WO2020155938A1 - 触摸屏控制板及触控显示装置 - Google Patents

触摸屏控制板及触控显示装置 Download PDF

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Publication number
WO2020155938A1
WO2020155938A1 PCT/CN2019/127771 CN2019127771W WO2020155938A1 WO 2020155938 A1 WO2020155938 A1 WO 2020155938A1 CN 2019127771 W CN2019127771 W CN 2019127771W WO 2020155938 A1 WO2020155938 A1 WO 2020155938A1
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Prior art keywords
connectors
circuit board
connector
touch screen
screen control
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English (en)
French (fr)
Inventor
霍东建
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Publication of WO2020155938A1 publication Critical patent/WO2020155938A1/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • 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
    • H05K1/18—Printed circuits structurally associated with non-printed electric components

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  • This application relates to the field of touch technology, for example, to a touch screen control panel and a touch display device.
  • the connectors 22 on the traditional control board 20 generally adopt a layout scheme that is placed side by side on the edge of the circuit board 21. This has basically become a consensus in the industry, but due to the comparison of the electronic components on the control board 20 In this way, when the area of the control board 20 increases, a large amount of space on the entire board surface will be wasted, and the space utilization rate is not high, which makes it difficult to effectively reduce the size of the entire board surface, and it will be inconvenient to use.
  • the present application provides a touch screen control panel that can improve the utilization rate of the panel space and reduce the size, and a touch display device containing the touch screen control panel.
  • a touch screen control board includes a circuit board and a connector provided on the circuit board.
  • the circuit board includes an edge portion and an inner side portion.
  • the edge portion is arranged around the inner side portion, and the connector has a plurality of At least some of the connectors among the plurality of connectors are provided on the edge portion, and some of the connectors are provided on the inner portion, and the connector located on the edge portion and the connector located on the inner portion There is a gap between the connectors.
  • a plurality of the connectors are located on the same side surface of the circuit board.
  • the connector provided on the edge portion extends along the corresponding outer side of the edge portion;
  • a portion of the outer side of the edge portion is correspondingly provided with a plurality of the connectors, and the plurality of connectors are arranged side by side along the outer side at the edge portion.
  • the multiple connectors on the same side of the circuit board are arranged in parallel.
  • the distance between adjacent connectors among the multiple connectors on the same side of the circuit board is not less than 10 mm.
  • the ends of the multiple connectors on the same side of the circuit board are arranged flush or partially staggered.
  • the multiple connectors are divided into TX connectors and RX connectors;
  • the TX connector and the RX connector are respectively distributed on different sides of the edge portion, and the TX pin and the RX pin of the control chip on the circuit board face the TX connector and the RX connector, respectively; And/or the traces of the TX connector and the RX connector on the circuit board do not cross.
  • the TX connectors are distributed on the left side and/or the right side of the circuit board, and the RX connectors are located on the upper side and/or lower side of the circuit board.
  • the circuit board includes sub-boards arranged in multiple layers, and different connectors with overlapping traces are located on different sub-boards on the circuit board and separated by a shielding layer.
  • Mounting holes are provided on the circuit board.
  • a touch display device includes a display module, a touch module, and the touch screen control board according to any one of the above embodiments.
  • the touch module is provided on the display module, and the touch module The group is electrically connected with the connector on the touch screen control board.
  • This application transfers some of the traditional connectors located at the edge of the circuit board to the inner side.
  • a good shield or layout such as shield the FFC wiring of the connector
  • FIG. 1 is a schematic structural diagram of a touch screen control panel according to an embodiment of the application.
  • the area outside the dashed line represents the edge portion, and the area inside the dashed line represents the inner portion;
  • Figure 2 is a schematic diagram of the structure of a traditional touch screen control panel.
  • an embodiment of the present application provides a touch screen control board 10, which includes a circuit board 11 and a connector 12 provided on the circuit board 11.
  • the circuit board 11 includes an edge portion 111 and an inner side portion 112.
  • the edge portion 111 is provided around the inner portion 112.
  • the plurality of connectors 12 at least some of the connectors 12 are provided on the edge portion 111, and some of the connectors 12 are provided on the inner portion 112.
  • the circuit board 11 is a multi-layer board, including a sub-board arranged in multiple layers. Furthermore, the circuit board 11 has a mounting hole 113.
  • the mounting holes 113 may be, but not limited to, distributed on the edge portion 111.
  • multiple connectors 12 are located on the same side surface of the circuit board 11, which facilitates installation and wiring.
  • the connector 12 provided on the edge portion 111 extends along the corresponding outer side of the edge portion 111, and may be arranged parallel to the outer side, for example.
  • a portion of the outer side of the edge portion 111 is correspondingly provided with a plurality of connectors 12, and the plurality of connectors 12 are arranged side by side along the outer side on the edge portion 111, such as the three corresponding to the lower side as shown in FIG. Pieces of connector 12.
  • the circuit board 11 can be divided into different sides with the center of the circuit board 11 and the corresponding sides.
  • the multiple connectors 12 on the same side of the circuit board 11 are arranged in parallel.
  • the two connectors 12 on the left side in FIG. 1 are arranged in parallel, and the two connectors 12 on the right side in FIG.
  • the connectors 12 are also arranged in parallel, and the three connectors 12 on the lower side as shown in FIG. 1 are arranged side by side in parallel.
  • the adjacent connectors 12 of the multiple connectors 12 located on the same side on the circuit board 11 need to be separated by a certain distance.
  • the distance optional, is not less than 10mm.
  • a certain distance should also be avoided between the connector 12 on one side of the circuit board 11 and the connector on the other side to avoid wiring. This distance can be designed as required. Specifically, the ends of the multiple connectors 12 on the same side of the circuit board 11 are arranged flush or partially staggered. For example, the two connectors 12 on the left side in FIG. 1 are partially staggered so as to be located on the inner side 112. A certain gap is formed between the connector 12 and the connector 12 on the lower edge 111 for the lower connector 12 to route.
  • the plurality of connectors 12 are divided into TX connectors 121 and RX connectors 122.
  • the TX connector 121 and the RX connector 122 are respectively distributed on different sides of the edge portion 111 for electrically connecting the TX sensing layer and the RX sensing layer.
  • the traces of the TX connector 121 and the RX connector 122 on the circuit board 11 do not cross.
  • the TX pin and RX pin of the control chip 114 on the circuit board 11 face the TX connector 121 and the RX connector 122, respectively.
  • the TX connector 121 is distributed on the left and/or right side of the circuit board 11, and the RX connector 122 is located on the upper side and/or the lower side of the circuit board 11.
  • the connectors 12 on the left and right sides are both TX connectors 121
  • the connectors 12 on the lower side are both RX connectors 122.
  • the TX connectors 121 on the left and right sides are connected to the TX drive channel.
  • the two TX connectors 121 on the left and right sides When the signal is transmitted from the circuit board 11 to the touch module through the TX connectors 121 on the left and right sides, the two TX connectors 121 on the left The FFC lines will have to go out together, and the signal will not be affected; the RX connector 122 on the lower side is connected to the RX drive channel, and the signal is input from the touch module to the circuit board 11 through the RX connector on the lower side, so the lower side The position of the RX connector 122 remains unchanged.
  • the circuit board 11 includes a sub-board (not shown) arranged in multiple layers. Different connectors 12 with overlapping traces. The traces on the circuit board 11 are located on different sub-boards and separated by shielding layers. For example, the connectors on the same side of the circuit board 11 at the edge 111 The traces of 12 and the traces of the connector 12 at the inner portion 112 are located on different sub-boards, and are separated by a shielding layer. The traces of the connector 12 on the edge 111 on the same side and the traces of the connector 12 on the inner portion 112 are separated by other subboards.
  • the present application also provides a touch display device, which includes a display module, a touch module, and the touch screen control board 10 of any of the above embodiments.
  • the touch module is arranged on the display module, and the touch module It is electrically connected to the connector 12 on the touch screen control board 10.
  • This application transfers the traditional part of the connector 12 located at the edge portion 111 of the circuit board to the inner portion 112.
  • shielding or layout is done, for example, the FFC of the connector 12 is routed. Shield the wires or ensure that the signal wires of different sensing layers do not overlap, so as not to cause signal interference, and this layout design can improve the utilization of the board space, thus greatly reducing the size of the circuit board.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Set Structure (AREA)
  • Position Input By Displaying (AREA)

Abstract

本申请公开了一种触摸屏控制板及含有该触摸屏控制板的触控显示装置。该触摸屏控制板包括电路板和设在电路板上的连接器，电路板包括边缘部和内侧部，边缘部环绕内侧部设置，连接器有多个，多个连接器中至少有部分连接器设于边缘部，部分连接器设于内侧部，且位于边缘部的连接器与位于内侧部的连接器之间具有间隙。

Description

触摸屏控制板及触控显示装置
本公开要求在2019年01月29日提交中国专利局、申请号为201920167123.2的中国专利申请的优先权，以上申请的全部内容通过引用结合在本公开中。
技术领域
本申请涉及触控技术领域，例如涉及一种触摸屏控制板及触控显示装置。
背景技术
目前使用触摸屏的输入显示设备应用越来越广泛，例如手机、移动互联网设备(MID)、智能终端、智慧黑板、会议平板等。随着触摸屏通道数的增多，触摸屏控制板的尺寸也随之越来越大。如图2所示，传统的控制板20上连接器22普遍采用并排摆放在电路板21边缘的布局方案，这基本上已经成为行业内的共识，但由于控制板20上的电子元器件比较少，这样当控制板20面积增大时，整个板面就会有大量空间被浪费，空间利用率不高，导致整个板面的尺寸难以有效减小，使用起来会有诸多不便。
发明内容
本申请提供一种能够提高板面空间利用率、减小尺寸的触摸屏控制板及含有该触摸屏控制板的触控显示装置。
一种触摸屏控制板，包括电路板和设在所述电路板上的连接器，所述电路板包括边缘部和内侧部，所述边缘部环绕所述内侧部设置，所述连接器有多个，多个所述连接器中至少有部分所述连接器设于所述边缘部，部分所述连接器设于所述内侧部，且位于所述边缘部的连接器与位于所述内侧部的连接器之间具有间隙。
多个所述连接器位于所述电路板的同一侧的表面上。
设于所述边缘部的所述连接器沿所述边缘部的相应外侧边延伸；和/或
所述边缘部的部分外侧边对应设有多个所述连接器，该多个所述连接器在所述边缘部沿该外侧边并排设置。
在所述电路板上位于同一侧的多个所述连接器平行设置。
在所述电路板上位于同一侧的多个所述连接器中相邻的连接器之间相距不小于10mm。
在所述电路板上位于同一侧的多个所述连接器的端部齐平设置或部分交错设置。
多个所述连接器分为TX连接器和RX连接器；
所述TX连接器与所述RX连接器分别分布于所述边缘部的不同侧，所述电路板上的控制芯片的TX脚和RX脚分别朝向所述TX连接器和所述RX连接器；和/或所述TX连接器和所述RX连接器在所述电路板上的走线不交叉。
所述TX连接器分布于所述电路板的左侧和/或右侧，所述RX连接器位于所述电路板的上侧和/或下侧。
所述电路板包括多层层叠设置的子板，走线有重叠的不同的连接器在电路板上的走线分别位于不同的子板，且之间由屏蔽层隔开。
所述电路板上设有安装孔。
一种触控显示装置，包括显示模组、触控模组和上述任一实施例所述的触摸屏控制板，所述触控模组设于所述显示模组之上，所述触控模组与所述触摸屏控制板上的连接器电连接。
本申请将传统的位于电路板边缘部的部分连接器转移到内侧部上，在使用时，只要适当注意信号之间的影响，做好屏蔽或布局，例如对连接器的FFC走线做好屏蔽或者保证不同感应层的信号线不会重叠，这样也不会造成信号干扰，而这样布局设计，可以提高对板面空间的利用率，因而可以大大减小电路板的尺寸。
附图说明
图1为本申请一实施例的触摸屏控制板的结构示意图，图中虚线外的区域表示边缘部，虚线内的区域表示内侧部；
图2为传统的触摸屏控制板的结构示意图。
具体实施方式
为了便于理解本申请，下面将参照相关附图对本申请进行更全面的描述。附图中给出了本申请的可选实施例。但是，本申请可以以许多不同的形式来实 现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本申请的公开内容的理解更加透彻全面。
需要说明的是，当元件被称为“设于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。本文所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
如图1所示，本申请一实施例提供了一种触摸屏控制板10，其包括电路板11和设在电路板11上的连接器12。电路板11包括边缘部111和内侧部112。边缘部111环绕内侧部112设置。连接器12有多个。多个连接器12中至少有部分连接器12设于边缘部111，部分连接器12设于内侧部112。位于边缘部111的连接器12与位于内侧部112的连接器12之间具有间隙。
在一个具体示例中，电路板11为多层板，包括多层层叠设置的子板。进一步，电路板11上具有安装孔113。安装孔113可以是但不限于分布在边缘部111上。
在图示的具体示例中，多个连接器12位于电路板11的同一侧的表面上，这样便于安装和布线。
设于边缘部111的连接器12沿边缘部111的相应外侧边延伸，例如可以是与该外侧边平行设置。边缘部111的部分外侧边对应设有多个连接器12，该多个连接器12在边缘部111上沿该外侧边并排设置，例如图1中所述的对应于下侧边的三个连接器12。
以电路板11的中心和相应的侧边可以将电路板11分成不同侧。在一个具体示例中，在电路板11上位于同一侧的多个连接器12平行设置，例如图1中位于左侧的两个连接器12平行设置，又如图1中位于右侧的两个连接器12也平行设置，又如图1中位于下侧的三个连接器12并排平行设置。
在一个具体示例中，为避免受用于连接器12的FFC线上补强板的影响，在电路板11上位于同一侧的多个连接器12中相邻的连接器12之间需要隔开一定 的距离，可选的，相距不小于10mm。
在电路板11上位于一侧的连接器12与位于另一侧的连接器之间也要避开一定的距离，以避让走线，这个距离可以根据需要设计。具体地，在电路板11上位于同一侧的多个连接器12的端部齐平设置或部分交错设置，例如图1中左侧的两个连接器12部分交错设置以使位于内侧部112上的连接器12与位于下侧边缘部111上的连接器12形成一定的间隙以供下侧的连接器12走线。
多个连接器12分为TX连接器121和RX连接器122。TX连接器121与RX连接器122分别分布于边缘部111的不同侧，以用于分别电连接TX感应层和RX感应层。TX连接器121和RX连接器122在电路板11上的走线不交叉。可选的，电路板11上的控制芯片114的TX脚和RX脚分别朝向TX连接器121和RX连接器122。
在一个具体示例中，TX连接器121分布于电路板11的左侧和/或右侧，RX连接器122位于电路板11的上侧和/或下侧。例如，在图1所示的具体示例中，左、右两侧的连接器12均为TX连接器121，下侧的连接器12均为RX连接器122。左、右两侧的TX连接器121连接TX驱动通道，当信号从电路板11通过左、右两侧的TX连接器121传输到触控模组时，左侧的两个TX连接器121的FFC线会得在一起出线，信号不受影响；下侧的RX连接器122连接RX驱动通道，信号从触控模组通过下侧的RX连接器输入到电路板11，因而可以保持下侧的RX连接器122的位置不变。
在一个具体示例中，电路板11包括多层层叠设置的子板(图未示)。走线有重叠的不同的连接器12在电路板11上的走线分别位于不同的子板，且之间由屏蔽层隔开，例如在电路板11上同一侧的位于边缘部111的连接器12的走线与位于内侧部112的连接器12的走线分别位于不同的子板，且之间由屏蔽层隔开。同一侧的位于边缘部111的连接器12的走线与位于内侧部112的连接器12的走线各自所在的子板之间由其他子板隔开。
本申请还提供了一种触控显示装置，其包括显示模组、触控模组和上述任一实施例的触摸屏控制板10，触控模组设于显示模组之上，触控模组与触摸屏控制板10上的连接器12电连接。
本申请将传统的位于电路板边缘部111的部分连接器12转移到内侧部112 上，在使用时，只要适当注意信号之间的影响，做好屏蔽或布局，例如对连接器12的FFC走线做好屏蔽或者保证不同感应层的信号线不会重叠，这样也不会造成信号干扰，而这样布局设计，可以提高对板面空间的利用率，因而可以大大减小电路板的尺寸。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述。

Claims (10)

  1. 一种触摸屏控制板，包括：电路板和设在所述电路板上的连接器，所述电路板包括边缘部和内侧部，所述边缘部环绕所述内侧部设置，所述连接器有多个，多个所述连接器中至少有部分所述连接器设于所述边缘部，部分所述连接器设于所述内侧部，且位于所述边缘部的连接器与位于所述内侧部的连接器之间具有间隙。
  2. 如权利要求1所述的触摸屏控制板，其中，多个所述连接器位于所述电路板的同一侧的表面上。
  3. 如权利要求1所述的触摸屏控制板，其中，设于所述边缘部的所述连接器沿所述边缘部的相应外侧边延伸；和/或
    所述边缘部的部分外侧边对应设有多个所述连接器，该多个所述连接器在所述边缘部沿该外侧边并排设置。
  4. 如权利要求1-3中任一项所述的触摸屏控制板，其中，在所述电路板上位于同一侧的多个所述连接器平行设置。
  5. 如权利要求4所述的触摸屏控制板，其中，在所述电路板上位于同一侧的多个所述连接器中相邻的连接器之间相距不小于10mm。
  6. 如权利要求4所述的触摸屏控制板，其中，在所述电路板上位于同一侧的多个所述连接器的端部齐平设置或部分交错设置。
  7. 如权利要求1-3以及5-6中任一项所述的触摸屏控制板，其中，多个所述连接器分为TX连接器和RX连接器；
    所述TX连接器与所述RX连接器分别分布于所述边缘部的不同侧，所述电路板上的控制芯片的TX脚和RX脚分别朝向所述TX连接器和所述RX连接器；和/或所述TX连接器和所述RX连接器在所述电路板上的走线不交叉。
  8. 如权利要求7所述的触摸屏控制板，其中，所述TX连接器分布于所述电路板的左侧和/或右侧，所述RX连接器位于所述电路板的上侧和/或下侧。
  9. 如权利要求1-3、5-6以及8中任一项所述的触摸屏控制板，其中，所述电路板包括多层层叠设置的子板，走线有重叠的不同的连接器在电路板上的走线分别位于不同的子板，且之间由屏蔽层隔开。
  10. 一种触控显示装置，包括：显示模组、触控模组和如权利要求1-9中任一项所述的触摸屏控制板，所述触控模组设于所述显示模组之上，所述触控模组与所述触摸屏控制板上的连接器电连接。
PCT/CN2019/127771 2019-01-29 2019-12-24 触摸屏控制板及触控显示装置 Ceased WO2020155938A1 (zh)

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CN209343306U (zh) * 2019-01-29 2019-09-03 广州视源电子科技股份有限公司 触摸屏控制板及触控显示装置
CN211349329U (zh) * 2020-01-08 2020-08-25 深圳市鸿合创新信息技术有限责任公司 一种电容触控膜组件及交互显示设备

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