CN107765924A - Touch-control film and preparation method thereof and touch-screen - Google Patents
Touch-control film and preparation method thereof and touch-screen Download PDFInfo
- Publication number
- CN107765924A CN107765924A CN201711087650.4A CN201711087650A CN107765924A CN 107765924 A CN107765924 A CN 107765924A CN 201711087650 A CN201711087650 A CN 201711087650A CN 107765924 A CN107765924 A CN 107765924A
- Authority
- CN
- China
- Prior art keywords
- touch
- diaphragm
- hole
- touch control
- flexible pcb
- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- 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
Abstract
The present invention relates to a kind of touch-control film and preparation method thereof and touch-screen.The touch-control film includes base material, touch control component and diaphragm.Base material includes the first surface and second surface being oppositely arranged; the first through hole through first surface and second surface is offered on base material; touch control component is located at first surface; diaphragm is located at second surface; the second through hole and breach are offered on diaphragm; second through hole is right against first through hole; breach connects with the second through hole; wherein; one end of flexible PCB is after one side of the diaphragm away from base material sequentially passes through the second through hole and first through hole; electrically connected with touch control component, and flexible PCB is arranged in breach.Above-mentioned touch-control film, when removing diaphragm, because being provided with breach on diaphragm; flexible PCB is located in breach has gap with diaphragm, so, will not be contacted when diaphragm removes with flexible PCB; so as to prevent flexible PCB to be damaged, the quality of touch-screen ensure that.
Description
Technical field
The present invention relates to touch screen technology field, particularly touch-control film and preparation method thereof and touch-screen.
Background technology
With the development and popularization of touch technology, touch-screen applications are in various smart machines, such as mobile phone, flat board, computer
Etc..Touch-screen includes touch-control film and flexible PCB, and touch-control film mainly includes the base material and conductive layer being stacked, base
The through hole worn for flexible PCB is offered on material, when binding touch-control film with flexible PCB, it will usually by flexible electrical
One end of road plate is bound from one side of the base material away from conductive layer through through hole with the touch-control pin of conductive layer, to realize conductive layer
With the electrical connection of flexible PCB.
Generally, one side of the base material away from conductive layer can set layer protecting film, be made after touch-screen, it is necessary to which diaphragm is torn
Remove.But some region of diaphragm is covered by flexible PCB, when removing diaphragm, it is necessary to which flexible PCB is lifted
Rise, with anti-interference diaphragm, but be so easy to injured or even fracture flexible PCB.
The content of the invention
Based on this, it is necessary to during for dyestripping the problem of easy injured flexible PCB, there is provided can be effective during a kind of dyestripping
Protect touch-control film of flexible PCB and preparation method thereof and touch-screen.
A kind of touch-control film, including：
Base material, including the first surface and second surface being oppositely arranged, offer through first table on the base material
Face and the first through hole of the second surface；
Touch control component, located at the first surface；And
Diaphragm, located at the second surface, the second through hole and breach, second through hole are offered on the diaphragm
The first through hole is right against, the breach connects with second through hole；
Wherein, one end of the flexible PCB sequentially passes through described from one side of the diaphragm away from the base material
After two through holes and the first through hole, electrically connected with the touch control component, and the flexible PCB is arranged in the breach.
Above-mentioned touch-control film, after flexible PCB sequentially passes through the second through hole and first through hole, is electrically connected with touch control component
Connect, because being provided with breach on diaphragm, flexible PCB is located in breach so as to be interfered with diaphragm, this
It sample, will not be contacted when diaphragm removes with flexible PCB, so as to prevent flexible PCB to be damaged, ensure that touch
The quality of screen.
In one of the embodiments, the length of the breach is more than the width of the flexible PCB.
In one of the embodiments, the length of the breach is less than the length of second through hole.
In one of the embodiments, the touch control component includes being stacked the first touch control layer, the first adhesive linkage, the
Two touch control layers and the second adhesive linkage, first touch control layer are located at the first surface, and first adhesive linkage is located at described the
Between one touch control layer and second touch control layer, second touch control layer is located at first adhesive linkage and second adhesive linkage
Between.
In one of the embodiments, the touch control component includes touch control layer and the adhesive linkage being stacked, the touch-control
Layer is located at the first surface, and the first conductive pattern and the second conductive pattern including mutually insulated.
A kind of touch-screen, including：
Above-mentioned any touch-control film；
Cover-plate glass, located at one side of the touch control component away from the first surface；And
The flexible PCB, one end of the flexible PCB from one side of the diaphragm away from the base material successively
Through after second through hole and the first through hole, electrically connected with the touch control component, and the flexible PCB is arranged in
The breach.
Above-mentioned touch-screen, because touch-control film can prevent flexible PCB injured, so as to improve the life of touch-screen
Produce yield.
A kind of preparation method for touching film, comprises the following steps：
Base material and diaphragm are provided, the base material includes the first surface and second surface being oppositely arranged, the diaphragm
Formed in the second surface；
Touch control component is formed in the first surface；
The first through hole through the first surface and the second surface is opened up on the substrate, in the diaphragm
On open up the second through hole for being right against the first through hole；And
The breach connected with second through hole is opened up on the diaphragm.
The preparation method of above-mentioned touch film, it is simple to operate, it is only necessary to breach to be opened up on diaphragm, for flexible circuit
Plate is worn, and thus can quickly and easily tear diaphragm, and without worrying the problem of diaphragm is interfered with flexible PCB, carry
The production efficiency of touch-screen is risen.
In one of the embodiments, the breach connected with second through hole is opened up on the diaphragm the step of,
Also include：
The diaphragm is cut, depth of cut is equal to the thickness of the diaphragm, and is stayed on the diaphragm
Lower twice line of cut, the line of cut are extended to the edge of the diaphragm by the side wall of second through hole；
Remove the position between line of cut described in twice on the diaphragm.
In one of the embodiments, the distance between line of cut described in twice is more than the width of flexible PCB.
In one of the embodiments, the first surface formed touch control component the step of, in addition to：
The first touch control layer is formed in the first surface；
In one side of first touch control layer away from the first surface, the first adhesive linkage is set；
Second touch control layer is provided；
In the one side of second touch control layer, the second adhesive linkage is set；
First adhesive linkage is bonded with one side of second touch control layer away from second adhesive linkage.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
The accompanying drawing of other embodiment is obtained according to these accompanying drawings.
Fig. 1 is the upward view of the touch-control film of an embodiment；
Fig. 2 is the explosive view of the touch-control film shown in Fig. 1；
Fig. 3 is the top view of the touch-control film shown in Fig. 1；
Fig. 4 is the sectional view of the touch-control film shown in Fig. 1；
Fig. 5 is the preparation method flow chart of the touch-control film shown in Fig. 1；
Fig. 6 be Fig. 5 shown in touch-control film preparation method in step S120 flow chart；
Fig. 7 be Fig. 5 shown in touch-control film preparation method in step S140 flow chart.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Referring to Fig. 1 to Fig. 3, the touch-screen in an embodiment includes touch-control film 10, flexible PCB 20 and cover plate glass
Glass.Flexible PCB 20 is bound with touch-control film 10, to realize the electrical connection of touch-control film 10 and other assemblies.Cover-plate glass is set
Put in the side of touch-control film 10, for being shielded to touch-control film 10.
Touch-control film 10 includes base material 110, touch control component 120 and diaphragm 130, base material 110 include being oppositely arranged the
One surface 111 and second surface 113, the first through hole through first surface 111 and second surface 113 is offered on base material 110
115.Touch control component 120 is located at first surface 111, and surface of the touch control component 120 away from first surface 111 is used to set cover plate glass
Glass.Diaphragm 130 is located at second surface 113, and the second through hole 131 and breach 133, the second through hole 131 are offered on diaphragm 130
First through hole 115 is right against, breach 133 connects with the second through hole 131.Wherein, one end of flexible PCB 20 is from diaphragm 130
After one side away from base material 110 sequentially passes through the second through hole 131 and first through hole 115, electrically connected with touch control component 120, and it is soft
Property circuit board 20 is arranged in breach 133.In one embodiment, base material 110 can be made up of clear glass material, can also be by
Transparent polyethylene terephthalate (Polyethylene terephthalate, PET) material is made.
Above-mentioned touch-control film 10, diaphragm 130 are pasted onto on second surface 113, when removing diaphragm 130, because
Breach 133 is provided with diaphragm 130, flexible PCB 20 is located in so as to will not interfere with diaphragm 130 in breach 133, this
It sample, will not contact with flexible PCB 20 when diaphragm 130 removes, so as to prevent flexible PCB 20 to be damaged, protect
The quality of touch-screen is demonstrate,proved.
In one embodiment, the length of breach 133 is more than the width of flexible PCB 20.Specifically, in this embodiment party
In formula, both ends and the flexible PCB 20 of breach 133 are spaced, and between one end of breach 133 and flexible PCB 20 away from
From the distance between the other end equal to breach 133 and flexible PCB 20.Staff can keep away when removing diaphragm 130
Exempt from finger scratch flexible PCB 20.In other embodiments, the distance between one end of breach 133 and flexible PCB 20
It might be less that the distance between the other end and flexible PCB 20 of breach 133.
In one embodiment, the length of breach 133 is less than the length of the second through hole 131, the second through hole 131 and breach
133 connections are in T fonts.
Referring to Fig. 4, in one embodiment, the first touch control layer 121, first that touch control component 120 includes being stacked is viscous
Layer 123, the second touch control layer 125 and the second adhesive linkage 127 are connect, the first touch control layer 121 is located at first surface 111, the first adhesive linkage
123 are located between the first touch control layer 121 and the second touch control layer 125, and the second touch control layer 125 is located at the first adhesive linkage 123 and second
Between adhesive linkage 127.Flexible PCB 20 is bound with the pin of the first touch control layer 121 and the pin of the second touch control layer 125 respectively.
Touch-control film 10 in the present embodiment is single-surface double-layer structure, and cover-plate glass is bonded with the second adhesive linkage 127.In one embodiment
In, the first adhesive linkage 123 and the second adhesive linkage 127 are Optical transparent adhesive, so as to not interfere with the translucency of touch-control film 10
Can, and then do not interfere with the display effect of touch-screen.
In one embodiment, touch control component 120 includes touch control layer and the adhesive linkage being stacked, and touch control layer is located at first
Surface 111, and the first conductive pattern and the second conductive pattern including mutually insulated.Flexible PCB 20 is conductive with first respectively
Pin corresponding to pin corresponding to pattern and the second conductive pattern is bound.Touch-control film 10 in the present embodiment is single-surface single-layer knot
Structure, cover-plate glass are bonded with adhesive linkage.In one embodiment, adhesive linkage is Optical transparent adhesive.In one embodiment, first
Conductive pattern and the second conductive pattern can be led to by transparent conductive materials such as tin indium oxides (Indium tin oxide, ITO)
The processing procedure mode of overexposure-development-etching is formed.
Referring to Fig. 5, the preparation method of the touch-control film 10 of an embodiment, comprise the following steps：
Step S110：There is provided base material 110 and diaphragm 130, base material 110 includes the first surface 111 being oppositely arranged and the
Two surfaces 113, diaphragm 130 are formed in second surface 113, and specifically, diaphragm 130 is pasted onto on second surface 113.
Step S120：Touch control component 120 is formed in first surface 111.
Specifically, for the touch-control film of single-surface double-layer structure, referring to Fig. 6, step S120 is further comprising the steps of：
Step S121：The first touch control layer 121 is formed in first surface 111.First touch control layer 121 passes through exposure-development-erosion
The processing procedure mode at quarter is formed.
Step S123：In one side of first touch control layer 121 away from first surface 111, the first adhesive linkage 123 is set.
Step S125：Second touch control layer 125, the processing procedure mode that the second touch control layer 125 passes through exposure-development-etching are provided
Formed in clear glass substrate or PET base material.
Step S127：In the one side of the second touch control layer 125, the second adhesive linkage 127 is set.
Step S129：First adhesive linkage 123 is bonded with one side of second touch control layer 125 away from the second adhesive linkage 127.
It is noted that the order between step S123 and step S125 can exchange, step S129 and step S127
Between order can also exchange.In addition, the second touch control layer 125 can also be formed directly on the second adhesive linkage 127, and omit
Clear glass substrate or PET base material.
For the touch-control film of single-surface single-layer structure, touch control layer is directly made by gold-tinted technique on substrate 110,
The attached last layer adhesive linkage in touch control layer again.
Step S130：The first through hole 115 through first surface 111 and second surface 113 is opened up on substrate 110,
The second through hole 131 for being right against first through hole 115 is opened up on diaphragm 130.The through hole 131 of first through hole 115 and second passes through one
Secondary drilling technology is formed, and the through hole 131 of first through hole 115 and second is rectangular opening.
Step S140：The breach 133 connected with the second through hole 131 is opened up on diaphragm 130.
Specifically, it is further comprising the steps of referring to Fig. 7, step S140：
Step S141：Diaphragm 130 is cut, depth of cut is equal to the thickness of diaphragm 130, and in diaphragm
Twice line of cut is left on 130, line of cut is extended to the edge of diaphragm 130 by the side wall of the second through hole 131.In this embodiment party
In formula, line of cut is the width that parallel the distance between the vertical curve, twice line of cut of twice is more than flexible PCB 20.At it
In his embodiment, line of cut can also be skew lines or camber line.
Step S143：Remove the position between twice line of cut on diaphragm 130.Staff can directly use hand
Push the position cut down aside, the position that cuts down can also be isolated by the instruments such as patch are easily torn.
Each technical characteristic of above-mentioned above example can be combined arbitrarily, to make description succinct, not to above-mentioned
The all possible combination of each technical characteristic in embodiment is all described, as long as however, the combination of these technical characteristics not
Contradiction be present, be all considered to be the scope of this specification record.
Above example only expresses the several embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore it is interpreted as the limitation 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, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. touch-control film, for being bound with flexible PCB, it is characterised in that including：Base material, including the first surface and second surface being oppositely arranged, offer on the base material through the first surface and The first through hole of the second surface；Touch control component, located at the first surface；AndDiaphragm, located at the second surface, the second through hole and breach, the second through hole face are offered on the diaphragm In the first through hole, the breach connects with second through hole；Wherein, one end of the flexible PCB sequentially passes through described second from one side of the diaphragm away from the base material and led to Behind hole and the first through hole, electrically connected with the touch control component, and the flexible PCB is arranged in the breach.
- 2. touch-control film according to claim 1, it is characterised in that the length of the breach is more than the flexible PCB Width.
- 3. touch-control film according to claim 1, it is characterised in that the length of the breach is less than second through hole Length.
- 4. touch-control film according to claim 1, it is characterised in that the touch control component include be stacked first touch Control layer, the first adhesive linkage, the second touch control layer and the second adhesive linkage, first touch control layer is located at the first surface, and described the One adhesive linkage is located between first touch control layer and second touch control layer, and second touch control layer is located at the described first bonding Between layer and second adhesive linkage.
- 5. touch-control film according to claim 1, it is characterised in that the touch control component includes the touch control layer being stacked And adhesive linkage, the touch control layer are located at the first surface, and the first conductive pattern and the second conductive pattern including mutually insulated Case.
- A kind of 6. touch-screen, it is characterised in that including：Touch-control film as described in claim any one of 1-5；Cover-plate glass, located at one side of the touch control component away from the first surface；AndThe flexible PCB, one end of the flexible PCB sequentially pass through from one side of the diaphragm away from the base material After second through hole and the first through hole, electrically connected with the touch control component, and the flexible PCB be arranged in it is described Breach.
- 7. a kind of preparation method of touch-control film, it is characterised in that comprise the following steps：Base material and diaphragm are provided, the base material includes the first surface and second surface being oppositely arranged, and the diaphragm is formed In the second surface；Touch control component is formed in the first surface；The first through hole through the first surface and the second surface is opened up on the substrate, is opened on the diaphragm If it is right against the second through hole of the first through hole；AndThe breach connected with second through hole is opened up on the diaphragm.
- 8. the preparation method of touch-control film according to claim 7, it is characterised in that opened up on the diaphragm and institute The step of stating the breach of the second through hole connection, in addition to：The diaphragm is cut, depth of cut is equal to the thickness of the diaphragm, and leaves two on the diaphragm Road line of cut, the line of cut are extended to the edge of the diaphragm by the side wall of second through hole；Remove the position between line of cut described in twice on the diaphragm.
- 9. the preparation method of touch-control film according to claim 8, it is characterised in that between line of cut described in twice away from From the width more than flexible PCB.
- 10. the preparation method of touch-control film according to claim 7, it is characterised in that formed in the first surface tactile The step of controlling component, in addition to：The first touch control layer is formed in the first surface；In one side of first touch control layer away from the first surface, the first adhesive linkage is set；Second touch control layer is provided；In the one side of second touch control layer, the second adhesive linkage is set；First adhesive linkage is bonded with one side of second touch control layer away from second adhesive linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087650.4A CN107765924B (en) | 2017-11-07 | 2017-11-07 | Touch film, manufacturing method thereof and touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087650.4A CN107765924B (en) | 2017-11-07 | 2017-11-07 | Touch film, manufacturing method thereof and touch screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107765924A true CN107765924A (en) | 2018-03-06 |
| CN107765924B CN107765924B (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711087650.4A Active CN107765924B (en) | 2017-11-07 | 2017-11-07 | Touch film, manufacturing method thereof and touch screen |
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| Country | Link |
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Cited By (2)
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| CN111324243A (en) * | 2018-12-13 | 2020-06-23 | 南昌欧菲触控科技有限公司 | Manufacturing method of touch screen, touch screen and intelligent terminal |
| CN112068344A (en) * | 2020-09-14 | 2020-12-11 | 武汉华星光电半导体显示技术有限公司 | Display device and preparation method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107765924B (en) | 2021-02-09 |
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