CN101989139A - Array type touch panel with touch feedbacks - Google Patents
Array type touch panel with touch feedbacks Download PDFInfo
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- CN101989139A CN101989139A CN2009101610653A CN200910161065A CN101989139A CN 101989139 A CN101989139 A CN 101989139A CN 2009101610653 A CN2009101610653 A CN 2009101610653A CN 200910161065 A CN200910161065 A CN 200910161065A CN 101989139 A CN101989139 A CN 101989139A
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Abstract
The invention relates to an array type touch panel with touch feedbacks, which comprises a touch unit, a central processing unit, a vibration unit and a display unit, wherein the vibration unit is provided with a plurality of thinned vibrators; when the display unit displays a touch picture and a touch body is positioned on the touch unit for touch control, an action track during touching is recorded by the touch unit and transmitted to the central processing unit; and then the vibration unit receives the action track to drive the vibrators at relative positions of the action track, thus the effects of generating local touch feedbacks by the touch points of the touch body and sequentially generating touch feedbacks according to the action track of the touch body during touching.
Description
Technical field
A kind of contact panel, refer to especially a kind of can be corresponding touch trajectory produce the contact panel of the array haptic feedback of haptic feedback.
Background technology
The improvement of existing touch technology mainly can be divided into two big classes again, and a kind of is the variation of the sensed media of contact panel itself, for example resistance-type, condenser type etc., and another kind then is operational variation, for example single-point touch develops to multi-point touch.
Operation when how to make touch-control, more humane, the authenticity when allowing the user more obviously feel touch-control, promptly so-called feedback concerning the user, is most important on the contrary.
Therefore, many contact panels when for example finger, pointer etc. contact, all can produce corresponding sound effect at the touch-control body, and the mode that sees through sound feeds back to the user with the touch-control process.
And another kind of common Feedback Technology, it is exactly vibration, many electronic products, for example mobile phone, PDA etc., itself all is equiped with micro motor, therefore after the touch-control body touches contact panel, rotates the generation vibration by micro motor, this type of produces the vibration feedback when touch-control mode just is called haptic feedback or touch-control feedback.
Though see through the effect that micro motor just can reach haptic feedback, but micro motor is the structure that belongs to conventional motor eventually, therefore, it is limited or the like that big, the long-time running of high power consumption, starting current is easy to generate heat and volume-diminished amplitude, is still it and mainly lacks.
And along with the progress of piezoelectric, the actuator so that piezoelectric is made no matter be volume or thickness, has reached suitable microminiaturization, as piezo-activator (Piezoelectric Actuator), piezo-electric motor (Piezoelectric Motor) etc.; Wherein, piezoelectric effect mainly contains two kinds: direct piezo electric effect (Direct piezoelectric effect) and inverse piezoelectric effect (Converse piezoelectric effect).Piezoelectrics are exerted pressure, and then the electric dipole moment in the body can shorten with the compression of material, and be this kind of opposing trend this moment in the piezoelectrics, will produce voltage to maintain the original state, and this is alleged direct piezo electric effect.Otherwise when piezoelectrics were subjected to electric field action, electric dipole moment can be elongated, and piezoelectrics can extend along direction of an electric field, convert electrical energy into mechanical energy, and this is alleged inverse piezoelectric effect.And the above-mentioned piezo-activator of mentioning, piezo-electric motor etc. are inverse piezoelectric effect, and can produce as mechanical energy such as vibration.
Piezo-activator generally can be divided into two types on using:
First type is to utilize the longitudinal effect (Longitudinal Effect) of piezoelectric element and the simple linear displacement type that horizontal effect (Lateral Effect) is produced, its start can be considered the linear motor with micro/nano level fine motion ability, and its structure comprises single-layer element, lamination element and tube element etc.
Second type is the complex bend displacement type that can produce big displacement, generally is made up of piezoelectric element and other resilient materials, and its kind comprises individual layer piezoelectric beam (Unimorph), double-deck piezoelectric beam (Bimorph) etc.
The simple structure of single-layer type piezoelectric element, but displacement is very little.The thickness of general single-layer type piezoelectric element is between 0.1~1mm, and producible displacement is about 100nm.In recent years, along with the development that progresses greatly of the Micrometer-Nanometer Processing Technology of MEMS (micro electro mechanical system), can be with piezoelectric material filmization, its response frequency from 100MHz to number GHz.The type of drive of single-layer type piezoelectric element is that the thickness direction at piezoelectric element applies voltage, makes material internal generation electric charge split pole (Polarization) or polarization, thereby produces dilatation.Because the process of polarization, the accumulation of similar electric charge on capacitor (Capacitor), so piezoelectric element is also had the character of electric capacity.
Multi-layer piezoelectric element basically by the single-layer type piezoelectric element overlapped the institute form, every interlayer is with film-insulated, the general number of plies is by tens of extremely hundreds of layers, therefore can access the displacement bigger than single-layer type piezoelectric element, displacement is from several microns to tens of microns, and natural frequency arrives number 10kHz about number kHz.On energy conversion efficiency, stack-up type is high than the single-layer type piezoelectric element also.Between each single-layer type piezoelectric element with electrode gap, and make the polarised direction of the polarised direction of each single-layer type piezoelectric element and adjacent single-layer type piezoelectric element reverse, though therefore on physical construction, belong to the series connection pattern, be to belong to pattern in parallel on electrical specification.Its type of drive is to apply voltage simultaneously at each single-layer type piezoelectric element, makes it produce change in displacement in polarised direction.
As United States Patent (USP) bulletin communique, " the Method and apparatus for providing tactile sensations " that No. 7336260, notification number, it provides the technology of a kind of haptic feedback (Tactile feedback), (Piezo Ceramic Element) (for example installs mechanical input equipment with a piezo ceramic element, mechanical switch) and the on-mechanical input equipment (for example, touch pad) under, then when object contacts and carries out touch-control, this piezo ceramic element will produce vibration.
The U.S. Patent Publication communique, No. the 20070024593rd, publication number " Touch device and method for providing tactile feedback ", one electroacoustics transducer (Dlectro-Acoustic Transducer) is installed under the contact panel, then when touch object touches the specific region of this contact panel, this electroacoustics transducer will produce vibration.
The U.S. Patent Publication communique, No. the 20070080951st, publication number " Input device and electronic device using the input device ", (Piezoelectric Actuators) is installed between contact panel and the liquid crystal panel with a plurality of piezoelectric actuators, and the position is positioned at four sides, then when the touch-control action produces, can produce vibration by any piezoelectric actuator.
And, the U.S. Patent Publication communique, No. the 20080122315th, publication number " Substrate supporting vibration structure; input device having haptic function, and electronic device ", it has a plurality of vibration applications portions (Ibration applying portion), and be installed between contact panel and the liquid crystal panel, mainly be positioned at two opposed side edges, then when the touch-control action produces, can produce vibration by any vibration applications portion.
Though above-mentioned each patent can produce haptic feedback when touch-control, but by learning in the described patent, after the touch-control action produces, all in order to vibrative vibrating device (as the piezo ceramic element of notification number 7336260, the electroacoustics transducer that No. the 20070024593rd, publication number, the piezoelectric actuator that No. the 20070080951st, publication number etc.) when vibration, all be to make whole contact panel as the vibrating sensing zone, in other words, touch control operation now, by the single-point touch progress to multi-point touch, therefore, above-mentioned those patents are when haptic feedback, can't be at each touch point (or contact point, also may be interpreted as the position that the touch-control body touches contact panel) carry out independent haptic feedback, therefore, no matter several touch point, when producing haptic feedback, be still whole contact panel and produce vibration, and be identical vibration source, and can't effectively promote the authenticity of haptic feedback.
In addition, above-mentioned those patents are covered liquid crystal panel for fear of lighttight vibration generating apparatus, vibrating device must be arranged at the periphery of contact panel, liquid crystal panel, perhaps be arranged at the liquid crystal panel bottom, then the vibration of vibrating device generation is through contact panel, liquid crystal panel etc., received by touch control objects such as hand, pointer, the effect of this vibration is had a greatly reduced quality again, and causes the impression dynamics of haptic feedback to descend.
Because above-mentioned demand, the inventor hence studies intensively, and long-pending individual is engaged in the many years of experience of this cause, designs a kind of contact panel of brand-new array haptic feedback eventually.
Summary of the invention
The objective of the invention is to, solve existing contact panel when producing haptic feedback, be still whole contact panel and produce vibration, and be the technical matters of identical vibration source.
For reaching above-mentioned purpose, the contact panel of array haptic feedback of the present invention, it comprises:
One touch control unit has a contact panel that can carry out touch control operation for a default touch-control body, and one with the touch-control driving element of this contact panel electric connection, this touch-control driving element is in order to calculate this movement locus of this touch-control body;
One CPU (central processing unit), it is in order to receiving this movement locus, and electrically connects with this display unit, this touch control unit respectively;
One vibration unit, for having the Vib. of a plurality of slimmings, and one move vibrative vibratory drive element in order to drive described Vib.;
One display unit, this display unit is in order to show a default touch-control picture.
This contact panel is the end face that stacks on this display unit again, and then the described Vib. of this vibration unit perhaps is located between this contact panel and this display unit for can be located at this contact panel end face, this display unit bottom surface.
By this, when this touch-control body carries out the touch-control action on this contact panel of this touch control unit, this touch-control driving element will write down this movement locus of this touch-control body, and this movement locus is sent to this CPU (central processing unit), at the same time, this CPU (central processing unit) is calculated this touch-control body when touch-control, the described Vib. of pairing this vibration unit of this movement locus, and then this vibration unit drives described Vib. and produces vibration in this touch-control body contact back;
In other words, when this touch-control body touches this contact panel, because this touch control unit is provided with this vibration unit, therefore, will produce vibration with the corresponding described Vib. in the position of touch point, and the Vib. of other positions will can not produce vibration, simultaneously, when this touch-control body is mobile on this contact panel, described Vib. will produce vibration along with the displacement of this touch-control body, form haptic feedback (or claiming touch-control feedback), in addition in this touch-control body away from the time stop vibration.
Beneficial effect of the present invention is, can provide a kind of and can produce the contact panel of the array haptic feedback of topognosis's feedback by touch-control body position contacting; Can provide a kind of and can produce the contact panel of the array haptic feedback of haptic feedback in regular turn according to the movement locus of touch-control body; A kind of contact panel of array haptic feedback of the vibrating effect that improves haptic feedback can be provided; A kind of contact panel of tool light-permeable vibrations cellular array formula haptic feedback can be provided.
In addition, so-called this touch-control body of the present invention, in practical application, can be people's finger, the pointer of using for touch-control specially or the object that generally can be used for touch-control, the category that all belongs to this touch-control body of the present invention, and the so-called movement locus of the present invention is not limited to the movement locus under single-point or the multi-point touch.
Description of drawings
Fig. 1 is the calcspar one of preferred embodiment of the present invention;
Fig. 2 is the calcspar two of preferred embodiment of the present invention;
Fig. 3 is the stereographic map of preferred embodiment of the present invention;
Fig. 4 is the three-dimensional exploded view of preferred embodiment of the present invention;
Fig. 5 is the part exploded view of preferred embodiment of the present invention;
Fig. 6 is the process flow diagram of preferred embodiment of the present invention;
Fig. 7 is the action synoptic diagram of preferred embodiment of the present invention;
Fig. 8 is the present invention's stereographic map of a preferred embodiment again;
Fig. 9 is the stereographic map of the another preferred embodiment of the present invention.
Description of reference numerals:
The 1-touch control unit; 11-touch-control driving element; The 12-contact panel; The 2-vibration unit; The 21-Vib.; 22-vibratory drive element; The 3-CPU (central processing unit); The 4-display unit.
Embodiment
Below in conjunction with accompanying drawing structure of the present invention and effect are described.
See also Fig. 1 to shown in Figure 5, calcspar one, two, stereographic map, three-dimensional exploded view and part exploded view for preferred embodiment of the present invention, as shown in the figure, the contact panel of array haptic feedback of the present invention is constituted by including a touch control unit 1, a vibration unit 2 and a CPU (central processing unit) 3, a display unit 4, wherein
This touch control unit 1 has a contact panel 12, this contact panel 12 be electric resistance touch-control panel, capacitance type touch-control panel, infrared-type touch panel, optical touch control panel or ultrasonic formula contact panel wherein one, and this touch control unit 1 also is provided with a touch-control driving element 11, itself and this contact panel 12 electrically connects, and in order to calculate or to write down the movement locus of a default touch-control body when these contact panel 12 touch-controls.
This vibration unit 2 is for to have the Vib. 21 and of a plurality of slimmings in order to drive the vibratory drive element 22 of described Vib. 21, described Vib. 21 is in the present embodiment diagram, (Piezoelectric Actuator) does explanation with piezo-activator, it is stacking mutually that each Vib. 21 has two piezoelectric patches, be to electrically connect mutually between the piezoelectric patches of upper strata, also be to electrically connect mutually between lower floor's piezoelectric patches, on then being somebody's turn to do, the electric connection mode of lower floor's piezoelectric patches, can be series connection, in parallel, connection in series-parallel, the connected mode that electronic circuit components such as parallel-series are commonly used, at last, this vibratory drive element 22 is electrically connected to upper strata piezoelectric patches and lower floor's piezoelectric patches more respectively.This vibratory drive element 22 in the present embodiment is connected to the upper strata piezoelectric patches with positive pole, and negative pole is connected to lower floor's piezoelectric patches, but does not limit the aspect of actual enforcement, only illustrates that with positive and negative electrode this vibratory drive element 22 is with the qualitative ways of connecting of different links.
When piezoelectric patches is subjected to electric field action, for example, the electric signal that these vibratory drive element 22 generation string ripple signals or tool just shake, electric dipole moment can be elongated, piezoelectric patches can extend along direction of an electric field, this is about to electric energy and is converted to mechanical energy, and produces vibration, other as the Vib. of piezo-electric motor (Piezoelectric Motor), ultrasonic motor (Ultrasonic Motor), electret (Electret) or relevant slimming one of them.When described again Vib. 21 is arranged at this device, it can be arranged at these display unit 4 bottom surfaces, be arranged between this display unit 4 and this touch control unit 1, perhaps be arranged at this touch control unit 1 end face, and described Vib. 21 can be according to modes such as matrix form arrangement or array arrangements, be arranged in the above-mentioned device unit, in addition, can be identical size or different size between the described Vib. 21, and on the face shaping optional from rectangle, circle, parallelogram, rhombus, rectangle, square, hexagonal, geometric configuration that polygon is formed one of them.
This display unit 4 is in order to show a default touch-control picture, and can be cathode-ray tube (CRT) (Cathode Ray Tube, CRT) display, LCD (Liquid Crystal Display, LCD), twisted nematic (Twisted Nematic, TN) LCD, vertical orientation type (Vertical Alignment, VA) LCD, many quadrants vertical orientation type (Multi-domain Vertical Alignment, MVA) LCD, the vertical adjusting type of image (Patterned Vertical Alignment, PVA) LCD, transverse electric field switches (In-Plane Switching, IPS) LCD, the fireworks shape is arranged (Continuous Pinwheel Alignment continuously, CPA) LCD, optical compensation curved arrange type (Optical Compensated Bend, OCB) LCD, Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display, active-matrix formula organic electric-excitation luminescent (Aactive Matrix Organic LightEmitting Diode, AMOLED) display, passive matrix type organic electric-excitation luminescent (Passive Matrix Organic Light Emitting Diode, PMOLED) display, vacuum fluorescent display (Vacuum Fluorescent Display, VFD), plasma display panel (Plasma Display Panel, PDP), surface conductive electronics emission (Surface conduction electron-emitter, SED) display or Field Emission Display (Field Emission Display, FED) or Electronic Paper (E-Paper) one of them.
This CPU (central processing unit) 3 electrically connects, and receives this movement locus with this display unit 4, this touch control unit 1; This CPU (central processing unit) 3 also electrically connects with this vibratory drive element 22 of this vibration unit 2 simultaneously.
In addition, above-mentioned this touch-control driving element 11 and this vibratory drive element 22 of mentioning, the kenel of its actual enforcement, be the integrated circuit form that electrically connects with this CPU (central processing unit) 3, or be the form of firmware of burning in this CPU (central processing unit) 3, or be to read the form of software of union, or be the electronic circuit form that main passive device is formed for this CPU (central processing unit) 3.
When this touch-control body carries out touch-control on this contact panel 12 of this touch control unit 1, this touch-control driving element 11 calculates or writes down the movement locus of this touch-control body, and this movement locus can be continuous moving or the moving separately etc. of multiple spot in the contact (touching simultaneously as a plurality of fingers), single-point of contact (as pointer or finger single-point contact), the multiple spot of single-point;
Then this CPU (central processing unit) 3 receives this movement locus, and find out corresponding described Vib. 21 according to this movement locus, and make this vibratory drive element 22 drive described Vib. 21 generation vibrations, when for example this movement locus is the single-point contact, this touch-control driving element 11 is found out the position of this contact point, produce this movement locus (single-point does not move) and be transferred to this CPU (central processing unit) 3, then this CPU (central processing unit) 3 is according to the position of this touch point, find out and corresponding this Vib. 21 in this position, then, making this vibratory drive element 22 drive this Vib. 21 vibrates, at this moment, this contact panel 12 just can form the haptic feedback (or claiming the touch-control feedback) of regional area on the position of this touch point, because corresponding single these Vib. 21 vibrations of single touch point, and other this Vib. 21 will can not produce vibration.
Moreover, this touch-control body is touching this contact panel 12, and after producing the haptic feedback of above-mentioned regional area, this touch-control body is if continue on this contact panel 12 when mobile, this touch-control driving element 11 is with this movement locus of continuous generation, and find out relative required described Vib. 21 in regular turn with this movement locus by CPU (central processing unit) 3, vibrate and make this vibratory drive element 2 drive this Vib. 21 in regular turn.
Again in said process, this touch-control body leaves position originally, no matter be moving of this contact panel 12 of contact, perhaps away from this contact panel 12, then the described Vib. 21 in vibration will stop vibration originally, perhaps, this touch-control body is in the process that moves, and described Vib. 21 can be according to the distance of touch-control body, change the size of vibration power, when this touch-control body is far away more apart from this Vib. 21 in the vibration, the vibration power of generation will diminish gradually, otherwise then become big gradually; Therefore, described Vib. 21 can produce different vibrating effects according to user, the person of producing in the demand of reality use.
