CN103927039A - Flexible circuit board, touch panel and display with touch function - Google Patents
Flexible circuit board, touch panel and display with touch function Download PDFInfo
- Publication number
- CN103927039A CN103927039A CN201310244678.XA CN201310244678A CN103927039A CN 103927039 A CN103927039 A CN 103927039A CN 201310244678 A CN201310244678 A CN 201310244678A CN 103927039 A CN103927039 A CN 103927039A
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- touch
- flexible pcb
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- control electrode
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 13
- 239000011521 glass Substances 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The invention provides a flexible circuit board, a touch panel and a display with a touch function. The flexible circuit board comprises a key area provided with a touch electrode and a transmission area used for providing signals for an external circuit. The touch panel includes a flexible circuit board as previously described. The display includes a touch panel as described above, and the transmission region is bent around an edge of the display panel. According to the invention, the touch electrode is directly formed on the main FPC, so that the additional manufacturing and attaching processes of the independent FPC for realizing the touch function can be reduced, and the process and the structure are simplified. Furthermore, a transmission area connected to an external circuit on the FPC is separated from a key area for realizing a touch function, so that the risk of breaking the FPC caused by bending the FPC can be reduced.
Description
Technical field
The present invention relates to touch field.Relate in particular to a kind of flexible PCB, the touch pad with described flexible PCB and the display with touch function.
Background technology
Current, in existing integrated form touch-screen, about how realizing touch controllable function, the design that completes touch signal transmission mainly contains two kinds of modes: one, directly be made in the top glass substrate (color membrane substrates) of display panel touching figure, and virtual key is set directly on this touch figure, realize touch controllable function by the touch figure that touches this virtual key and correspondence; Its two, do separately one for transmitting the flexible PCB (flexible printed circuit, FPC) of touch signal, be then attached on the cover plate (cover lens) of integrated form touch-screen.For the first scheme, because general touch figure is the top glass substrate that is made in display panel, namely color film (color filter, CF) on substrate, therefore, adopt in this way, can directly increase the length of top glass substrate, therefore the length of whole demonstration module increased, run counter to the lightening development trend of existing integrated form touch-screen.If but adopting existing first scheme, touch figure is arranged to one, and independently FPC is upper, although do not affect the size of whole demonstration module itself, can increase manufacturing cost; And in manufacturing process, also need to increase extra, virtual key is attached to the attachment process on cover plate, and by this technique of FPC and main FPC welding independently, and the bad signal that easily causes of welding technology transmits the problem opening circuit.
Summary of the invention
In view of this, the invention provides a kind of flexible PCB, touch pad and the display with touch function.
Particularly, a kind of flexible PCB provided by the invention, described flexible PCB comprises: key zone, described key zone is provided with touch-control electrode; Transmission range, described transmission range is for providing signal to external circuit.
The present invention also provides a kind of touch pad, comprises foregoing flexible PCB.
The present invention also provides a kind of display with touch function, comprises display panel, and described display comprises foregoing touch pad, and described transmission range is around the bending of the edge of described display panel.
It is upper that touch-control electrode is set directly at main FPC by the present invention, can reduce making and the attachment process of independent FPC extra, that realize touch controllable function, simplifies technique and structure.
Further, the transmission range that is connected to external circuit (for example pcb board) on FPC is separated to the risk that the FPC bringing can reduce FPC bending time fractures with the key zone of realizing touch controllable function.
Brief description of the drawings
Fig. 1 is the schematic top plan view of flexible PCB described in embodiment mono-;
Fig. 2 is the side view of flexible PCB described in embodiment mono-;
Fig. 3 is the schematic top plan view of the flexible PCB that further provides of embodiment mono-;
Fig. 4 is the schematic diagram of the another kind of flexible PCB that provides of embodiment mono-;
Fig. 5 is the structural representation of the touch pad that provides of embodiment bis-;
Fig. 6 is the structural representation of the display with touch function that provides of embodiment bis-.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Set forth in the following description a lot of details so that fully understand the present invention, implemented but the present invention can also adopt other to be different from alternate manner described here, therefore the present invention is not subject to the restriction of following public specific embodiment.
Embodiment mono-
The present embodiment provides a kind of flexible PCB, and as shown in Figure 1 and Figure 2, described flexible PCB comprises that described flexible PCB comprises: key zone, and described key zone is provided with touch-control electrode; Transmission range, described transmission range is for providing signal to external circuit.The external circuit here can be any circuit, is preferably PCB(printed circuit board) plate, for and described flexible PCB between communicate and the transmission of signal.
Described touch-control electrode is positioned at the key zone 11 of described flexible PCB, has substituted in prior art touch-control electrode is positioned to top glass substrate, therefore avoids causing top glass substrate and the long problem of whole module length; Save again simultaneously and in another prior art, first will be separately a touch-control FPC, then by the operation steps that described touch-control FPC and main FPC weld, avoided failure welding and cause the problem opening circuit.
Further, with reference to figure 1, in the situation that keeping key zone 11 to be left intact, transmission range 12 can bend, realize communicating by letter between external circuit by the multiple liners 121 in transmission range 12, both signal can be passed to external circuit by multiple liners 121, also can the signal of external circuit be imported in described flexible PCB by multiple liners 121.Because transmission range 12 separates with key zone 11, therefore transmission range 12 can be bent, be connected to external circuit interface, and keep key zone 11 still not bend to realize touch controllable function, can reduce like this risk that the FPC that brings when described flexible PCB suddenly bends fractures.
Further, referring to Fig. 3, key zone 11 is provided with hollow out region 111, and touch-control electrode 112 is arranged around hollow out region 111.When described hollow out region 111 makes to touch, light can pass from this piece region, thereby illuminates with hollow out region 111 and touch-control electrode 112 positions along key icon corresponding to printing opacity direction.Wherein, described key icon, as shown in Figure 1, comprises the schematic icon 20 with deixis, for example Menu key, return key, major key, and described key icon 20 is formed at the surface of external substrate.Because touch-control electrode 112 does not occupy the hollow out region 111 for printing opacity, therefore touch-control electrode 112 can be transparent electrode, can be also opaque electrode.
It should be noted that, only show the mode that a kind of touch-control electrode 112 is arranged around hollow out region 111 in Fig. 3, can be multiple concrete arranging in reality, and the concrete example that should not provide with Fig. 3 is limited.
Certainly, while touch for reaching generation described above, the object that key icon can be illuminated, described flexible PCB also can itself be just made up of transparent material.Like this, because whole flexible PCB is all transparent, not needing described flexible PCB hollow out, is also that described flexible PCB does not exist hollow out region, and in the time occurring to touch, light can penetrate transparent flexible PCB, illuminates key icon.Now, when the touch-control electrode in key zone is not positioned at described key icon correspondence position in printing opacity direction, can adopt transparent or opaque electrode; If but described touch-control electrode is while being positioned at the position corresponding with described key icon along printing opacity direction, in order not block the printing opacity of described key icon, described touch-control electrode preferably adopts transparency electrode.
In addition, transmission range 12 can be positioned at the central area of described flexible PCB, as shown in Fig. 1 or Fig. 3, also can be positioned at the fringe region of described flexible PCB, as shown in Figure 4.
Embodiment bis-
The present embodiment provides a kind of touch pad, comprises in above-described embodiment the flexible PCB described in any one.Described touch pad can be realized touch controllable function, can reduce again the risk that the FPC that brings when flexible PCB that it comprises suddenly bends fractures simultaneously.
Further, as shown in Figure 5, described touch pad also comprises a cover plate 31, and the key zone of described flexible PCB fits in the side 301 of cover plate 31 towards described flexible PCB by double sticky tape.In conjunction with reference to figure 1, Fig. 3, cover plate 31 inner sides 301 have in key icon 20(Fig. 5 not shown corresponding to the position of touch-control electrode 112).Touch action is carried out in the position that can show according to key icon 20 like this, thereby realizes touch controllable function.Wherein, described key icon 20 can be formed on the inner side 301 of described cover plate 31 by the mode of silk-screen.Described inner side refers to the surface of cover plate 31 towards described flexible PCB one side.
Further, the present embodiment also provides a kind of display with touch function, as shown in Figure 6, described display comprises display panel 41, above-mentioned arbitrary touch pad, the transmission range 12 of described touch pad is around the bending of the edge of display panel 41, be used for being connected to external circuit, for example pcb board (not shown in Fig. 6).Wherein, the key zone 11 of described touch pad is attached at the inner side of the cover plate 31 of described touch pad.In addition, display panel 41 receives the signal from described flexible PCB by the signal pad of the shown multiple adjacent arrangements of rectangular broken line in Fig. 1, to drive display panel 41 to work.In Fig. 6, schematically show the contact position 13 of display panel 41 and described signal pad.
The display that the present embodiment provides, is formed directly into FPC by touch-control electrode upper, can reduce making and the attachment process of independent FPC extra, that realize touch controllable function, simplifies technique and structure.Further, the transmission range that is connected to external circuit (for example pcb board) on FPC is separated with the key zone of realizing touch controllable function, described transmission range 12 can be bent around the edge of display panel 41, the risk that the FPC bringing can reduce FPC bending time fractures.
Display panel described in the present embodiment can be display panels, comprise CF substrate, and the TFT(thin film transistor that is oppositely arranged of described CF substrate) substrate and be mixed in the liquid crystal layer between described CF substrate and TFT substrate.Now, described display can further include a back light unit, for providing backlight to described display panel.The present embodiment not kind to described back light unit and concrete structure limits.Now, the transmission range 12 of described touch pad also can be around the two the overall edge bending of display panel 41 and described back light unit.Certainly, described display panel can be also OLED(organic light emitting display) panel, Electronic Paper (e-paper) etc. does not need the panel of back light unit.It should be noted that, in Fig. 6, only schematically show display panel 41, not according to the concrete structure of the kind refinement of concrete display panel, therefore should not show and be limited with Fig. 6.
Further, display panel 41 comprises multiple electrodes, preferably, the touch-control electrode of described touch pad and the electrode of display panel 41 (not shown in Fig. 6) common drive line or the line of induction, or the touch-control electrode of described touch pad and the electrode of described display panel 41 independently use drive wire or the line of induction separately.Also, drive wire or the line of induction of providing the cabling of signal can be used to the double touch-control electrode that does described touch pad to the electrode of display panel 41, access IC(integrated circuit, integrated circuit) same port.Certainly, can be also that the electrode of display panel 41 adopts independently a set of cabling to transmit corresponding signal, a port of access IC; And the touch-control electrode of described touch pad adopts another set of independently cabling as drive wire or the line of induction, another port of access IC.
It should be noted that, above embodiment can use for reference mutually, Integrated using.Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement to make possible variation and amendment to technical solution of the present invention; therefore; every content that does not depart from technical solution of the present invention; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a flexible PCB, is characterized in that, described flexible PCB comprises:
Key zone, described key zone is provided with touch-control electrode;
Transmission range, described transmission range is for providing signal to external circuit.
2. flexible PCB as claimed in claim 1, is characterized in that, described key zone is provided with hollow out region, and described touch-control electrode is arranged around described hollow out region.
3. flexible PCB as claimed in claim 1, is characterized in that, described flexible PCB is made up of transparent material.
4. flexible PCB as claimed in claim 3, is characterized in that, described touch-control electrode is transparency electrode.
5. flexible PCB as claimed in claim 1, is characterized in that, described transmission range is positioned at central area or the fringe region of described flexible PCB.
6. a touch pad, comprises the flexible PCB as described in any one claim in claim 1-5.
7. touch pad as claimed in claim 6, is characterized in that, described touch pad also comprises a cover plate, and the key zone of described flexible PCB fits in the side of described cover plate towards described flexible PCB by double sticky tape.
8. touch pad as claimed in claim 7, is characterized in that, described cover plate inner side has key icon corresponding to the position of described touch-control electrode.
9. the display with touch function, comprises display panel, it is characterized in that, described display comprises touch pad as claimed in claim 6, and described transmission range is around the bending of the edge of described display panel.
10. display as claimed in claim 9, is characterized in that, described display panel comprises multiple electrodes, the touch-control electrode of described touch pad and electrode common drive line or the line of induction of described display panel,
Or the touch-control electrode of described touch pad and the electrode of described display panel independently use drive wire or the line of induction separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310244678.XA CN103927039B (en) | 2013-06-19 | 2013-06-19 | Flexible circuit board, touch panel and display with touch function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310244678.XA CN103927039B (en) | 2013-06-19 | 2013-06-19 | Flexible circuit board, touch panel and display with touch function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103927039A true CN103927039A (en) | 2014-07-16 |
| CN103927039B CN103927039B (en) | 2017-06-27 |
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| CN201310244678.XA Active CN103927039B (en) | 2013-06-19 | 2013-06-19 | Flexible circuit board, touch panel and display with touch function |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090686A (en) * | 2014-08-01 | 2014-10-08 | 金龙机电（东莞）有限公司 | Touch screen and touch screen device |
| CN104360768A (en) * | 2014-11-10 | 2015-02-18 | 京东方科技集团股份有限公司 | Touch display module and electronic display product |
| CN104378911A (en) * | 2014-11-26 | 2015-02-25 | 河源中光电通讯技术有限公司 | Improved flexible circuit board of mobile phone display screen |
| CN104580600A (en) * | 2015-01-08 | 2015-04-29 | 惠州Tcl移动通信有限公司 | Mobile terminal flexible circuit board and wiring method thereof |
| CN104714697A (en) * | 2015-03-31 | 2015-06-17 | 信利光电股份有限公司 | Display equipment, OGS touch screen and cover plate glass thereof |
| WO2016090884A1 (en) * | 2014-12-12 | 2016-06-16 | 京东方科技集团股份有限公司 | Display device |
| CN106293292A (en) * | 2016-07-29 | 2017-01-04 | 武汉华星光电技术有限公司 | A kind of mobile device |
| CN106953628A (en) * | 2017-03-08 | 2017-07-14 | 深圳市帝晶光电科技有限公司 | A kind of novel touch screen button design method |
| CN107968099A (en) * | 2014-08-30 | 2018-04-27 | 乐金显示有限公司 | Flexible display apparatus and its manufacture method including the distribution with strengthening part |
| CN110164913A (en) * | 2018-09-11 | 2019-08-23 | 京东方科技集团股份有限公司 | A kind of display module and preparation method thereof, display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104090686A (en) * | 2014-08-01 | 2014-10-08 | 金龙机电（东莞）有限公司 | Touch screen and touch screen device |
| CN107993983B (en) * | 2014-08-30 | 2019-07-26 | 乐金显示有限公司 | Flexible display |
| CN107993983A (en) * | 2014-08-30 | 2018-05-04 | 乐金显示有限公司 | Flexible display apparatus and its manufacture method including the distribution with strengthening part |
| CN107968099A (en) * | 2014-08-30 | 2018-04-27 | 乐金显示有限公司 | Flexible display apparatus and its manufacture method including the distribution with strengthening part |
| JP2017537418A (en) * | 2014-11-10 | 2017-12-14 | 京東方科技集團股▲ふん▼有限公司Ｂｏｅ Ｔｅｃｈｎｏｌｏｇｙ Ｇｒｏｕｐ Ｃｏ．，Ｌｔｄ． | Touch display module and electronic display product |
| CN104360768A (en) * | 2014-11-10 | 2015-02-18 | 京东方科技集团股份有限公司 | Touch display module and electronic display product |
| WO2016074369A1 (en) * | 2014-11-10 | 2016-05-19 | 京东方科技集团股份有限公司 | Touch display module and electronic display product |
| US10216301B2 (en) | 2014-11-10 | 2019-02-26 | Boe Technology Group Co., Ltd. | Touch display module and electronic display product |
| CN104360768B (en) * | 2014-11-10 | 2018-02-13 | 京东方科技集团股份有限公司 | Touch-control display module and electronical display product |
| KR101788489B1 (en) * | 2014-11-10 | 2017-10-19 | 보에 테크놀로지 그룹 컴퍼니 리미티드 | Touch display module and electronic display product |
| CN104378911A (en) * | 2014-11-26 | 2015-02-25 | 河源中光电通讯技术有限公司 | Improved flexible circuit board of mobile phone display screen |
| US10042460B2 (en) | 2014-12-12 | 2018-08-07 | Boe Technology Group Co., Ltd. | Display device with flexible circuit board extended to be interposed between light guiding film buttons and display panel |
| WO2016090884A1 (en) * | 2014-12-12 | 2016-06-16 | 京东方科技集团股份有限公司 | Display device |
| CN104580600A (en) * | 2015-01-08 | 2015-04-29 | 惠州Tcl移动通信有限公司 | Mobile terminal flexible circuit board and wiring method thereof |
| CN104714697A (en) * | 2015-03-31 | 2015-06-17 | 信利光电股份有限公司 | Display equipment, OGS touch screen and cover plate glass thereof |
| CN104714697B (en) * | 2015-03-31 | 2018-09-07 | 信利光电股份有限公司 | A kind of display equipment, OGS touch screen and its cover-plate glass |
| CN106293292A (en) * | 2016-07-29 | 2017-01-04 | 武汉华星光电技术有限公司 | A kind of mobile device |
| CN106953628A (en) * | 2017-03-08 | 2017-07-14 | 深圳市帝晶光电科技有限公司 | A kind of novel touch screen button design method |
| CN110164913A (en) * | 2018-09-11 | 2019-08-23 | 京东方科技集团股份有限公司 | A kind of display module and preparation method thereof, display device |
| CN110164913B (en) * | 2018-09-11 | 2021-04-30 | 京东方科技集团股份有限公司 | Display module, manufacturing method thereof and display device |
| US11282912B2 (en) | 2018-09-11 | 2022-03-22 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display module, method for manufacturing the same, and display device |
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| CN103927039B (en) | 2017-06-27 |
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