WO2020118837A1 - Écran de commande tactile et dispositif d'affichage - Google Patents

Écran de commande tactile et dispositif d'affichage Download PDF

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Publication number
WO2020118837A1
WO2020118837A1 PCT/CN2019/071553 CN2019071553W WO2020118837A1 WO 2020118837 A1 WO2020118837 A1 WO 2020118837A1 CN 2019071553 W CN2019071553 W CN 2019071553W WO 2020118837 A1 WO2020118837 A1 WO 2020118837A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
touch
touch panel
branch
electronic device
Prior art date
Application number
PCT/CN2019/071553
Other languages
English (en)
Chinese (zh)
Inventor
陈碧
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 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
Publication of WO2020118837A1 publication Critical patent/WO2020118837A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—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
    • G06F3/0414—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
    • G06F3/044—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
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • 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
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Definitions

  • the invention relates to the field of touch control, in particular to a touch panel and an electronic device.
  • terminal products such as mobile phones support functions such as touch control and pressure sensing.
  • a touch layer needs to be provided in the terminal to realize the touch function, and a pressure sensing layer is provided to realize the pressure sensing function.
  • This method requires the terminal to add an independent pressure sensing layer, which increases Product thickness.
  • the existing terminal has a technical problem that a pressure sensing layer needs to be added to realize the pressure sensing function.
  • the invention provides a touch panel and an electronic device to solve the technical problem of the existing terminal that a pressure sensing layer needs to be added to realize the pressure sensing function.
  • the invention provides a touch panel, which includes:
  • a touch layer on the substrate includes at least two electrode units, and two adjacent electrode units are insulated and arranged,
  • the electrode unit includes:
  • the resistance value of the first electrode and/or the second electrode is related to the deformation amount of the touch panel.
  • the first electrode includes at least one first branch, and the resistance value of the first branch is positively correlated with the deformation amount of the touch panel.
  • the second electrode includes at least one second branch, and the resistance value of the second branch is positively related to the deformation amount of the touch panel.
  • the second branches and/or the first branches are conductive loops formed by hollow wires, and are arranged in a staggered spiral shape.
  • the orthographic projections of the first branch and the second branch on the surface of the touch panel do not overlap.
  • the touch layer includes at least two electrode units distributed in an array
  • the orthographic projection areas of the electrode unit on the surface of the touch panel are equal;
  • the orthographic projection area of the electrode unit on the surface of the touch panel gradually decreases or increases.
  • the electrode unit further includes at least:
  • a first touch lead electrically connected to the first electrode
  • a second touch lead electrically connected to the second electrode
  • the first touch lead and the second touch lead of each electrode unit are insulated and arranged in parallel.
  • the first electrode, the second electrode, the first touch lead and the second touch lead are arranged in the same layer.
  • the first electrode is one of the sensing electrode and the driving electrode
  • the second electrode is the other one that is different from the first electrode
  • the first electrode and the second electrode are transparent metals.
  • the present application also proposes an electronic device, wherein the electronic device includes a touch panel, and the touch panel includes:
  • a touch layer on the substrate includes at least two electrode units, and two adjacent electrode units are insulated and arranged,
  • the electrode unit includes:
  • the resistance value of the first electrode and/or the second electrode is related to the deformation amount of the touch panel.
  • the first electrode includes at least one first branch, and the resistance value of the first branch is positively correlated with the deformation amount of the touch panel.
  • the second electrode includes at least one second branch, and the resistance value of the second branch is positively related to the deformation amount of the touch panel.
  • the second branch and/or the first branch are conductive loops formed by hollow wires, and are arranged in a staggered spiral shape.
  • the orthographic projections of the first branch and the second branch on the surface of the touch panel do not overlap.
  • the touch layer includes at least two electrode units distributed in an array
  • the orthographic projection areas of the electrode unit on the surface of the touch panel are equal;
  • the orthographic projection area of the electrode unit on the surface of the touch panel gradually decreases or increases.
  • the electrode unit further includes at least:
  • a first touch lead electrically connected to the first electrode
  • a second touch lead electrically connected to the second electrode
  • the first touch lead and the second touch lead of each electrode unit are insulated and arranged in parallel.
  • the first electrode, the second electrode, the first touch lead and the second touch lead are arranged in the same layer.
  • the first electrode is one of the sensing electrode and the driving electrode
  • the second electrode is the other one that is different from the first electrode
  • the first electrode and the second electrode are transparent metals.
  • This application obtains the deformation amount of the touch panel through the change amount of the resistance value of the first electrode, thereby realizing the pressure sensing function; the second electrode and the first electrode form a capacitance structure, which can determine the user's touch operation based on the capacitance change and realize the touch at the same time
  • Touch control and pressure touch control solve the technical problem of the existing terminal that needs to add a pressure sensing layer to realize the pressure sensing function; at the same time, the setting of the touch leads does not occupy the distance of the border, and a narrow border design is realized.
  • FIG. 1 is a structural diagram of a touch layer of this application
  • FIG. 2 is a structural diagram of an electrode unit in a touch panel of the present application.
  • FIG. 1 is a structural diagram of a touch layer of the present application.
  • the touch panel includes:
  • a substrate (not shown), which may be conductive glass.
  • the touch layer 100 includes a plurality of electrode units 10.
  • the number of the electrode units 10 may be two or more, and the specific number is not limited in this application.
  • two adjacent electrode units 10 are insulated.
  • the electrode units 10 are distributed in an array on the touch layer 100.
  • 3X3 electrode units 10 arranged in an array are used for description.
  • the touch control layer 100 includes nine electrode units 10 distributed in an array.
  • the orthographic projection areas of the electrode unit 10 on the surface of the touch panel are equal.
  • the orthographic projection area of the electrode unit 10 on the surface of the touch panel gradually decreases or increases. In this embodiment, in the direction from the electrode unit 10 to the touch chip 30, the orthographic projection area of the electrode unit 10 on the surface of the touch panel gradually decreases.
  • the first direction is a horizontal direction
  • the second direction is a vertical direction
  • the touch layer 100 further includes touch leads 20.
  • the touch lead 20 is electrically connected to the electrode unit 10.
  • the electrode unit 10 is electrically connected to the touch chip 30 through the touch lead 20 to perform signal transmission.
  • one of the touch leads 20 is electrically connected to one of the electrode units 10.
  • the touch lead of the present application can be directly arranged under the electrode unit, does not occupy the distance of the frame, and realizes a narrow frame design.
  • FIG. 2 is a structural diagram of the electrode unit 10 in the touch panel of the present application.
  • the electrode unit 10 includes:
  • the first electrode 101 is located on the substrate.
  • the second electrode 102 on the substrate is the second electrode 102 on the substrate.
  • the first electrode 101 and the second electrode 102 are insulated.
  • the first electrode 101 and the second electrode 102 form a capacitive structure.
  • the present application may determine the user's touch operation based on the change in capacitance of the capacitance structure formed by the first electrode 101 and the second electrode 102.
  • the resistance value of the first electrode 101 or/and the second electrode 102 is related to the deformation amount of the touch panel.
  • the correlation relationship includes a positive correlation and a negative correlation
  • a positive correlation means that the greater the deformation amount of the touch panel, the greater the resistance of the first electrode 101 or/and the second electrode 102 .
  • Negative correlation means that the larger the deformation amount of the touch panel, the smaller the resistance of the first electrode 101 or/and the second electrode 102, and both of these correlations can realize the pressure sensing function.
  • the value of the first electrode 101 including at least one first branch 1010 is positively correlated with the deformation amount of the touch panel.
  • the first branch 1010 may be a conductive loop formed by a hollow wire.
  • the first branch 1010 is convoluted.
  • the second electrode 102 further includes at least one second branch 1020 whose resistance value is positively correlated with the deformation amount of the touch panel.
  • the second branch 1020 may be a conductive loop formed by a central control wire or a solid wire. In this embodiment, the second branch 1020 is a solid wire.
  • the second branch 1020 is convoluted.
  • first branch 1010 and the second branch 1020 are arranged in a spiral shape.
  • first branch 1010 and the second branch 1020 may be a straight line, an arc, or a combination of multiple shapes.
  • the orthographic projections of the first branch 1010 and the second branch 1020 on the surface of the touch panel do not overlap.
  • the touch lead 20 connected to the electrode unit 10 includes two of the first touch lead 201, the second touch lead 202, the first touch lead 201 and the first electrode 101.
  • the two first branches 1010 are electrically connected, and the second touch lead 202 is electrically connected to the second branch 1020 in the second electrode 102.
  • first touch lead 201 and the second touch lead 202 of each electrode unit 10 are insulated and arranged in parallel.
  • the first electrode 101, the second electrode 102, the first touch lead 201 and the second touch lead 202 are arranged in the same layer.
  • the first electrode 101 and the second electrode 102 are located in different layers.
  • An insulating layer is provided between the first electrode 101 and the second electrode 102. This solution is not specifically expanded in the description.
  • the first electrode 101 is one of a sensing electrode and a driving electrode
  • the second electrode 102 is another one that is different from the first electrode 101.
  • the first electrode 101 and the second electrode 102 are transparent metals.
  • the touch layer 100 has a metal layer patterned to form electrode units 10 distributed in an array.
  • Each electrode unit 10 includes a first electrode 101 and a second electrode 102.
  • the first electrode 101 is a sensing electrode
  • the second electrode 102 is a driving electrode.
  • the driving electrode and the sensing electrode are intertwined to form a spiral shape.
  • the driving electrode and the sensing electrode are separated by an insulating layer, which is a touch signal signal for accurately identifying the pressure of the finger.
  • a capacitance is formed between the driving electrode and the sensing electrode to realize the touch function.
  • a capacitance is formed between the driving electrode and the sensing electrode.
  • Each of the sensing electrodes has a hollow design so as to form a conductive loop.
  • the sensing electrode has a strain effect and its impedance changes, and the amount of finger pressure is detected according to the impedance change.
  • the mutual capacitive touch function part feedbacks the position of the coordinate point
  • the pressure-sensitive touch function part feedbacks the magnitude of the pressure. Combining the feedback signals of the two can detect the coordinate and pressure signal of the touched point.
  • the impedance of the electrode unit changes, the pressure sensing function is activated, the mutual-capacitive touch enters the sleep state, and the magnitude of the pressure can be determined in conjunction with the amount of change in the sensing electrode impedance.
  • an electronic device includes the touch panel; the electronic device includes but is not limited to a mobile phone, a tablet computer, a computer monitor, a game console, a television, Display screens, wearable devices, and other household appliances or household appliances with display functions.
  • the working principle of the electronic device is similar to the working principle of the touch panel. For details, reference may be made to the working principle of the touch substrate, which is not repeated here.
  • the invention provides a touch panel and an electronic device.
  • the touch panel includes a substrate and a touch layer; the touch layer includes an electrode unit, including a first electrode and a second electrode; the first electrode or/ There is a correlation between the resistance value of the second electrode and the deformation amount of the touch panel.
  • This application obtains the deformation amount of the touch panel through the change amount of the resistance value of the first electrode, thereby realizing the pressure sensing function; the second electrode and the first electrode form a capacitance structure, which can determine the user's touch operation based on the capacitance change and realize the touch at the same time
  • Touch control and pressure touch control solve the technical problem of the existing terminal that needs to add a pressure sensing layer to realize the pressure sensing function; at the same time, the setting of the touch leads does not occupy the distance of the border, and a narrow border design is realized.

Landscapes

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

Abstract

L'invention concerne un écran de commande tactile et un dispositif électronique, ledit écran de commande tactile comprenant un substrat et une couche de commande tactile (100); la couche de commande tactile (100) comprenant une unité d'électrode (10), comprenant une première électrode (101) et une seconde électrode (102); la valeur de résistance de ladite première électrode (101) et/ou de ladite seconde électrode (102) étant liée à la quantité de déformation de l'écran de commande tactile.
PCT/CN2019/071553 2018-12-12 2019-01-14 Écran de commande tactile et dispositif d'affichage WO2020118837A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811521303.2 2018-12-12
CN201811521303.2A CN109669571B (zh) 2018-12-12 2018-12-12 触控面板以及电子装置

Publications (1)

Publication Number Publication Date
WO2020118837A1 true WO2020118837A1 (fr) 2020-06-18

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Application Number Title Priority Date Filing Date
PCT/CN2019/071553 WO2020118837A1 (fr) 2018-12-12 2019-01-14 Écran de commande tactile et dispositif d'affichage

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CN (1) CN109669571B (fr)
WO (1) WO2020118837A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110196655B (zh) 2019-05-14 2023-11-28 武汉华星光电半导体显示技术有限公司 压力感测触摸屏及包含其的输入装置
CN110825260B (zh) * 2019-10-12 2021-06-01 武汉华星光电半导体显示技术有限公司 一种触控显示装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105426005A (zh) * 2015-09-30 2016-03-23 宸鸿科技(厦门)有限公司 三维触控面板
CN106970722A (zh) * 2015-12-21 2017-07-21 乐金显示有限公司 力感测面板及使用其的电子装置
CN107491206A (zh) * 2017-08-01 2017-12-19 上海天马微电子有限公司 显示面板及显示装置
US20170371471A1 (en) * 2016-06-22 2017-12-28 Samsung Display Co., Ltd. Touch sensor
CN207557906U (zh) * 2017-12-13 2018-06-29 南昌欧菲显示科技有限公司 压力感应模组、触控显示屏和触控电子设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160109307A1 (en) * 2014-10-17 2016-04-21 Qualcomm Incorporated System and method for spiral contact force sensors
CN104699312B (zh) * 2015-04-01 2017-08-08 上海天马微电子有限公司 一种触摸屏显示面板及电子设备
KR102555596B1 (ko) * 2016-06-21 2023-07-17 삼성디스플레이 주식회사 전자 장치
CN206003074U (zh) * 2016-07-22 2017-03-08 深圳亿和源科技有限公司 具有高灵敏度触摸屏的移动终端
CN106569631B (zh) * 2016-10-19 2019-07-05 京东方科技集团股份有限公司 压力感应基板及压力感应触摸屏

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105426005A (zh) * 2015-09-30 2016-03-23 宸鸿科技(厦门)有限公司 三维触控面板
CN106970722A (zh) * 2015-12-21 2017-07-21 乐金显示有限公司 力感测面板及使用其的电子装置
US20170371471A1 (en) * 2016-06-22 2017-12-28 Samsung Display Co., Ltd. Touch sensor
CN107491206A (zh) * 2017-08-01 2017-12-19 上海天马微电子有限公司 显示面板及显示装置
CN207557906U (zh) * 2017-12-13 2018-06-29 南昌欧菲显示科技有限公司 压力感应模组、触控显示屏和触控电子设备

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CN109669571A (zh) 2019-04-23
CN109669571B (zh) 2020-11-24

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