CN201716711U - Capacitive touch-control membrane and related keypad device - Google Patents
Capacitive touch-control membrane and related keypad device Download PDFInfo
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- CN201716711U CN201716711U CN2010202243490U CN201020224349U CN201716711U CN 201716711 U CN201716711 U CN 201716711U CN 2010202243490 U CN2010202243490 U CN 2010202243490U CN 201020224349 U CN201020224349 U CN 201020224349U CN 201716711 U CN201716711 U CN 201716711U
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Abstract
The utility model discloses a capacitive touch-control membrane and a related keypad device. The capacitive touch-control thin membrane comprises a first protection layer, a press button capacitive sensing layer, a cursor capacitive sensing layer and a second protection layer. The utility model is characterized in that the first protection layer contains a first and a second capacitive sensing area; the press button capacitive sensing layer is disposed at a position corresponding to the first capacitive sensing area and consists of a plurality of sensors which are arranged in a manner corresponding to the arrangement of press buttons; the cursor capacitive sensing layer is disposed at a position corresponding to the second capacitive sensing area; the second protection layer and the first protection layer seal the press button capacitive sensing layer and the cursor capacitive sensing layer. As the keypad device adopts a membrane capacitive sensing arrangement in the press button capacitive sensing layer and the cursor capacitive sensing layer, the utility model is advantageous in that the producing process is simplified; the problem of bad contact or press buttons being out of alignment under different using environment can be prevented; the operation precision and accuracy of a keypad device can be increased.
Description
Technical field
The utility model refers to a kind of in the capacitive touch controlled thin film and the correlated keyboard device thereof that all adopt the capacitive sensing design by key entry area and vernier control zone about a kind of capacitive touch controlled thin film and correlated keyboard device thereof especially.
Background technology
The input media that is used at present being arranged on the notebook computer is the combining and configuring of Trackpad and keyboard.Generally speaking, common Trackpad adopts the capacitance touching control design, it utilizes the X-axis inductive layer and the Y-axis inductive layer that are arranged in the touch-control plate body insulated from each otherly and are connected to control circuit to produce the vernier signal, just according to X-axis inductive layer and Y-axis inductive layer when user's finger touches Trackpad the capacitance variations of corresponding generation, to export the controlling signal of corresponding vernier displacement, use control and be positioned at moving of vernier on the display screens.On the other hand, the common keyboard that is applied on the notebook computer then is the design of adopting film key (membrane), it is made up of anode thin film, insulation film and negative film, in brief, as long as the user presses down the keycap on the keyboard, on the anode thin film pairing contact point can be by the hole on the insulation film with negative film on pairing contact point conducting, thereby produce corresponding keying signal.
Yet above-mentioned design meeting brings complicated manufacturing process because of structural arrangements different each other in Trackpad and the keyboard; In addition, from the above, must leave the air flue that is available for users to push in the zone of inner corresponding each button of film key, thus, not only can produce the problem that encapsulation is difficult for, simultaneously, because the distance between anode thin film and the negative film can change to some extent because of inner air changes the volumetric expansion or the reduction that are produced with ambient pressure, therefore, it also can cause handling problems such as loose contact or button contraposition be inaccurate easily.
The utility model content
Therefore, one of the purpose of this utility model is to provide a kind of in the capacitive touch controlled thin film and the correlated keyboard device thereof that all adopt the capacitive sensing design by key entry area and vernier control zone, to solve the above problems.
For reaching above-mentioned purpose, the utility model provides a kind of capacitive touch controlled thin film, and this capacitive touch controlled thin film includes first protective seam, button capacitive sensing layer, produces the vernier capacitive sensing layer and second protective seam of vernier signal in the mode of capacitive sensing.Have the first capacitive sensing district and the second capacitive sensing district on first protective seam; Button capacitive sensing floor is arranged on should the position in the first capacitive sensing district, this button capacitive sensing layer includes the induction installation that a plurality of modes with capacitive sensing produce keying signal, and those induction installations are arranged in the mode of the key configurations of corresponding keyboard; Vernier capacitive sensing floor is arranged on should the position in the second capacitive sensing district; Second protective seam is arranged at a side of this first protective seam, this second protective seam and this this button capacitive sensing layer of first protective seam mutual encapsulation and this vernier capacitive sensing layer.