See also Fig. 2, Fig. 6, shown in Figure 7, be calcspar two, process flow diagram and the action synoptic diagram of preferred embodiment of the present invention, as shown in the figure, the contact panel of array haptic feedback of the present invention is for to carry out haptic feedback according to the following step:
(100) this touch-control body carries out the touch-control action in touch control unit;
(101) this touch control unit writes down this movement locus and is sent to this CPU (central processing unit);
When above-mentioned steps is carried out, this touch-control body carries out touch-control on this contact panel 12 of this touch control unit 1, this touch-control driving element 11 calculates or writes down the movement locus of this touch-control body, then when this touch-control body is single (many) somes touch-control, this touch-control driving element 11 produces the movement locus of single (many) somes contact, perhaps this touch-control body is the contact of single (many) points and continues when mobile, and this touch-control driving element 11 produces the continuous mobile movement locus of single (many) points.
(102) this CPU (central processing unit) calculate this movement locus the described Vib. of process;
(103) this vibration unit drives described Vib. and produces vibration in this touch-control body contact back.
When above-mentioned steps was carried out, this CPU (central processing unit) 3 received this movement locus, and finds out corresponding described Vib. 21 according to this movement locus, and made this vibratory drive element 22 drive described Vib. 21 generation vibrations.
In addition, write down this movement locus and be sent in the step of this CPU (central processing unit) in above-mentioned (101) this touch control unit, it also comprises the following step:
(104) to calculate this movement locus be to leave corresponding described Vib. to this CPU (central processing unit);
(105) this vibration unit stops the vibration of described Vib. after this touch-control body leaves corresponding described Vib..
When above-mentioned steps is carried out, this touch-control body leaves position originally, no matter be moving of this contact panel 12 of contact, perhaps away from this contact panel 12, then this touch-control driving element 11 is transferred to this CPU (central processing unit) 3 with this movement locus of above-mentioned change in location, then this CPU (central processing unit) 3 makes this vibratory drive element 22 actions, and making originally, the described Vib. 21 in vibration stops vibration.
Comprehensive above-mentioned steps result, can know and learn, described Vib. 21 is in the mode of array or matrix form, be arranged at after this device, see through those steps of this touch-control driving element 11, this CPU (central processing unit) 3 and this vibratory drive element 22, in the time of can reaching this touch-control body contact, only the position (or may be interpreted as the position that this touch-control body touches this contact panel 12) by touch point produces vibration, and the described Vib. 21 of other positions will can not produce action.
Moreover, above-mentionedly illustrated that described Vib. 21 of the present invention contacts with this touch-control body and vibrative process, and, when the present invention uses in reality, more can have following vibrating effect in order to promote the variability of touch-control vibration:
Path type vibration: when this touch-control body touches this contact panel 12, this Vib. 21 of first contact position can produce vibration, simultaneously, this touch-control body begins to move in this contact panel 12, promptly this touch-control body continues this contact panel 12 of contact, and it is mobile continuously in the surface of this contact panel 12, at this moment, the pairing described Vib. 21 in this touch-control displacement body path will produce vibration, for example, the displacement path of this touch-control body is an English alphabet L type, and then pairing described Vib. 21 will produce vibration under this L shaped path.
Varying type vibration: when this touch-control body touches this contact panel 12, this Vib. 21 is except beginning to produce the vibration, and by the time and the pressure size of the touch-control driving element 11 sensing touch-controls of this contact panel 12 contact, change and produce corresponding vibration, for example, the pressure after the contact is big more, and then Zhen Dong number of times or strength can increase gradually, reach that to notify the user to contact power excessive, and avoid excessive pressure to cause damage; Or duration of contact is long more, and then Zhen Dong number of times or strength can increase gradually, reduce; Or according to the variation of the touch-control signal value of touch-control body, the signal size of the touch sensing element capacitance (or current value) detecting, calculate or store for example, and the number of times or the strength of increase or minimizing vibration, then can corresponding different application or touch-control formula, produce the effect of various haptic feedback.
See also Fig. 2, shown in Figure 8, calcspar two for preferred embodiment of the present invention, the stereographic map of a preferred embodiment again, as shown in the figure, more obvious for the vibration that makes the touch-control feedback, the described Vib. 21 of this vibration unit 2 can be arranged between this touch control unit 1 and this display unit 4, if naked eyes can see directly that these display unit 4 shown pictures define, then stacking order is: be described Vib. 21 under this contact panel 12, under described Vib. 21 is this display unit 4.
Therefore, in order to make these display unit 4 shown pictures be passed described Vib. 21, described Vib. 21 is made with the material of light-permeable, for example: made in conjunction with conductive material with the light-permeable plastic material, it mainly is provided with this conductive material in the surface of plastic material (plastic plate or sheet or the like), perhaps directly inserts and forms the plastic cement conductive material in the plastic material; In the present embodiment, this plastic material is for being selected from fluoro containing polymers polymkeric substance (FlourinePolymer), fluorinated ethylene propylene (Flourine Ethylene Propylene, FEP), teflon (PolyTetraFluoroEthylene, PTFE), Kynoar (Polyvinylidene Fluoride, PVDF), silica gel (Silicone), silicon nitride (Si3N4), Teflon (Telflon), photoresistance (Polyimide Photo Resist), resin, plastic cement, polyethylene terephthalate (Polyethylenet Erephthalate, PET), polyamide (Polyamide, PA), polycarbonate (Poly Carbonate, PC), tygon (polyethylene, PE), Polyvinylchloride (Poly Vinyl Chloride, PVC), polypropylene (Poly Propylene, PP), polystyrene (Poly Styrene, PS), polymethylmethacrylate (Polymethylmethacrylate, PMMA) or with the plastic polymer of its potpourri one of them.
And this type of makes plastic cement have the conductive material of satisfactory electrical conductivity, mainly can divide into P-type conduction material and N type conductive material two big classes, N type conductive material can be again to be selected from and mixes the group that oxide (Impurity-DopedOxides), binary compound (Binary Compounds) or ternary compound (Ternary Compounds) are formed, wherein;
Mix oxide (Impurity-Doped Oxides) for being selected from tin indium oxide (Indium Tin Oxide, ITO), indium zinc oxide (Indium Zinc Oxide, IZO), zinc oxide aluminum (Al-doped ZnO, AZO) or tin-antiomony oxide (Antimony Tin Oxide, ATO) group that is formed one of them;
Binary compound (Binary Compounds) is for being selected from tin ash mixed oxidization indium (SnO
2+ In
2O
3), zinc paste mixing tin ash (ZnO+SnO
2) or zinc paste mixed oxidization indium (ZnO+In
2O
3) group that formed one of them;
And ternary compound (Ternary Compounds) is for being selected from stannic acid cadmium (Cd
2SnO
4, CdSnO
3), indium acid cadmium (CdIn
2O
4), indium zinc oxide mixes indium acid magnesium (Zn
2In
2O
5+ MgIn
2O
4), indium zinc oxide mixes indium tin composite oxides (Zn
2In
2O
5+ In
4Sn
3O
12, ZnSnO
3+ In
4Sn
3O
12) group that formed one of them.
In addition, the P-type conduction material is the oxide (AMO of the synthetic crystalline network of metallic ion that is selected from positive single order and positive trivalent
2) group that formed one of them, then positive single order metallic ion for the group that is selected from lithium (Li), copper (Cu) or silver (Ag) and formed one of them, and positive trivalent metal ion for the group that is selected from aluminium (Al), gallium (Ga) or indium (In) and formed one of them;
Only propose the common material category of P type (N type) conductive material except above-mentioned, this conductive material also can be conductive conjugated polymer (Conjugated Conductive Plastics), its common kind is for gathering enedioxy thiophene (3 for being selected from, 4-ethylenedioxythiophene, PEDOT), the conductive conjugated polymer group that polyaniline (Poly Aniline) or polypyrrole (Poly Pyrrole) are formed one of them, in addition, above-mentioned polyacetylene (poly Acetylene) is for being included in the group that aliphatics linear conjugated conducting polymer is formed, above-mentioned this polyaniline (Poly Aniline) is included in the group that aromatic series linear conjugate conducting polymer is formed, and above-mentioned polypyrrole (Poly Pyrrole) is included in the group that fragrant heterocycle linear polymer is formed.Because conductive conjugated polymer (Conjugated Conductive Plastics) belongs to electronic conductive polymer.Its characteristics are for existing big pi-electron conjugated system in polymer molecular structure inside, the π valence electron has bigger delocalization character, can be in the inner relative migration of system, therefore when having external electric field, the π valence electron of material internal can produce the electric current of directed flow, presents the electronic conduction phenomenon.The size of its conductivity and the size of conjugated system, dopant states, dopant species and doping level are in close relations.Opposite with metallic conductor, the temperature coefficient of conjugated system conductive plastics is positive, and temperature is high more, and conductive capability is strong more.
Except that above-mentioned P type or N type conductive material, this conductive material also can be CNT (carbon nanotube), CNT is broadly divided into individual layer CNT (Single-walled Carbon Nanotubes, SWNTs) and multi-layer nano carbon pipe (Multi-walled Carbon Nanotubes, MWNTs), wherein the individual layer CNT is according to its structure kenel, can be subdivided into Armchair nanotube again, Zigzag nanotube, three kinds of Chiral nanotube etc., and the embodiment of CNT nesa coating of the present invention system is coated in the plastic rubber substrate surface uniformly with the CNT dispersion liquid, will follow composition with filling mode more afterwards and fill up in the middle of CNT disperses the space at networking; Or utilize following layer (adhesion layer) that CNT is coated with (spray/dipping) in substrate surface.
Therefore, conductive material of the present invention is not limited to those above-mentioned conductive material kinds, makes plastic material have the material of conductive characteristic such as, should all be contained in this category.
See also shown in Figure 9, stereographic map for the another preferred embodiment of the present invention, as shown in the figure, present embodiment is compared to earlier figures 3, the difference of Fig. 4 is, described Vib. 21 is except previous embodiment is set to square, further can be set to hexangle type or polygon etc., setting by difform described Vib. 21, can produce different vibration areas, for example, when aforementioned these contact panel 12 shown touch areas are polygon, described Vib. 21 by polygon row, this touch area can be covered by described Vib. 21 fully, and the then vibrations that produced when touch-control will can not exceed the scope of this touch area.
Described Vib. 21 by other shapes is provided with, the present invention can be incorporated on the difform electronic product, for example be applied to difform electronic installation, as the arc display of circular displays, multiangular display, rich also table etc., with real example more, vibratile area is more extended to each corner of contact panel, effectively increase vibration area.
The above description of this invention is illustrative, and nonrestrictive, and those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall within the scope of protection of the present invention all.
Claims (32)
1. the contact panel of an array haptic feedback is characterized in that, comprising:
One touch control unit, it changes in order to write down the movement locus of a default touch-control body when the touch-control;
One CPU (central processing unit), itself and this touch control unit electrically connects, and receives this movement locus;
One vibration unit, for having the Vib. of a plurality of slimmings, and the described Vib. that this vibration unit drives on this movement locus produces vibration;
One display unit, it is in order to show a default touch-control picture.
2. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, this touch control unit is to have one to carry out the contact panel of touch-control for this touch-control body, and a touch-control driving element in order to this movement locus of calculating this touch-control body.
3. the contact panel of array haptic feedback as claimed in claim 2 is characterized in that, this touch-control driving element is this movement locus of calculating single-point touch or this movement locus of multi-point touch.
4. the contact panel of array haptic feedback as claimed in claim 2 is characterized in that, this contact panel be electric resistance touch-control panel, capacitance type touch-control panel, infrared-type touch panel, optical touch control panel or ultrasonic formula contact panel one of them.
5. the contact panel of array haptic feedback as claimed in claim 2, it is characterized in that, this touch-control driving element is the integrated circuit form that electrically connects with this CPU (central processing unit), or be the form of firmware of burning in this CPU (central processing unit), or be to read the form of software of union for this CPU (central processing unit), or can be the electronic circuit form that main passive device is formed.
6. the contact panel of array haptic feedback as claimed in claim 1, it is characterized in that this display unit is a cathode-ray tube display, LCD, Twisted Nematic LCD, vertical alignment type liquid crystal display device, many quadrants vertical alignment type liquid crystal display device, the vertical adjusting type LCD of image, the transverse electric field switching liquid crystal display, the fireworks shape is arranged LCD continuously, optical compensation curved arranged LCD, organic light emitting diode display, active-matrix formula organic electro-luminescent display, the passive matrix type organic electro-luminescent display, vacuum fluorescent display, plasma display panel, surface-conduction-electron emission display or Field Emission Display or Electronic Paper one of them.
7. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, the described Vib. of this vibration unit is for being arranged at this display unit bottom surface, and then this touch control unit is for being arranged at this display unit end face.
8. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, the described Vib. of this vibration unit is for being arranged between this display unit and this touch control unit.
9. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, the described Vib. of this vibration unit is for being arranged at this touch control unit end face, and then this touch control unit is for being arranged at this display unit end face.
10. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, the described Vib. of this vibration unit is that a plastic material of light-permeable is made in conjunction with a conductive material.
11. the contact panel of array haptic feedback as claimed in claim 10 is characterized in that, this conductive material be selected from mix the N type conductive plastic film that oxide, binary compound or ternary compound form group one of them.
12. the contact panel of array haptic feedback as claimed in claim 11 is characterized in that, this conductive material be selected from the group of mixing oxide that tin indium oxide, indium zinc oxide, zinc oxide aluminum or tin-antiomony oxide form one of them.
