WO2023019534A1 - 一种触控设备的组合结构及可穿戴设备 - Google Patents

一种触控设备的组合结构及可穿戴设备 Download PDF

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Publication number
WO2023019534A1
WO2023019534A1 PCT/CN2021/113645 CN2021113645W WO2023019534A1 WO 2023019534 A1 WO2023019534 A1 WO 2023019534A1 CN 2021113645 W CN2021113645 W CN 2021113645W WO 2023019534 A1 WO2023019534 A1 WO 2023019534A1
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WO
WIPO (PCT)
Prior art keywords
structure according
glass cover
touch
flexible circuit
circuit board
Prior art date
Application number
PCT/CN2021/113645
Other languages
English (en)
French (fr)
Inventor
冷虎
许红波
Original Assignee
广东高驰运动科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东高驰运动科技有限公司 filed Critical 广东高驰运动科技有限公司
Priority to CN202180099960.6A priority Critical patent/CN117581185A/zh
Priority to PCT/CN2021/113645 priority patent/WO2023019534A1/zh
Publication of WO2023019534A1 publication Critical patent/WO2023019534A1/zh
Priority to US18/526,756 priority patent/US20240103661A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/08—Touch switches specially adapted for time-pieces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

Definitions

  • the invention relates to the field of intelligent touch technology, in particular to a combined structure of a touch device and a wearable device.
  • a platform structure is usually provided on the inner circle of the bezel to receive the glass cover.
  • the glass cover is located on the platform as a whole.
  • the touch circuit layer is usually glued to the back of the glass cover and connected to the main board through a flexible circuit (TP).
  • TP flexible circuit
  • the existing technology reduces the space for bending by increasing the junction area between the TP and the touch circuit layer, but on the one hand, this technology will cause the junction area of the touch circuit layer to become larger, making the black border of the final screen display larger , which affects the user experience; on the other hand, due to the short bending section, the flexible circuit board is prone to breakage, resulting in equipment failure.
  • One aspect of the present invention provides a combined structure of a touch device, including: an annular outer frame; a glass cover plate, the glass cover plate is located in the middle area of the annular outer frame and is connected to the annular outer frame;
  • the control circuit board, the flexible circuit connected to the touch circuit board, and the main board connected to the flexible circuit are all arranged under the glass cover; wherein, the lower end of the annular outer frame is provided with a groove, so that The groove is used to accommodate the flexible circuit, and the bottom surface of the glass cover has a stepped structure.
  • the bottom surface of the stepped structure is lower than or flush with the top surface of the groove.
  • a platform is provided on the annular outer frame, and the glass cover plate is built on the platform.
  • the touch control circuit board includes a wiring area, wherein the wiring area is an electrical connection area between the touch control circuit board and the flexible circuit.
  • all the wiring areas are located under the platform.
  • the wiring area is at least partially located under the platform.
  • all the wiring areas are located below the intermediate space enclosed by the platform.
  • the wiring region is at least partially located in the groove.
  • the stepped structure includes a circular ring, and the touch circuit board is located below the circular ring.
  • the outer wall of the ring fits with the side surface of the platform.
  • the flexible circuit is connected to the top surface of the groove.
  • the flexible circuit is connected to the bottom surface of the ladder structure and/or the touch circuit board.
  • a sealing ring is provided between the glass cover plate and the annular outer frame.
  • the sealing ring is L-shaped, and the L-shaped sealing ring includes a vertical part and a horizontal part, and the vertical part is located at the bearing between the glass cover plate and the annular outer frame. Above the platform, the horizontal portion is located between the platform and the glass cover.
  • the glass cover plate and/or the stepped structure include one or more layers of glass.
  • the ladder structure includes an adhesive layer with a first thickness
  • the touch circuit board is located under the ladder structure and connected to the adhesive layer.
  • a mounting portion is provided on a side wall of the groove, and the mounting portion is used to limit the flexible circuit.
  • the width of the annular outer frame gradually increases from top to bottom.
  • the width of the groove gradually increases from top to bottom.
  • Another aspect of the embodiments of the present invention provides a wearable device, including the combined structure of any one of the touch devices described above.
  • the combined structure of the touch device and the wearable device in the embodiment of the present invention overcome the problem that the black border of the final screen display is enlarged due to the enlarged joint area of the control circuit board, and the touch screen function is easy to malfunction, thereby affecting the user.
  • Experience and other issues can greatly reduce the contact area between the flexible circuit and the touch circuit board, reduce the width of the black border, improve the reliability of the device, and improve the user experience.
  • FIG. 1 is a partial structural diagram of a combined structure of a touch device according to the present invention.
  • FIG. 2 is a cross-sectional view of a combined structure of a touch device according to the present invention.
  • ring frame 10 ring frame 10, groove 11, platform 12, glass cover 20, stepped structure 21, touch circuit board 30, wiring area 31, flexible circuit 40, sealing ring 50, first bonding area 60, The second bonding area 70 .
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means two or more, unless otherwise specifically defined.
  • an embodiment of the present invention provides a combination structure of a touch device, including: an annular outer frame 10; And connected with the annular outer frame 10; the touch circuit board 30, the flexible circuit 40 connected to the touch circuit board 30, and the main board connected to the flexible circuit 40 are all arranged under the glass cover plate 20; wherein, the annular outer frame 10 A groove 11 is provided at the lower end, and the groove 11 is at least used for accommodating the flexible circuit 40 , and the bottom surface of the glass cover 20 has a stepped structure 21 .
  • a groove 11 is designed inside the annular outer frame 10, which leaves enough bending area for the flexible circuit 40, increases the area of the flexible circuit 40 outside the touch circuit board, and reduces the area of the flexible circuit 40. 40 and the contact area of the touch circuit board 30.
  • the bottom surface of the glass cover 20 has a stepped structure 21. Due to the existence of the stepped structure 21, the touch circuit board 30 arranged under the glass cover 20 can have ample space from the ring-shaped outer frame 10. The middle area extends toward the groove 11 , and similarly, the connection area between the flexible circuit 40 and the glass cover 20 can also extend toward the groove 11 , so as to reduce black edges more effectively and improve user experience.
  • the bottom surface of the stepped structure 21 is higher than the top surface of the groove 11, and the touch circuit board 30 is closely combined with the stepped structure 21, thereby reducing the longitudinal height from the flexible circuit 40 on the stepped structure 21 to the groove 11 , so that the connection between the flexible circuit 40 and the touch circuit board 30 is more firm.
  • the bottom surface of the stepped structure 21 is lower than or flush with the top surface of the groove 11 .
  • the stepped structure 21 on the bottom surface of the glass cover 20 is lower than the top surface of the groove 11 or flush with the top surface of the groove 11, so that the touch circuit board 30 arranged under the stepped structure 21 does not need to be bent and set. That is, there can be ample space extending from the middle area of the ring frame 10 to the groove 11 area, and the bending of the flexible circuit along the direction of the touch circuit board 30 is reduced.
  • the connection area of 20 can also extend to the area of the groove 11, so as to reduce black edges more effectively and improve user experience.
  • the annular outer frame 10 in the embodiment of the present invention can be a quasi-circular outer frame, and can also be a regular polygonal annular outer frame 10 such as a rectangle or a square, or an irregular polygonal outer frame;
  • the groove 11 can be a rectangular polygon groove 11, or specific shapes such as arc groove 11;
  • this combined structure can be applied to smart touch devices such as smart watches or smart phones.
  • the smart phone can have a rectangular outer frame, and of course it can also be applied to more different devices in other specific shapes, and the embodiments of the present invention will not elaborate here one by one.
  • the direction from the touch circuit board 30 to the main board is determined as downward, and vice versa as upward.
  • the flexible circuit 40 and the main board are located under the glass cover 20 , not directly below it, as long as they are lower than the glass cover 20 in the vertical direction.
  • the glass cover 20 is covered on the top, the touch circuit board 30, the display function layer, and the main board are arranged in sequence from top to bottom, and the touch circuit board under the glass cover 20 30 is connected to the flexible circuit 40 at the edge, and the flexible circuit 40 is bent through the groove 11 and then connected to the main board.
  • a platform 12 is provided on the annular outer frame 10 , and the glass cover plate 20 is built on the platform 12 .
  • the stepped structure 21 is located in the middle space enclosed by the platform 12 .
  • the bearing platform 12 by setting the bearing platform 12 on the annular outer frame 10, on the one hand, it can be used to carry the glass cover plate 20, and on the other hand, it can also be used to extend the flexible circuit 40 under the bearing platform 12, which solves the problem of existing In the technology, the bent section of the flexible circuit 40 is too close to the bonding area with the touch circuit board 30 , and the short bent section causes the flexible circuit 40 to break or the flexible circuit 40 to fall off from the touch circuit board 30 .
  • the bearing platform 12 can be an integral ring bearing platform 12 ; it can also be a plurality of protrusions, which jointly bear the glass cover plate 20 .
  • the touch circuit board 30 includes a wiring area 31 , wherein the wiring area 31 is an electrical connection area between the touch circuit board 30 and the flexible circuit 40 .
  • the touch circuit board 30 is connected to the flexible circuit 40 at the edge, and the connection part is usually located directly under the glass cover 20.
  • a black opaque material is used for shielding. resulting in black borders.
  • the connection area between the touch circuit board 30 and the flexible circuit 40 that is, the wiring area 31 is at least partially located under the support platform 12 .
  • part of the touch circuit board 30 can be arranged under the platform 12. For example, when the platform 12 is ring-shaped, the touch circuit board 30 can be arranged at any position directly below the ring platform 12.
  • the flexible circuit 40 can also choose to be connected to the touch circuit board 30 at a position directly under the ring platform 12, that is, the wiring area 31 is completely hidden under the platform 12;
  • the directly below is connected to the touch circuit board 30, and the part is connected to the touch circuit board 30 under the glass cover 20 or other positions, that is, the wiring area 31 is partially hidden under the platform 12; Reducing the connection area, that is, the exposed area of the wiring area 31 under the glass cover 20 can effectively reduce the width of the black border and improve user experience.
  • connection area between the flexible circuit 40 and the touch circuit board 30 can also be set under the platform 12, that is, the wiring area 31 is all arranged directly under the platform 12 or Some are arranged directly below the bearing platform 12 to reduce black edges.
  • the connection area between the touch circuit board 30 and the flexible circuit 40 is at least partially located in the groove 11 .
  • the touch circuit board 30 can be moved from below the glass cover 20 to be arranged in the area of the groove 11 .
  • the flexible circuit 40 can be connected to the touch circuit board 30 in the area of the groove 11 ; when the combined structure includes the platform 12 , it can also be partly connected under the platform 12 and partly connected in the groove 11 .
  • the wiring area 31 is entirely located in the groove 11 , so that the wiring area 31 cannot be seen at all within the user's visible range through the glass cover, and a design without black borders is realized.
  • the wiring area 31 may also be entirely located under the intermediate space enclosed by the platform 12 .
  • a sealing ring 50 is provided between the glass cover plate 20 and the annular outer frame 10 .
  • the sealing ring 50 fixes the glass cover plate 20 on the annular outer frame 10 by bonding or interference fit, so as to play the role of sealing and waterproofing.
  • the sealing ring 50 is L-shaped, and the L-shaped sealing ring 50 includes a vertical part and a horizontal part. It is located between the platform 12 and the glass cover 20 . Since the sealing ring 50 is not in contact with the touch circuit board 30 and is assembled stably, it does not affect the realization of the touch function.
  • the glass cover 20 includes one or more layers of glass.
  • the lower end of the glass cover plate 20 can be integrally processed into a stepped structure 21 that cooperates with the platform 12;
  • the connection is carried out through an adhesive layer, etc.
  • the upper glass layer has a larger diameter for erecting on the platform 12, while the glass layer that forms the stepped structure 21 that cooperates with the platform 12 has a smaller diameter to realize the glass layer.
  • the stepped structure 21 includes a circular ring, and the touch circuit board 30 is disposed under the circular ring.
  • the ring can be a glass ring or a glue ring, and a touch circuit board 30 is arranged under the ring to realize the touch function.
  • the middle area surrounded by the ring can be partially or completely filled with conductive glue; specifically, when the outer ring of the ring is made of glass ring, the inner ring is filled with conductive glue, so that the middle area of the ring is filled with conductive glue
  • the touch function can also be realized at the position.
  • the touch circuit board 30 can be arranged under the entire glass cover 20 and the ring; it can also be arranged only at the part under the ring, and the touch function can be realized only in this ring area; It is arranged in other areas of the glass cover 20, for example, part is arranged in the middle area enclosed by the ring, and part is arranged under the ring, so as to realize the touch control requirements of specific areas.
  • the outer wall of the ring fits with the side surface of the platform 12 .
  • the bearing platform 12 is a stepped shape in which the stepped structure 21 and the ring are matched correspondingly. side of the platform 12, or be connected to it by bonding or other methods.
  • the stepped structure 21 includes an adhesive layer with a first thickness
  • the touch circuit board 30 is located under the stepped structure 21 and connected to the adhesive layer.
  • the first thickness of the adhesive layer can be set according to specific needs.
  • the touch circuit board 30 and the flexible circuit 40 connected thereto can be moved up and down in the vertical direction, so that The bottom surface of the stepped structure 21 is lower than the top surface of the groove 11 or is flush with the top surface of the groove 11, so that the touch circuit board 30 arranged under the stepped structure 21 can have ample space from the middle area of the ring frame 10
  • the arrangement is extended to the area of the groove 11.
  • the connection area between the flexible circuit 40 and the ladder structure 21 can also extend to the area of the groove 11, so as to reduce black edges more effectively and improve user experience.
  • the stepped structure 21 can be in other shapes, such as regular shapes such as triangles and quadrilaterals, or irregular shapes, and the stepped structure 21 can be integrated or composed of multiple parts, such as half Half circle glass, the other half is half circle glass and so on.
  • the bottom surface of the stepped structure 21 may be flat, inclined or uneven.
  • a groove 11 can be provided at the bottom of the annular outer frame 10 to obtain a larger width space, because the width of the lower part of the annular outer frame 10 Larger, the groove 11 is arranged in the lower part, on the one hand, it does not affect the structural strength of the annular outer frame 10, and on the other hand, it leaves enough bending area for the flexible circuit 40, which can greatly reduce the size of the flexible circuit 40.
  • the contact area with the touch circuit board 30, that is, the area of the joint area is greatly reduced.
  • the outer wall of the ring-shaped outer frame 10 can be arc-shaped and the width gradually increases from top to bottom;
  • the trapezoidal structure can be a trapezoidal structure, or a structure similar to a trapezoidal shape, for example, one or more sides thereof are curved lines, composed of five or more line segments or curved lines, etc.; of course, the annular outer frame 10 can also be other The specific shape of the bottom wide and the top narrow, the embodiment of the present invention does not enumerate one by one here.
  • the width of the groove 11 gradually increases from top to bottom. Then, the touch circuit board 30 and the flexible circuit 40 can be moved down by adjusting the thickness of the adhesive layer, or the thickness or number of layers of the glass cover 20, so as to obtain more space for the groove 11 for bending. , help to greatly reduce the contact area between the flexible circuit 40 and the touch circuit board 30, thereby reducing the width of the black border and improving user experience.
  • the flexible circuit 40 is connected to the top surface of the groove 11 .
  • the flexible circuit 40 can be installed by installing a mounting member on the groove 11, or the flexible circuit 40 can be connected to the top of the groove 11 by bonding or other methods, so as to guide and limit the flexible circuit 40.
  • a mounting portion is provided on a side wall of the groove 11 , and the mounting portion is used to limit the flexible circuit 40 .
  • the installation part can be a limit slot, or a specific structure such as a limit clip, or a part where the flexible circuit is preset to be installed, or another specific structure.
  • the specific structure is listed, as long as it can be used to help arrange the flexible circuit 40 so that it is not easy to be displaced and affect the stable assembly.
  • the flexible circuit 40 is connected to the bottom surface of the touch circuit board 30 and/or the ladder structure 21 . Specifically, it can be connected by bonding or other methods. In the embodiment of the present invention, the area where the flexible circuit 40 is connected to the bottom surface of the touch circuit board 30 and/or the stepped structure 21 is determined as the first bonding area 60, and the area where the flexible circuit 40 is connected to the groove 11 is determined as the second joint area. junction area 70 . In the embodiment of the present invention, the flexible circuit 40 can also be connected to the groove 11 at the same time, such as connected to the mounting part of the groove 11, so that the flexible circuit 40 can be connected to the bottom surface of the touch circuit board 30 and/or the stepped structure 21.
  • the bonding of the first bonding area 60 is realized, and the flexible circuit 40 and the groove 11 are realized.
  • Such multi-region bonding can fully ensure the bonding strength of the assembly structure.
  • the flexible circuit 40 moves due to factors such as external force, only the flexible circuit 40 in the groove 11 is first affected, and the connection area between it and the touch circuit board 30 can be sufficiently stable.
  • the wiring area 31 is all located in the groove 11 , the combined structure may not have the combination of the first bonding area 60 , but only the bonding of the flexible circuit 40 and the groove 11 at the mounting portion.
  • the wearable device can be a mobile phone, a watch, and other wearable devices.
  • the wearable device When the wearable device is a mobile phone, it also includes other components such as a processor, a battery, and a communication module; and when the wearable device is a watch, it also includes Such as batteries, watch straps and other devices.
  • a mobile phone When the wearable device is a mobile phone, it also includes other components such as a processor, a battery, and a communication module; and when the wearable device is a watch, it also includes Such as batteries, watch straps and other devices.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electric Clocks (AREA)
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Abstract

本发明提供了一种触控设备的组合结构及可穿戴设备，其中，组合结构包括：环形外框；玻璃盖板，所述玻璃盖板位于所述环形外框的中间区域，并与所述环形外框连接；触控线路板、连接于所述触控线路板的柔性线路、以及连接于所述柔性线路的主板均设于所述玻璃盖板下方；其中，所述环形外框的下端设有凹槽，所述凹槽用于容置所述柔性线路，所述玻璃盖板的底面具有阶梯结构。本发明还公开了一种可穿戴设备。本发明的组合结构能够大大减小柔性线路和触控线路板的接触面积，从而减少黑边宽度，并且提升了设备的可靠性，改善了用户体验。

Description

一种触控设备的组合结构及可穿戴设备 技术领域
本发明涉及智能触控技术领域，特别涉及一种触控设备的组合结构及可穿戴设备。
 背景技术
智能可穿戴设备，特别是智能手表，为了使面框和玻璃盖板易于接合，通常在面框的内圈设置一平台结构用以承接玻璃盖板。通常情况下，玻璃盖板整体位于上述平台之上。为了增加手表的触屏功能，往往需要在玻璃盖板的背面添加一触控线路层，该触控线路层通常经由胶水粘贴在玻璃盖板的背面，并且通过一柔性线路（TP）连接到主板，通常情况下，TP至少需要经过一道弯折绕过显示功能层，才能连接到主板。
现有技术通过增大TP与触控线路层的接合区，从而减小弯折的空间，但是一方面该技术会导致触控线路层的接合区变大，使得最终屏幕显示的黑边加大，影响了用户体验；另一方面，由于弯折段偏短，柔性电路板容易出现断裂，从而发生设备失灵的现象。
 技术解决方案
本发明一方面提供了一种触控设备的组合结构，包括：环形外框；玻璃盖板，所述玻璃盖板位于所述环形外框的中间区域，并与所述环形外框连接；触控线路板、连接于所述触控线路板的柔性线路、以及连接于所述柔性线路的主板均设于所述玻璃盖板下方；其中，所述环形外框的下端设有凹槽，所述凹槽用于容置所述柔性线路，所述玻璃盖板的底面具有阶梯结构。
在一可实施方式中，所述阶梯结构的底面低于所述凹槽的顶面或与所述凹槽的顶面齐平。
在一可实施方式中，所述环形外框上设有承台，所述玻璃盖板搭设在所述承台上。
在一可实施方式中，所述触控线路板包括布线区，其中，所述布线区为所述触控线路板与所述柔性线路的电连接区域。
在一可实施方式中，所述布线区全部位于所述承台下方。
在一可实施方式中，所述布线区至少部分位于所述承台下方。
在一可实施方式中，所述布线区全部位于由所述承台围合的中间空间下方。
在一可实施方式中，所述布线区至少部分位于所述凹槽内。
在一可实施方式中，所述阶梯结构包括圆环，所述触控线路板位于所述圆环下方。
在一可实施方式中，所述圆环的外壁与所述承台的侧面相配合。
在一可实施方式中，所述柔性线路与所述凹槽的顶面相连接。
在一可实施方式中，所述柔性线路与所述阶梯结构的底面和/或所述触控线路板相连接。
在一可实施方式中，所述玻璃盖板与所述环形外框之间设有密封环。
在一可实施方式中，所述密封环为L形，所述L形密封环包括竖直部和水平部，所述竖直部位于所述玻璃盖板与所述环形外框之间的承台上方，所述水平部位于所述承台与所述玻璃盖板之间。
在一可实施方式中，所述玻璃盖板和/或所述阶梯结构包括一层或多层玻璃。
在一可实施方式中，所述阶梯结构包括第一厚度的粘结胶层，所述触控线路板位于所述阶梯结构下并与所述粘结胶层进行连接。
在一可实施方式中，所述凹槽的侧壁上设有安装部，所述安装部用于对所述柔性线路进行限位。
在一可实施方式中，所述环形外框的宽度自上向下逐渐增大。
在一可实施方式中，所述凹槽的宽度自上向下逐渐增大。
本发明实施例另一方面提供一种可穿戴设备，包括上述中任一项所述的触控设备的组合结构。
 有益效果
本发明实施例的触控设备的组合结构及可穿戴设备，克服了由于控线路板的接合区变大，使得最终屏幕显示的黑边加大，并且导致触屏功能容易失灵，从而影响了用户体验等问题，能够大大减小柔性线路和触控线路板的接触面积，减少黑边宽度，提升了设备的可靠性，改善了用户体验。
 附图说明
通过参考附图阅读下文的详细描述，本申请示例性实施方式的上述以及其他目的、特征和优点将变得易于理解。在附图中，以示例性而非限制性的方式示出了本申请的若干实施方式，其中：在附图中，相同或对应的标号表示相同或对应的部分。
图1为本发明一种触控设备的组合结构的局部结构图。
图2为本发明一种触控设备的组合结构的剖面图。
附图标号：环形外框10、凹槽11、承台12、玻璃盖板20、阶梯结构21、触控线路板30、布线区31、柔性线路40、密封环50、第一接合区60、第二接合区70。
 本发明的实施方式
为使本申请的目的、特征、优点能够更加的明显和易懂，下面将结合本申请实施例中的附图，对本申请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申请一部分实施例，而非全部实施例。基于本申请中的实施例，本领域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，都属于本申请保护的范围。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
以下示例性实施例中所描述的实施方式并不代表与本说明书相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本说明书中的一些方面相一致的方法、装置或设备的例子。
现有的可穿戴设备中由于触控线路层紧贴玻璃盖板的背部，且玻璃盖板抵扣在面框内圈的平台上，使得垂直方向上柔性线路弯折段与面框的结构相互阻碍，进而现有技术增大柔性线路与触控线路层的接合区，减小弯折段的空间，所导致的触控线路层的接合区变大，使得最终屏幕显示的黑边加大，影响了用户体验且触屏功能容易失灵。本发明实施例提供一种触控设备的组合结构，下面结合附图与实施例对本发明作进一步说明。
请参考图1和图2，本发明实施例一方面提供了一种触控设备的组合结构，包括：环形外框10；玻璃盖板20，玻璃盖板20位于环形外框10的中间区域，并与环形外框10连接；触控线路板30、连接于触控线路板30的柔性线路40、以及连接于柔性线路40的主板均设于玻璃盖板20下方；其中，环形外框10的下端设有凹槽11，凹槽11至少用于容置柔性线路40，玻璃盖板20的底面具有阶梯结构21。
本发明实施例中，在环形外框10内部设计有凹槽11，给柔性线路40留出了足够的弯折区域，增大了柔性线路40在触控线路板外的区域，减小柔性线路40和触控线路板30的接触面积。且本发明实施例中，玻璃盖板20的底面具有阶梯结构21，由于阶梯结构21的存在，使得设于玻璃盖板20下的触控线路板30得以有富裕的空间从环形外框10的中间区域向凹槽11区域延伸布置，同样的，柔性线路40与玻璃盖板20的连接区域也可以向凹槽11区域延伸，从而更有效的减少黑边，提升用户体验。
在一些实施例中，阶梯结构21的底面高于凹槽11的顶面，触控线路板30与阶梯结构21紧密结合，从而减小了阶梯结构21上柔性线路40到凹槽11的纵向高度，使得柔性线路40与触控线路板30的连接更为牢固。
在一些实施例中，阶梯结构21的底面低于凹槽11的顶面或与凹槽11的顶面齐平。玻璃盖板20的底面的阶梯结构21，其底面低于凹槽11的顶面或与凹槽11的顶面齐平，使得设于阶梯结构21下的触控线路板30无需弯折设置，即可以有富裕的空间从环形外框10的中间区域向凹槽11区域延伸布置，并且减少了柔性线路在沿触控线路板30方向上的弯折，同样的，柔性线路40与玻璃盖板20的连接区域也可以向凹槽11区域延伸，从而更有效的减少黑边，提升用户体验。
具体的，本发明实施例中的环形外框10可以为类圆形外框，也可以为如长方形、正方形等规则多边环形外框10或不规则多边形外框；凹槽11可以为一直角多边形凹槽11，或弧形凹槽11等具体形状；该组合结构可以应用于智能手表或智能手机等的智能触控设备，当应用于智能手表时可以为圆环形外框10，而应用于智能手机上时可以为长方形外框，当然还可以以其他具体形状应用于更多不同设备，本发明实施例在此不进行一一阐述。本发明实施例中，将自触控线路板30朝向主板方向确定为下方，反之为上方。其中，本发明实施例中的柔性线路40和主板位于玻璃盖板20下方并非特指位于其正下方，只要是在垂直方向上相较于玻璃盖板20更低即可。
具体的，该触控设备组成结构中，玻璃盖板20盖于上方，触控线路板30、显示功能层、以及主板按序自上而下布置，位于玻璃盖板20下方的触控线路板30于边缘处与柔性线路40连接，柔性线路40通过凹槽11弯折后连接至主板。
在一可实施方式中，环形外框10上设有承台12，玻璃盖板20搭设在承台12上。阶梯结构21位于承台12围合的中间空间。
本发明实施例中，通过在环形外框10上设置承台12，一方面可以用于搭载玻璃盖板20，另一方面也可以用于在承台12下延伸柔性线路40，解决了现有技术中柔性线路40的弯折段过于靠近其与触控线路板30接合区，弯折段偏短所导致的容易出现柔性线路40板断裂或柔性线路40从触控线路板30上脱落的问题。其中，承台12可以为一体的环形承台12；也可以为多个凸起，共同承载玻璃盖板20。
在一可实施方式中，触控线路板30包括布线区31，其中，布线区31为触控线路板30与柔性线路40的电连接区域。