Further, each induction installation is made up of a plurality of first X-axis sensing units and a plurality of first Y-axis sensing unit, and these a plurality of first X-axis sensing units and this a plurality of first Y-axis sensing units are matrix form and are crisscross arranged.
Further; these a plurality of first X-axis sensing units are with in this first capacitive sensing district that is attached at this first protective seam in the mode that couples on the first direction; these a plurality of first Y-axis sensing units are to be attached at this second protective seam on should the position in the first capacitive sensing district in the mode that couples on the second direction, this first direction is perpendicular to this second direction.
Further, other includes insulation course, and it is arranged between this first protective seam and this second protective seam.
Further, this insulation course is that (PolyethyleneTerephthalate, PET) material is formed by polyethylene terephthalate.
Further; these a plurality of first X-axis sensing units are with in this first capacitive sensing district that is attached at this first protective seam in the mode that couples on the first direction; these a plurality of first Y-axis sensing units are with in this first capacitive sensing district that is attached at this first protective seam in wire jumper ways of connecting on the second direction; these a plurality of first Y-axis sensing units do not couple each other with these a plurality of first X-axis sensing units, and this first direction is perpendicular to this second direction.
Further, each this induction installation is the capacitive sensing sheet.
Further, this first protective seam and this second protective seam are made up of the polyethylene terephthalate material.
Further, this button capacitive sensing layer and this vernier capacitive sensing layer gummed is packaged between this first protective seam and this second protective seam.
Further, this vernier capacitive sensing layer is made up of a plurality of second X-axis sensing units and a plurality of second Y-axis sensing unit, and these a plurality of second X-axis sensing units and this a plurality of second Y-axis sensing units are matrix form and are crisscross arranged.
Further; these a plurality of second X-axis sensing units are with in this second capacitive sensing district that is attached at this first protective seam in the mode that couples on the first direction; these a plurality of second Y-axis sensing units are to be attached at this second protective seam on should the position in the second capacitive sensing district in the mode that couples on the second direction, this first direction is perpendicular to this second direction.
Further, other includes insulation course, and it is arranged between this first protective seam and this second protective seam.
Further, this insulation course is made up of the polyethylene terephthalate material.
Further; these a plurality of second X-axis sensing units are with in this second capacitive sensing district that is attached at this first protective seam in the mode that couples on the first direction; these a plurality of second Y-axis sensing units are to be attached in this second capacitive sensing district of this first protective seam in wire jumper ways of connecting on the second direction; these a plurality of second Y-axis sensing units do not couple each other with these a plurality of second X-axis sensing units, and this first direction is perpendicular to this second direction.
The utility model also provides a kind of key board unit, and this key board unit includes: main body, aforesaid capacitive touch controlled thin film and signal output end.The capacitive touch controlled thin film is arranged on this main body; Signal output end is coupled to this button capacitive sensing layer and this vernier capacitive sensing layer, this signal output end this keying signal of output and this vernier signal.
Utilize structural arrangements different each other in Trackpad and the keyboard to carry out the input of vernier signal and keying signal respectively compared to prior art, key board unit provided by the utility model then is in button capacitive sensing district and vernier capacitive sensing district all adopts the configuration of thin-film type capacitance induction, so can simplify relevant manufacturing process widely, in addition, by the foregoing description as can be known, under the design of thin-film type capacitance induction, must additionally not leave the air flue of pushing for the user owing to adopt the mode of gummed encapsulation between the sensing unit in the button capacitive sensing district of capacitive touch controlled thin film, therefore can avoid handling problems such as above-mentioned mentioned loose contact that is produced or button contraposition be inaccurate under different environments for use, thereby increase the accuracy of controlling of key board unit.
Can describe in detail and appended graphic being further understood by following utility model about advantage of the present utility model and spirit.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model preferred embodiment key board unit;
Fig. 2 is the part schematic internal view of the button capacitive sensing layer of capacitive touch controlled thin film shown in Figure 1;
Fig. 3 is the part schematic internal view of the vernier capacitive sensing layer of capacitive touch controlled thin film shown in Figure 1.
