WO2020147386A1 - 双模式触控显示装置及其实现方法 - Google Patents

双模式触控显示装置及其实现方法 Download PDF

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Publication number
WO2020147386A1
WO2020147386A1 PCT/CN2019/116909 CN2019116909W WO2020147386A1 WO 2020147386 A1 WO2020147386 A1 WO 2020147386A1 CN 2019116909 W CN2019116909 W CN 2019116909W WO 2020147386 A1 WO2020147386 A1 WO 2020147386A1
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WIPO (PCT)
Prior art keywords
electromagnetic
unit
touch
dual
electromagnetic induction
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PCT/CN2019/116909
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English (en)
French (fr)
Inventor
邹锋
谢磊
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北京汉王鹏泰科技股份有限公司
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Publication of WO2020147386A1 publication Critical patent/WO2020147386A1/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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • 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
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means

Definitions

  • This application belongs to the technical field of touch display, and specifically relates to a dual-mode touch display device and an implementation method thereof.
  • the capacitive screen, the liquid crystal display and the electromagnetic panel are sequentially superimposed and combined into one body, thereby realizing the dual functions of capacitive touch and electromagnetic induction, that is, capacitive touch is mainly used for graphical interface operation, and electromagnetic induction pen Handwriting input.
  • the existing electromagnetic screens, capacitive screens, or electromagnetic-capacitance hybrid screens are designed separately and are located in different positions in the screen body, which leads to complex production processes, many consumables, and high requirements for assembly processes.
  • the present application provides a dual-mode touch display device and an implementation method thereof.
  • the present application provides a dual-mode touch display device, which includes a housing and a display transparent panel, a dual-mode touch module, and a display module arranged in the housing.
  • the dual-mode touch module includes a dual-mode antenna array group and a touch control unit, the dual-mode antenna array group is arranged between the display transparent panel and the display module;
  • the dual-mode antenna array group includes a capacitive sensing antenna group and an electromagnetic induction antenna group, the capacitive sensing antenna group includes a first capacitive sensing unit arranged along a first direction and a second capacitive sensing unit arranged along a second direction;
  • the electromagnetic induction antenna group includes a first electromagnetic induction unit arranged along a first direction and a second electromagnetic induction unit arranged along a second direction; the first direction and the second direction are two directions perpendicular to each other in space;
  • the first capacitance sensing unit and the second capacitance sensing unit are insulated from each other, and the first electromagnetic induction unit and the second electromagnetic induction unit are insulated from each other; the first capacitance sensing unit and the first electromagnetic induction unit are arranged alternately On a same conductive layer, the second capacitance sensing unit and the second electromagnetic sensing unit are alternately arranged on the other same conductive layer; the touch control unit is connected to the capacitance sensing antenna group and the electromagnetic induction antenna group.
  • a gap is provided between the first capacitive sensing unit and the adjacent first electromagnetic sensing unit, and the second capacitive sensing unit is connected to the adjacent second electromagnetic sensing unit.
  • a gap is provided between the electromagnetic induction units.
  • the conductive layer where the first capacitive sensing unit and the first electromagnetic sensing unit are located is provided with a first touch effective area, and the second capacitive sensing unit and the second electromagnetic sensing
  • the conductive layer where the unit is located is provided with a second touch effective area; the projection of the first touch effective area on the conductive layer where the second touch effective area is located coincides with the second touch effective area.
  • the touch control unit includes a controller, a signal switching circuit, a capacitive touch signal detection circuit and an electromagnetic touch signal detection circuit, the capacitive induction antenna group and the electromagnetic induction antenna group All are connected to the signal switching circuit through an input signal bus;
  • the signal switching circuit is connected to a controller, a capacitive touch signal detection circuit, and an electromagnetic touch signal detection circuit, and the controller sends a switching control signal to the signal switching circuit;
  • the capacitive touch signal detection circuit detects the signal received by the capacitive sensing antenna group, and sends the detected capacitive touch signal to The controller;
  • the electromagnetic touch signal detection circuit detects the signal received by the electromagnetic induction antenna group, and the detected electromagnetic The touch signal is sent to the controller.
  • the first capacitive sensing unit and the first electromagnetic sensing unit are alternately arranged on the top surface of a substrate, and the second capacitive sensing unit and the second electromagnetic sensing unit are alternately arranged on the top surface of a substrate.
  • the bottom surface of the substrate is insulated between the top surface and the bottom surface of the substrate.
  • the first electromagnetic induction units are arranged on the top surface of the substrate in a comb-tooth shape along the X direction, and one of the two adjacent first capacitive induction units A first electromagnetic induction unit is arranged in between; the second electromagnetic induction unit is arranged on the bottom surface of the substrate in a comb-tooth shape along the Y direction, and a second electromagnetic induction unit is arranged between the two adjacent second capacitive induction units.
  • Magnetic induction unit is arranged.
  • two adjacent first electromagnetic induction units are arranged in parallel between two adjacent first electromagnetic induction units arranged in the X direction.
  • a gap is provided between the two first capacitance sensing units;
  • two adjacent second electromagnetic sensing units arranged along the Y direction are provided with two second capacitors in parallel
  • the sensing unit a gap is provided between the two second capacitive sensing units.
  • two first electromagnetic induction units are arranged in parallel between two adjacent first capacitive sensing units arranged along the X direction. Unit, a gap is provided between the two first electromagnetic induction units; on the bottom surface of the substrate, two second electrical Magnetic induction unit, a gap is provided between the two second electromagnetic induction units.
  • the first capacitive sensing unit and the first electromagnetic sensing unit are alternately arranged on a single-sided conductive substrate, and the second capacitive sensing unit and the second electromagnetic sensing unit are alternately arranged It is arranged on another single-sided conductive substrate, and the insulating surfaces of the two single-sided conductive substrates are fixedly connected together.
  • the present application also provides a method for implementing a dual-mode touch display device, which includes the following steps:
  • a dual-mode touch control module is prepared, which includes:
  • More than two first capacitive sensing units and first electromagnetic sensing units are etched along the first direction on one conductive layer, and two or more second capacitive sensing units and second electromagnetic sensing units are etched along the second direction on the other conductive layer.
