CN204425784U - A kind of flexible printed circuit board and touch-control protecgulum - Google Patents
A kind of flexible printed circuit board and touch-control protecgulum Download PDFInfo
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- CN204425784U CN204425784U CN201520188748.9U CN201520188748U CN204425784U CN 204425784 U CN204425784 U CN 204425784U CN 201520188748 U CN201520188748 U CN 201520188748U CN 204425784 U CN204425784 U CN 204425784U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 239000011889 copper foil Substances 0.000 claims description 13
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
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Abstract
Description
技术领域technical field
本实用新型涉及触摸屏技术领域，特别涉及一种柔性印刷电路板及触控前盖。The utility model relates to the technical field of touch screens, in particular to a flexible printed circuit board and a touch front cover.
背景技术Background technique
目前，触摸屏的触控前盖上包括有可视区域和非可视区域，参见图1所示，非可视区域上包括有依次衔接的顶部设计区10、柔性印刷电路板11和传感器走线区12。其中，传感器走线区12的底边与可视区域的顶边连接，顶部设计区10上可以设计有摄像孔、听通孔、红外感光孔和手机天线净空区域等等；柔性印刷电路板11包括有引脚走线区111和引脚区112。At present, the touch front cover of the touch screen includes a visible area and a non-visible area. As shown in FIG. District 12. Wherein, the bottom edge of the sensor routing area 12 is connected with the top edge of the visible area, and the top design area 10 can be designed with a camera hole, a listening hole, an infrared photosensitive hole and a mobile phone antenna clearance area, etc.; the flexible printed circuit board 11 It includes a pin routing area 111 and a pin area 112 .
然而，由于现有柔性印刷电路板11的顶边与可视区域的顶边之间的距离L1过大，使得顶部设计区10的宽度过小，从而导致顶部设计区的设计难度较高，不利于客户整机设计。其中，L1的大小等于传感器走线区的宽度L2、引脚区112的宽度L3和引脚走线区的宽度L4之间的总和。However, because the distance L1 between the top edge of the existing flexible printed circuit board 11 and the top edge of the visible area is too large, the width of the top design area 10 is too small, which makes the design of the top design area more difficult. It is not conducive to the customer's overall machine design. Wherein, the size of L 1 is equal to the sum of the width L 2 of the sensor wiring area, the width L 3 of the pin area 112 and the width L 4 of the pin wiring area.
综上所述可以看出，如何减少柔性印刷电路板的顶边与可视区域的顶边之间的距离，从而扩大顶部设计区的宽度，降低顶部设计区的设计难度是目前亟待解决的问题。To sum up, it can be seen that how to reduce the distance between the top edge of the flexible printed circuit board and the top edge of the visible area, so as to expand the width of the top design area and reduce the design difficulty of the top design area is an urgent problem to be solved at present. .
实用新型内容Utility model content
有鉴于此，本实用新型的目的是提供一种柔性印刷电路板及触控前盖，减少了柔性印刷电路板的顶边与可视区域的顶边之间的距离，从而扩大了顶部设计区的宽度，降低顶部设计区的设计难度。其具体方案如下：In view of this, the purpose of this utility model is to provide a flexible printed circuit board and a touch front cover, which reduces the distance between the top edge of the flexible printed circuit board and the top edge of the visible area, thereby enlarging the top design area width, reducing the design difficulty of the top design area. The specific plan is as follows:
本实用新型公开了一种柔性印刷电路板，应用于触控前盖，包括引脚区和引脚走线区；所述引脚走线区上设有N个过孔和与所述N个过孔一一对应的N根引脚走线，其中，N为正整数；所述引脚区上设有与所述N个过孔一一对应的N个引脚；所述N个过孔中的每一个过孔直接通过相应的引脚走线，分别与所述引脚区上相应的引脚进行一一对应连接；The utility model discloses a flexible printed circuit board, which is applied to a touch control front cover, and comprises a pin area and a pin routing area; the pin routing area is provided with N via holes and the N via holes. N pins corresponding to one-to-one via holes, wherein, N is a positive integer; N pins corresponding to the N via holes are provided on the pin area; the N via holes Each via hole in the pins is directly routed through the corresponding pins, and is respectively connected to the corresponding pins on the pin area in a one-to-one correspondence;
所述引脚走线区包括位于所述引脚区一侧的第一引脚走线区和位于所述引脚区另一侧的第二引脚走线区；所述N个过孔中的M个过孔位于所述第一引脚走线区，其余的N-M个过孔则位于所述第二引脚走线区，其中，M为小于N的正整数；所述第一引脚走线区的宽度小于当所述N个过孔均位于所述引脚区的同一侧时所述引脚走线区的宽度；当所述柔性印刷电路板被绑定到所述触控前盖时，所述第二引脚走线区所在的区域叠加到所述触控前盖上的传感器走线区所在的区域。The pin routing area includes a first pin routing area located on one side of the pin area and a second pin routing area located on the other side of the pin area; the N via holes The M via holes are located in the first pin routing area, and the remaining N-M via holes are located in the second pin routing area, wherein, M is a positive integer smaller than N; the first pin The width of the routing area is smaller than the width of the pin routing area when the N via holes are all located on the same side of the pin area; when the flexible printed circuit board is bound to the front of the touch When covering, the area where the second pin wiring area is superimposed on the area where the sensor wiring area on the touch front cover is located.
优选的，所述柔性印刷电路板为柔性双面印刷电路板；所述柔性双面印刷电路板包括依次贴合的第一覆盖层、顶层铜箔、基层、底层铜箔和第二覆盖层；所述引脚区位于所述底层铜箔上。Preferably, the flexible printed circuit board is a flexible double-sided printed circuit board; the flexible double-sided printed circuit board includes a first covering layer, a top layer of copper foil, a base layer, a bottom layer of copper foil and a second covering layer laminated in sequence; The lead area is located on the bottom copper foil.
优选的，所述第二覆盖层在与所述引脚区正对的投影区域上设有第一穿孔。Preferably, the second covering layer is provided with a first perforation on a projected area facing the pin area.
优选的，所述第二覆盖层在与所述引脚区正对的投影区域上设有第二穿孔；所述顶层铜箔在与所述引脚区正对的投影区域上设有第三穿孔。Preferably, the second covering layer is provided with a second perforation on the projection area facing the pin area; the top layer copper foil is provided with a third hole on the projection area facing the pin area. perforation.
本实用新型还公开了一种触控前盖，包括上述的柔性印刷电路板和传感器走线区。The utility model also discloses a touch control front cover, which comprises the above-mentioned flexible printed circuit board and a sensor wiring area.
本实用新型中，引脚走线区包括位于引脚区一侧的第一引脚走线区和位于引脚区另一侧的第二引脚走线区，其中，第一引脚走线区的宽度小于当引脚区中所有的过孔均位于引脚区的同一侧时引脚走线区的宽度；将柔性印刷电路板被绑定到触控前盖后，第二引脚走线区所在的区域会叠加到触控前盖上的传感器走线区所在的区域。也即，通过将原本位于引脚区同一侧的引脚走线区分为两小部分，各放置在引脚区的两侧，从而减少了柔性印刷电路板的顶边与可视区域的顶边之间的距离，扩大了顶部设计区的宽度，降低顶部设计区的设计难度。In the utility model, the pin routing area includes a first pin routing area located on one side of the pin area and a second pin routing area located on the other side of the pin area, wherein the first pin routing area The width of the pin area is smaller than the width of the pin routing area when all the vias in the pin area are located on the same side of the pin area; after the flexible printed circuit board is bound to the touch front cover, the second pin routing area The area where the wiring area is located will be superimposed on the area where the sensor wiring area on the touch bezel is located. That is to say, by dividing the pin routing area originally located on the same side of the pin area into two small parts, each placed on both sides of the pin area, thereby reducing the space between the top edge of the flexible printed circuit board and the top edge of the visible area. The distance between them expands the width of the top design area and reduces the design difficulty of the top design area.
附图说明Description of drawings
为了更清楚地说明本实用新型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实用新型的实施例，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，还可以根据提供的附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.
图1为现有技术中触控前盖的结构示意图；FIG. 1 is a schematic structural diagram of a touch front cover in the prior art;
图2为本实用新型实施例公开的一种柔性印刷电路板的应用结构示意图；Fig. 2 is a schematic diagram of the application structure of a flexible printed circuit board disclosed in the embodiment of the present invention;
图3为本实用新型实施例公开的一种具体的柔性双面印刷电路板剖面结构示意图；Fig. 3 is a schematic cross-sectional structure diagram of a specific flexible double-sided printed circuit board disclosed in the embodiment of the present invention;
图4为本实用新型实施例公开的另一种具体的柔性双面印刷电路板剖面结构示意图。Fig. 4 is a schematic cross-sectional structure diagram of another specific flexible double-sided printed circuit board disclosed in the embodiment of the present invention.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型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实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，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，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
本实用新型公开了一种柔性印刷电路板。图2为该柔性印刷电路板应用到触控前盖时的应用结构示意图。The utility model discloses a flexible printed circuit board. FIG. 2 is a schematic diagram of the application structure of the flexible printed circuit board applied to the touch front cover.
该柔性印刷电路板应用于触控前盖，包括引脚区212和引脚走线区；引脚走线区上设有N个过孔和与N个过孔一一对应的N根引脚走线，其中，N为正整数；引脚区212上设有与N个过孔一一对应的N个引脚；N个过孔中的每一个过孔直接通过相应的引脚走线，分别与引脚区212上相应的引脚进行一一对应连接；The flexible printed circuit board is applied to the touch front cover, and includes a pin area 212 and a pin routing area; N via holes and N pins corresponding to the N via holes are arranged on the pin routing area Routing, where N is a positive integer; N pins corresponding to N via holes are provided on the pin area 212; each via hole in the N via holes is routed directly through the corresponding pin, Respectively perform one-to-one corresponding connection with the corresponding pins on the pin area 212;
引脚走线区包括位于引脚区212一侧的第一引脚走线区2111和位于引脚区212另一侧的第二引脚走线区2112；N个过孔中的M个过孔位于第一引脚走线区2111，其余的N-M个过孔则位于第二引脚走线区2112，其中，M为小于N的正整数；第一引脚走线区2111的宽度L4-1'小于当N个过孔均位于引脚区的同一侧时引脚走线区的宽度；当柔性印刷电路板21被绑定到触控前盖时，第二引脚走线区2112所在的区域叠加到触控前盖上的传感器走线区22所在的区域，这也说明，第二引脚走线区2112的宽度L4-2'小于或等于传感器走线区22的宽度L2'。这样柔性印刷电路板21的顶边与可视区域的顶边之间的距离L1'为传感器走线区22的宽度L2'、引脚区212的宽度L3'与第一引脚走线区2111的宽度L4-1'之和。显然，本实施例中的柔性印刷电路板21的顶边与可视区域的顶边之间的距离L1'要小于现有技术中相对应的距离，从而使得顶部设计区20的宽度变大，降低了顶部设计区的设计难度，有利于客户整机设计。The pin routing area includes a first pin routing area 2111 located on one side of the pin area 212 and a second pin routing area 2112 located on the other side of the pin area 212; The hole is located in the first pin routing area 2111, and the remaining NM via holes are located in the second pin routing area 2112, wherein M is a positive integer smaller than N; the width L of the first pin routing area 2111 is 4 -1 ' is less than the width of the pin routing area when the N via holes are located on the same side of the pin area; when the flexible printed circuit board 21 is bound to the touch front cover, the second pin routing area 2112 This area is superimposed on the area where the sensor routing area 22 on the touch front cover is located, which also shows that the width L 4-2 ′ of the second pin routing area 2112 is less than or equal to the width L of the sensor routing area 22 2 '. In this way, the distance L 1 ′ between the top edge of the flexible printed circuit board 21 and the top edge of the visible area is the width L 2 ′ of the sensor wiring area 22, and the width L 3 ′ of the lead area 212 is equal to the width L 3 ′ of the first pin line. The sum of the width L 4-1 ′ of the line region 2111. Obviously, the distance L 1 ′ between the top edge of the flexible printed circuit board 21 and the top edge of the visible area in this embodiment is smaller than the corresponding distance in the prior art, so that the width of the top design area 20 becomes larger , which reduces the design difficulty of the top design area, which is beneficial to the customer's overall machine design.
本实施例中，可尽可能地将更多的过孔设置在第二引脚走线区2112，这样，第一引脚走线区2111的宽度可以变得更小。另外，位于第一引脚走线区2111的N-M个过孔尽可能地分别与位于第二引脚走线区2112的M个过孔在空间位置上呈等间距相邻排列。In this embodiment, as many via holes as possible can be arranged in the second pin routing area 2112 , so that the width of the first pin routing area 2111 can be made smaller. In addition, the N-M via holes located in the first pin routing area 2111 are respectively arranged adjacent to the M via holes located in the second pin routing area 2112 at equal intervals in space.
优选的柔性印刷电路板21为柔性双面印刷电路板。图3为本实施例中一种具体的柔性双面印刷电路板剖面结构示意图，图4为本实施例中另一种具体的柔性双面印刷电路板剖面结构示意图。柔性双面印刷电路板包括依次贴合的第一覆盖层31、顶层铜箔32、基层33、底层铜箔34和第二覆盖层35；引脚区位于底层铜箔35上。A preferred flexible printed circuit board 21 is a flexible double-sided printed circuit board. FIG. 3 is a schematic cross-sectional structure diagram of a specific flexible double-sided printed circuit board in this embodiment, and FIG. 4 is a schematic cross-sectional structural schematic diagram of another specific flexible double-sided printed circuit board in this embodiment. The flexible double-sided printed circuit board includes a first covering layer 31 , a top layer of copper foil 32 , a base layer 33 , a bottom layer of copper foil 34 and a second cover layer 35 laminated in sequence; the lead area is located on the bottom layer of copper foil 35 .
图3中，第二覆盖层35在与引脚区212正对的投影区域上设有第一穿孔。位于底层铜箔34上的引脚区212通过上述第一穿孔裸露在外。In FIG. 3 , the second covering layer 35 is provided with a first through hole on the projected area facing the lead area 212 . The lead area 212 on the bottom copper foil 34 is exposed through the above-mentioned first through hole.
图4中，第二覆盖层35在与引脚区212正对的投影区域上设有第二穿孔，位于底层铜箔34上的引脚区212通过上述第二穿孔裸露在外；顶层铜箔32在与引脚区212正对的投影区域上设有第三穿孔。In Fig. 4, the second covering layer 35 is provided with a second perforation on the projected area facing the lead area 212, and the lead area 212 on the bottom copper foil 34 is exposed outside through the above-mentioned second perforation; the top layer copper foil 32 A third through hole is provided on the projected area facing the pin area 212 .
本实施例中，引脚走线区包括位于引脚区一侧的第一引脚走线区和位于引脚区另一侧的第二引脚走线区，其中，第一引脚走线区的宽度小于当引脚区中所有的过孔均位于引脚区的同一侧时引脚走线区的宽度；将柔性印刷电路板被绑定到触控前盖后，第二引脚走线区所在的区域会叠加到触控前盖上的传感器走线区所在的区域。也即，通过将原本位于引脚区同一侧的引脚走线区分为两小部分，各放置在引脚区的两侧，从而减少了柔性印刷电路板的顶边与可视区域的顶边之间的距离，扩大了顶部设计区的宽度，降低顶部设计区的设计难度。In this embodiment, the pin routing area includes a first pin routing area located on one side of the pin area and a second pin routing area located on the other side of the pin area, wherein the first pin routing area The width of the pin area is smaller than the width of the pin routing area when all the vias in the pin area are located on the same side of the pin area; after the flexible printed circuit board is bound to the touch front cover, the second pin routing area The area where the wiring area is located will be superimposed on the area where the sensor wiring area on the touch bezel is located. That is to say, by dividing the pin routing area originally located on the same side of the pin area into two small parts, each placed on both sides of the pin area, thereby reducing the space between the top edge of the flexible printed circuit board and the top edge of the visible area. The distance between them expands the width of the top design area and reduces the design difficulty of the top design area.
本实用新型还公开了一种触控前盖，该触控前盖包括柔性印刷电路板和传感器走线区。该柔性印刷电路板包括引脚区和引脚走线区；引脚走线区上设有N个过孔和与N个过孔一一对应的N根引脚走线，其中，N为正整数；引脚区上设有与N个过孔一一对应的N个引脚；N个过孔中的每一个过孔直接通过相应的引脚走线，分别与引脚区上相应的引脚进行一一对应连接；The utility model also discloses a touch front cover, which includes a flexible printed circuit board and a sensor wiring area. The flexible printed circuit board includes a pin area and a pin routing area; N via holes and N pin routing corresponding to the N via holes are arranged on the pin routing area, wherein, N is a positive Integer; there are N pins corresponding to N vias one-to-one on the pin area; each via in the N vias is routed directly through the corresponding pin, and is respectively connected to the corresponding pin on the pin area. The feet are connected in one-to-one correspondence;
引脚走线区包括位于引脚区一侧的第一引脚走线区和位于引脚区另一侧的第二引脚走线区；N个过孔中的M个过孔位于第一引脚走线区，其余的N-M个过孔则位于第二引脚走线区，其中，M为小于N的正整数；第一引脚走线区的宽度小于当N个过孔均位于引脚区的同一侧时引脚走线区的宽度；当柔性印刷电路板被绑定到触控前盖时，第二引脚走线区所在的区域叠加到触控前盖上的传感器走线区所在的区域。The pin routing area includes a first pin routing area located on one side of the pin area and a second pin routing area located on the other side of the pin area; M via holes in the N via holes are located in the first pin routing area. pin routing area, and the remaining N-M vias are located in the second pin routing area, where M is a positive integer smaller than N; the width of the first pin routing area is less than when the N via holes are located in the lead The width of the pin routing area on the same side of the foot area; when the flexible printed circuit board is bound to the touch front cover, the area where the second pin routing area is superimposed on the sensor routing on the touch front cover The area in which the district is located.
本实施例中，引脚走线区包括位于引脚区一侧的第一引脚走线区和位于引脚区另一侧的第二引脚走线区，其中，第一引脚走线区的宽度小于当引脚区中所有的过孔均位于引脚区的同一侧时引脚走线区的宽度；将柔性印刷电路板被绑定到触控前盖后，第二引脚走线区所在的区域会叠加到触控前盖上的传感器走线区所在的区域。也即，通过将原本位于引脚区同一侧的引脚走线区分为两小部分，各放置在引脚区的两侧，从而减少了柔性印刷电路板的顶边与可视区域的顶边之间的距离，扩大了顶部设计区的宽度，降低顶部设计区的设计难度。In this embodiment, the pin routing area includes a first pin routing area located on one side of the pin area and a second pin routing area located on the other side of the pin area, wherein the first pin routing area The width of the pin area is smaller than the width of the pin routing area when all the vias in the pin area are located on the same side of the pin area; after the flexible printed circuit board is bound to the touch front cover, the second pin routing area The area where the wiring area is located will be superimposed on the area where the sensor wiring area on the touch bezel is located. That is to say, by dividing the pin routing area originally located on the same side of the pin area into two small parts, each placed on both sides of the pin area, thereby reducing the space between the top edge of the flexible printed circuit board and the top edge of the visible area. The distance between them expands the width of the top design area and reduces the design difficulty of the top design area.
对所公开的实施例的上述说明，使本领域技术人员能够实现或使用本实用新型。对这些实施例的多种修改对本领域技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本实用新型的精神或范围的情况下，在其它实施例中实现。因此，本实用新型将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107102762A (en) * | 2016-02-19 | 2017-08-29 | 三星显示有限公司 | Touch panel and the mobile terminal including it |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107102762A (en) * | 2016-02-19 | 2017-08-29 | 三星显示有限公司 | Touch panel and the mobile terminal including it |
| CN107102762B (en) * | 2016-02-19 | 2021-11-02 | 三星显示有限公司 | Touch screen panel and mobile terminal including the same |
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