接的多个第二衬垫。下面将参照图3A至图4B来详细地描述A部分和B部分。
图3A和图4A分别示出本发明的FFC结构的A部分的俯视图和底视图。参照图3A和图4A，FFC的A部分被构造为锯齿形状，在锯齿形状的凸出部分和凹入部分上分别布置有第一衬垫(Pad)。在A部分中，锯齿形状的凸出部分可被称为第一部分，锯齿形状的凹入部分可被称为第三部分。各个第一衬垫可以是与基材内部的导电金属线相连的导电贴片。
如果以6Pin的FFC(即，FFC的Pin的数目是6)为例，则FFC的A部分包括6个第一衬垫：FFC Pad1-1至FFC Pad1-6。在该示例中，FFC Pad1-1可位于第一部分(锯齿形状的凸出部分)的背面，FFC Pad1-2可位于第三部分(锯齿形状的凹入部分)的正面，如此交错设置FFC Pad1-3至FFC Pad1-6。
图3B和图4B分别示出与上述的FFC的A部分成互补结构的B部分的俯视图和底视图。参照图3B和图4B，B部分被构造为与A部分互补的锯齿形状，在互补的锯齿形状的凸出部分和凹入部分上分别布置有第二衬垫。在B部分中，锯齿形状的凹入部分可被称为第二部分，锯齿形状的凸出部分可被称为第四部分。与A部分相对应地，B部分包括6个第二衬垫。当如图2所示，A部分的FFC Pad1-1位于第一部分(锯齿形状的凸出部分)的背面时，B部分的6个第二衬垫中的FFC Pad2-6设置在第二部分(锯齿形状的凹入部分)的正面，从而B部分的FFC Pad2-6和A部分的FFC Pad1-1能够有效连接。当如图2所示，A部分的FFC Pad1-2可位于第三部分(锯齿形状的凹入部分)的正面时，B部分的FFC Pad2-5设置在第四部分(锯齿形状的凸出部分)的背面，从而B部分的FFC Pad2-5和A部分的FFC Pad1-2能够有效连接。按照这样的方法，依次分别连接A部分的FFC Pad1-3至FFC Pad1-6和B部分的FFC Pad2-4至FFC Pad2-1。
此外，为了描述的简洁，布置在FFC的A部分或B部分的背面上的衬垫也可被称为第一类型衬垫，布置在FFC的A部分或B部分的正面上的衬垫也可被称为第二类型衬垫。在此，术语“正面”和“背面”仅指示FFC的两个不同的面。术语“第一”、“第二”、“第三”、“第四”仅为了区分不同的部分。
根据示例实施例，布置在第一部分上的第一类型衬垫与布置在第二部分上的第二类型衬垫可一一对应连接，布置在第三部分上的第二类型衬垫与布置在第四部分上的第一类型衬垫可一一对应连接。所述对应连接可以是可拆卸的导电连接，并且连接后与外部绝缘，例如，可采用导电胶来连接对应的两个Pad。
图5和图6分别示出被构造为不同的互补形状的A部分和B部分的示例实施例的示图。
如图5所示，A部分的结构为凸出的锯齿形状和凹入的锯齿形状，B部分的 结构相应地构造为与A部分的结构互补。其中，A部分中的凸出的数目与凹入的数目可任意设置，并且二者之和为FFC的Pin数。
图6示出FFC的A部分全部构造为凸出的结构，而B部分全部构造为相应的凹入的结构。
上述示例示出A部分和B部分被设计为锯齿形状来进行连接，然而本发明构思不限于此，根据本发明的示例实施例，A部分和B部分可被设计为任意互补且便于拆卸连接的各种结构，例如，A部分和B部分还可以是互补的插针结构。类似于示例实施例的互补结构可以防止A部分和B部分在使用过程中断裂而导致信息传输中断。可拆卸的连接可增强FFC的通用性、复用性和可修复性。例如，在FFC的使用过程中，如果图2、图5或图6中的端子1损坏，则不需要对整根FFC进行替换，仅需要用新的A部分进行替换；如果发生FFC其中一端的端子与现有产品的连接器结构不匹配，仅需要替换掉其中一部分，而不需要将整个FFC重新设计。
以上已经描述了示例实施例，然而本发明构思的示例实施例不限于此。将显而易见的是可以以多种方式改变和实现示例实施例。这样的改变不被认为是脱离示例实施例的意图的精神和范围，并且将对本领域技术人员显而易见的是全部这样的修改意在被包括在以下的权利要求范围内。

Claims (9)

1.一种柔性扁平电缆，包括：第一柔性扁平电缆和第二柔性扁平电缆，其中：
第一柔性扁平电缆的一侧与第一端子连接；
第一柔性扁平电缆的另一侧设置有多个第一衬垫；
第二柔性扁平电缆的一侧与第二端子连接；
第二柔性扁平电缆的另一侧设置有与所述多个第一衬垫一一对应地连接的多个第二衬垫。
2.如权利要求1所述的柔性扁平电缆，其中，第一柔性扁平电缆包括用于布置所述多个第一衬垫中的第一类型衬垫的第一部分，第二柔性扁平电缆包括用于布置所述多个第二衬垫中的第二类型衬垫的第二部分，第一部分的形状和第二部分的形状互补。
3.如权利要求2所述的柔性扁平电缆，其中，第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯齿形状，第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补；第一部分是第一柔性扁平电缆的锯齿形状的凸出部分，第二部分是第二柔性扁平电缆的锯齿形状的凹入部分。
4.如权利要求1或2所述的柔性扁平电缆，其中，第一柔性扁平电缆包括用于布置所述多个第一衬垫中的第二类型衬垫的第三部分，第二柔性扁平电缆包括用于布置所述多个第二衬垫中的第一类型衬垫的第四部分，第三部分的形状和第四部分的形状互补。
5.如权利要求4所述的柔性扁平电缆，其中，第一柔性扁平电缆的所述另一侧和第二柔性扁平电缆的所述另一侧均呈锯齿形状，第一柔性扁平电缆的所述另一侧的形状和第二柔性扁平电缆的所述另一侧的形状互补；第三部分是第一柔性扁平电缆的锯齿形状的凹入部分，第四部分是第二柔性扁平电缆的锯齿形状的凸出部分。
6.如权利要求4所述的柔性扁平电缆，其中，第一类型衬垫是被布置在所述柔性扁平电缆的背面上的衬垫，第二类型衬垫是被布置在所述柔性扁平电缆的正面上的衬垫。
7.如权利要求1所述的柔性扁平电缆，其中，第一柔性扁平电缆包括多条第一导线，每条第一导线连接到一个第一衬垫；第二柔性扁平电缆包括多条第二导线，每条第二导线连接到一个第二衬垫。
8.如权利要求1所述的柔性扁平电缆，其中，第一衬垫与第二衬垫之间的连接是可拆卸的连接。
9.如权利要求6所述的柔性扁平电缆，其中，第一衬垫和第二衬垫通过导电胶连接。
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