CN105700747B - Jointing method of curved touch panel and flexible circuit board - Google Patents
Jointing method of curved touch panel and flexible circuit board Download PDFInfo
- Publication number
- CN105700747B CN105700747B CN201610013914.0A CN201610013914A CN105700747B CN 105700747 B CN105700747 B CN 105700747B CN 201610013914 A CN201610013914 A CN 201610013914A CN 105700747 B CN105700747 B CN 105700747B
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- China
- Prior art keywords
- circuit board
- flexible circuit
- contact panel
- curved surface
- surface contact
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Classifications
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- 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
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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)
- Combinations Of Printed Boards (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a joint method of a curved touch panel and a flexible printed circuit board. The method comprises following steps of S10, placing conductive adhesive in the joint area of the curved touch panel; S20, bending the flexible printed circuit board, wherein the bended flexible printed circuit board has a joint area and a non-joint area; S40, laminating the joint area of the bended flexible printed circuit board and the joint area of the curved touch panel, wherein the connection mat of the joint area of the bended flexible printed circuit board and the joint mat of the curved touch panel are communicated through the conductive adhesive. Through adoption of the joint method provided by the invention, the flexible printed circuit board is prevented from generating size offset in the joint process; and the flexible printed circuit board and the curved touch panel are jointed effectively.
Description
Technical field
The present invention relates to a kind of method that contact panel is fitted with flexible circuit board, specifically, be related to one kind will be soft
Method after property circuit board bending forming to fit in curved surface contact panel.
Background technology
In recent years, the electronics with touch-control input function such as mobile phone, Vehicular guidance system, pocket computer, computer sets
It is standby to be widely used, and these products are commonly provided with contact panel.Contact panel of the prior art can be resistance-type, electricity
Appearance formula, infrared induction, induction, sound wave induction type etc..
For example, as shown in figure 1, capacitance type touch-control panel 1 can be defined a Touch Zone 100V and be located at the touch-control
The Zhou Bianqu 100B of area at least side, multiple touch-control sensing units 10 may be disposed at Touch Zone 100V, and with the touch-control sensing
Multiple first joint sheets 11 and multiple second joint sheets 12 that unit 10 is connected may be disposed at Zhou Bianqu 100B.Each touch-control sense
Answer unit 1010 can pass through first joint sheet 11 and the second joint sheet 12 of Zhou Bianqu 100B respectively with a flexible circuit board 2
Connection gasket 21 is coupled, and then touch-control sensing unit 1010 is electrically connected to flexible circuit board 2, in addition the control electricity of welding system
Road.
In traditional plane contact panel, connection gasket and the engagement of the joint sheet of contact panel 1 of flexible circuit board 2 are
Mature technology.As shown in Figure 2 a, flexible circuit board 2 is pressed on the conducting resinl 3 of contact panel 1 using hot pressing pressure head 4 directly, is made
Flexible circuit board 2 is turned on by conducting resinl 3 with the circuit of contact panel 1.
With the popularization of smart electronicses product, the application of curved surface contact panel is more and more extensive, as shown in Figure 2 b, traditional
When the flexible circuit board of plane contact panel is fixed and interconnection technique is applied in curved surface contact panel 1 ', when under hot pressing pressure head 4
During pressure, flexible circuit board 2 can occur bending and deformation, and the microscope carrier of flexible circuit board 2 cannot fix flexible circuit board 2 well, and
Cause 2 size offset of flexible circuit board, it is impossible to be aligned with conducting resinl 3, producing curved surface contact panel 1 ' can not with flexible circuit board 2
The problem of effectively connection.
Below only illustrated with the combination of flexible circuit board and curved surface contact panel, in other workpiece to be formed and curved surface phase
The problem of size offset is also easy to produce when there is also above-mentioned laminating with reference to during.
The content of the invention
Present invention aim to address the applying method of existing flexible circuit board is not suitable for asking for curved surface contact panel
Topic, there is provided a kind of method fitted with flexible circuit board by curved surface contact panel, will be pasted after flexible circuit board bending forming again
Together in curved surface contact panel.
To achieve these goals, the method that curved surface contact panel of the invention is fitted with flexible circuit board includes following step
Suddenly：
Conducting resinl is placed in the bonding land of curved surface contact panel by S10；
Flexible circuit board is carried out bending forming by S20, and the flexible circuit board after bending forming is formed with conformable region and non-patch
Close area；
S40, bonding land of the conformable region of the flexible circuit board after bending forming with curved surface contact panel is pressed, is bent into
The connection gasket of the conformable region of the flexible circuit board after type is turned on by conducting resinl with the joint sheet of the bonding land of curved surface contact panel.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, in step S20
Also include step and step S40 between：
S30, the bonding land that the conformable region of the flexible circuit board after bending forming is conformed to curved surface contact panel in advance lead
On electric glue.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, step S20 is also
Comprise the steps：
Flexible circuit board is crossed into bending forming, then makes flexible circuit board recoil to required angle.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, step S30 is also
Comprise the steps：
S31, using the flexible circuit board after the absorption bending forming of the pre-pressing pressure head with vacuum suction.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, step S30 is also
Comprise the steps：
S32, before carrying out pre- laminating, to the conformable region of the flexible circuit board after bending forming and connecing for curved surface contact panel
Closing area carries out alignment positioning.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, step S30 is also
Comprise the steps：
S33, forces in pre-pressing pressure head by a pressing pressure head, by the conformable region of the flexible circuit board after bending forming
Pre- laminating is carried out with the bonding land of curved surface contact panel.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, step S31 is also
Comprise the steps：
Pre-pressing pressure head simultaneously adsorbs the conformable region and non-conformable region of the flexible circuit board after bending forming.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, step S40 is also
Comprise the steps：
Using malleation combined pressure head by the bonding land of the conformable region of the flexible circuit board after bending forming and curved surface contact panel
Press completely, the malleation combined pressure head has the first height and the second height with the composition surface of the conformable region of flexible circuit board, the
One height is less than the second height, pad region periphery in the conformable region of the correspondence flexible circuit board of the composition surface with the first height
Region, the pad region in the correspondence conformable region of the composition surface with the second height with connection gasket.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, the patch of flexible circuit board
The length for closing the connection gasket in area is 0.1～0.5mm.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, the curved surface touch surface
Plate includes the reeded cover plate of a tool, and the bonding land of the curved surface contact panel is located in the groove.
In one embodiment of the method that above-mentioned curved surface contact panel is fitted with flexible circuit board, the depth of groove is big
In equal to 0.2mm.
The beneficial functional of the present invention is flexible circuit board can be avoided to send out in engagement using the applying method of the present invention
Raw size offset, it is ensured that flexible circuit board is effectively engaged with curved surface contact panel, particularly in flexible circuit board land area
It is less, and/or in the case of curved surface contact panel groove relatively depth, adopt and first bend flexible circuit board, then press soft after bending
Property circuit board and curved surface contact panel, can effectively fix and accurately realize connecing for flexible circuit board and curved surface contact panel
Close.
Following connection with figures and specific embodiment describe the present invention, but not as a limitation of the invention.
Description of the drawings
Structural representations of the Fig. 1 for contact panel.
Fig. 2 a are fitted with flexible circuit board schematic diagram for plane contact panel.
Fig. 2 b are the schematic diagram using prior art laminating curved surface contact panel with flexible circuit board.
Fig. 3 is the structural representation after the completion of the applying method laminating using the present invention.
The step of Fig. 4 is the applying method of the present invention is schemed.
Fig. 5 is the operation chart of the S10 of the applying method of the present invention.
Fig. 6 is the operation chart of the S20 of the applying method of the present invention.
Fig. 7 is the operation chart of the S30 of the applying method of the present invention.
Fig. 8 is the operation chart of the S40 of the applying method of the present invention.
Fig. 9 is the concrete steps figure of the S30 of the applying method of the present invention.
Figure 10 be the present invention applying method S40 in malleation combined pressure head structural representation.
Wherein, reference
In prior art：
1 contact panel
100V Touch Zones
100B week border areas
10 touch-control sensing units
11 first joint sheets
12 second joint sheets
2 flexible circuit boards
21 connection gaskets
3 conducting resinls
4 hot pressing pressure heads
In the present invention：
S10-S40, S31-S33 step
300 flexible circuit boards
330 conformable regions
340 non-conformable regions
400 curved surface contact panels
410 bonding lands
500 conducting resinls
Y1 pre-pressing pressure heads
Y2 malleation combined pressure heads
S1 composition surfaces
S2 composition surfaces
The first height of H1
The second height of H2
Specific embodiment
Connection with figures and specific embodiment are described in detail to technical solution of the present invention below, to be further understood that
The purpose of the present invention, scheme and effect, but it is not intended as the restriction of scope of the appended claims of the present invention.
The curved surface contact panel of the present invention is, for example, 2.5D with the curved surface contact panel in the applying method of flexible circuit board
Or the contact panel of 3D.As shown in figure 3, curved surface contact panel 400 is 2.5D, contact panel 400 includes a cover plate, cover plate
Side is bending relative to first type surface, therefore the side of cover plate makes cover plate be formed with a groove with first type surface.Curved surface contact panel
400 touch-control sensing unit (not shown) is usually located at the groove side of cover plate, for example, be formed directly in groove surfaces, touches
The corresponding bonding land of control sensing unit is located in groove, and the side of neighbouring cover plate.Flexible circuit board 300 is typically plane,
Although with certain pliability, but still with certain hardness, when being engaged with curved surface contact panel 400, Yi Fa
Give birth to size offset and cannot be turned on by conducting resinl 500 with the circuit of the bonding land of curved surface contact panel 400.Particularly, when soft
The area very little of the conformable region of property circuit board 300, the length of such as connection gasket is in 0.1mm～0.5mm or so, and/or cover plate
Depth of groove is deeper, such as when depth is more than or equal to 0.2mm, the engagement difficulty of flexible circuit board 300 and curved surface contact panel 400
It is bigger, if size slightly offsets, most probably cause the problem of Joint failure.
Using the applying method in the present invention, bending forming is carried out to flexible circuit board 300 first before engagement, can be avoided
There is size offset in engagement in flexible circuit board 300, it is ensured that flexible circuit board 300 is effectively fitted with curved surface contact panel 400.
As shown in figure 4, the method that the curved surface contact panel of the present invention is fitted with flexible circuit board, comprises the steps：
Conducting resinl 500 is placed in the bonding land 410 (as shown in Figure 5) of curved surface contact panel 400 by S10, and bonding land 410 has
The touching signals for having joint sheet, curved surface contact panel 400 can be outwards transmitted by joint sheet.
Flexible circuit board 300 is carried out bending forming (as shown in Figure 6) by S20, the flexible circuit board 300 after bending forming
It is formed with conformable region 330 and non-conformable region 340.Conformable region 330 is with the engagement with the bonding land 410 of curved surface contact panel 400
The corresponding connection gasket of pad.
The conformable region 330 of the flexible circuit board 300 after bending forming is conformed to song using pre-pressing pressure head Y1 by S30 in advance
On the conducting resinl 500 of the bonding land 410 of face contact panel 400 (as shown in Figure 7)；
S40, using malleation combined pressure head Y2 by the engagement of the conformable region 330 of flexible circuit board 300 and curved surface contact panel 400
Area 410 presses (such as Fig. 8) completely, the connection gasket of the conformable region 330 of flexible circuit board 300 and the engagement of curved surface contact panel 400
The joint sheet in area 410 is turned on by conducting resinl 500, and the touching signals of curved surface contact panel 400 are transferred to soft by joint sheet
Touching signals are passed to controller by circuit board 300, flexible circuit board 300 again.
With reference to Fig. 6, in one embodiment, in above-mentioned steps S20, during bending forming flexible circuit board 300, can first will be soft
Circuit board 300 crosses bending forming, such as 30 degree, then recoils to which using flexible circuit board 300 screen resilience of itself suitable
2.5D the angle of contact panel laminating.
Refering to Fig. 9, in one embodiment, above-mentioned steps S30 also comprise the steps：
S31, using the flexible circuit board 300 after the absorption bending formings of the pre-pressing pressure head Y1 with vacuum suction.
S32, conformable region 330 and the curved surface touch surface before carrying out pre- laminating, to the flexible circuit board 300 after bending forming
The bonding land 410 of plate 400 carries out alignment positioning.
S33, forces in pre-pressing pressure head Y1 by malleation combined pressure head Y2, by the conformable region 330 of flexible circuit board 300 with
The bonding land 410 of curved surface contact panel 400 carries out pre- laminating (as shown in Figure 7).
Wherein, with reference to Fig. 7, step S31 also comprises the steps：After pre-pressing pressure head Y1 adsorbs bending forming simultaneously
Flexible circuit board 300 conformable region 330 and non-conformable region 340.Particularly when the face of the conformable region 330 of flexible circuit board 300
During product very little, the size of connection gasket is even more limited, and the absorption affinity of pre-pressing pressure head Y1 is also limited, in order to improve the reliability of absorption
Property, pre-pressing pressure head Y1 adsorbs the conformable region 330 and non-conformable region 340 of flexible circuit board 300 simultaneously, to increase absorption affinity, with
Relatively reliable fixed flexible circuit board 300.
Separately, in one embodiment, the height of the pad region with connection gasket of the conformable region 330 of flexible circuit board 300
Less than the height of the neighboring area being located in conformable region 330 in pad region, in order to ensure connecing for when just pressing conformable region 330
Close pad closely to press completely with the connection gasket of the bonding land 410 of curved surface contact panel 400, step S40 also include as
Lower step：Malleation combined pressure head Y2 has the first height and the second height with the composition surface of the conformable region 330 of flexible circuit board 300,
First height is less than the second height, pad zone in the conformable region 330 of the correspondence flexible circuit board 300 of the composition surface with the first height
The region of domain periphery, the pad region in the correspondence conformable region of the composition surface with the second height 330 with connection gasket.
As shown in Figure 10, malleation combined pressure head Y2 can have the composition surface S1 and composition surface S2 of notch cuttype, the height of faying face S1
Spend for H1, the height of faying face S2 is H2, the height height of H1 composition surface S1s relative less than H2, i.e. composition surface S2.Faying face S2 is pressed
The pad region in the conformable region 330 of flexible circuit board 300 with connection gasket is closed, composition surface S1 is used for pressing flexible circuit board
The region of pad region periphery in 300 conformable region 330.
Certainly, the present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, ripe
Know those skilled in the art and work as and various corresponding changes and deformation, but these corresponding changes and change can be made according to the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of method that curved surface contact panel is fitted with flexible circuit board, it is characterised in that comprise the steps：
S10, curved surface contact panel include the reeded cover plate of a tool, and the bonding land of curved surface contact panel is located in the groove,
Conducting resinl is placed in into the bonding land；
Flexible circuit board is carried out bending forming by S20, and the flexible circuit board after bending forming is formed with conformable region and non-laminating
Area；
S40, bonding land of the conformable region of the flexible circuit board after bending forming with curved surface contact panel is pressed, after bending forming
Flexible circuit board conformable region connection gasket and curved surface contact panel bonding land joint sheet by conducting resinl conducting.
2. the method that curved surface contact panel according to claim 1 is fitted with flexible circuit board, it is characterised in that described
Also include step between step S20 and step S40：
S30, the conformable region of the flexible circuit board after bending forming is conformed to the conducting resinl of the bonding land of curved surface contact panel in advance
On.
3. the method that curved surface contact panel according to claim 1 is fitted with flexible circuit board, it is characterised in that the step
Rapid S20 also comprises the steps：
Flexible circuit board is crossed into bending forming, then makes flexible circuit board recoil to required angle.
4. the method that curved surface contact panel according to claim 2 is fitted with flexible circuit board, it is characterised in that the step
Rapid S30 also comprises the steps：
S31, using the flexible circuit board after the absorption bending forming of the pre-pressing pressure head with vacuum suction.
5. the method that curved surface contact panel according to claim 4 is fitted with flexible circuit board, it is characterised in that the step
Rapid S30 also comprises the steps：
S32, before carrying out pre- laminating, the bonding land of conformable region and curved surface contact panel to the flexible circuit board after bending forming
Carry out alignment positioning.
6. the method that curved surface contact panel according to claim 4 is fitted with flexible circuit board, it is characterised in that the step
Rapid S30 also comprises the steps：
S33, forces in pre-pressing pressure head by a pressing pressure head, by the conformable region of the flexible circuit board after bending forming and song
The bonding land of face contact panel carries out pre- laminating.
7. the method that curved surface contact panel according to claim 4 is fitted with flexible circuit board, it is characterised in that described
Step S31 also comprises the steps：
Pre-pressing pressure head simultaneously adsorbs the conformable region and non-conformable region of the flexible circuit board after bending forming.
8. the method that curved surface contact panel according to claim 1 is fitted with flexible circuit board, it is characterised in that the step
Rapid S40 also comprises the steps：
Will be the conformable region of the flexible circuit board after bending forming complete with the bonding land of curved surface contact panel using malleation combined pressure head
Pressing, the malleation combined pressure head have the first height and the second height with the composition surface of the conformable region of flexible circuit board, and first is high
, less than the second height, in the conformable region of the correspondence flexible circuit board of the composition surface with the first height the area of pad region periphery for degree
Domain, the pad region in the correspondence conformable region of the composition surface with the second height with connection gasket.
9. the method that curved surface contact panel according to claim 1 is fitted with flexible circuit board, it is characterised in that soft electricity
The length of the connection gasket in the conformable region of road plate is 0.1～0.5mm.
10. the method that curved surface contact panel according to claim 1 is fitted with flexible circuit board, it is characterised in that described
Depth of groove is more than or equal to 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013914.0A CN105700747B (en) | 2016-01-08 | 2016-01-08 | Jointing method of curved touch panel and flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013914.0A CN105700747B (en) | 2016-01-08 | 2016-01-08 | Jointing method of curved touch panel and flexible circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105700747A CN105700747A (en) | 2016-06-22 |
| CN105700747B true CN105700747B (en) | 2017-03-22 |
Family
ID=56227138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610013914.0A Active CN105700747B (en) | 2016-01-08 | 2016-01-08 | Jointing method of curved touch panel and flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105700747B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664158B (en) * | 2017-03-29 | 2023-10-20 | 宸美（厦门）光电有限公司 | touch display |
| CN107422918B (en) * | 2017-08-04 | 2020-12-08 | 业成科技（成都）有限公司 | Touch sensing structure and manufacturing method thereof |
| CN107463293B (en) * | 2017-08-07 | 2020-06-16 | 业成科技（成都）有限公司 | Touch panel |
| CN108304097B (en) * | 2018-04-13 | 2021-04-23 | 业成科技（成都）有限公司 | Curved surface touch module structure and laminating method thereof |
| CN108693998B (en) * | 2018-05-11 | 2021-04-27 | 武汉华星光电半导体显示技术有限公司 | Curved surface laminating device and curved surface laminating method |
| CN110174965B (en) * | 2019-05-09 | 2022-05-20 | 业成科技（成都）有限公司 | Narrow-frame touch panel |
| CN110197618B (en) * | 2019-06-28 | 2020-08-25 | 云谷（固安）科技有限公司 | Laminating method of curved-surface display panel |
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| CN104777949A (en) * | 2014-01-09 | 2015-07-15 | 广达电脑股份有限公司 | Capacitive touch panel |
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| CN1979268A (en) * | 2005-12-08 | 2007-06-13 | 群康科技(深圳)有限公司 | Mfg. apparatus for liquid crystal display device and method thereof |
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| Publication number | Publication date |
|---|---|
| CN105700747A (en) | 2016-06-22 |
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