CN105334992A - Touch screen - Google Patents
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- CN105334992A CN105334992A CN201410344884.2A CN201410344884A CN105334992A CN 105334992 A CN105334992 A CN 105334992A CN 201410344884 A CN201410344884 A CN 201410344884A CN 105334992 A CN105334992 A CN 105334992A
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- pin
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- transparency carrier
- base plate
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Abstract
The invention discloses a touch screen. The touch screen comprises a transparent substrate, a bonding layer, a touch substrate and a flexible circuit board, wherein the transparent substrate is bonded to the touch substrate through the bonding layer; a group of first electrode pins and a group of adapter pins are arranged in parallel on the transparent substrate; each adapter pin comprises a first connecting end and a second connecting end which are electrically connected with each other; the touch substrate is provided with a group of second electrode pins arranged in parallel; the flexible circuit board is arranged on the edge of the transparent substrate and electrically connected with the first electrode pins and the first connecting ends of the adapter pins of the transparent substrate; and the second electrode pins of the touch substrate are electrically connected to the corresponding second connecting ends of the adapter pins. The second connecting ends of the adapter pins of the transparent substrate increase the wire arrangement width of the transparent substrate, so that the second connecting ends of the transparent substrate are ensured to be accurately aligned to the second electrode pins of the touch substrate under the condition of giving consideration to a location tolerance of the transparent substrate and the touch substrate.
Description
Technical field
The present invention relates to a kind of touch-control structure, particularly relate to a kind of touch screen.
Background technology
At present, the electronic installation of touch screen is used to get more and more, such as mobile phone, panel computer, MP4, e-book etc.In order to obtain good display effect, touch screen develops toward the thin type structure of large scale, narrow frame gradually.In order to realize the slimming of touch screen, G1F (Glass-Film, glass-film) is generally adopted to design.The touch screen of this employing G1F design comprises face glass, the film substrate be bonded on face glass, and part is located in the flexible PCB between face glass and film substrate, and this face glass and film substrate are provided with the electrode pin be electrically connected with flexible PCB.Face glass must make electrode pin on it and flexible PCB contraposition simultaneously when being bonded in film substrate.Because the relative film substrate of face glass exists alignment tolerance, in order to ensure electrode pin can simultaneously with flexible PCB accurate contraposition, the wiring width of the electrode pin of face glass must increase, and thus reduces wiring density, is unfavorable for the quantity increasing electrode pin in limited space.Such as, flexible PCB side is located between face glass and film substrate, and its two-sided circuit pin that is provided with is to be electrically connected with the electrode pin of face glass and film substrate respectively, and in this case, the wiring density of face glass is lower.But, will inevitably the quantity of corresponding increase electrode pin when improve the touch-control sensitivity of touch screen, therefore above-mentioned touch screen design is unfavorable for the touch-control sensitivity improving touch screen.Meanwhile, flexible PCB needs the two-sided binding pin that arranges to be electrically connected with the electrode pin of face glass and film substrate respectively, thus improves the Design and manufacture difficulty of flexible PCB.
Summary of the invention
Based on this, being necessary to provide a kind of when not reducing wiring density, the touch screen of flexible PCB and transparency carrier accurate contraposition can be ensured.
A kind of touch screen, comprise transparency carrier, bonding coat, touch base plate, and flexible PCB, this transparency carrier is bonded on this touch base plate by this bonding coat, this transparency carrier is set side by side with one group of first electrode pin and one group of switching pin, each switching pin comprises one first link and one second link that are mutually electrically connected, this touch base plate is provided with one group of second electrode pin be set up in parallel, this flexible PCB is located at the edge of this transparency carrier and is electrically connected with the first electrode pin of this transparency carrier and the first link of pin of transferring, second electrode pin of this touch base plate is electrically connected at the second link of corresponding switching pin.