  • a magnetic induction unit wherein the two conductive layers are insulated, the first direction and the second direction are two directions perpendicular to each other in the space; the first capacitive sensing unit and the first electromagnetic sensing unit are arranged alternately, the first capacitive sensing unit and A gap is provided between adjacent first electromagnetic induction units; a second capacitance induction unit and a second electromagnetic induction unit are arranged alternately, and a gap is provided between the second capacitance induction unit and an adjacent second electromagnetic induction unit;
  • the two conductive layers are provided with a touch effective area with the same shape, and the two conductive layers are fixed together according to the touch effective area.
  • the first capacitive sensing unit and the second capacitive sensing unit form a capacitive sensing antenna group, and the second electromagnetic sensing
  • the unit and the second electromagnetic induction unit constitute an electromagnetic induction antenna group;
  • a dual-mode touch display device is prepared, which includes:
  • the transparent panel of the display screen is fixedly arranged above the dual-mode touch module.
  • the dual-mode touch display device of the present application can realize two modes of finger capacitive touch and electromagnetic pen electromagnetic touch, and the capacitive sensing antenna group and The electromagnetic induction antenna group can reduce production difficulty, reduce consumables, and improve the quality of finished products.
  • FIG. 1 is a schematic structural diagram of a dual-mode touch display device according to specific embodiments of this application.
  • FIG. 2 is a schematic circuit diagram of a dual-mode touch module in a dual-mode touch display device according to specific embodiments of this application.
  • FIG. 3 is a schematic structural diagram of a first capacitive sensing unit and a first electromagnetic sensing unit arranged along the X direction in a dual-mode touch display device according to specific embodiments of this application.
  • FIG. 4 is a schematic structural diagram of a second capacitive sensing unit and a second electromagnetic sensing unit arranged along the Y direction in a dual-mode touch display device according to specific embodiments of this application.
  • the present application provides a dual-mode touch display device, which includes a casing, a transparent display panel, a dual-mode touch module, and a display module arranged in the casing.
  • the dual-mode touch module includes a dual-mode antenna array group and a touch control unit, wherein the dual-mode antenna array group is arranged between the transparent panel of the display screen and the display module.
  • the dual-mode antenna array group includes a capacitive induction antenna group and an electromagnetic induction antenna group.
  • the capacitive induction antenna group and the electromagnetic induction antenna group are independent of each other, and there is no connection between the two.
  • the capacitive sensing antenna group includes a first capacitive sensing unit arranged along a first direction and a second capacitive sensing unit arranged along a second direction.
  • the electromagnetic induction antenna group includes a first electromagnetic induction unit arranged along a first direction and a second electromagnetic induction unit arranged along a second direction.
  • the first direction and the second direction are two directions perpendicular to each other in the space.
  • the first capacitance sensing unit and the second capacitance sensing unit are insulated from each other.
  • the first electromagnetic induction unit and the second electromagnetic induction unit are insulated from each other.
  • the first capacitance sensing unit and the first electromagnetic induction unit are alternately arranged on the same conductive layer, and the second capacitance sensing unit and the second electromagnetic induction unit are alternately arranged on the other same conductive layer.
  • a gap is provided between the first capacitance sensing unit and the adjacent first electromagnetic induction unit, and a gap is provided between the second capacitance sensing unit and the adjacent second electromagnetic induction unit.
  • the touch control unit includes a controller, a signal switching circuit, a capacitive touch signal detection circuit, and an electromagnetic touch signal detection circuit. Both the capacitive induction antenna group and the electromagnetic induction antenna group are connected to the signal switching circuit through an input signal bus.
  • the signal switching circuit is connected with the controller, the capacitive touch signal detection circuit and the electromagnetic touch signal detection circuit, and the controller sends a switching control signal to the signal switching circuit.
  • the capacitive touch signal detection circuit detects the signal received by the capacitive sensing antenna group and sends the detected capacitive touch signal to the controller.
  • the controller calculates the positions in the first direction and the second direction according to the received capacitive touch signal.
  • the electromagnetic touch signal detection circuit detects the signal received by the electromagnetic induction antenna group, and sends the detected electromagnetic touch signal to the controller.
  • the controller calculates the position information in the first direction and the second direction according to the received electromagnetic touch signal.
  • the conductive layer where the first capacitive sensing unit and the first electromagnetic induction unit are located is provided with a first touch effective area
  • the conductive layer where the second capacitive sensing unit and the second electromagnetic induction unit are located is provided with a second touch Effective area. The projection of the first active touch area on the conductive layer where the second active touch area is located coincides with the second active area.
  • first capacitance sensing unit and the corresponding second capacitance sensing unit are independent conductors and are insulated from each other, a capacitance is formed in each area where the capacitance sensing unit in the first direction and the second direction intersect. This capacitance value is relative stable. When the finger touches, the capacitance value will change, and the position of the finger touch can be determined according to the change of the capacitance value.
  • the electromagnetic induction antenna group When the electromagnetic pen touches, the electromagnetic induction antenna group will receive the electromagnetic signal, and the controller can obtain the position information of the first direction and the second direction during the electromagnetic touch according to the electromagnetic signal.
  • FIG. 1 is a schematic structural diagram of a dual-mode touch display device according to Embodiment 1 of the application.
  • FIG. 2 is a schematic circuit diagram of a dual-mode touch module in a dual-mode touch display device according to specific embodiments of this application.
  • the dual-mode touch display device includes a casing 1 and a transparent display panel 2, a dual-mode touch module 3 and a display module 4 arranged in the casing 1.
  • the dual-mode touch module 3 includes a dual-mode antenna array group 31 and a touch control unit 32, wherein the dual-mode antenna array group 31 is disposed between the transparent panel 2 and the display module 4 of the display screen.
  • the dual-mode antenna array group 31 includes a capacitive induction antenna group 311 and an electromagnetic induction antenna group 312.
  • the capacitive induction antenna group 311 and the electromagnetic induction antenna group 312 are independent of each other, and there is no connection between the two.
  • the capacitive sensing antenna group 311 includes a first capacitive sensing unit arranged along the X direction and a second capacitive sensing unit arranged along the Y direction.
