WO2019127163A1 - 曲面触控感应装置及其成型方法 - Google Patents

曲面触控感应装置及其成型方法 Download PDF

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Publication number
WO2019127163A1
WO2019127163A1 PCT/CN2017/119147 CN2017119147W WO2019127163A1 WO 2019127163 A1 WO2019127163 A1 WO 2019127163A1 CN 2017119147 W CN2017119147 W CN 2017119147W WO 2019127163 A1 WO2019127163 A1 WO 2019127163A1
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Prior art keywords
curved
injection
touch
base body
molding method
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PCT/CN2017/119147
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English (en)
French (fr)
Inventor
曾露
Original Assignee
深圳市柔宇科技有限公司
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Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to CN201780097418.0A priority Critical patent/CN111433718A/zh
Priority to PCT/CN2017/119147 priority patent/WO2019127163A1/zh
Priority to TW107144020A priority patent/TW201928633A/zh
Publication of WO2019127163A1 publication Critical patent/WO2019127163A1/zh

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    • 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

Definitions

  • the present application relates to the field of curved touch processing, and in particular to a curved touch sensing device and a molding method thereof.
  • touch input has become one of the necessary tools for users to interact with various information devices.
  • Touch input is divided into flat touch and curved touch.
  • the existing curved touch processing methods are mainly divided into two types.
  • the first processing method is: planar processing of the touch pattern and then bonding to the curved surface, the disadvantage of which is that the touch pattern can only be approximated to the curved surface, and cannot be ensured.
  • the curvature of the touch pattern is exactly the same as the surface.
  • the second method of processing is to directly process the touch pattern on the surface.
  • the embodiment of the present application discloses a curved touch sensing device and a molding method thereof, which can directly form a touch electrode assembly on a curved substrate to solve the above problem.
  • a curved touch sensing device disclosed in the embodiment of the present invention includes: a curved base body and a touch electrode assembly, the curved base body has an inner surface and an outer surface, the outer surface is a touch operation surface, and the touch electrode The component is disposed on the inner surface by injection molding, and the touch electrode assembly senses a touch operation on the outer surface to generate an inductive signal.
  • a molding method disclosed in the embodiment of the present application the molding method is applied to a curved touch sensing device, the molding method includes the steps of: providing a curved base body having an inner surface and an outer surface, the outer surface The surface is a touch operation surface, the inner surface is provided with at least one injection groove; a core is provided, the core is matched with the inner surface of the curved substrate and covers the at least one injection groove to form Injecting a cavity of the conductive material; and injecting a conductive material into the cavity to form a touch electrode assembly, the touch electrode assembly sensing a touch operation on the outer surface to generate an inductive signal.
  • the application can directly form the touch electrode assembly on the inner surface of the curved substrate by means of injection molding, and the molding method is simple and the molding effect is good.
  • FIG. 1 is a schematic structural diagram of a curved touch sensing device according to an embodiment of the present application.
  • FIG. 2 is a cross-sectional view of the curved surface sensing device of the embodiment of the present invention in a II-II direction after splicing the two curved base bodies.
  • FIG. 3 is a schematic cross-sectional view of a curved base body of a curved touch sensing device according to an embodiment of the present application.
  • FIG. 4 is a schematic cross-sectional view of the curved base body of FIG. 3 in combination with a core in an embodiment of the present application.
  • FIG. 5 is a schematic cross-sectional view of the curved substrate of FIG. 4 after the conductive material is injected and the core is removed, in an embodiment of the present application.
  • FIG. 6 is a schematic flow chart of a molding method of a curved touch sensing device according to an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a curved touch sensing device 100 according to an embodiment of the present application.
  • the curved touch sensing device 100 has a spherical shape.
  • the curved touch sensing device 100 includes two curved bases 10 and two touch electrode assemblies 30.
  • each of the curved base bodies 10 has a semi-spherical shell shape, and the thickness thereof is substantially uniform.
  • the two curved base bodies 10 are in a spherical shape after being engaged with each other.
