WO2019114059A1 - 带压感反馈的触控面板及其压力反馈系统、显示装置 - Google Patents

带压感反馈的触控面板及其压力反馈系统、显示装置 Download PDF

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Publication number
WO2019114059A1
WO2019114059A1 PCT/CN2018/071405 CN2018071405W WO2019114059A1 WO 2019114059 A1 WO2019114059 A1 WO 2019114059A1 CN 2018071405 W CN2018071405 W CN 2018071405W WO 2019114059 A1 WO2019114059 A1 WO 2019114059A1
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Prior art keywords
touch
detecting
signal
protective layer
touch panel
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PCT/CN2018/071405
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English (en)
French (fr)
Inventor
冯校亮
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武汉华星光电半导体显示技术有限公司
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Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US15/749,470 priority Critical patent/US10725545B2/en
Publication of WO2019114059A1 publication Critical patent/WO2019114059A1/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
    • G06F3/016—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
    • G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • 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
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
    • 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
    • G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
    • G06F3/0433—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which the acoustic waves are either generated by a movable member and propagated within a surface layer or propagated within a surface layer and captured by a movable member
    • 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
    • G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
    • 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
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds

Definitions

  • the present invention relates to the field of touch screen technologies, and in particular, to a touch panel with pressure sensing feedback, a pressure feedback system thereof, and a display device.
  • Touch screen also known as “touch screen” or “touch panel”
  • touch screen is an inductive display device that can receive input signals such as contacts.
  • the feedback system can drive various linkage devices according to a pre-programmed program, which can be used to replace the mechanical button panel and create a live-action audio and video effect through the display screen.
  • the more mature touch screen technologies mainly include capacitive touch screens and resistive touch screens.
  • the surface of the capacitive touch screen is coated with a transparent conductive layer ITO, the voltage is connected to the four corners, and the minute direct current is scattered on the screen surface to form a uniform electric field.
  • the human body acts as a pole of the coupling capacitor, and the current is collected from the four corners of the screen to form the other pole of the coupling capacitor, and the coordinates of the touch are obtained by the controller calculating the relative distance of the current to the touch position.
  • the base layer of the resistive touch screen is covered with a transparent conductive layer ITO which adds the voltage field in the direction of the X and Y axes to the same layer.
  • the time-sharing method is used to detect the X-axis and Y-axis voltage values of the contact point. Touch the location of the point.
  • the present invention provides a touch panel with pressure sensing feedback independent of a sensor, a pressure feedback system thereof, and a display device.
  • a touch panel with pressure sensing feedback includes a plurality of detecting components for detecting touch signals and a protective layer covering the surface of the detecting component, each of the detecting components including a pair of detecting signals a signal transmitting module and a signal receiving module for receiving the detecting signal, the protective layer covering the surface of the detecting component and covering the touch area, wherein at least two adjacent sides of the touch area are respectively provided with the signal transmitting module and The signal receiving module.
  • the signal transmitting module of each of the detecting components is integrally disposed with the signal receiving module, and the detecting component is disposed only on two adjacent sides of the touch area, and the detecting The components are spaced apart along the edges of the protective layer.
  • the pressure sensing feedback touch panel further includes two reflective plates, and the two reflective plates are respectively disposed on the side of the touch area opposite to the side of the detecting component.
  • the signal transmitting module is an infrared ray generator
  • the signal receiving module is an infrared ray receiver
  • the reflecting plate reflects light emitted from the infrared ray generator to the infrared ray receiver.
  • the signal transmitting module is an ultrasonic generator
  • the signal receiving module is an ultrasonic receiver
  • the pressure sensing feedback touch panel further includes a display panel and an encapsulation layer, the protection layer is transparent, and the encapsulation layer is encapsulated around the touch panel, and the detection is performed.
  • a component is packaged between the display panel and the protective layer.
  • the display panel and the protective layer are filled with a compressible layer of elastic material, and the layer of elastic material is located in a space surrounded by the encapsulating layer.
  • the display panel is a liquid crystal panel, an organic light emitting display panel, a plasma display panel or a light emitting diode display panel.
  • Another object of the present invention is to provide a pressure feedback system for a touch panel with pressure feedback, comprising:
  • a signal transmitting unit for transmitting a detection signal
  • a signal receiving unit configured to receive a detection signal
  • a processing unit configured to obtain, according to the detection signal received by the signal receiving unit, an attenuation amount of the detection signal caused by the shielding of the protection layer;
  • the feedback unit is configured to trigger a corresponding touch action according to the attenuation amount of the detection signal.
  • the feedback unit includes a grading unit and a triggering unit, and the grading unit is configured to divide the attenuation amount into range values of the plurality of intervals, and correspond to different touch actions, the triggering The unit is configured to trigger a corresponding touch action according to the interval in which the attenuation amount of the detection signal is located.
  • the touch panel of the present invention has self-pressure feedback, and a protective layer is designed on the upper part of the detecting component.
  • the detecting component can detect the deformation of the protective layer according to the detected detection signal received by the detecting component.
  • the touched portion of the touch panel and the degree of deformation of the touched portion are detected, so that a conventional touch function can be realized, and at the same time, different pressing forces can be recognized and reflected by the degree of deformation of the protective layer.
  • different pressure sensing touch functions are provided.
  • FIG. 1 is a schematic structural view of a touch panel with pressure sensing feedback according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic structural diagram of another touch panel with pressure sensing feedback according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of signal transmission of a touch panel with pressure feedback according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of a touch state of a touch panel with pressure feedback according to Embodiment 1 of the present invention.
  • FIG. 5 is a block diagram of a pressure feedback system according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of signal transmission of a touch panel with pressure feedback according to Embodiment 2 of the present invention.
  • the touch panel of the present invention has the functions of touch positioning and pressure-sensitive control, and mainly includes a plurality of detecting components for detecting touch signals and a protective layer covering the surface of the detecting component, each detecting component including a pair for transmitting A signal transmitting module for detecting a signal and a signal receiving module for receiving the detecting signal, the protective layer covering the surface of the detecting component and covering the touch area.
  • At least two adjacent sides of the touch area are respectively provided with a signal transmitting module and a signal receiving module, and signals sent by the respective signal transmitting modules can be detected by the corresponding signal receiving module.
  • the protective layer has no shape variable, and each signal The signal detected by the receiving module maintains a constant value without change; when the protective layer is pressed to cause a depression at the pressed portion, the recessed portion of the protective layer blocks the transmitted signal and the received signal, thereby causing a corresponding signal.
  • the signal detected by the receiving module changes, and the system can analyze the accurate touch position of the touch action by analyzing the distribution of the detection signals received by the signal receiving modules on both sides perpendicular to each other.
  • the display device can be controlled according to different attenuation level to realize different touch actions, thereby realizing Different touch functions enable diversification and personalization of touch actions.
  • the touch panel with pressure feedback feedback of the present embodiment mainly includes a plurality of detecting components 11 for detecting touch signals and a protective layer 12 covering the surface of the detecting component 11 .
  • Each detecting component 11 includes a pair. a signal transmitting module for transmitting the detecting signal and a signal receiving module for receiving the detecting signal, the protective layer 12 covering the surface of the detecting component 11 and covering the touch area, and at least two adjacent sides of the touch area are respectively provided with signal transmission Module and signal receiving module.
  • each detecting component 11 is integrally disposed with the signal receiving module, and the detecting component 11 is disposed only on the side of the two adjacent sides of the touch area, and the detecting component 11 is spaced along the edge of the protective layer 12. Ground setting.
  • the detecting component 11 is an infrared detecting unit
  • the signal transmitting module 11a is an infrared generator
  • the signal receiving module 11b is an infrared receiver.
  • the signal transmitting module 11a and the signal receiving module 11b are at the edge of the touch area.
  • the two adjacent sides are arranged adjacent to each other in the longitudinal direction, and the other two adjacent sides of the touch area are not provided with the detecting component 11, but each is provided with a reflecting plate 13 facing the detecting component 11 on the opposite side, that is,
  • the two reflecting plates 13 are respectively disposed on a side of the touch area opposite to the side where the detecting component 11 is located. As shown in FIG.
  • the signal transmitting module 11a emits an infrared detecting signal, which is then reflected by the reflecting plate 13, and then received by the corresponding infrared receiver.
  • the infrared signal received by each signal receiving module 11b is The value is substantially unchanged; when a certain portion of the protective layer 12 is pressed and recessed, the red light passing through the recessed portion is blocked, so that the partially reflected signal cannot continue to propagate, thereby causing the corresponding signal receiving module 11b.
  • the intensity of the received light changes, and according to the change, the touched portion can be accurately located.
  • the touch panel of the present embodiment can integrate the display panel 20 therein.
  • the protective layer 12 is transparent, and the package layer 14 is encapsulated around the touch panel, and the detecting component 11 is packaged on the display panel 20 and the protective layer.
  • the area enclosed by the display panel 20, the protective layer 12, the encapsulation layer 14, and the detecting component 11 is a hollow structure.
  • a compressible elastic material layer 15 may also be filled, and the elastic material layer 15 may be filled.
  • the elastic restoring force of the protective layer 12 can be improved.
  • the detecting component 11 and the protective layer 12 of the touch panel may also be formed on a layer of the substrate 16. Specifically, the detecting component 11 is located between the edge of the protective layer 12 and the substrate 16, and the packaging layer 14 is encapsulated and protected. Between the layer 12 and the substrate 16, the detection assembly 11 is encapsulated therein. After the detection component 11, the protective layer 12, and the substrate 16 are integrated into one body, the substrate 16 can be attached to the light-emitting surface of the display panel 20.
  • the substrate 16 is also made of a transparent material, and the detecting component 11 and the encapsulating layer 14 are both disposed in the non-display area of the display panel 20 without affecting the display screen.
  • the protective layer 12 may be a thin glass or a flexible film of a wear resistant material, for example, made of polyvinyl chloride (PVC), polypropylene (PP) or polyethylene terephthalate (PET). to make.
  • the display panel 20 can be a liquid crystal panel, an organic light emitting display panel, a plasma display panel, or a light emitting diode display panel.
  • the touch panel of the present embodiment can be applied to various display devices.
  • the pressure feedback system of the present embodiment includes a signal transmitting unit 1, a signal receiving unit 2, a processing unit 3, and a feedback unit 4, wherein the signal transmitting unit 1 sends a detection signal, and the signal receiving unit 2 receives the detection signal.
  • the processing unit 3 obtains the attenuation amount of the detection signal caused by the occlusion of the protection layer 12 according to the detection signal received by the signal receiving unit 2, and the feedback unit 4 triggers the corresponding touch action according to the attenuation amount of the detection signal.
  • the processing unit 3 can convert the detection signal received by the signal receiving unit 2 into an electrical signal.
  • the feedback unit 4 can determine the position of the pressed portion according to the attenuation amount of the detection signal, and can trigger the corresponding touch action according to the shape variable of the pressed portion of the protective layer 12.
  • the feedback unit 4 may include a grading unit 41 and a triggering unit 42 for dividing the attenuation amount into range values of the plurality of sections, and corresponding to different touch actions, and the triggering unit 42 is configured to detect The interval in which the attenuation of the signal is located triggers the corresponding touch action, and realizes the hierarchical control of the pressure-like feedback.
  • Touch actions include, but are not limited to, switching display screens, opening an app (application) program, playing a sound, pausing, vibrating, and the like.
  • the surface of the touch panel of the present application has a protective layer 12, and the position of the touch operation can be accurately located by the deformation of the protective layer 12.
  • the system can also trigger a corresponding touch action according to the degree of deformation of the protective layer 12, and the protective layer 12 It can also provide waterproof and dustproof effect for the touch panel, and prevent dust impurities and the like from entering the touch panel to affect the touch precision or display effect.
  • the detecting component 11 of the present embodiment is an ultrasonic detecting unit
  • the signal transmitting module 11a is an ultrasonic generator
  • the signal receiving module 11b is an ultrasonic receiver.
  • the touch panel of the present embodiment does not require the reflector 13.
  • the elastic material layer 15 of the first embodiment is a transparent material that can transmit sound waves, and may also be an air layer.
  • a finger or other hard object acting on the protective layer 12 causes the protective layer 12 to be recessed by the pressed portion, thereby blocking the transmission of the sound wave, and the signal received by the signal receiving module 11b is weakened by the judgment signal receiving module 11b. Different degrees of signal attenuation can control the touch panel to achieve different touch actions.
  • the touch panel of the present invention has self-pressure feedback, and a protective layer is designed on the upper part of the detecting component.
  • the detecting component can detect the deformation of the protective layer according to the detected detection signal received by the detecting component.
  • the touched portion of the touch panel and the degree of deformation of the touched portion are detected, so that a conventional touch function can be realized, and at the same time, different pressing forces can be recognized and reflected by the degree of deformation of the protective layer.
  • different pressure sensing touch functions are provided.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种带压感反馈的触控面板，包括多个用于检测触摸信号的检测组件（11）和盖设于检测组件（11）表面的保护层（12），每个检测组件（11）包括一对用于发射探测信号的信号发射模块和用于接收探测信号的信号接收模块，保护层（12）覆盖在所述检测组件（11）的表面并覆盖触控区域，触控区域的至少两相邻侧分别设有所述信号发射模块和所述信号接收模块。一种压力反馈系统。当用户按压表面的保护层（12）后，检测组件（11）可以根据检测组件（11）的接收到的探测信号检测到该保护层（12）的形变情况，从而检测到触控面板的被触控部位以及被触控部位的形变程度，从而可以实现常规的触摸功能，同时，不同大小的按压力还能够被识别而以保护层（12）的形变程度体现出，从而实现不同的压感触控功能。

Description

带压感反馈的触控面板及其压力反馈系统、显示装置 技术领域
本发明涉及一种触摸屏技术领域，尤其涉及一种带压感反馈的触控面板及其压力反馈系统、显示装置。
背景技术
触摸屏(touch screen)又称为“触控屏”、“触控面板”，是一种可接收触头等输入讯号的感应式显示装置，当接触了屏幕上的图形按钮时，屏幕上的触觉反馈系统可根据预先编程的程式驱动各种连结装置，可用以取代机械式的按钮面板，并借由显示画面制造出生动的影音效果。
目前比较成熟的触摸屏技术主要有电容式触摸屏和电阻式触摸屏，电容式触摸屏的表面涂有透明电导层ITO，电压连接到四角，微小直流电散布在屏表面，形成均匀电场，用手触屏时，人体作为耦合电容一极，电流从屏四角汇集形成耦合电容另一极，通过控制器计算电流传到碰触位置的相对距离得到触摸的坐标。电阻式触摸屏的基层上覆有把X、Y两坐标轴方向的电压场加在同一层的透明电导层ITO，当触摸时，用分时检测接触点X轴和Y轴电压值的方法测得触摸点的位置。
然而，无论是何种触摸屏技术，仅仅只能用于识别触摸部位，并不能实现触摸的压力反馈，导致触摸屏的功能单一。虽然可以在触摸屏的四个角分别放置压力传感器来检测触摸压力，并根据压力大小做出相应反馈，但是其布线方式更为复杂，并且对于压力传感器的精度依赖性较高。
发明内容
鉴于现有技术存在的不足，本发明提供了一种不依赖于传感器的带压感反馈的触控面板及其压力反馈系统、显示装置。
为了实现上述的目的，本发明采用了如下的技术方案：
一种带压感反馈的触控面板，包括多个用于检测触摸信号的检测组件和盖 设于所述检测组件表面的保护层，每个所述检测组件包括一对用于发射探测信号的信号发射模块和用于接收探测信号的信号接收模块，所述保护层覆盖在所述检测组件的表面并覆盖触控区域，触控区域的至少两相邻侧分别设有所述信号发射模块和所述信号接收模块。
作为其中一种实施方式，每个所述检测组件的所述信号发射模块与所述信号接收模块一体设置，且所述检测组件仅设于所述触控区域的两相邻侧，所述检测组件沿所述保护层的边缘间隔地设置。
作为其中一种实施方式，所述的带压感反馈的触控面板还包括两块反射板，两块所述反射板分别设于所述触控区域旁与所述检测组件所在侧相对的一侧；所述信号发射模块为红外线发生器，所述信号接收模块为红外线接收器，所述反射板将自红外线发生器发出的光线反射至红外线接收器。
作为其中另一种实施方式，所述信号发射模块为超声波发生器，所述信号接收模块为超声波接收器。
作为其中一种实施方式，所述的带压感反馈的触控面板还包括显示面板和封装层，所述保护层透明，所述封装层封装于所述触控面板的四周，将所述检测组件封装于所述显示面板和所述保护层之间。
作为其中一种实施方式，所述显示面板和所述保护层之间填充有可压缩的弹性材料层，所述弹性材料层位于所述封装层围成的空间内。
作为其中一种实施方式，所述显示面板为液晶面板、有机发光显示面板、等离子显示板或发光二极管显示面板。
本发明的另一目的在于提供一种所述的带压感反馈的触控面板的压力反馈系统，包括：
信号发射单元，用于发出检测信号；
信号接收单元，用于接收检测信号；
处理单元，用于根据信号接收单元接收的检测信号得出被所述保护层遮挡导致的检测信号的衰减量；
反馈单元，用于根据检测信号的衰减量触发相应的触控动作。
作为其中一种实施方式，所述反馈单元包括分级单元和触发单元，所述分 级单元用于将衰减量划分为多个区间的范围值，并与不同的触控动作一一对应，所述触发单元用于根据检测信号的衰减量所在的区间触发相应的触控动作。
本发明的又一目的在于提供一种显示装置，包括所述的带压感反馈的触控面板。
本发明的触控面板自带压感反馈，通过在检测组件上方设计一层保护层，当用户按压该保护层后，检测组件可以根据检测组件的接收到的探测信号检测到该保护层的形变情况，从而检测到触控面板的被触控部位以及被触控部位的形变程度，从而可以实现常规的触摸功能，同时，不同大小的按压力，还能够被识别而以保护层的形变程度体现，从而实现不同的压感触控功能。
附图说明
图1为本发明实施例1的带压感反馈的一种触控面板的结构示意图；
图2为本发明实施例1的带压感反馈的另一种触控面板的结构示意图；
图3为本发明实施例1的带压感反馈的触控面板的信号传递示意图；
图4为本发明实施例1的带压感反馈的触控面板的触摸状态示意图；
图5为本发明实施例1的压力反馈系统框图；
图6为本发明实施例2的带压感反馈的触控面板的信号传递示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明的触控面板具有触摸定位和类压感控制的功能，主要包括多个用于检测触摸信号的检测组件和盖设于检测组件表面的保护层，每个检测组件包括一对用于发射探测信号的信号发射模块和用于接收探测信号的信号接收模块，保护层覆盖在检测组件的表面并覆盖触控区域。
触控区域的至少两相邻侧分别设有信号发射模块和信号接收模块，各个信号发射模块发出的信号可由相应的信号接收模块检测到，当无触摸动作时，保护层并无形变量，各信号接收模块检测到的信号保持恒定值，而不会发生变化；当保护层被按压而在被按压部位产生凹陷，保护层的该凹陷部位会遮挡经过的 发射信号和接收信号，从而导致相应的信号接收模块检测到的信号出现变化，系统通过分析相互垂直的两侧的信号接收模块接收到的检测信号分布情况，即可分析得出触控动作的精确触摸位置。同时，还可以通过分析保护层被按压前后，信号接收模块接收到的检测信号的衰减量，通过对衰减量分级，还可以根据不同的衰减量等级控制显示装置实现不同的触控动作，以实现不同的触控功能，从而实现触控动作的多样化、个性化。
实施例1
参阅图1，本实施例的带压感反馈的触控面板主要包括多个用于检测触摸信号的检测组件11和盖设于检测组件11表面的保护层12，每个检测组件11包括一对用于发射探测信号的信号发射模块和用于接收探测信号的信号接收模块，保护层12覆盖在检测组件11的表面并覆盖触控区域，触控区域的至少两相邻侧分别设有信号发射模块和信号接收模块。
结合图3所示，每个检测组件11的信号发射模块与信号接收模块一体设置，且检测组件11仅设于触控区域的两相邻边所在侧，检测组件11沿保护层12的边缘间隔地设置。
本实施例中，检测组件11为红外线检测单元，信号发射模块11a为红外线发生器，信号接收模块11b为红外线接收器，检测组件11中，信号发射模块11a、信号接收模块11b在触控区域边缘的两个相邻边的长度方向相邻布置，触控区域的另两个相邻边并不设置检测组件11，而是各设置有一块朝向相对侧的检测组件11的反射板13，即，两块反射板13分别设于触控区域旁与检测组件11所在侧相对的一侧。结合图4所示，信号发射模块11a发出红外线探测信号，然后经反射板13反射后，由相应的红外线接收器接收到，在无触摸动作时，各信号接收模块11b所接收到的红外线信号为定值，基本无变化；当保护层12某个部位被按压而发生下凹时，经过该凹陷部位的红光光线被阻挡，从而导致部分反射信号无法继续传播，因此造成相应的信号接收模块11b的接收光线的强弱出现变化，根据该变化则可精确定位出触摸部位。
本实施例的触控面板可将显示面板20集成于其中，当具体显示功能时，保护层12透明，封装层14封装于触控面板的四周，将检测组件11封装于显示面板20和保护层12之间。而这里，显示面板20、保护层12、封装层14、检测组件11所围成的区域为中空构造，在其他实施方式中，也可以填充有可压缩的弹性材料层15，该弹性材料层15为透明材料，位于封装层14围成的空间内，可 以提升保护层12的弹性回复力。
如图2所示，触控面板的检测组件11与保护层12也可以形成在一层基底16上，具体是，检测组件11位于保护层12边缘与基底16之间，封装层14封装于保护层12与基底16之间，将检测组件11封装于其中。检测组件11、保护层12、基底16三者集成为一个整体后，可以再将基底16贴合到显示面板20的出光面。基底16也为透明材料制成，检测组件11、封装层14均设置在显示面板20的非显示区域，不会对显示画面造成影响。
这里，保护层12可以是较薄的玻璃，也可以是耐磨材质的柔性薄膜，例如，采用聚氯乙烯(PVC)、聚丙烯(PP)或聚对苯二甲酸乙二酯(PET)制成。显示面板20可以是液晶面板、有机发光显示面板、等离子显示板或发光二极管显示面板，在此不做限制，本实施例的触控面板可应用与各种显示装置中，
如图5所示，本实施例的压力反馈系统包括信号发射单元1、信号接收单元2、处理单元3和反馈单元4，其中，信号发射单元1发出检测信号，信号接收单元2接收检测信号，处理单元3根据信号接收单元2接收的检测信号得出被保护层12遮挡导致的检测信号的衰减量，反馈单元4根据检测信号的衰减量触发相应的触控动作。处理单元3可以将信号接收单元2接收到的检测信号转换为电信号。反馈单元4一方面可以根据检测信号的衰减量判断出被按压部位的位置，另一方面可以根据保护层12的被按压部位的形变量的不同，触发相应的触控动作。
其中，反馈单元4可以包括分级单元41和触发单元42，分级单元41用于将衰减量划分为多个区间的范围值，并与不同的触控动作一一对应，触发单元42用于根据检测信号的衰减量所在的区间触发相应的触控动作，实现类压感反馈的分级控制。触控动作包括但不限于切换显示画面、打开app(application，应用)程序、播放声音、暂停、震动等。
本申请的触控面板表面具有保护层12，通过该保护层12的形变可以精确定位触摸操作的位置坐标，同时，系统还可以根据保护层12的形变程度触发相应的触控动作，保护层12还可以为触控面板提供防水防尘的效果，避免粉尘杂质等进入触控面板影响触控精度或显示效果。
实施例2
如图6所示，与实施例1不同，本实施例的检测组件11为超声波检测单元， 信号发射模块11a为超声波发生器，信号接收模块11b为超声波接收器。本实施例的触控面板无需反射板13，实施例1的弹性材料层15为可以透过声波的透明材料，也可以为空气层。作用在保护层12上的手指或其它硬物使得保护层12被按压部位发生凹陷，从而阻挡声波的传输，信号接收模块11b接收到的信号会有所减弱，通过判断信号接收模块11b接收到的信号的减弱程度的不同，可以控制触控面板实现不同的触控动作。
本发明的触控面板自带压感反馈，通过在检测组件上方设计一层保护层，当用户按压该保护层后，检测组件可以根据检测组件的接收到的探测信号检测到该保护层的形变情况，从而检测到触控面板的被触控部位以及被触控部位的形变程度，从而可以实现常规的触摸功能，同时，不同大小的按压力，还能够被识别而以保护层的形变程度体现，从而实现不同的压感触控功能。
以上所述仅是本申请的具体实施方式，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，这些改进和润饰也应视为本申请的保护范围。

Claims (20)

  1. 一种带压感反馈的触控面板，其中，包括多个用于检测触摸信号的检测组件和盖设于所述检测组件表面的保护层，每个所述检测组件包括一对用于发射探测信号的信号发射模块和用于接收探测信号的信号接收模块，所述保护层覆盖在所述检测组件的表面并覆盖触控区域，触控区域的至少两相邻侧分别设有所述信号发射模块和所述信号接收模块。
  2. 根据权利要求1所述的带压感反馈的触控面板，其中，每个所述检测组件的所述信号发射模块与所述信号接收模块一体设置，且所述检测组件仅设于所述触控区域的两相邻侧，所述检测组件沿所述保护层的边缘间隔地设置。
  3. 根据权利要求2所述的带压感反馈的触控面板，其中，还包括两块反射板，两块所述反射板分别设于所述触控区域旁与所述检测组件所在侧相对的一侧；所述信号发射模块为红外线发生器，所述信号接收模块为红外线接收器，所述反射板将自红外线发生器发出的光线反射至红外线接收器。
  4. 根据权利要求2所述的带压感反馈的触控面板，其中，所述信号发射模块为超声波发生器，所述信号接收模块为超声波接收器。
  5. 根据权利要求1所述的带压感反馈的触控面板，其中，还包括显示面板和封装层，所述保护层透明，所述封装层封装于所述触控面板的四周，将所述检测组件封装于所述显示面板和所述保护层之间。
  6. 根据权利要求5所述的带压感反馈的触控面板，其中，所述显示面板和所述保护层之间填充有可压缩的弹性材料层，所述弹性材料层位于所述封装层围成的空间内。
  7. 根据权利要求5所述的带压感反馈的触控面板，其中，所述显示面板为液晶面板、有机发光显示面板、等离子显示板或发光二极管显示面板。
  8. 根据权利要求2所述的带压感反馈的触控面板，其中，还包括显示面板和封装层，所述保护层透明，所述封装层封装于所述触控面板的四周，将所述检测组件封装于所述显示面板和所述保护层之间。
  9. 根据权利要求8所述的带压感反馈的触控面板，其中，所述显示面板和所述保护层之间填充有可压缩的弹性材料层，所述弹性材料层位于所述封装层围成的空间内。
  10. 根据权利要求3所述的带压感反馈的触控面板，其中，还包括显示面板和封装层，所述保护层透明，所述封装层封装于所述触控面板的四周，将所述检测组件封装于所述显示面板和所述保护层之间。
  11. 根据权利要求10所述的带压感反馈的触控面板，其中，所述显示面板和所述保护层之间填充有可压缩的弹性材料层，所述弹性材料层位于所述封装层围成的空间内。
  12. 根据权利要求4所述的带压感反馈的触控面板，其中，还包括显示面板和封装层，所述保护层透明，所述封装层封装于所述触控面板的四周，将所述检测组件封装于所述显示面板和所述保护层之间。
  13. 根据权利要求12所述的带压感反馈的触控面板，其中，所述显示面板和所述保护层之间填充有可压缩的弹性材料层，所述弹性材料层位于所述封装层围成的空间内。
  14. 一种带压感反馈的触控面板的压力反馈系统，其中，所述带压感反馈的触控面板包括多个用于检测触摸信号的检测组件和盖设于所述检测组件表面的保护层，每个所述检测组件包括一对用于发射探测信号的信号发射模块和用于接收探测信号的信号接收模块，所述保护层覆盖在所述检测组件的表面并覆盖触控区域，触控区域的至少两相邻侧分别设有所述信号发射模块和所述信号接收模块；所述压力反馈系统包括：
    信号发射单元，用于发出检测信号；
    信号接收单元，用于接收检测信号；
    处理单元，用于根据信号接收单元接收的检测信号得出被所述保护层遮挡导致的检测信号的衰减量；
    反馈单元，用于根据检测信号的衰减量触发相应的触控动作。
  15. 根据权利要求14所述的压力反馈系统，其中，所述反馈单元包括分级单元和触发单元，所述分级单元用于将衰减量划分为多个区间的范围值，并与不同的触控动作一一对应，所述触发单元用于根据检测信号的衰减量所在的区间触发相应的触控动作。
  16. 根据权利要求14所述的压力反馈系统，其中，每个所述检测组件的所述信号发射模块与所述信号接收模块一体设置，且所述检测组件仅设于所述触 控区域的两相邻侧，所述检测组件沿所述保护层的边缘间隔地设置。
  17. 根据权利要求16所述的压力反馈系统，其中，所述带压感反馈的触控面板还包括两块反射板，两块所述反射板分别设于所述触控区域旁与所述检测组件所在侧相对的一侧；所述信号发射模块为红外线发生器，所述信号接收模块为红外线接收器，所述反射板将自红外线发生器发出的光线反射至红外线接收器。
  18. 一种显示装置，其中，包括带压感反馈的触控面板，所述带压感反馈的触控面板包括多个用于检测触摸信号的检测组件和盖设于所述检测组件表面的保护层，每个所述检测组件包括一对用于发射探测信号的信号发射模块和用于接收探测信号的信号接收模块，所述保护层覆盖在所述检测组件的表面并覆盖触控区域，触控区域的至少两相邻侧分别设有所述信号发射模块和所述信号接收模块。
  19. 根据权利要求18所述的显示装置，其中，每个所述检测组件的所述信号发射模块与所述信号接收模块一体设置，且所述检测组件仅设于所述触控区域的两相邻侧，所述检测组件沿所述保护层的边缘间隔地设置；所述触控面板还包括两块反射板，两块所述反射板分别设于所述触控区域旁与所述检测组件所在侧相对的一侧；所述信号发射模块为红外线发生器，所述信号接收模块为红外线接收器，所述反射板将自红外线发生器发出的光线反射至红外线接收器。
  20. 根据权利要求18所述的显示装置，其中，每个所述检测组件的所述信号发射模块与所述信号接收模块一体设置，且所述检测组件仅设于所述触控区域的两相邻侧，所述检测组件沿所述保护层的边缘间隔地设置；所述信号发射模块为超声波发生器，所述信号接收模块为超声波接收器。
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