CN104345934A - Piezoelectric type touch panel - Google Patents
Piezoelectric type touch panel Download PDFInfo
- Publication number
- CN104345934A CN104345934A CN201310325954.5A CN201310325954A CN104345934A CN 104345934 A CN104345934 A CN 104345934A CN 201310325954 A CN201310325954 A CN 201310325954A CN 104345934 A CN104345934 A CN 104345934A
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- Prior art keywords
- piezoelectric
- type contact
- contact panel
- piezoelectric type
- layer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides a piezoelectric type touch panel. The piezoelectric type touch panel comprises a plurality of piezoelectric induction units and a plurality of signal wires. The piezoelectric induction units are arranged on one side of a substrate. Each piezoelectric induction unit comprises a grounding layer, a signal layer and a piezoelectric material layer, wherein the piezoelectric material layer is arranged between the grounding layer and the signal layer, is electrically connected with the grounding layer and the signal layer and is made of a solid solution formed by doping 3d transition metal into zinc oxide. The signal wires are electrically connected with the signal layers of the piezoelectric induction units respectively.
Description
Technical field
The present invention relates to contact panel, and relate to piezoelectric type contact panel especially.
Background technology
On market for the requirement of the size of electronic product towards compact future development, therefore many electronic products, such as mobile phone, personal digital assistant and global position system, bamboo product can not occupy the keyboard input devices of large quantity space, but touch input equipment is integrated in each electronic product.
Can support that the contact panel of multi-point touch is at present take capacitance type touch-control panel as main flow.But, capacitance type touch-control panel detect be contact panel two axial sensing electrodes between electric capacity, or the electric capacity of two of contact panel axial sensing electrodes respectively and between earth terminal, by before and after touching object (as finger) impact the capacitance change that produces.Therefore touching object must be that conductor could affect electric capacity, if touching object is insulator, then contact panel cannot detect the position touched.
Therefore, develop and a kind ofly can not support that the contact panel technology of multi-point touch is the place that present value obtains in addition research and development by the restriction of touching object type.
Summary of the invention
For solving the problem, making a kind of contact panel and reaching and can detect the object that dissimilar touching object can realize again multi-point touch.The invention provides a kind of piezoelectric type contact panel, comprising: multiple piezoelectricity sensing unit, is configured at the side of a substrate, each piezoelectricity sensing unit comprises: a ground plane; One signal layer; One piezoelectric material layer, be configured between this ground plane and this signal layer, and be electrically connected ground plane and signal layer, wherein the material of this piezoelectric material layer comprises the solid solution formed with a 3d state transition metal doping zinc oxide; And many Communication signal wires, be electrically connected this signal layer of piezoelectricity sensing unit respectively.
Contact panel provided by the invention, adopts piezoelectric to make sensing unit, utilizes the multiple piezoelectricity sensing unit direct sensing external pressure deformation on substrate, judges to press position, to touching object indefinite, and can realize multi-point touch.In addition, because mechanical deformation can be converted into electric signal by piezoelectric, do not need extra driving voltage just can detect information on contact panel, make contact panel of the present invention have the feature of low energy consumption simultaneously; The piezoelectric adopted comprises the solid solution formed with a 3d state transition metal doping zinc oxide, has larger internal resistance, makes contact panel of the present invention react sensitiveer.
Accompanying drawing explanation
Figure 1A illustrates the top view of the piezoelectric type contact panel of one embodiment of the invention.
Figure 1B illustrates the sectional view of piezoelectric type contact panel along I-I ' line segment of Figure 1A.
Fig. 2 A illustrates the top view of the piezoelectric type contact panel of one embodiment of the invention.
Fig. 2 B illustrates the sectional view of piezoelectric type contact panel along I-I ' line segment of Fig. 2 A.
Fig. 3 A illustrates the top view of the piezoelectric type contact panel of one embodiment of the invention.
Fig. 3 B illustrates the sectional view of piezoelectric type contact panel along I-I ' line segment of Fig. 3 A.
Fig. 4 A illustrates the top view of the piezoelectric type contact panel of one embodiment of the invention.
Fig. 4 B illustrates the sectional view of piezoelectric type contact panel along I-I ' line segment of Fig. 4 A.
Embodiment
Below will describe making and the use-pattern of the embodiment of the present invention in detail.So it should be noted, the invention provides many inventive concepts for application, it can multiple specific pattern be implemented.In literary composition the specific embodiment of discussion of illustrating be only the ad hoc fashion manufactured with using the present invention, be not used to the scope limiting the present invention.In addition, label or the sign of repetition may be used in different embodiments.These repeat only clearly to describe the present invention in order to simple, do not represent between the different embodiment discussed and/or structure, there is any association.Moreover, when address one first material layer to be positioned on one second material layer or on time, comprise the first material layer directly contacted or to be separated with one or more other materials layer situation with the second material layer.In the drawings, the shape of embodiment or thickness may expand, to simplify or to highlight its feature.Moreover the assembly not illustrating in figure or describe, can be in art the arbitrary form having and usually know known to the knowledgeable.
System of the present invention provides a kind of piezoelectric type contact panel, its have multiple be configured at the side of substrate piezoelectricity sensing unit and many Communication signal wires being electrically connected these piezoelectricity sensing units respectively, and the material of the piezoelectric material layer of piezoelectricity sensing unit comprises the solid solution formed with 3d state transition metal doping zinc oxide.The present invention effectively improves the resistivity of piezoelectric material layer by the mode of the 3d state transition metal that adulterates in zinc paste, effectively can retain the electric charge produced because of touching piezoelectricity sensing unit by this, and through Communication signal wire by this charge-conduction to controller, to locate accurately touch position.Below piezoelectric material layer of the present invention is applied in by introduction the embodiment in the piezoelectric type contact panel of number of different types.
Figure 1A illustrates the top view of the piezoelectric type contact panel of one embodiment of the invention.Figure 1B illustrates the sectional view of piezoelectric type contact panel along I-I ' line segment of Figure 1A.Referring to Figure 1A and Figure 1B, the contact panel 100 of the present embodiment comprises a substrate 110, multiple piezoelectricity sensing unit 120 and many Communication signal wires 130, wherein substrate 110 can be such as adopt transparent material to make, such as glass substrate, plastic base or film substrate.Substrate 110 has relative first surface 112 and a second surface 114, and wherein in practical application, first surface 112 is the surfaces of the side such as represented away from user, and second surface 114 is then the surface of representative near the side of user.
Piezoelectricity sensing unit 120 is configured at the side of substrate 100, and the present embodiment is the side being such as configured at first surface 112.Subsidiary one carries, and the quantity of piezoelectricity sensing unit 120 designs according to the resolution requirements of reality, there is no limited at this, and the quantity of resolution higher then piezoelectricity sensing unit 120 is more, senses also more accurate.Be separated from one another between each piezoelectricity sensing unit 120 of the present embodiment and be electrically insulated each other, and all piezoelectricity sensing units 120 are that the design of the arrangement in matrix is to be configured on first surface 112.Certainly, the arrangement mode of piezoelectricity sensing unit 120 decides according to actual design, and the present invention there is no and limited.The piezoelectric type contact panel 100 of the present embodiment can comprise an insulation course 140 further, is configured between piezoelectricity sensing unit 120, and these piezoelectricity sensing units 120 are better electrically insulated each other.
Communication signal wire 130 is equally such as configured at the side of the first surface 112 of substrate 110, and the corresponding controller (not illustrating) being electrically connected piezoelectricity sensing unit 120 and being positioned at outside the T of Touch Zone, be used for transmitting the signal between piezoelectricity sensing unit 120 and controller, allow controller that specific algorithm can be utilized to process the sensing signal of piezoelectricity sensing unit 120 to position.
Illustrate for piezoelectricity sensing unit 120 further, each piezoelectricity sensing unit 120 comprises ground plane 122, piezoelectric material layer 124 and a signal layer 126.According to the laminated architecture design of the present embodiment, ground plane 122 is configured on the first surface 112 of substrate 110.Piezoelectric material layer 124 is configured on ground plane 122, and the material of piezoelectric material layer 124 comprises the solid solution formed with a 3d state transition metal doping zinc oxide.Signal layer 126 is configured on piezoelectric material layer 124.In other words, piezoelectric material layer 124 is configured between signal layer 126 and ground plane 122, and be electrically connected signal layer 126 and ground plane 122.Under this framework, aforesaid Communication signal wire 130 is configured on signal layer 126, and described many Communication signal wires 130 are the signal layers 126 being electrically connected multiple piezoelectricity sensing unit 120 respectively, each piezoelectricity sensing unit 120 is allowed to be carry out signal transmission by correspondence Communication signal wire 130.Certainly, Communication signal wire 130 can be then on the surface of the insulation course 140 be configured between piezoelectricity sensing unit 120 in the part of cabling layout.
In addition, in the present embodiment, piezoelectric type contactor control device 100 more comprises an earth lead layer 170, be used for being electrically connected ground plane 122, and earth lead layer 170 is electrically connected at the earth terminal of controller further, allow ground plane 122 be able to consistent with the ground voltage level of controller, be conducive to controller and judge touch position.Ground plane 122 due to the present embodiment is separated from one another and is electrically insulated each other, and therefore the earth lead layer 170 of the present embodiment can such as comprise many earth leads, is used for being electrically connected each ground plane 122 respectively.More specifically, the earth lead layer 170 of the present embodiment is configured on the first surface 112 of substrate 110, and between piezoelectricity sensing unit 120 and substrate 110, between the earth lead being wherein electrically connected each ground plane 122 in correspondence except being to be separated from each other, be further reached by another insulation course 180 to be electrically insulated.
In one embodiment, 3d state transition metal comprises chromium, manganese, copper or other transition metal be applicable to.In one embodiment, if 3d state transition metal represents with M, then the chemical formula of solid solution is Zn
1-xm
xo, wherein x=0.0001 ~ 0.05.More specifically, in one embodiment, 3d state transition metal is copper, and the resistivity of piezoelectric material layer 124 is 1*10
4nurse centimetre (Ω * cm) ~ 9.9*10 difficult to understand
4nurse centimetre (Ω * cm) difficult to understand.In another embodiment, 3d state transition metal is manganese, and the resistivity of piezoelectric material layer 124 is 1*10
5nurse centimetre (Ω * cm) ~ 9.9*10 difficult to understand
5nurse centimetre (Ω * cm) difficult to understand.In another embodiment, 3d state transition metal is chromium, and the resistivity of piezoelectric material layer is 1*10
6nurse centimetre (Ω * cm) ~ 9.9*10 difficult to understand
6nurse centimetre (Ω * cm) difficult to understand.
From above-mentioned experimental data, the piezoelectric material layer 124 of the 3d state transition metal doping zinc oxide designed by the present embodiment has higher resistivity.Therefore, the piezoelectric material layer 124 that the present embodiment has larger internal resistance effectively can retain the electric charge touched and produce, and contributes to piezoelectric type contact panel 100 and carries out dynamic detection.In addition, also because piezoelectric material layer 124 has larger internal resistance, allow touch action terminate after be also comparatively not easy to occur the memory effect of signal, make to cause erroneous judgement because of the overlapping of signal when positioning touch action.
Specifically, 3d state transition metal can replace the Zn of part in zinc paste
2+ion.In the process of doping, the more crystal boundary that the defect due to zinc paste increases and formed, and the easy scattering charge carrier of crystal boundary, therefore, the film made by zinc paste of doping 3d transition metal has higher resistivity.In addition, Zn is replaced
2+the 3d state transition metal of ion can attract and fetters free electron thus reduce carrier concentration, and then promotes resistivity.Moreover 3d state is transient metal doped can be increased the residue oxygen concentration of the peripheral region of crystal grain and then promote resistivity.
From the above, principle due to piezoelectricity sensing unit 120 be directly by mechanical deformation to be converted into electric signal, therefore can not be limited to the type (conductor or nonconductor) of touching object, and also not need extra driving voltage just can detecting touch position, can be effectively energy-conservation.In addition, because each piezoelectricity sensing unit 120 has independent corresponding Communication signal wire 130 to carry out transmission of signal, therefore can carry out addressing to each piezoelectricity sensing unit 120, reach the function of multi-point touch.
In one embodiment, signal layer 126 and ground plane 122 are respectively a transparency conducting layer, and piezoelectric material layer 124 is a transparent piezoelectric material layer.Specifically, ground plane 122 and signal layer 126 can be made up of transparent conductive material, such as tin indium oxide (indium tin oxide, ITO), indium zinc oxide (indium zinc oxide, IZO), cadmium tin (cadmium tin oxide, CTO), aluminum zinc oxide (aluminum zinc oxide, AZO), indium oxide zinc-tin (indium tin zinc oxide, ITZO), tin oxide (tin oxide), zinc paste (zinc oxide), cadmium oxide (cadmium oxide), hafnia (hafnium oxide, HfO), indium oxide gallium zinc (indium gallium zinc oxide, InGaZnO), indium oxide gallium zinc-magnesium (indium gallium zinc magnesium oxide, InGaZnMgO), indium oxide gallium magnesium (indium gallium magnesium oxide, InGaMgO), indium oxide gallium aluminium (indium gallium aluminum oxide, InGaAlO), carbon nanotube (Carbon Nano Tube, CNT), silver carbon nanotube or copper carbon nanotube etc., or other electrically conducting transparent materials and metal or nonmetallic complex.
In one embodiment, the material of Communication signal wire 130 can be transparent conductive material or opaque conductive material, transparent conductive material is such as aforementioned ground plane 122 and the spendable material of signal layer 126, and opaque conductive material is such as silver, gold, carbon nanotube.Communication signal wire 130 can be how meter level or the plain conductor of micron order width.In addition, in the present embodiment, piezoelectric type contact panel 400 more comprises an earth lead layer 170, be used for being electrically connected ground plane 122, and earth lead layer 170 is electrically connected at the earth terminal of controller further, allow ground plane 122 be able to consistent with the ground voltage level of controller, be conducive to controller and judge touch position.Ground plane 122 due to the present embodiment is separated from one another and is electrically insulated each other, and therefore the earth lead layer 170 of the present embodiment can such as comprise many earth leads, is used for being electrically connected each ground plane 122 respectively.More specifically, the earth lead layer 170 of the present embodiment is configured on the first surface 112 of substrate 110, and between piezoelectricity sensing unit 120 and substrate 110, between the earth lead being wherein electrically connected each ground plane 122 in correspondence except being to be separated from each other, be further reached by another insulation course 180 to be electrically insulated.
In one embodiment, contact panel 100 more can comprise an anti-reflection film 150.The piezoelectric material layer 124 of at least corresponding piezoelectricity sensing unit 120 of anti-reflection film 150 is configured at the surface of substrate 110, and the present embodiment is such as configured on the second surface 114 of substrate 110 by anti-reflection film 150.In one embodiment, the area of anti-reflection film 150 is same as the area that correspondence is positioned at the piezoelectric material layer 124 directly over it.Anti-reflection film 150 can increase transmittance, to make up the transmittance because piezoelectric material layer 124 reduces.The material of anti-reflection film 150 comprise magnesium fluoride (MgF2), titanium dioxide (TiO2), vulcanized lead (PbS), lead selenide (PbSe), calcium dioxide (SiO2) and niobium pentaoxide (Nb2O5) at least one of them.Certainly, in a further embodiment, anti-reflection film 150 is also configurable in first surface 112 and between substrate 110 and piezoelectricity sensing unit 120, at this not by the present embodiment is limited.In addition, anti-reflection film 150 also can adopt the surface that a continuous film attitude sample is covered in substrate 110 comprehensively, is used for mating the refractive index difference produced because material is different between piezoelectricity sensing unit 120 and insulation course 140.
What remark additionally is, by the laminated framework of Figure 1B, piezoelectricity sensing unit 120 is sequentially the laminated aspect of earth lead layer 170, ground plane 122, piezoelectric material layer 124 and signal layer 126 from the first surface 112 of substrate 110, and Communication signal wire 130 is configured on signal layer 126 again.But, in actual design, the laminated aspect of piezoelectricity sensing unit 120 also can be contrary with the present embodiment, sequentially signal layer 126, piezoelectric material layer 124 and ground plane 122, earth lead layer 170 from the first surface 112 of substrate 110, and Communication signal wire 130 is configured between substrate 110 and signal layer 126, this laminated aspect is not by the present invention is limited.
Although the piezoelectricity sensing unit 120 that Figure 1A illustrates is square, be not limited thereto, in other embodiments, piezoelectricity sensing unit 120 also can rounded or other shapes be applicable to.
Fig. 2 A illustrates the top view of the piezoelectric type contact panel of one embodiment of the invention.Fig. 2 B illustrates the sectional view of piezoelectric type contact panel along I-I ' line segment of Fig. 2 A.Referring to Fig. 2 A and Fig. 2 B, the piezoelectric type contact panel 200 of the present embodiment is similar in appearance to Figure 1A and Figure 1B shownschematically piezoelectric type contact panel 100, both are that the piezoelectric material layer 124 of all piezoelectricity sensing units 120 of the piezoelectric type contact panel 200 of the present embodiment is electrical connected each other at difference part, and be electrically insulated by insulation course 140 between the signal layer 126 of all piezoelectricity sensing units 120, and be electrically insulated by another insulation course 160 between ground plane 122.
Fig. 3 A illustrates the top view of the piezoelectric type contact panel of one embodiment of the invention.Fig. 3 B illustrates the sectional view of piezoelectric type contact panel along I-I ' line segment of Fig. 3 A.Referring to Fig. 3 A and Fig. 3 B, the piezoelectric type contact panel 300 of the present embodiment is similar in appearance to Figure 1A and Figure 1B shownschematically piezoelectric type contact panel 100, and both difference parts are that the ground plane 122 of all piezoelectricity sensing units 120 of the piezoelectric type contact panel 300 of the present embodiment is the aspect being electrical connected to be formed stratum altogether each other.This ground plane 122 is electrically connected at the earth terminal of controller by an earth lead layer, allows ground plane 122 be able to consistent with the ground voltage level of controller, is conducive to controller and judges touch position.Ground plane 122 due to all piezoelectricity sensing units 120 of the present embodiment is the aspects being electrical connected into stratum altogether, and therefore earth lead layer can be designed to an earth lead, is overlapped in the periphery on common stratum, does not thus draw in the drawings.
Fig. 4 A illustrates the top view of the piezoelectric type contact panel of one embodiment of the invention.Fig. 4 B illustrates the sectional view of piezoelectric type contact panel along I-I ' line segment of Fig. 4 A.Referring to Fig. 4 A and Fig. 4 B, the piezoelectric type contact panel 400 of the present embodiment is similar in appearance to Fig. 3 A and Fig. 3 B shownschematically piezoelectric type contact panel 100, and both difference parts are that the piezoelectric material layer 124 of all piezoelectricity sensing units 120 of the piezoelectric type contact panel 300 of the present embodiment is be electrical connected each other.In other words, the present embodiment is configured at the insulation course 140 between piezoelectricity sensing unit 120 is only the signal layer 126 that is electrically insulated.Because the material of piezoelectric material layer 124 used in the present invention has larger internal resistance, therefore when the piezoelectric material layer 124 of all piezoelectricity sensing units 120 be electrical connected to form the design of continuous rete time, the signal produced between different piezoelectricity sensing unit 120 also can not influence each other.
In addition, because anti-reflection film 150 at least needs arrange corresponding with the piezoelectric material layer 124 of each piezoelectricity sensing unit 120, therefore, the anti-reflection film 150 of the present embodiment is all piezoelectric material layers 124 of being electrical connected of correspondence and is designed to a continuous rete.
By this, because the present invention adopts the solid solution formed using 3d state transition metal doping zinc oxide as piezoelectric material layer, therefore effectively can promote the resistivity of piezoelectric material layer, and then effectively retain the electric charge produced because touching piezoelectricity sensing unit, and through Communication signal wire by this charge-conduction to controller to locate accurately touch position.Moreover the piezoelectric material layer of the present invention not easily occurs memory effect, therefore, touch position can be oriented more accurately.
In sum, the piezoelectric type contact panel of the present invention can not be limited to the type of touching object, and do not need extra driving voltage just can detecting touch position yet, directly mechanical deformation is converted into electrical signal transfer to controller by each piezoelectricity sensing unit, and then directly judge the touch position of user, therefore the piezoelectric type contact panel of the present invention can be effectively energy-conservation.Moreover piezoelectricity sensing unit of the present invention is to influence each other on sensing, and carry out by each self-corresponding Communication signal wire thus transmission of signal to support multi-point touch function to controller.
Though the present invention discloses as above with preferred embodiment; so itself and be not used to limit scope of the present invention; have in any art and usually know the knowledgeable; without departing from the spirit and scope of the invention; when doing a little change and retouching, the protection domain of therefore the present invention when depending on after the attached claim person of defining be as the criterion.
Claims (13)
1. a piezoelectric type contact panel, comprising:
Multiple piezoelectricity sensing unit, is configured at the side of a substrate, and respectively this piezoelectricity sensing unit comprises:
One ground plane;
One signal layer; And
One piezoelectric material layer, is configured between this ground plane and this signal layer, and is electrically connected this ground plane and this signal layer, and wherein the material of this piezoelectric material layer comprises the solid solution formed with a 3d state transition metal doping zinc oxide; And
Many Communication signal wires, are electrically connected this signal layer of those piezoelectricity sensing units respectively.
2. piezoelectric type contact panel as claimed in claim 1, wherein this 3d state transition metal comprises chromium, manganese or copper.
3. piezoelectric type contact panel as claimed in claim 1, if wherein this 3d state transition metal represents with M, then the chemical formula of this solid solution is Zn
1-xm
xo, wherein x=0.0001 ~ 0.05.
4. piezoelectric type contact panel as claimed in claim 1, wherein this 3d state transition metal is copper, and the resistivity of this piezoelectric material layer is 1*10
4nurse centimetre (Ω * cm) ~ 9.9*10 difficult to understand
4nurse centimetre (Ω * cm) difficult to understand.
5. piezoelectric type contact panel as claimed in claim 1, wherein this 3d state transition metal is manganese, and the resistivity of this piezoelectric material layer is 1*10
5nurse centimetre (Ω * cm) ~ 9.9*10 difficult to understand
5nurse centimetre (Ω * cm) difficult to understand.
6. piezoelectric type contact panel as claimed in claim 1, wherein this 3d state transition metal is chromium, and the resistivity of this piezoelectric material layer is 1*10
6nurse centimetre (Ω * cm) ~ 9.9*10 difficult to understand
6nurse centimetre (Ω * cm) difficult to understand.
7. piezoelectric type contact panel as claimed in claim 1, wherein these piezoelectric series of strata of those piezoelectricity sensing units are electrical connected each other.
8. the piezoelectric type contact panel as described in claim 1 or 7, wherein these ground connection series of strata of those piezoelectricity sensing units are electrical connected to be formed stratum altogether each other.
9. piezoelectric type contact panel as claimed in claim 1, wherein those voltage inductances are answered unary system separated from one another and are electrically insulated each other.
10. piezoelectric type contact panel as claimed in claim 9, wherein those voltage inductances answer unary system to be matrix arrangement.
11. piezoelectric type contact panels as claimed in claim 1, more comprise:
One earth lead layer, is electrically connected this ground plane of those piezoelectricity sensing units.
12. piezoelectric type contact panels as claimed in claim 1, wherein this signal layer and this ground plane are respectively a transparency conducting layer.
13. piezoelectric type contactor control devices as claimed in claim 1, more comprise:
One anti-reflection film, the piezoelectric material layer of those piezoelectricity sensing units at least corresponding is configured at a surface of this substrate.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325954.5A CN104345934A (en) | 2013-07-30 | 2013-07-30 | Piezoelectric type touch panel |
| TW103118358A TWI562031B (en) | 2013-07-30 | 2014-05-27 | Piezoelectric touch panel |
| TW103209253U TWM490054U (en) | 2013-07-30 | 2014-05-27 | Piezoelectric touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325954.5A CN104345934A (en) | 2013-07-30 | 2013-07-30 | Piezoelectric type touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104345934A true CN104345934A (en) | 2015-02-11 |
Family
ID=52501731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310325954.5A Pending CN104345934A (en) | 2013-07-30 | 2013-07-30 | Piezoelectric type touch panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104345934A (en) |
| TW (2) | TWI562031B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100070A (en) * | 2018-09-27 | 2018-12-28 | 中国科学院深圳先进技术研究院 | A kind of sensor and the method for detecting haptic signal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345934A (en) * | 2013-07-30 | 2015-02-11 | 宸鸿科技(厦门)有限公司 | Piezoelectric type touch panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1994893A (en) * | 2006-12-22 | 2007-07-11 | 北京科技大学 | Process for preparing copper doped zinc oxide nanoline |
| CN101274849A (en) * | 2007-03-27 | 2008-10-01 | Tdk株式会社 | Piezoelectric ceramic composition |
| TWM452385U (en) * | 2012-06-18 | 2013-05-01 | Tpk Touch Solutions Xiamen Inc | Touch device |
| CN203376710U (en) * | 2013-07-30 | 2014-01-01 | 宸鸿科技(厦门)有限公司 | Piezoelectric type touch panel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4108633B2 (en) * | 2003-06-20 | 2008-06-25 | シャープ株式会社 | THIN FILM TRANSISTOR, MANUFACTURING METHOD THEREOF, AND ELECTRONIC DEVICE |
| KR101482702B1 (en) * | 2008-07-16 | 2015-01-15 | 삼성전자주식회사 | Non-contact touch panel using nanowire |
| CN104345934A (en) * | 2013-07-30 | 2015-02-11 | 宸鸿科技(厦门)有限公司 | Piezoelectric type touch panel |
-
2013
- 2013-07-30 CN CN201310325954.5A patent/CN104345934A/en active Pending
-
2014
- 2014-05-27 TW TW103118358A patent/TWI562031B/en not_active IP Right Cessation
- 2014-05-27 TW TW103209253U patent/TWM490054U/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1994893A (en) * | 2006-12-22 | 2007-07-11 | 北京科技大学 | Process for preparing copper doped zinc oxide nanoline |
| CN101274849A (en) * | 2007-03-27 | 2008-10-01 | Tdk株式会社 | Piezoelectric ceramic composition |
| TWM452385U (en) * | 2012-06-18 | 2013-05-01 | Tpk Touch Solutions Xiamen Inc | Touch device |
| CN203376710U (en) * | 2013-07-30 | 2014-01-01 | 宸鸿科技(厦门)有限公司 | Piezoelectric type touch panel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100070A (en) * | 2018-09-27 | 2018-12-28 | 中国科学院深圳先进技术研究院 | A kind of sensor and the method for detecting haptic signal |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM490054U (en) | 2014-11-11 |
| TW201504894A (en) | 2015-02-01 |
| TWI562031B (en) | 2016-12-11 |
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Application publication date: 20150211 |
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