CN207458010U - Touch device and its touch control component - Google Patents
Touch device and its touch control component Download PDFInfo
- Publication number
- CN207458010U CN207458010U CN201721280462.9U CN201721280462U CN207458010U CN 207458010 U CN207458010 U CN 207458010U CN 201721280462 U CN201721280462 U CN 201721280462U CN 207458010 U CN207458010 U CN 207458010U
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- Prior art keywords
- touch
- control component
- touch control
- vacancy section
- pin
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Abstract
The utility model is related to a kind of touch device and its touch control components.The touch control component, including：Touch-control body, the touch-control body includes binding area and multiple pins in the binding area, multiple pins are intervally arranged；Protective film, on the touch-control body, the protective film corresponds to the part in binding area in vacancy section vacancy section, the vacancy section have it is multiple for conducting particles by opening.When above-mentioned touch control component is electrically connected using ACF with flexible PCB, the conducting particles in ACF can be turned on by opening with pin.And since vacancy section covers binding area, there is no differences in height, can be to avoid the inclined situation of pressure head occur, the enough conducting particles being effectively ensured in ACF turn on touch control component and flexible PCB after being pressed, therefore above-mentioned touch control component has the characteristics that electric connection is stablized.
Description
Technical field
The utility model is related to technical field of touch control, more particularly to a kind of touch device and its touch control component.
Background technology
The binding area of touch control component generally includes multiple pins being intervally arranged, in order to insulate, prevent steam, prevent circuit
At least one of scratch etc., the surface for being usually chosen in touch control component sets protective film (passivation).As shown in Figure 1,
Touch control component 10 includes touch-control body 100 and the protective film 200 on touch-control body 100, is offered on protective film 200 for drawing
The groove 210 that foot 110 exposes, groove 210 is u-shaped, and the inner wall of groove 210 includes slot bottom 212 and two madial walls 214.
The slot bottom 212 of groove 210 is located on pin 110 namely 200 covering part pin 110 of protective film.
Touch-control group is subsequently being connected using anisotropy conductiving glue layer (Anisotropic Conductive Film, ACF)
When part 10 is with flexible PCB, first ACF is set between touch control component 10 and flexible PCB, then pressure head declines, and is exposing
Pin 110 on form impression so that the rupture of conducting particles in ACF, so as to fulfill the structure of vertical conducting, lateral isolation.
And due to 200 covering part pin 110 of protective film, cause what the region covered by protective film 200 was covered with unprotected film 200
Region (i.e. 212 both sides of slot bottom) is there are difference in height, in pressing, because pressing deviation, if pressure head is partly pressed in slot bottom 212
On, difference in height can cause the pressure head of abutted equipment to tilt, and then width of the impression of pressure head on pin 110 is caused to become smaller.It is false
If the length of the pin 110 exposed is 0.8mm, during perfect condition, pressure head is just pressed in the exposed portion on pin 110, energy
Enough meeting subsistence level has the ACF of 0.7mm wide by pressing so that the specification requirement of sufficiently conductive particle conducting.And in actual conditions
In, since 212 both sides of slot bottom are there are difference in height, when head misalignment, causes pressure head to tilt, and causes width of the impression on pin 110
Specification requirement is not achieved in only 0.2mm, causes number of the rupture for the conducting particles of conducting very few, there is electric connection not
Stable hidden danger.
Utility model content
Based on this, it is necessary to provide a kind of touch device and its touch control component for being electrically connected stabilization.
A kind of touch control component, including：
Touch-control body, the touch-control body include binding area and multiple pins in the binding area, Duo Gesuo
Pin is stated to be intervally arranged；And
Protective film, on the touch-control body, the protective film corresponds to the part in the binding area in vacancy section, described
Vacancy section tool it is multiple for conducting particles by opening.
When above-mentioned touch control component is electrically connected using ACF with flexible PCB, the conducting particles in ACF can pass through opening
It is turned on pin.And since vacancy section covers binding area, there is no difference in height, can to avoid the inclined situation of pressure head occurs,
The enough conducting particles being effectively ensured in ACF turn on touch control component and flexible PCB, therefore above-mentioned touch-control group after being pressed
Part, which has the characteristics that be electrically connected, to be stablized.
In one of the embodiments, the pin includes connected bound segments and extended segment, the protective film further include
The main part being connected with the vacancy section, the vacancy section cover the bound segments, and the main part covers the extended segment.Such as
This, can expose to avoid the extended segment of pin, and cannot be protected by protective film.
In one of the embodiments, the thickness of the vacancy section is less than the diameter of the conducting particles, in this way, can be true
It protects after conducting particles is pressed and turns on touch control component and flexible PCB.
In one of the embodiments, the thickness of the vacancy section is less than 10 μm, this thickness is generally less than ACF conducting particles
Grain size, it is ensured that conducting particles turns on touch control component and flexible PCB after being pressed.
In one of the embodiments, the opening is through hole, and the minimum diameter in the opening all directions is described
1.2~2 times of the diameter of conducting particles.In this way, can cause opening that there is larger area, ensure that enough conducting particles lead to
Cross opening so that the pin of touch control component and the golden finger of flexible PCB stablize conducting.
In one of the embodiments, the vacancy section includes a plurality of lines, and a plurality of lines are cross-linked to form net
Lattice and the opening in the grid.In this way, convenient for forming opening.
In one of the embodiments, the vacancy section includes multiple padded parts being intervally arranged, and the opening is adjacent
Region between two padded parts.In this way, can cause opening that there is larger area, ensure enough conducting particles
Pass through opening so that the pin of touch control component and the golden finger of flexible PCB stablize conducting.
In one of the embodiments, a part of padded part is padded described in another part between the pin
Part is located on the pin.Padded part is avoided to occupy the position of pin, so that pin has more be used for and flexible electrical
The area of the golden finger conducting of road plate.
In one of the embodiments, the padded part includes a plurality of lines, and a plurality of lines are cross-linked to form net
Lattice not only can guarantee that conducting particles sufficiently turned on touch control component and flexible PCB after sufficiently being pressed, but also prevent well
The inclination of pressure head in technique.
A kind of touch device, including：
Touch control component described in any of the above-described embodiment；
Flexible PCB is bound to the binding area of the touch-control body；And
Anisotropy conductiving glue layer, between the flexible PCB and the touch-control body.
Description of the drawings
Fig. 1 is the structure diagram of traditional touch control component；
Fig. 2 is the structure diagram of the touch device of an embodiment；
Fig. 3 is the structure diagram of the touch-control body in Fig. 2；
Fig. 4 is the structure diagram of the touch control component in Fig. 2；
Fig. 5 is the partial enlarged view at A in Fig. 4；
Fig. 6 is the partial enlarged view in a binding area in Fig. 5；
Fig. 7 is the structure diagram of the touch control component of another embodiment；
Fig. 8 is the structure diagram of prismatic grid；
Fig. 9 is the structure diagram of regular hexagonal cell；
Figure 10 is the structure diagram of irregular grid；
Figure 11 is the structure diagram of the touch control component of another embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings and touch device and its touch control component is further described in specific embodiment.
As shown in Figures 2 and 3, the touch device 20 of an embodiment include touch control component 22, flexible PCB 24 and
Connect the ACF 26 of touch control component 22 and flexible PCB 24.
As shown in Fig. 4, Fig. 5 and Fig. 6, touch control component 22 includes touch-control body 300 and protective film 400.Touch-control body 300
Including binding area 302, binding area 302 is equipped with multiple pins 310 being intervally arranged.In the present embodiment, touch control component 22 wraps
Include two binding areas 302.Protective film 400 is arranged on touch-control body 300, specifically, in the present embodiment, protective film 400
It is dimensioned slightly smaller than the size of touch-control body 300.Protective film 400 corresponds to the part in binding area 302 in vacancy section 410, vacancy section 410
With it is multiple for conducting particles by opening 412.
When above-mentioned touch control component 22 is electrically connected using ACF with flexible PCB, the conducting particles in ACF can be by opening
Mouth 412 is turned on pin 310.And since the part that protective film 400 corresponds to binding area 302 is in vacancy section 410 namely vacancy section
410 covering binding areas 302, there is no differences in height, can be effectively ensured enough in ACF to avoid the inclined situation of pressure head occurs
More conducting particles turns on touch control component 22 and flexible PCB 24 after being pressed.Therefore above-mentioned touch control component 22, which has, is electrically connected
The characteristics of stablizing.
Under normal conditions, the length of pin 310 can be more than the width of pressure head, and in the present embodiment, vacancy section 410 is complete
Pin 310 is covered, so as to which pin 310 can be used for the length of conducting for the length of itself of pin 310, thus in pressing, i.e.,
Pressure head is made to shift on the length direction of pin 310, also ensures that pressure head is fully pressed against pin 310.As shown in fig. 7,
In other embodiment, vacancy section 410 can also only cover pin 310 bound segments 312, and the extended segment 314 of pin 310 by
The main part 420 of protective film 400 covers that (wherein, pin 310 includes connected bound segments 312 and extended segment 314, protective film 400
Including connected vacancy section 410 and main part 420).Extended segment 314 so as to avoid pin 310 is exposed, and cannot be protected
Cuticula 400 is protected.
Further, in the present embodiment, (vacancy section 410 is in touch-control body 300 to protective film for the thickness of vacancy section 410
Thickness on 400 direction) it is less than the diameter of conducting particles.So, it can be ensured that conducting particles turns on touch control component after being pressed
22 with flexible PCB 24.Further, in the present embodiment, the thickness of vacancy section 410 is less than 10 μm, this thickness is generally less than
The grain size of ACF conducting particles, it is ensured that conducting particles turns on touch control component 22 and flexible PCB 24 after being pressed.Preferably, exist
In present embodiment, the thickness of vacancy section 410 is 7~9 μm.
In the present embodiment, opening 412 is through hole.In this way, vacancy section 410 is continuous structure, touch-control can not only be convenient for
The pin 310 of component 22 is turned on the golden finger 24b of flexible PCB 24, moreover it is possible to which effective protection pin 310 avoids pin 310
Before not being connected with flexible PCB 24, it is damaged in links such as storage, transports.Further, in the present embodiment, it is open
Minimum diameter in 412 all directions is 1.2~2 times of the diameter of conducting particles.In this way, can cause opening 412 have compared with
Big area ensures that enough conducting particles pass through opening 412 so that the pin 310 of touch control component 22 and flexible PCB 24
Golden finger 24b stablize conducting.By taking prismatic shown in Fig. 8 as an example, d1 be open 412 minimum diameter, with it is shown in Fig. 9 just
Exemplified by hexagon, d2 is the minimum diameter of opening 412.
Further, in the present embodiment, vacancy section 410 includes a plurality of lines 414, and a plurality of lines 414 are cross-linked shape
Opening 412 into grid and in grid.Each grid cell (prismatic is a grid cell) is i.e. one corresponding
Opening 412.As can be seen from figures 8 and 9, grid can be regular grid, and grid cell can be in prismatic or regular hexagon.Such as
This, can cause the pin 310 of touch control component 22 and the golden finger 24b uniform conductings of flexible PCB 24.As shown in Figure 10, net
Lattice or irregular grid.Further, in the present embodiment, the line width of lines 414 is 1~20 micron.Lines 414 are got over
Carefully, manufacture craft difficulty is bigger, can cause the cost of manufacture of protective film 400 to increase, and lines 414 are too thick, can compress opening 412
Area, influence the conducting of the pin 310 of touch control component 22 and the golden finger 24b of flexible PCB 24.Comprehensive cost and conducting
The line width of lines 414 is arranged to 1~20 micron by effect.
As shown in figure 11, in other embodiments, vacancy section 410 includes multiple padded parts 416 being intervally arranged, opening
412 region between two neighboring padded part 416.In this way, can cause opening 412 that there is larger area, ensure foot
Enough conducting particles pass through opening 412 so that the pin 310 of touch control component 22 is stablized with the golden finger 24b of flexible PCB 24
Conducting.Further, in the present embodiment, a part of padded part 416 is between pin 310, the padded part of another part 416
In on pin 310.A part of padded part 416 can occupy the position of pin 310 between pin 310 to avoid padded part 416
It puts, so that pin 310 has more areas for being turned on the golden finger 24b of flexible PCB 24.It is appreciated that
In other embodiments, between padded part 416 can may be contained within pin 310, can also may be contained on pin 310.
Further, in the present embodiment, padded part 416 includes a plurality of lines, and a plurality of lines are cross-linked to form grid,
Namely can also be offered on padded part 416 for conducting particles by through hole, in this way, both can guarantee conducting particles sufficiently quilt
Touch control component 22 and flexible PCB 24 are sufficiently turned on after pressure, and prevents the inclination of pressure head in technique well.
When making above-mentioned touch control component 22, the film layer in floor covering binding area 302 is first formed on touch-control body 300,
Being exposed-development-to film layer again the processing such as etches, so as to obtain the protective film 400 for including vacancy section 410.Vacancy section 410
Structure can be the continuous structure shown in Fig. 6 or the disrupted configuration shown in Figure 11.
