CN103365500A - Touch unit applied to capacitive type touch panel and capacitive type touch panel - Google Patents
Touch unit applied to capacitive type touch panel and capacitive type touch panel Download PDFInfo
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- CN103365500A CN103365500A CN 201210099733 CN201210099733A CN103365500A CN 103365500 A CN103365500 A CN 103365500A CN 201210099733 CN201210099733 CN 201210099733 CN 201210099733 A CN201210099733 A CN 201210099733A CN 103365500 A CN103365500 A CN 103365500A
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Abstract
The invention discloses a touch unit applied to a capacitive type touch panel and the relevant capacitive type touch panel. The touch unit comprises a first electrode and a second electrode, wherein the first electrode is connected to a scanning signal transmission circuit on the capacitive type touch panel and is used for receiving a scanning signal, and the second electrode is connected to a detection circuit on the capacitive type touch panel. In addition, the second electrode is not connected to the first electrode, a pattern of the second electrode is a fishbone pattern, and the width of the tail end of at least a part of branches in the fishbone pattern is greater than the width of the front end.
Description
Technical field
The present invention relates to a kind of capacitance type touch-control panel, the electrode that especially relates to a kind of touch control unit is the capacitance type touch-control panel of fish-bone pattern.
Background technology
Please refer to Fig. 1, Fig. 1 is the synoptic diagram of the subelement on the capacitance type touch-control panel 100, with reference to figure 1, capacitance type touch-control panel 100 includes one scan signal transfer circuit 110, a testing circuit 120 and a plurality of touch control unit 130 (Fig. 1 only illustrates three touch control units in the passage), wherein touch control unit 130 has one first electrode 132 and one second electrode 134, and the first electrode 132 and the second electrode 134 are delta pattern (or saw tooth pattern).In the operation of capacitance type touch-control panel 100, sweep signal transfer circuit 110 can transmit first electrode 132 of one scan signal Vs to the touch control unit 130, testing circuit 120 then can detect change in voltage on the second electrode 134 simultaneously further obtaining the capacitance variations information on the touch control unit 130, and judges according to this whether the pressure contact is arranged on the touch control unit 130.Have and know that usually the knowledgeable knows because the operation of above-mentioned capacitance type touch-control panel 100 should be field of the present invention, so details of operation does not repeat them here.
Yet, in the operation of capacitance type touch-control panel 100, coupling capacitance in the touch control unit 130 between the first electrode 132 and the second electrode 134 is smaller, and is therefore assorted poor than (Signal to Noise Ratio, SNR) meeting in touch-control sensitivity and news.
Summary of the invention
Therefore, one of purpose of the present invention is to provide a kind of capacitance type touch-control panel, and the electrode of the touch control unit on it is fish-bone pattern, to solve the above problems.
According to one embodiment of the invention, a kind of touch control unit that is applied to a capacitance type touch-control panel includes one first electrode and one second electrode, wherein this first electrode is connected in the one scan signal transfer circuit on this capacitance type touch-control panel, and be used for receiving the one scan signal, and this second electrode is connected in the testing circuit on this capacitance type touch-control panel; In addition, this second electrode is not connected to this first electrode, and the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern the terminal width of at least a portion branch greater than the front end width.
According to another embodiment of the present invention, a kind of touch control unit that is applied to a capacitance type touch-control panel includes one first electrode and one second electrode, wherein this first electrode is connected in the one scan signal transfer circuit on this capacitance type touch-control panel, and be used for receiving the one scan signal, and this second electrode is connected in the testing circuit on this capacitance type touch-control panel; In addition, this testing circuit is connected to other a plurality of touch control unit by many cablings in addition, this second electrode is not connected to this first electrode, the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern near not having this first electrode between the branch of these many cablings and this many cablings.
According to another embodiment of the present invention, a kind of capacitance type touch-control panel includes one scan signal transfer circuit, a testing circuit and a plurality of touch control unit, wherein each touch control unit includes one first electrode and one second electrode in these a plurality of touch control units, wherein this first electrode is connected in the one scan signal transfer circuit on this capacitance type touch-control panel, and be used for receiving the one scan signal, and this second electrode is connected in the testing circuit on this capacitance type touch-control panel; In addition, this second electrode is not connected to this first electrode, and the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern the terminal width of at least a portion branch greater than the front end width.
According to another embodiment of the present invention, a kind of capacitance type touch-control panel includes one scan signal transfer circuit, a testing circuit and a plurality of touch control unit, wherein each touch control unit includes one first electrode and one second electrode in these a plurality of touch control units, wherein this first electrode is connected in the one scan signal transfer circuit on this capacitance type touch-control panel, and be used for receiving the one scan signal, and this second electrode is connected in the testing circuit on this capacitance type touch-control panel; In addition, this testing circuit is connected to other a plurality of touch control unit by many cablings in addition, this second electrode is not connected to this first electrode, the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern near not having this first electrode between the branch of these many cablings and this many cablings.
Description of drawings
Fig. 1 is the synoptic diagram of the subelement on the capacitance type touch-control panel;
Fig. 2 is the synoptic diagram according to the capacitance type touch-control panel of one embodiment of the invention;
Fig. 3 is the synoptic diagram according to the touch control unit of another embodiment of the present invention;
Fig. 4 is the synoptic diagram according to the touch control unit of another embodiment of the present invention.
The main element symbol description
100,200 capacitance type touch-control panels
110,210 sweep signal transfer circuits
120,220 testing circuits
130,230,330,430 touch control units
132,232,332,432 first electrodes
134,234,334,434 second electrodes
334_1,334_2,434_1,434_2 branch
Embodiment
Please refer to Fig. 2, Fig. 2 is the synoptic diagram according to the capacitance type touch-control panel 200 of one embodiment of the invention.As shown in Figure 2, capacitance type touch-control panel 200 includes one scan signal transfer circuit 210, a testing circuit 220 and a plurality of touch control unit 230, wherein each touch control unit 230 has one first electrode 232 and one second electrode 234, wherein the second electrode 234 is not connected to the first electrode 232, the pattern of the second electrode 234 is a fish-bone pattern, and the terminal width of the branch of this fish-bone pattern is greater than the front end width.In addition, the first electrode 232 and the second electrode 234 are tin indium oxide (Indium Tin Oxide, the ITO) electrode of same layer.
In addition, in touch control unit shown in Figure 2 230, the terminal width of each branch of fish-bone pattern is all greater than the front end width, yet, in other embodiment of the present invention, only the terminal width of some branch is greater than the front end width for fish-bone pattern, and the width of other branch can be kept fixing or other change, and the variation in these designs all should be under the jurisdiction of category of the present invention.
In the operation of capacitance type touch-control panel 200, sweep signal transfer circuit 210 can transmit first electrode 232 of one scan signal Vs to the touch control unit 230, testing circuit 220 then can detect change in voltage on the second electrode 234 simultaneously further obtaining the capacitance variations information on the touch control unit 230, and judges according to this whether the pressure contact is arranged on the touch control unit 230.Have and know that usually the knowledgeable knows because the operation of said scanning signals transfer circuit 210 and testing circuit 220 should be field of the present invention, so details of operation does not repeat them here.
With reference to touch control unit 230 shown in Figure 2, owing to have larger coupling area (that is the passage length between the first electrode 232 and the second electrode 234 is longer) between the first electrode 232 and the second electrode 234, therefore, coupling capacitance between testing circuit 220 detected the first electrodes 132 and the second electrode 134 can be larger, that is have better touch-control sensitivity and the assorted ratio of news.Specifically, see also following for existing touch control unit shown in Figure 1 130 and the comparison sheet of touch control unit 230 on metric data shown in Figure 1, touch control unit 230 can tools with higher coupling capacitance, and the coupling capacitance C when not pressing the contact
Non-touchWith the coupling capacitance C that has when pressing the contact
TouchBetween difference also larger.
In addition, because the user is using capacitance type touch-control panel 200, the position of finger presses may be by being connected at touch control unit 230 on many cablings of testing circuit 220, therefore, although may cause and not press the contact on the touch control unit 230, but testing circuit 220 still has and detects a little coupling capacitance and change, and further cause in the error of judging on the coupling capacitance, therefore, in another embodiment of the present invention, touch control unit 230 on the contact panel 200 can be replaced by touch control unit 330 as shown in Figure 3, wherein touch control unit 330 has one first electrode 332 and one second electrode 334, and has in the second electrode 334 of fish-bone pattern and do not have the first electrode 332 between the most approaching branch (that is illustrated 334_1 and 334_2) that is connected to many cablings of testing circuit 220 and this many cablings.
In addition, in another embodiment of the present invention, touch control unit 230 on the contact panel 200 also can be replaced by touch control unit shown in Figure 4 430, wherein touch control unit 430 has one first electrode 432 and one second electrode 434, and has in the second electrode 434 of fish-bone pattern and do not have the first electrode 432 between the most approaching branch (that is illustrated 434_1 and 434_2) that is connected to many cablings of testing circuit 220 and this many cablings.
In Fig. 3 and touch control unit 330,430 shown in Figure 4, because the second electrode 334,434 and many cablings between do not have the first electrode 332,432, therefore, therefore the coupling capacitance that the second electrode of each touch control unit and other touch control units are connected between the cabling of testing circuit 220 just can reduce, so testing circuit 220 can be judged coupling capacitance more accurately.
In addition, should be noted, size, width, spacing, the ratio of illustrated the first electrode and the second electrode are not as restriction of the present invention among Fig. 2～Fig. 4, and on actual design, the size of the first electrode and the second electrode, width, spacing, ratio can be adjusted according to user's demand.
Concise and to the point conclusion the present invention, in capacitance type touch-control panel of the present invention, include one first electrode that is connected to the sweep signal transfer circuit in its touch control unit, and one second electrode that is connected to testing circuit, wherein the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern the terminal width of at least a portion branch greater than the front end width; In addition, in another embodiment, do not have this first electrode between this second electrode and many cablings, thus, capacitance type touch-control panel of the present invention just can have better touch-control sensitivity and the assorted ratio of news, to solve the problems of the prior art.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. touch control unit that is applied to a capacitance type touch-control panel includes:
The first electrode is connected in the one scan signal transfer circuit on this capacitance type touch-control panel, is used for receiving the one scan signal; And
The second electrode is connected in the testing circuit on this capacitance type touch-control panel;
Wherein this second electrode is not connected to this first electrode, and the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern the terminal width of at least a portion branch greater than the front end width.
2. touch control unit as claimed in claim 1, wherein this testing circuit is connected to other a plurality of touch control unit by many cablings, and in this fish-bone pattern near not having this first electrode between the branch of these many cablings and this many cablings.
3. touch control unit as claimed in claim 1, wherein this first electrode and this second electrode tin indium oxide (Indium Tin Oxide, the ITO) electrode that is same layer.
4. touch control unit that is applied to a capacitance type touch-control panel includes:
The first electrode is connected in the one scan signal transfer circuit on this capacitance type touch-control panel, is used for receiving the one scan signal; And
The second electrode is connected in the testing circuit on this capacitance type touch-control panel, and wherein this testing circuit is connected to other a plurality of touch control unit by many cablings in addition;
Wherein this second electrode is not connected to this first electrode, and the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern near not having this first electrode between the branch of these many cablings and this many cablings.
5. touch control unit as claimed in claim 4, wherein this first electrode and this second electrode tin indium oxide (Indium Tin Oxide, the ITO) electrode that is same layer.
6. capacitance type touch-control panel includes:
The sweep signal transfer circuit;
Testing circuit; And
A plurality of touch control units, wherein each touch control unit includes in these a plurality of touch control units:
The first electrode is connected in this sweep signal transfer circuit, is used for receiving the one scan signal; And
The second electrode is connected in this testing circuit;
Wherein this second electrode is not connected to this first electrode, and the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern the terminal width of at least a portion branch greater than the front end width.
7. capacitance type touch-control panel as claimed in claim 6, wherein this testing circuit is connected to this a plurality of touch control units by many cablings, and in this fish-bone pattern near not having this first electrode between the branch of these many cablings and this many cablings.
8. capacitance type touch-control panel as claimed in claim 6, wherein this first electrode and this second electrode tin indium oxide (Indium Tin Oxide, the ITO) electrode that is same layer.
9. capacitance type touch-control panel includes:
The sweep signal transfer circuit;
Testing circuit; And
A plurality of touch control units, wherein each touch control unit includes in these a plurality of touch control units:
The first electrode is connected in this sweep signal transfer circuit, is used for receiving the one scan signal; And
The second electrode is connected in this testing circuit, and wherein this testing circuit is connected to this a plurality of touch control units by many cablings;
Wherein this second electrode is not connected to this first electrode, and the pattern of this second electrode is a fish-bone pattern, and in this fish-bone pattern near not having this first electrode between the branch of these many cablings and this many cablings.
10. capacitance type touch-control panel as claimed in claim 9, wherein this first electrode and this second electrode tin indium oxide (Indium Tin Oxide, the ITO) electrode that is same layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210099733 CN103365500A (en) | 2012-04-06 | 2012-04-06 | Touch unit applied to capacitive type touch panel and capacitive type touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210099733 CN103365500A (en) | 2012-04-06 | 2012-04-06 | Touch unit applied to capacitive type touch panel and capacitive type touch panel |
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| CN103365500A true CN103365500A (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210099733 Pending CN103365500A (en) | 2012-04-06 | 2012-04-06 | Touch unit applied to capacitive type touch panel and capacitive type touch panel |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106557220A (en) * | 2015-09-30 | 2017-04-05 | 苹果公司 | High aspect ratio capacitance type sensor panel |
| US10001888B2 (en) | 2009-04-10 | 2018-06-19 | Apple Inc. | Touch sensor panel design |
| US10331278B2 (en) | 2007-10-04 | 2019-06-25 | Apple Inc. | Single-layer touch-sensitive display |
| US10534481B2 (en) | 2015-09-30 | 2020-01-14 | Apple Inc. | High aspect ratio capacitive sensor panel |
| US10642418B2 (en) | 2017-04-20 | 2020-05-05 | Apple Inc. | Finger tracking in wet environment |
| EP3657310A1 (en) * | 2018-11-23 | 2020-05-27 | LG Display Co., Ltd. | Touch panel and touch display device |
| US11294503B2 (en) | 2008-01-04 | 2022-04-05 | Apple Inc. | Sensor baseline offset adjustment for a subset of sensor output values |
| US11662867B1 (en) | 2020-05-30 | 2023-05-30 | Apple Inc. | Hover detection on a touch sensor panel |
-
2012
- 2012-04-06 CN CN 201210099733 patent/CN103365500A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11269467B2 (en) | 2007-10-04 | 2022-03-08 | Apple Inc. | Single-layer touch-sensitive display |
| US10331278B2 (en) | 2007-10-04 | 2019-06-25 | Apple Inc. | Single-layer touch-sensitive display |
| US11983371B2 (en) | 2007-10-04 | 2024-05-14 | Apple Inc. | Single-layer touch-sensitive display |
| US11294503B2 (en) | 2008-01-04 | 2022-04-05 | Apple Inc. | Sensor baseline offset adjustment for a subset of sensor output values |
| US10001888B2 (en) | 2009-04-10 | 2018-06-19 | Apple Inc. | Touch sensor panel design |
| WO2017058413A1 (en) * | 2015-09-30 | 2017-04-06 | Apple Inc. | High aspect ratio capacitive sensor panel |
| CN106557220B (en) * | 2015-09-30 | 2019-08-13 | 苹果公司 | High aspect ratio capacitance type sensor panel |
| US10534481B2 (en) | 2015-09-30 | 2020-01-14 | Apple Inc. | High aspect ratio capacitive sensor panel |
| CN106557220A (en) * | 2015-09-30 | 2017-04-05 | 苹果公司 | High aspect ratio capacitance type sensor panel |
| US10642418B2 (en) | 2017-04-20 | 2020-05-05 | Apple Inc. | Finger tracking in wet environment |
| EP3657310A1 (en) * | 2018-11-23 | 2020-05-27 | LG Display Co., Ltd. | Touch panel and touch display device |
| US10852897B2 (en) | 2018-11-23 | 2020-12-01 | Lg Display Co., Ltd. | Touch panel and touch display device |
| US11662867B1 (en) | 2020-05-30 | 2023-05-30 | Apple Inc. | Hover detection on a touch sensor panel |
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Application publication date: 20131023 |