CN106775049A - Contactor control device and its driving method - Google Patents

Contactor control device and its driving method Download PDF

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Publication number
CN106775049A
CN106775049A CN201611001486.6A CN201611001486A CN106775049A CN 106775049 A CN106775049 A CN 106775049A CN 201611001486 A CN201611001486 A CN 201611001486A CN 106775049 A CN106775049 A CN 106775049A
Authority
CN
China
Prior art keywords
pressure
electrode
multiple
sensing
touch
Prior art date
Application number
CN201611001486.6A
Other languages
Chinese (zh)
Inventor
邱峰青
王鹏飞
Original Assignee
昆山龙腾光电有限公司
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 昆山龙腾光电有限公司 filed Critical 昆山龙腾光电有限公司
Priority to CN201611001486.6A priority Critical patent/CN106775049A/en
Publication of CN106775049A publication Critical patent/CN106775049A/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0414Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

Abstract

The invention discloses a kind of contactor control device, including contact panel, contact panel includes multiple driving electrodes and multiple sensing electrodes, and multiple driving electrodes are connected with a plurality of drives line, and multiple sensing electrodes are connected with a plurality of sense wire;Multiple virtual drive electrodes, between a plurality of drives line, multiple virtual drive electrodes are connected with a plurality of virtual drive line for extending in a first direction;Multiple virtual sensing electrodes, between a plurality of sense wire, multiple virtual sensing electrodes are connected with a plurality of virtual sense wire for extending in a second direction;Wherein, the adjacent virtual drive electrode of each two connects to form first pressure electrode;The adjacent virtual sensing electrode of each two connects to form second pressure electrode.The present invention also provides a kind of driving method of contactor control device, can simultaneously detect the touch location and pressure size of touch operation, it is also possible to the touch location and pressure size of segmentation detection touch operation, low cost.

Description

Contactor control device and its driving method

Technical field

The invention belongs to display apparatus test field, more particularly, to a kind of contactor control device and its driving method.

Background technology

Contact panel is a kind of selection by using the hand or object of people on the screen of image display device etc. The instruction of display is being input into the input unit of the instruction of user.

Therefore, contact panel is arranged on the preceding surface of image display device, and the hand or object of people are directly touched Position is converted into electric signal.Therefore, the instruction selected at the position for touching is received as input signal.Because contact panel can To replace the single input unit that is operated by being connected to image display device, such as keyboard or mouse, so The application field of contact panel just gradually expands.

Contact panel senses the different of mode and generally divides into electric resistance touch-control panel, capacitance touching control face according to it Plate, optical touch control panel, sound wave type contact panel and electromagnetic touch-control panel.Wherein, capacitance type touch-control panel (Capacitive Touch Panel) is attracted attention because of intelligent mobile phone sales volume rapid growth.

Specifically, in the case of capacitor type, can be with self-capacitance type (self capacitance type) or mutually electric Appearance type (mutual capacitance type) come realize multiple point touching recognize.When at least one finger of people touches touch surface During the surface of plate, capacitive type touch panel detects the shape in the sensing unit (sensing cell) at the surface for being touched Into electric capacity change, to recognize the position of touch.

However, according to these schemes, it is difficult to identify the pressure size of the touch operation of the finger of people.

The content of the invention

It is an object of the invention to provide a kind of contactor control device and its driving method.

According to an aspect of the present invention, there is provided a kind of contactor control device, including:

Contact panel, the contact panel includes:

Multiple driving electrodes and multiple sensing electrodes, the multiple driving electrodes and a plurality of driving for extending in a first direction Line is connected, and the multiple sensing electrode is connected with a plurality of sense wire in a second direction, wherein, first direction is handed over second direction Fork is set;

Multiple virtual drive electrodes, between a plurality of drives line, the multiple virtual drive electrode with the first direction The a plurality of virtual drive line connection for extending;

Multiple virtual sensing electrodes, between a plurality of sense wire, the multiple virtual sensing electrode with a second direction The a plurality of virtual sense wire connection for extending;

Wherein, the adjacent virtual drive electrode of each two connects to form first pressure electrode;

The adjacent virtual sensing electrode of each two connects to form second pressure electrode.

Preferably, the contactor control device also includes:Touch-control circuit, with multiple driving electrodes and multiple sensing electricity Extremely it is connected, for applying drive signal to multiple driving electrodes by a plurality of drives line and being felt from multiple by a plurality of sense wire Survey electrode and receive sensing signal and the position for determining to touch according to the sensing signal.

Preferably, the touch-control circuit includes:Drive circuit, for drive signal sequentially to be applied into the driving Line;Sensing circuit, for receiving sensing signal from the sense wire;First processor, sends for receiving the sensing circuit Sensing signal determining the touch location of touch operation.

Preferably, the contactor control device also includes:Pressure slowdown monitoring circuit, with the first pressure electrode and second pressure electricity Extremely it is connected, for obtaining pressure signal and according to institute from the multiple first pressure electrode and the multiple second pressure electrode State the pressure size that pressure signal determines touch operation.

Preferably, the pressure slowdown monitoring circuit includes:Pressure sensing circuit, for the multiple first pressure electrode and described many Individual second pressure electrode obtains pressure signal;Second processing device, for receiving the pressure signal that the pressure sensing circuit sends To determine the pressure size of touch operation.

Preferably, second processing device is additionally operable to compare the pressure size of touch operation with predetermined threshold value, when the touch When the pressure size of operation is less than predetermined threshold value, determine that the touch operation is light press operation;When the pressure size of touch operation is big When predetermined threshold value, determine that the touch operation is attached most importance to press operation.

Preferably, the contactor control device also includes:Time schedule controller, respectively with the touch-control circuit and the pressure slowdown monitoring circuit Connection, for sending frame synchronizing signal to the touch-control circuit and the pressure slowdown monitoring circuit.

Preferably, the frame synchronizing signal is used to control the touch-control circuit and the pressure slowdown monitoring circuit to drive simultaneously or divide When drive.

Preferably, the driving electrodes and the first pressure electrode are located at same layer;The sensing electrode and described Two pressure electrodes are located at same layer.

According to another aspect of the present invention, there is provided a kind of driving method of above-mentioned contactor control device, including:Drive successively described Drives line, and the sensing signal of sense wire is sensed simultaneously, the touch location of touch operation is determined according to the sensing signal;From One pressure electrode and second pressure electrode obtain pressure signal, and the pressure size of touch operation is determined according to the pressure signal.

Contactor control device and its driving method that the present invention is provided, by virtual drive electrode and sensing between driving electrodes Virtual sensing electrode between electrode forms pressure electrode, and the pressure size of touch operation is obtained by the pressure electrode.This hair It is bright that touch control layer and pressure-sensing layer are arranged on same layer and can just realize pressure-sensing, realize lightening, low cost.

Brief description of the drawings

By description referring to the drawings to the embodiment of the present invention, of the invention above-mentioned and other purposes, feature and Advantage will be apparent from, in the accompanying drawings:

Fig. 1 shows the circuit theory diagrams of contactor control device according to embodiments of the present invention;

Fig. 2 shows the flow chart of the driving method of contactor control device according to embodiments of the present invention.

Specific embodiment

Various embodiments of the present invention are more fully described hereinafter with reference to accompanying drawing.In various figures, identical element Represented using same or similar reference.For the sake of clarity, the various pieces in accompanying drawing are not necessarily to scale.

The present invention can be presented in a variety of manners, some of them example explained below.

Fig. 1 shows the circuit theory diagrams of contactor control device according to embodiments of the present invention.As shown in figure 1, the touch-control dress Put, including contact panel 10, touch-control circuit 20 and pressure slowdown monitoring circuit 30.

Wherein, contact panel 10 includes multiple driving electrodes 11 and multiple sensing electrodes 12, the multiple driving electrodes 11 The a plurality of drives line D1-Dn extended with A1 in the first direction is connected, and the multiple sensing electrode 12 is more with A2's in a second direction Bar sense wire S1-Sn is connected.

In the present embodiment, contactor control device can be intelligent mobile phone (smart phone), personal digital assistant The electronics of (Personal Digital Assistant, PDA) or tablet PC (Tablet PC) etc. with touch controllable function Device, is not limited thereto system herein.

Wherein, first direction A1 is arranged in a crossed manner with second direction A2.First direction A1 is, for example, vertical second direction A2.

Contact panel 10 may, for example, be capacitance touch control screen, is provided with it multiple with transparency electrode (such as indium oxide Tin (ITO) or similar material) or the sensing electrode 12 that is made of individual layer, the metal grill (metal mesh) of multiple layer metal material, Those sensing electrodes 12 can utilize self-capacitance (self-capacitance) or mutual capacitance type (mutual-capacitance) Or both mode of operation foregoing, to detect and the operation that user is carried out through finger or other media is received, for example: Pressing, slip etc., and then simultaneously as the input/output interface (I/O interface) of contact panel 10.However, touch surface Plate 10 can also be resistance touch screen or optical touch control screen etc., not limited with this herein.Additionally, contact panel 10 can also arrange in pairs or groups a display interface (display interface), and such as LCD interface (LCD), organic luminescent assembly show Show interface (OLED) or other appropriate display interfaces, to show the various operations/execution picture of contact panel 10.Namely Say, although in Fig. 1 as a example by illustrating drives line D1-DN and sense wire S1-SN, but can essentially further include and drives line D1- The electrode that DN is connected with sense wire S1-SN.

Multiple virtual drive electrodes 13, between a plurality of drives line D1-DN, the multiple virtual drive electrode 13 and edge The a plurality of virtual drive line X1-Xn connections that first direction extends.

Multiple virtual sensing electrodes 14, between a plurality of sense wire S1-SN, the multiple virtual sensing electrode 14 and edge The a plurality of virtual sense wire Y1-Yn connections that second direction extends.

In the present embodiment, the adjacent connection of virtual drive electrode 13 of each two forms first pressure electrode 15, each two The adjacent connection of virtual sensing electrode 14 forms second pressure electrode 16.

Touch-control circuit 20 is connected with multiple driving electrodes 11 and multiple sensing electrodes 12, for by a plurality of drive Moving-wire D1-Dn applies drive signal and by a plurality of sense wire S1-Sn from multiple sensing electrodes 12 to multiple driving electrodes 11 Receive sensing signal and the touch location of touch operation is determined according to the sensing signal.

In the present embodiment, the touch-control circuit 20 includes drive circuit 21, sensing circuit 22 and first processor 23.Its In, the drive circuit 21 is used to that drive signal sequentially to be applied into the drives line;Sensing circuit 22 is used for from the sense Survey line receives sensing signal;First processor 23 is used to receive the sensing signal of the sensing circuit transmission to determine touch operation Touch location.

Pressure slowdown monitoring circuit 30 is connected with the first pressure electrode 15 and the second pressure electrode 16, for from the multiple First pressure electrode 15 and the multiple second pressure electrode 16 obtain pressure signal and are determined to touch according to the pressure signal Touch the pressure size of operation.

In the present embodiment, the pressure slowdown monitoring circuit 30 includes pressure sensing circuit 31 and second processing device 32.Wherein, it is described Pressure sensing circuit 31 is used for the multiple first pressure electrode and the multiple second pressure electrode obtains pressure signal;Second Processor 32 is used to receiving pressure signal that the pressure sensing circuit sends to determine the pressure size of touch operation.

Wherein, the second processing device 32 is additionally operable to compare the pressure size of touch operation with predetermined threshold value, when described When the pressure size of touch operation is less than predetermined threshold value, determine that the touch operation is light press operation;When the pressure of touch operation is big It is small more than predetermined threshold value when, determine that the touch operation is attached most importance to press operation.

In a preferred embodiment, the contactor control device also includes time schedule controller 40, respectively with touch-control electricity Road 20 and the pressure slowdown monitoring circuit 30 are connected, for sending frame synchronizing signal to the touch-control circuit 20 and the pressure slowdown monitoring circuit 30.

In the present embodiment, the frame synchronizing signal is used to control the touch-control circuit and the pressure slowdown monitoring circuit to drive simultaneously Or timesharing drives.

Wherein, the driving electrodes 11 and the first pressure electrode 15 are located at same layer;The sensing electrode 12 and institute Second pressure electrode 16 is stated positioned at same layer.

The contactor control device that the present invention is provided, by the void between the virtual drive electrode and sensing electrode between driving electrodes Intend sensing electrode and form pressure electrode, the pressure size of touch operation is obtained by the pressure electrode.The present invention by touch control layer and Pressure-sensing layer is arranged on same layer can just realize pressure-sensing, realize lightening, low cost.

Fig. 2 shows the flow chart of the driving method of the contactor control device of offer according to embodiments of the present invention.As shown in Fig. 2 The driving method is comprised the following steps.

In step S01, the drives line is driven successively, and sense the sensing signal of sense wire simultaneously, according to the sense Survey the touch location that signal determines touch operation.

In step S02, pressure signal is obtained from first pressure electrode and second pressure electrode, according to the pressure signal Determine the pressure size of touch operation.

In the present embodiment, the contactor control device includes contact panel 10, touch-control circuit 20 and pressure slowdown monitoring circuit 30.Contact panel 10 include multiple driving electrodes 11 and multiple sensing electrodes 12, and the multiple driving electrodes 11 are more with what A1 in the first direction extended Bar drives line D1-Dn is connected, and the multiple sensing electrode 12 is connected with a plurality of sense wire S1-Sn of A2 in a second direction.

Touch-control circuit 20 is connected with multiple driving electrodes 11 and multiple sensing electrodes 12, for by a plurality of drive Moving-wire D1-Dn applies drive signal and by a plurality of sense wire S1-Sn from multiple sensing electrodes 12 to multiple driving electrodes 11 Receive sensing signal and the touch location of touch operation is determined according to the sensing signal.

Pressure slowdown monitoring circuit 30 is connected with the first pressure electrode 15 and the second pressure electrode 16, for from the multiple First pressure electrode 15 and the multiple second pressure electrode 16 obtain pressure signal and are determined to touch according to the pressure signal Touch the pressure size of operation.

In a preferred embodiment, the contactor control device also includes time schedule controller 40, respectively with touch-control electricity Road 20 and the pressure slowdown monitoring circuit 30 are connected, for sending frame synchronizing signal to the touch-control circuit 20 and the pressure slowdown monitoring circuit 30.

In the present embodiment, the frame synchronizing signal is used to control the touch-control circuit and the pressure slowdown monitoring circuit to drive simultaneously Or timesharing drives.

The driving method of the contactor control device that the present invention is provided, it is adaptable to by the virtual drive electrode between driving electrodes and Virtual sensing electrode between sensing electrode forms the contactor control device of pressure electrode, can simultaneously detect the touch position of touch operation Put and pressure size, it is also possible to the touch location and pressure size of segmentation detection touch operation.

According to embodiments of the invention as described above, these embodiments do not have all of details of detailed descriptionthe, not yet It is only described specific embodiment to limit the invention.Obviously, as described above, can make many modifications and variations.This explanation Book is chosen and specifically describes these embodiments, is in order to preferably explain principle of the invention and practical application, so that affiliated Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.Protection model of the invention The scope that enclosing should be defined by the claims in the present invention is defined.

Claims (10)

1. a kind of contactor control device, including:
Contact panel, the contact panel includes:
Multiple driving electrodes and multiple sensing electrodes, the multiple driving electrodes connect with a plurality of drives line for extending in a first direction Connect, the multiple sensing electrode is connected with a plurality of sense wire in a second direction, wherein, first direction intersects with second direction and sets Put;
Multiple virtual drive electrodes, between a plurality of drives line, the multiple virtual drive electrode with extend in a first direction A plurality of virtual drive line connection;
Multiple virtual sensing electrodes, between a plurality of sense wire, the multiple virtual sensing electrode with extend in a second direction A plurality of virtual sense wire connection;
Wherein, the adjacent virtual drive electrode of each two connects to form first pressure electrode;
The adjacent virtual sensing electrode of each two connects to form second pressure electrode.
2. contactor control device according to claim 1, wherein, also include:
Touch-control circuit, is connected with multiple driving electrodes and multiple sensing electrodes, for by a plurality of drives line to many Individual driving electrodes apply drive signal and receive sensing signal and according to institute from multiple sensing electrodes by a plurality of sense wire State the position that sensing signal determines to touch.
3. contactor control device according to claim 2, wherein, the touch-control circuit includes:
Drive circuit, for drive signal sequentially to be applied into the drives line;
Sensing circuit, for receiving sensing signal from the sense wire;
First processor, for the touch location for receiving the sensing signal of the sensing circuit transmission to determine touch operation.
4. contactor control device according to claim 3, wherein, also include:
Pressure slowdown monitoring circuit, is connected with the first pressure electrode and the second pressure electrode, for from the multiple first pressure Electrode and the multiple second pressure electrode obtain pressure signal and the pressure of touch operation are determined according to the pressure signal Size.
5. contactor control device according to claim 4, wherein, the pressure slowdown monitoring circuit includes:
Pressure sensing circuit, pressure signal is obtained for the multiple first pressure electrode and the multiple second pressure electrode;
Second processing device, the pressure signal for receiving the pressure sensing circuit transmission is big to determine the pressure of touch operation It is small.
6. contactor control device according to claim 5, wherein, second processing device be additionally operable to by the pressure size of touch operation with Predetermined threshold value compares, and when the pressure size of the touch operation is less than predetermined threshold value, determines that the touch operation is light press operation; When the pressure size of touch operation is more than predetermined threshold value, determine that the touch operation is attached most importance to press operation.
7. contactor control device according to claim 6, wherein, also include:
Time schedule controller, is connected with the touch-control circuit and the pressure slowdown monitoring circuit respectively, for the touch-control circuit and described Pressure slowdown monitoring circuit sends frame synchronizing signal.
8. contactor control device according to claim 7, wherein, the frame synchronizing signal is used to control the touch-control circuit and institute Pressure slowdown monitoring circuit is stated to drive simultaneously or timesharing driving.
9. contactor control device according to claim 1, wherein, the driving electrodes and the first pressure electrode are located at same Layer;The sensing electrode and the second pressure electrode are located at same layer.
10. the driving method of a kind of contactor control device as described in claim any one of 1-9, including:
The drives line is driven successively, and senses the sensing signal of sense wire simultaneously, determined to touch behaviour according to the sensing signal The touch location of work;
Pressure signal is obtained from first pressure electrode and second pressure electrode, the pressure of touch operation is determined according to the pressure signal Power size.
CN201611001486.6A 2016-11-14 2016-11-14 Contactor control device and its driving method CN106775049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611001486.6A CN106775049A (en) 2016-11-14 2016-11-14 Contactor control device and its driving method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611001486.6A CN106775049A (en) 2016-11-14 2016-11-14 Contactor control device and its driving method

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105045437A (en) * 2015-09-18 2015-11-11 京东方科技集团股份有限公司 Touch control sensing electrode, touch control sensing method and equipment
CN105117089A (en) * 2015-09-17 2015-12-02 京东方科技集团股份有限公司 Touch substrate, touch display panel, driving method of touch display panel and touch display device
CN105183257A (en) * 2015-09-17 2015-12-23 京东方科技集团股份有限公司 Touch screen and pressure touch detection method thereof
CN105320354A (en) * 2015-08-26 2016-02-10 宸鸿科技(厦门)有限公司 A three-dimensional touch apparatus
KR20160018894A (en) * 2014-08-07 2016-02-18 크루셜텍 (주) Touch screen panel having pressure sensor
CN205068353U (en) * 2015-09-30 2016-03-02 宸鸿科技(厦门)有限公司 Three -dimensional touch -control assembly
CN205353971U (en) * 2015-07-10 2016-06-29 宸鸿科技(厦门)有限公司 Pressure sensing input device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160018894A (en) * 2014-08-07 2016-02-18 크루셜텍 (주) Touch screen panel having pressure sensor
CN205353971U (en) * 2015-07-10 2016-06-29 宸鸿科技(厦门)有限公司 Pressure sensing input device
CN105320354A (en) * 2015-08-26 2016-02-10 宸鸿科技(厦门)有限公司 A three-dimensional touch apparatus
CN105117089A (en) * 2015-09-17 2015-12-02 京东方科技集团股份有限公司 Touch substrate, touch display panel, driving method of touch display panel and touch display device
CN105183257A (en) * 2015-09-17 2015-12-23 京东方科技集团股份有限公司 Touch screen and pressure touch detection method thereof
CN105045437A (en) * 2015-09-18 2015-11-11 京东方科技集团股份有限公司 Touch control sensing electrode, touch control sensing method and equipment
CN205068353U (en) * 2015-09-30 2016-03-02 宸鸿科技(厦门)有限公司 Three -dimensional touch -control assembly

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