As shown in Figures 2 and 3, in the present embodiment, touch-control body 300 includes visible area 304 and non-visible area, non-
Visible area includes cabling area 306 and first and binds area 302.Touch-control body 300 includes the touch control electrode positioned at visible area 304
320 and the lead 330 in cabling area 306.The number of touch control electrode 320 is multiple, and multiple touch control electrodes 320 are mutually absolutely
Edge is set, and the number of lead 330 is multiple, and multiple 330 mutually insulateds of lead are set, and multiple leads 330 and multiple touch-controls electricity
Pole 320 corresponds, and 330 one end of lead is connected with touch control electrode 320, and the other end is located at the first binding area 302.330, lead
In first binding area 302 one end be pin 310.
Flexible PCB 24 includes the second binding area 24a, the second binding area 24a and is equipped with multiple golden finger 24b.Second binding
Binding 302 faces of area of area 24a and first are set, and 330 and one golden finger 24b faces of each lead.ACF 26 is tied up arranged on second
Between determining the binding of area 302 and first area 24a, so that lead 330 is turned on golden finger 24b.
Wherein, ACF 26 mainly includes conducting particles and insulation glue material, and conducting particles is scattered in insulation glue material.It is using
When, ACF 26 is pressed in advance on touch control component 22 (or flexible PCB 24) under certain temperature and pressure first.Then in CCD
(or the flexible PCB of touch control component 22 of ACF 26 will be pressed under (Charge-coupled Device, charge coupled cell) in advance
24) precisely aligned with flexible PCB 24 (touch control component 22) so that each lead and a golden finger face.The two is existed afterwards
Heating and pressurized conditions under press, after a period of time, conducting particles rupture, insulation glue material cure, eventually form vertical conducting,
The rock-steady structure of lateral isolation.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of touch control component, which is characterized in that including：
Touch-control body, the touch-control body include binding area and multiple pins in the binding area, multiple described to draw
Foot is intervally arranged；And
Protective film, on the touch-control body, the protective film includes the vacancy section in the corresponding binding area, the vacancy section
With it is multiple for conducting particles by opening.
2. touch control component according to claim 1, which is characterized in that the pin includes connected bound segments and extension
Section, the protective film further include the main part being connected with the vacancy section, and the vacancy section covers the bound segments, the main body
Portion covers the extended segment.
3. touch control component according to claim 1, which is characterized in that the thickness of the vacancy section is less than the conducting particles
Diameter.
4. touch control component according to claim 3, which is characterized in that the thickness of the vacancy section is less than 10 μm.
5. touch control component according to claim 1, which is characterized in that the minimum diameter in the opening all directions is institute
State the diameter of conducting particles 1.2~2 times.
6. touch control component according to claim 1, which is characterized in that the vacancy section includes a plurality of lines, a plurality of described
Lines are cross-linked to form grid and the opening in the grid.
7. touch control component according to claim 1, which is characterized in that the vacancy section include it is multiple be intervally arranged it is padded
Part, region of the opening between the two neighboring padded part.
8. touch control component according to claim 7, which is characterized in that a part of padded part be located at the pin it
Between, padded part described in another part is located on the pin.
9. touch control component according to claim 7, which is characterized in that the padded part includes a plurality of lines, a plurality of described
Lines are cross-linked to form grid.
10. a kind of touch device, which is characterized in that including：
Touch control component any one of claim 1-9；
Flexible PCB is bound to the binding area of the touch-control body；And
Anisotropy conductiving glue layer, between the flexible PCB and the touch-control body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280462.9U CN207458010U (en) | 2017-09-30 | 2017-09-30 | Touch device and its touch control component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721280462.9U CN207458010U (en) | 2017-09-30 | 2017-09-30 | Touch device and its touch control component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207458010U true CN207458010U (en) | 2018-06-05 |
Family
ID=62250184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721280462.9U Expired - Fee Related CN207458010U (en) | 2017-09-30 | 2017-09-30 | Touch device and its touch control component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207458010U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109189270A (en) * | 2018-09-19 | 2019-01-11 | 合肥鑫晟光电科技有限公司 | Touch panel and its manufacturing method, touch control display apparatus |
| CN109634468A (en) * | 2019-02-22 | 2019-04-16 | 业成科技（成都）有限公司 | The touch module structure of touch panel |
-
2017
- 2017-09-30 CN CN201721280462.9U patent/CN207458010U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109189270A (en) * | 2018-09-19 | 2019-01-11 | 合肥鑫晟光电科技有限公司 | Touch panel and its manufacturing method, touch control display apparatus |
| CN109634468A (en) * | 2019-02-22 | 2019-04-16 | 业成科技（成都）有限公司 | The touch module structure of touch panel |
| TWI691883B (en) * | 2019-02-22 | 2020-04-21 | 大陸商業成科技（成都）有限公司 | Touch module structure of touch panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20190930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |