CN109597515A - Touch device and its touch control component - Google Patents
Touch device and its touch control component Download PDFInfo
- Publication number
- CN109597515A CN109597515A CN201710946043.2A CN201710946043A CN109597515A CN 109597515 A CN109597515 A CN 109597515A CN 201710946043 A CN201710946043 A CN 201710946043A CN 109597515 A CN109597515 A CN 109597515A
- Authority
- CN
- China
- Prior art keywords
- touch
- control component
- touch control
- vacancy section
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Push-Button Switches (AREA)
Abstract
The present invention relates to a kind of touch device and its touch control components.The touch control component, comprising: touch-control ontology, the touch-control ontology include that binding area and multiple pins in the binding area, multiple pins are intervally arranged；Protective film is set on the touch-control ontology, and the part in the corresponding binding area of the protective film is in vacancy section vacancy section, and the vacancy section has multiple openings passed through for conducting particles.When above-mentioned touch control component is electrically connected using ACF with flexible circuit board, the conducting particles in ACF can be connected by being open with pin.And since vacancy section covers binding area, there is no differences in height, can be to avoid there is a situation where pressure heads to tilt, touch control component and flexible circuit board is connected in the enough conducting particles being effectively ensured in ACF after being pressed, therefore above-mentioned touch control component has the characteristics that electric connection is stable.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of touch device and its touch control component.
Background technique
The binding area of touch control component generally includes multiple pins being intervally arranged, in order to insulate, prevent steam, prevent route
At least one of scratch etc., it is usually chosen in surface setting protective film (passivation) of touch control component.As shown in Figure 1,
Touch control component 10 includes touch-control ontology 100 and the protective film 200 on touch-control ontology 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 inner sidewalls 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 connected using anisotropy conductiving glue layer (Anisotropic Conductive Film, ACF) subsequent
When part 10 and flexible circuit board, first ACF is set between touch control component 10 and flexible circuit board, then pressure head declines, and is exposing
Pin 110 on form impression so that the conducting particles in ACF ruptures, to realize the structure of vertical conducting, lateral isolation.
And due to 200 covering part pin 110 of protective film, cause to be covered by region that protective film 200 covers and unprotected film 200
There are differences in height in region (i.e. 212 two sides of slot bottom), in pressing, because of pressing deviation, if pressure head is partly pressed in slot bottom 212
On, difference in height will lead to the pressure head inclination of abutted equipment, 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, when 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 to be pressed so that the specification requirement that sufficiently conductive particle is connected.And in actual conditions
In, since 212 two sides of slot bottom are there are difference in height, when head misalignment, causes pressure head to tilt, and leads to 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.
Summary of the invention
Based on this, it is necessary to provide and a kind of be electrically connected stable touch device and its touch control component.
A kind of touch control component, comprising:
Touch-control ontology, the touch-control ontology include binding area and multiple pins in the binding area, Duo Gesuo
Pin is stated to be intervally arranged；And
Protective film is set on the touch-control ontology, and the part that the protective film corresponds to the binding area is in vacancy section, described
Vacancy section has multiple openings passed through for conducting particles.
When above-mentioned touch control component is electrically connected using ACF with flexible circuit board, the conducting particles in ACF can pass through opening
It is connected with pin.And due to vacancy section cover binding area, be not present difference in height, can to avoid occur pressure head inclination,
Touch control component and flexible circuit board, therefore above-mentioned touch-control group is connected in the enough conducting particles being effectively ensured in ACF after being pressed
Part has the characteristics that be electrically connected stable.
The pin includes connected bound segments and extended segment in one of the embodiments, and the protective film further includes
The main part connecting 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.
The thickness of the vacancy section is less than the diameter of the conducting particles in one of the embodiments, in this way, can be true
It protects after conducting particles is pressed and touch control component and flexible circuit board is connected.
For the thickness of the vacancy section less than 10 μm, this thickness is generally less than ACF conducting particles in one of the embodiments,
Partial size, it is ensured that touch control component and flexible circuit board is connected after being pressed in conducting particles.
The opening is through-hole in one of the embodiments, 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 make opening that there is biggish area, guarantee that enough conducting particles are logical
Opening is crossed, so that the golden finger of the pin of touch control component and flexible circuit board stablizes conducting.
The vacancy section includes a plurality of lines in one of the embodiments, 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.
The vacancy section includes multiple padded parts being intervally arranged in one of the embodiments, and the opening is adjacent
Region between two padded parts.In this way, can make opening that there is biggish area, guarantee enough conducting particles
By opening, so that the golden finger of the pin of touch control component and flexible circuit board stablizes conducting.
A part of padded part is padded described in another part between the pin in one of the embodiments,
Part is located on the pin.It avoids padded part from occupying the position of pin, is more used for and flexible electrical so that pin has
The area of the golden finger conducting of road plate.
The padded part includes a plurality of lines in one of the embodiments, and a plurality of lines are cross-linked to form net
Lattice not only can guarantee and touch control component and flexible circuit board are adequately connected after conducting particles is adequately pressed, but also prevented well
The inclination of pressure head in technique.
A kind of touch device, comprising:
Touch control component described in any of the above-described embodiment；
Flexible circuit board is bound to the binding area of the touch-control ontology；And
Anisotropy conductiving glue layer, between the flexible circuit board and the touch-control ontology.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional touch control component；
Fig. 2 is the structural schematic diagram of the touch device of an embodiment；
Fig. 3 is the structural schematic diagram of the touch-control ontology in Fig. 2；
Fig. 4 is the structural schematic diagram of the touch control component in Fig. 2；
Fig. 5 is the partial enlarged view in Fig. 4 at A；
Fig. 6 is the partial enlarged view in a binding area in Fig. 5；
Fig. 7 is the structural schematic diagram of the touch control component of another embodiment；
Fig. 8 is the structural schematic diagram of prismatic grid；
Fig. 9 is the structural schematic diagram of regular hexagonal cell；
Figure 10 is the structural schematic diagram of irregular grid；
Figure 11 is the structural schematic diagram of the touch control component of another embodiment.
Specific embodiment
With reference to the accompanying drawing 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 circuit board 24 and
Connect the ACF 26 of touch control component 22 and flexible circuit board 24.
As shown in Fig. 4, Fig. 5 and Fig. 6, touch control component 22 includes touch-control ontology 300 and protective film 400.Touch-control ontology 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 set on touch-control ontology 300, specifically, in the present embodiment, protective film 400
It is dimensioned slightly smaller than the size of touch-control ontology 300.The part in the corresponding binding area 302 of protective film 400 is in vacancy section 410, vacancy section 410
With multiple openings 412 passed through for conducting particles.
When above-mentioned touch control component 22 is electrically connected using ACF with flexible circuit board, the conducting particles in ACF can be by opening
Mouth 412 is connected with pin 310.And since the part in the corresponding binding area 302 of protective film 400 is in vacancy section 410 namely vacancy section
410 covering binding areas 302, are not present difference in height, can be effectively ensured enough in ACF to avoid there is a situation where pressure heads to tilt
Conducting touch control component 22 and flexible circuit board 24 after more conducting particles is pressed.Therefore above-mentioned touch control component 22, which has, is electrically connected
Stable feature.
Under normal conditions, the length of pin 310 can be greater than the width of pressure head, and in the present embodiment, vacancy section 410 is complete
Pin 310 is covered, so that the length that pin 310 can be used for being connected is the length of pin 310 itself, thus in pressing, i.e.,
So that pressure head is shifted 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 embodiments, vacancy section 410 can also only cover pin 310 bound segments 312, and the extended segment 314 of pin 310 by
(wherein, pin 310 includes connected bound segments 312 and extended segment 314, protective film 400 for the covering of main part 420 of protective film 400
Including connected vacancy section 410 and main part 420).So as to avoid the extended segment 314 of pin 310 from exposing, and cannot be protected
Cuticula 400 is protected.
Further, in the present embodiment, (vacancy section 410 is in touch-control ontology 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 touch control component is connected after being pressed in conducting particles
22 with flexible circuit board 24.Further, in the present embodiment, less than 10 μm, this thickness is generally less than the thickness of vacancy section 410
The partial size of ACF conducting particles, it is ensured that conducting touch control component 22 and flexible circuit board 24 after conducting particles is pressed.Preferably, exist
In present embodiment, vacancy section 410 with a thickness of 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 connected with the golden finger 24b of flexible circuit board 24, moreover it is possible to which effective protection pin 310 avoids pin 310
Before not connect with flexible circuit board 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 make opening 412 have compared with
Big area guarantees enough conducting particles by opening 412, so that the pin 310 of touch control component 22 and flexible circuit board 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
For 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 at 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 make the pin 310 of touch control component 22 and the golden finger 24b uniform conducting of flexible circuit board 24.As shown in Figure 10, net
Lattice may be 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, and the cost of manufacture that will lead to protective film 400 increases, 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 circuit board 24.Overall cost and conducting
The line width of lines 414 is set 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 make opening 412 that there is biggish area, guarantee foot
Enough conducting particles are by opening 412, so that the golden finger 24b of the pin 310 of touch control component 22 and flexible circuit board 24 stablizes
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 sets, so that pin 310 has more areas for being connected with the golden finger 24b of flexible circuit board 24.It is appreciated that
In other embodiments, padded part 416 can be all set between pin 310, can also be all set 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 the through-hole passed through for conducting particles can also be offered on padded part 416, in this way, both can guarantee conducting particles adequately quilt
Touch control component 22 and flexible circuit board 24 are adequately connected 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 ontology 300,
Being exposed-development-to film layer again the processing such as etches, thus obtain include vacancy section 410 protective film 400.Vacancy section 410
Structure can be continuous structure shown in fig. 6, be also possible to disrupted configuration shown in Figure 11.
As shown in Figures 2 and 3, in the present embodiment, touch-control ontology 300 includes visible area 304 and non-visible area, non-
Visible area includes cabling area 306 and the first binding area 302.Touch-control ontology 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 be it is multiple, multiple touch control electrodes 320 are mutually absolutely
Edge setting, the number of lead 330 is multiple, multiple 330 mutually insulated of lead settings, and multiple leads 330 and multiple touch-controls are electric
Pole 320 corresponds, and 330 one end of lead is connect 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 circuit board 24 includes that the second binding area 24a, the second binding area 24a is equipped with multiple golden finger 24b.Second binding
Binding 302 face of the area setting of area 24a and first, and each lead 330 and a golden finger 24b face.ACF 26 is set to second and ties up
Determine between area 302 and the first binding area 24a, so that lead 330 is connected with 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 circuit board 24) under certain temperature and pressure first.Then in CCD
(or the flexible circuit board of touch control component 22 of ACF 26 will be pressed under (Charge-coupled Device, charge coupled cell) in advance
24) it is precisely aligned with flexible circuit board 24 (touch control component 22), so that each lead and a golden finger face.The two is existed later
Heating and pressurized conditions under press, after a period of time, conducting particles rupture, insulation glue material solidification, eventually form vertical conducting,
The rock-steady structure of lateral isolation.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, 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, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of touch control component characterized by comprising
Touch-control ontology, the touch-control ontology include binding area and multiple pins in the binding area, multiple described to draw
Foot is intervally arranged；And
Protective film is set on the touch-control ontology, and the protective film includes the vacancy section in the corresponding binding area, the vacancy section
With multiple openings passed through for conducting particles.
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 includes the main part connecting 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
1.2~2 times for stating the diameter of conducting particles.
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 characterized by comprising
Touch control component of any of claims 1-9；
Flexible circuit board is bound to the binding area of the touch-control ontology；And
Anisotropy conductiving glue layer, between the flexible circuit board and the touch-control ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710946043.2A CN109597515A (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 |
|---|---|---|---|
| CN201710946043.2A CN109597515A (en) | 2017-09-30 | 2017-09-30 | Touch device and its touch control component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109597515A true CN109597515A (en) | 2019-04-09 |
Family
ID=65956532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710946043.2A Withdrawn CN109597515A (en) | 2017-09-30 | 2017-09-30 | Touch device and its touch control component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109597515A (en) |
-
2017
- 2017-09-30 CN CN201710946043.2A patent/CN109597515A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190409 |
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| WW01 | Invention patent application withdrawn after publication |