WO2017113798A1 - 柔性电路板走线结构及移动终端 - Google Patents

柔性电路板走线结构及移动终端 Download PDF

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Publication number
WO2017113798A1
WO2017113798A1 PCT/CN2016/093914 CN2016093914W WO2017113798A1 WO 2017113798 A1 WO2017113798 A1 WO 2017113798A1 CN 2016093914 W CN2016093914 W CN 2016093914W WO 2017113798 A1 WO2017113798 A1 WO 2017113798A1
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WO
WIPO (PCT)
Prior art keywords
trace
signal line
circuit board
flexible circuit
area
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Application number
PCT/CN2016/093914
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English (en)
French (fr)
Inventor
陈艳
Original Assignee
广东欧珀移动通信有限公司
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Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to EP16880593.5A priority Critical patent/EP3399848A4/en
Publication of WO2017113798A1 publication Critical patent/WO2017113798A1/zh
Priority to US15/993,635 priority patent/US20180279464A1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0237—High frequency adaptations
    • H05K1/025—Impedance arrangements, e.g. impedance matching, reduction of parasitic impedance
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0296—Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
    • H05K1/0219—Printed shielding conductors for shielding around or between signal conductors, e.g. coplanar or coaxial printed shielding conductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0237—High frequency adaptations
    • H05K1/0245—Lay-out of balanced signal pairs, e.g. differential lines or twisted lines
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0277—Bendability or stretchability details
    • H05K1/028—Bending or folding regions of flexible printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0393—Flexible materials
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09218—Conductive traces
    • H05K2201/09227—Layout details of a plurality of traces, e.g. escape layout for Ball Grid Array [BGA] mounting
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09218—Conductive traces
    • H05K2201/09236—Parallel layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09218—Conductive traces
    • H05K2201/09263—Meander
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/0929—Conductive planes
    • H05K2201/09336—Signal conductors in same plane as power plane

Definitions

  • the present invention relates to electrical connection technologies, and in particular, to a flexible circuit board and a mobile terminal.
  • Flexible Printed Circuit adopts multi-layer board design in order to meet the wiring requirements, and the wiring design of the multi-layer board is generally corresponding to the next layer where the signal line is located in order to ensure the continuity of the signal impedance.
  • a trace is placed at the position of the signal line, and the trace on the layer is used as a reference loop. Since the user's thickness requirement for the mobile mobile terminal is getting thinner and thinner, if the flexible circuit board still adopts the design of the multi-layer board, since the thickness of the multi-layer board is large, the space occupied is large, which is not conducive to mobile movement.
  • the terminal thinning design reduces the user experience.
  • the technical problem to be solved by the embodiments of the present invention is to provide a flexible circuit board routing structure and a mobile terminal that adopt a single-layer board design and satisfy the impedance continuous on the single-layer board.
  • the present invention provides a flexible circuit board routing structure including a flexible circuit board body, the flexible circuit board body being a single layer board, including a substrate layer, and a signal disposed on the substrate layer a first line and a second line on both sides of the line, the first line and the second line, the first line and the second line are respectively disposed on the line And a distance between the first trace and the signal line and a distance from the second trace to the signal line.
  • the present invention further provides a mobile terminal, the mobile terminal includes a flexible circuit board routing structure, the flexible circuit board routing structure includes a flexible circuit board body, and the flexible circuit board body is a single layer board.
  • the substrate layer includes a signal line disposed on the substrate layer, and the first trace is And a second trace, the signal line includes a first trace area and a second trace area on both sides thereof, and the first trace and the second trace are respectively disposed in the first trace area and And a distance from the first trace to the signal line and a distance from the second trace to the signal line are equal.
  • the flexible circuit board routing structure provided by the present invention provides a flexible circuit board body as a single layer board, and then sets a signal line on the substrate of the flexible circuit board body, and is in the first routing area of the signal line and the second routing line.
  • the first trace and the second trace are respectively disposed on the area, and the first trace and the second trace are symmetrically arranged with respect to the signal line to ensure the distance between the first trace and the signal line and the second trace to the signal line The distance is equal. Since the flexible circuit board body is a single-layer board, the ground lines on both sides of the signal line are respectively used for routing as a reference loop of the signal line.
  • the distance between the first trace and the second trace to the signal line is controlled to be equal, so that the impedance environment of the signal line on both sides thereof can be kept consistent, so impedance continuity can be achieved.