Wherein in an embodiment, this transparency carrier is formed with the first touch control electrode layer towards the side of this touch base plate, described first electrode pin is electrically connected this first touch control electrode layer, this touch base plate is formed with the second touch control electrode layer and described second electrode pin towards the side of this transparency carrier, described second electrode pin is electrically connected this second touch control electrode layer, this flexible PCB be formed towards the side of this transparency carrier one group first bind pin and one group second bind pin, first electrode pin of this transparency carrier and first of this flexible PCB is bound pin and is aimed at one by one and be electrically connected, second link of this switching pin and second of this flexible PCB is bound pin and is aimed at one by one and be electrically connected.
Wherein in an embodiment, described first electrode pin and this switching pin disconnected from each other and be set up in parallel, first link of described switching pin is arranged side by side and is on same straight line with described first electrode pin, and the second link of described switching pin is arranged side by side and is in the first corresponding link away from this transparency carrier edge.
Wherein in an embodiment, one lateral edges of this touch base plate is relative to this transparency carrier inside indentation one predeterminable range, to expose described switching pin and described first electrode pin, this bonding coat in a lateral edges of correspondence relative to the inside indentation of this touch base plate, to expose described second electrode pin.
Wherein in an embodiment, this touch screen also comprises the electric conductor be located between this transparency carrier and this touch base plate, and this electric conductor electrically conducts the second link of the second electrode pin of this touch base plate switching pin corresponding with on this transparency carrier.
Wherein in an embodiment, this flexible PCB is located at the lateral edges of this transparency carrier towards this touch base plate, and this electric conductor contiguous is arranged.
Wherein in an embodiment, this electric conductor is conducting resinl.
Wherein in an embodiment, this touch-screen is projection-type capacitive touch screen, and this first touch control electrode layer is inductive layer, and this second touch control electrode layer is for driving layer.
Wherein in an embodiment, this transparency carrier is glass substrate.
Wherein in an embodiment, this touch base plate is PET film.
The second link due to the switching pin of transparency carrier adds the wiring width of transparency carrier, thus when taking into account transparency carrier and touch base plate alignment tolerance, ensure transparency carrier the second link can with the second electrode pin accurate contraposition of touch base plate.Namely, when not reducing wiring density, flexible PCB and transparency carrier accurate contraposition can be ensured.
During due to binding flexible PCB, without the need to considering the alignment tolerance of transparency carrier and touch base plate.Therefore, the second binding pin without the need to increasing wiring width, thus can save wiring space.
Accompanying drawing explanation
Fig. 1 is the side view of the touch screen of an embodiment;
Fig. 2 is the perspective exploded view of touch screen shown in Fig. 1;
Fig. 3 is the partial top view of the touch screen shown in Fig. 1.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
See also Fig. 1 ~ 3, the touch screen 100 of one embodiment, it comprises transparency carrier 10, touch base plate 30, the bonding coat 50 that transparency carrier 10 is combined with touch base plate 30, is electrically connected the electric conductor 55 of transparency carrier 10 and touch base plate 30, and is electrically connected the flexible PCB 70 of transparency carrier 10.Transparency carrier 10 is by bonding coat 50 vacuum adhesion on touch base plate 30, and electric conductor 55 to be located between transparency carrier 10 and touch base plate 30 and electrically conduct transparency carrier 10 and touch base plate 30.Flexible PCB 70 is arranged at transparency carrier 10 edge and is electrically connected with transparency carrier 10, and realizes the electric connection of flexible PCB 70 and touch base plate 30 by electric conductor 55.In the present embodiment, transparency carrier 10 is glass substrate.
Transparency carrier 10 is square tabular, and it is formed with the first touch control electrode layer 11, a group and is electrically connected at this first touch control electrode layer 11 and the first electrode pin 13 for transmitting touching signals in side, and one group of switching pin 15.First electrode pin 13 is disconnected from each other and be set up in parallel with switching pin 15, the first electrode pin 13, switching pin 15 all and the first touch control electrode layer 11 interval arrange.Each in switching pin 15 includes the first link 151 and the second link 153 be electrically connected mutually.The plurality of first link 151 is arranged side by side and is on same straight line with the first electrode pin 13, and the plurality of second link 153 is arranged side by side and is in the first link 151 away from transparency carrier 10 edge.Second link 153 adds wiring width relative to the first link 151.
