CN104777949A - Capacitive touch panel - Google Patents
Capacitive touch panel Download PDFInfo
- Publication number
- CN104777949A CN104777949A CN201410026243.2A CN201410026243A CN104777949A CN 104777949 A CN104777949 A CN 104777949A CN 201410026243 A CN201410026243 A CN 201410026243A CN 104777949 A CN104777949 A CN 104777949A
- Authority
- CN
- China
- Prior art keywords
- sense film
- film
- circuit board
- base material
- flexible circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 69
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Landscapes
- Position Input By Displaying (AREA)
Abstract
A capacitive touch panel comprises a substrate, a first sensing film, a second sensing film and a flexible circuit board. The first sensing film is arranged on the substrate and comprises a first film material and a plurality of first electrodes, wherein the first electrodes are arranged in parallel along a first direction. The second sensing film is arranged on the first sensing film and comprises a second film material and a plurality of second electrodes, wherein the second electrodes are arranged in parallel along a second direction, and the second direction is orthogonal to the first direction. The flexible circuit board comprises a strip-shaped base material, and the strip-shaped base material is bent twice to form an L-shaped base material. The L-shaped substrate is provided with a first connecting part connected with the first sensing film, a second connecting part connected with the second sensing film, and a bending part connecting the first connecting part and the second connecting part.
Description
Technical field
The present invention relates to a kind of contact panel, and in particular to a kind of capacitance type touch-control panel.
Background technology
In recent years, due to the breakthrough of touch technology, mechanical push button panel gradually replace by Touch Screen, relevant consumption electronic products are also developed, in response to the market demand, touch technology has been widely used in the mobile device such as smart mobile phone or flat computer.
Current is capacitance touching control at smart mobile phone or the touch control manner of flat computer main flow.And capacitance touching control can by two glass gluing (Glass/Glass on panel framework; GG type), two thin walls laminating (Glass/Film/Film; GFF type) and integrated touch-control (One Glass Solution; OGS) realize.For the framework of two thin walls laminating, it affixes on substrate after comprising the region becoming to be applicable to by successional electrode sense film base material cutting, is finally connected by flexible circuit board again and reaches the object of signal transmission.
Summary of the invention
The invention provides a kind of capacitance type touch-control panel with L shape flexible circuit board, to reach the object reducing flexible circuit board use amount, and be convenient to assemble.
The invention provides a kind of capacitance type touch-control panel, comprise a substrate, one first sense film, one second sense film, a flexible circuit board.First sense film arranges on substrate, and comprise one first film material and be arranged on multiple first electrodes on the first film material, wherein the first electrode is arranged in parallel along a first direction.Second sense film is arranged on the first sense film, and comprise one second film material and be arranged on multiple second electrodes on the second film material, wherein the second electrode is arranged in parallel along a second direction, and second direction is orthogonal to first direction.Flexible circuit board comprises a strip base material, strip base material is via forming a L shape base material after twice bending, L shape base material has one first connecting portion be connected with the first sense film, one second connecting portion be connected with the second sense film, and connects a kink of this junction and the second connecting portion.
The invention provides a kind of method for making of capacitance type touch-control panel, comprise substrate be provided, cut sense film base material, secondary bending strip flexible circuit board.Cut sense film base material, to obtain the first sense film and the second sense film.By the first sense film and the second sense film overlapped on substrate, wherein the first sense film electrode trend be orthogonal to the second sense film electrode trend.Secondary bending strip flexible circuit board, to obtain a L shape flexible circuit board.Last L shape flexible circuit board connects the first sense film and the second sense film.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of flexible circuit board one embodiment in capacitance type touch-control panel of the present invention.
Fig. 2 A is the schematic diagram of the strip base material first time bending in Fig. 1.
Fig. 2 B is the schematic diagram of the strip base material second time bending in Fig. 1.
Fig. 3 illustrates the explosive view of capacitance type touch-control panel one embodiment of the present invention.
Fig. 4 illustrates the schematic diagram of capacitance type touch-control panel one embodiment of the present invention.
Fig. 5 is the process flow diagram of capacitance type touch-control panel method for making one embodiment of the present invention.
[symbol description]
100 capacitance type touch-control panels
102 substrates
110 first sense films
112 first film materials
114 first electrodes
116 first directions
120 second sense films
122 second film materials
124 second electrodes
126 second directions
130 flexible circuit boards
131 strip base materials
132 first broken lines
133 second broken lines
134 L shape base materials
136 first connecting portions
138 second connecting portions
140 kinks
142 extensions
144 the first terminals
146 second terminals
148 the 3rd terminals
149 wires
150 control circuit boards
152 diaphragms
154 insulating tapes
S10-S40 step
Embodiment
Below will clearly demonstrate spirit of the present invention with graphic and detailed description, those skilled in the art are after understanding the preferred embodiments of the present invention, and when by the technology of teachings of the present invention, can being changed and modifying, it does not depart from spirit of the present invention and scope.
In view of known two thin walls fits capacitance type touch-control panel architecturally, transmission of signal need be responsible for flexible circuit board, and due to two thin walls laminating capacitance type touch-control panel need two-way simultaneous to pour into trace signal (Tx), therefore two flexible circuit boards are needed to provide trace signal, article one, flexible circuit board is in order to receive (Rx) signal, need three flexible circuit boards to be used as signal transmission altogether, be unfavorable for system assembles and the higher cost of needs.Therefore, the present invention proposes a kind of L shape flexible circuit type structure, to reduce the consumption of flexible circuit board and to improve its system assembles.
Please refer to Fig. 1, it is the schematic diagram of flexible circuit board one embodiment in capacitance type touch-control panel of the present invention.It should be noted that Fig. 1 mainly represents the strip base material forming one of flexible circuit plate material, but not flexible circuit slab integral, the structures such as the terminal namely on flexible circuit board and wire are not illustrated in this figure.Strip base material 131 material can be plastic cement or other insulators.Strip base material 131 comprises the first broken line 132 and the second broken line 133, and the first broken line 132 and the second broken line 133 roughly press from both sides a miter angle.The broken line that first broken line 132 is aimed at when carrying out first time bending for strip base material 131.The broken line that second broken line 133 is aimed at when carrying out second time bending for strip base material 131.
Cooperation accompanying drawing just by bending this strip base material 131 to obtain carried L shape flexible circuit board, illustrates by the present invention below.
Referring to Fig. 1 and Fig. 2 A, wherein Fig. 2 A is the strip base material first time bending sketch map in Fig. 1.From Fig. 2 A, after strip base material 131 bends along the first broken line 132, because the first broken line 132 and the second broken line 133 angle are miter angle, the therefore visible rectangular turning point of strip base material 131 tool after bending.
Please more simultaneously with reference to Fig. 2 A and Fig. 2 B, wherein Fig. 2 B is the long strip type base material second time bending sketch map in Fig. 2 A.The strip base material 131 of the rectangular turning point of tool in Fig. 2 A is done second time bending along the second broken line 133 again, gets final product the L shape base material 134 in pie graph 2B.
L shape base material 134 comprises the first connecting portion 136, second connecting portion 138 and connects the kink 140 of the first connecting portion 136 and the second connecting portion 138.And there is an orthogonality relation between the first connecting portion 136 and the second connecting portion 138.
As previously noted, L shape flexible circuit board proposed by the invention is obtained after 2 bendings by the flexible circuit board of strip.Therefore, on the processing procedure of flexible circuit board, because original-shape is strip, typesetting utilization factor when therefore making obtains and promotes.
Please refer to Fig. 3, it is the explosive view of capacitance type touch-control panel one embodiment of the present invention.Capacitance type touch-control panel 100 comprises substrate 102, first sense film 110, second sense film 120, flexible circuit board 130.More specifically, the first sense film 110 is placed on substrate 102, and the second sense film 120 is placed on the first sense film 110.Flexible circuit board 130 is placed on the first sense film 110 and the second sense film 120, and the first connecting portion 136 in flexible circuit board 130 is connected with the first sense film 110, and the second connecting portion 138 in flexible circuit board 130 is connected with the second sense film 120.
The object of the first sense film 110 and the second sense film 120 is as sensing region during touch-control.First sense film 110 comprises the first film material 112 and multiple first electrode 114, and wherein the first electrode 114 orientation is parallel to a first direction 116.Second sense film 120 comprises the second film material 122 and multiple second electrode 124, wherein the second electrode 124 orientation is parallel to a second direction 126, wherein first direction 116 and second direction 126 orthogonal each other, the first electrode 114 is also orthogonal each other with the orientation of the second electrode 124.
The material of the first film material 112 and the second film material 122 can be glass or plastic cement, and the material of the first electrode 114 and the second electrode 124 can be that transparent conductive material is as indium tin oxide (Indium Tin Oxide; Or the superfine metal pattern of live width ITO).Substrate 102 can be glass or plastic cement, and the material of diaphragm 152 can be polyethylene terephthalate (Polyethylene Terephthalate; PET) film.
Capacitance type touch-control panel 100 also comprises diaphragm 152, and it can be used as the protective layer of protection overall architecture, and covers above the second sense film 120, and tangent or maintain a gap with flexible circuit board 130.
Referring again to Fig. 4, it is the schematic diagram of capacitance type touch-control panel one embodiment of the present invention.
The first electrode 114 in figure is transverse electrode, and the second electrode 124 is longitudinal electrode.Trace signal passes through the first electrode 114 by the first connecting portion 136 of flexible circuit board 130, and between the first electrode 114 and the second electrode 124, form a uniform electric field, and when using touch control manner operation, owing to there being the contact of conductor (finger), will cause the capacitance variations in touch-control sensing region, the Received signal strength of correspondence passes by the second electrode 124 again.
First sense film 110 is greater than the length of the second sense film 120 along first direction 116 along the length of first direction 116, makes the second sense film 120 cannot cover the first sense film 110 completely.That is, the opposite end of the first electrode 114 on the first sense film 110 neither can be covered by the second sense film 120 completely.After the second sense film 120 covers the first sense film 110, global shape is roughly symmetrical.
First connecting portion 136 of flexible circuit board 130 exposes to the part of the second sense film 120 for being connected to the first sense film 110, second connecting portion 138 of flexible circuit board 130 is connected to the second sense film 120.
The purposes of flexible circuit board 130 is ditch messenger.Flexible circuit board 130 comprises L shape base material 134, extension 142, multiple the first terminal 144, multiple second terminal 146, multiple 3rd terminal 148.The first terminal 144 is arranged at the first connecting portion 136, second terminal 146 and is arranged at the second connecting portion the 138, three terminal 148 and is arranged at extension 142.And the first terminal 144, second terminal 146 and the 3rd terminal 148 are positioned at the same surface of L shape base material 134, make flexible circuit board 130 cover after on connection first sense film 110 and the second sense film 120, the first terminal 144 and the second terminal 146 can touch the first electrode 114 respectively and the second electrode 124 connects.
Flexible circuit board 130 also comprises many wires 149, as the passage of signal transmission.The first terminal 144, second terminal 146 and the 3rd terminal 148 are connected to each other by wire 149.Notably indicated in the diagram the first electrode 114, second electrode 124, the first terminal 144, second terminal 146 and wire 149 are only in order to represent connection relationship, but not actual quantity.
Capacitance type touch-control panel 100 also comprises control circuit board 150, to process touching signals and to link with the external world.The 3rd terminal 148 in control circuit board 150 and flexible circuit board 130 is connected to each other.By the flexible circuit board 130 of L shape, can be whole in the same side of substrate 102 by converging in order to the extension 142 be connected with control circuit board 150 in flexible circuit board 130, make assembling more convenient.
Capacitance type touch-control panel 100 also comprises insulating tape 154, flexible circuit board 130 can be fixed and is protected.Insulating tape 154 is placed on the kink 140 of flexible circuit board 130, and makes it fixing on substrate 102, also become safeguard procedures simultaneously and rupture because bending repeatedly causes fatigue of materials to avoid kink 140.
With reference to Fig. 5, it is the process flow diagram of capacitance type touch-control panel method for making one embodiment of the present invention.Step S10 comprises provides a substrate, then cuts a sense film base material, obtains the first sense film and the second sense film.Step S20 is for first to put on substrate by the first sense film, then by overlapped for the second sense film on the first sense film, wherein the electrode trend of the first sense film is orthogonal to the electrode trend of the second sense film.Step S30 is bent to the flexible circuit board of strip for bis-times, to obtain a L shape flexible circuit board.The L shape flexible circuit board obtained from step S30 connects with the first sense film and the second sense film by step S40 respectively.
Can learn from above embodiment, L shape flexible circuit board proposed by the invention is obtained after 2 bendings by the flexible circuit board of strip.Therefore, on the processing procedure of flexible circuit board, because original-shape is strip, typesetting utilization factor during making obtains and promotes.By L shape flexible circuit type structure, break through the flexible circuit board consumption restriction of known two thin walls laminating capacitance type touch-control panel, reduce the consumption of flexible circuit board and improve its system assembles.
Although the present invention with embodiment openly as above; so itself and be not used to limit the present invention; without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations, therefore protection scope of the present invention is when being as the criterion depending on the appending claims person of defining for those skilled in the art.
Claims (10)
1. a capacitance type touch-control panel, comprises:
One substrate;
One first sense film, arrange on the substrate, comprise one first film material and be arranged on multiple first electrodes on this first film material, wherein these first electrodes are arranged in parallel along a first direction;
One second sense film, is arranged on this first sense film, and comprise one second film material and be arranged on multiple second electrodes on this second film material, wherein these second electrodes are arranged in parallel along a second direction, and this second direction is orthogonal to this first direction; And
One flexible circuit board, comprise a strip base material, this strip base material is via forming a L shape base material after twice bending, this L shape base material has one first connecting portion be connected with this first sense film, one second connecting portion be connected with this second sense film, and connects a kink of this first connecting portion and this second connecting portion.
2. capacitance type touch-control panel as claimed in claim 1, wherein this first sense film is greater than the length of this second sense film along this first direction along the length of this first direction.
3. capacitance type touch-control panel as claimed in claim 1, wherein this strip base material comprises one first broken line and one second broken line, this strip base material bends along this first broken line and this second broken line, angle between this first broken line and this second broken line is 45 degree, makes this first connecting portion of this L shape base material be orthogonal to this second connecting portion.
4. capacitance type touch-control panel as claimed in claim 1, also comprises an insulating tape, in order to fix this kink on this substrate.
5. capacitance type touch-control panel as claimed in claim 1, also comprise a control circuit board, this flexible circuit board also comprises an extension and is connected with this control circuit board.
6. capacitance type touch-control panel as claimed in claim 5, wherein this flexible circuit board comprises the multiple the first terminals being arranged on this first connecting portion, multiple second terminals being arranged on this second connecting portion, and being arranged on multiple 3rd terminals of this extension, these the first terminals, these second terminals and these the 3rd terminals are positioned at the same surface of this strip base material.
7. capacitance type touch-control panel as claimed in claim 6, wherein these the first terminals are connected with this first sense film, these second terminals are connected with this second sense film, these the 3rd terminals are connected with this control circuit board, this flexible circuit board also comprises multiple wire, connects these the first terminals and these the second terminals to these the 3rd terminals.
8. capacitance type touch-control panel as claimed in claim 1, also comprises a diaphragm, is arranged on this second sense film.
9. a capacitance type touch-control panel, comprises:
One substrate;
One first sense film, arrange on the substrate, comprise one first film material and be arranged on multiple first electrodes on this first film material, wherein these first electrodes are arranged in parallel along a first direction;
One second sense film, be arranged on this first sense film, comprise one second film material and be arranged on multiple second electrodes on this second film material, wherein these second electrodes are arranged in parallel along a second direction, this second direction is orthogonal to this first direction, and this first sense film is greater than the length of this second sense film along this first direction along the length of this first direction; And
Two flexible circuit boards, each these flexible circuit board comprises a strip base material, this strip base material is via forming a L shape base material after twice bending, this L shape base material has one first connecting portion be connected with this first sense film, one second connecting portion be connected with this second sense film, and connect a kink of this first connecting portion and this second connecting portion, wherein these first connecting portions are in the relative both sides of this substrate, and these second connecting portions are in the same side of this substrate.
10. a method for making for capacitance type touch-control panel, comprises:
One substrate is provided;
Cut a sense film base material, to obtain one first sense film and one second sense film;
By this first sense film and this second sense film overlapped on this substrate, wherein this first sense film electrode trend be orthogonal to this second sense film electrode trend;
Secondary bends a strip flexible circuit board, to obtain a L shape flexible circuit board; And
Connect this L shape flexible circuit board and this first sense film and this second sense film.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103100856A TWI511017B (en) | 2014-01-09 | 2014-01-09 | Capacitance touch panel |
| TW103100856 | 2014-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104777949A true CN104777949A (en) | 2015-07-15 |
Family
ID=53619455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410026243.2A Pending CN104777949A (en) | 2014-01-09 | 2014-01-21 | Capacitive touch panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104777949A (en) |
| TW (1) | TWI511017B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700747A (en) * | 2016-01-08 | 2016-06-22 | 宸美（厦门）光电有限公司 | Jointing method of curved touch panel and flexible circuit board |
| CN109375807A (en) * | 2018-10-26 | 2019-02-22 | 业成科技（成都）有限公司 | The production method and touch panel of touch panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692193A (en) * | 2009-09-07 | 2010-04-07 | 苏州超联光电有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN202102394U (en) * | 2010-12-27 | 2012-01-04 | 升达科技股份有限公司 | Flexible circuit-board connecting structure for touch-control panel |
| US20120249458A1 (en) * | 2011-03-31 | 2012-10-04 | Hitachi Displays, Ltd. | Touch panel and display device with touch panel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM356177U (en) * | 2008-11-03 | 2009-05-01 | Emerging Display Tech Corp | Dual board capacitive touch panel |
| TW201029022A (en) * | 2009-01-23 | 2010-08-01 | Transtouch Technology Inc | Injection molded touch panel |
| TWM399404U (en) * | 2010-10-04 | 2011-03-01 | Ultrachip Inc | Driving module of touch-controlled panel |
| US20130206566A1 (en) * | 2012-02-15 | 2013-08-15 | Chih-Chung Lin | Capacitive touch device |
| KR101913258B1 (en) * | 2012-05-23 | 2018-10-30 | 엘지전자 주식회사 | Touch panel and display device comprising the same |
-
2014
- 2014-01-09 TW TW103100856A patent/TWI511017B/en not_active IP Right Cessation
- 2014-01-21 CN CN201410026243.2A patent/CN104777949A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692193A (en) * | 2009-09-07 | 2010-04-07 | 苏州超联光电有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN202102394U (en) * | 2010-12-27 | 2012-01-04 | 升达科技股份有限公司 | Flexible circuit-board connecting structure for touch-control panel |
| US20120249458A1 (en) * | 2011-03-31 | 2012-10-04 | Hitachi Displays, Ltd. | Touch panel and display device with touch panel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700747A (en) * | 2016-01-08 | 2016-06-22 | 宸美（厦门）光电有限公司 | Jointing method of curved touch panel and flexible circuit board |
| CN105700747B (en) * | 2016-01-08 | 2017-03-22 | 宸美（厦门）光电有限公司 | Jointing method of curved touch panel and flexible circuit board |
| CN109375807A (en) * | 2018-10-26 | 2019-02-22 | 业成科技（成都）有限公司 | The production method and touch panel of touch panel |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI511017B (en) | 2015-12-01 |
| TW201528093A (en) | 2015-07-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150715 |
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| WD01 | Invention patent application deemed withdrawn after publication |