  • the problem of signal impedance continuity on the single-layer board is solved, so that when the flexible circuit board routing structure is applied to the mobile terminal, the space occupied by the mobile terminal can be reduced, and the movement is reduced.
  • the overall thickness of the terminal improves the user experience.
  • FIG. 1 is a schematic structural view of a flexible circuit board trace structure according to a first embodiment of the present invention
  • Figure 2 is a schematic view showing the structure of another view of Figure 1;
  • FIG. 3 is a structural block diagram of a mobile terminal according to an embodiment of the present invention.
  • the trace shape of the first trace and the second trace are consistent with the signal line.
  • the signal line, the first trace, and the second trace are both straight lines or serpentine lines, and the first traces and the second traces are respectively disposed in parallel with the signal lines.
  • the distance between the first trace and the second trace to the signal line is greater than or equal to twice the line width of the signal line.
  • the line width of the first trace and the second trace is greater than or equal to three times the line width of the signal line.
  • the area of the first routing area and the second routing area are equal in size.
  • the signal line is a single-ended signal line or a differential signal line.
  • the signal line further includes a third routing area and a fourth routing area, where the third routing area and the fourth routing area are respectively located in the first routing area and the second routing area.
  • the flexible circuit board body further includes a third trace and a fourth trace, which are respectively disposed on the third trace area and the fourth trace area.
  • the third trace and the fourth trace are straight traces or serpentine traces.
  • a mobile terminal wherein the mobile terminal includes a flexible circuit board routing structure, the flexible circuit board routing structure includes a flexible circuit board body, the flexible circuit board body is a single layer board, including a substrate layer, and a signal line, a first trace, and a second trace disposed on the substrate layer, the signal line including a first trace area and a second trace area on both sides thereof, the first trace And the second traces are respectively disposed on the first trace area and the second trace area, and the distance from the first trace to the signal line and the second trace to the signal line The distance is equal.
  • the trace shape of the first trace and the second trace are consistent with the signal line.
  • the signal line, the first trace, and the second trace are both straight lines or serpentine lines, and the first traces and the second traces are respectively disposed in parallel with the signal lines.
  • the distance between the first trace and the second trace to the signal line is greater than or equal to the The line width is twice the line width.
  • the line width of the first trace and the second trace is greater than or equal to three times the line width of the signal line.
  • the signal line is a single-ended signal line or a differential signal line.
  • the third trace and the fourth trace are straight traces or serpentine traces.
  • the mobile terminal is an intelligent mobile terminal including a mobile phone, a computer, a tablet, a handheld game console, and a media player.
  • a mobile terminal 1 includes a main body 110, a main board 120 disposed inside the main body 110, and a flexible circuit board routing structure 130.
  • the flexible circuit board routing structure 130 is disposed inside the body 110 and electrically connected to the main board 120.
  • the mobile terminal 1 can be a smart mobile terminal such as a mobile phone, a computer, a tablet, a handheld game console or a media player.
  • the mobile terminal 1 is used as a mobile phone as an example for description.
  • the flexible circuit board routing structure 130 includes a flexible circuit board body 100, and the flexible circuit board body 100 is a single layer board including a substrate layer 10, and a signal line 20 disposed on the substrate layer 10.
  • the signal line 20 includes a first trace area 21 and a second trace area 22 on both sides thereof.
  • the first trace 30 and the second trace 40 are respectively disposed on the first trace area 21 and the second trace area 22, and the distance between the first trace 30 and the signal line 20 is The distance from the second trace 40 to the signal line 20 is equal.
  • the flexible circuit board routing structure 130 is provided by the embodiment of the present invention.
  • the flexible circuit board body 100 is provided as a single layer board, and the first part is disposed on both sides of the signal line 20 of the flexible circuit board body 100.
  • a trace 30 and a second trace 40, and the first trace 30 to the The distance between the signal line 20 and the distance from the second line 40 to the signal line 20 are equal, so that the signal impedance environment of the signal line 20 can be kept consistent, which is advantageous for ensuring the impedance continuity of the signal line 20.
  • the flexible circuit board body 100 can be satisfied.
  • the impedance environment requirement for a single-layer board ensures signal impedance continuity on a single-layer board.
  • the flexible circuit board body 100 is a single-layer board, and the flexible circuit board body 100 includes the base material layer 10 and a copper foil layer (the copper foil layer is omitted in the drawing), and the signal line 20 The first trace 30 and the second trace 40 are both disposed on the copper foil layer.
  • the signal line 20 can be a single-ended signal line or a differential signal line, so that the flexible circuit board routing structure 130 can meet different signal transmission requirements.
  • the signal line 20 can be selected as a differential signal line.
  • the signal line 20 can be selected as a single-ended signal line.
  • the signal line 20 is a straight line or a serpentine line to enable the signal line 20 to meet signal requirements of different timings.
  • the signal line 20 can be selected to be a serpentine line.
  • the first routing area 21 and the second routing area 22 are respectively disposed on opposite sides of the signal line 20 .
  • the first routing area 21 and the second routing area 22 have the same size, so that the impedance environment on both sides of the signal line 20 is consistent.
  • the area of the first trace area 21 and the second trace area 22 are both greater than twice the line width of the signal line 20, so that the first trace 30 and the second trace 40 are in the When disposed on the first trace area 21 and the second trace area 22, the signal line 20 can be closer to the signal line 20, thereby facilitating coupling with the signal line 20 to meet the signal line 20. Line signal impedance requirements.
  • the first routing area 21 and the second routing area 22 The area may also be adjusted according to the actual wiring condition of the flexible circuit board body 100.
  • the signal line 20 further includes a third routing area 23 and a fourth routing area 24, wherein the third routing area 23 and the fourth routing area 24 are respectively located in the first routing area 21 and One side of the second routing area 22.
  • the flexible circuit board body further includes a third trace 50 and a fourth trace 60 disposed on the third trace region 23 and the fourth trace region 24, respectively.
  • the third trace area 23 and the fourth trace area 24 are respectively used to arrange other signal traces, such as clock signal lines or other traces.
  • the third trace 50 and the fourth trace 60 may also be straight traces or serpentine traces, which are selected according to actual wiring requirements and need not be consistent with the signal line 20.
  • the trace shape of the first trace 30 and the second trace 40 is consistent with the signal line 20, and the first trace 30 and the second trace 40 are respectively disposed in parallel with the signal line 20.
  • the signal line 20 is a straight line
  • the first line 30 and the second line 40 are also straight lines.
  • the signal line 20 is a serpentine trace
  • the first trace 30 and the second trace 40 are correspondingly serpentine traces.
  • the lines 20 are arranged in parallel, so that the first traces 30 and the second traces 40 can be used as a reference loop of the signal lines 20, and the distance between the first traces 30 and the signal lines 20 is ensured.
  • the distance between the second trace 40 and the signal line 20 is equal, so that the signal environment on both sides of the signal line 20 can be kept consistent, so that the impedance signal of the signal line 20 remains continuous. That is, it is ensured that the impedance value of the signal line 20 with respect to the first trace 30 is equal to the impedance value of the signal line 20 with respect to the second trace 40.
  • the distance between the first trace 30 and the second trace 40 from the signal line 20 is greater than or equal to twice the line width of the signal line 20, so that the signal coupling condition of the signal line 20 can be satisfied.
  • the line width of the first trace 30 and the second trace 40 is greater than or equal to three times the line width of the signal line 20, so that the signal line 20 and the first trace can be further strengthened.
  • the signal coupling strength of 30 and the second trace 40 ensures that the signal line 20 has sufficient reference loop. It can be understood that, in the specific wiring design, the distance requirement between the signal line 20 and the first trace 30 and the second trace 40 can be calculated by the impedance simulation software, thereby further facilitating the impedance control. Thereby improving the signal transmission quality of the flexible circuit board routing structure.
  • the flexible circuit board routing structure provided by the present invention provides a flexible circuit board body as a single layer board, and then sets a signal line on the substrate of the flexible circuit board body, and is in the first routing area of the signal line and the second routing line.
  • the first trace and the second trace are respectively disposed on the area, and the first trace and the second trace are symmetrically arranged with respect to the signal line to ensure the distance between the first trace and the signal line and the second trace to the signal line The distance is equal. Since the flexible circuit board body is a single-layer board, the ground lines on both sides of the signal line are respectively used for routing as a reference loop of the signal line.
  • the distance between the first trace and the second trace to the signal line is controlled to be equal, so that the impedance environment of the signal line on both sides thereof can be kept consistent, so impedance continuity can be achieved.
  • the problem of signal impedance continuity on the single-layer board is solved, so that when the flexible circuit board routing structure is applied to the mobile terminal, the occupied space in the mobile terminal can be reduced, which is beneficial to reduce The overall thickness of the mobile terminal improves the user experience.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Structure Of Printed Boards (AREA)

Abstract

一种柔性电路板走线结构(130)及移动终端(1)，柔性电路板走线结构(130)包括柔性电路板本体(100)。柔性电路板本体(100)为单层板，包括基材层(10)及设于基材层(10)上的信号线(20)、第一走线(30)及第二走线(40)，信号线(20)包括位于其两侧的第一走线区域(21)及第二走线区域(22)，第一及第二走线分别设于第一及第二走线区域上，第一走线(30)至信号线(20)的距离与第二走线(40)至信号线(20)的距离相等。利用信号线(20)两侧的地网络分别走线以作为信号线(20)的参考回路。控制第一及第二走线分别至信号线(20)的距离相等，使信号线(20)在其两侧上的阻抗环境一致，实现阻抗连续性。解决单层板上信号阻抗连续性问题。

Description

柔性电路板走线结构及移动终端 技术领域
本发明涉及电连接技术，尤其涉及一种柔性电路板及移动终端。
背景技术
目前，柔性电路板(Flexible Printed Circuit FPC)为了满足布线需求，多采用多层板设计，而多层板的走线设计为了保证信号阻抗的连续性，通常在信号线所在的下一层正对应信号线的位置上设置走线，利用该层上的走线作为参考回路。而由于用户对于移动移动终端的厚度需求越来越薄，因此，若是柔性电路板依然采用多层板的设计，那么由于多层板的厚度较大，故而占用的空间较多，不利于移动移动终端减薄设计，降低了用户体验。
而在单层柔性电路板上布线时，由于柔性电路板为单层板，故而无法在信号线的下一层对应位置上走线，无法满足信号线走线的阻抗连接性要求。
因此，急需设计一种采用单层柔性电路板，并满足单层柔性电路板阻抗连续性的柔性电路板走线结构。
发明内容
本发明实施例所要解决的技术问题在于，提供一种采用单层板设计，并满足单层板上的阻抗连续的柔性电路板走线结构及移动终端。
为了实现上述目的，本发明实施方式提供如下技术方案：
第一方面，本发明提供一种柔性电路板走线结构，其包括柔性电路板本体，所述柔性电路板本体为单层板，包括基材层、以及设于所述基材层上的信号线、第一走线以及第二走线，所述信号线包括位于其两侧的第一走线区域以及第二走线区域，所述第一走线以及第二走线分别设于所述第一走线区域以及第二走线区域上，并且所述第一走线至所述信号线的距离与所述第二走线至所述信号线的距离相等。
第二方面，本发明还提供一种移动终端，所述移动终端包括柔性电路板走线结构，所述柔性电路板走线结构包括柔性电路板本体，所述柔性电路板本体为单层板，包括基材层、以及设于所述基材层上的信号线、第一走线以 及第二走线，所述信号线包括位于其两侧的第一走线区域以及第二走线区域，所述第一走线以及第二走线分别设于所述第一走线区域以及第二走线区域上，并且所述第一走线至所述信号线的距离与所述第二走线至所述信号线的距离相等。
本发明提供的柔性电路板走线结构通过设置柔性电路板本体为单层板，然后在柔性电路板本体的基材上设置信号线，并在信号线的第一走线区域以及第二走线区域上分别设置第一走线以及第二走线，并使得第一走线以及第二走线相对信号线对称设置，以保证第一走线至信号线的距离与第二走线至信号线的距离相等。由于该柔性电路板本体为单层板，故而利用信号线两侧的地网络分别进行走线，以作为信号线的参考回路。然后控制第一走线以及第二走线分别至信号线的距离相等，从而能够使得信号线在其两侧上的阻抗环境保持一致，故而能够实现阻抗连续性。采用这种方式，解决了单层板上的信号阻抗连续性问题，使得当将该柔性电路板走线结构应用于移动终端中时，能够减少其在移动终端中的占用空间，有利于减少移动终端的整体厚度，提高了用户体验。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明第一实施例提供的柔性电路板走线结构的结构示意图；
图2是图1的另一视角的结构示意图；
图3是本发明一实施例提供的移动终端的结构框图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅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。
一种柔性电路板走线结构，包括柔性电路板本体，所述柔性电路板本体为单层板，包括基材层、以及设于所述基材层上的信号线、第一走线以及第二走线，所述信号线包括位于其两侧的第一走线区域以及第二走线区域，所述第一走线以及第二走线分别设于所述第一走线区域以及第二走线区域上，并且所述第一走线至所述信号线的距离与所述第二走线至所述信号线的距离相等。
其中，所述第一走线以及第二走线的走线形状与所述信号线一致。
其中，所述信号线、第一走线以及第二走线均为直线或者蛇形线，并且所述第一走线以及第二走线分别与所述信号线平行设置。
其中，所述第一走线以及第二走线至所述信号线的距离大于或等于所述信号线的两倍线宽。
其中，所述第一走线以及第二走线的线宽大于或等于所述信号线的三倍线宽。
其中，所述第一走线区域以及第二走线区域的面积大小相等。
其中，所述信号线为单端信号线或者差分信号线。
其中，所述信号线还包括第三走线区域以及第四走线区域，所述第三走线区域以及第四走线区域分别位于所述第一走线区域以及第二走线区域的一侧，所述柔性电路板本体还包括第三走线以及第四走线，分别设于所述第三走线区域以及第四走线区域上。
其中，所述第三走线以及第四走线为直线走线或蛇形走线。
一种移动终端，其中，所述移动终端包括柔性电路板走线结构，所述柔性电路板走线结构包括柔性电路板本体，所述柔性电路板本体为单层板，包括基材层、以及设于所述基材层上的信号线、第一走线以及第二走线，所述信号线包括位于其两侧的第一走线区域以及第二走线区域，所述第一走线以及第二走线分别设于所述第一走线区域以及第二走线区域上，并且所述第一走线至所述信号线的距离与所述第二走线至所述信号线的距离相等。
其中，所述第一走线以及第二走线的走线形状与所述信号线一致。
其中，所述信号线、第一走线以及第二走线均为直线或者蛇形线，并且所述第一走线以及第二走线分别与所述信号线平行设置。
其中，所述第一走线以及第二走线至所述信号线的距离大于或等于所述 信号线的两倍线宽。
其中，所述第一走线以及第二走线的线宽大于或等于所述信号线的三倍线宽。
其中，所述第一走线区域以及第二走线区域的面积大小相等。
其中，所述信号线为单端信号线或者差分信号线。
其中，所述信号线还包括第三走线区域以及第四走线区域，所述第三走线区域以及第四走线区域分别位于所述第一走线区域以及第二走线区域的一侧，所述柔性电路板本体还包括第三走线以及第四走线，分别设于所述第三走线区域以及第四走线区域上。
其中，所述第三走线以及第四走线为直线走线或蛇形走线。
其中，所述移动终端还包括本体以及设于所述本体内部的主板，所述柔性电路板走线结构设于所述主板上，并与所述主板电性连接。
其中，所述移动终端为包括手机、电脑、平板、掌上游戏机及媒体播放器在内的智能移动终端。
请一并参阅图1-3，本发明实施例提供的一种移动终端1，包括如图3所示的本体110、设于所述本体110内部的主板120以及柔性电路板走线结构130，所述柔性电路板走线结构130设于所述本体110内部，并与所述主板120电连接。
所述移动终端1可为手机、电脑、平板、掌上游戏机或媒体播放器等智能移动终端。本实施例中，以所述移动终端1为手机为例进行说明。
请一并参阅图1以及图2，为本发明实施例提供的柔性电路板走线结构130。所述柔性电路板走线结构130包括柔性电路板本体100，所述柔性电路板本体100为单层板，其包括基材层10、以及设于所述基材层10上的信号线20、第一走线30以及第二走线40。所述信号线20包括位于其两侧的第一走线区域21以及第二走线区域22。所述第一走线30以及第二走线40分别设于所述第一走线区域21以及第二走线区域22上，并且所述第一走线30至所述信号线20的距离与所述第二走线40至所述信号线20的距离相等。
本发明实施例提供的柔性电路板走线结构130，通过设置所述柔性电路板本体100为单层板，并在所述柔性电路板本体100的信号线20的两侧上分别设置所述第一走线30以及第二走线40，并使得所述第一走线30至所述 信号线20的距离与所述第二走线40至所述信号线20的距离相等，从而能够使得所述信号线20的信号阻抗环境保持一致，有利于保证所述信号线20的阻抗连续性。此外，由于将所述第一走线30以及第二走线40设于所述信号线20的两侧，以作为所述信号线20的参考回路，从而能够满足当所述柔性电路板本体100为单层板时的阻抗环境要求，保证了单层板上的信号阻抗连续性。
具体地，所述柔性电路板本体100为单层板，所述柔性电路板本体100包括所述基材层10以及铜箔层(图中省略所述铜箔层)，并且所述信号线20、所述第一走线30以及第二走线40均设于所述铜箔层上。
所述基材层10为绝缘层，并且所述基材层10的材质可采用聚酰亚胺(Polyimide PI)或聚乙烯双笨二甲酸盐(Polyethylene terephthalate PET)等材料。或者所述基材层10还可采用环氧玻璃布层压板(FR4)，以便于在所述基材层10上设置所述铜箔层时，能够提供绝缘环境，以便于所述铜箔层的刻蚀。优选地，所述基材层10的厚度可为20μm。
本实施例中，所述信号线20可为单端信号线或者差分信号线，以使所述柔性电路板走线结构130能够满足不同的信号传输要求。当信号需要有较强的抗共模干扰能力，并且需要较长距离传输时，则可选择所述信号线20为差分信号线。而当对信号传输的距离以及抗干扰能力要求不高时，可选择所述信号线20为单端信号线。
进一步地，所述信号线20为直线或者蛇形线，以使所述信号线20能够满足不同时序的信号要求。例如，当所述信号线20需要调节延时，则可选择所述信号线20为蛇形线。
所述第一走线区域21以及第二走线区域22分别相对应设置于所述信号线20的两侧。本实施例中，所述第一走线区域21以及第二走线区域22的面积大小相等，以便于所述信号线20两侧的阻抗环境保持一致。优选地，所述第一走线区域21以及第二走线区域22的面积均大于所述信号线20的两倍线宽，以便于所述第一走线30以及第二走线40在所述第一走线区域21以及第二走线区域22上布置时，能够与所述信号线20有较近的距离，从而便于与所述信号线20耦合，以满足所述信号线20的走线信号阻抗要求。可以理解的是，在其他实施例中，所述第一走线区域21以及第二走线区域22 的面积还可根据所述柔性电路板本体100的实际布线情况进行调整设置。
进一步地，所述信号线20还包括第三走线区域23以及第四走线区域24，所述第三走线区域23以及第四走线区域24分别位于所述第一走线区域21以及第二走线区域22的一侧。所述柔性电路板本体还包括第三走线50以及第四走线60，分别设于所述第三走线区域23以及第四走线区域24上。具体地，所述第三走线区域23以及第四走线区域24分别用以布置其他的信号走线，比如时钟信号线或者其他走线等等。所述第三走线50以及第四走线60还可为直线走线或者蛇形走线，根据实际布线需求选择，无需与所述信号线20保持一致。
所述第一走线30以及第二走线40的走线形状与所述信号线20一致，并且所述第一走线30以及第二走线40分别与所述信号线20平行设置。本实施例中，当所述信号线20为直线走线时，所述第一走线30以及第二走线40也为直线。而当所述信号线20为蛇形走线时，所述第一走线30以及第二走线40也相应为蛇形走线。通过设置所述第一走线30与所述第二走线40与所述信号线20保持一致的走线形状，并且保证所述第一走线30以及第二走线40分别与所述信号线20平行设置，从而能够使得所述第一走线30以及第二走线40能够作为所述信号线20的参考回路，保证所述第一走线30至所述信号线20的距离与所述第二走线40至所述信号线20的距离相等，进而能够使得所述信号线20两侧的信号环境保持一致，从而使得所述信号线20的阻抗信号保持连续。即，保证了所述信号线20相对所述第一走线30的阻抗值与所述信号线20相对所述第二走线40的阻抗值相等。
进一步地，所述第一走线30以及第二走线40距离所述信号线20的距离大于或等于所述信号线20的两倍线宽，从而能够满足所述信号线20的信号耦合条件。此外，当所述第一走线30以及第二走线40距离所述信号线20的距离越近时，所述信号线20与所述第一走线30以及第二走线40之间的信号耦合强度越强，进而使得所述信号线20的阻抗连续性越好。因此，在优选地，所述第一走线30以及第二走线40距离所述信号线20的距离为所述信号线20的两倍线宽。
更进一步地，所述第一走线30以及第二走线40的线宽大于或等于所述信号线20的三倍线宽，从而能够进一步加强所述信号线20与所述第一走线 30以及第二走线40的信号耦合强度，保证所述信号线20具有足够的参考回路。可以理解的是，在具体布线设计时，可通过阻抗模拟软件计算出所述信号线20与所述第一走线30以及第二走线40之间的距离要求，从而能够进一步便于实现阻抗控制，进而提高所述柔性电路板走线结构的信号传输质量。
本发明提供的柔性电路板走线结构通过设置柔性电路板本体为单层板，然后在柔性电路板本体的基材上设置信号线，并在信号线的第一走线区域以及第二走线区域上分别设置第一走线以及第二走线，并使得第一走线以及第二走线相对信号线对称设置，以保证第一走线至信号线的距离与第二走线至信号线的距离相等。由于该柔性电路板本体为单层板，故而利用信号线两侧的地网络分别进行走线，以作为信号线的参考回路。然后控制第一走线以及第二走线分别至信号线的距离相等，从而能够使得信号线在其两侧上的阻抗环境保持一致，故而能够实现阻抗连续性。采用这种方式，解决了单层板上的信号阻抗连续性问题，进而使得当将该柔性电路板走线结构应用于移动终端中时，能够减少其在移动终端中的占用空间，有利于减少移动终端的整体厚度，提高了用户体验。
以上所述的实施方式，并不构成对该技术方案保护范围的限定。任何在上述实施方式的精神和原则之内所作的修改、等同替换和改进等，均应包含在该技术方案的保护范围之内。

Claims (20)

  1. 一种柔性电路板走线结构，其特征在于：其包括柔性电路板本体，所述柔性电路板本体为单层板，包括基材层、以及设于所述基材层上的信号线、第一走线以及第二走线，所述信号线包括位于其两侧的第一走线区域以及第二走线区域，所述第一走线以及第二走线分别设于所述第一走线区域以及第二走线区域上，并且所述第一走线至所述信号线的距离与所述第二走线至所述信号线的距离相等。
  2. 如权利要求1所述的柔性电路板走线结构，其特征在于：所述第一走线以及第二走线的走线形状与所述信号线一致。
  3. 如权利要求2所述的柔性电路板走线结构，其特征在于：所述信号线、第一走线以及第二走线均为直线或者蛇形线，并且所述第一走线以及第二走线分别与所述信号线平行设置。
  4. 如权利要求1所述的柔性电路板走线结构，其特征在于：所述第一走线以及第二走线至所述信号线的距离大于或等于所述信号线的两倍线宽。
  5. 如权利要求1所述的柔性电路板走线结构，其特征在于：所述第一走线以及第二走线的线宽大于或等于所述信号线的三倍线宽。
  6. 如权利要求1所述的柔性电路板走线结构，其特征在于：所述第一走线区域以及第二走线区域的面积大小相等。
  7. 如权利要求1所述的柔性电路板走线结构，其特征在于：所述信号线为单端信号线或者差分信号线。
  8. 如权利要求1所述的柔性电路板走线结构，其特征在于：所述信号线还包括第三走线区域以及第四走线区域，所述第三走线区域以及第四走线区域分别位于所述第一走线区域以及第二走线区域的一侧，所述柔性电路板本 体还包括第三走线以及第四走线，分别设于所述第三走线区域以及第四走线区域上。
  9. 如权利要求8所述的柔性电路板走线结构，其特征在于：所述第三走线以及第四走线为直线走线或蛇形走线。
  10. 一种移动终端，其特征在于：所述移动终端包括柔性电路板走线结构，所述柔性电路板走线结构包括柔性电路板本体，所述柔性电路板本体为单层板，包括基材层、以及设于所述基材层上的信号线、第一走线以及第二走线，所述信号线包括位于其两侧的第一走线区域以及第二走线区域，所述第一走线以及第二走线分别设于所述第一走线区域以及第二走线区域上，并且所述第一走线至所述信号线的距离与所述第二走线至所述信号线的距离相等。
  11. 如权利要求10所述的柔性电路板走线结构，其特征在于：所述第一走线以及第二走线的走线形状与所述信号线一致。
  12. 如权利要求11所述的柔性电路板走线结构，其特征在于：所述信号线、第一走线以及第二走线均为直线或者蛇形线，并且所述第一走线以及第二走线分别与所述信号线平行设置。
  13. 如权利要求10所述的柔性电路板走线结构，其特征在于：所述第一走线以及第二走线至所述信号线的距离大于或等于所述信号线的两倍线宽。
  14. 如权利要求10所述的柔性电路板走线结构，其特征在于：所述第一走线以及第二走线的线宽大于或等于所述信号线的三倍线宽。
  15. 如权利要求10所述的柔性电路板走线结构，其特征在于：所述第一走线区域以及第二走线区域的面积大小相等。
  16. 如权利要求10所述的柔性电路板走线结构，其特征在于：所述信号线为单端信号线或者差分信号线。
  17. 如权利要求10所述的柔性电路板走线结构，其特征在于：所述信号线还包括第三走线区域以及第四走线区域，所述第三走线区域以及第四走线区域分别位于所述第一走线区域以及第二走线区域的一侧，所述柔性电路板本体还包括第三走线以及第四走线，分别设于所述第三走线区域以及第四走线区域上。