  • the electromagnetic induction antenna group 312 includes a first electromagnetic induction unit arranged along the X direction and a second electromagnetic induction unit arranged along the Y direction.
  • the first capacitance sensing unit and the second capacitance sensing unit are insulated from each other.
  • the first electromagnetic induction unit and the second electromagnetic induction unit are insulated from each other.
  • the first capacitance induction unit and the first electromagnetic induction unit are alternately arranged on the top surface of the substrate, and the second capacitance induction unit and the second electromagnetic induction unit are alternately arranged on the bottom surface of the substrate. There is no electrical connection between the top surface and the bottom surface of the substrate.
  • the substrate is made of insulating material.
  • first capacitive sensing unit and the first electromagnetic sensing unit can also be alternately arranged on a single-sided conductive substrate
  • second capacitive sensing unit and the second electromagnetic sensing unit can also be alternately arranged on another single-sided conductive substrate.
  • the insulating surfaces of two single-sided conductive substrates are fixedly connected together.
  • the top surface of the substrate is provided with five comb-shaped first electromagnetic induction units L-X1, L-X2, L-X3, L-X4 and L -X5, five first capacitive sensing units C-X1, C-X2, C-X3, C-X4 and C-X5 and five first electromagnetic sensing units L-X1, L-X2, L-X3, L -X4 and L-X5 are set at intervals. That is, a first electromagnetic induction unit is arranged between two adjacent first capacitance induction units.
  • a gap is provided between the first capacitance sensing unit C-X1 and the adjacent first electromagnetic induction units L-X1 and L-X2, and the first capacitance sensing unit C-X2 and the adjacent first electromagnetic induction unit L-X2
  • a gap is provided between the first capacitance sensing unit C-X3 and the adjacent first electromagnetic sensing unit L-X3 and L-X4, and the first capacitance sensing unit C-X4 is connected to the phase
  • a gap is provided between the adjacent first electromagnetic induction units L-X4 and L-X5, and a gap is provided between the first capacitance sensor unit C-X5 and the adjacent first electromagnetic induction unit L-X5.
  • the bottom surface of the substrate is provided with five comb-shaped second electromagnetic induction units L-Y1, L-Y2, L-Y3, L-Y4 and L-Y5 along the Y direction.
  • a gap is provided between the second capacitance sensing unit C-Y1 and the adjacent second electromagnetic induction units L-Y1 and L-Y2, and the second capacitance sensing unit C-Y2 and the adjacent second electromagnetic induction unit L-Y2
  • a gap is provided between the second capacitance sensing unit C-Y3 and the adjacent second electromagnetic sensing unit L-Y3 and L-Y4, and the second capacitance sensing unit C-Y4 is connected to the phase
  • a gap is provided between the adjacent second electromagnetic induction units L-Y4 and L-Y5, and a gap is provided between the second capacitance sensor unit C-Y5 and the adjacent second electromagnetic induction unit L-Y5.
  • the touch control unit 32 includes a controller 321, a signal switching circuit 322, a capacitive touch signal detection circuit 323 and an electromagnetic touch signal detection circuit 324. Both the capacitive induction antenna group 311 and the electromagnetic induction antenna group 312 are connected to the signal switching circuit 322 through an input signal bus.
  • the signal switching circuit 322 is connected to the controller 321, the capacitive touch signal detection circuit 323 and the electromagnetic touch signal detection circuit 324, and the controller 321 sends a switching control signal to the signal switching circuit 322.
  • the capacitive touch signal detection circuit 323 detects the signal received by the capacitive sensing antenna group 311, and sends the detected capacitive touch signal to the controller 321 .
  • the controller calculates the positions in the first direction and the second direction according to the received capacitive touch signal.
  • the electromagnetic touch signal detection circuit 312 detects the signal received by the electromagnetic induction antenna group 312, and sends the detected electromagnetic touch signal to the controller 321.
  • the controller 321 calculates the position information in the first direction and the second direction according to the received electromagnetic touch signal.
  • the first capacitive sensing unit C-X1 to C-X5 sequentially emits signals with a preset frequency, and the measurement is performed based on the signal received by the second capacitive sensing unit C-Y1 to C-Y5.
  • the signals received by the second capacitance sensing unit C-Y1 to C-Y5 are all consistent; when the first capacitance sensing unit C-X1 to C-X1 to C -When X5 is touched, the signals received by the second capacitance sensing units C-Y1 to C-Y5 will change, so that the touch position is determined according to the change in capacitance value.
  • the first capacitance sensing unit C-X4 and the second capacitance sensing unit C-Y2 changes, it can be determined that the first capacitance sensing unit C-X4 and the second capacitance sensing unit C-Y2 The intersecting area is the touch position, and then by comparing the first capacitance sensing unit C-X3 and C-X5 to emit signals, the second capacitance sensing unit C-Y1 and C-Y3 receive the strength of the signal to determine the accuracy of the touch position.
  • the first electromagnetic induction unit L-X1 and the second electromagnetic induction unit L -Y4 forms an electromagnetic induction antenna group 312.
  • the two taps of the electromagnetic induction antenna group 312 are respectively connected to the two input terminals of the electromagnetic signal touch circuit, and then the signal processing is performed to obtain the measured value, which can be obtained by measuring different electromagnetic induction units Position information in X and Y directions during electromagnetic touch.
  • first electromagnetic induction unit and the first capacitance sensing unit in the X direction, and the second electromagnetic induction unit and the second capacitance sensing unit in the Y direction can be realized.
  • there are no vias or jumpers between the top surface and the bottom surface of the substrate which can simplify the production process, reduce consumables, and facilitate production.
  • the difference between the dual-mode touch display device provided in this embodiment and the first embodiment is that on the top surface of the substrate, two first capacitive sensing units are arranged in parallel between two adjacent first electromagnetic induction units arranged along the X direction. , A gap is provided between the two first capacitive sensing units.
  • two second capacitive sensing units are arranged in parallel between two adjacent second electromagnetic sensing units arranged along the Y direction, and a gap is arranged between the two second capacitive sensing units.
  • the difference between the dual-mode touch display device provided in this embodiment and the first embodiment is that on the top surface of the substrate, two first electromagnetic induction units are arranged in parallel between two adjacent first capacitive induction units arranged along the X direction. , A gap is provided between the two first electromagnetic induction units.
  • two second electromagnetic induction units are arranged in parallel between two adjacent second capacitance induction units arranged along the Y direction, and a gap is arranged between the two second electromagnetic induction units.
  • This application provides a method for implementing a dual-mode touch display device, which includes the following steps:
  • the dual-mode touch module 3 is prepared, which specifically includes:
  • the first capacitive sensing unit and the second capacitive sensing unit form a capacitive sensing antenna group 311.
  • the two electromagnetic induction units and the second electromagnetic induction unit constitute an electromagnetic induction antenna group 312.
  • the touch control unit 32 includes a controller, a signal switching circuit, a capacitive touch signal detection circuit, and an electromagnetic touch signal detection circuit.
  • the capacitive induction antenna group 311 and the electromagnetic induction antenna group 312 are both connected to the signal switching circuit through an input signal bus.
  • the switching circuit is connected to the controller, the capacitive touch signal detection circuit and the electromagnetic touch signal detection circuit.
  • the capacitive touch signal detection circuit is connected to the capacitive induction antenna group 311, and the electromagnetic touch signal detection circuit is connected to the electromagnetic induction antenna group 312.
  • a dual-mode touch display device is prepared, which specifically includes:
  • the dual-mode touch module 3 is fixedly arranged above the display module 4, specifically, the dual-mode touch module 3 and the display module 4 can be bonded by transparent glue.
  • the transparent panel 2 of the display screen is fixedly arranged above the dual-mode touch module 3.
  • the dual-mode touch display device obtained by adopting the implementation method of the dual-mode touch display device of the present application can realize two modes of finger capacitive touch and electromagnetic pen electromagnetic touch.
  • the capacitive induction antenna group 311 and the electromagnetic induction antenna are comprehensively designed Group 312 can reduce production difficulty, reduce consumables, and improve the quality of finished products.

Abstract

本申请提供了一种双模式触控显示装置及其实现方法，触控显示装置包括显示屏透明面板、双模式触控模组和显示屏模组；双模式触控模组包括双模式天线阵列组和触控控制单元，双模式天线阵列组包括电容感应天线组和电磁感应天线组，电容感应天线组包括沿第一方向设置的第一电容感应单元和沿第二方向设置的第二电容感应单元；电磁感应天线组包括沿第一方向设置的第一电磁感应单元和沿第二方向设置的第二电磁感应单元；第一方向与第二方向为空间内相互垂直的两个方向；第一电容感应单元与第二电容感应单元之间相互绝缘，第一电磁感应单元与第二电磁感应单元之间相互绝缘。本申请能够实现电容和电磁两种模式的触控。

Description

双模式触控显示装置及其实现方法 技术领域
本申请属于触摸显示技术领域，具体涉及一种双模式触控显示装置及其实现方法。
背景技术
随着触摸屏行业的发展，人们对高精确和多功能触摸屏的需求迅速上升。现有的显示屏触控装置中，虽然电容式触控的灵敏度高，操作便捷且手触控体验好，但是其触控速率和分辨率偏低；而电磁笔触控具有极高的触控速率和分辨率，且具有真实的原笔迹书写功能。因此，人们迫切希望能够出现电容触摸和电磁笔双模式触控显示装置，这种装置不仅具有便捷的手触控功能，还具有像真实笔一样流畅书写的功能。
为解决这一问题，现有技术中将电容屏、液晶显示屏和电磁板依次叠加组合为一体，从而实现电容触摸和电磁感应的双功能，即电容触摸主要用于图形界面操作，电磁感应笔手写输入。现有的电磁屏、电容屏或者电磁电容混合屏都是分开设计线路，且在屏体中处于不同位置，这样就导致生产工艺复杂、耗材多、对装配工艺要求高。
发明内容
为至少在一定程度上克服相关技术中存在的问题，本申请提供了一种双模式触控显示装置及其实现方法。
根据本申请实施例的第一方面，本申请提供了一种双模式触控显示装置，其包括壳体以及设置在所述壳体内的显示屏透明面板、双模式触控模组和显示屏模组；所述双模式触控模组包括双模式天线阵列组和触控控制单元，所述双模式天线阵列组设置在所述显示屏透明面板和显示屏模组之间；
所述双模式天线阵列组包括电容感应天线组和电磁感应天线组，所述电容感应天线组包括沿第一方向设置的第一电容感应单元和沿第二方向设置 的第二电容感应单元；所述电磁感应天线组包括沿第一方向设置的第一电磁感应单元和沿第二方向设置的第二电磁感应单元；所述第一方向与第二方向为空间内相互垂直的两个方向；所述第一电容感应单元与第二电容感应单元之间相互绝缘，所述第一电磁感应单元与第二电磁感应单元之间相互绝缘；所述第一电容感应单元与第一电磁感应单元相间设置在一相同导电层，所述第二电容感应单元与第二电磁感应单元相间设置在另一相同导电层；触控控制单元与所述电容感应天线组和电磁感应天线组连接。
如上所述的双模式触控显示装置，所述第一电容感应单元与相邻的所述第一电磁感应单元之间设置有间隙，所述第二电容感应单元与相邻的所述第二电磁感应单元之间设置有间隙。
如上所述的双模式触控显示装置，所述第一电容感应单元与第一电磁感应单元所在的导电层中设置有第一触控有效区，所述第二电容感应单元与第二电磁感应单元所在的导电层中设置有第二触控有效区；所述第一触控有效区在第二触控有效区所在导电层的投影与所述第二触控有效区重合。
如上所述的双模式触控显示装置，所述触控控制单元包括控制器、信号切换电路、电容触控信号检测电路和电磁触控信号检测电路，所述电容感应天线组和电磁感应天线组均通过输入信号总线与所述信号切换电路连接；所述信号切换电路与控制器、电容触控信号检测电路和电磁触控信号检测电路连接，所述控制器向信号切换电路发送切换控制信号；所述信号切换电路切换至所述电容触控信号检测电路时，所述电容触控信号检测电路对所述电容感应天线组接收到的信号进行检测，并将检测到的电容触控信号发送给所述控制器；所述信号切换电路切换至所述电磁触控信号检测电路时，所述电磁触控信号检测电路对所述电磁感应天线组接收到的信号进行检测，并将检测到的电磁触控信号发送给所述控制器。
如上所述的双模式触控显示装置，所述第一电容感应单元与第一电磁感应单元相间设置在一基板的顶面，所述第二电容感应单元与第二电磁感应单元相间设置在所述基板的底面，所述基板的顶面和底面之间绝缘。
如上所述的双模式触控显示装置，进一步地，所述第一电磁感应单元沿X方向呈梳齿状排列在所述基板的顶面上，所述两相邻的第一电容感应单元之间设置有一第一电磁感应单元；所述第二电磁感应单元沿Y方向呈梳齿状排列在所述基板的底面上，所述两相邻的第二电容感应单元之间设置有一第二电磁感应单元。
如上所述的双模式触控显示装置，进一步地，在所述基板的顶面，沿X方向设置的两相邻的所述第一电磁感应单元之间平行设置有两所述第一电容感应单元，两所述第一电容感应单元之间设置有间隙；在所述基板的底面，沿Y方向设置的两相邻的所述第二电磁感应单元之间平行设置有两所述第二电容感应单元，两所述第二电容感应单元之间设置有间隙。
如上所述的双模式触控显示装置，进一步地，在所述基板的顶面，沿X方向设置的两相邻的所述第一电容感应单元之间平行设置有两所述第一电磁感应单元，两所述第一电磁感应单元之间设置有间隙；在所述基板的底面，沿Y方向设置的两相邻的所述第二电容感应单元之间平行设置有两所述第二电磁感应单元，两所述第二电磁感应单元之间设置有间隙。
如上所述的双模式触控显示装置，所述第一电容感应单元与第一电磁感应单元相间设置在一单面导电的基材上，所述第二电容感应单元与第二电磁感应单元相间设置在另一单面导电的基材上，两单面导电的基材的绝缘面固定连接在一起。
根据本申请实施例的第二方面，本申请还提供了一种双模式触控显示装置的实现方法，其包括以下步骤：
制备得到双模式触控模组，其包括：
在一导电层上沿第一方向蚀刻两个以上的第一电容感应单元和第一电磁感应单元，在另一导电层上沿第二方向蚀刻两个以上的第二电容感应单元和第二电磁感应单元；其中，两个导电层之间绝缘，第一方向与第二方向为空间内相互垂直的两个方向；第一电容感应单元与第一电磁感应单元相间设置，第一电容感应单元与相邻的第一电磁感应单元之间设置有间隙；第二电 容感应单元与第二电磁感应单元相间设置，第二电容感应单元与相邻的第二电磁感应单元之间设置有间隙；
在两个导电层上设置形状相同的触控有效区，根据触控有效区将两个导电层固定在一起，第一电容感应单元与第二电容感应单元构成电容感应天线组，第二电磁感应单元与第二电磁感应单元构成电磁感应天线组；
将触控控制单元与电磁感应天线组和电容感应天线组进行连接；
制备得到双模式触控显示装置，其包括：
将显示屏模组固定设置在一壳体中；
将双模式触控模组固定设置在显示屏模组的上方；
将显示屏透明面板固定设置在双模式触控模组的上方。
根据本申请的上述具体实施方式可知，至少具有以下有益效果：本申请双模式触控显示装置能够实现手指电容触控和电磁笔电磁触控两种模式的触控，综合设计电容感应天线组和电磁感应天线组能够降低生产难度，减少耗材，提高成品的品质。
应了解的是，上述一般描述及以下具体实施方式仅为示例性及阐释性的，其并不能限制本申请所欲主张的范围。
附图说明
下面的所附附图是本申请的说明书的一部分，其示出了本申请的实施例，所附附图与说明书的描述一起用来说明本申请的原理。
图1为本申请具体实施方式提供的一种双模式触控显示装置的结构示意图。
图2为本申请具体实施方式提供的一种双模式触控显示装置中双模式触控模组的电路原理图。
图3为本申请具体实施方式提供的一种双模式触控显示装置中沿X方向设置的第一电容感应单元与第一电磁感应单元的结构示意图。
图4为本申请具体实施方式提供的一种双模式触控显示装置中沿Y方向设置的第二电容感应单元与第二电磁感应单元的结构示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚明白，下面将以附图及详细叙述清楚说明本申请所揭示内容的精神，任何所属技术领域技术人员在了解本申请内容的实施例后，当可由本申请内容所教示的技术，加以改变及修饰，其并不脱离本申请内容的精神与范围。
本申请的示意性实施例及其说明用于解释本申请，但并不作为对本申请的限定。另外，在附图及实施方式中所使用相同或类似标号的元件/构件是用来代表相同或类似部分。
关于本文中所使用的“第一”、“第二”、…等，并非特别指称次序或顺位的意思，也非用以限定本申请，其仅为了区别以相同技术用语描述的元件或操作。
关于本文中所使用的方向用语，例如：上、下、左、右、前或后等，仅是参考附图的方向。因此，使用的方向用语是用来说明并非用来限制本创作。
关于本文中所使用的“包含”、“包括”、“具有”、“含有”等等，均为开放性的用语，即意指包含但不限于。
关于本文中所使用的“及/或”，包括所述事物的任一或全部组合。
关于本文中的“多个”包括“两个”及“两个以上”；关于本文中的“多组”包括“两组”及“两组以上”。
关于本文中所使用的用语“大致”、“约”等，用以修饰任何可以细微变化的数量或误差，但这些微变化或误差并不会改变其本质。一般而言，此类用语所修饰的细微变化或误差的范围在部分实施例中可为20％，在部分实施例中可为10％，在部分实施例中可为5％或是其他数值。本领域技术人员应当了解，前述提及的数值可依实际需求而调整，并不以此为限。
某些用以描述本申请的用词将于下或在此说明书的别处讨论，以提供本领域技术人员在有关本申请的描述上额外的引导。
本申请提供了一种双模式触控显示装置，其包括壳体以及设置在壳体内的显示屏透明面板、双模式触控模组和显示屏模组。双模式触控模组包括双 模式天线阵列组和触控控制单元，其中，双模式天线阵列组设置在显示屏透明面板和显示屏模组之间。
双模式天线阵列组包括电容感应天线组和电磁感应天线组。电容感应天线组和电磁感应天线组相互独立，二者之间无任何连接。其中，电容感应天线组包括沿第一方向设置的第一电容感应单元和沿第二方向设置的第二电容感应单元。电磁感应天线组包括沿第一方向设置的第一电磁感应单元和沿第二方向设置的第二电磁感应单元。第一方向与第二方向为空间内相互垂直的两个方向。第一电容感应单元与第二电容感应单元之间相互绝缘。第一电磁感应单元与第二电磁感应单元之间相互绝缘。第一电容感应单元与第一电磁感应单元相间设置在一相同导电层，第二电容感应单元与第二电磁感应单元相间设置在另一相同导电层。另外，第一电容感应单元与相邻的第一电磁感应单元之间设置有间隙，第二电容感应单元与相邻的第二电磁感应单元之间设置有间隙。
触控控制单元包括控制器、信号切换电路、电容触控信号检测电路和电磁触控信号检测电路。电容感应天线组和电磁感应天线组均通过输入信号总线与信号切换电路连接。信号切换电路与控制器、电容触控信号检测电路和电磁触控信号检测电路连接，控制器向信号切换电路发送切换控制信号。当信号切换电路切换至电容触控信号检测电路时，电容触控信号检测电路对电容感应天线组接收到的信号进行检测，并将检测到的电容触控信号发送给控制器。控制器根据接收到的电容触控信号计算得到第一方向和第二方向的位置。当信号切换电路切换至电磁触控信号检测电路时，电磁触控信号检测电路对电磁感应天线组接收到的信号进行检测，并将检测到的电磁触控信号发送给控制器。控制器根据接收到的电磁触控信号计算得到第一方向和第二方向的位置信息。
进一步地，第一电容感应单元与第一电磁感应单元所在的导电层中设置有第一触控有效区，第二电容感应单元与第二电磁感应单元所在的导电层中设置有第二触控有效区。第一触控有效区在第二触控有效区所在导电层的投 影与第二触控有效区重合。
由于第一电容感应单元与对应的第二电容感应单元是各自独立的导体，且相互绝缘，因此在每个第一方向和第二方向电容感应单元交集的区域都会形成电容，这个电容值是相对稳定的。当手指进行触控时，电容值会发生变化，根据电容值的变化就可以判断得到手指触摸的位置。
电磁笔进行触控时，电磁感应天线组会接收到电磁信号，控制器根据电磁信号可以得到电磁触控时第一方向和第二方向的位置信息。
实施例一
图1为本申请实施例一提供的一种双模式触控显示装置的结构示意图。图2为本申请具体实施方式提供的一种双模式触控显示装置中双模式触控模组的电路原理图。如图1和图2所示，该双模式触控显示装置包括壳体1以及设置在壳体1内的显示屏透明面板2、双模式触控模组3和显示屏模组4。双模式触控模组3包括双模式天线阵列组31和触控控制单元32，其中，双模式天线阵列组31设置在显示屏透明面板2和显示屏模组4之间。
双模式天线阵列组31包括电容感应天线组311和电磁感应天线组312。电容感应天线组311和电磁感应天线组312相互独立，二者之间无任何连接。其中，电容感应天线组311包括沿X方向设置的第一电容感应单元和沿Y方向设置的第二电容感应单元。电磁感应天线组312包括沿X方向设置的第一电磁感应单元和沿Y方向设置的第二电磁感应单元。第一电容感应单元与第二电容感应单元之间相互绝缘。第一电磁感应单元与第二电磁感应单元之间相互绝缘。第一电容感应单元与第一电磁感应单元相间设置在基板的顶面，第二电容感应单元与第二电磁感应单元相间设置在基板的底面。基板的顶面和底面之间无任何电气连接。其中，基板采用绝缘材料制成。
另外，第一电容感应单元与第一电磁感应单元还可以相间设置在一单面导电的基材上，第二电容感应单元与第二电磁感应单元还可以相间设置在另一单面导电的基材上，两单面导电的基材的绝缘面固定连接在一起。
在本实施例中，如图3所示，基板的顶面沿X方向设置有五个梳齿状排 列的第一电磁感应单元L-X1、L-X2、L-X3、L-X4和L-X5，五个第一电容感应单元C-X1、C-X2、C-X3、C-X4和C-X5与五个第一电磁感应单元L-X1、L-X2、L-X3、L-X4和L-X5依次间隔设置。即两相邻的第一电容感应单元之间设置有一第一电磁感应单元。
第一电容感应单元C-X1与相邻的第一电磁感应单元L-X1和L-X2之间设置有间隙，第一电容感应单元C-X2与相邻的第一电磁感应单元L-X2和L-X3之间设置有间隙，第一电容感应单元C-X3与相邻的第一电磁感应单元L-X3和L-X4之间设置有间隙，第一电容感应单元C-X4与相邻的第一电磁感应单元L-X4和L-X5之间设置有间隙，第一电容感应单元C-X5与相邻的第一电磁感应单元L-X5之间设置有间隙。
如图4所示，基板的底面沿Y方向设置有五个梳齿状排列的第二电磁感应单元L-Y1、L-Y2、L-Y3、L-Y4和L-Y5，五个第二电容感应单元C-Y1、C-Y2、C-Y3、C-Y4和C-Y5与五个第二电磁感应单元L-Y1、L-Y2、L-Y3、L-Y4和L-Y5依次间隔设置。即两相邻的第二电容感应单元之间设置有一第二电磁感应单元。
第二电容感应单元C-Y1与相邻的第二电磁感应单元L-Y1和L-Y2之间设置有间隙，第二电容感应单元C-Y2与相邻的第二电磁感应单元L-Y2和L-Y3之间设置有间隙，第二电容感应单元C-Y3与相邻的第二电磁感应单元L-Y3和L-Y4之间设置有间隙，第二电容感应单元C-Y4与相邻的第二电磁感应单元L-Y4和L-Y5之间设置有间隙，第二电容感应单元C-Y5与相邻的第二电磁感应单元L-Y5之间设置有间隙。
触控控制单元32包括控制器321、信号切换电路322、电容触控信号检测电路323和电磁触控信号检测电路324。电容感应天线组311和电磁感应天线组312均通过输入信号总线与信号切换电路322连接。信号切换电路322与控制器321、电容触控信号检测电路323和电磁触控信号检测电路324连接，控制器321向信号切换电路322发送切换控制信号。当信号切换电路322切换至电容触控信号检测电路323时，电容触控信号检测电路323对电容感 应天线组311接收到的信号进行检测，并将检测到的电容触控信号发送给控制器321。控制器根据接收到的电容触控信号计算得到第一方向和第二方向的位置。当信号切换电路切换至电磁触控信号检测电路312时，电磁触控信号检测电路312对电磁感应天线组312接收到的信号进行检测，并将检测到的电磁触控信号发送给控制器321。控制器321根据接收到的电磁触控信号计算得到第一方向和第二方向的位置信息。
利用手指进行电容触控时，通过第一电容感应单元C-X1到C-X5依次发射预设频率的信号，根据第二电容感应单元C-Y1到C-Y5接收到的信号进行测量，当对第一电容感应单元C-X1到C-X5没有触摸时，第二电容感应单元C-Y1到C-Y5接收到的信号都是一致的；当对第一电容感应单元C-X1到C-X5有触摸时，第二电容感应单元C-Y1到C-Y5接收到的信号会发生改变，从而根据电容值的变化判断触摸位置。例如，当通过第一电容感应单元C-X4发射信号，第二电容感应单元C-Y2接收到的信号发生改变，则可以判断第一电容感应单元C-X4与第二电容感应单元C-Y2相交的区域即触摸位置，再通过对比第一电容感应单元C-X3和C-X5分别发射信号，第二电容感应单元C-Y1和C-Y3接收到的信号的强弱判断出触摸的精确位置。
利用电磁笔进行电磁触控时，通过选中任意两个第一电磁感应单元和第二电磁感应单元组成一个电磁感应天线组312，例如，第一电磁感应单元L-X1与第二电磁感应单元L-Y4组成一个电磁感应天线组312，电磁感应天线组312的两个抽头分别连接电磁信号触控电路的两个输入端，然后进行信号处理得到测量值，通过测量不同的电磁感应单元就可以获得电磁触控时X和Y方向的位置信息。
通过在一块基板上综合设置X方向的第一电磁感应单元和第一电容感应单元，Y方向的第二电磁感应单元和第二电容感应单元，能够实现手和笔双模式触控。而且基板的顶面和底面之间不存在任何过孔或跳线，能够简化生产工艺、减少耗材、方便生产。
实施例二
本实施例提供的双模式触控显示装置与实施例一的区别在于，在基板的顶面，沿X方向设置的两相邻的第一电磁感应单元之间平行设置有两第一电容感应单元，两第一电容感应单元之间设置有间隙。在基板的底面，沿Y方向设置的两相邻的第二电磁感应单元之间平行设置有两第二电容感应单元，两第二电容感应单元之间设置有间隙。本实施例通过对第一电容感应单元和第二电容感应单元进行加密，能够提高双模式触控显示装置的电容触控特性。
实施例三
本实施例提供的双模式触控显示装置与实施例一的区别在于，在基板的顶面，沿X方向设置的两相邻的第一电容感应单元之间平行设置有两第一电磁感应单元，两第一电磁感应单元之间设置有间隙。在基板的底面，沿Y方向设置的两相邻的第二电容感应单元之间平行设置有两第二电磁感应单元，两第二电磁感应单元之间设置有间隙。本实施例通过对第一电磁感应单元和第二电磁感应单元进行加密，能够提高双模式触控显示装置的电磁触控特性。
本申请提供了一种双模式触控显示装置的实现方法，其包括以下步骤：
S1、制备得到双模式触控模组3，其具体包括：
S11、在一导电层上沿第一方向蚀刻两个以上的第一电容感应单元和第一电磁感应单元，在另一导电层上沿第二方向蚀刻两个以上的第二电容感应单元和第二电磁感应单元；其中，两个导电层之间绝缘，第一方向与第二方向为空间内相互垂直的两个方向；第一电容感应单元与第一电磁感应单元相间设置，第一电容感应单元与相邻的第一电磁感应单元之间设置有间隙；第二电容感应单元与第二电磁感应单元相间设置，第二电容感应单元与相邻的第二电磁感应单元之间设置有间隙。
S12、在两个导电层上设置形状相同的触控有效区，根据触控有效区将两个导电层固定在一起，第一电容感应单元与第二电容感应单元构成电容感应天线组311，第二电磁感应单元与第二电磁感应单元构成电磁感应天线组 312。
S13、将触控控制单元32与电磁感应天线组312和电容感应天线组311进行连接，其具体为：
触控控制单元32包括控制器、信号切换电路、电容触控信号检测电路和电磁触控信号检测电路，电容感应天线组311和电磁感应天线组312均通过输入信号总线与信号切换电路连接，信号切换电路与控制器、电容触控信号检测电路和电磁触控信号检测电路连接，电容触控信号检测电路与电容感应天线组311连接，电磁触控信号检测电路与电磁感应天线组312连接。
