CN205486018U - Electrode sheet - Google Patents
Electrode sheet Download PDFInfo
- Publication number
- CN205486018U CN205486018U CN201620013377.5U CN201620013377U CN205486018U CN 205486018 U CN205486018 U CN 205486018U CN 201620013377 U CN201620013377 U CN 201620013377U CN 205486018 U CN205486018 U CN 205486018U
- Authority
- CN
- China
- Prior art keywords
- electrode
- touch
- pressure
- display module
- electrode slice
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Abstract
The utility model discloses an electrode sheet includes first insulation layer, second insulating layer and is located the first insulation layer with first electrode between the second insulating layer, second electrode, electrode sheet be used for detecting along with the reference potential layer with relative distance between the electrode sheet changes and changes the first electrode with electric capacity between the second electrode, wherein the reference potential layer with the electrode sheet configuration of being separated by, and according to the change detection of electric capacity arouses the size of distance's pressure. Through the utility model discloses an electrode sheet can detect the position of the touch on the touch -sensitive screen, can also detect touch pressure size.
Description
This utility model patent application be international application no be PCT/KR2015/008058, international filing date is on July 31st, 2015, enter the Application No. 201590000041.9 of National Phase in China, the divisional application of the utility application of entitled " smart mobile phone ".
Technical field
This utility model relates to electrode slice, particularly relates to the electrode slice of a kind of smart mobile phone for including display module.
Background technology
Input equipment for Operations Computing System has polytype.Such as, the input equipment of button (button), key (key), stick (joystick) and touch screen etc.Owing to touch screen is simple to operation, therefore touch screen utilization rate in terms of Operations Computing System increases.
Touch screen may be constructed the touch-surface of the touch input device including touch-sensing plate (touch sensor panel), and wherein touch-sensing plate can be the lamella lucida with touch-sensitive surface (touch-sensitive surface).This touch-sensing plate is attached to before display screen, and touch-sensitive surface can cover in display screen observable.The touches simple to touch screen such as user's finger get final product Operations Computing System.Generally, the touch on computational system identification touch screen and touch location resolve this touch such that it is able to correspondingly perform computing.
Now need a kind of while not reducing display module performance, the touch location on touch screen can not only be detected, additionally it is possible to the touch input device of detection touch pressure size.
Utility model content
Technical problem
The purpose of this utility model is to provide the position of a kind of touch that can not only detect on touch screen, additionally it is possible to the smart mobile phone including display module of detection touch pressure size.
Another object of the present utility model is that providing a kind of can detect touch location and the smart mobile phone including display module of touch pressure size while the definition (visibility) not reducing display module and light transmission rate.
Technical scheme
According to the smart mobile phone of this utility model embodiment, including: cover layer；Touch-sensing plate, it is positioned at the bottom of described cover layer, including being applied in multiple reception electrodes that the multiple drive electrodes driving signal can detect the sensing signal of touch location with output；Display module, it includes display panel and performs the composition of display function for described display panel；Pressure electrode, it is positioned at the bottom of described display module；Covering and use substrate, it is positioned at the bottom of described pressure electrode；Sealing coat, it is used between substrate at described pressure electrode and described covering；And, touch-sensing circuit, it uses the distance between substrate to change according to the size of the variable quantity detection touch pressure of the electric capacity exported from described pressure electrode, the variable quantity of wherein said electric capacity with described pressure electrode and described covering.
According to the smart mobile phone of another embodiment of this utility model, including: cover layer；Touch-sensing plate, it is positioned at the bottom of described cover layer, including being applied in multiple reception electrodes that the multiple drive electrodes driving signal can detect the sensing signal of touch location with output；Display module, it includes display panel and performs the composition of display function for described display panel；Pressure electrode, it is positioned at the bottom of described display module；Covering and use substrate, it is positioned at the bottom of described pressure electrode；Sealing coat, it is between described pressure electrode and described display module；And, touch-sensing circuit, it is according to the size from the variable quantity detection touch pressure of described pressure electrode output capacitance, and the variable quantity of wherein said electric capacity changes with the distance between described pressure electrode and described display module.
According to the smart mobile phone of this utility model yet another aspect, including: cover layer；Touch sensor, it is positioned at the bottom of described cover layer, including being applied in multiple reception electrodes that the multiple drive electrodes driving signal can detect the sensing signal of touch location with output；Display module, it includes display panel and performs the composition of display function for described display panel；Pressure electrode, it is positioned at the bottom of described display module；Reference potential layer, it is separated by with described pressure electrode；Sealing coat, it is between described pressure electrode and described reference potential layer；And, touch-sensing circuit, it is according to the size from the variable quantity detection touch pressure of described pressure electrode output capacitance, and the variable quantity of wherein said electric capacity changes with the distance between described pressure electrode and described reference potential layer.
And, electrode slice according to one embodiment of this utility model includes the first insulating barrier, the second insulating barrier and the first electrode between described first insulating barrier and described second insulating barrier, the second electrode, described electrode slice is in order to detect the electric capacity between described first electrode and described second electrode changed and change with the relative distance between reference potential layer and described electrode slice, wherein said reference potential layer and described electrode slice are separated by configuration, and cause the size of the pressure of described distance change according to the change-detection of described electric capacity.
And, electrode slice according to another embodiment of this utility model includes the first insulating barrier, the second insulating barrier and the electrode between described first insulating barrier and described second insulating barrier, described electrode slice is in order to detect the electric capacity between described electrode and the described reference potential layer changed and change with the relative distance between reference potential layer and described electrode slice, wherein said reference potential layer and described electrode slice are separated by configuration, and cause the size of pressure that described relative distance changes according to the change-detection of described electric capacity.
Further, including according to the electrode slice of this utility model yet another aspect: the first electrode slice, it includes the first insulating barrier, the second insulating barrier and the first electrode between described first insulating barrier and described second insulating barrier；And, second electrode slice, it includes the 3rd insulating barrier, the 4th insulating barrier and the second electrode between described 3rd insulating barrier and described 4th insulating barrier, described electrode slice changes with the relative distance between described first electrode slice and described second electrode slice and electric capacity between described first electrode and described second electrode that change in order to detect, and causes the size of pressure that described relative distance changes according to the change-detection of described electric capacity.
Technique effect
This utility model can provide the position of a kind of touch that can not only detect on touch screen, additionally it is possible to the smart mobile phone including display module of detection touch pressure size.
Further, this utility model can provide a kind of and detect touch location and the smart mobile phone including display module of touch pressure size while the definition (visibility) not reducing display module and light transmission rate.
