CN103427820A - Touch press-key device - Google Patents
Touch press-key device Download PDFInfo
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- CN103427820A CN103427820A CN2013103289432A CN201310328943A CN103427820A CN 103427820 A CN103427820 A CN 103427820A CN 2013103289432 A CN2013103289432 A CN 2013103289432A CN 201310328943 A CN201310328943 A CN 201310328943A CN 103427820 A CN103427820 A CN 103427820A
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- latticed groove
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Abstract
A touch press-key device comprises a panel, a first bonding layer, a sensing layer, a first conductive layer, a second conductive layer, a second bonding layer and a display device. The first bonding layer is bonded onto the panel. The sensing layer is provided with a first latticed groove and a second latticed groove which are independent, and the sensing layer is bonded with the panel through the first bonding layer. The first conductive layer is latticed and accommodated in the first latticed groove. The second latticed groove is latticed and accommodated in the second latticed groove, and the display device is bonded with the sensing layer through the second bonding layer. In the touch press-key device, the first latticed groove and the second latticed groove are formed in the sensing layer, and the first conductive layer and the second conductive layer which are latticed are accommodated in the first latticed groove and the second latticed groove respectively, so that the electrical conductivity of the first conductive layer and the second conductive layer is ensured, and the accuracy of the press-key touch operation is improved.
Description
Technical field
The present invention relates to touch input device, particularly relate to a kind of touch button device.
Background technology
The touch key-press technology is as a branch of touch technology, and its purpose is to solve the problems such as that traditional mechanical key input mode exists is easy to wear, the life-span is short.The touch key-press technology is specifically determined the touch location of finger by the minor variations that detects electric charge.Touch-key can be divided into four large classes: resistance-type, condenser type, infrared-type and surface acoustic wave type induced key.
Wherein, capacitive touch key device is not subject to the extraneous factor impacts such as temperature, static, water, dust because of it, and the operating accuracy high substitutes just rapidly traditional key switch user interface.Itself does not need mechanical action, and can make product seal fully, makes design more modern attractive in appearance and durable, and has larger sensitivity, stability, reliability.Compared to mechanical key and resistance-type button, capacitive touch key device is not only durable, cheap, simple in structure, and is easy to install water proof anti-soil.
As the core component that touches input, the transmitance of nesa coating and conductivity have contact closely to the overall performance of transparent touch button device.Yet, in traditional touch button device, the conductivity of its nesa coating is not good, and then reduced the accuracy of button touch operation.
Summary of the invention
Based on this, be necessary to provide a kind of button touch operation accuracy touch button device preferably.
A kind of touch button device comprises:
Panel;
The first bonding coat, fit on described panel;
Sensing layer, offer the first latticed groove and the second latticed groove on it, the described first latticed groove is independent mutually with the described second latticed groove, and described sensing layer fits by described the first bonding coat and described panel;
The first conductive layer, be latticed, and described the first conductive layer is contained in the described first latticed groove;
The second conductive layer, be latticed, and described the second conductive layer is contained in the described second latticed groove;
The second bonding coat, fit on the surface of described sensing layer away from described panel; And
Display unit, described display unit fits by described the second bonding coat and described sensing layer.
In embodiment, described sensing layer comprises two-layer inductive layer therein, and two-layer described inductive layer fits, and described the first conductive layer and described the second conductive layer are opened in respectively on two-layer described inductive layer.
In embodiment, described inductive layer comprises substrate therein, and the described first latticed groove and the described second latticed groove are opened in respectively on the surface of substrate of two-layer described inductive layer.
Therein in embodiment, described inductive layer comprises substrate and hypothallus, described hypothallus is arranged in described substrate, the substrate of two-layer described inductive layer fits by optical cement, and the described first latticed groove and the described second latticed groove are opened in respectively on the surface of hypothallus away from described substrate of two-layer described inductive layer.
Therein in embodiment, described sensing layer comprises inductive layer, described inductive layer comprises first surface and the second surface be oppositely arranged with described first surface, and the described first latticed groove and the described second latticed groove are opened in respectively described first surface and described second surface.
Therein in embodiment, described inductive layer comprises substrate, the first hypothallus and the second hypothallus, described the first hypothallus and described the second hypothallus are arranged at respectively the both sides of described substrate, and the described first latticed groove and the described second latticed groove are opened in respectively on described the first hypothallus and the surface of described the second hypothallus away from described substrate.
Therein in embodiment, described sensing layer comprises inductive layer, described inductive layer comprises substrate and the first hypothallus, described substrate is connected with described the first hypothallus, described the first conductive layer is arranged at described substrate near on the surface of described the first hypothallus, and described the second conductive layer is arranged on the surface of described the first hypothallus away from described substrate.
In embodiment, the described first latticed groove is opened in described substrate near on the surface of described the first hypothallus therein, and the described second latticed groove is opened on the surface of described the first hypothallus away from described substrate.
Therein in embodiment, described inductive layer also comprises the second hypothallus, described the second hypothallus is between described substrate and described the first hypothallus, the described first latticed groove is opened in described the second hypothallus near on the surface of described the first hypothallus, and the described second latticed groove is opened on the surface of described the first hypothallus away from described substrate.
In embodiment, also comprise the lead-in wire electrode therein, described lead-in wire electrode is electrically connected to described sensing layer.
In embodiment, offer the 3rd latticed groove on described sensing layer therein, described lead-in wire electrode is contained in described the 3rd latticed groove.
In embodiment, described lead-in wire electrode is protruding latticed conductor wire or conduction line segment therein.
In embodiment, the described first latticed groove and the described second latticed groove are regular grid or random grid therein.
In above-mentioned touch button device, offer the first latticed groove and the second latticed groove on sensing layer, latticed the first conductive layer and the second conductive layer are contained in respectively in the first latticed groove and the second latticed groove, guarantee the conductivity of the first conductive layer and the second conductive layer, thereby improved the accuracy of button touch operation.
The accompanying drawing explanation
The sectional view that Fig. 1 is the touch button device in preferred embodiment of the present invention;
Fig. 2 is the sectional view of sensing layer in touch button device shown in Fig. 1;
Fig. 3 is the concrete structure figure of sensing layer in touch button device shown in Fig. 1;
The vertical view that Fig. 4 (a) is touch button device shown in Fig. 1 to Fig. 4 (b);
The structural representation that Fig. 5 (a) is the different embodiment of the first latticed groove and the second latticed groove in the touch button device shown in Fig. 4 to Fig. 5 (d);
Fig. 6 is sensing layer profile in another embodiment in touch button device shown in Fig. 1;
Fig. 7 is sensing layer profile in another embodiment in touch button device shown in Fig. 1;
Fig. 8 is sensing layer profile in another embodiment in touch button device shown in Fig. 1;
Fig. 9 is sensing layer profile in another embodiment in touch button device shown in Fig. 1;
Figure 10 is sensing layer profile in another embodiment in touch button device shown in Fig. 1;
Figure 11 is sensing layer profile in another embodiment in touch button device shown in Fig. 1;
Figure 12 is sensing layer profile in another embodiment in touch button device shown in Fig. 1.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Provided better embodiment of the present invention in accompanying drawing.But the present invention can realize in many different forms, is not limited to execution mode described herein.On the contrary, providing the purpose of these execution modes is make disclosure of the present invention is understood more comprehensively thorough.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not mean it is unique execution mode.
Unless otherwise defined, all technology that this paper is used are identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term used in specification of the present invention herein, just in order to describe the purpose of concrete execution mode, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1 to Fig. 3, the touch button device 10 in preferred embodiment of the present invention, comprise panel 11, the first bonding coat 12, sensing layer 13, the first conductive layer 14, the second conductive layer 15, the second bonding coat 18 and display unit 19.
The material of panel 11 can be made for non-conducting materials such as plastics or glass.Specifically panel 11 is PMMA in the present embodiment, and thickness is 1.0～1.5mm.See also Fig. 4 (a), panel 11 is printed with the pattern for key range, according to the function of touch key-press, prints different patterns.Touch button device 10 also comprises lead wire set 16, and lead wire set 16 connects touch key-presss and outside IC control circuit (not shown), touch button device 10 reception touch action, and by lead wire set 16, touch action is sent to the control response device.
Please again consult Fig. 1 to Fig. 3, the first bonding coat 12 is between panel 11 and sensing layer 13, and sensing layer 13 fits with panel 11 by the first bonding coat 12.The first bonding coat 12 is transparent optical cement, as OCA optical cement or transparent UV glue etc.The second bonding coat 18 fits on the surface of sensing layer 13 away from panel 11.Display unit 19 fits with sensing layer 13 by the second bonding coat 18.
Offer the first latticed groove 131 and the latticed groove 131 of the second latticed groove 133, the first on sensing layer 13 independent mutually with the second latticed groove 133.The first conductive layer 14 and the second conductive layer 15 all are latticed.The first conductive layer 14 and the second conductive layer 15 are contained in respectively in the first latticed groove 131 and the second latticed groove 133.The width of the first latticed groove 131 and the second latticed groove 133 is 0.2 μ m～5 μ m, is highly 2 μ m～6 μ m, and the ratio of height and width is greater than 1.
The first latticed groove 131 and the second latticed groove 133 are regular grid or random grid.See also Fig. 5 (a) to Fig. 5 (d), the first latticed groove 131 and the second latticed groove 133 can be regular hexagon, square, rhombus, any one in rectangle, parallelogram, curvilinear boundary quadrilateral or random grid.Corresponding, the first conductive layer 14 and the second conductive layer 15 are also regular hexagon, square, rhombus, rectangle, parallelogram, curvilinear boundary quadrilateral or Stochastic Networks trellis structure.
Specifically in the present embodiment, sensing layer 13 comprises two-layer inductive layer 135.Between two-layer inductive layer 135, by optical cement, fit.Inductive layer 135 comprises substrate 135a, the first latticed groove 131 and the second latticed groove 133 are opened in respectively on the surface of substrate 135a of two-layer inductive layer 135, and the first conductive layer 14 and the second conductive layer 15 are contained in respectively in the first latticed groove 131 and the second latticed groove 133.Above-mentioned touch button device 10 also comprises lead-in wire electrode 17, offers the 3rd latticed groove 137 on sensing layer 13, and lead-in wire electrode 17 is contained in the 3rd latticed groove 137.Lead-in wire electrode 17 is electrically connected to sensing layer 13.See also Fig. 4 (b), lead-in wire electrode 17 is connected with lead wire set 16, and is connected with outside IC control circuit by lead wire set 16.
Be appreciated that, see also Fig. 6, inductive layer 135 can comprise substrate 135a and hypothallus 135b simultaneously, hypothallus 135b is arranged on substrate 135a, the substrate 135a of two-layer inductive layer 135 fits by optical cement, and the first latticed groove 131 and the second latticed groove 133 are opened in respectively on the surface of hypothallus 135b away from substrate 135a of two-layer inductive layer 135.Simultaneously, lead-in wire electrode 17 can be by silk screen printing or inkjet printing, to form protruding latticed conductor wire or conduction line segment on hypothallus 135b or substrate 135a surface.The minimum widith of the latticed conductor wire of projection or conduction line segment can be 10 μ m～200 μ m, can be highly 5 μ m～10 μ m.
In another embodiment, see also Fig. 7, sensing layer 13 comprises inductive layer 235, and inductive layer 235 comprises first surface and the second surface be oppositely arranged with first surface, and the first latticed groove 131 and the second latticed groove 133 are opened in respectively first surface and second surface.The first conductive layer 14 and the second conductive layer 15 be contained in respectively the first latticed groove 131 and second latticed in so that the first conductive layer 14 and the second conductive layer 15 are distributed on two sides of inductive layer 235.
Specifically in the present embodiment, see also Fig. 8, inductive layer 235 comprises substrate 235a, the first hypothallus 235b and the second hypothallus 235c, the first hypothallus 235b and the second hypothallus 235c are arranged at respectively the both sides of substrate 235a, the first latticed groove 131 and the second latticed groove 133 are opened in respectively on the first hypothallus 235b and the second surface of hypothallus 235c away from substrate 235a, finally make the first conductive layer 14 and the second conductive layer 15 be arranged at respectively on the first hypothallus 235b and the second hypothallus 235c.
All offer the 3rd latticed groove 137 on the first hypothallus 235b and the second hypothallus 235c, lead-in wire electrode 17 is contained in the 3rd latticed groove 137.Lead-in wire electrode 17 is electrically connected to sensing layer 13.
It is pointed out that the first hypothallus 235b and the second hypothallus 235c all can save, substrate 235a is the latticed groove 131 of inductive layer 235, the first and the second latticed groove 133 is opened in respectively on two sides of substrate 235a.Simultaneously, see also Fig. 9, lead-in wire electrode 17 can be by silk screen printing or inkjet printing, to form protruding latticed conductor wire or conduction line segment on hypothallus 135b or substrate 235a surface.
In another embodiment, sensing layer 13 comprises inductive layer 335.Inductive layer 335 comprises substrate 335a and the first hypothallus 335b, substrate 335a is connected with the first hypothallus 335b, the first conductive layer 14 is arranged at substrate 335a near on the surface of the first hypothallus 135b, and the second conductive layer 15 is arranged on the first surface of hypothallus 135b away from substrate 335a.
Concrete, the first latticed groove 131 is opened in substrate 335a near on the surface of the first hypothallus 135b, and the second latticed groove 133 is opened on the first surface of hypothallus 335b away from substrate 335a.Also offer the 3rd latticed groove 137 on substrate 335a and the first hypothallus 335b, lead-in wire electrode 17 is contained in the 3rd latticed groove 137.
Be appreciated that, see also Figure 11, inductive layer 335 also can comprise the second hypothallus 335c, the second hypothallus 335c is between substrate 335a and the first hypothallus 335b, the first latticed groove 131 is opened in the second hypothallus 335c near on the surface of the first hypothallus 335b, and the second latticed groove 133 is opened on the first surface of hypothallus 335b away from substrate 335a.In addition, see also Figure 12, lead-in wire electrode 17 can be by silk screen printing or inkjet printing, to form protruding latticed conductor wire or conduction line segment.
In above-mentioned touch button device 10, offer the first latticed groove 131 and the second latticed groove 133 on sensing layer 13, latticed the first conductive layer 14 and the second conductive layer 15 are contained in respectively in the first latticed groove 131 and the second latticed groove 133, guarantee the conductivity of the first conductive layer 14 and the second conductive layer 15, thereby improved the accuracy of button touch operation.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (13)
1. a touch button device, is characterized in that, comprising:
Panel;
The first bonding coat, fit on described panel;
Sensing layer, offer the first latticed groove and the second latticed groove on it, the described first latticed groove is independent mutually with the described second latticed groove, and described sensing layer fits by described the first bonding coat and described panel;
The first conductive layer, be latticed, and described the first conductive layer is contained in the described first latticed groove;
The second conductive layer, be latticed, and described the second conductive layer is contained in the described second latticed groove;
The second bonding coat, fit on the surface of described sensing layer away from described panel; And
Display unit, described display unit fits by described the second bonding coat and described sensing layer.
2. touch button device according to claim 1, is characterized in that, described sensing layer comprises two-layer inductive layer, and two-layer described inductive layer fits, and described the first conductive layer and described the second conductive layer are opened in respectively on two-layer described inductive layer.
3. touch button device according to claim 2, is characterized in that, described inductive layer comprises substrate, and the described first latticed groove and the described second latticed groove are opened in respectively on the surface of substrate of two-layer described inductive layer.
4. touch button device according to claim 2, it is characterized in that, described inductive layer comprises substrate and hypothallus, described hypothallus is arranged in described substrate, the substrate of two-layer described inductive layer fits by optical cement, and the described first latticed groove and the described second latticed groove are opened in respectively on the surface of hypothallus away from described substrate of two-layer described inductive layer.
5. touch button device according to claim 1, it is characterized in that, described sensing layer comprises inductive layer, described inductive layer comprises first surface and the second surface be oppositely arranged with described first surface, and the described first latticed groove and the described second latticed groove are opened in respectively described first surface and described second surface.
6. touch button device according to claim 5, it is characterized in that, described inductive layer comprises substrate, the first hypothallus and the second hypothallus, described the first hypothallus and described the second hypothallus are arranged at respectively the both sides of described substrate, and the described first latticed groove and the described second latticed groove are opened in respectively on described the first hypothallus and the surface of described the second hypothallus away from described substrate.
7. touch button device according to claim 1, it is characterized in that, described sensing layer comprises inductive layer, described inductive layer comprises substrate and the first hypothallus, described substrate is connected with described the first hypothallus, described the first conductive layer is arranged at described substrate near on the surface of described the first hypothallus, and described the second conductive layer is arranged on the surface of described the first hypothallus away from described substrate.
8. touch button device according to claim 7, it is characterized in that, the described first latticed groove is opened in described substrate near on the surface of described the first hypothallus, and the described second latticed groove is opened on the surface of described the first hypothallus away from described substrate.
9. touch button device according to claim 7, it is characterized in that, described inductive layer also comprises the second hypothallus, described the second hypothallus is between described substrate and described the first hypothallus, the described first latticed groove is opened in described the second hypothallus near on the surface of described the first hypothallus, and the described second latticed groove is opened on the surface of described the first hypothallus away from described substrate.
10. touch button device according to claim 1, is characterized in that, also comprises the lead-in wire electrode, and described lead-in wire electrode is electrically connected to described sensing layer.
11. touch button device according to claim 10, is characterized in that, offers the 3rd latticed groove on described sensing layer, described lead-in wire electrode is contained in described the 3rd latticed groove.
12. touch button device according to claim 10, is characterized in that, described lead-in wire electrode is protruding latticed conductor wire or conduction line segment.
13. touch button device according to claim 1, is characterized in that, the described first latticed groove and the described second latticed groove are regular grid or random grid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103289432A CN103427820A (en) | 2013-07-31 | 2013-07-31 | Touch press-key device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103289432A CN103427820A (en) | 2013-07-31 | 2013-07-31 | Touch press-key device |
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| CN103427820A true CN103427820A (en) | 2013-12-04 |
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| US4758830A (en) * | 1984-10-25 | 1988-07-19 | Ti Corporate Services Limited | Switch/display units |
| JP4683164B1 (en) * | 2009-11-27 | 2011-05-11 | 凸版印刷株式会社 | Transparent conductive laminate, method for producing the same, and capacitive touch panel |
| CN102903423A (en) * | 2012-10-25 | 2013-01-30 | 南昌欧菲光科技有限公司 | Conduction structure in transparent conduction film, transparent conduction film and manufacture method thereof |
| CN103106953A (en) * | 2013-02-06 | 2013-05-15 | 南昌欧菲光科技有限公司 | Conducting film and preparation method thereof and touch screen comprising the same |
| CN103165226A (en) * | 2013-03-28 | 2013-06-19 | 南昌欧菲光科技有限公司 | Transparent conductive film and preparation method thereof |
| CN103207701A (en) * | 2012-01-17 | 2013-07-17 | 爱特梅尔公司 | On-display-sensor Stack |
| CN203387487U (en) * | 2013-07-31 | 2014-01-08 | 南昌欧菲光科技有限公司 | Touch button device |
-
2013
- 2013-07-31 CN CN2013103289432A patent/CN103427820A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4758830A (en) * | 1984-10-25 | 1988-07-19 | Ti Corporate Services Limited | Switch/display units |
| JP4683164B1 (en) * | 2009-11-27 | 2011-05-11 | 凸版印刷株式会社 | Transparent conductive laminate, method for producing the same, and capacitive touch panel |
| CN103207701A (en) * | 2012-01-17 | 2013-07-17 | 爱特梅尔公司 | On-display-sensor Stack |
| CN102903423A (en) * | 2012-10-25 | 2013-01-30 | 南昌欧菲光科技有限公司 | Conduction structure in transparent conduction film, transparent conduction film and manufacture method thereof |
| CN103106953A (en) * | 2013-02-06 | 2013-05-15 | 南昌欧菲光科技有限公司 | Conducting film and preparation method thereof and touch screen comprising the same |
| CN103165226A (en) * | 2013-03-28 | 2013-06-19 | 南昌欧菲光科技有限公司 | Transparent conductive film and preparation method thereof |
| CN203387487U (en) * | 2013-07-31 | 2014-01-08 | 南昌欧菲光科技有限公司 | Touch button device |
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