S2、制备得到双模式触控显示装置，其具体包括：
S21、将显示屏模组4固定设置在一壳体1中。
S22、将双模式触控模组3固定设置在显示屏模组4的上方，具体地，双模式触控模组3与显示屏模组4之间可以通过透明胶进行粘接。
S23、将显示屏透明面板2固定设置在双模式触控模组3的上方。
采用本申请双模式触控显示装置的实现方法得到的双模式触控显示装置能够实现手指电容触控和电磁笔电磁触控两种模式的触控，综合设计电容感应天线组311和电磁感应天线组312能够降低生产难度，减少耗材，提高成品的品质。
以上所述仅为本申请示意性的具体实施方式，在不脱离本申请的构思和原则的前提下，任何本领域的技术人员所做出的等同变化与修改，均应属于本申请保护的范围。

Claims (10)

  1. 一种双模式触控显示装置，其特征在于，包括壳体以及设置在所述壳体内的显示屏透明面板、双模式触控模组和显示屏模组；所述双模式触控模组包括双模式天线阵列组和触控控制单元，所述双模式天线阵列组设置在所述显示屏透明面板和显示屏模组之间；
    所述双模式天线阵列组包括电容感应天线组和电磁感应天线组，所述电容感应天线组包括沿第一方向设置的第一电容感应单元和沿第二方向设置的第二电容感应单元；所述电磁感应天线组包括沿第一方向设置的第一电磁感应单元和沿第二方向设置的第二电磁感应单元；所述第一方向与第二方向为空间内相互垂直的两个方向；所述第一电容感应单元与第二电容感应单元之间相互绝缘，所述第一电磁感应单元与第二电磁感应单元之间相互绝缘；所述第一电容感应单元与第一电磁感应单元相间设置在一相同导电层，所述第二电容感应单元与第二电磁感应单元相间设置在另一相同导电层；触控控制单元与所述电容感应天线组和电磁感应天线组连接。
  2. 根据权利要求1所述的一种双模式触控显示装置，其特征在于，所述第一电容感应单元与相邻的所述第一电磁感应单元之间设置有间隙，所述第二电容感应单元与相邻的所述第二电磁感应单元之间设置有间隙。
  3. 根据权利要求1所述的一种双模式触控显示装置，其特征在于，所述第一电容感应单元与第一电磁感应单元所在的导电层中设置有第一触控有效区，所述第二电容感应单元与第二电磁感应单元所在的导电层中设置有第二触控有效区；所述第一触控有效区在第二触控有效区所在导电层的投影与所述第二触控有效区重合。
  4. 根据权利要求1或2或3所述的一种双模式触控显示装置，其特征在于，所述触控控制单元包括控制器、信号切换电路、电容触控信号检测电路和电磁触控信号检测电路，所述电容感应天线组和电磁感应天线组均通过输入信号总线与所述信号切换电路连接；所述信号切换电路与控制器、电容触控信号检测电路和电磁触控信号检测电路连接，所述控制器向信号切换电路发送切换控制信号；所述信号切换电路切换至所述电容触控信号检测电路 时，所述电容触控信号检测电路对所述电容感应天线组接收到的信号进行检测，并将检测到的电容触控信号发送给所述控制器；所述信号切换电路切换至所述电磁触控信号检测电路时，所述电磁触控信号检测电路对所述电磁感应天线组接收到的信号进行检测，并将检测到的电磁触控信号发送给所述控制器。
  5. 根据权利要求1或2或3所述的一种双模式触控显示装置，其特征在于，所述第一电容感应单元与第一电磁感应单元相间设置在一基板的顶面，所述第二电容感应单元与第二电磁感应单元相间设置在所述基板的底面，所述基板的顶面和底面之间绝缘。
  6. 根据权利要求5所述的一种双模式触控显示装置，其特征在于，所述第一电磁感应单元沿X方向呈梳齿状排列在所述基板的顶面上，所述两相邻的第一电容感应单元之间设置有一第一电磁感应单元；所述第二电磁感应单元沿Y方向呈梳齿状排列在所述基板的底面上，所述两相邻的第二电容感应单元之间设置有一第二电磁感应单元。
  7. 根据权利要求5所述的一种双模式触控显示装置，其特征在于，在所述基板的顶面，沿X方向设置的两相邻的所述第一电磁感应单元之间平行设置有两所述第一电容感应单元，两所述第一电容感应单元之间设置有间隙；在所述基板的底面，沿Y方向设置的两相邻的所述第二电磁感应单元之间平行设置有两所述第二电容感应单元，两所述第二电容感应单元之间设置有间隙。
  8. 根据权利要求5所述的一种双模式触控显示装置，其特征在于，在所述基板的顶面，沿X方向设置的两相邻的所述第一电容感应单元之间平行设置有两所述第一电磁感应单元，两所述第一电磁感应单元之间设置有间隙；在所述基板的底面，沿Y方向设置的两相邻的所述第二电容感应单元之间平行设置有两所述第二电磁感应单元，两所述第二电磁感应单元之间设置有间隙。
  9. 根据权利要求1或2或3所述的一种双模式触控显示装置，其特征 在于，所述第一电容感应单元与第一电磁感应单元相间设置在一单面导电的基材上，所述第二电容感应单元与第二电磁感应单元相间设置在另一单面导电的基材上，两单面导电的基材的绝缘面固定连接在一起。
  10. 一种双模式触控显示装置的实现方法，其特征在于，包括以下步骤：
    制备得到双模式触控模组，其包括：
    在一导电层上沿第一方向蚀刻两个以上的第一电容感应单元和第一电磁感应单元，在另一导电层上沿第二方向蚀刻两个以上的第二电容感应单元和第二电磁感应单元；其中，两个导电层之间绝缘，第一方向与第二方向为空间内相互垂直的两个方向；第一电容感应单元与第一电磁感应单元相间设置，第一电容感应单元与相邻的第一电磁感应单元之间设置有间隙；第二电容感应单元与第二电磁感应单元相间设置，第二电容感应单元与相邻的第二电磁感应单元之间设置有间隙；
    在两个导电层上设置形状相同的触控有效区，根据触控有效区将两个导电层固定在一起，第一电容感应单元与第二电容感应单元构成电容感应天线组，第二电磁感应单元与第二电磁感应单元构成电磁感应天线组；
    将触控控制单元与电磁感应天线组和电容感应天线组进行连接；
    制备得到双模式触控显示装置，其包括：
    将显示屏模组固定设置在一壳体中；
    将双模式触控模组固定设置在显示屏模组的上方；
    将显示屏透明面板固定设置在双模式触控模组的上方。
PCT/CN2019/116909 2019-01-16 2019-11-09 双模式触控显示装置及其实现方法 WO2020147386A1 (zh)

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