Accompanying drawing explanation
Fig. 1 is the brief figure of the capacitive touch sensing plate according to this utility model embodiment and the composition performing its action；
Fig. 2 a, Fig. 2 b and Fig. 2 c are to show the concept map according to display module in the touch input device of this utility model embodiment with the relative position of touch-sensing plate；
Fig. 3 is the profile of the touch input device with the structure that can detect touch location and touch pressure according to this utility model the first embodiment；
Fig. 4 is the profile of the touch input device according to this utility model the second embodiment；
Fig. 5 is the axonometric chart of the touch input device according to this utility model the second embodiment；
Fig. 6 a is the profile of the touch input device including pressure electrode figure according to this utility model first embodiment；
Fig. 6 b is the profile of the situation that touch input device shown in Fig. 6 a is under pressure；
Fig. 6 c is the profile of the touch input device including pressure electrode according to this utility model the second embodiment；
Fig. 6 d shows the pressure electrode figure according to this utility model first embodiment；
Fig. 6 e shows the pressure electrode figure according to this utility model the second embodiment；
Fig. 6 f and Fig. 6 g shows the pressure electrode figure that can be applicable to this utility model embodiment；
Fig. 7 a is the profile of the touch input device including pressure electrode according to this utility model the 3rd embodiment；
Fig. 7 b shows the pressure electrode figure according to this utility model the 3rd embodiment；
Fig. 8 shows the attaching structure of the pressure electrode according to this utility model embodiment；
Fig. 9 a and Fig. 9 b shows the adherence method of the pressure electrode according to this utility model the second embodiment；
Figure 10 a to Figure 10 c display is according to the method that pressure electrode is connected to touch-sensing circuit of utility model the second embodiment；
Figure 11 a to Figure 11 c display constitutes the situation of multiple channels according to the pressure electrode of this utility model embodiment；
Figure 12 is the coordinate diagram of the variable quantity of the electric capacity corresponding to object grammes per square metre that display is obtained according to the experiment of the touch-surface central part of the touch input device 1000 of this utility model embodiment by the pressurization of non-conductive object.
Detailed description of the invention
This utility model is described in detail referring to showing the accompanying drawing that can implement specific embodiment of the present utility model.Those of ordinary skill in the art are made to be enough to implement this utility model by detailed description.Though various embodiments of the present utility model is different, but the most mutually exclusive.Such as, given shape, structure and the characteristic described in description can be realized by other embodiments on the premise of without departing from technical solutions of the utility model and scope.It addition, the position of indivedual elements in disclosed each embodiment or be arranged in without departing from changing enforcement on the premise of the technical solution of the utility model and scope.Therefore, described further below not to be defined to purpose, therefore it is only limitted to all scopes being equal to the scope described in technical scheme if definite definition scope of the present utility model.Reference similar in accompanying drawing represents same or similar function in every respect.
Touch input device according to this utility model embodiment is described referring to the drawings.The most exemplified capacitive touch sensing plate 100 and pressure detecting module 400 but it also may being suitable for can be by any-mode detection touch location and/or the touch-sensing plate 100 of touch pressure and pressure detecting module 400.
Fig. 1 is the brief figure of the capacitive touch-sensing plate 100 according to this utility model embodiment and the composition performing its action.With reference to Fig. 1, touch-sensing plate 100 according to this utility model embodiment includes multiple drive electrode TX1 to TXn and multiple reception electrode RX1 to RXm, drive division 120 and detecting part 110 can be included, wherein drive division 120 applies to drive signal for the action of described touch-sensing plate 100 to the plurality of drive electrode TX1 to TXn, and detecting part 110 receives and includes that the sensing signal of the capacitance change information changed when touching the touch-surface of touch-sensing plate 100 touches and touch location with detection.
As it is shown in figure 1, touch-sensing plate 100 can include multiple drive electrode TX1 to TXn and multiple reception electrode RX1 to RXm.Fig. 1 shows that multiple drive electrode TX1 to TXn and multiple reception electrode RX1 to RXm of touch-sensing plate 100 constitute orthogonal array, but this utility model is not limited to this, multiple drive electrode TX1 to TXn and multiple reception electrode RX1 to RXm may be constructed the arbitrarily dimension such as diagonal, concentric circular or three-dimensional random arrangement and application arrangement thereof.Wherein n and m is positive integer, and both values can be identical or different, and size can be different because of embodiment.
Intersect respectively as it is shown in figure 1, multiple drive electrode TX1 to TXn can be arranged in multiple reception electrode RX1 to RXm.Drive electrode TX includes the multiple drive electrode TX1 to TXn extended to the first direction of principal axis, receives electrode RX and can include to intersecting at multiple reception electrode RX1 to RXm that the first axial second direction of principal axis extends.
In touch-sensing plate 100 according to this utility model embodiment, multiple drive electrode TX1 to TXn and multiple reception electrode RX1 to RXm can be formed at identical layer.Such as, multiple drive electrode TX1 to TXn and multiple reception electrode RX1 to RXm can be formed on the same face of dielectric film (not shown).Further, multiple drive electrode TX1 to TXn can also be formed at different layers from multiple reception electrode RX1 to RXm.Such as, multiple drive electrode TX1 to TXn and multiple reception electrode RX1 to RXm can be respectively formed in the two sides of a dielectric film (not shown), or, multiple drive electrode TX1 to TXn are formed at the one side of the first dielectric film (not shown), and multiple reception electrode RX1 to RXm are formed in the one side of the second dielectric film (not shown) being different from described first dielectric film.
Multiple drive electrode TX1 to TXn and multiple reception electrode RX1 to RXm can be by by transparent conductive material (such as, tin ash (SnO2) and Indium sesquioxide. (In2O3) etc. composition indium tin oxide (Indium Tin Oxide；Or antimony tin (Antimony Tin Oxide ITO)；) etc. ATO) formed.But this simply citing, drive electrode TX and reception electrode RX can also be formed by other transparent conductive material or nontransparent conductive materials.Such as, drive electrode TX and reception electrode RX can be by including silver inks (silver ink), copper (copper) and CNT (Carbon Nanotube；CNT) in, the material of at least one is constituted.Further, drive electrode TX and reception electrode RX can use wire netting (metal mesh) or is made up of nanometer silver (nano silver) material.
Drive division 120 according to this utility model embodiment can apply to drive signal to drive electrode TX1 to TXn.According to embodiment of the present utility model, driving signal can be to be once sequentially applied to the first drive electrode TX1 to n-th drive electrode TXn in the way of a drive electrode applying.Above-mentioned applying drives the process of signal again to repeat.But this simply citing, can apply to drive signal to multiple drive electrodes in other embodiments simultaneously.
Whether the sensing signal of the information of the electric capacity (Cm) 101 generated between drive electrode TX1 to TXn and reception electrode RX1 to RXm that detecting part 110 can include applying to drive signal by receiving electrode RX1 to RXm to receive, touch and touch location with detection.Such as, sensing signal can be applied to the signal driving signal to be coupled of drive electrode TX by the electric capacity (Cm) 101 generated between drive electrode TX with reception electrode RX.As above, the process driving signal being applied to the first drive electrode TX1 to n-th drive electrode TXn by receiving electrode RX1 to RXm sensing can be referred to as scanning (scan) touch-sensing plate 100.
Such as, detecting part 110 can include the receptor (not shown) being connected with each reception electrode RX1 to RXm by switch.Described switch allows a receiver to sense sensing signal from reception electrode RX at time interval unlatching (on) of the signal sensing correspondingly received electrode RX.Receptor can include amplifier (not shown) and be incorporated into amplifier negative (-) feedback condenser of i.e. feedback path between input and the outfan of amplifier.Now, amplifier just (+) input can be connected with ground connection (ground).Further, receptor can also include the reset switch in parallel with feedback condenser.The conversion from electric current to voltage that receptor performs can be resetted by reset switch.The negative input end of amplifier is connected to correspondingly received electrode RX, is voltage by Integral Transformation after can receiving the current signal including the information about electric capacity (Cm) 101.Detecting part 110 can also include that the analog-digital converter by being converted to numerical data by the data of receptor integration is (not shown: analog to digital converter；ADC).Numerical data is subsequently inputted into processor (not shown), then by processing for obtaining the touch information about touch-sensing plate 100.Detecting part 110 can also include ADC and processor while including receptor.
Control portion 130 can perform the function controlling drive division 120 with the action of detecting part 110.Such as, control portion 130 be sent to after can generating drive control signal drive division 120 make drive signal can be applied to drive electrode TX set in advance in the scheduled time.Further, control portion 130 is sent to detecting part 110 and makes detecting part 110 receive sensing signal perform function set in advance in the scheduled time from reception electrode RX set in advance after can generating sensing control signal.
In Fig. 1, whether and the touch detecting apparatus (not shown) of touch location drive division 120 and detecting part 110 may be constructed and can sense the touch of the touch-sensing plate 100 to this utility model embodiment.Touch detecting apparatus according to this utility model embodiment can also include control portion 130.Touch detecting apparatus according to this utility model embodiment can be integrated on the touch-sensing IC (in touch sensing Integrated Circuit: Figure 10 a～Figure 10 c 150) as touch-sensing circuit in the touch input device 1000 include touch-sensing plate 100.Drive electrode TX in touch-sensing plate 100 and receive the drive division 120 and detecting part 110 that electrode RX such as can pass through conducting wire (conductive trace) and/or the conductive pattern (conductive pattern) etc. that is printed on circuit substrate is connected in touch-sensing IC 150.Touch-sensing IC 150 may be located on the first printed circuit board (PCB) (the hereinafter referred to as the ' the oneth PCB ') represented with 160 in the circuit substrate being printed with conductive pattern, such as Figure 10 a～Figure 10 c.According to embodiment, touch-sensing IC 150 can be assemblied in the mainboard for touch input device 1000 work.
As it has been described above, drive electrode TX generates the electric capacity Cm of predetermined value with each cross point receiving electrode RX, the object of finger etc value of this electric capacity when touch-sensing plate 100 can change.Electric capacity described in Fig. 1 can represent mutual capacitance Cm.Detecting part 110, by sensing this electrology characteristic, can sense and whether touch touch-sensing plate 100 and/or touch location.For example, it is possible to the touch on the surface of the touch-sensing plate 100 that the two dimensional surface being made up of the first axle and the second axle is constituted whether and/or its position sensing.
From the point of view of further, the second axial position driving the drive electrode TX detection of signal to touch can be applied in by detection when there is the touch to touch-sensing plate 100.Equally, when touch-sensing plate 100 is touched, can be from by receiving the reception signal detection capacitance variations that electrode RX receives, with the first axial position of detection touch.
The touch-sensing plate that touch-sensing plate 100 is mutual capacitance type of detailed description above, but in the touch input device 1000 according to this utility model embodiment, for detect whether touches and touch location touch-sensing plate 100 in addition to the method described above can also by self-capacitance mode, surface capacitance mode, project (projected) capacitive way, resistive film mode, surface acoustic wave mode (surface acoustic wave；SAW), the arbitrary touch-sensing mode such as infrared ray (infrared) mode, optical imaging modalities (optical imaging), decentralized signaling (dispersive signal technology) and acoustic pulse recognition (acoustic pulse recognition) mode realizes.
In the touch input device 1000 according to this utility model embodiment, can be located at the outside or inside of display module 200 for detecting the touch-sensing plate 100 of touch location.
The display module 200 of the touch input device 1000 according to this utility model embodiment can be included in liquid crystal indicator (Liquid Crystal Display；LCD), plasma display panel (Plasma Display Panel；PDP), organic light-emitting display device (Organic Light Emitting Diode；Etc. OLED) display panel.Therefore, user can have visual confirmation that touch-surface is touched to carry out input behavior by the picture that display panel shows.Now, display module 200 can include control circuit, and this control circuit makes the CPU i.e. CPU (central processing unit) from the mainboard (main board) worked for touch input device 1000 or application processor (application processor；Etc. AP) input content needed for display on the display panel are received.On the second printed circuit board (PCB) 210 (the hereinafter referred to as the 2nd PCB) that this control circuit can be assemblied in Fig. 9 a, 9b.Now, the control circuit for display panel 200 work can include that display panel controls IC, Graph Control IC (graphic controller IC) and other display panels 200 work required circuit.
Fig. 2 a, Fig. 2 b and Fig. 2 c are to show the concept map according to display module in the touch input device of this utility model embodiment with the relative position of touch-sensing plate.The display panel of Fig. 2 a to Fig. 2 c display is LCD panel, but this is only citing, and the touch input device 1000 indeed according to this utility model embodiment can be suitable for arbitrary display panel.
In present specification, reference 200 represents display module, but in Fig. 2 and related description, reference 200 not only represents display module, it is also possible to represent display panel.As shown in Fig. 2 a to Fig. 2 c, LCD panel can include having the first polarizing layer 271 of the one side being positioned at described first glassy layer 261 on the first glassy layer 261 the including electrode direction relative with described liquid crystal layer 250 with the second glassy layer 262 at the liquid crystal layer 250 of liquid crystal cell (liquid crystal cell), liquid crystal layer 250 two ends and be positioned at second polarizing layer 272 of one side of described second glassy layer 262.For performing display function, LCD panel can also include that other constitute and can deform, and this is the common knowledge of those skilled in the art.
Touch-sensing plate 100 in Fig. 2 a display touch input device 1000 is configured at the situation outside display module 200.The touch-surface of touch input device 1000 can be the surface of touch-sensing plate 100.It Fig. 2 a can be able to be the upper side of touch-sensing plate 100 as the face of the touch-sensing plate 100 of touch-surface.And according to embodiment, the touch-surface of touch input device 1000 can be the outside of display module 200.In Fig. 2 a, it is possible to the outside of the display module 200 becoming touch-surface can be the bottom surfaces of the second polarizing layer 272 of display module 200.Here, for protecting display module 200, the bottom surfaces of display module 200 can be covered with the cover layer (not shown) of glass etc.
Touch-sensing plate 100 in Fig. 2 b and 2c display touch input device 1000 is configured at the situation within display panel 200.Here, the touch-sensing plate 100 being used for detecting touch location in Fig. 2 b is configured between the first glassy layer 261 and the first polarizing layer 271.Now, the touch-surface of touch input device 1000 is the outside of display module 200, can be upper side or bottom surfaces in figure 2b.Fig. 2 c display liquid crystal layer 250 includes the situation of the touch-sensing plate 100 for detecting touch location.Now, the touch-surface of touch input device 1000 is the outside of display module 200, can be upper side or bottom surfaces in Fig. 2 c.In Fig. 2 b and Fig. 2 c, it is possible to the upper side of display module 200 or bottom surfaces as touch-surface can be covered by the cover layer (not shown) of glass etc.
It is explained above and to the touch of the touch-sensing plate 100 according to this utility model embodiment whether and/or touch location to detect, but utilize can not only detect according to the touch-sensing plate 100 of this utility model embodiment and whether touch and/or touch location, additionally it is possible to the size of detection touch pressure.Furthermore it is also possible to include the size detecting the pressure detecting module detection touch pressure of touch pressure independent of touch-sensing plate 100.
Fig. 3 is the profile of the touch input device with the structure that can detect touch location and touch pressure according to this utility model the first embodiment.
Can adhere to before display module 200 for the touch-sensing plate 100 and pressure detecting module 400 detecting touch location including in the touch input device 1000 of display module 200.Therefore, it is possible to the display screen of protection display module 200, and the sensitivity of touch detection of touch-sensing plate 100 can be improved.
Now, pressure detecting module 400 can also work alone with the touch-sensing plate 100 being used for detecting touch location, for example, it is possible to make pressure detecting module 400 only detect pressure independent of the touch-sensing plate 100 of detection touch location.And, it is possible to so that the touch-sensing plate 100 that pressure detecting module 400 is incorporated into detection touch location detects touch pressure.It is for instance possible to use the drive electrode TX in the touch-sensing plate 100 detecting touch location and at least one the electrode detection touch pressure received in electrode RX.
Fig. 3 shows that pressure detecting module 400 can be incorporated into touch-sensing plate 100 and detect the situation of touch pressure.In Fig. 3, pressure detecting module 400 includes the sealing coat 420 making to be separated by between described touch-sensing plate 100 and display module 200.Pressure detecting module 400 can include being separated by the reference potential layer in touch-sensing plate 100 by sealing coat 420.Now, display module 200 can play the function of reference potential layer.
Reference potential layer can have any current potential that the electric capacity 101 generated between drive electrode TX and reception electrode RX can be caused to change.Such as, reference potential layer can be the ground plane with ground connection (ground) current potential.Reference potential layer can be ground connection (ground) layer of display module 200.Now, reference potential layer can be the plane parallel with the two dimensional surface of touch-sensing plate 100.
As it is shown on figure 3, touch-sensing plate 100 is spaced with the display module 200 as reference potential layer.Now, according to the difference of touch-sensing plate 100 with the adhering method of display module 200, the sealing coat 420 between touch-sensing plate 100 and display module 200 can be air gap (air gap).
At this point it is possible to utilize two-sided tape 430 (Double Adhesive Tape；DAT) fixing touch-sensing plate 100 and display module 200.Such as, touch-sensing plate 100 and display module 200 are the shapes of each area phase stacking, touch-sensing plate 100 is bonding by two-sided tape 430 with two layers of each marginal area of display module 200, and remaining region of touch-sensing plate 100 and display module 200 can predetermined distance d.
Generally, while when touching touch-surface, touch-sensing plate 100 does not bends, drive electrode TX and the electric capacity (Cm) 101 received between electrode RX still change.That is, mutual capacitance when touching touch-sensing plate 100 (Cm) 101 can reduce compared to basic mutual capacitance.Its reason be finger etc. as conductor object near touch-sensing plate 100 time object play the effect of ground connection (GND), the edge capacitance (fringing capacitance) of mutual capacitance (Cm) 101 is absorbed by object.When not touching touch-sensing plate 100, basic mutual capacitance is exactly the value of the mutual capacitance between drive electrode TX and reception electrode RX.
In the case of being under pressure owing to the touch-surface i.e. upper face of touch-sensing plate 100 is touched by object, touch-sensing plate 100 can bend.Now, the value of the mutual capacitance (Cm) 101 between drive electrode TX and reception electrode RX can reduce further.Its reason is that touch-sensing plate 100 bending causes the distance between touch-sensing plate 100 and reference potential layer to be reduced to d ' from d, and the edge capacitance of the most described mutual capacitance (Cm) 101 is not only absorbed by object, also can be absorbed by reference potential layer.Touch object be idioelectric in the case of the change of mutual capacitance (Cm) distance change (d-d ') that can only come between touch-sensing plate 100 and reference potential layer.
As it has been described above, the touch input device 1000 that touch-sensing plate 100 and pressure detecting module 400 are positioned on display module 200 can not only detect touch location, additionally it is possible to detection touch pressure.
But as it is shown on figure 3, in the case of touch-sensing plate 100 and pressure detecting module 400 are all arranged in display module 200 top, there is the problem that the display characteristic of display module declines.Especially, in the case of display module 200 top includes air gap, definition and the light transmission rate of display module may decline.
Therefore to prevent this problem, can not be used for detecting configuration air gap between the touch-sensing plate 100 of touch location and display module 200, but by optical cement (Optically Clear Adhesive；Etc OCA) bonding agent is laminated (lamination) touch-sensing plate 100 and display module 200 completely.
Fig. 4 is the profile of the touch input device according to this utility model the second embodiment.Touch input device 1000 according to this utility model the second embodiment is used for detect and is laminated completely by bonding agent between the touch-sensing plate 100 of touch location and display module 200.Therefore color clear degree, definition and the photopermeability of display module 200 display that can be confirmed can be improved by the touch-surface of touch-sensing plate 100.
Fig. 4, Fig. 5 and the content illustrated with reference to this figure show that touch-sensing plate 100 is laminated the touch input device 1000 according to this utility model the second embodiment being attached on display module 200 by bonding agent, but can also include that the touch-sensing plate 100 shown in Fig. 2 b and Fig. 2 c etc. is arranged in the situation within display module 200 according to the touch input device 1000 of this utility model the second embodiment.From the point of view of further, Fig. 4 and Fig. 5 shows that touch-sensing plate 100 covers the situation of display module 200, and the touch input device 1000 that touch-sensing plate 100 is positioned at inside display module 200 and display module 200 is covered by the cover layer of glass etc can be as the second embodiment of the present utility model.
Touch input device 1000 according to this utility model embodiment can include mobile phone (cell phone), personal digital assistant (Personal Data Assistant；PDA), smart mobile phone (smart phone), panel computer (tablet Personal Computer), MP3 player, notebook computer (notebook) etc. have the electronic installation of touch screen.
In touch input device 1000 according to this utility model embodiment, substrate 300 plays the function of the shell (housing) surrounding the assembly space 310 etc. accommodating circuit substrate and/or the battery worked for touch input device 1000 together with the gabarit mechanism i.e. housing 320 of such as touch input device 1000.Now, the CPU i.e. CPU (central processing unit) as mainboard (main board) or application processor (application processor can be equipped with on the circuit substrate of touch input device 1000 work；AP) etc..Substrate 300 makes display module 200 be separated with circuit substrate and/or the battery for touch input device 1000 work, can cut off the electrical noise that display module 200 occurs.
In touch input device 1000, touch-sensing plate 100 or above cover layer can be more than display module 200, substrate 300 and assembly space 310, therefore can form housing 320 and make housing 320 surround display module 200, substrate 300 and circuit substrate together with touch-sensing plate 100.
Touch input device 1000 according to this utility model the second embodiment can detect touch location by touch-sensing plate 100, detects touch pressure by configuring pressure detecting module 400 between display module 200 and substrate 300.Now, touch-sensing plate 100 may be located at display module 200 interiorly or exteriorly.Pressure detecting module 400 includes the sealing coat 420 being such as made up of air gap (air gap), and this part will be described in detail with reference to Fig. 5 to Fig. 7 b.According to embodiment, sealing coat 420 can be made up of impact absorbing material.According to embodiment, sealing coat 420 can use dielectric material (dielectric material) to fill.
Fig. 5 is the axonometric chart of the touch input device according to this utility model the second embodiment.As it is shown in figure 5, the sealing coat 420 making display module 200 and substrate 300 be separated by and the electrode 450 and 460 being positioned at sealing coat 420 can be included according to the pressure detecting module 400 of the touch input device 1000 of this utility model embodiment.Hereinafter, in order to clearly distinguish with the electrode in touch-sensing plate 100, the electrode 450,460 being used for detecting pressure is referred to as pressure electrode 450,460.Now, pressure electrode 450,460 is positioned at the back side of display panel rather than is positioned at before it, is therefore possible not only to be formed by transparency material, it is also possible to formed by nontransparent material.
Now, for keeping sealing coat 420, the splicing tape 440 with predetermined thickness can be formed along substrate 300 top edge.Fig. 5 shows that splicing tape 440 is formed at the situation at all edges (such as, dimetric four edges) of substrate 300, but at least some of (such as, dimetric three edges) that splicing tape 440 can also only be formed in substrate 300 edge.In embodiment, splicing tape 440 can also be formed at upper side or the bottom surfaces of display module 200 of substrate 300.In order to make substrate 300 and display module 200 have same potential, splicing tape 440 can be conductive strips.It addition, splicing tape 440 can be two-sided tape.In embodiment of the present utility model, splicing tape 440 can be made up of inelastic material.In embodiment of the present utility model, when display module 200 applies pressure, display module 200 can bend, even if therefore splicing tape 440 does not deform upon the size also being able to detect touch pressure with pressure.
Fig. 6 a is the profile of the touch input device including pressure electrode figure according to this utility model first embodiment.As shown in Figure 6 a, can be formed on substrate 300 in sealing coat 420 according to the pressure electrode 450,460 of this utility model first embodiment.
The first pressure electrode 450 and the second pressure electrode 460 can be included for detecting the pressure electrode of pressure.Now, any one electrode in the first pressure electrode 450 and the second pressure electrode 460 can be drive electrode, and remaining one can be to receive electrode.Can apply drive signal and obtain sensing signal by receiving electrode to drive electrode.When applying voltage, between the first pressure electrode 450 and the second pressure electrode 460, mutual capacitance can be generated.
Fig. 6 b is the profile of the situation that touch input device shown in Fig. 6 a is under pressure.For covering noise, the bottom surfaces of display module 200 can have ground connection (ground) current potential.By object 500 in the case of the surface of touch-sensing plate 100 applies pressure, touch-sensing plate 100 and display module 200 can bend.Therefore distance d between the figure of earthing potential face and pressure electrode 450,460 can be reduced to d '.In this case reducing along with described distance d, edge capacitance is shown the bottom surfaces of module 200 and absorbs, and therefore the mutual capacitance between the first pressure electrode 450 and the second pressure electrode 460 can reduce.Therefore, it can from the size calculating touch pressure by receiving the reduction amount obtaining mutual capacitance the sensing signal that electrode obtains.
In touch input device 1000 according to this utility model embodiment, display module 200 can bend under executing stressed touch.Can be at touch location generation maximum distortion when display module 200 bends.According to embodiment, the position that maximum distortion occurs when display module 200 bends can be inconsistent with described touch location, but display module 200 at least bends at described touch location.Such as, touch location is in the case of the positions such as the gabarit of display module 200 and marginal portion, and the maximum position of display module 200 degree of crook may differ with touch location, but display module 200 at least bends at described touch location.
Now for covering noise, the upper side of substrate 300 can also have earthing potential.Therefore, for preventing substrate 300 and pressure electrode 450,460 to be short-circuited (short circuit), pressure electrode 450,460 can be formed on insulating barrier 470.Fig. 8 shows the attaching structure of the pressure electrode according to this utility model embodiment.With reference to (a) in Fig. 8, the first insulating barrier 470 that pressure electrode 450,460 is formed on substrate 300.And according to embodiment, the first insulating barrier 470 that can will be formed with pressure electrode 450,460 adheres on the substrate 300.According to embodiment, after can being arranged on the first insulating barrier 470 on substrate 300 or substrate 300 by the mask (mask) of the through hole having corresponding to pressure electrode figure, injection conduction spray (spray) forms pressure electrode.
Further, in the case of the bottom surfaces of display module 200 has earthing potential, for preventing the pressure electrode 450,460 being positioned on substrate 300 to be short-circuited with display module 200, available the second other insulating barrier 471 covers pressure electrode 450,460.And it is possible to be integrally attached to substrate 300 after covering, with the second other insulating barrier 471, the pressure electrode 450,460 being formed on the first insulating barrier 470 to form pressure detecting module 400.
Attaching structure and the method for the pressure electrode 450,460 illustrated with reference to (a) in Fig. 8 can be applicable to pressure electrode 450,460 and be attached to the situation of display module 200.Pressure electrode 450,460 is attached to the situation of display module 200 and will further describe with reference to Fig. 6 c.
Further, according to kind and/or the implementation of touch input device 1000, the substrate 300 or the display module 200 that are attached with pressure electrode 450,460 can be with no ground current potential or the most weak earthing potentials.In this case, the ground electrode (ground electrode: not shown) being arranged between substrate 300 or display module 200 and insulating barrier 470 can also be included according to the touch input device 1000 of this utility model embodiment.According to including other insulating barrier (not shown) between embodiment, ground electrode and substrate 300 or display module 200.Now, the electric capacity that ground electrode (not shown) is prevented from as generating between the first pressure electrode 450 and second pressure electrode 460 of pressure electrode is excessive.
Formation and the adhering method of pressure electrode 450,460 described above are equally applicable to following example.
Fig. 6 c is the profile of the touch input device including pressure electrode according to this utility model the second embodiment.Although first embodiment display pressure electrode 450,460 is formed at the situation on substrate 300, but pressure electrode 450,460 can also be formed at the bottom surfaces of display module 200.Now, substrate 300 can have earthing potential.Therefore, in the case of the touch-surface to touch-sensing plate 100 touches, distance d between substrate 300 and pressure electrode 450,460 reduces such that it is able to cause the change of mutual capacitance between the first pressure electrode 450 and the second pressure electrode 460.
Fig. 6 d shows the pressure electrode figure according to this utility model first embodiment.Fig. 6 d shows that the first pressure electrode 450 and the second pressure electrode 460 are formed at the situation on substrate 300.Electric capacity between first pressure electrode 450 and the second pressure electrode 460 can change with the distance between the bottom surfaces of display module 200 and pressure electrode 450,460.
Fig. 6 e shows the pressure electrode figure according to this utility model the second embodiment.Fig. 6 e display pressure electrode 450,460 is formed at the situation in the bottom surfaces of display module 200.
Fig. 6 f and Fig. 6 g shows the figure of the pressure electrode 450,460 that can be applicable to this utility model embodiment.During by the size of the mutual capacitance change-detection touch pressure between the first pressure electrode 450 and the second pressure electrode 460, it is necessary to form the figure of the first pressure electrode 450 and the second pressure electrode 460 makes the necessary capacitance range generated for improving detection degree of accuracy.When relative area between first pressure electrode 450 and the second pressure electrode 460 is the biggest or length is the longest, the capacitance size of generation may be the biggest.Therefore, it can according between necessary capacitance range adjusted design the first pressure electrode 450 and the second pressure electrode 460 relative to size, length and shape etc..The situation that Fig. 6 f and Fig. 6 g is the first pressure electrode 450 and the second pressure electrode 460 is formed on identical layer, it is shown that the first pressure electrode 450 relative to each other in the pressure electrode of formation and the situation of the extended length of the second pressure electrode 460.
In first embodiment and the second embodiment, the first pressure electrode 450 and the second pressure electrode 460 are formed at identical layer, but according to embodiment, the first pressure electrode 450 can also be formed at different layers from the second pressure electrode 460.In Fig. 8, (b) shows attaching structure when the first pressure electrode 450 and the second pressure electrode 460 are formed at different layers.As shown in (b) in Fig. 8, the first pressure electrode 450 is formed on the first insulating barrier 470, and the second pressure electrode 460 can be formed on the second insulating barrier 471 on the first pressure electrode 450.According to embodiment, the second pressure electrode 460 can be covered with the 3rd insulating barrier 472.Now it is positioned at different layers due to the first pressure electrode 450 from the second pressure electrode 460, therefore can be arranged to overlap (overlap).Such as, the first pressure electrode 450 and the second pressure electrode 460 can be arranged to be similar to the figure of the M × N structure i.e. drive electrode TX in the touch-sensing plate 100 with reference to Fig. 1 explanation and reception electrode RX.Now, M and N can be the natural number of more than 1.
First embodiment schematically illustrates by the mutual capacitance change-detection touch pressure between the first pressure electrode 450 and the second pressure electrode 460.But pressure electrode 450,460 can only include any one pressure electrode in the first pressure electrode 450 and the second pressure electrode 460, in this case can be by the size of the capacitance variations detection touch pressure between a kind of pressure electrode of detection and ground plane (display module 200 or substrate 300).
Such as, pressure electrode in Fig. 6 a can only include the first pressure electrode 450, now can change the capacitance variations between the first pressure electrode 450 and the display module 200 caused by the distance between display module 200 and the first pressure electrode 450 and detect the size of touch pressure.Owing to when touch pressure increases, distance d reduces, therefore the electric capacity between display module 200 and the first pressure electrode 450 can increase along with the increase of touch pressure.This is equally applicable to the embodiment that Fig. 6 c is relevant.Now, pressure electrode, without having comb shape or trident shape to improve mutual capacitance variable quantity detection degree of accuracy, can have plate (such as, Square consisting of two isosceles right-angled triangles) shape as shown in Figure 7b.
Attaching structure when (c) display pressure electrode only includes the first pressure electrode 450 in Fig. 8.As shown in (c) in Fig. 8, the first pressure electrode 450 can be formed on the first insulating barrier 470 on substrate 300 or display module 200.And according to embodiment, the first pressure electrode 450 can be covered with the second insulating barrier 471.
Fig. 7 a is the profile of the touch input device including pressure electrode according to this utility model the 3rd embodiment.Pressure electrode 450,460 according to this utility model the 3rd embodiment can be formed in the upper side of substrate 300 and the bottom surfaces of display module 200 in sealing coat 420.
The first pressure electrode 450 and the second pressure electrode 460 can be included for detecting the pressure electrode figure of pressure.Now, in the first pressure electrode 450 and the second pressure electrode 460, any one electrode can be formed on substrate 300, and remaining electrode can be formed in the bottom surfaces of display module 200.Fig. 7 a shows that the first pressure electrode 450 is formed on substrate 300, and the second pressure electrode 460 is formed in the bottom surfaces of display module 200.
By object 500 in the case of the surface of touch-sensing plate 100 applies pressure, touch-sensing plate 100 and display module 200 can bend.Therefore distance d between the first pressure electrode 450 and the second pressure electrode 460 can reduce.In this case, along with described distance d reduces, the mutual capacitance between the first pressure electrode 450 and the second pressure electrode 460 can increase.Therefore the increments of mutual capacitance can be obtained to calculate the size of touch pressure from the sensing signal obtained by reception electrode.
Fig. 7 b shows the pressure electrode figure according to this utility model the 3rd embodiment.Fig. 7 b shows that the first pressure electrode 450 is formed at the bottom surfaces of display module 200, and the second pressure electrode 460 is formed at the upper side of substrate 300.As shown in Figure 7b, first pressure electrode 450 is formed at different layers from the second pressure electrode 460, therefore first embodiment and the second embodiment it are different from, first pressure electrode 450 and the second pressure electrode 460 are without constituting comb shape or trident shape, can be plate shape (such as, Square consisting of two isosceles right-angled triangles shape).
In Fig. 8, (d) shows that the first pressure electrode 450 is attached on substrate 300, and the second pressure electrode 460 is attached to attaching structure during display module 200.As shown in (d) in Fig. 8, on the first insulating barrier 470-2 that the first pressure electrode 450 is formed on substrate 300, the first pressure electrode 450 can be covered by the second insulating barrier 471-2.Further, on the first insulating barrier 470-1 that the second pressure electrode 460 is formed in the bottom surfaces of display module 200, the second pressure electrode 460 can be covered by the second insulating barrier 471-1.
As illustrated above in association with (a) in Fig. 8, in the case of being attached with the substrate 300 of pressure electrode 450,460 or the no ground current potential of display module 200 or the most weak earthing potential, and in Fig. 8 (a) to the first insulating barrier 470 shown in (d) in Fig. 8, ground electrode (not shown) can also be included between 470-1,470-2.Now, other insulating barrier (not shown) can also be included between ground electrode (not shown) and the substrate 300 or the display module 200 that are attached with pressure electrode 450,460.
As it has been described above, sense, according to the touch input device 1000 of this utility model embodiment, the capacitance variations that pressure electrode 450,460 occurs.Accordingly, it would be desirable to the drive electrode in the first pressure electrode 450 and the second pressure electrode 460 applies to drive signal, it should obtain sensing signal from reception electrode and the variable quantity according to electric capacity calculates touch pressure.According to embodiment, it is also possible to include the touch-sensing IC for pressure detecting module 400 work.In this case as it is shown in figure 1, repeat to include being similar to drive division 120, detecting part 110 and the composition in control portion 130, therefore there is area and the problem of volume increase of touch input device 1000.
According to embodiment, pressure detecting module 400 can apply drive signal and receive sensing signal to detect touch pressure by the touch detecting apparatus worked for touch-sensing plate 100.It is assumed hereinafter that the first pressure electrode 450 is drive electrode, the second pressure electrode 460 is for receiving electrode and illustrating.
Here, receive driving signal according to the first pressure electrode 450 in the touch input device 1000 of this utility model embodiment from drive division 120, sensing signal can be sent to detecting part 110 by the second pressure electrode 460.Control portion 130 is so that scan pressure detecting module 400 while scanning touch-sensing plate 100, or, control portion 130 can generate control signal and make timesharing and at very first time interval scanning touch-sensing plate 100, is being different from the second time interval scanning pressure detecting module 400 in very first time interval.
Therefore, should electrically connect with drive division 120 and/or detecting part 110 with the second pressure electrode 460 according to the first pressure electrode 450 in this utility model embodiment.Now, for the touch detecting apparatus of touch-sensing plate 100 as touch-sensing IC 150, it is generally formed in one end of touch-sensing plate 100 or is formed on same plane with touch-sensing plate 100.The figure of pressure electrode 450,460 can be electrically connected by any means with the touch detecting apparatus of touch-sensing plate 100.Such as, the figure of pressure electrode 450,460 can utilize the 2nd PCB 210 in display module 200, is connected to touch detecting apparatus by adapter (connector).Such as shown in Fig. 5, touch-sensing IC150 can be electrically connected to by the 2nd PCB 210 etc. from the conducting wire 451 and 461 that the first pressure electrode 450 and the second pressure electrode 460 electricity extend respectively.
Fig. 9 a and Fig. 9 b shows the adherence method of the pressure electrode according to this utility model the second embodiment.Fig. 9 a and Fig. 9 b shows that the pressure electrode 450,460 according to this utility model embodiment is attached to the situation of display module 200 bottom surfaces.Fig. 9 a and Fig. 9 b illustrates that in display module 200 bottom surfaces, subassembly has the 2nd PCB 210 of the circuit for display panel work.
The figure of Fig. 9 a display pressure electrode 450,460 is attached to the bottom surfaces of display module 200 and makes the first pressure electrode 450 and the second pressure electrode 460 be connected to the situation of the 2nd PCB 210 one end of display module 200.Wherein, Fig. 9 a shows that the first pressure electrode 450 and the making of the second pressure electrode 460 are formed at the situation on insulating barrier 470.The figure of pressure electrode 450,460 can be formed on insulating barrier 470 bottom surfaces being attached to display module 200 as one-piece type thin plate (sheet).Conductive pattern can be printed with on 2nd PCB 210, enable to the figure of pressure electrode 450,460 is electrically connected to the necessary components such as touch-sensing IC 150.This part will illustrate with reference to Figure 10 a to Figure 10 c.
Fig. 9 b shows that the first pressure electrode 450 and the second pressure electrode 460 are integrally formed at the situation of the 2nd PCB 210 of display module 200.Such as, from the 2nd PCB, predetermined area printing in advance are split when making two PCB 210 of display module 200 for the circuit of display panel work and corresponding to the first pressure electrode 450 and figure of the second pressure electrode 460.The conductive pattern that the necessity such as the first pressure electrode 450 and the second pressure electrode 460 are electrically connected to touch-sensing IC 150 are constituted can be printed with on 2nd PCB 210.
Figure 10 a to Figure 10 c display is according to the method that pressure electrode is connected to touch-sensing IC150 of this utility model the second embodiment.Figure 10 a to Figure 10 c display touch-sensing plate 100 is positioned at the situation outside display module 200, and the touch detecting apparatus of display touch-sensing plate 100 is integrated in the situation of the touch-sensing IC 150 being assembled on a PCB 160 of touch-sensing plate 100.
Figure 10 a shows that the pressure electrode 450,460 being attached to display module 200 is connected to the situation of touch-sensing IC 150 by the first adapter 121.As shown in Figure 10 a, in the mobile communications device such as smart mobile phone, touch-sensing IC 150 is connected to the 2nd PCB 210 for display module 200 by the first adapter (connector) 121.2nd PCB 210 can be electrically connected to mainboard by the second adapter 221.Therefore, touch-sensing IC 150 can be by the first adapter 121 and the second adapter 221 and CPU or the AP receiving and transmitting signal for touch input device 1000 work.
Now, Figure 10 a display pressure electrode 450 is attached to the situation of display module 200 by mode shown in Fig. 9 b but it also may be suitable for situation about being adhered to by mode as illustrated in fig. 9.2nd PCB 210 could be formed with the electroconductive member pattern that pressure electrode 450,460 is electrically connected to touch-sensing IC 150 by the first adapter 121.
Figure 10 b shows that the pressure electrode 450,460 being attached to display module 200 is connected to the situation of touch-sensing IC 150 by the 3rd adapter 473.In Figure 10 b, pressure electrode 450,460 is connected to the mainboard for touch input device 1000 work by the 3rd adapter 473, may then pass through the second adapter 221 and the first adapter 121 is connected to touch-sensing IC 150.Now, pressure electrode 450,460 can be printed on the other PCB211 separated with the 2nd PCB 210.Or according to embodiment, the figure of pressure electrode 450,460 can be formed on insulating barrier 470, extend conducting wire etc. from pressure electrode 450,460 and pass through the 3rd adapter 473 etc. and be connected to mainboard.
The figure of Figure 10 c display pressure electrode 450,460 is directly connected to the situation of touch-sensing IC 150 by the 4th adapter 474.In Figure 10 c, pressure electrode 450,460 can be connected to a PCB 160 by the 4th adapter 474.Can be printed with, on oneth PCB 160, the conductive pattern being electrically connected to touch-sensing IC 150 from the 4th adapter 474.Therefore, pressure electrode 450,460 can be electrically connected to touch-sensing IC 150 by the 4th adapter 474.Now, pressure electrode 450,460 can be printed on the other PCB 211 separated with the 2nd PCB 210.2nd PCB 210 can prevent from being electrically short-circuited to each other by insulation with other PCB 211.Or according to embodiment, pressure electrode 450,460 can be formed on insulating barrier 470, extend conducting wire etc. from pressure electrode 450,460 and pass through the 4th adapter 474 and be connected to a PCB 160.
The method of attachment of Figure 10 b and Figure 10 c is applicable not only to pressure electrode 450,460 and is formed at the situation of display module 200 bottom surfaces, applies also for the situation being formed on substrate 300.
Figure 10 a to Figure 10 c assumes chip on film (the chip on film that touch-sensing IC 150 is formed on a PCB 160；COF) structure being illustrated, but this is only to illustrate, this utility model can also be applicable to chip on board (the chip on board that touch-sensing IC 150 is assemblied in the assembly space 310 of touch input device 1000 on mainboard；COB) structure.According to the explanation about Figure 10 a to Figure 10 c, those of ordinary skill in the art connect pressure electrode 450,460 also by adapter in the case of being readily apparent that other embodiments.
Being explained above the first pressure electrode 450 and constitute a channel as drive electrode, the second pressure electrode 460 constitutes the pressure electrode 450,460 of a channel as receiving electrode.But this is merely illustrative, in embodiment, drive electrode and reception electrode can respectively constitute multiple channel and detect multiple pressure when multi-touch (multi touch).
Figure 11 a to Figure 11 c display constitutes the situation of multiple channels according to the pressure electrode of this utility model embodiment.Figure 11 a shows that first pressure electrode 450-1,450-2 and second pressure electrode 460-1,460-2 respectively constitutes the situation of two channels.Figure 11 b shows that first pressure electrode 450-1,450-2 constitutes two channels, and the second pressure electrode 460 constitutes the situation of a channel.Figure 11 c showing, the first pressure electrode 450-1 to 450-5 and the second pressure electrode 460-1 to 460-5 respectively constitutes the situation of five channels.
Figure 11 a to Figure 11 c display pressure electrode constitutes the situation of single or multiple channels, pressure electrode can be made to constitute single or multiple channels by multiple method.The not shown pressure electrode of Figure 11 a to Figure 11 c 450,460 is electrically connected to the situation of touch-sensing IC 150, but by Figure 10 a to Figure 10 c and additive method, pressure electrode 450,460 can be connected to touch-sensing IC 150.
Figure 12 is the coordinate diagram showing the capacitance change corresponding to object grammes per square metre (gram force) obtained by the pressurization of non-conductive object according to the experiment of the touch-surface central part of the touch input device 1000 of this utility model embodiment.As shown in Figure 12, the power of the touch-surface central part of the touch input device 1000 of pressurization this utility model embodiment is the biggest, and the capacitance change of the figure of the pressure electrode 450,460 in pressure detecting module 400 is the biggest.
Pressure detecting module 400 described above is condenser type detection module, but can use the pressure detecting module of any-mode in the case of pressure detecting module 400 utilizes sealing coat 420 and pressure electrode 450,460 according to the touch input device 1000 of this utility model embodiment.
Feature illustrated in the various embodiments described above, structure, effect etc. are contained at least one embodiment of this utility model, but are the most only defined in an embodiment.Further, other embodiments can be combined or deformation implementation by the feature shown in each embodiment, structure, effect etc. by embodiment those of ordinary skill in the field.Content accordingly, with respect to these combinations with deformation should be regarded as being contained in scope of the present utility model.
And, it is illustrated centered by embodiment above, but these are only to illustrate, not this utility model is defined, this utility model those of ordinary skill in the field are in the range of without departing from the intrinsic propesties of the present embodiment, it is also possible to carry out above NM various deformation and application.Such as, in embodiment, the concrete each element deformable occurred is implemented.Further, the discrepancy about these deformation with application should be regarded as being contained in the technical solution of the utility model.
Industrial applicability
This utility model can provide the position of a kind of touch that can not only detect on touch screen, additionally it is possible to the smart mobile phone including display module of detection touch pressure size.
Further, this utility model can provide a kind of and detect touch location and the smart mobile phone including display module of touch pressure size while the definition (visibility) not reducing display module and light transmission rate.
Claims (12)
1. an electrode slice, it is characterised in that including:
First insulating barrier, the second insulating barrier and the first electrode between described first insulating barrier and described second insulating barrier,
Second electrode,
Described electrode slice in order to detect change with the relative distance between reference potential layer and described electrode slice and described in changing
Electric capacity between first electrode and described second electrode, wherein said reference potential layer and described electrode slice are separated by configuration, and
And the size of the pressure of described distance change is caused according to the change-detection of described electric capacity.
2. an electrode slice, it is characterised in that including:
First insulating barrier, the second insulating barrier and the electrode between described first insulating barrier and described second insulating barrier,
Described electrode slice in order to detect change with the relative distance between reference potential layer and described electrode slice and described in changing
Electric capacity between electrode and described reference potential layer, wherein said reference potential layer and described electrode slice are separated by configuration, and
Change-detection according to described electric capacity causes the size of the pressure that described relative distance changes.
3. an electrode slice, it is characterised in that including:
First electrode slice, it includes the first insulating barrier, the second insulating barrier and to be positioned at described first insulating barrier second exhausted with described
The first electrode between edge layer；And
Second electrode slice, it includes the 3rd insulating barrier, the 4th insulating barrier and to be positioned at described 3rd insulating barrier 4th exhausted with described
The second electrode between edge layer,
Described electrode slice becomes with the relative distance change between described first electrode slice and described second electrode slice in order to detect
Electric capacity between described first electrode and described second electrode changed, and cause described according to the change-detection of described electric capacity
The size of the pressure of relative distance change.
Electrode slice the most according to claim 1 and 2, it is characterised in that:
Described electrode slice is arranged at the touch input device including substrate and display module, and be attached in described substrate with
One side relative with described substrate in one side that described display module is relative or described display module.
Electrode slice the most according to claim 4, it is characterised in that:
Described reference potential layer is one side or the one side of described display module of described substrate.
Electrode slice the most according to claim 3, it is characterised in that:
Described first electrode slice is arranged on the touch input device including substrate and display module, and is attached to described substrate
In one side relative with described substrate in the one side relative with described display module or described display module,
Described second electrode slice be attached in one side relative with described display module in described substrate and described display module with
The unattached one side having described first electrode slice in the one side that described substrate is relative.
7. according to the electrode slice described in claim 1 or 3, it is characterised in that:
Described first electrode or described second electrode constitute multiple channels.
Electrode slice the most according to claim 7, it is characterised in that:
Utilize multiple pressure of the plurality of Channel Detection multiple point touching.
Electrode slice the most according to claim 2, it is characterised in that:
Described electrode constitutes multiple channels.
Electrode slice the most according to claim 9, it is characterised in that:
Utilize multiple pressure of the plurality of Channel Detection multiple point touching.
11. electrode slices according to claim 4, it is characterised in that:
Described display module bends with the described pressure being subject to,
Distance between described electrode slice and described reference potential layer changes with the bending of described display module.
12. electrode slices according to claim 6, it is characterised in that:
Described display module bends with the described pressure being subject to,
Distance between described first electrode slice and described second electrode slice changes with the bending of described display module.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2014-0098917 | 2014-08-01 | ||
| KR1020140098917A KR101681305B1 (en) | 2014-08-01 | 2014-08-01 | Touch input device |
| CN201590000041.9U CN207198825U (en) | 2014-08-01 | 2015-07-31 | Smart mobile phone |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201590000041.9U Division CN207198825U (en) | 2014-08-01 | 2015-07-31 | Smart mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205486018U true CN205486018U (en) | 2016-08-17 |
Family
ID=56665270
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620075484.0U Active CN205540674U (en) | 2014-08-01 | 2015-07-31 | Touch input device |
| CN201620075349.6U Active CN206003066U (en) | 2014-08-01 | 2015-07-31 | Smart mobile phone |
| CN201620013377.5U Active CN205486018U (en) | 2014-08-01 | 2015-07-31 | Electrode sheet |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620075484.0U Active CN205540674U (en) | 2014-08-01 | 2015-07-31 | Touch input device |
| CN201620075349.6U Active CN206003066U (en) | 2014-08-01 | 2015-07-31 | Smart mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN205540674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571505A (en) * | 2022-02-28 | 2022-06-03 | 深圳市越疆科技有限公司 | Electronic skin module, mechanical arm and equipment based on self-capacitance detection |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106201147A (en) * | 2016-07-26 | 2016-12-07 | 京东方科技集团股份有限公司 | Touch base plate and display device |
| CN106484188B (en) * | 2016-10-31 | 2020-01-03 | 厦门天马微电子有限公司 | Touch display panel and pressure detection method |
| US11561636B2 (en) * | 2016-11-24 | 2023-01-24 | Hideep Inc. | Touch input device for detecting pressure with display noise compensation |
-
2015
- 2015-07-31 CN CN201620075484.0U patent/CN205540674U/en active Active
- 2015-07-31 CN CN201620075349.6U patent/CN206003066U/en active Active
- 2015-07-31 CN CN201620013377.5U patent/CN205486018U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114571505A (en) * | 2022-02-28 | 2022-06-03 | 深圳市越疆科技有限公司 | Electronic skin module, mechanical arm and equipment based on self-capacitance detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206003066U (en) | 2017-03-08 |
| CN205540674U (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207198825U (en) | Smart mobile phone | |
| CN205680068U (en) | Electrode slice | |
| CN205068342U (en) | Touch input device | |
| CN205050113U (en) | Smart mobile phone and electrode slice | |
| CN205139869U (en) | Pressure detection module reaches smart mobile phone including this pressure detection module | |
| KR101633923B1 (en) | Smartphone | |
| CN205486018U (en) | Electrode sheet | |
| KR101634315B1 (en) | Touch input device | |
| KR20170089824A (en) | Touch input device | |
| KR101656755B1 (en) | Electrode sheet and touch input device | |
| KR101763206B1 (en) | Touch input device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |