CN105334992B - Touch screen - Google Patents
Touch screen Download PDFInfo
- Publication number
- CN105334992B CN105334992B CN201410344884.2A CN201410344884A CN105334992B CN 105334992 B CN105334992 B CN 105334992B CN 201410344884 A CN201410344884 A CN 201410344884A CN 105334992 B CN105334992 B CN 105334992B
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- Prior art keywords
- pin
- transparent substrate
- touch
- base plate
- electrode
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Abstract
A kind of touch screen, including transparent substrate, adhesive layer, touch base plate, and flexible PCB, the transparent substrate is bonded in by the adhesive layer on the touch base plate, one group of first electrode pin and one group of switching pin are set side by side on the transparent substrate, each switching pin includes one first connecting pin being electrically connected with each other and a second connection end, the touch base plate is equipped with one group of second electrode pin being set up in parallel, the flexible PCB is set on the edge of the transparent substrate and is electrically connected with the first connecting pin of the first electrode pin of the transparent substrate and pin of transferring, the second electrode pin of the touch base plate is electrically connected at the second connection end of corresponding switching pin.Since the second connection end of the switching pin of transparent substrate increases the wiring width of transparent substrate, so as in the case where taking into account transparent substrate and touch base plate alignment tolerance, ensure that the second connection end of transparent substrate can be with the second electrode pin accurate contraposition of touch base plate.
Description
Technical field
The present invention relates to a kind of touch-control structure, more particularly to a kind of touch screen.
Background technology
At present, it is more and more using the electronic device of touch screen, such as mobile phone, tablet computer, MP4, e-book etc..In order to
Preferable display effect is obtained, touch screen gradually develops toward the thin type structure of large scale, narrow frame.In order to realize the thin of touch screen
Type is generally designed using G1F (Glass-Film, glass-film).This touch screen using G1F designs includes glass surface
Plate, the film substrate being bonded on glass panel and part are located in the flexible circuit between glass panel and film substrate
The electrode pin being electrically connected with flexible PCB is both provided on plate, the glass panel and film substrate.Glass panel bonds
Electrode pin thereon must be made to be aligned with flexible PCB simultaneously when film substrate.Since glass panel is with respect to film substrate
There are alignment tolerance, in order to ensure electrode pin can simultaneously with flexible PCB accurate contraposition, the electrode pin of glass panel
Wiring width must increase, thus reduce wiring density, be unfavorable for the interior quantity for increasing electrode pin in a limited space.
For example, flexible PCB side is located between glass panel and film substrate, it is two-sided be equipped with circuit pin with respectively with glass
The electrode pin of glass panel and film substrate is electrically connected, and in this case, the wiring density of glass panel is relatively low.However,
The quantity of electrode pin will necessarily accordingly be increased when improving the touch-control sensitivity of touch screen, therefore the design of above-mentioned touch screen is unfavorable
In the touch-control sensitivity for improving touch screen.Meanwhile flexible PCB need two-sided setting binding pin with respectively with glass panel
And the electrode pin of film substrate is electrically connected, so as to improve the design of flexible PCB and manufacture difficulty.
Invention content
Based on this, it is necessary to provide one kind in the case where not reducing wiring density, can ensure flexible PCB with thoroughly
The touch screen of bright substrate accurate contraposition.
A kind of touch screen, including transparent substrate, adhesive layer, touch base plate and flexible PCB, which passes through
The adhesive layer is bonded on the touch base plate, and one group of first electrode pin and one group of transfer are set side by side on the transparent substrate
Foot, each switching pin include one first connecting pin being electrically connected with each other and a second connection end, which is equipped with one
The second electrode pin that group is set up in parallel, the flexible PCB are set on the edge of the transparent substrate and with the first of the transparent substrate
First connecting pin of electrode pin and pin of transferring is electrically connected, and the second electrode pin of the touch base plate is electrically connected at correspondence
Switching pin second connection end.
The side of the transparent substrate towards the touch base plate is formed with the first touch control electrode in one of the embodiments,
Layer, the first electrode pin are electrically connected first touch control electrode layer, and the touch base plate is towards the side shape of the transparent substrate
Into having second touch control electrode layer and the second electrode pin, the second electrode pin is electrically connected the second touch control electrode
Layer, the side of the flexible PCB towards the transparent substrate are formed with one group of first binding pin and one group of second binding pin,
The first electrode pin of the transparent substrate is aligned and is electrically connected one by one with the first of the flexible PCB the binding pin, the switching
The second connection end of pin is aligned and is electrically connected one by one with the second of the flexible PCB the binding pin.
The first electrode pin is disconnected from each other with the switching pin in one of the embodiments, and is set up in parallel, institute
The first connecting pin for stating switching pin is arranged side by side and is on same straight line with the first electrode pin, the switching pin
Second connection end be arranged side by side and in corresponding first connecting pin far from the transparent substrate edge.
In one of the embodiments, the one side edge of the touch base plate with respect to the transparent substrate be inwardly indented one it is default away from
From with the exposure switching pin and the first electrode pin, the adhesive layer is in corresponding one side edge with respect to the touch-control base
Plate is inwardly indented, with the exposure second electrode pin.
The touch screen, which further includes, in one of the embodiments, is located in leading between the transparent substrate and the touch base plate
Electric body, the electric conductor electrically conduct the touch base plate second electrode pin switching pin corresponding on the transparent substrate the
Two connecting pins.
The flexible PCB is set on a side of the transparent substrate towards the touch base plate in one of the embodiments,
Edge, and the neighbouring electric conductor is set.
The electric conductor is conducting resinl in one of the embodiments,.
The touch screen is projection-type capacitive touch screen in one of the embodiments, which is sensing
Layer, the second touch control electrode layer are driving layer.
The transparent substrate is glass substrate in one of the embodiments,.
The touch base plate is PET film in one of the embodiments,.
Since the second connection end of the switching pin of transparent substrate increases the wiring width of transparent substrate, so as to take into account
In the case of transparent substrate and touch base plate alignment tolerance, ensure that the second connection end of transparent substrate can be with the second of touch base plate
Electrode pin accurate contraposition.I.e. in the case where not reducing wiring density, it can ensure that flexible PCB is accurate with transparent substrate
Contraposition.
During due to binding flexible PCB, without considering the alignment tolerance of transparent substrate and touch base plate.Therefore, it second ties up
Wiring width need not be increased by determining pin, so as to save wiring space.
Description of the drawings
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 touch screen shown in FIG. 1.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
Also referring to Fig. 1~3, the touch screen 100 of an embodiment including transparent substrate 10, touch base plate 30, makes
The electric conductor of adhesive layer 50, electric connection transparent substrate 10 and touch base plate 30 that transparent substrate 10 is combined with touch base plate 30
55 and be electrically connected transparent substrate 10 flexible PCB 70.Transparent substrate 10 is by 50 vacuum adhesion of adhesive layer in touch-control
On substrate 30, electric conductor 55 is located between transparent substrate 10 and touch base plate 30 and electrically conduct transparent substrate 10 and touch-control base
Plate 30.Flexible PCB 70 is set to 10 edge of transparent substrate and is electrically connected with transparent substrate 10, and it is real to pass through electric conductor 55
The electric connection of existing flexible PCB 70 and touch base plate 30.In the present embodiment, transparent substrate 10 is glass substrate.
Transparent substrate 10 is rectangular plate, is formed with 11, one groups of the first touch control electrode layer in side and is electrically connected at this
First touch control electrode layer 11 and the first electrode pin 13 and one group of switching pin 15 for being used for transmission touching signals.First electrode
Pin 13 is disconnected from each other with switching pin 15 and is set up in parallel, and first electrode pin 13, switching pin 15 are electric with the first touch-control
Pole layer 11 is arranged at intervals.Each first connecting pin 151 and second for including being electrically connected mutually in switching pin 15 connects
Connect end 153.Multiple first connecting pin 151 is arranged side by side and is on same straight line with first electrode pin 13, and multiple the
Two connecting pins 153 are arranged side by side and in the first connecting pin 151 far from 10 edge of transparent substrate.Second connection end 153 is opposite
Wiring width is increased in the first connecting pin 151.
Touch base plate 30 is rectangular plate, and second touch control electrode layer 31 and one is formed with towards the side of transparent substrate 10
Group and 31 spaced second electrode pin 33 of second touch control electrode layer.Second electrode pin 33 and the second of switching pin 15
Connecting pin 153 is correspondingly arranged.The one side edge relative transparent substrate 10 that touch base plate 30 is formed with second electrode pin 33 is inside
A pre-determined distance is retracted, with exposure switching the first connecting pin 151 of pin 15 and first electrode pin 13.
In the present embodiment, touch screen 100 be projection-type capacitive touch screen, transparent substrate 10 be protective glass, first
Touch control electrode layer 11 is the inductive layer in protective glass side.The touch base plate 30 is polyethylene terephthalate (PET)
Film, second touch control electrode layer 31 are driving layer.
Adhesive layer 50 is located between transparent substrate 10 and touch base plate 30, is touched for bonding transparent substrate 10 equipped with first
It controls the surface of electrode layer 11 and touch base plate 30 is equipped with the surface of second touch control electrode layer 31.Adhesive layer 50 exposes transparent substrate
First electrode pin 13 and switching pin 15 on 10.In the present embodiment, adhesive layer 50 is neighbouring with respect to the touch base plate 30
The side of second electrode pin 33 is inwardly indented, to form receiving gap 53 between transparent substrate 10 and touch base plate 30.It receives
Hold gap 53 to be in 10 edge of transparent substrate and communicate with the external world.The second connection end 153 of pin 15 of transferring and touch-control base
The second electrode pin 33 of plate 30 is exposed in receiving gap 53.The second electrode pin 33 of touch base plate 30 and transparent substrate 10
The second connection end 153 of switching pin 15 be correspondingly arranged and be electrically connected one by one.
Electric conductor 55 is contained in adjacent to the edge of adhesive layer 50 in receiving gap 53, and the of the touch base plate 30 that electrically conducts
The second connection end 153 of two electrode pins 33 and the switching pin 15 of transparent substrate 10.In the present embodiment, electric conductor 55 is
Conducting resinl.
Flexible PCB 70 is whole " T " shape, and set on one side edge of the transparent substrate 10 towards touch base plate 30.It is flexible
Circuit board 70 includes connecting portion 71 and extends vertically the extension 73 formed by 71 middle part of connecting portion.The neighbouring bonding of connecting portion 71
Layer 50 sets and is connected on transparent substrate 10.Extension 73 convexedly stretches in 10 side of transparent substrate.In the present embodiment, it connects
Side of the portion 71 far from extension 73 is adjacent to electric conductor 55.Edge interval of the connecting portion 71 far from extension 73 is formed with one group
First binding pin 711 and one group of second binding pin 713.First binding pin 711 and second binds pin 713 and is in connection
Portion 71 away from the side of touch base plate 30, and the first electrode pin 13 being respectively aligned on transparent substrate 10 with switching pin
15.First binding pin 711 is electrically connected with first electrode pin 13, the second binding pin 713 and the first of switching pin 15
Connecting pin 151 is electrically connected.
During assembling, transparent substrate 10 is adhered to by adhesive layer 50 on touch base plate 30, simultaneously so that touch base plate 30
Second electrode pin 33 and transfer pin 15 second connection end 153 align.Electric conductor 55 is set in receiving gap 53, with
The second connection end 153 of corresponding conducting second electrode pin 33 and switching pin 15.It should be pointed out that due to second connection end
153 increase wiring width, in the case of taking into account transparent substrate 10 and 30 alignment tolerance of touch base plate, ensure second
It connecting pin 153 can be with 33 accurate contraposition of second electrode pin.I.e. in the case where not reducing wiring density, it can ensure flexible electrical
Road plate 70 and 10 accurate contraposition of transparent substrate.
The connecting portion 71 of flexible PCB 70 is connected on transparent substrate 10, thereon first binding pin 711 with thoroughly
The first electrode pin 13 of bright substrate 10 is aligned and is electrically connected one by one, the switching of the second binding pin 713 and transparent substrate 10
First connecting pin 151 of pin 15 aligns and is electrically connected one by one.During due to binding flexible PCB 70, without considering transparent base
The alignment tolerance of plate 10 and touch base plate 30, therefore the second binding pin 713 need not increase wiring width, so as to save cloth
Space of lines.In addition, the first binding pin 711 and second binds the same side that pin 713 is set to flexible PCB 70, reduce
The manufacturing process of flexible PCB 70 can simultaneously save manufacture cost.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of touch screen, including transparent substrate, adhesive layer, touch base plate and flexible PCB, which passes through this
Adhesive layer is bonded on the touch base plate, which is characterized in that be set side by side on the transparent substrate one group of first electrode pin and
One group of switching pin, each switching pin include one first connecting pin being electrically connected with each other and a second connection end, the touch-control
Substrate is equipped with one group of second electrode pin being set up in parallel, which is set on the edge of the transparent substrate and transparent with this
First connecting pin of the first electrode pin of substrate and pin of transferring is electrically connected, and the second electrode pin of the touch base plate is electrical
It is connected to the second connection end of corresponding switching pin；
The flexible PCB is integrally " T " shape, and set on one side edge of the transparent substrate towards the touch base plate, institute
It states flexible PCB and includes connecting portion and by extending vertically the extension formed in the middle part of the connecting portion, the connecting portion is neighbouring
The adhesive layer sets and is connected on the transparent substrate, and the extension convexedly stretches in the transparent substrate side.
2. touch screen as described in claim 1, it is characterised in that：The side of the transparent substrate towards the touch base plate is formed with
First touch control electrode layer, the first electrode pin are electrically connected first touch control electrode layer, and the touch base plate is transparent towards this
The side of substrate is formed with second touch control electrode layer and the second electrode pin, the second electrode pin be electrically connected this
Two touch control electrode layers, the side of the flexible PCB towards the transparent substrate are formed with one group of first binding pin and one group second
Pin is bound, the first electrode pin of the transparent substrate with the first of the flexible PCB the binding pin is aligned and electrically connects one by one
It connects, the second connection end of the switching pin is aligned and is electrically connected one by one with the second of the flexible PCB the binding pin.
3. touch screen as described in claim 1, it is characterised in that：The first electrode pin divides mutually with the switching pin
From and be set up in parallel, it is described switching pin the first connecting pin be arranged side by side and be in same straight line with the first electrode pin
On, the second connection end of the switching pin is arranged side by side and in corresponding first connecting pin far from the transparent substrate edge
Place.
4. touch screen as described in claim 1, it is characterised in that：The one side edge of the touch base plate with respect to the transparent substrate to
One pre-determined distance of interior retraction, with the exposure switching pin and the first electrode pin, the adhesive layer is in corresponding a side
Edge is inwardly indented with respect to the touch base plate, with the exposure second electrode pin.
5. touch screen as claimed in claim 4, it is characterised in that：The touch screen further include be located in the transparent substrate with this touch
Control substrate between electric conductor, the electric conductor electrically conduct the touch base plate second electrode pin it is corresponding on the transparent substrate
Switching pin second connection end.
6. touch screen as claimed in claim 5, it is characterised in that：The flexible PCB is set on the transparent substrate towards the touch-control
The one side edge of substrate, and the neighbouring electric conductor is set.
7. touch screen as claimed in claim 5, it is characterised in that：The electric conductor is conducting resinl.
8. touch screen as claimed in claim 2, it is characterised in that：The touch screen be projection-type capacitive touch screen, this first touch
Control electrode layer is inductive layer, which is driving layer.
9. the touch screen as described in any one in claim 1-8, it is characterised in that：The transparent substrate is glass substrate.
10. the touch screen as described in any one in claim 1-8, it is characterised in that：The 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 CN105334992A (en) | 2016-02-17 |
| CN105334992B true 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) |
Families Citing this family (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 |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101694429B1 (en) * | 2011-03-04 | 2017-01-10 | 삼성전자주식회사 | Touch screen panel display |
-
2014
- 2014-07-18 CN CN201410344884.2A patent/CN105334992B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105334992A (en) | 2016-02-17 |
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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. |
|
| 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 |