在现有技术中，触控线路板30于边缘与柔性线路40连接，该连接部分通常直接位于玻璃盖板20正下方，为了遮挡布线区31以及柔性电路40，从而使用黑色不透明材质进行遮挡，从而造成黑边。而在本发明实施例的一可实施方式中，触控线路板30与柔性线路40的连接区域，也即布线区31至少部分位于承台12下方。具体的，本发明实施例中，可以将触控线路板30部分设于承台12下方，如当承台12为环形时，触控线路板30可以设置于环形承台12正下方任意位置，柔性线路40也可以选择完全在环形承台12正下方的位置与触控线路板30相连接，也即布线区31完全隐藏在承台12下方；当然柔性线路40也可以部分在环形承台12正下方与触控线路板30连接，部分在玻璃盖板20下或其他位置与触控线路板30连接，也即布线区31部分隐藏在承台12下方；但无论哪一种方式都能够大大减少该连接区域，也即布线区31在玻璃盖板20下的暴露区域，有效减少黑边宽度，提升用户体验。同样的，当承台12为多个凸起时，也可以将柔性线路40与触控线路板30的连接区域设置在承台12下方，也即布线区31全部设置在承台12正下方或部分设置在承台12正下方以减少黑边。
在一可实施方式中，触控线路板30与柔性线路40的连接区域，也即布线区31至少部分位于凹槽11内。本发明实施例中，触控线路板30可以自玻璃盖板20下方移至布置到凹槽11区域。具体的，柔性线路40可以在凹槽11区域与触控线路板30相连接；当组合结构中包括有承台12时，也可以部分连接在承台12下方，部分连接在凹槽11内。在一可实施方式中，布线区31全部位于凹槽11内，从而在用户的通过玻璃盖板的可视范围内完全无法看到布线区31，实现无黑边设计。
在一些实施例中，布线区31也可以全部位于由承台12所围合的中间空间下方。
在一可实施方式中，玻璃盖板20与环形外框10之间设有密封环50。密封环50通过粘结或过盈配合的方式将玻璃盖板20固定在环形外框10上，起到密封防水的作用。
在一可实施方式中，密封环50为L形，L形密封环50包括竖直部和水平部，竖直部位于玻璃盖板20与环形外框10之间的承台12上方，水平部位于承台12与玻璃盖板20之间。由于密封环50不与触控线路板30接触，且装配稳定，不影响触控功能的实现。
在一可实施方式中，玻璃盖板20包括一层或多层玻璃。当玻璃盖板20为一层时，可以将该玻璃盖板20下端一体加工出与承台12配合的阶梯结构21；当玻璃盖板20或阶梯结构21为多层时，多层玻璃之间通过粘结胶层等进行连接，具体的，上端玻璃层直径较大用于搭设在承台12上，而与承台12配合的构成阶梯结构21的玻璃层则直径较小，以实现玻璃层侧面与承台12的稳定安装，并且配合触控线路板30安装。
在一可实施方式中，阶梯结构21包括圆环，触控线路板30设置在圆环下方。本发明实施例中，圆环可以为玻璃圆环或胶水圆环，圆环下设置有触控线路板30以实现触控功能。其中，圆环所围合的中间区域可以部分或全部填充导电胶；具体如当圆环外圈采用玻璃圆环时，内圈通过导电胶进行填充，这样使得圆环中间区域在填充有导电胶的位置上也能够实现触控功能。具体的，触控线路板30可以设置在整个玻璃盖板20及圆环下；也可以只设置圆环下的部分，仅在这一圆环区域可实现触控功能；还可以根据具体需求部分设置在玻璃盖板20其他区域，如部分设置在圆环围合的中间区域，部分设置在圆环下方，以实现具体区域的触控需求。
在一可实施方式中，圆环的外壁与承台12的侧面相配合。本发明实施例中，承台12为阶梯结构21和圆环相对应配合的台阶状，玻璃盖板20上端搭设在承台12的水平台面上，而圆环的外壁可以抵触连接在承台12的侧面，或通过粘接等方式与其进行连接，当然，圆环外壁与承台12侧面之间也可以留有空隙，只要能够实现稳定装配，且不影响触控功能即可。
在一可实施方式中，阶梯结构21包括第一厚度的粘结胶层，触控线路板30位于阶梯结构21下并与粘结胶层进行连接。具体的，粘结胶层的第一厚度可以根据具体需要进行设置，通过调节粘结胶层的第一厚度可以将触控线路板30及其连接的柔性线路40在垂直方向上下移，从而使阶梯结构21的底面低于凹槽11的顶面或与凹槽11的顶面齐平，进而设于阶梯结构21下的触控线路板30得以有富裕的空间从环形外框10的中间区域向凹槽11区域延伸布置，同样的，柔性线路40与阶梯结构21的连接区域也可以向凹槽11区域延伸，从而更有效的减少黑边，提升用户体验。
在一可实施方式中，阶梯结构21可以是其它形状，例如三角形、四边形等规则形状，也可以是非规则形状，阶梯结构21可以为一体的，也可以是由多个部分组成的，例如一半是半圆形玻璃，另一半是半圆环玻璃等等。阶梯结构21的底面可以是平整的，也可是倾斜或者不平整的。
在一可实施方式中，由于环形外框10的宽度自上向下逐渐增大，因此可以在环形外框10的下部设置凹槽11以获取更大的宽度空间，因为环形外框10下部宽度较大，将凹槽11设置在下部的这一方式，一方面不影响环形外框10的结构强度，另一方面给柔性线路40留出了足够的弯折区域，可以大大减小柔性线路40和触控线路板30的接触面积，即大大减小其接合区的面积。具体的，环形外框10的外侧壁可以呈弧形且宽度自上向下逐渐增大；也可以呈直线形且从上到下宽度逐渐增大，也即大体呈现一类梯形的结构，类梯形结构可以是梯形结构，也可以是跟梯形较为相似的结构，例如其中的一个或者多个边为曲线，由五条或者更多条线段或者曲线组成等等；当然环形外框10还可以为其他下宽上窄的具体形状，本发明实施例在此不一一列举。
且在一可实施方式中，凹槽11的宽度自上向下逐渐增大。那么便可以通过调节粘结胶层的厚度，或玻璃盖板20的厚度或层数等方式使触控线路板30和柔性线路40下移，以获得更充裕的凹槽11空间用于弯折，有助于大大减小柔性线路40和触控线路板30的接触面积，从而减少黑边宽度，提升用户体验。
在一可实施方式中，柔性线路40与凹槽11的顶面相连接。具体可以通过在凹槽11上设置安装构件来安装柔性线路40的方式，或者通过粘接等方式来将柔性线路40连接在凹槽11顶部，用于对柔性线路40进行线路导引和限位保护。
在一可实施方式中，凹槽11的侧壁上设有安装部，安装部用于对柔性线路40进行限位。具体的，安装部可以为限位槽，也可以为限位卡件等具体结构，还可以为预设安装柔性线路的部位，又或者为其他具体结构，本发明实施例在此不对安装部的具体结构进行列举，只要能够用于帮助安置柔性线路40使其不易发生位移影响稳固装配即可。
在一可实施方式中，柔性线路40与触控线路板30和/或阶梯结构21的底面相连接。具体可以通过粘接或其他方式进行连接。本发明实施例将柔性线路40与触控线路板30和/或阶梯结构21的底面相连接的区域确定为第一接合区60，将柔性线路40与凹槽11相连接的区域确定为第二接合区70。本发明实施例中，柔性线路40也可以同时与凹槽11进行连接，如连接在凹槽11的安装部上，这样，柔性线路40与触控线路板30和/或阶梯结构21的底面实现了第一接合区60的接合，柔性线路40与凹槽11实现了，这样的多区域接合能充分保证该装配结构的接合强度。另外，即使由于外力等因素造成了柔性线路40的运动，首先受到影响的也只是位于凹槽11中的柔性线路40，而其与触控线路板30的连接区域能够得以保证充分的稳定。在一可实施方式中，由于布线区31全部位于凹槽11内，该组合结构可以不具有第一接合区60的结合，而只有柔性线路40与凹槽11在安装部的接合。
本发明实施例另一方面提供一种可穿戴设备，包括上述实施例中任一实施方式的触控设备的组合结构。具体的，该可穿戴设备可以为手机、手表等可穿戴设备，当可穿戴设备为手机时，还包括处理器、电池以及通信模块等其他组成部分；而当可穿戴设备为手表时，还包括如电池、表带等装置。本可穿戴设备的组合结构具体可以参考上述实施例内容，本发明实施例在此不再重复阐述。
本发明实施例中，多个步骤之间的实现顺序在不影响实现目的的情况下可以替换。上述装置及计算机可读存储介质的具体实现技术手段及效果请参考方法实施例。
以上，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (20)

  1. 一种触控设备的组合结构，其特征在于， 包括：
    环形外框；
    玻璃盖板，所述玻璃盖板位于所述环形外框的中间区域，并与所述环形外框连接；
    触控线路板、连接于所述触控线路板的柔性线路、以及连接于所述柔性线路的主板均设于所述玻璃盖板下方；
    其中，所述环形外框的下端设有凹槽，所述凹槽用于容置所述柔性线路，所述玻璃盖板的底面具有阶梯结构。
  2. 根据权利要求1所述的组合结构，其特征在于，所述阶梯结构的底面低于所述凹槽的顶面或与所述凹槽的顶面齐平。
  3. 根据权利要求1所述的组合结构，其特征在于，所述环形外框上设有承台，所述玻璃盖板搭设在所述承台上。
  4. 根据权利要求3所述的组合结构，其特征在于，所述触控线路板包括布线区，其中，所述布线区为所述触控线路板与所述柔性线路的电连接区域。
  5. 根据权利要求4所述的组合结构，其特征在于，所述布线区全部位于所述承台下方。
  6. 根据权利要求4所述的组合结构，其特征在于，所述布线区至少部分位于所述承台下方。
  7. 根据权利要求4所述的组合结构，其特征在于，所述布线区全部位于由所述承台围合的中间空间下方。
  8. 根据权利要求4所述的组合结构，其特征在于，所述布线区至少部分位于所述凹槽内。
  9. 根据权利要求3所述的组合结构，其特征在于，所述阶梯结构包括圆环，所述触控线路板位于所述圆环下方。
  10. 根据权利要求9所述的组合结构，其特征在于，所述圆环的外壁与所述承台的侧面相配合。
  11. 根据权利要求1所述的组合结构，其特征在于，所述柔性线路与所述凹槽的顶面相连接。
  12. 根据权利要求1或11所述的组合结构，其特征在于，所述柔性线路与所述阶梯结构的底面和/或所述触控线路板相连接。
  13. 根据权利要求1所述的组合结构，其特征在于，所述玻璃盖板与所述环形外框之间设有密封环。
  14. 根据权利要求13所述的组合结构，其特征在于，所述密封环为L形，所述L形密封环包括竖直部和水平部，所述竖直部位于所述玻璃盖板与所述环形外框之间的承台上方，所述水平部位于所述承台与所述玻璃盖板之间。
  15. 根据权利要求1-14中任一项所述的组合结构，其特征在于，所述玻璃盖板和/或所述阶梯结构包括一层或多层玻璃。
  16. 根据权利要求1-15中任一项所述的组合结构，其特征在于，所述阶梯结构包括第一厚度的粘结胶层，所述触控线路板位于所述阶梯结构下并与所述粘结胶层进行连接。
  17. 根据权利要求1-16中任一项所述的组合结构，其特征在于，所述凹槽的侧壁上设有安装部，所述安装部用于对所述柔性线路进行限位。
  18. 根据权利要求1-17中任一项所述的组合结构，其特征在于，所述环形外框的宽度自上向下逐渐增大。
  19. 根据权利要求1-18中任一项所述的组合结构，其特征在于，所述凹槽的宽度自上向下逐渐增大。
  20. 一种可穿戴设备，其特征在于，包括权利要求1-19中任一项所述的触控设备的组合结构。
PCT/CN2021/113645 2021-08-19 2021-08-19 一种触控设备的组合结构及可穿戴设备 WO2023019534A1 (zh)

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CN105158999A (zh) * 2015-09-18 2015-12-16 武汉华星光电技术有限公司 显示面板及电子产品
KR20160002565A (ko) * 2014-06-30 2016-01-08 엘지디스플레이 주식회사 터치스크린 일체형 표시장치 및 이의 제조방법
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CN204086831U (zh) * 2014-10-20 2015-01-07 深圳市八时区科技有限公司 一种智能手表的表镜安装结构
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