  18. 如权利要求17所述的柔性电路板走线结构，其特征在于：所述第三走线以及第四走线为直线走线或蛇形走线。
  19. 如权利要求10所述的柔性电路板走线结构，其特征在于：所述移动终端还包括本体以及设于所述本体内部的主板，所述柔性电路板走线结构设于所述主板上，并与所述主板电性连接。
  20. 如权利要求10所述的柔性电路板走线结构，其特征在于：所述移动终端为包括手机、电脑、平板、掌上游戏机及媒体播放器在内的智能移动终端。
PCT/CN2016/093914 2015-12-29 2016-08-08 柔性电路板走线结构及移动终端 WO2017113798A1 (zh)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105407632B (zh) * 2015-12-29 2018-06-29 广东欧珀移动通信有限公司 柔性电路板走线结构及移动终端
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101222815A (zh) * 2006-12-15 2008-07-16 富葵精密组件(深圳)有限公司 软性印刷电路板
CN101752640A (zh) * 2008-12-19 2010-06-23 亚旭电脑股份有限公司 用于传输高频信号的载体及载体布线方法
CN102074264A (zh) * 2009-11-24 2011-05-25 日立乐金资料储存公司 挠性印制电路基板、使用了它的电子设备以及光盘记录装置
CN105407632A (zh) * 2015-12-29 2016-03-16 广东欧珀移动通信有限公司 柔性电路板走线结构及移动终端

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4063533B2 (ja) * 2001-12-10 2008-03-19 日本碍子株式会社 フレキシブル配線板
US7336139B2 (en) * 2002-03-18 2008-02-26 Applied Micro Circuits Corporation Flexible interconnect cable with grounded coplanar waveguide
JP3920237B2 (ja) * 2002-04-04 2007-05-30 セイコーエプソン株式会社 プリント配線基板
KR100631639B1 (ko) * 2005-05-24 2006-10-09 엘지전자 주식회사 이동통신 단말기의 일체형 디스플레이 모듈
JP2007234500A (ja) * 2006-03-03 2007-09-13 Jst Mfg Co Ltd 高速伝送用ｆｐｃ及びこのｆｐｃに接続されるプリント基板
US8383230B2 (en) * 2007-05-24 2013-02-26 Arisawa Mfg. Co., Ltd. Flexible printed wiring board, multilayered flexible printed wiring board, and mobile telephone terminal employing multilayered flexible printed wiring board
TWI445462B (zh) * 2010-04-20 2014-07-11 Hon Hai Prec Ind Co Ltd 軟性電路板
CN204291567U (zh) * 2014-12-09 2015-04-22 上海天马微电子有限公司 一种线路板、显示模组和电子设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101222815A (zh) * 2006-12-15 2008-07-16 富葵精密组件(深圳)有限公司 软性印刷电路板
CN101752640A (zh) * 2008-12-19 2010-06-23 亚旭电脑股份有限公司 用于传输高频信号的载体及载体布线方法
CN102074264A (zh) * 2009-11-24 2011-05-25 日立乐金资料储存公司 挠性印制电路基板、使用了它的电子设备以及光盘记录装置
CN105407632A (zh) * 2015-12-29 2016-03-16 广东欧珀移动通信有限公司 柔性电路板走线结构及移动终端

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