WO2019007084A1 - 触控感应结构、工作方法、触控基板、制作方法、触控显示装置 - Google Patents

触控感应结构、工作方法、触控基板、制作方法、触控显示装置 Download PDF

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Publication number
WO2019007084A1
WO2019007084A1 PCT/CN2018/077392 CN2018077392W WO2019007084A1 WO 2019007084 A1 WO2019007084 A1 WO 2019007084A1 CN 2018077392 W CN2018077392 W CN 2018077392W WO 2019007084 A1 WO2019007084 A1 WO 2019007084A1
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Prior art keywords
touch
signal line
substrate
inductive driving
sensing layer
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PCT/CN2018/077392
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English (en)
French (fr)
Inventor
丁小梁
王海生
刘英明
韩艳玲
郑智仁
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京东方科技集团股份有限公司
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Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US16/303,473 priority Critical patent/US10691280B1/en
Publication of WO2019007084A1 publication Critical patent/WO2019007084A1/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
    • G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • 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
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048—Indexing scheme relating to G06F3/048
    • G06F2203/04809—Textured surface identifying touch areas, e.g. overlay structure for a virtual keyboard

Definitions

  • the present disclosure relates to the field of touch technologies, and in particular, to a touch sensing structure, a working method, a touch substrate, a manufacturing method, and a touch display device.
  • the touch display device includes a touch screen, a display screen, and a touch integrated circuit (integrated circuit; IC), and the touch IC is electrically connected to the touch screen and the display screen.
  • IC integrated circuit
  • the touch display device When the touch display device is operated, the user touches the corresponding position of the touch screen according to the operation icon displayed on the display screen, but since the touch screen touched by the user is a plane, the user does not necessarily touch the touch screen. Being able to touch the correct location may require multiple attempts to touch the correct location, affecting the user's experience, and the touchscreen is not available to users with poor eyesight.
  • a touch sensing structure including:
  • sensing layer disposed in contact with the inductive driving electrode, the hardness of the sensing layer being changeable with a voltage difference of an electrical signal applied on the first signal line and the second signal line.
  • the sensing layer is made of a hydrogel material.
  • the sensing layer is entirely covered on the inductive driving electrode.
  • the inductive drive electrode has a hollowed out area.
  • the inductive driving electrode is directly connected to the sensing layer.
  • the sensing layer is made of a polymer hydrogel material whose hardness changes with temperature.
  • the sensing layer is made of a polymer hydrogel material whose hardness becomes larger as the temperature increases.
  • the embodiment of the present disclosure further provides a method for operating a touch sensing structure, which is applied to the touch sensing structure as described above, and the working method includes:
  • An electrical signal applied to the first signal line and the second signal line is controlled to vary a hardness of the sensing layer in contact with the inductive driving electrode.
  • a voltage difference between the electrical signals applied on the first signal line and the second signal line is positively correlated with the hardness of the sensing layer.
  • the embodiment of the present disclosure further provides a touch substrate, including:
  • the touch sensing structure includes:
  • Inductive driving electrodes respectively connected to the first signal line and the second signal line;
  • a sensing layer disposed in contact with the inductive driving electrode
  • the hardness of the sensing layer varies with a voltage difference between the first signal line and the electrical signal applied on the second signal line; the inductive driving electrode is adjacent to and spaced apart from the touch electrode.
  • the inductive driving electrode has a hollow region, and the touch electrode is located in the hollow region and is spaced apart from the inductive driving electrode.
  • the sensing layer is entirely covered on the inductive driving electrode and the touch electrode.
  • the sensing layer is made of a hydrogel material.
  • the inductive driving electrode is directly connected to the sensing layer.
  • the touch electrode and the inductive driving electrode are disposed in the same material in the same layer.
  • each of the inductive driving electrodes has at least one hollowed out area, and one of each hollowed out area is disposed The touch electrode.
  • each of the inductive driving electrodes has a plurality of hollow regions, and one of the touch electrodes is disposed in each of the hollow regions.
  • the touch substrate may further include: an elastic protective layer covering the touch sensing structure.
  • the embodiment of the present disclosure further provides a touch display device including the touch substrate as described above.
  • the touch display device further includes a display panel stacked on the touch substrate, the display panel includes an array substrate and a color film substrate disposed on the box, the color film substrate and the touch The substrate shares a substrate, and the touch sensing structure is located on a side surface of the color filter substrate facing away from the array substrate.
  • the embodiment of the present disclosure further provides a method for manufacturing a touch substrate, including:
  • a sensing layer disposed in contact with the inductive driving electrode is formed.
  • the method further includes the step of forming a touch electrode, where the inductive driving electrode is formed as follows:
  • the touch electrode and the inductive driving electrode are simultaneously formed by one patterning process.
  • FIG. 1 is a schematic structural view of a touch substrate according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a touch display device according to an embodiment of the present disclosure
  • FIG. 3 is a schematic plan view of a touch substrate according to an embodiment of the present disclosure.
  • the embodiment of the present disclosure is directed to the related art that the touch screen touched by the user is a plane. Therefore, the user does not necessarily touch the correct position when touching the touch screen, and may need to try multiple times to touch the correct position.
  • the user experience is affected, and the touch screen in the related art is unusable for users with poor eyesight, and provides a touch sensing structure, a working method, a touch substrate, a manufacturing method, and a touch display device.
  • the touch navigation is implemented, so that the user can accurately perceive the position of the operation icon and improve the user experience.
  • the embodiment of the present disclosure provides a touch sensing structure, including:
  • sensing layer disposed in contact with the inductive driving electrode, the hardness of the sensing layer being changeable with a voltage difference of an electrical signal applied on the first signal line and the second signal line.
  • the inductive driving electrode when there is a voltage difference between the electrical signal input by the first signal line and the electrical signal input and output by the second signal line, the inductive driving electrode generates a current, so that the sensing layer in contact with the inductive driving electrode can be heated.
  • the hardness of the sensing layer changes.
  • the electrical signals applied to the first signal line and the second signal line can be controlled, so that the hardness of the sensing layer corresponding to the position of the operation icon changes, thereby enabling the user to accurately perceive.
  • the touch navigation can be realized by the touch of the finger, and the user with poor vision can also use the touch display device of the present disclosure.
  • a voltage difference between the first signal line and the second signal line is positively correlated with the hardness of the sensing layer, that is, with the first signal line and the second signal line.
  • the greater the voltage difference of the electrical signal the greater the hardness of the sensing layer, so that the hardness of the sensing layer can be controlled by controlling the electrical signals applied to the first signal line and the second signal line.
  • the sensing layer is made of a hydrogel material, specifically a polymer hydrogel material, and the hydrogel material has a low hardness in an unactivated state; the hardness is higher in an activated state, and activation is achieved by heating.
  • the sensing layer can also be prepared using other materials as long as it can satisfy the change of the hardness of the sensing layer after being heated.
  • the embodiment of the present disclosure further provides a method for operating a touch sensing structure, which is applied to the touch sensing structure as described above, and the working method includes:
  • An electrical signal applied to the first signal line and the second signal line is controlled to vary a hardness of the sensing layer in contact with the inductive driving electrode.
  • a voltage difference between the first signal line and the second signal line is positively correlated with a hardness of the sensing layer, that is, the first signal line and the second signal. The greater the voltage difference of the electrical signals applied on the line, the greater the hardness of the sensing layer.
  • the embodiment of the present disclosure further provides a touch substrate including a touch electrode disposed on the substrate, and further comprising a touch sensing structure as described above on the substrate.
  • the inductive driving electrode when there is a voltage difference between the electrical signal input by the first signal line and the electrical signal input and output by the second signal line, the inductive driving electrode generates a current, thereby being able to contact the inductive driving electrode.
  • the sensing layer is heated to change the hardness of the sensing layer.
  • the touch electrode and the inductive driving electrode are disposed in the same material in the same layer, so that the touch electrode and the inductive driving electrode can be simultaneously formed by one patterning process, which can save the number of patterning of the touch substrate and reduce the number of patterns.
  • the production cost of the touch substrate is a part of the touch electrode and the inductive driving electrode.
  • a plurality of the inductive driving electrodes and a plurality of the touch electrodes are arranged on the substrate, the inductive driving electrodes have a hollowed out area, and the touch electrodes are located in the hollowed out area. In this way, the inductive driving electrode and the touch electrode can be alternately and evenly distributed on the substrate.
  • the touch substrate further includes:
  • the elastic protective layer covering the touch sensing structure that is in contact with the user's finger must be made of an elastic material.
  • the embodiment of the present disclosure further provides a touch display device including the touch substrate as described above.
  • the touch display device may be any product or component having a display function, such as a television, a display, a digital photo frame, a mobile phone, a tablet computer, etc., wherein the display device further includes a flexible circuit board, a printed circuit board, and a backboard.
  • the electrical signals applied to the first signal line and the second signal line can be controlled to change the hardness of the sensing layer corresponding to the position of the operation icon, thereby enabling the user to accurately perceive
  • the touch navigation can be realized by the touch of the finger, and the user with poor vision can also use the touch display device of the present disclosure.
  • the touch substrate of the present embodiment includes a signal line layer 2 , an inductive driving electrode and a touch electrode layer 3 on the substrate 1 .
  • the signal line layer 2 includes a first signal line and a second signal line.
  • the first signal line and the second signal line may be made of a metal having a lower resistivity, and the first signal line and the second signal line may be located in the same Layers can also be located on different layers.
  • the inductive driving electrode and the touch electrode may be located on the same layer, which can be simultaneously formed by one patterning process.
  • the sensing layer 4 can be made of a hydrogel material which is transparent in an inactive state and has a low hardness; the hardness is high in the activated state, the activation is achieved by heating, and the sensing layer 4 can be covered in the entire layer.
  • Driving electrodes and touch electrode layers 3 are provided.
  • the elastic protective layer 5 can be made of an elastic material such as polyurethane.
  • the touch substrate of the present embodiment can be integrated with the display panel to form a touch display device.
  • the touch display device includes a touch substrate and a liquid crystal display panel.
  • the liquid crystal display panel includes an array substrate 6, a color filter substrate 8, and a liquid crystal layer 7 between the array substrate 6 and the color filter substrate 8.
  • the touch substrate includes a signal line layer 2, an inductive driving electrode and a touch electrode layer 3, a sensing layer 4, and an elastic protective layer 5.
  • the touch substrate can share the same substrate as the color filter substrate 8, that is, the signal line layer 2 is prepared on the surface of the color filter substrate 8 facing away from the array substrate 6, so that the thickness of the touch display device can be reduced.
  • the touch substrate is not limited to be integrated with the liquid crystal display panel to form a touch display device, and can also be integrated with other types of display panels to form a touch display device, for example, integrated with the OLED display panel to form a touch display device.
  • a plurality of inductive driving electrodes 12 are arranged on the substrate, and the inductive driving electrodes 12 may be substantially rectangular.
  • the inductive driving electrode 12 has a hollowed out region 121, and the touch electrode 13 is located in the hollowed out region.
  • the touch electrodes 13 are connected to the touch circuit through the touch signal lines 11 for touch detection; the inductive driving electrodes 12 are respectively connected to the first signal lines 9 and the second signal lines 10.
  • the first signal line 9 can be made of the same layer of metal as the touch signal line 11, and the second signal line 10 can be made of another layer of metal, since each of the inductive driving electrodes 12 is respectively associated with a first signal line 9.
  • Connected to a second signal line 10 therefore, an electrical signal can be individually applied to each of the inductive driving electrodes such that each of the inductive driving electrodes generates a separate current to heat the sub-region of the sensing layer 4.
  • an electrical signal is input to the first signal line 9 and the second signal line 10, respectively, and a voltage difference is generated between the electrical signal input by the first signal line 9 and the electrical signal input and output by the second signal line 10.
  • the inductive driving electrode 12 generates a current, so that the sensing layer 4 in contact with the inductive driving electrode 12 can be heated, so that the hardness of the sensing layer 4 changes.
  • the electrical signals applied to the first signal line 9 and the second signal line 10 can be controlled to change the hardness of the sensing layer 4 corresponding to the position of the operation icon, thereby enabling The user accurately perceives the position of the operation icon, and the touch navigation can be realized by the touch of the finger, and the user with poor vision can also use the touch display device of the present disclosure.
  • the embodiment of the present disclosure further provides a method for manufacturing a touch substrate, including:
  • a sensing layer disposed in contact with the inductive driving electrode is formed.
  • the inductive driving electrode when there is a voltage difference between the electrical signal input by the first signal line and the electrical signal input and output by the second signal line, the inductive driving electrode generates a current, thereby being able to contact the inductive driving electrode.
  • the sensing layer is heated to change the hardness of the sensing layer.
  • the method further includes the step of forming a touch electrode, and the forming the inductive driving electrode is specifically:
  • the touch electrode and the inductive driving electrode are simultaneously formed by one patterning process.
  • the touch electrode and the inductive driving electrode are simultaneously formed by one patterning process, which can save the number of patterning of the touch substrate and reduce the production cost of the touch substrate.

Abstract

一种触控感应结构、工作方法、触控基板、制作方法、触控显示装置。触控感应结构包括：第一信号线（9）、第二信号线（10）、分别与所述第一信号线（9）和所述第二信号线（10）连接的多个感应驱动电极（12）、以及与所述感应驱动电极（12）接触设置的感应层（4）。通过控制施加在所述第一信号线（9）和所述第二信号线（10）上的电信号，能够使与所述感应驱动电极（12）相接触的感应层（4）的硬度发生变化。

Description

触控感应结构、工作方法、触控基板、制作方法、触控显示装置
相关申请的交叉引用
本申请主张在2017年7月3日在中国提交的中国专利申请号No.201710533162.5的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及触控技术领域，特别是指一种触控感应结构、工作方法、触控基板、制作方法、触控显示装置。
背景技术
随着触摸显示技术的发展，触控显示装置在人们的生产和生活中得到了广泛的应用。触控显示装置包括触控屏、显示屏和触控集成电路(英文：integrated circuit；简称：IC)，触控IC分别与触控屏以及显示屏电连接。
在操作触控显示装置时，用户根据显示屏显示的操作图标去触摸触控屏的相应位置，但是由于用户触摸到的触控屏是一个平面，因此，用户在触摸触控屏时并不一定能触摸到正确位置，可能需要多次尝试才能触摸到正确位置，影响了用户的体验，并且触控屏对于视力不好的用户是无法使用的。
发明内容
一方面，提供一种触控感应结构，包括：
第一信号线；
第二信号线；
分别与所述第一信号线和所述第二信号线连接的多个感应驱动电极；和
与所述感应驱动电极接触设置的感应层，所述感应层的硬度能够随所述第一信号线和所述第二信号线上施加的电信号的电压差变化。
可选地，所述感应层采用水凝胶材料制成。
可选地，所述感应层整层覆盖在所述感应驱动电极上。
可选地，所述感应驱动电极具有镂空区域。
可选地，所述感应驱动电极与所述感应层直接连接。
可选地，所述感应层采用硬度随温度变化而变化的高分子水凝胶材料制成。
可选地，所述感应层采用硬度随温度升高而变大的高分子水凝胶材料制成。
本公开实施例还提供了一种触控感应结构的工作方法，应用于如上所述的触控感应结构，所述工作方法包括：
控制施加在所述第一信号线和所述第二信号线上的电信号，使与所述感应驱动电极相接触的感应层的硬度发生变化。
可选地，所述第一信号线和所述第二信号线上施加的电信号的电压差与所述感应层的硬度正相关。
本公开实施例还提供了一种触控基板，包括：
基板；
位于所述基板上的触控电极；和
位于所述基板上的触控感应结构；
其中，所述触控感应结构包括：
第一信号线；
第二信号线；
分别与所述第一信号线和所述第二信号线连接的感应驱动电极；和
与所述感应驱动电极接触设置的感应层；
其中，所述感应层的硬度随所述第一信号线和所述第二信号线上施加的电信号的电压差变化；所述感应驱动电极与所述触控电极相邻且间隔设置。
可选地，所述感应驱动电极具有镂空区域，且所述触控电极位于所述镂空区域内并与所述感应驱动电极间隔设置。
可选地，所述感应层整层覆盖在所述感应驱动电极和所述触控电极上。
可选地，所述感应层采用水凝胶材料制成。
可选地，所述感应驱动电极与所述感应层直接连接。
可选地，所述触控电极与所述感应驱动电极同层同材料设置。
可选地，所述基板上阵列排布有多个所述感应驱动电极和多个所述触控 电极；每个所述感应驱动电极具有至少一个镂空区域，每个镂空区域中设置有一个所述触控电极。
可选地，每个所述感应驱动电极具有多个镂空区域，每个镂空区域中设置有一个所述触控电极。
可选地，所述触控基板可选还包括：覆盖所述触控感应结构的弹性保护层。
本公开实施例还提供了一种触控显示装置，包括如上所述的触控基板。
可选地，所述触控显示装置还包括与所述触控基板层叠设置的显示面板，所述显示面板包括对盒设置的阵列基板和彩膜基板，所述彩膜基板与所述触控基板共用一衬底基板，所述触控感应结构位于所述彩膜基板背向所述阵列基板的一侧表面上。
本公开实施例还提供了一种触控基板的制作方法，包括：
形成第一信号线和第二信号线；
形成分别与所述第一信号线和所述第二信号线连接的感应驱动电极；
形成与所述感应驱动电极接触设置的感应层。
可选地，还包括形成触控电极的步骤，形成所述感应驱动电极具体为：
通过一次构图工艺同时形成所述触控电极和所述感应驱动电极。
附图说明
图1为本公开实施例触控基板的结构示意图；
图2为本公开实施例触控显示装置的结构示意图；
图3为本公开实施例触控基板的平面示意图。
具体实施方式
为使本公开的实施例要解决的技术问题、技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。
本公开的实施例针对相关技术中由于用户触摸到的触控屏是一个平面，因此，用户在触摸触控屏时并不一定能触摸到正确位置，可能需要多次尝试才能触摸到正确位置，影响了用户的体验，并且相关技术中的触控屏对于视 力不好的用户是无法使用的问题，提供一种触控感应结构、工作方法、触控基板、制作方法、触控显示装置，能够实现触控导航，使用户精确感知操作图标的位置，改善用户体验。
本公开实施例提供一种触控感应结构，包括：
第一信号线和第二信号线；
分别与所述第一信号线和所述第二信号线连接的多个感应驱动电极；
与所述感应驱动电极接触设置的感应层，所述感应层的硬度能够随所述第一信号线和所述第二信号线上施加的电信号的电压差变化。
本实施例中，在第一信号线输入的电信号和第二信号线输出入的电信号存在电压差时，感应驱动电极将产生电流，从而能够对与感应驱动电极相接触的感应层进行加热，使得感应层的硬度发生变化。这样在用户对触控显示装置进行操作时，可以通过控制施加在第一信号线和第二信号线上的电信号，使得操作图标对应位置的感应层的硬度发生变化，从而能够使用户精确感知到操作图标的位置，通过手指的触觉即可实现触控的导航，并且使得视力不好的用户也能够使用本公开的触控显示装置。
具体实施例中，所述第一信号线和所述第二信号线上施加的电信号的电压差与所述感应层的硬度正相关，即随着第一信号线和第二信号线上施加的电信号的电压差越大，感应层的硬度越大，这样可以通过控制施加在第一信号线和第二信号线上的电信号来控制感应层的硬度。
具体实施例中，感应层采用水凝胶材料，具体可以为高分子水凝胶材料，水凝胶材料在未激活状态下硬度较低；在激活状态下硬度较高，激活通过加热来实现。当然，感应层还可以采用其他材料制备，只要能够满足感应层在被加热后硬度发生变化即可。
本公开实施例还提供了一种触控感应结构的工作方法，应用于如上所述的触控感应结构，所述工作方法包括：
控制施加在所述第一信号线和所述第二信号线上的电信号，使与所述感应驱动电极相接触的感应层的硬度发生变化。
本公开实施例中，所述第一信号线和所述第二信号线上施加的电信号的电压差与所述感应层的硬度正相关，即所述第一信号线和所述第二信号线上 施加的电信号的电压差越大，所述感应层的硬度越大。
本公开实施例还提供了一种触控基板，包括位于基板上的触控电极，还包括位于基板上的如上所述的触控感应结构。
本实施例的触控基板中，在第一信号线输入的电信号和第二信号线输出入的电信号存在电压差时，感应驱动电极将产生电流，从而能够对与感应驱动电极相接触的感应层进行加热，使得感应层的硬度发生变化。这样在用户对触控显示装置进行操作时，可以通过控制施加在第一信号线和第二信号线上的电信号，使得操作图标对应位置的感应层的硬度发生变化，从而能够使用户精确感知到操作图标的位置，通过手指的触觉即可实现触控的导航，并且使得视力不好的用户也能够使用本公开的触控显示装置。
本公开实施例中，所述触控电极与所述感应驱动电极同层同材料设置，这样触控电极和感应驱动电极可以通过一次构图工艺同时形成，能够节省制作触控基板的构图次数，降低触控基板的生产成本。
本公开实施例中，所述基板上阵列排布有多个所述感应驱动电极和多个所述触控电极，所述感应驱动电极具有镂空区域，所述触控电极位于所述镂空区域内，这样可以使得感应驱动电极和触控电极交替均匀分布在基板上。
本公开实施例中，触控基板还包括：
覆盖所述触控感应结构的弹性保护层。为了使用户能够感知到感应层硬度的变化，因此，与用户手指接触的、覆盖触控感应结构的弹性保护层必须采用弹性材料制成。
本公开实施例还提供了一种触控显示装置，包括如上所述的触控基板。所述触控显示装置可以为：电视、显示器、数码相框、手机、平板电脑等任何具有显示功能的产品或部件，其中，所述显示装置还包括柔性电路板、印刷电路板和背板。在用户对触控显示装置进行操作时，可以通过控制施加在第一信号线和第二信号线上的电信号，使得操作图标对应位置的感应层的硬度发生变化，从而能够使用户精确感知到操作图标的位置，通过手指的触觉即可实现触控的导航，并且使得视力不好的用户也能够使用本公开的触控显示装置。
图1为本公开具体实施例触控基板的结构示意图，如图1所示，本实施 例的触控基板包括位于衬底基板1上的信号线层2、感应驱动电极和触控电极层3、感应层4和弹性保护层5。其中，信号线层2包括有第一信号线和第二信号线，第一信号线和第二信号线可采用电阻率较低的金属制成，第一信号线和第二信号线可以位于同一层，也可以位于不同层。感应驱动电极和触控电极可以位于同一层，这样能够通过一次构图工艺同时形成。感应层4可以采用水凝胶材料制成，该材料在未激活状态下呈透明状态，硬度较低；在激活状态下硬度较高，激活通过加热来实现，感应层4可以整层覆盖在感应驱动电极和触控电极层3上。弹性保护层5可以采用聚氨酯等弹性材料制成。
本实施例的触控基板可以与显示面板集成组成触控显示装置，如图2所示，触控显示装置包括触控基板和液晶显示面板。其中，液晶显示面板包括阵列基板6、彩膜基板8和位于阵列基板6和彩膜基板8之间的液晶层7。触控基板包括信号线层2、感应驱动电极和触控电极层3、感应层4和弹性保护层5。其中，触控基板可以与彩膜基板8共用同一衬底基板，即信号线层2制备在彩膜基板8背向阵列基板6的一侧表面上，这样可以降低触控显示装置的厚度。当然，触控基板不仅局限于与液晶显示面板集成组成触控显示装置，还可以与其他类型的显示面板集成组成触控显示装置，比如与OLED显示面板集成组成触控显示装置。
如图3所示，触控基板中，在衬底基板上阵列排布有多个感应驱动电极12，感应驱动电极12可以大致呈矩形。感应驱动电极12具有镂空区域121，触控电极13位于镂空区域内。其中，触控电极13通过触控信号线11与触控电路连接进行触控检测；感应驱动电极12分别与第一信号线9和第二信号线10连接。其中，第一信号线9可以与触控信号线11采用同一层金属制作，第二信号线10可以采用另一层金属制作，由于每一感应驱动电极12都是分别与一第一信号线9和一第二信号线10连接，因此，可以对每一感应驱动电极单独施加电信号使得每一感应驱动电极单独产生电流，从而对感应层4分区域进行加热。
在触控显示装置工作时，向第一信号线9和第二信号线10分别通入电信号，在第一信号线9输入的电信号和第二信号线10输出入的电信号存在电压差时，感应驱动电极12将产生电流，从而能够对与感应驱动电极12相接触 的感应层4进行加热，使得感应层4的硬度发生变化。这样在用户对触控显示装置进行操作时，可以通过控制施加在第一信号线9和第二信号线10上的电信号，使得操作图标对应位置的感应层4的硬度发生变化，从而能够使用户精确感知到操作图标的位置，通过手指的触觉即可实现触控的导航，并且使得视力不好的用户也能够使用本公开的触控显示装置。
本公开实施例还提供了一种触控基板的制作方法，包括：
形成第一信号线和第二信号线；
形成分别与所述第一信号线和所述第二信号线连接的感应驱动电极；
形成与所述感应驱动电极接触设置的感应层。
本实施例制作的触控基板中，在第一信号线输入的电信号和第二信号线输出入的电信号存在电压差时，感应驱动电极将产生电流，从而能够对与感应驱动电极相接触的感应层进行加热，使得感应层的硬度发生变化。这样在用户对触控显示装置进行操作时，可以通过控制施加在第一信号线和第二信号线上的电信号，使得操作图标对应位置的感应层的硬度发生变化，从而能够使用户精确感知到操作图标的位置，通过手指的触觉即可实现触控的导航，并且使得视力不好的用户也能够使用本公开的触控显示装置。
本公开实施例中，还包括形成触控电极的步骤，形成所述感应驱动电极具体为：
通过一次构图工艺同时形成所述触控电极和所述感应驱动电极。触控电极和感应驱动电极通过一次构图工艺同时形成，能够节省制作触控基板的构图次数，降低触控基板的生产成本。
除非另外定义，本公开使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相 对位置关系也可能相应地改变。
可以理解，当诸如层、膜、区域或基板之类的元件被称作位于另一元件“上”或“下”时，该元件可以“直接”位于另一元件“上”或“下”，或者可以存在中间元件。
以上所述是本公开的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开所述原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (22)

  1. 一种触控感应结构，包括：
    第一信号线；
    第二信号线；
    分别与所述第一信号线和所述第二信号线连接的多个感应驱动电极；和
    与所述感应驱动电极接触设置的感应层；
    其中，所述感应层的硬度随所述第一信号线和所述第二信号线上施加的电信号的电压差变化。
  2. 根据权利要求1所述的触控感应结构，其中，所述感应层采用水凝胶材料制成。
  3. 根据权利要求1所述的触控感应结构，其中，所述感应层整层覆盖在所述感应驱动电极上。
  4. 根据权利要求1所述的触控感应结构，其中，所述感应驱动电极具有镂空区域。
  5. 根据权利要求1所述的触控感应结构，其中，所述感应驱动电极与所述感应层直接连接。
  6. 根据权利要求5所述的触控感应结构，其中，所述感应层采用硬度随温度变化而变化的高分子水凝胶材料制成。
  7. 根据权利要求5所述的触控感应结构，其中，所述感应层采用硬度随温度升高而变大的高分子水凝胶材料制成。
  8. 一种触控感应结构的工作方法，应用于如权利要求1至7中任一项所述的触控感应结构，所述工作方法包括：
    控制施加在所述第一信号线和所述第二信号线上的电信号，使与所述感应驱动电极相接触的感应层的硬度发生变化。
  9. 根据权利要求8所述的触控感应结构的工作方法，其中，
    所述第一信号线和所述第二信号线上施加的电信号的电压差与所述感应层的硬度正相关。
  10. 一种触控基板，包括：
    基板；
    位于所述基板上的触控电极；和
    位于所述基板上的触控感应结构；
    其中，所述触控感应结构包括：
    第一信号线；
    第二信号线；
    分别与所述第一信号线和所述第二信号线连接的感应驱动电极；和
    与所述感应驱动电极接触设置的感应层；
    其中，所述感应层的硬度随所述第一信号线和所述第二信号线上施加的电信号的电压差变化；所述感应驱动电极与所述触控电极相邻且间隔设置。
  11. 根据权利要求10所述的触控基板，其中，所述感应驱动电极具有镂空区域，且所述触控电极位于所述镂空区域内并与所述感应驱动电极间隔设置。
  12. 根据权利要求11所述的触控基板，其中，所述感应层整层覆盖在所述感应驱动电极和所述触控电极上。
  13. 根据权利要求12所述的触控基板，其中，所述感应层采用水凝胶材料制成。
  14. 根据权利要求11所述的触控基板，其中，所述感应驱动电极与所述感应层直接连接。
  15. 根据权利要求11所述的触控基板，其中，所述触控电极与所述感应驱动电极同层同材料设置。
  16. 根据权利要求11所述的触控基板，其中，所述基板上阵列排布有多个所述感应驱动电极和多个所述触控电极；每个所述感应驱动电极具有至少一个镂空区域，每个镂空区域中设置有一个所述触控电极。
  17. 根据权利要求16所述的触控基板，其中，每个所述感应驱动电极具有多个镂空区域，每个镂空区域中设置有一个所述触控电极。
  18. 根据权利要求11所述的触控基板，还包括覆盖所述触控感应结构的弹性保护层。
  19. 一种触控显示装置，包括如权利要求10-18中任一项所述的触控基 板。
  20. 根据权利要求19所述的触控显示装置，其中，所述触控显示装置还包括与所述触控基板层叠设置的显示面板；所述显示面板包括对盒设置的阵列基板和彩膜基板；所述彩膜基板与所述触控基板共用一衬底基板，所述触控感应结构位于所述彩膜基板背向所述阵列基板的一侧表面上。
  21. 一种触控基板的制作方法，包括：
    形成第一信号线和第二信号线；
    形成分别与所述第一信号线和所述第二信号线连接的感应驱动电极；
    形成与所述感应驱动电极接触设置的感应层。
  22. 根据权利要求21所述的触控基板的制作方法，还包括形成触控电极的步骤，形成所述感应驱动电极具体为：
    通过一次构图工艺同时形成所述触控电极和所述感应驱动电极。
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