13. the contact panel of array haptic feedback as claimed in claim 11, it is characterized in that, this conductive material be selected from the binary compound that tin ash mixed oxidization indium, zinc paste mixing tin ash or zinc paste mixed oxidization indium formed group one of them.
14. the contact panel of array haptic feedback as claimed in claim 11, it is characterized in that, this conductive material be selected from stannic acid cadmium, indium acid cadmium, indium zinc oxide mix indium acid magnesium, indium zinc oxide mix the ternary compound that indium tin composite oxides are formed group one of them.
15. the contact panel of array haptic feedback as claimed in claim 10 is characterized in that, the group of the P-type conduction plastic film that this conductive material is formed by the oxide of the synthetic crystalline network of metallic ion that is selected from positive single order and positive trivalent one of them.
16. the contact panel of array haptic feedback as claimed in claim 15 is characterized in that, this positive single order metallic ion be selected from group that lithium, copper or silver formed one of them.
17. the contact panel of array haptic feedback as claimed in claim 15 is characterized in that, this positive trivalent metal ion be selected from group that aluminium, gallium or indium form one of them.
18. the contact panel as claim 10 a described array haptic feedback is characterized in that, this conductive material be selected from conductive conjugated polymer group that poly-enedioxy thiophene, polyaniline or polypyrrole form one of them.
19. the contact panel of array haptic feedback as claimed in claim 18 is characterized in that, this conductive material is to be selected from the group that aliphatics linear conjugated conducting polymer that polyacetylene forms is formed.
20. the contact panel of array haptic feedback as claimed in claim 18 is characterized in that, this conductive material is to be selected from the group that aromatic series linear conjugate conducting polymer that polyaniline forms is formed.
21. the contact panel of array haptic feedback as claimed in claim 18 is characterized in that, this conductive material is to be selected from the group that fragrant heterocycle linear polymer that polypyrrole forms is formed.
22. the contact panel of array haptic feedback as claimed in claim 10 is characterized in that, this conductive material is a CNT.
23. the contact panel of array haptic feedback as claimed in claim 22 is characterized in that, this CNT be selected from individual layer CNT or multi-layer nano carbon pipe one of them.
24. the contact panel of array haptic feedback as claimed in claim 10, it is characterized in that, this plastic material be selected from fluoro containing polymers polymkeric substance, fluorinated ethylene propylene, teflon, Kynoar, silica gel, silicon nitride, Teflon, photoresistance, resin, plastic cement, polyethylene terephthalate, polyamide, polycarbonate, tygon, Polyvinylchloride, polypropylene, polystyrene, polymethylmethacrylate or with the plastic polymer of its potpourri one of them.
25. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, the described Vib. of this vibration unit be selected from piezo-activator, piezo-electric motor, ultrasonic motor, electret or relevant slimming Vib. one of them.
26. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, the described Vib. of this vibration unit is that matrix form is arranged or array is arranged one of them.
27. the contact panel of array haptic feedback as claimed in claim 1, it is characterized in that, the described Vib. of this vibration unit be selected from rectangle, circle, parallelogram, rhombus, rectangle, square, hexagonal, geometric configuration that polygon is formed one of them.
28. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, the described Vib. of this vibration unit is identical size or different size.
29. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, this vibration unit is provided with one again in order to drive the vibratory drive element of described Vib..
30. the contact panel of array haptic feedback as claimed in claim 29, it is characterized in that, this vibratory drive element is the integrated circuit form that electrically connects with this CPU (central processing unit), or be the form of firmware of burning in this CPU (central processing unit), or be to read the form of software of union for this CPU (central processing unit), or can be the electronic circuit form that main passive device is formed.
31. the contact panel of array haptic feedback as claimed in claim 1 is characterized in that, should
Contact panel is for carrying out haptic feedback according to this following step:
This touch-control body carries out the touch-control action in touch control unit;
This touch control unit writes down this movement locus and is sent to this CPU (central processing unit);
This CPU (central processing unit) calculate this movement locus the described Vib. of process;
This vibration unit drives described Vib. and produces vibration in this touch-control body contact back.
32. the contact panel of array haptic feedback as claimed in claim 31 is characterized in that, this CPU (central processing unit) calculate this movement locus in the step of described Vib. of process, more comprise the following steps:
It is to leave corresponding described Vib. that this CPU (central processing unit) is calculated this movement locus;
This vibration unit stops the vibration of described Vib. after this touch-control body leaves corresponding described Vib..
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CN2009101610653A CN101989139A (en) | 2009-08-07 | 2009-08-07 | Array type touch panel with touch feedbacks |
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CN2009101610653A CN101989139A (en) | 2009-08-07 | 2009-08-07 | Array type touch panel with touch feedbacks |
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Application publication date: 20110323 |