Touch base plate 30 is square tabular, and its side towards transparency carrier 10 is formed with the second touch control electrode layer 31 and one group and spaced second electrode pin 33 of the second touch control electrode layer 31.Second electrode pin 33 is corresponding with the second link 153 of switching pin 15 to be arranged.Touch base plate 30 is formed with inside indentation one predeterminable range of a lateral edges relative transparent substrate 10 of the second electrode pin 33, to expose the first link 151 and the first electrode pin 13 of switching pin 15.
In the present embodiment, touch screen 100 is projecting type capacitor touchscreen, and transparency carrier 10 is cover glass, and the first touch control electrode layer 11 is for being in the inductive layer of cover glass side.This transparency carrier 30 is polyethylene terephthalate (PET) film, and the second touch control electrode layer 31 is for driving layer.
Bonding coat 50 is located between transparency carrier 10 and touch base plate 30, is provided with for bonding transparency carrier 10 surface that the surface of the first touch control electrode layer 11 and touch base plate 30 are provided with the second touch control electrode layer 31.Bonding coat 50 exposes the first electrode pin 13 on transparency carrier 10 and switching pin 15.In the present embodiment, the inside indentation in side of contiguous second electrode pin 33 of bonding coat 50 this touch base plate 30 relative, to form collecting gap 53 between transparency carrier 10 and touch base plate 30.Collecting gap 53 is in transparency carrier 10 edge and communicates with the external world.Switching the second link 153 of pin 15 and the second electrode pin 33 of touch base plate 30 are exposed in collecting gap 53.Second electrode pin 33 of touch base plate 30 is corresponding with the second link 153 of the switching pin 15 of transparency carrier 10 to be arranged and is electrically connected one by one.
The edge of the contiguous bonding coat 50 of electric conductor 55 is contained in collecting gap 53, and the second link 153 of the switching pin 15 of the second electrode pin 33 of the touch base plate 30 that electrically conducts and transparency carrier 10.In the present embodiment, conduction ladder 55 is conducting resinl.
Flexible PCB 70 entirety in "T"-shaped, and is located at the lateral edges of transparency carrier 10 towards touch base plate 30.Flexible PCB 70 comprises connecting portion 71 and by the extension 73 vertically extended to form in the middle part of connecting portion 71.The contiguous bonding coat 50 of connecting portion 71 arranges and is connected on transparency carrier 10.Extension 73 convexedly stretches in transparency carrier 10 side.In the present embodiment, connecting portion 71 is away from the contiguous electric conductor 55 in side of extension 71.Connecting portion 71 have one group first to bind pin 711 away from edge's gap-forming of extension 73 and one group second bind pin 713.First binding pin 711 and second binds the side deviating from touch base plate 30 that pin 713 is in connecting portion 71, and the first electrode pin 13 aimed at respectively on transparency carrier 10 and switching pin 15.First binding pin 711 and the first electrode pin 13 are electrically connected, and the second binding pin 713 is electrically connected with the first link 151 of switching pin 15.
During assembling, transparency carrier 10 is adhered on touch base plate 30 by bonding coat 50, meanwhile, makes the second electrode pin 33 of touch base plate 30 and the second link 153 contraposition of switching pin 15.Electric conductor 55 is located in collecting gap 53, with second link 153 of corresponding conducting second electrode pin 33 with switching pin 15.It is pointed out that because the second link 153 adds wiring width, thus when can take into account transparency carrier 10 with touch base plate 30 alignment tolerance, ensure the second link 153 can with the second electrode pin 33 accurate contraposition.Namely, when not reducing wiring density, flexible PCB 70 and transparency carrier 10 accurate contraposition can be ensured.
