Background technology
Along with the relevant development that produces technology of touch control induction device, cause the quality of its usefulness and structure constantly to promote, on price, significantly reduce especially, therefore impel various touch control induction devices to be widely used on every electronic product, for example: to use as mouse pad, the virtual touch control keyboard of mobile computer or be disposed at personal digital assistant (personal digital assistant; PDA), on the screen of electronic products such as electronic dictionary, mobile phone, audio-visual digital player, navigational system (that is Touch Screen).
The Touch Screen of current use mainly contains two classes, resistance touch screen (resistive touch screen) and capacitance touch control screen (capactive touch screen).
Resistance touch screen mainly by conductive film (for example: tin indium oxide (indium tin oxide; ITO) film) and electro-conductive glass (for example: ito glass) form, wherein utilize insulation spacer to separate.Edge at conductive metal film and electro-conductive glass is provided with the conducting wire, respectively sets a fixed voltage simultaneously in two ends.When operation, with finger, pen or other medium screen (being conductive metal film) is pressed, its depression is contacted with the lower floor electro-conductive glass cause short circuit, and generation change in voltage (being pressure drop), transfer digital signal to via the analog digital controller then, the coordinate figure of digital signal being sent to processor does calculation process and obtains (X, Y) shaft position (being touch point), and then carry out the action of access again.
Because the running of resistance touch screen produces change in voltage by the screen surface distortion and realizes, therefore be fit to utilize sharp-pointed object such as pointer to operate.Relatively,, easily produce the insensitive situation of induction if during with finger manipulation, thereby can't the immediate response operational requirements.
Capacitance touch control screen mainly is based on glass plate, and the two sides all is coated with conductive material to form conductive layer, and outermost forms promising layer of silicon dioxide cure process thin layer.Around glass plate, be provided with electrode, on the conductive layer of the outside, to produce uniform low voltage electric field; Inner conductive layer then can provide electromagnetic screen and reducing noise.When the object that can conduct electricity, for example similarly be people's finger, touch screen, will produce capacitive coupling with the electric field on the conductive layer of the outside, remove small electric current and inhale.Each electrode is responsible for measuring the electric current from each corner, is made the coordinate of contact point again by controller.
Because capacitance touch control screen produces locating information by the electric current of induction conductive body, therefore can utilize the finger direct control and be quick on the draw, but for handwriting input etc. more subtly touch control operation (generally auxiliary) by sharp objects such as pointer then can't satisfy, promptly it can't use non-conductive object operation.
Summary of the invention
In view of above problem, fundamental purpose of the present invention is to provide a kind of electronic installation and multi-mode Touch Screen thereof with multiple touch control characteristics, to solve the existing in prior technology problem.
Disclosed its multi-mode Touch Screen of the present invention is applied to an electronic installation, comprising: a plurality of touch control units, at least one display panel and control module.
Display panel is arranged at a side of touch control unit, and a plurality of operation screens of corresponding touch control unit are provided respectively.Touch control unit has light transmission, causes the user can see through touch control unit and sees the picture that inboard display panel is shown.
Touch control unit is electrically connected to control module, respectively in order to the induction relative position touch-control to produce an induced signal and to offer control module.Control module receives the induced signal from touch control unit, and produces control signal corresponding according to the induced signal that receives, with the demonstration running of control display panel.
Touch control unit, display panel and control module can be arranged in the housing.Has the demonstration opening on the housing.Touch control unit then is positioned at the demonstration opening part of housing.
The opposite side of the relative display panel of touch control unit is provided with at least one insulation course.Insulation course has light transmission, and it is arranged on the demonstration opening of housing, in order to touch control unit and hull outside isolation with the inboard, and the protection touch control unit.At this moment, touch control unit is then responded to next touch-control to the relative position of the insulation course outside to produce induced signal.
And the touch control unit that side is adjacent can be shared an insulation course, with in forming seamless design in appearance.
In this, the touch control unit that side is adjacent can be shared a display panel, to simplify fabrication steps.Yet, but also corresponding display panel of each touch control unit.
Between wantonly two adjacent touch control units, can be provided with insulating part, to connect the adjacent touch control unit of adjacent touch control unit and electrical isolation.
In addition, can additionally be provided with one and switch the unit, with the touch control unit of selecting to operate.Thus, can cooperate the suitable touch control unit of carrying out at that time of application program operation,, and avoid unnecessary electrical source consumption with effective utilization resource.
In one embodiment, two touch control units can be provided, be respectively first inductive mode and second inductive mode, and first inductive mode is different from second inductive mode, for example: resistance-type and condenser type, resistance-type and optical profile type, resistance-type and acoustic wave, condenser type and optical profile type, condenser type and acoustic wave or optical profile type and acoustic wave etc.
In sum, multi-mode Touch Screen of the present invention is applied to an electronic installation, can cooperate the execution specific program of system in the applied electronic installation that a plurality of touch control units of suitable inductive mode are provided, import for the user, and then reach convenience and the accuracy of controlling.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and principle of work are done concrete description:
The present invention comes to provide at different operational requirements the touch control unit of different mode by the touch control unit of integrating multiple inductive mode.
With reference to Fig. 1, be multi-mode Touch Screen according to an embodiment of the invention.The multi-mode Touch Screen comprises: several touch control units 120, display panel 140 and control module 160.
Display panel 140 can provide several operation screens, and these a little several operation screens can be distinguished corresponding touch control unit 120.Touch control unit 120 is electrically connected to control module 160, respectively in order to the induction relative position touch-control to produce an induced signal and to offer control module 160.The induced signal that control module 160 receives from touch control unit 120, and according to the induced signal generation control signal corresponding that receives, with the demonstration running of control display panel, promptly carry out the System Operation of the touch control unit 120 pairing operation screens of corresponding generation induced signal.In this, System Operation is meant that when the multi-mode Touch Screen is applied to an electronic installation system that is arranged in this electronic installation carries out specific program.
In other words, each operation screen is the icon of controlling that is shown in an executive routine in the System Operation, and each executive routine has the required specific characteristic of controlling, cooperating each to control characteristic provides a touch control unit 120, causes the user to touch executive routine via touch control unit 120 according to controlling icon.For instance, but non-restriction of the present invention is handwriting input as if executive routine, controls icon and can demonstrate a hand-written input window, needs the meticulousr characteristic of controlling in this, thereby can provide the electric resistance touch-control unit to import for the user; Moreover, if executive routine is dialing, controls icon and can demonstrate digital keys, control characteristic this moment needs convenience, then can provide the capacitance touching control unit to carry out the touch-control dialing for the corresponding digital keys of user.
In this, control module 160 can be one to one or the mode of one-to-many handle the induced signal that receives.In other words, control module can be a controller (or processor) 162, to handle the induced signal from each touch control unit, shown in Fig. 2 A; Moreover control module also can be made up of a plurality of controller 162, and at least one touch control unit 120 of the corresponding respectively connection of each controller 162 is to handle the induced signal from the touch control unit 120 that is connected, shown in Fig. 2 B.In addition, but non-restriction of the present invention, controller can be the analog digital controller, is converted to digital signal with the induced signal with simulation, does calculation process via processor 170 then, and then the demonstration running of control display panel, shown in Fig. 2 A and Fig. 2 B.
For convenience of description, in this (for convenience of description with two touch control units, what below divide another name is first touch control unit and second touch control unit) be example, with reference to Fig. 3, the first touch control unit 120a, the second touch control unit 120b, display panel 140 and control module 160 can be arranged in the housing 100.
Has the demonstration opening on the housing 100.The first touch control unit 120a and the second touch control unit 120b then are arranged at the demonstration opening part of housing 100.Display panel 140 is arranged at the first touch control unit 120a and second touch control unit 120b below.The first touch control unit 120a and the second touch control unit 120b have light transmission, cause the user can see through the picture that the first touch control unit 120a and the second touch control unit 120b see that inboard display panel 140 is shown.Control module 160 couples display panel 140, the first touch control unit 120a and the second touch control unit 120b, and receive from the arbitrary induced signal among the first touch control unit 120a and the second touch control unit 120b, to produce control signal corresponding, to control the System Operation of the pairing operation screen of corresponding touch point according to the induced signal that receives.
Opposite side in the first touch control unit 120a and the relative display panel 140 of the second touch control unit 120b is provided with at least one insulation course 180.In other words, the adjacent side that is arranged at insulation course 180 of the first touch control unit 120a with the second touch control unit 120b, the then relative insulation course 180 of display panel 140 is positioned at the opposite side of the first touch control unit 120a and the second touch control unit 120b.
Insulation course 180 has light transmission, and it is arranged on the demonstration opening of housing 100, in order to the first touch control unit 120a of inboard and/or the second touch control unit 120b and housing 100 lateral septal from, and protection touch control unit.
The first touch control unit 120a and the second touch control unit 120b can respond to the touch-control that comes to the relative position of insulation course 180 opposite sides respectively to produce induced signal.That is to say, when using, the user can see through the insulation course that presses hull outside, to touch touch control unit, be that the touch-control input that touch control unit can be responded to the user produces an induced signal with correspondence, and induced signal is offered control module carry out signal Processing producing the control signal of corresponding induced signal, and then control corresponding System Operation.
And the first touch control unit 120a and the second touch control unit 120b that side is adjacent can share an insulation course 180, with in forming seamless design in appearance.Wherein, insulation course can be a cure process thin layer.
Between the first touch control unit 120a and the second touch control unit 120b, can be provided with insulating part 110, to connect the first adjacent touch control unit 120a of the first adjacent touch control unit 120a and the second touch control unit 120b and electrical isolation and the second touch control unit 120b.In like manner, when the touch control unit that has more than three or three, can provide at least one insulating part, connecting adjacent two in the touch control unit respectively, and the adjacent touch control unit that electrical isolation connected.
In this, first touch control unit 120a that side is adjacent and second touch control unit, 1 20b can share a display panel 140, to simplify fabrication steps.The display panel of sharing 140 is in the corresponding first touch control unit 120a of difference and the second touch control unit 120b display-operation picture, in other words, display panel 140 shows an operation screen in the zone of the corresponding first touch control unit 120a, and shows another operation screen in the zone of the corresponding second touch control unit 120b.This two operation screen can be identical or different.Moreover, the characteristic of controlling of system's respective operations picture can be corresponding to the touch control characteristics (being inductive mode) of touch control unit, for example: when having the touch control unit of two kinds of different touch control characteristics, then can provide corresponding two kinds of differences to control the operation screen of characteristic by corresponding respectively two touch control units.
In addition, each touch control unit (in this embodiment, i.e. the first touch control unit 120a and the second touch control unit 120b) also can a corresponding display panel 140a/b, as shown in Figure 4.
In this, the first touch control unit 120a can be different inductive mode with the second touch control unit 120b.In other words, the first touch control unit 120a can be first inductive mode, and the second touch control unit 120b can be second inductive mode, and first inductive mode is different from second inductive mode.For example, but non-restriction of the present invention, the inductive mode of touch control unit can be resistance-type, condenser type, optical profile type or acoustic wave etc.
For instance, suppose that the inductive mode of the first touch control unit 120a is a resistance-type, and the second touch control unit 120b is a condenser type.
Please refer to Fig. 5 A, the first touch control unit 120a can comprise: base material 121a, the first conducting film 123a, the second conducting film 125a, distance piece 127a and output line road 129a.
Base material 121a is arranged between insulation course 180 and the display panel (not showing in this figure).The first conducting film 123a and is arranged on the surface of base material 121a between insulation course 180 and base material 121a, and promptly the first conducting film 123a is arranged on the surface of a side of the nearly insulation course 180 of base material 121a.The second conducting film 125a is between the first conducting film 123a and insulation course 180.Distance piece 127a with the spaced apart first conducting film 123a and the second conducting film 125a, and then avoids not being short-circuited when touching and produces misoperation between the first conducting film 123a and the second conducting film 125a.Output line road 129a electrically connects the first conducting film 123a and the second conducting film 125a, exports induced signal with the first conducting film 123a that forms because of touch-control according to response and the change in voltage between the second conducting film 125a; In other words, it can couple control module and induced signal is exported to control module.
Please refer to Fig. 5 B, the second touch control unit 120b can comprise: base material 121b, conducting film 123b, electromagnetic shielding film 125b and output line road 129b.
Base material 121b is arranged between insulation course 180 and the display panel (not showing in this figure).Conducting film 123b is arranged on the surface of opposite side of the relative display panel of base material 121b.Electromagnetic shielding film 125b is between base material 121b and display panel.In other words, base material 121b is between conducting film 123b and electromagnetic shielding film 125b, and the contiguous insulation course 180 of conducting film 123b, and the contiguous display panel of electromagnetic shielding film 125b.Output line road 129b connects conducting film 123b and electromagnetic shielding film 125b, to export induced signal according to response because of the capacity effect that touch-control is formed on the conducting film; In other words, it can couple control module and induced signal is exported to control module.
And referring again to Fig. 3, Fig. 4, Fig. 5 A and Fig. 5 B, a circuit board 130 is arranged at display panel 140 belows.This circuit board 130 is provided with the signal processing circuit (not shown), in order to couple display panel 140, touch control unit (in this embodiment, i.e. the first touch control unit 120a and the second touch control unit 120b) and control module 160.Wherein, signal processing circuit can be connected with the output line road 129a/b of touch control unit by the web member (not shown).
On housing 100, more can be provided with the operation-interface 190 of one or more other kinds, for example: button, the navigation button and roller etc.This operation-interface 190 couples with the signal processing circuit of circuit board 130, controls for the user.
At this, though be to describe with two touch control units, so this is not restriction of the present invention, the touch control unit 120 more than three or three also can the cooperation demand be set, as shown in Figure 6.
In addition, can be provided with one in addition and switch unit 150, with the touch control unit of selecting to operate 120, shown in Fig. 7 A and Fig. 7 B.For instance,, can realize by software set or circuit switching mode in this, by the control of switch unit 150 one of select in only a plurality of touch control units 120 running or simultaneously in a plurality of touch control units 120 any two or any two more than operate.Thus, can cooperate the suitable touch control unit of carrying out at that time 120 of application program operation, import for the user, and then effectively use resource, and avoid causing unnecessary electrical source consumption because of the touch control unit 120 that can not use instantly also continues running.
Moreover touch control unit 120 also can be arranged at the not homonymy of housing 100, as shown in Figure 8.And, the operation-interface 190 of one or more other kinds can the corresponding not touch control unit 120 of homonymy additionally be set, for example: button, the navigation button and roller etc. on housing 100.
In sum, multi-mode Touch Screen of the present invention is applied to an electronic installation, for example: PDA(Personal Digital Assistant), intelligent mobile phone (smartphone), Espresso mobile phone (pocket personalcomputer phone; Pocket PC phone), flat computer (tablet personal computer; TabletPC), various portable electronic devices such as mobile computer, guiding aircraft, digital player, can cooperate system program in the applied electronic installation required control a plurality of touch control units that characteristic provides suitable inductive mode, import for the user, and then reach convenience and the accuracy of controlling.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.