CN106739384A - A kind of laminating alignment method of Rotating fields flexibility touch screen - Google Patents
A kind of laminating alignment method of Rotating fields flexibility touch screen Download PDFInfo
- Publication number
- CN106739384A CN106739384A CN201611112295.7A CN201611112295A CN106739384A CN 106739384 A CN106739384 A CN 106739384A CN 201611112295 A CN201611112295 A CN 201611112295A CN 106739384 A CN106739384 A CN 106739384A
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- China
- Prior art keywords
- alignment target
- laminating
- touch screen
- binding area
- rotating fields
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/208—Touch screens
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Abstract
The invention discloses a kind of laminating alignment method of Rotating fields flexibility touch screen, the Rotating fields flexibility touch screen includes two-layer conducting film, wherein one layer is emission layer, another layer of receiving layer；The laminating alignment method of the Rotating fields flexibility touch screen is comprised the steps of：1), surrounding is respectively provided with diagonal alignment target beyond the visible area of emission layer and receiving layer, while setting binding area's alignment target at FPC binding area；The geometric position of the alignment target of the emission layer and receiving layer is identical；2), using diagonal contraposition laminating type, one of alignment target is the target of binding region for laminating.The present invention uses this applying method, yield, efficiency and the stability of the binding of product flexibility wiring board can be greatly improved, while to provide follow-up technical guarantee in narrow frame design.
Description
Technical field
The present invention relates to touch screen technical field, the especially conductive layer of middle large scale flexibility capacitance plate, and narrow frame,
The laminating alignment method of the Rotating fields flexibility touch screen of ultra-narrow frame.
Background technology
After iphone shifts projecting type capacitor formula touch screen onto a new high, touch screen is used as the most frequently used
Human-computer interaction interface, so that its is easy to use, sturdy and durable, reaction speed fast, save space the advantages of, be widely employed each
Digital information system is planted to be used.And with the development of technology, projecting type capacitor formula touch screen is bound to obtain huge in future
Big development, brings unprecedented experience.The birth of wearable device, has even more expedited the emergence of the business opportunity of flexible touch screen simultaneously,
Following number is just quietly arrived with trillion flexible touch screen market.
Because projected capacitive touch screen brings comfortable Consumer's Experience to user, many gestures and multiple point touching, day are supported
Raw high transmission rate and fine definition, thus obtained the favor of consumer.In large-sized market demand it is more and more wider, it is existing
Design cannot meet larger sized Anawgy accuracy, and narrow frame design.
The design major part of touch screen scheme has been directed to sandwich construction, is all by optical cement between each Rotating fields
(OCA etc.) is overlapped.The mode of existing superposition (also crying laminating) is mainly used to be realized precisely using CCD para-position board
Contraposition.Therefore Design Stage all can will need drone design product surrounding.Conventional small size and GG structures
Product to adopt be in this way without any problem.But for middle large scale, especially flexible conductive film, and narrow side
For frame touch screen, the precision of the mode of this contraposition does not just reach corresponding requirement.Due to large scale and the characteristic of flexibility,
Its laminating is somewhat forbidden, and the phenomenon of the product skew in folded structure just occurs, so as to cause FPC to be bound
(Bonding) inaccurate, bad stability is aligned, and its FPC binding efficiency is also greatly reduced.
The pursuit lighter and thinner to touch-control product, has derived narrow hem width.The design of narrow side money is gradually high into existing market
The target that end touch-control display product is pursued.This requires that the FPC binding region of done conducting film is smaller, that is, will
Ask golden finger width and golden finger spacing less and less.Golden finger width conventional at present and golden finger spacing be 0.3mm or
0.5mm.For the golden finger of 0.3mm and following width, conventional alignment method is just difficult to reach requirement.Therefore conventional
Contraposition just cannot meet such precision.
Therefore for the demand and above-mentioned corresponding problem of existing market, it is necessary to propose a kind of preferably contraposition side
Formula.
The content of the invention
In view of this, the present invention is intended to provide a kind of alignment method of more accurate Rotating fields conducting film.
To reach above-mentioned purpose, technical scheme is as follows：
A kind of laminating alignment method of Rotating fields flexibility touch screen, the Rotating fields flexibility touch screen is conductive comprising two-layer
Film, wherein one layer is emission layer, another layer of receiving layer；The emission layer and receiving layer are equipped with visible area and FPC is tied up
Determine area,
Comprise the steps of：
1) diagonal alignment target, is respectively provided with the outside of the visible area corner of emission layer and receiving layer, wherein at least is in place
A diagonal alignment target is respectively provided with two jiaos of area opposite side side of FPC binding outside, while being tied up in FPC
Determine to set binding area's alignment target at area；The diagonal alignment target of the emission layer and receiving layer is several with binding area's alignment target
What position corresponds respectively；
2) emission layer and receiving layer, are carried out into contraposition laminating, one of them with FPC binding area's opposite side is diagonal
One of binding area alignment target at alignment target and FPC binding area carries out contraposition laminating.
Due to alignment mode before using FPC binding area contraposition method laminating, laminating when
Wait, the contraposition in FPC binding area is exactly blind patch, therefore the precision of product laminating needs to be embodied in successive process
Out, the method for being provided using this present invention is fitted, and can be clearly visible that FPC binds the contraposition in area in laminating
Situation, thus the caused FPC binding skew that can effectively avoid fitting phenomenon, especially in narrow frame touch-control
The smaller golden finger width and spacing of Sensor Design, what is embodied on laminating alignment is more obvious.High-precision flexible circuitry
Plate binding technology such that it is able to reach the making requirement of narrow frame touching display screen, while FPC is tied up when improving production
Fixed efficiency.There must be more than one diagonal alignment target on FPC binding area's opposite side, to be tied up with FPC
The supporting contraposition of binding area alignment target for determining area is used.The present invention uses this applying method, and product can be greatly improved
Yield, efficiency and stability that FPC is bound, while to provide follow-up technical guarantee in narrow frame design.
Further, diagonal alignment target and binding area's alignment target are printed on together with cabling using silk-screen printing
On Rotating fields flexibility touch screen；
Further, by the way of nano impression, by diagonal alignment target and binding area's alignment target and cabling pressing
The technique for printing groove is stamped on Rotating fields flexibility touch screen, and carries out the coating of conductive material.
Further, the emission layer and receiving layer that will make diagonal alignment target and binding area's alignment target use CCD
Contraposition laminating；And choose one of wherein binding area's alignment target of the FPC binding region of a floor conducting film and opposite side
Diagonal alignment target is aligned；
The conducting film for finally posting carries out FPC binding.
Further, it is arranged at that diagonal alignment target beyond visible area is located at emission layer and four of receiving layer diagonal.
Further, it is respectively provided with least two binding areas contraposition target at the FPC binding area of emission layer and receiving layer
Mark；
From a binding area contraposition target in the floor FPC binding area in emission layer and receiving layer during contraposition
A diagonal alignment target on mark and FPC binding area's opposite side is aligned.
Further, binding area's alignment target is arranged at the center line away from Rotating fields flexibility touch screen.
Further, laminating is adjusted using CCD devices, now the para postion of CCD, area is bound with FPC
In binding area alignment target be loci.
Further, the alignment target is prepared using typography；Or be integrally formed using metal grill, metal grill
Size≤50um.
Further, the profile line width D >=0.2mm of the alignment target.
Further, the alignment target is word, mathematic sign, additional character or geometrical pattern.
Brief description of the drawings
Technical scheme in technology in order to illustrate more clearly the embodiments of the present invention, in being described to embodiment technology below
The required accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some realities of the invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the receiving layer drone design schematic diagram of conducting film.
Fig. 2 is the emission layer drone design schematic diagram of conducting film.
Fig. 3 is the schematic diagram after conducting film laminating.
Schematic diagram when Fig. 4 is FPC and touch sensing preparation contraposition.
Fig. 5 is the enlarged diagram of product golden finger.
Fig. 6 is that FPC binds area's alignment target enlarged drawing.
Fig. 7 is the golden finger schematic diagram on FPC.
Fig. 8 is the schematic diagram of golden finger on conducting film.
Fig. 9 (a) is that FPC binding offsets schematic diagram up and down, and Fig. 9 (b) is that FPC binds left and right partially
Schematic diagram is moved, Fig. 9 (c) aligns normal schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The touch-control of narrow frame shows that the position reserved due to its edge is very limited, if using golden finger width and
If being designed away from the golden finger for 0.5mm, frame comes to reserve the position of FPC, and the rigidity for resulting in frame is big
Big decline, does not reach the rigid demand of touching display screen.Therefore be accomplished by using golden finger width and spacing for 0.3mm even
Smaller design.
As shown in Fig. 9 (a) and Fig. 9 (b), so small design load can also accomplish for small size, but in
For large scale, its contraposition skew little by little may result in when FPC is bound occur out, short circuit, and inefficiency shows
As.
Such as diagonal is 23 feet of conducting film, and the port number of its general emission layer is 61, and the port number of receiving layer is
106, according to the golden finger width and spacing of 0.5mm, the length of its FPC is up to 170mm, and this is for narrow frame
For be really too big.And using the golden finger width and distance values of 0.3mm, the length of its FPC only has 106mm,
It is greatly reduced its length.But from for contraposition laminating above, 0.3mm but increases many difficulty than 0.5mm.And use this hair
The method laminating of bright offer, the phenomenon of the caused FPC binding skew that can effectively avoid fitting, reaches narrow frame
The making requirement of touching display screen.The efficiency of FPC binding when improving production simultaneously.Defect on prior art should
This is placed on background section above, and this part is used to describe concrete technical scheme of the invention
The present invention provides a kind of laminating alignment method of Rotating fields flexibility touch screen,
A kind of laminating alignment method of Rotating fields flexibility touch screen, the Rotating fields flexibility touch screen is conductive comprising two-layer
Film, wherein one layer is emission layer, another layer of receiving layer；The emission layer and receiving layer are equipped with visible area and FPC is tied up
Determine area,
Comprise the steps of：
1) diagonal alignment target, is respectively provided with the outside of the visible area corner of emission layer and receiving layer, wherein at least is in place
A diagonal alignment target is respectively provided with two jiaos of area opposite side side of FPC binding outside, while being tied up in FPC
Determine to set binding area's alignment target at area；The diagonal alignment target of the emission layer and receiving layer is several with binding area's alignment target
What position corresponds respectively；
2) emission layer and receiving layer, are carried out into contraposition laminating, one of them with FPC binding area's opposite side is diagonal
One of binding area alignment target at alignment target and FPC binding area carries out contraposition laminating.
Due to alignment mode before using FPC binding area contraposition method laminating, laminating when
Wait, the contraposition in FPC binding area is exactly blind patch, therefore the precision of product laminating needs to be embodied in successive process
Out, the method for being provided using this present invention is fitted, and can be clearly visible that FPC binds the contraposition in area in laminating
Situation, thus the caused FPC binding skew that can effectively avoid fitting phenomenon, especially in narrow frame touch-control
The smaller golden finger width and spacing of Sensor Design, what is embodied on laminating alignment is more obvious.High-precision flexible circuitry
Plate binding technology such that it is able to reach the making requirement of narrow frame touching display screen, while FPC is tied up when improving production
Fixed efficiency.There must be more than one diagonal alignment target on FPC binding area's opposite side, to be tied up with FPC
The supporting contraposition of binding area alignment target for determining area is used.The present invention uses this applying method, and product can be greatly improved
Yield, efficiency and stability that FPC is bound, while to provide follow-up technical guarantee in narrow frame design.
The schematic diagram of receiving layer is as shown in figure 1, in the example depicted in fig. 1, four corners outside visible area are set
Diagonal alignment target, the diagonal alignment target of the embodiment covers the pattern of cross using circle, wherein 1,2 is (flexible top
Wiring board bind area's opposite side) two jiaos of left and right diagonal alignment target, wherein 5 for be arranged at FPC bind area binding
Area's alignment target, in this embodiment, binding area's alignment target uses cross, so can be by itself and diagonal alignment target area
Separate, the pattern of alignment target is defined by meeting design requirement, any pattern can be used, be such as any word, mathematics symbol
Number, additional character or geometrical pattern.
Fig. 2 is the schematic diagram of emission layer, and in the illustrated example shown in fig. 2, four corners outside visible area are provided with right
Angle alignment target, the diagonal alignment target of the example covers the pattern of cross using circle, wherein 3,4 is top (FPC
Binding area's opposite side) two jiaos of left and right diagonal alignment target, wherein 6 for be arranged at FPC binding area binding areas contraposition
Target, in this example, binding area's alignment target uses cross, it can be so made a distinction with diagonal alignment target,
The pattern of alignment target is defined by meeting design requirement, can use any pattern, is such as any word, mathematic sign, special
Symbol or geometrical pattern.
The position of the diagonal alignment target in Fig. 1 and Fig. 2 corresponds.Emission layer and receiving layer correspondence position it is diagonal right
Position target uses consistent pattern and size.There must be more than one diagonal alignment target on FPC binding area's opposite side
(being the example of two in Fig. 1 and Fig. 2), uses to the supporting contraposition of binding area alignment target with FPC binding area.
The present invention uses this applying method, and yield, efficiency and the stability of the binding of product flexibility wiring board can be greatly improved,
While to provide follow-up technical guarantee in narrow frame design.It is diagonal in diagonal alignment target 1,2, and Fig. 2 in such as Fig. 1
Alignment target 3,4.As needed, same visible area corner outside can also set the diagonal alignment target of two and the above,
In addition, visible area can also as needed be respectively provided with one or one with two jiaos of outsides of FPC binding area the same side
Diagonal alignment target above.It is that the situation that 1 diagonal alignment target is respectively provided with the outside of visible area corner is shown in Fig. 1 and Fig. 2
Example.
In actual production, alignment target can be printed on using silk-screen printing by Rotating fields flexibility touch-control together with cabling
On screen；
Or by the way of nano impression, alignment target with cabling is stamped in Rotating fields with the technique of embossed grooves soft
On property touch screen, and carry out the coating of conductive material.
Generally when laminating is aligned, the emission layer and receiving layer of diagonal alignment target and binding area's alignment target will be made
Fitted using CCD para-position；One in the binding area of the wherein floor in diagonal alignment target selection receiving layer and emission layer is tied up
Determine area's alignment target, and a diagonal alignment target of FPC binding area's opposite side carries out laminating contraposition.Such as Fig. 1 institutes
Show, diagonal alignment target 2 and binding area's alignment target 5 can be chosen.It is possible thereby to monitor the contraposition in binding area in laminating
Situation, so that aligning accuracy when ensureing that follow-up FPC is bound.Be can see from CCD when FPC is bound
The distance between golden finger d1 is bound between emission layer and receiving layer with the correspondence position of flexible circuitry edge connector apart from d2
It is almost equal, therefore can very easily align and ensure aligning accuracy.
The method provided using this present invention is fitted, due to that can ensure between emission layer and receiving layer between golden finger
It is almost equal apart from d2 with FPC correspondence position apart from d1, therefore contraposition is got up easily, it is not necessary to adjust
Deviant, therefore the caused phenomenon for binding area's skew of fitting can be effectively avoided, reach the system of narrow frame touching display screen
It is required, while improving the efficiency bound during production.
Post later product as shown in figure 3, wherein 7 be visible area, 8 be FPC bind area.Fig. 9 (c) is
Unmigrated situation, the i.e. qualified situation of contraposition laminating.
In certain embodiments, the alignment target of 2 or more than 2 is respectively provided with the binding area of emission layer and receiving layer；
It is preferred that two.Selected during to follow-up laminating and do alignment target.
It is the binding area contraposition that the correspondence position in area is bound in receiving layer and emission layer from two-layer conducting film during contraposition
The diagonal alignment target of target and two-layer correspondence position carries out contraposition laminating.In certain embodiments, positioned at emission layer and will connect
Binding area alignment target in receipts floor binding area is arranged at the center line away from Rotating fields flexibility touch screen.Avoid two locis
The straight line at place is parallel with product edge, although causing loci to be aligned, and product produces and offsets and cannot perceive.
In certain embodiments, laminating is adjusted using CCD devices, now the para postion of CCD, with binding area
Binding area's alignment target is loci, when emission layer and the corresponding diagonal alignment target of reception and binding area's alignment target overlap
When, representing that contraposition is completed, can fit.
In actual production, the alignment target (the diagonal alignment target and binding area alignment target that are referred to herein) can
Prepared using typography；Or be integrally formed using metal grill, the size≤50um of metal grill.
Preferably, the profile line width D >=0.2mm of the alignment target.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. a kind of laminating alignment method of Rotating fields flexibility touch screen, the Rotating fields flexibility touch screen includes two-layer conducting film,
Wherein one layer is emission layer, another layer of receiving layer；The emission layer and receiving layer are equipped with visible area and FPC binding
Area, it is characterised in that
Comprise the steps of：
1) diagonal alignment target, is respectively provided with the outside of the visible area corner of emission layer and receiving layer, wherein at least is positioned at soft
Property two jiaos of area opposite side side of wiring board binding outside be respectively provided with a diagonal alignment target, while in FPC binding area
Place sets binding area's alignment target；The diagonal alignment target of the emission layer and receiving layer and the geometry position of binding area's alignment target
Put and correspond respectively；
2) emission layer and receiving layer, are carried out into contraposition laminating, one of them diagonal contraposition of area's opposite side is bound with FPC
One of binding area alignment target at target and FPC binding area carries out contraposition laminating.
2. the laminating alignment method of Rotating fields as claimed in claim 1 flexibility touch screen, it is characterised in that
Diagonal alignment target and binding area's alignment target Rotating fields flexibility is printed on together with cabling using silk-screen printing to touch
On control screen.
3. the laminating alignment method of Rotating fields as claimed in claim 1 flexibility touch screen, it is characterised in that
By the way of nano impression, by diagonal alignment target and binding area's alignment target with cabling with the technique pressure of embossed grooves
It is imprinted on Rotating fields flexibility touch screen, and carries out the coating of conductive material.
4. the laminating alignment method of the flexible touch screen of Rotating fields as described in Claim 1-3 is any, it is characterised in that will make
The emission layer and receiving layer for performing diagonal alignment target and binding area's alignment target are fitted using CCD para-position；And choose wherein one
Binding area's alignment target of the FPC binding region of floor conducting film and one of opposite side diagonal alignment target are aligned；
The conducting film for finally posting carries out FPC binding.
5. the laminating alignment method of the flexible touch screen of Rotating fields as described in Claim 1-3 is any, it is characterised in that set
Diagonal alignment target beyond visible area is located at emission layer and four of receiving layer diagonal.
6. the laminating alignment method of the flexible touch screen of Rotating fields as described in Claim 1-3 is any, it is characterised in that
At least two binding area alignment targets are respectively provided with the FPC binding area of emission layer and receiving layer；
During contraposition from emission layer and receiving layer a floor FPC binding area in one binding area's alignment target and
A diagonal alignment target on FPC binding area's opposite side is aligned.
7. the laminating alignment method of Rotating fields as claimed in claim 6 flexibility touch screen, it is characterised in that binding area contraposition target
Mark is arranged at the center line away from Rotating fields flexibility touch screen.
8. the laminating alignment method of Rotating fields as claimed in claim 6 flexibility touch screen, it is characterised in that use CCD devices
Laminating is adjusted, now the para postion of CCD, with the binding area alignment target in FPC binding area as loci.
9. the laminating alignment method of the flexible touch screen of Rotating fields as described in Claim 1-3 is any, it is characterised in that described
Alignment target is prepared using typography；Or be integrally formed using metal grill, the size≤50um of metal grill.
10. the laminating alignment method of the flexible touch screen of Rotating fields as described in Claim 1-3 is any, it is characterised in that described
The profile line width D >=0.2mm of alignment target.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611112295.7A CN106739384B (en) | 2016-12-07 | 2016-12-07 | A kind of fitting alignment method of layer of structural flexibility touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611112295.7A CN106739384B (en) | 2016-12-07 | 2016-12-07 | A kind of fitting alignment method of layer of structural flexibility touch screen |
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| CN106739384A true CN106739384A (en) | 2017-05-31 |
| CN106739384B CN106739384B (en) | 2018-09-04 |
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| CN108170308A (en) * | 2017-12-25 | 2018-06-15 | 业成科技（成都）有限公司 | Special-shaped material is bonded alignment method |
| CN108839084A (en) * | 2018-06-27 | 2018-11-20 | 无锡积捷光电材料有限公司 | Flat cutter mold monitoring contraposition mark |
| CN111488075A (en) * | 2020-04-02 | 2020-08-04 | 星星触控科技(深圳)有限公司 | Flexible touch screen and manufacturing method thereof |
| CN111831143A (en) * | 2019-04-22 | 2020-10-27 | 深圳市深越光电技术有限公司 | Flexible touch panel and preparation method thereof |
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| CN108170308A (en) * | 2017-12-25 | 2018-06-15 | 业成科技（成都）有限公司 | Special-shaped material is bonded alignment method |
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| CN111831143A (en) * | 2019-04-22 | 2020-10-27 | 深圳市深越光电技术有限公司 | Flexible touch panel and preparation method thereof |
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| CN111488075A (en) * | 2020-04-02 | 2020-08-04 | 星星触控科技(深圳)有限公司 | Flexible touch screen and manufacturing method thereof |
| CN111488075B (en) * | 2020-04-02 | 2023-06-13 | 星星触控科技(深圳)有限公司 | Flexible touch screen and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN106739384B (en) | 2018-09-04 |
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