The connecting portion 71 of flexible PCB 70 is connected on transparency carrier 10, the contraposition being electrically connected one by one of first electrode pin 13 of the first binding pin 711 on it and transparency carrier 10, the contraposition being electrically connected one by one of the first link 151 of the second binding pin 713 and the switching pin 15 of transparency carrier 10.During due to binding flexible PCB 70, without the need to considering transparency carrier 10 and the alignment tolerance of touch base plate 30, therefore second binding pin 713 without the need to increasing wiring width, thus can wiring space be saved.In addition, the first binding pin 711 and second binds the same side that pin 713 is arranged at flexible PCB 70, decreases the manufacturing process of flexible PCB 70 and can save manufacturing cost.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a touch screen, comprise transparency carrier, bonding coat, touch base plate, and flexible PCB, this transparency carrier is bonded on this touch base plate by this bonding coat, it is characterized in that, this transparency carrier is set side by side with one group of first electrode pin and one group of switching pin, each switching pin comprises one first link and one second link that are mutually electrically connected, this touch base plate is provided with one group of second electrode pin be set up in parallel, this flexible PCB is located at the edge of this transparency carrier and is electrically connected with the first electrode pin of this transparency carrier and the first link of pin of transferring, second electrode pin of this touch base plate is electrically connected at the second link of corresponding switching pin.
2. touch screen as claimed in claim 1, it is characterized in that: this transparency carrier is formed with the first touch control electrode layer towards the side of this touch base plate, described first electrode pin is electrically connected this first touch control electrode layer, this touch base plate is formed with the second touch control electrode layer and described second electrode pin towards the side of this transparency carrier, described second electrode pin is electrically connected this second touch control electrode layer, this flexible PCB be formed towards the side of this transparency carrier one group first bind pin and one group second bind pin, first electrode pin of this transparency carrier and first of this flexible PCB is bound pin and is aimed at one by one and be electrically connected, second link of described switching pin and second of this flexible PCB is bound pin and is aimed at one by one and be electrically connected.
3. touch screen as claimed in claim 1, it is characterized in that: described first electrode pin and described switching pin disconnected from each other and be set up in parallel, first link of described switching pin is arranged side by side and is on same straight line with described first electrode pin, and the second link of described switching pin is arranged side by side and is in the first corresponding link away from this transparency carrier edge.
4. touch screen as claimed in claim 1, it is characterized in that: a lateral edges of this touch base plate is relative to this transparency carrier inside indentation one predeterminable range, to expose described switching pin and described first electrode pin, this bonding coat in a lateral edges of correspondence relative to the inside indentation of this touch base plate, to expose described second electrode pin.
5. touch screen as claimed in claim 4, it is characterized in that: this touch screen also comprises the electric conductor be located between this transparency carrier and this touch base plate, this electric conductor electrically conducts the second link of the second electrode pin of this touch base plate switching pin corresponding with on this transparency carrier.
6. touch screen as claimed in claim 5, is characterized in that: this flexible PCB is located at the lateral edges of this transparency carrier towards this touch base plate, and this electric conductor contiguous is arranged.
7. touch screen as claimed in claim 5, is characterized in that: this electric conductor is conducting resinl.
8. touch screen as claimed in claim 2, it is characterized in that: this touch-screen is projection-type capacitive touch screen, this first touch control electrode layer is inductive layer, and this second touch control electrode layer is for driving layer.
9. as the touch screen in claim 1-8 as described in any one, it is characterized in that: this transparency carrier is glass substrate.
10. as the touch screen in claim 1-8 as described in any one, it is characterized in that: this touch base plate is PET film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344884.2A CN105334992B (en) | 2014-07-18 | 2014-07-18 | Touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410344884.2A CN105334992B (en) | 2014-07-18 | 2014-07-18 | Touch screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105334992A true CN105334992A (en) | 2016-02-17 |
| CN105334992B CN105334992B (en) | 2018-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410344884.2A Expired - Fee Related CN105334992B (en) | 2014-07-18 | 2014-07-18 | Touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105334992B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018119572A1 (en) * | 2016-12-26 | 2018-07-05 | 深圳市柔宇科技有限公司 | Display device, electronic device, and method of manufacturing display device |
| CN108491112A (en) * | 2018-06-04 | 2018-09-04 | 信利光电股份有限公司 | A kind of touch screen and its touch control layer |
| WO2019127161A1 (en) * | 2017-12-27 | 2019-07-04 | 深圳市柔宇科技有限公司 | Touch display screen and manufacturing method thereof, and display apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120223913A1 (en) * | 2011-03-04 | 2012-09-06 | Samsung Electronics Co. Ltd. | Touch screen panel display |
| CN202795293U (en) * | 2012-08-09 | 2013-03-13 | 比亚迪股份有限公司 | Touch screen |
| CN103853369A (en) * | 2012-12-03 | 2014-06-11 | 联胜（中国）科技有限公司 | Touch panel module and touch device thereof |
| CN203689472U (en) * | 2013-11-30 | 2014-07-02 | 东莞市平波电子有限公司 | Narrow-border touch screen with GIF structure |
| CN204028864U (en) * | 2014-07-18 | 2014-12-17 | 南昌欧菲光科技有限公司 | Touch screen |
-
2014
- 2014-07-18 CN CN201410344884.2A patent/CN105334992B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120223913A1 (en) * | 2011-03-04 | 2012-09-06 | Samsung Electronics Co. Ltd. | Touch screen panel display |
| CN202795293U (en) * | 2012-08-09 | 2013-03-13 | 比亚迪股份有限公司 | Touch screen |
| CN103853369A (en) * | 2012-12-03 | 2014-06-11 | 联胜（中国）科技有限公司 | Touch panel module and touch device thereof |
| CN203689472U (en) * | 2013-11-30 | 2014-07-02 | 东莞市平波电子有限公司 | Narrow-border touch screen with GIF structure |
| CN204028864U (en) * | 2014-07-18 | 2014-12-17 | 南昌欧菲光科技有限公司 | Touch screen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018119572A1 (en) * | 2016-12-26 | 2018-07-05 | 深圳市柔宇科技有限公司 | Display device, electronic device, and method of manufacturing display device |
| WO2019127161A1 (en) * | 2017-12-27 | 2019-07-04 | 深圳市柔宇科技有限公司 | Touch display screen and manufacturing method thereof, and display apparatus |
| CN111448539A (en) * | 2017-12-27 | 2020-07-24 | 深圳市柔宇科技有限公司 | Touch display screen, manufacturing method thereof and display device |
| CN108491112A (en) * | 2018-06-04 | 2018-09-04 | 信利光电股份有限公司 | A kind of touch screen and its touch control layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105334992B (en) | 2018-06-15 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180604 Address after: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Applicant after: O-FILM IMAGE TECHNOLOGY (GUANGZHOU) Co.,Ltd. Applicant after: Nanchang OFilm Tech. Co.,Ltd. Applicant after: Shenzhen OFilm Tech Co.,Ltd. Applicant after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Applicant before: Nanchang OFilm Tech. Co.,Ltd. Applicant before: Shenzhen OFilm Tech Co.,Ltd. Applicant before: SUZHOU OFILM TECH Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Patentee after: Guangzhou delta Imaging Technology Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Patentee before: Guangzhou delta Imaging Technology Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Patentee after: Guangzhou delta Imaging Technology Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 510000 Shenzhou Road, science and Technology Town, Guangzhou high tech Industrial Development Zone, Guangdong 7 Patentee before: O-FILM IMAGE TECHNOLOGY (GUANGZHOU) Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 Termination date: 20210718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |