Touch control display apparatus and touch control method thereof
Technical field
The present invention relates to a kind of touch control display apparatus and touch control method thereof.
Background technology
In recent years, touch-screen is widely used in the various demonstration products such as mobile phone, computer as a kind of information input tool of electronic product.Touch-screen is arranged on the display screen, and the user can contact this touch-screen with to this display screen input information with utility appliance such as hand or stylus, reduces even eliminates the dependence of user to other input equipment (as keyboard, mouse, telepilot etc.), handled easily.Touch-screen has polytypes such as resistance-type, condenser type, ultrasonic type and infrared-type usually.
See also Fig. 1 and Fig. 2, Fig. 1 is a kind of side structure synoptic diagram of prior art touch control display apparatus 10, and Fig. 2 is the fundamental diagram of touch control display apparatus 10 shown in Figure 1.This touch control display apparatus 10 comprises a touch-screen 11, a display screen 12, a frame glue 14 and a microprocessor 13.This touch-screen 11 is oppositely arranged with this display screen 12, and is adhesively fixed by this frame glue 14.This display screen 12 comprises a display surface (figure does not show), these touch-screen 11 contiguous these display surfaces.This microprocessor 13 is used for receiving the signal from this touch-screen 11, and corresponding generation one operation signal also is transferred to this display screen 12.This display screen 12 carries out display operation according to this operation signal.
This touch-screen 11 comprises one first substrate 111, one and this first substrate 111 second substrate 112, one first transparency conducting layer 113, one second transparency conducting layer 114, a bonding coat 115 and a plurality of sept 116 that are oppositely arranged.This first transparency conducting layer 113 is arranged on the surface of this first substrate 111 near this second substrate 112.This second transparency conducting layer 114 is arranged on the surface of this second substrate 112 near this first substrate 111, and is oppositely arranged with this first transparency conducting layer 113.This bonding coat 115 is clipped between this first substrate 111 and this second substrate 112, and the position edge region, is used for bonding this first substrate 111 and second substrate 112.This first substrate 111 is elastic apparent materials, and this second substrate 112 is rigidity transparent materials.
These a plurality of septs 116 are distributed between this first transparency conducting layer 113 and second transparency conducting layer 114, are used at interval this first transparency conducting layer 113 and second transparency conducting layer 114.These a plurality of septs 116 make this first transparency conducting layer 113 and second transparency conducting layer 114 be electric insulating state under original state.
Provide two cycles to replace the voltage that produces repeatedly, be applied to this first transparency conducting layer 113 and this second transparency conducting layer 114 respectively.
When stylus (indicate) contacted and push this touch-screen 11 surfaces some arbitrarily, these first substrate, 111 stressed bendings made this first transparency conducting layer 113 contact with this second transparency conducting layer 114 at a touch point A, and the formation electrical connection.This second transparency conducting layer 114 is surveyed the X direction voltage of this first transparency conducting layer 113 at this touch point A place.This X direction voltage transmission is to this microprocessor 13.This microprocessor 13 calculates the transverse axis coordinate of this touch point A.In like manner, this first transparency conducting layer 113 is surveyed the y direction voltage of second transparency conducting layer 114 at this touch point A place.This y direction voltage transmission is to this microprocessor 13.This microprocessor 13 calculates the ordinate of orthogonal axes of this touch point A.This microprocessor 13 can be determined the position of this touch point A by the way, and corresponding generation one operation signal is transferred to this display screen 12.This display screen 12 carries out display operation according to this operation signal at this touch point A place.
Yet this first transparency conducting layer 113 or this second transparency conducting layer, 114 surfaces tend to occur applying irregular situation on technology.As this touch point A near zone raised points B that distributes.When stylus pressed the touch point A on these touch-screen 11 surfaces, these first substrate, 111 bendings made this first transparency conducting layer 113 also contact with this second transparency conducting layer 114 at raised points B simultaneously.
In like manner, the X direction voltage signal of this raised points B and y direction voltage signal are transferred to this microprocessor 13.This microprocessor 13 receives this voltage signal, and determines the exact position of this raised points B, and corresponding generation one operation signal is transferred to this display screen 12.This display screen 12 carries out display operation according to this operation signal at this raised points B.
By above-mentioned analysis, finger or stylus press the touch point A on these touch-screen 11 surfaces, this touch control display apparatus 10 carries out display operation at touch point A, simultaneously, also at corresponding another the wrong display operation that produces of raised points B, feasible control out of true to input signal, thus the fiduciary level of this touch control display apparatus 10 is lower.
Summary of the invention
For solving the lower problem of prior art touch control display apparatus reliability, be necessary the touch control display apparatus that provides a kind of reliability higher.
In addition, also be necessary to provide a kind of touch control method of above-mentioned touch control display apparatus.
A kind of touch control display apparatus, it comprises a display screen, one and touch-screen, a pressure sensitive device and a microprocessor of the adjacent setting of this display screen.This touch-screen is accepted external pressure, and according to the corresponding voltage signal of this external pressure output.This pressure sensing device senses is applied to the external pressure of this touch-screen, and the output pressure signal.This microprocessor receives and screens required pressure signal, and outputs control signals to this display screen according to required pressure signal.Wherein, this microprocessor receives this voltage signal, and one group of coordinate signal of corresponding generation, and then this microprocessor is abandoned the pressure signal from this pressure sensitive device, and the corresponding operation signal that produces is transferred to this display screen, control demonstration output; This microprocessor receives this voltage signal, and corresponding generation at least two group coordinate signals, then the corresponding feedback signal that produces of this microprocessor is to this pressure sensitive device, this pressure sensitive device receives this feedback signal, and corresponding output pressure signal, this microprocessor receives this pressure signal, read the contact point of pressure maximum, defining this contact point is touch point, this microprocessor is according to the pressure signal of this touch point, corresponding generation one operation signal also is transferred to this display screen, controls the display operation of this display screen.
A kind of touch control display apparatus, it comprises a display screen, one and touch-screen, a microprocessor and a pressure sensitive device of the adjacent setting of this display screen.This touch-screen receives external pressure, and according to the corresponding voltage signal of external pressure output.This microprocessor receives this voltage signal and judges the depressed position of this touch-screen.This pressure sensitive device cooperates the correct depressed position of this microprocessor judges, exports corresponding this display screen that controls signal to for this microprocessor according to correct depressed position.Wherein, this microprocessor receives this voltage signal, and one group of coordinate signal of corresponding generation, and then this microprocessor is abandoned the pressure signal from this pressure sensitive device, and the corresponding operation signal that produces is transferred to this display screen, control demonstration output; This microprocessor receives this voltage signal, and corresponding generation at least two group coordinate signals, then the corresponding feedback signal that produces of this microprocessor is to this pressure sensitive device, this pressure sensitive device receives this feedback signal, and corresponding output pressure signal, this microprocessor receives this pressure signal, read the contact point of pressure maximum, defining this contact point is touch point, this microprocessor is according to the pressure signal of this touch point, corresponding generation one operation signal also is transferred to this display screen, controls the display operation of this display screen.
A kind of touch control display apparatus touch control method, it comprises the steps: to provide a display screen and one and the touch-screen of the adjacent setting of this display screen, and this touch-screen is accepted external pressure, and according to the corresponding voltage signal of this external pressure output; One pressure sensitive device is provided, and its induction is applied to the external pressure of this touch-screen, and the output pressure signal; One microprocessor is provided, and its reception is also screened required pressure signal, and output control signals to this display screen according to required pressure signal.Wherein, this microprocessor receives this voltage signal, and one group of coordinate signal of corresponding generation, and then this microprocessor is abandoned the pressure signal from this pressure sensitive device, and the corresponding operation signal that produces is transferred to this display screen, control demonstration output; This microprocessor receives this voltage signal, and corresponding generation at least two group coordinate signals, then the corresponding feedback signal that produces of this microprocessor is to this pressure sensitive device, this pressure sensitive device receives this feedback signal, and corresponding output pressure signal, this microprocessor receives this pressure signal, read the contact point of pressure maximum, defining this contact point is touch point, this microprocessor is according to the pressure signal of this touch point, corresponding generation one operation signal also is transferred to this display screen, controls the display operation of this display screen.
A kind of touch control display apparatus touch control method, it comprises the steps: to provide a display screen and one and the touch-screen of the adjacent setting of this display screen, and this touch-screen receives external pressure, and according to the corresponding voltage signal of external pressure output; Provide a microprocessor, the depressed position that it receives this voltage signal and judges this touch-screen; And a pressure sensitive device is provided, it cooperates the correct depressed position of this microprocessor judges, exports corresponding this display screen that controls signal to for this microprocessor according to correct depressed position.Wherein, this microprocessor receives this voltage signal, and one group of coordinate signal of corresponding generation, and then this microprocessor is abandoned the pressure signal from this pressure sensitive device, and the corresponding operation signal that produces is transferred to this display screen, control demonstration output; This microprocessor receives this voltage signal, and corresponding generation at least two group coordinate signals, then the corresponding feedback signal that produces of this microprocessor is to this pressure sensitive device, this pressure sensitive device receives this feedback signal, and corresponding output pressure signal, this microprocessor receives this pressure signal, read the contact point of pressure maximum, defining this contact point is touch point, this microprocessor is according to the pressure signal of this touch point, corresponding generation one operation signal also is transferred to this display screen, controls the display operation of this display screen.
Compared with prior art, touch control display apparatus of the present invention comprises a pressure sensitive device.When stylus contacts and pushes this touch-screen, if when this first transparency conducting layer or this second layer at transparent layer out-of-flatness, this microprocessor is abandoned this pressure sensitive device signal, and corresponding generation one operation signal is transferred to this display screen, makes this display screen carry out display operation at this touch point.Otherwise, the pressure signal that this pressure sensitive device of this microprocessor processes is transmitted.This microprocessor judges pressure signal size is determined that the corresponding contact point of pressure maximum is a touch point, and is made this display screen carry out display operation at this touch point, prevents that maloperation from taking place.
Description of drawings
Fig. 1 is a kind of side structure synoptic diagram of prior art touch control display apparatus.
Fig. 2 is the fundamental diagram of touch panel display device shown in Figure 1.
Fig. 3 is the side structure synoptic diagram of touch control display apparatus first embodiment of the present invention.
Fig. 4 is the fundamental diagram of touch control display apparatus shown in Figure 3.
Fig. 5 is the side structure synoptic diagram of touch control display apparatus second embodiment of the present invention.
Embodiment
See also Fig. 3 and Fig. 4, Fig. 3 is the side structure synoptic diagram of touch control display apparatus 30 first embodiments of the present invention, and Fig. 4 is the fundamental diagram of this touch control display apparatus 30 shown in Figure 3.This touch control display apparatus 30 comprises a touch-screen 31, a display screen 32, a frame glue 34, a pressure sensitive device 35 and a microprocessor 33.This touch-screen 31 is oppositely arranged with this display screen 32, and is adhesively fixed by this frame glue 34.This display screen 32 comprises a display surface (figure does not show), these touch-screen 31 adjacent these display surfaces.This microprocessor 33 comprises a first input end 331, one second input end 333, one first output terminal 332 and one second output terminal 334.Wherein these first input end 331 receptions are from the signal of this touch-screen 31, the signal that this second input end 333 receives from this pressure sensitive device 35, this first output terminal, 332 outputs, one feedback signal is to this pressure sensitive device 35, and this second output terminal, 334 outputs, one operation signal is to this display screen 32.This display screen 32 shows output according to this operation signal control.
This touch-screen 31 comprises one first substrate 311, one and this first substrate 311 second substrate 312, one first transparency conducting layer 313, one second transparency conducting layer 314, a bonding coat 315 and a plurality of sept 316 that are oppositely arranged.This first transparency conducting layer 313 is arranged on the surface of this first substrate 311 near this second substrate 312.This second transparency conducting layer 314 is arranged on the surface of this second substrate 312 near this first substrate 311.This bonding coat 315 is clipped between this first substrate 311 and this second substrate 312, and the position is at the fringe region of this first substrate 311 with this second substrate 312, is used for bonding this first substrate 311 and this second substrate 312.This first substrate 311 is elastic apparent materials, and this second substrate 312 is rigidity transparent materials.
These a plurality of septs 316 are distributed between this first transparency conducting layer 313 and second transparency conducting layer 314, are used at interval this first transparency conducting layer 313 and this second transparency conducting layer 314.These a plurality of septs 316 make this first transparency conducting layer 313 and this second transparency conducting layer 314 be electric insulating state under original state.
This pressure sensitive device 35 is one to be arranged on the thin layer of this first substrate 311 away from the surface of these second transparency conducting layer, 314 1 sides.When stylus contacted and pushes this touch-screen 31, this pressure sensitive device 35 and the 311 stressed bendings of first substrate made this first transparency conducting layer 313 contact with this second transparency conducting layer 314 at a touch point A '.This pressure sensitive device 35 is used for detecting to should first transparency conducting layer 313 and the pressure signal of these second transparency conducting layer, 314 contact points.
The touch control method of this touch control display apparatus 30 is as detailed below:
Stylus contact is also pushed on this touch-screen 31 more arbitrarily, and these pressure sensitive device 35 and these first substrate, 311 stressed bendings make this first transparency conducting layer 313 contact with this second transparency conducting layer 314 at a touch point A ', and form electrical connection.This second transparency conducting layer 314 is surveyed the X direction voltage of first transparency conducting layer 313 at touch point A ', and with the first input end 331 of this X direction voltage transmission to this microprocessor 33, this microprocessor 33 calculates the X direction coordinate of this touch point A ' according to this X direction voltage.In like manner, this first transparency conducting layer 313 is surveyed the y direction voltage of second transparency conducting layer 314 at an A ', this y direction voltage transmission is to the first input end 331 of this microprocessor 33, this microprocessor 33 calculates the ordinate of orthogonal axes of this touch point A ' according to this y direction voltage, by the way, the coordinate signal of this touch point A ' is detected and read to this microprocessor 33.
Simultaneously, these pressure sensitive device 35 sensings to should first the deformation quantity of transparency conducting layer 313 and these second transparency conducting layer, 314 contact points.
If this first transparency conducting layer 113 or this second transparency conducting layer, 114 surfacings, this pressure sensitive device 35 produces a pressure signal and is transferred to this microprocessor 33.This microprocessor 33 is abandoned this pressure signal and according to corresponding generation one operation signal of this touch point A ' coordinate signal, and is transferred to this display screen 32 by this second output terminal 334.This display screen 32 carries out display operation according to this operation signal at this touch point A '.
If this first transparency conducting layer 113 or this second transparency conducting layer, 114 surface irregularities, i.e. this touch point A ' near zone raised points B ' that distributes.
When stylus contact and push on this touch-screen 31 touch point A ' time, these first substrate, 311 stressed bendings also make the raised points B ' on these first transparency conducting layer, 313 surfaces contact with this second transparency conducting layer 314, the formation electrical connection.With 33 detectings of this microprocessor and when reading the coordinate signal of this touch point A ', the coordinate signal of this raised points B ' is also detected and read to this microprocessor 33.
Simultaneously, touch point A ' on this touch-screen 31 is also pushed in stylus contact, and deformation take place this pressure sensitive device 35, and to should locating the deformation quantity maximum by touch point A ', and this touch point A ' near zone deformation quantity is gradually little.This pressure sensitive device 35 sensing simultaneously and produces pressure signal and is transferred to this microprocessor 33 should first transparency conducting layer 313 and the deformation quantity of these second transparency conducting layer, 314 contact points.
This microprocessor 33 reads the coordinate signal of this touch point A ' and raised points B ', and corresponding generation one feedback signal is transferred to this pressure sensitive device 35 by this first output terminal 332.This pressure sensitive device 35 reads this feedback signal, and corresponding generation pressure signal also is transferred to this pressure signal second input end 333 of this microprocessor 33.
This microprocessor 33 receives the pressure signal of this touch point A ' and this raised points B ', judges this two pressure signal sizes, and chooses the contact point of pressure maximum, i.e. touch point A '.Correspondingly, this microprocessor 33 produces an operation signal, and is transferred to this display screen 32 by this second output terminal 334.This display screen 32 carries out display operation according to this operation signal at this touch point A '.
In sum, the stylus contact is also pushed touch point A ' on this touch-screen 31, and this touch-screen 31 is accepted external pressure, and according to the corresponding voltage signal of this external pressure output; These pressure sensitive device 35 inductions are applied to the external pressure of this touch-screen 31, and the output pressure signal.This microprocessor 33 is judged coordinate signal quantity according to the voltage signal of being imported.If only produce a coordinate signal, promptly only be the coordinate signal of touch point A ', this microprocessor 33 is abandoned this pressure signal and corresponding generation one operation signal to this display screen 32, controls display operation.If produce two coordinate signals, these microprocessor 33 corresponding generation one feedback signals make these pressure sensitive device 35 transmission pressure signals to this microprocessor 33 to this pressure sensitive device 35.This microprocessor 33 is judged the pressure signal size, and the contact point of determining the pressure maximum is touch point A '.These microprocessor 33 corresponding generation one operation signals also are transferred to this display screen 32, the control display operation.
Compared with prior art, this touch control display apparatus 30 comprises a pressure sensitive device 35.This pressure sensitive device 35 cooperates these microprocessor 33 judicious depressed position, exports corresponding this display screen 32 that controls signal to for this microprocessor 33 according to correct depressed position.
Seeing also Fig. 5, is the synoptic diagram of touch control display apparatus second embodiment of the present invention.The touch control display apparatus 30 of this touch control display apparatus 50 and first embodiment is roughly the same, and its key distinction is: pressure sensitive device 55 is arranged between first substrate 511 and first transparency conducting layer 513.When stylus (not indicating) contacted and pushes touch-screen 51, this touch-screen 51 was accepted external pressure, and according to the corresponding voltage signal of this external pressure output; These pressure sensitive device 55 inductions are applied to the external pressure of this touch-screen 51, and the output pressure signal.If when this first transparency conducting layer 513 or this second transparency conducting layer, 514 surface irregularities, microprocessor (figure does not show) is abandoned the pressure signal of this pressure sensitive device 55, corresponding generation one operation signal of this microprocessor also is transferred to this display screen (not indicating), makes this display screen carry out display operation at this touch point.Otherwise, the pressure signal that this pressure sensitive device 55 of this microprocessor processes is transmitted.This microprocessor judges pressure signal size is determined that the contact point of pressure maximum is a touch point, and is made this display screen carry out display operation at this touch point, prevents that maloperation from taking place.
It is described that touch control display apparatus 30,50 of the present invention is not limited to above-mentioned embodiment, and for example: this pressure sensitive device 35,55 can be pressure transducer, mechanics sensor, foil gauge or pulling force sensor etc.