  • each of the curved base bodies 10 has a semi-ellipsoidal shell shape and a substantially uniform thickness.
  • the two curved base bodies 10 are ellipsoidal in shape after being engaged with each other.
  • the curved base 10 may be a curved base of a suitable shape having a curvature greater than zero, which is not limited herein.
  • the curved touch sensing device 100 includes only one of the curved substrate 10 and one of the touch electrode assemblies 30. That is to say, the curved touch sensing device 100 has a hemispherical or semi-ellipsoidal shape as a whole. It can be set according to actual needs, and there is no restriction here.
  • each of the curved base 10 has an opposite outer surface 11 and inner surface 13.
  • the outer surface 11 is a touch operation surface.
  • Each of the touch electrode assemblies 30 is disposed on the inner surface 13 of one of the curved base bodies 10 by injection molding. The touch electrode assembly 30 senses a touch operation on the outer surface 11 to generate a corresponding sensing signal.
  • the curved touch sensing device 100 further includes a controller (not shown).
  • the touch electrode assembly 30 is electrically connected to the controller, and the controller responds to the sensing signal and identifies a current touch position of the outer surface 11 according to the sensing signal.
  • the controller responds to the sensing signal and identifies a current touch position of the outer surface 11 according to the sensing signal.
  • the curved touch sensing device 100 includes two curved bases 10 and two of the touch electrode assemblies 30, the number of the controllers is also two. Each controller controls a set of touch electrode assemblies 30.
  • the curved touch sensing device 100 includes a curved base 10 and one touch electrode assembly 30, the number of the controllers is one.
  • the curved substrate 10 is made of one or more materials of polyterephthalic acid materials, polymethyl methacrylate materials, glass, or other suitable high temperature resistant insulating materials, and is not Make restrictions.
  • the touch electrode assembly 30 needs to process the injection groove 131 on the inner surface 13 in advance, and then inject the conductive material 133 into the injection groove 131 and solidify it.
  • the method of manufacturing the injection tank 131 is: machining, injection molding, 3D printing, or other suitable processing methods.
  • the machining is performed by cutting the at least one injection groove 131 on the inner surface 13 of the curved base body 10.
  • the machining accuracy is within ⁇ 0.05mm.
  • the injection molding is performed by molding the curved surface substrate 10 by injection molding, the curved surface substrate 10 having an inner surface 13 and an outer surface 11, the outer surface 11 being a touch operation surface, and the curved surface substrate 10 At least one injection groove 131 is provided on the inner surface 13 of the inner surface 13.
  • the 3D printing method is: forming the curved surface substrate 10 by 3D printing, the curved surface substrate 10 having an inner surface 13 and an outer surface 11, the outer surface 11 being a touch operation surface, and the curved surface substrate 10 At least one injection groove 131 is provided on the inner surface 13 of the inner surface 13.
  • the curved base 10 includes a first end 15 and a second end 17 that are oppositely disposed.
  • the curved base 10 is provided with an injection port 151 on the first end 15 .
  • the injection port 151 is disposed in communication with the at least one injection groove 131, and the conductive material 133 is injected into the at least one injection groove 131 from the injection port 151 and is solidified.
  • the conductive material 133 is at least one of a silver paste or a carbon paste.
  • the curved base 10 is provided with an overflow port 171 on the second end 17.
  • the overflow port 171 is disposed in communication with the at least one injection groove 131. After the conductive material 133 injected into the injection groove 131 is filled in the injection groove 131, excess portions overflow through the overflow port 171 to The conductive material 133 can be completely filled with the injection tank 131, and the excess portion can be recycled and reused after overflowing through the overflow port 171, thereby avoiding material waste.
  • a negative pressure is increased at the overflow port 171, causing the conductive material 133 to quickly fill the at least one injection groove 131.
  • each of the injection grooves 131 extends from the first end 15 of the curved base body 10 to the second end 17, and a plurality of the injection grooves 131 are along the curved base body.
  • the longitude direction of 10 is arranged in intervals.
  • each of the injection grooves 131 extends from the first end 15 of the curved base 10 to the second end 17 in a capillary shape.
  • the distribution and shape of the injection groove 131 are determined by the electrode and the lead pattern of the touch electrode assembly 30, as long as one end is in communication with the injection port 151, and the other end is opposite to the overflow.
  • the outlets 171 are disposed in communication, and it is ensured that any portion of the injection tank 131 can be filled with the conductive material 133.
  • FIG. 6 is a schematic flow chart of a method for forming a curved touch sensing device 100 according to an embodiment of the present application.
  • the molding method is applied to the above-described curved touch sensing device 100, and the order of execution is not limited to the order shown in FIG. 6.
  • the method includes the steps of:
  • Step 601 Providing a curved base body 10 having an inner surface 13 and an outer surface 11, the outer surface 11 being a touch operation surface, and the inner surface 13 is provided with at least one injection groove 131.
  • each of the curved base bodies 10 has an oppositely disposed outer surface 11 and inner surface 13.
  • the outer surface 11 is a touch operation surface.
  • Each of the touch electrode assemblies 30 is disposed on the inner surface 13 of one of the curved base bodies 10 by injection molding.
  • the curved base 10 is made of one or more of a polyterephthalic acid material, a polymethyl methacrylate material, glass, or other suitable high temperature resistant insulating material.
  • the touch electrode assembly 30 needs to process the injection groove 131 on the inner surface 13 in advance, and then inject the conductive material 133 into the injection groove 131 and solidify it.
  • the method of manufacturing the injection tank 131 is: machining, injection molding, 3D printing, or other suitable processing methods.
  • each of the injection grooves 131 extends from the first end 15 of the curved base body 10 to the second end 17, and a plurality of the injection grooves 131 are along the curved base body.
  • the longitude direction of 10 is arranged in intervals.
  • the curved base 10 includes a first end 15 and a second end 17 that are oppositely disposed.
  • the curved base 10 is provided with an injection port 151 on the first end 15 .
  • the injection port 151 is disposed in communication with the at least one injection groove 131, and the conductive material 133 is injected into the at least one injection groove 131 from the injection port 151 and is solidified.
  • the conductive material 133 is at least one of a silver paste or a carbon paste.
  • the curved base 10 is provided with an overflow port 171 on the second end 17.
  • the overflow port 171 is disposed in communication with the at least one injection groove 131. After the conductive material 133 injected into the injection groove 131 is filled in the injection groove 131, excess portions overflow through the overflow port 171 to The conductive material 133 can be completely filled with the injection tank 131, and the excess portion can be recycled and reused after overflowing through the overflow port 171, thereby avoiding material waste.
  • Step 602 Providing a core 200 that cooperates with the inner surface 13 of the curved substrate 10 and covers the at least one injection groove 131 to form a cavity 135 for injecting the conductive material 133.
  • the core 200 can be made of a silicone rubber or a rubber material having a sealing property, and has a certain sealing property, and can ensure a position where the injection groove 131 is tightly pressed when the conductive material 133 is injected by pressure, thereby avoiding generation. Defects such as flash.
  • Step 603 Injecting a conductive material 133 into the cavity 135 to form the touch electrode assembly 30.
  • the conductive material 133 is a silver paste or a carbon slurry, which has a certain fluidity at normal temperature and can be cured by heating.
  • the curing parameters are mainly related to the material itself.
  • the core 200 is removed to mold the touch electrode assembly 30.
  • Step 604 The touch electrode assembly 30 senses a touch operation on the outer surface 11 to generate an inductive signal.
  • Step 605 Respond to the sensing signal and identify the current touch position of the outer surface 11 according to the sensing signal.
  • the controller is responsive to the sensing signal and identifies a current touch location of the outer surface 11 based on the sensing signal.
  • the touch electrode assembly 30 can be directly formed on the curved surface substrate 10 by injection molding, and the molding method is simple and the molding effect is good.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Switches (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种曲面触控感应装置（100），包括：曲面基体（10）和触控电极组件（30），曲面基体（10）具有内表面（13）和外表面（11），外表面（11）为触控操作面，触控电极组件（30）通过注射成型的方式设置在内表面（13）上，触控电极组件（30）感应在触控操作面上的触控操作而产生感应信号。通过注射成型的方式直接在曲面基体（10）上成型触控电极组件（30），成型方式简单，成型效果好。

Description

曲面触控感应装置及其成型方法 技术领域
本申请涉及曲面触控加工领域，尤其涉及一种曲面触控感应装置及其成型方法。
背景技术
随着科学技术的发展，触控输入已是用户与终端设备进行各种信息交互的必需工具之一。触控输入分为平面触控和曲面触控。现有曲面触控的加工方式主要分为两种，第一种加工方式是：平面加工好触控图案后再贴合到曲面，其缺点在于，只能使触控图案近似于曲面，无法确保触控图案的曲率等与曲面完全一致。第二种加工方式是：直接在曲面上加工触控图案。然而，受制于现有加工设备的限制，目前暂无法实现曲面上直接加工触控图案。
发明内容
本申请实施例公开一种曲面触控感应装置及其成型方法，能够实现直接在曲面基体上成型触控电极组件，以解决上述问题。
本申请实施例公开的一种曲面触控感应装置，包括：曲面基体和触控电极组件，所述曲面基体具有内表面和外表面，所述外表面为触控操作面，所述触控电极组件通过注射成型的方式设置在所述内表面上，所述触控电极组件感应在所述外表面上的触控操作而产生感应信号。
本申请实施例公开的一种成型方法，所述成型方法应用于曲面触控感应装置上，所述成型方法包括步骤：提供一曲面基体，所述曲面基体具有内表面和外表面，所述外表面为触控操作面，所述内表面上设置有至少一个注入槽；提供一模芯，所述模芯与所述曲面基体的内表面相配合并盖住所述至少一个注入槽以形成用于注入所述导电材料的型腔；及将导电材料注入所述型腔内以形成触控电极组件，所述触控电极组件感应在所述外表面上的触控操作而产生感应信号。
本申请能够通过注射成型的方式直接在曲面基体的内表面上成型触控电极组件，成型方式简单，成型效果好。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例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申请的一些实施例，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为本申请一实施例中的曲面触控感应装置的结构示意图。
图2为本申请一实施例中的曲面触控感应装置的两曲面基体拼接后在II-II方向上的剖面示意图。
图3为本申请一实施例中的曲面触控感应装置的一曲面基体的截面示意图。
图4为本申请一实施例中的图3中所述曲面基体与模芯配合后的截面示意图。
图5为本申请一实施例中的图4所述的曲面基体注入导电材料且移除模芯之后的截面示意图。
图6为本申请一实施例中的曲面触控感应装置的成型方法的流程示意图。
具体实施方式
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，所描述的实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，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，都属于本申请保护的范围。
请参阅图1，图1为本申请一实施例中的曲面触控感应装置100的结构示意图。所述曲面触控感应装置100呈圆球状。所述曲面触控感应装置100包括 两个曲面基体10和两个触控电极组件30。
可理解，本实施例中，每个所述曲面基体10呈半球形壳体状，其厚度大致均匀。所述两个曲面基体10相向扣合后呈圆球状。在其它实施例中，每个所述曲面基体10呈半椭球形壳体状，其厚度也大致均匀。所述两个曲面基体10相向扣合后呈椭球状。在又一实施例中，所述曲面基体10可呈其它曲率大于零的适合形状的曲面基体，此处不做限制。
可理解，在其它实施例中，所述曲面触控感应装置100只包括一个所述曲面基体10和一个所述触控电极组件30。也就是说，所述曲面触控感应装置100整体呈半球或者半椭球状。具体可根据实际需要设置，此处不做限制。
请一并参考图2，每个所述曲面基体10具有相对设置的外表面11和内表面13。其中，所述外表面11为触控操作面。每个触控电极组件30通过注射成型的方式设置在其中一个所述曲面基体10的内表面13上。所述触控电极组件30感应在所述外表面11上的触控操作而产生相应的感应信号。
可选择地，所述曲面触控感应装置100还包括控制器(图未示)。所述触控电极组件30与所述控制器电性连接，所述控制器响应所述感应信号并根据所述感应信号识别所述外表面11的当前触摸位置。具体地，当所述曲面触控感应装置100包括两个曲面基体10和两个所述触控电极组件30时，所述控制器的数量也为两个。每个控制器控制一组触控电极组件30。同理，当所述曲面触控感应装置100包括一个曲面基体10和一个所述触控电极组件30时，所述控制器的数量为一个。
具体地，所述曲面基体10由聚对苯二甲酸类材料、聚甲基丙烯酸甲酯材料、玻璃，或其它适合的耐高温的绝缘材料中的一种或者多种材料制成，此处不做限制。
具体地，所述触控电极组件30需预先在所述内表面13上加工注入槽131，再在所述注入槽131中注入导电材料133并固化后形成。
具体地，制作所述注入槽131的方法有：机械加工、注射成型、3D打印，或者其它适合的加工方式。
具体地，机械加工的方式为：在所述曲面基体10的内表面13上切削形成所述至少一个注入槽131。其中，机械加工的精度在±0.05mm以内。
具体地，注射成型的方式为：通过注射成型成型所述曲面基体10，所述曲面基体10具有内表面13和外表面11，所述外表面11为触控操作面，所述述曲面基体10的内表面13上设置有至少一个注入槽131。
具体地，3D打印的方式为：通过3D打印成型所述曲面基体10，所述曲面基体10具有内表面13和外表面11，所述外表面11为触控操作面，所述述曲面基体10的内表面13上设置有至少一个注入槽131。
具体地，所述曲面基体10包括相对设置的第一端15和第二端17。所述曲面基体10在所述第一端15上设置有注入口151。所述注入口151与所述至少一个注入槽131相通设置，所述导电材料133自所述注入口151注入所述至少一个注入槽131中并被固化。所述导电材料133为银浆或者炭浆中的至少一种。
可选择地，所述曲面基体10在所述第二端17上设置有溢出口171。所述溢出口171与所述至少一个注入槽131相通设置，注入所述注入槽131中的所述导电材料133在充满所述注入槽131后，多余的部分经所述溢出口171溢出，以使得所述导电材料133能够完全充满所述注入槽131，并且，多余的部分经所述溢出口171溢出后可回收再利用，避免材料浪费。
可选择地，在向所述注入槽131注入导电材料133时，在所述溢出口171增加负压，促使所述导电材料133快速充满所述至少一个注入槽131。
具体地，本实施例中，每个所述注入槽131自所述曲面基体10的所述第一端15延伸至所述第二端17，而且多个所述注入槽131沿所述曲面基体10的经度方向间隔排列设置。
可选择地，在其它实施例中，每个所述注入槽131自所述曲面基体10的所述第一端15向所述第二端17呈毛细血管状延伸。
可理解，在其它实施例中，所述注入槽131的分布和形状由所述触控电极组件30的电极及引线图案决定，其只要一端与所述注入口151相通，另一端 与所述溢出口171相通设置，并保证所述注入槽131的任意部位都能充满导电材料133即可。
请参阅图3、图4、图5和图6，图6为本申请一实施例中的曲面触控感应装置100的成型方法的流程示意图。所述成型方法应用于前述的曲面触控感应装置100中，执行顺序并不限于图6所示的顺序。所述方法包括步骤：
步骤601：提供一曲面基体10，所述曲面基体10具有内表面13和外表面11，所述外表面11为触控操作面，所述内表面13上设置有至少一个注入槽131。
具体地，每个所述曲面基体10具有相对设置的外表面11和内表面13。其中，所述外表面11为触控操作面。每个触控电极组件30通过注射成型的方式设置在其中一个所述曲面基体10的内表面13上。
具体地，所述曲面基体10由聚对苯二甲酸类材料、聚甲基丙烯酸甲酯材料、玻璃，或其它适合的耐高温的绝缘材料中的一种或者多种材料制成。
具体地，所述触控电极组件30需预先在所述内表面13上加工注入槽131，再在所述注入槽131中注入导电材料133并固化后形成。
具体地，制作所述注入槽131的方法有：机械加工、注射成型、3D打印，或者其它适合的加工方式。
具体地，本实施例中，每个所述注入槽131自所述曲面基体10的所述第一端15延伸至所述第二端17，而且多个所述注入槽131沿所述曲面基体10的经度方向间隔排列设置。
具体地，所述曲面基体10包括相对设置的第一端15和第二端17。所述曲面基体10在所述第一端15上设置有注入口151。所述注入口151与所述至少一个注入槽131相通设置，所述导电材料133自所述注入口151注入所述至少一个注入槽131中并被固化。所述导电材料133为银浆或者炭浆中的至少一种。
可选择地，所述曲面基体10在所述第二端17上设置有溢出口171。所述溢出口171与所述至少一个注入槽131相通设置，注入所述注入槽131中的所述导电材料133在充满所述注入槽131后，多余的部分经所述溢出口171溢出， 以使得所述导电材料133能够完全充满所述注入槽131，并且，多余的部分经所述溢出口171溢出后可回收再利用，避免材料浪费。
步骤602：提供一模芯200，所述模芯200与所述曲面基体10的内表面13相配合并盖住所述至少一个注入槽131以形成用于注入所述导电材料133的型腔135。
具体地，所述模芯200可以采用具有密封性的硅胶或者橡胶材质制成，具有一定的密封性，可以确保在加压注入导电材料133时紧密压合所述注入槽131的位置，避免产生飞边等缺陷。
步骤603：将导电材料133注入所述型腔135内以形成触控电极组件30。
具体地，所述导电材料133为银浆或者炭浆，其在常温下即具有一定的流动性，通过加热即可固化。其中，固化参数主要跟材料本身相关。
具体地，注入所述导电材料133时，在所述溢出口171增加负压，促使所述导电材料133从所述注入口151流经所述注入槽131并且多余部分从所述溢出口171溢出回收。
具体地，固化所述注入槽131内的导电材料133后，移除模芯200，使触控电极组件30成型。
步骤604：所述触控电极组件30感应在所述外表面11上的触控操作而产生感应信号。
步骤605：响应所述感应信号并根据所述感应信号识别所述外表面11的当前触摸位置。
具体地，所述控制器响应所述感应信号并根据所述感应信号识别所述外表面11的当前触摸位置。
本申请能够通过注射成型的方式直接在曲面基体10上成型触控电极组件30，成型方式简单，成型效果好。
以上所述是本申请的优选实施例，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本申请的保护范围。

Claims (20)

  1. 一种曲面触控感应装置，其特征在于，所述曲面触控感应装置包括：曲面基体和触控电极组件，所述曲面基体具有内表面和外表面，所述外表面为触控操作面，所述触控电极组件通过注射成型的方式设置在所述内表面上，所述触控电极组件感应在所述外表面上的触控操作而产生感应信号。
  2. 如权利要求1所述的曲面触控感应装置，其特征在于，所述曲面触控感应装置还包括控制器，所述触控电极组件与所述控制器电性连接，所述控制器响应所述感应信号并根据所述感应信号识别所述外表面上的当前触摸位置。
  3. 如权利要求1所述的曲面触控感应装置，其特征在于，所述曲面基体呈半球形壳体状或半椭球形壳体状。
  4. 如权利要求1所述的曲面触控感应装置，其特征在于，所述曲面基体由聚对苯二甲酸类材料、聚甲基丙烯酸甲酯材料、玻璃，或其它耐高温的绝缘材料中的一种或者多种材料制成。
  5. 如权利要求1所述的曲面触控感应装置，其特征在于，所述曲面基体的内表面上设置有至少一个注入槽，所述触控电极组件由注入所述至少一个注入槽中的导电材料固化形成。
  6. 如权利要求5所述的曲面触控感应装置，其特征在于，所述曲面基体包括相对设置的第一端和第二端，所述曲面基体在所述第一端上设置有注入口，所述注入口与所述至少一个注入槽相通设置，所述导电材料自所述注入口注入所述至少一个注入槽。
  7. 如权利要求6所述的曲面触控感应装置，其特征在于，所述曲面基体在所述第二端上设置有溢出口，所述溢出口与所述至少一个注入槽相通设置，注入所述注入槽中的所述导电材料的部分经所述溢出口溢出。
  8. 如权利要求5至7任一项所述的曲面触控感应装置，其特征在于，所述导电材料为银浆或者炭浆中的至少一种。
  9. 如权利要求6所述的曲面触控感应装置，其特征在于，每个所述注入槽自所述曲面基体的所述第一端延伸至所述第二端。
  10. 如权利要求6所述的曲面触控感应装置，其特征在于，每个所述注入槽自所述曲面基体的所述第一端向所述第二端呈毛细血管状延伸。
  11. 一种成型方法，所述成型方法应用于曲面触控感应装置上，所述成型方法包括步骤：
    提供一曲面基体，所述曲面基体具有内表面和外表面，所述外表面为触控操作面，所述内表面上设置有至少一个注入槽；
    提供一模芯，所述模芯与所述曲面基体的内表面相配合并盖住所述至少一个注入槽以形成用于注入所述导电材料的型腔；
    将导电材料注入所述型腔内以形成触控电极组件；
    所述触控电极组件感应在所述触控操作面上的触控操作而产生感应信号。
  12. 如权利要求11所述的成型方法，其特征在于，所述成型方法还包括步骤：
    提供一种控制器，所述触控电极组件与所述控制器电性连接；
    所述控制器响应所述感应信号并根据所述感应信号识别所述触控操作面上的当前触摸位置。
  13. 如权利要求11所述的成型方法，其特征在于，步骤“将导电材料注入所述型腔内以形成触控电极组件”之后，所述成型方法还包括步骤：
    固化所述导电材料，并移除所述模芯。
  14. 如权利要求11所述的成型方法，其特征在于，步骤“提供一模芯”之前，所述成型方法还包括步骤：将所述模芯做表面处理以降低其模芯表面能，使得所述导电材料与所述模芯的附着力降低。
  15. 如权利要求14所述的成型方法，其特征在于，所述表面处理为在所述模芯的表面喷涂高水滴角材料。
  16. 如权利要求11所述的成型方法，其特征在于，所述曲面基体具有相对设置的第一端和第二端，所述曲面基体在所述第一端上设置有注入口，所述注入口与所述至少一个注入槽相通设置，所述成型方法还包括步骤：自所述注入口注入所述导电材料至所述至少一个注入槽。
  17. 如权利要求16所述的成型方法，其特征在于，所述曲面基体在所述第二端上设置有溢出口，所述至少一个注入槽分别与所述溢出口相通设置，所述成型方法还包括步骤：注入所述注入槽中的所述导电材料的部分经所述溢出口溢出。
  18. 如权利要求17所述的成型方法，其特征在于，所述成型方法还包括步骤：在向所述注入槽注入导电材料时，在所述溢出口增加负压，促使所述导电材料快速充满所述至少一个注入槽。
  19. 如权利要求11所述的成型方法，其特征在于，“所述内表面上设置有 至少一个注入槽”具体为：通过机械加工的方式在所述曲面基体的内表面上切削形成所述至少一个注入槽。
  20. 如权利要求11所述的成型方法，其特征在于，“提供一曲面基体，所述曲面基体具有内表面和外表面，所述外表面为触控操作面，所述内表面上设置有至少一个注入槽”具体为：通过注射成型或者3D打印的方式成型所述曲面基体，所述曲面基体具有内表面和外表面，所述外表面为触控操作面，所述述曲面基体的内表面上设置有至少一个注入槽。
PCT/CN2017/119147 2017-12-27 2017-12-27 曲面触控感应装置及其成型方法 WO2019127163A1 (zh)

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