Embodiment
See also Fig. 1, it is the synoptic diagram of the utility model preferred embodiment key board unit 10, and key board unit 10 includes main body 12, capacitive touch controlled thin film 14 and signal output end 16; Main body 12 is other element assembling mechanisms except that capacitive touch controlled thin film 14 and signal output end 16 on the key board unit 10 (as housings etc.), 14 of capacitive touch controlled thin films are to be arranged on the main body 12, usefulness for user's touch control operation, as shown in Figure 1, capacitive touch controlled thin film 14 includes first protective seam 18, button capacitive sensing layer 20 and vernier capacitive sensing layer 22; Have the first capacitive sensing district 24 and the second capacitive sensing district 26 on first protective seam 18, in this embodiment, preferably (Polyethylene Terephthalate PET) forms first protective seam 18, but not limit by this by the polyethylene terephthalate material; Button capacitive sensing floor 20 is arranged on the position in the corresponding first capacitive sensing district 24, and vernier capacitive sensing floor 22 then is to be arranged on the position in the corresponding second capacitive sensing district 26.
Aspect button capacitive sensing layer 20, please consult Fig. 1 and Fig. 2 simultaneously, Fig. 2 is the part schematic internal view of the button capacitive sensing layer 20 of capacitive touch controlled thin film 14 shown in Figure 1; As Fig. 1 and shown in Figure 2, button capacitive sensing layer 20 includes a plurality of induction installations 28, and capacitive touch controlled thin film 14 includes second protective seam 30 and insulation course 32 in addition; A plurality of induction installations 28 are preferably arranged in the mode of the key configurations of corresponding keyboard, meaning is that a plurality of induction installations 28 can be distinguished common button on the corresponding general keyboard, as function key, numerical key etc., and each induction installation 28 is made up of a plurality of first X-axis sensing units 34 and a plurality of first Y-axis sensing unit 36, in other words, through the first X-axis sensing unit 34 in the induction installation 28 and the contraposition capacitive sensing of the first Y-axis sensing unit 36, button capacitive sensing layer 20 promptly can capacitive sensing mode sense the position that user's finger is touched, and produce corresponding keying signal simultaneously, carry out operations such as document input for the user.
In addition, second protective seam 30 is arranged at a side (as shown in Figure 2) of first protective seam 18, so can with first protective seam, 18 mutual encapsulation button capacitive sensing layer 20 and vernier capacitive sensing layers 22, be used for encapsulating the method for button capacitive sensing layer 20 and vernier capacitive sensing layer 22 herein, it preferably adopts common gummed method for packing, for instance, button capacitive sensing layer 20 and vernier capacitive sensing layer 22 can utilize glue coating mode thereon to be packaged between first protective seam 18 and second protective seam 30; In addition; insulation course 32 is arranged between first protective seam 18 and second protective seam 30; use and isolate a plurality of first X-axis sensing units 34 and a plurality of first Y-axis sensing unit 36, take place with the situation of avoiding button capacitive sensing layer 20 internal wiring mutual conduction or short circuit.Above-mentioned second protective seam 30 and insulation course 32 preferably are made up of the polyethylene terephthalate material, but not limit by this.
And aspect vernier capacitive sensing layer 22, please consulting Fig. 1 and Fig. 3 simultaneously, Fig. 3 is the part schematic internal view of the vernier capacitive sensing layer 22 of capacitive touch controlled thin film 14 shown in Figure 1; By Fig. 1 and Fig. 3 as can be known; vernier capacitive sensing layer 22 is made up of a plurality of second X-axis sensing units 38 and a plurality of second Y-axis sensing unit 40; a plurality of second X-axis sensing units 38 and a plurality of second Y-axis sensing unit 40 are matrix form and are crisscross arranged; in other words; a plurality of second X-axis sensing units 38 are to be attached in the second capacitive sensing district 26 of first protective seam 18 in the mode that couples on first direction (being X-direction shown in Figure 1); and a plurality of second Y-axis sensing units 40 are to be attached on the position in second protective seam, the 30 corresponding second capacitive sensing districts 26 in the mode that couples on second direction (being Y direction shown in Figure 1), and wherein this first direction is perpendicular to this second direction.
Thus, see through the above-mentioned matrix form configuration and the second X-axis sensing unit 38 and the capacitive sensing of the second Y-axis sensing unit 40 on X-Y is axial, vernier capacitive sensing layer 22 promptly can capacitive sensing mode sense the user and point mobile direction vector, and produce corresponding vernier signal simultaneously, carry out the control that vernier moves for the user, as for capacitance touching control principle and interlock circuit design, it is common in the prior art, so repeat no more in this.
As for signal output end 16, it is coupled to button capacitive sensing layer 20 and vernier capacitive sensing layer 22, key board unit 10 can utilize signal output end 16 to be coupled on the corresponding electronic installation (as notebook computer etc.), and the vernier signal that produced of the keying signal that is produced via the above-mentioned button capacitive sensing layer 20 of signal output end 16 outputs and vernier capacitive sensing layer 22, with the usefulness of controlling as follow-up input (as document input, vernier control etc.).
It should be noted that; aspect the alignment arrangements of a plurality of first X-axis sensing units 34 of induction installation 28 inside and a plurality of first Y-axis sensing units 36; it can adopt the identical design of alignment arrangements with vernier capacitive sensing layer shown in Figure 1 22 inside; that is to say; a plurality of first X-axis sensing units 34 and a plurality of first Y-axis sensing unit 36 can be matrix form and be crisscross arranged; wherein a plurality of first X-axis sensing units 34 are with in the first capacitive sensing district 24 that is attached at first protective seam 18 in the mode that couples on this first direction, and a plurality of first Y-axis sensing units 36 are to be attached on the position in second protective seam, the 30 corresponding first capacitive sensing districts 24 in the mode that couples on this second direction.Thus, the utility model can see through button capacitive sensing layer 20 and design with the diaphragm type of the identical unanimity of alignment arrangements of vernier capacitive sensing layer 22 inside, and then reaches the effect of the manufacturing process of simplifying key board unit 10.
In addition; above-mentioned insulation course 32 can be omissible element; meaning is that key board unit 10 can be only sees through and increases above-mentioned mentioned first protective seam 18 and the glue thickness between second protective seam 30 coated and reach the insulation effect identical with insulation course 32, uses the encapsulation flow process and the cost of simplification capacitive touch controlled thin film 14.
The X-axis sensing unit in the above-mentioned button capacitive sensing layer 20 and the configuration of Y-axis sensing unit can be not limited to the design that the foregoing description mentionedly is attached at different protective seams respectively; it can change and adopts X-axis sensing unit and Y-axis sensing unit all to be attached at design on the same protective seam; to reach the effect of reduction capacitive touch controlled thin film 14 integral thickness; for instance; a plurality of first X-axis sensing units 34 can be similarly with in the first capacitive sensing district 24 that is attached at first protective seam 18 in the mode that couples on this first direction; a plurality of first Y-axis sensing units 36 then are to change to be attached in wire jumper ways of connecting on this second direction in the first capacitive sensing district 24 of first protective seam 18; so that a plurality of first Y-axis sensing units 36 do not couple each other with a plurality of first X-axis sensing units 34, and then avoid the situation of button capacitive sensing layer 20 internal wiring mutual conduction or short circuit to take place.Above-mentioned interlock circuit cabling design is common in the prior art, so repeat no more in this.
In like manner; the X-axis sensing unit in the vernier capacitive sensing layer 22 and the configuration of Y-axis sensing unit also can change adopts design same as described above; as for the relevant variation of deriving; it can be by that analogy; all be attached at first protective seam 18 as the first X-axis sensing unit 34 and the first Y-axis sensing unit 36 in the button capacitive sensing layer 20, the second X-axis sensing unit 38 and the second Y-axis sensing unit 40 in the vernier capacitive sensing layer 22 then are to be attached at respectively on first protective seam 18 and second protective seam 30.
In addition, induction installations 28 in the button capacitive sensing layer 20 also can be not limited to the design be made up of a plurality of first X-axis sensing units 34 and a plurality of first Y-axis sensing unit 36, it also can change the capacitive sensing design of adopting single capacitive sensing sheet, meaning is that each induction installation 28 can directly be the single capacitive sensing sheet of the corresponding button of difference, use the above-mentioned design of forming by a plurality of sensing unit of replacement, thereby simplify the circuit trace configurations of button capacitive sensing layer 20 inside.As for adopting which kind of design, look closely the actual manufacturing of key board unit 10 and application demand and decide.
Utilize structural arrangements different each other in Trackpad and the keyboard to carry out the input of vernier signal and keying signal respectively compared to prior art, key board unit provided by the utility model then is in button capacitive sensing district and vernier capacitive sensing district all adopts the configuration of thin-film type capacitance induction, so can simplify relevant manufacturing process widely, in addition, by the foregoing description as can be known, under the design of thin-film type capacitance induction, must additionally not leave the air flue of pushing for the user owing to adopt the mode of gummed encapsulation between the sensing unit in the button capacitive sensing district of capacitive touch controlled thin film, therefore can avoid handling problems such as above-mentioned mentioned loose contact that is produced or button contraposition be inaccurate under different environments for use, thereby increase the accuracy of controlling of key board unit.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to claim scope of the present utility model change and modify, and all should belong to covering scope of the present utility model.
Claims (11)
1. capacitive touch controlled thin film is characterized in that this capacitive touch controlled thin film includes:
First protective seam has the first capacitive sensing district and the second capacitive sensing district on it;
Button capacitive sensing layer, it is arranged on should the position in the first capacitive sensing district, this button capacitive sensing layer includes the induction installation that a plurality of modes with capacitive sensing produce keying signal, and those induction installations are arranged in the mode of the key configurations of corresponding keyboard;
Produce the vernier capacitive sensing layer of vernier signal in the mode of capacitive sensing, this vernier capacitive sensing floor is arranged on should the position in the second capacitive sensing district; And
Second protective seam, it is arranged at a side of this first protective seam, this second protective seam and this this button capacitive sensing layer of first protective seam mutual encapsulation and this vernier capacitive sensing layer.
2. capacitive touch controlled thin film as claimed in claim 1, it is characterized in that each induction installation is made up of a plurality of first X-axis sensing units and a plurality of first Y-axis sensing unit, these a plurality of first X-axis sensing units and this a plurality of first Y-axis sensing units are matrix form and are crisscross arranged.
3. capacitive touch controlled thin film as claimed in claim 2; it is characterized in that these a plurality of first X-axis sensing units are with in this first capacitive sensing district that is attached at this first protective seam in the mode that couples on the first direction; these a plurality of first Y-axis sensing units are to be attached at this second protective seam on should the position in the first capacitive sensing district in the mode that couples on the second direction, this first direction is perpendicular to this second direction.
4. capacitive touch controlled thin film as claimed in claim 2; it is characterized in that these a plurality of first X-axis sensing units are with in this first capacitive sensing district that is attached at this first protective seam in the mode that couples on the first direction; these a plurality of first Y-axis sensing units are with in this first capacitive sensing district that is attached at this first protective seam in wire jumper ways of connecting on the second direction; these a plurality of first Y-axis sensing units do not couple each other with these a plurality of first X-axis sensing units, and this first direction is perpendicular to this second direction.
5. capacitive touch controlled thin film as claimed in claim 1 is characterized in that each this induction installation is the capacitive sensing sheet.
6. capacitive touch controlled thin film as claimed in claim 1 is characterized in that this button capacitive sensing layer and this vernier capacitive sensing layer gummed is packaged between this first protective seam and this second protective seam.
7. capacitive touch controlled thin film as claimed in claim 1, it is characterized in that this vernier capacitive sensing layer is made up of a plurality of second X-axis sensing units and a plurality of second Y-axis sensing unit, these a plurality of second X-axis sensing units and this a plurality of second Y-axis sensing units are matrix form and are crisscross arranged.
8. capacitive touch controlled thin film as claimed in claim 7; it is characterized in that these a plurality of second X-axis sensing units are with in this second capacitive sensing district that is attached at this first protective seam in the mode that couples on the first direction; these a plurality of second Y-axis sensing units are to be attached at this second protective seam on should the position in the second capacitive sensing district in the mode that couples on the second direction, this first direction is perpendicular to this second direction.
9. capacitive touch controlled thin film as claimed in claim 7; it is characterized in that these a plurality of second X-axis sensing units are with in this second capacitive sensing district that is attached at this first protective seam in the mode that couples on the first direction; these a plurality of second Y-axis sensing units are to be attached in this second capacitive sensing district of this first protective seam in wire jumper ways of connecting on the second direction; these a plurality of second Y-axis sensing units do not couple each other with these a plurality of second X-axis sensing units, and this first direction is perpendicular to this second direction.
10. capacitive touch controlled thin film as claimed in claim 1 is characterized in that including in addition insulation course, and it is arranged between this first protective seam and this second protective seam.
11. a key board unit is characterized in that this key board unit includes:
Main body;
As any described capacitive touch controlled thin film of claim 1-10, it is arranged on this main body; And
Signal output end, it is coupled to this button capacitive sensing layer and this vernier capacitive sensing layer, this signal output end this keying signal of output and this vernier signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202243490U CN201716711U (en) | 2010-06-01 | 2010-06-01 | Capacitive touch-control membrane and related keypad device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202243490U CN201716711U (en) | 2010-06-01 | 2010-06-01 | Capacitive touch-control membrane and related keypad device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716711U true CN201716711U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202243490U Expired - Fee Related CN201716711U (en) | 2010-06-01 | 2010-06-01 | Capacitive touch-control membrane and related keypad device |
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| CN (1) | CN201716711U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609100A (en) * | 2012-01-17 | 2012-07-25 | 苏州达方电子有限公司 | Touch keyboard |
| CN102854986A (en) * | 2011-06-27 | 2013-01-02 | 升达科技股份有限公司 | Capacitive touch keyboard and touch electric conduction structure thereof |
| CN103066982A (en) * | 2012-12-28 | 2013-04-24 | 苏州达方电子有限公司 | Keyboard |
| CN103744522A (en) * | 2014-01-08 | 2014-04-23 | 珠海市智迪科技有限公司 | Static-capacitive film touch keyboard |
| CN109164920A (en) * | 2018-08-31 | 2019-01-08 | 信利光电股份有限公司 | A kind of touch control keyboard |
| US11489523B2 (en) | 2018-11-13 | 2022-11-01 | Defond Electech Co., Ltd. | Touch control human machine interface |
-
2010
- 2010-06-01 CN CN2010202243490U patent/CN201716711U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854986A (en) * | 2011-06-27 | 2013-01-02 | 升达科技股份有限公司 | Capacitive touch keyboard and touch electric conduction structure thereof |
| CN102854986B (en) * | 2011-06-27 | 2016-06-01 | 升达科技股份有限公司 | The touch-control conductive structure of capacitive touch keyboard and capacitive touch keyboard |
| CN102609100A (en) * | 2012-01-17 | 2012-07-25 | 苏州达方电子有限公司 | Touch keyboard |
| CN103066982A (en) * | 2012-12-28 | 2013-04-24 | 苏州达方电子有限公司 | Keyboard |
| CN103066982B (en) * | 2012-12-28 | 2015-12-23 | 苏州达方电子有限公司 | Keyboard |
| CN103744522A (en) * | 2014-01-08 | 2014-04-23 | 珠海市智迪科技有限公司 | Static-capacitive film touch keyboard |
| CN103744522B (en) * | 2014-01-08 | 2017-03-08 | 珠海市智迪科技股份有限公司 | Static-capacitive film touch keyboard |
| CN109164920A (en) * | 2018-08-31 | 2019-01-08 | 信利光电股份有限公司 | A kind of touch control keyboard |
| US11489523B2 (en) | 2018-11-13 | 2022-11-01 | Defond Electech Co., Ltd. | Touch control human machine interface |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20180601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |