CN208636818U - A kind of touch screen with anti-tear FPC - Google Patents
A kind of touch screen with anti-tear FPC Download PDFInfo
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- CN208636818U CN208636818U CN201821345567.2U CN201821345567U CN208636818U CN 208636818 U CN208636818 U CN 208636818U CN 201821345567 U CN201821345567 U CN 201821345567U CN 208636818 U CN208636818 U CN 208636818U
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- fpc
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- fpc connecting
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Abstract
The utility model discloses a kind of touch screens with anti-tear FPC, belong to field of electronic device, its key points of the technical solution are that, including touch panel, panel driving chip and FPC connecting line for connecting touch panel and panel driving chip, the left dorsal of touch panel is closely fitted with FPC connecting line, FPC connecting line is connected with panel driving chip far from one end of touch panel, the top center position of FPC connecting line is FPC groove, the front of FPC connecting line is fixedly connected with copper coil, and the top edge of copper coil is closely fitted with outer edge.FPC groove is reinforced by outer edge and copper coil, guarantee the integrality of FPC connecting line, the stability of FPC connecting line signal transmission is strengthened by electromagnetic shielding film, pass through the stiffening plate being arranged in FPC connecting line, increase the mechanical strength of FPC connecting line, the integrality for guaranteeing FPC connecting line mitigates influence of the exterior vibration to winding displacement inside FPC connecting line by solid, guarantees the transmission stability of FPC connecting line.
Description
Technical field
The utility model relates to field of electronic device, in particular to a kind of touch screen with anti-tear FPC.
Background technique
It using polyimides or polyester film is one kind made of substrate with height reliability that FPC, which is a kind of, excellent flexible
Property flexible circuit board, nowadays the inner space of touch screen is smaller and smaller so that inside touch screen mechanism design increasingly
Complexity certainly will require the mechanism inside FPC and electronic product closely to attach to save space, usually be folded into the FPC of plate
3D three-dimensional shape, or the various grooves for meeting product feature are set on FPC, to adapt to complicated and small touch screen, but
Be it is lower with the usual intensity of reeded FPC, FPC can not be given to provide enough intensity.
Authorization Notice No. is that the Chinese patent of CN202190455U discloses a kind of flexible circuit board, pure by pure glue bond
Copper foil will not lead to the problem of melanism, but this kind of FPC not can guarantee the steady of FPC groove when tin welding is melted in progress hot pressing
It is fixed, it be easy to cause FPC to tear, and enough intensity can not be provided to FPC to guarantee the mechanical strength of FPC connecting line.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of touches with anti-tear FPC
Screen reinforces FPC groove by outer edge and copper coil, guarantees the integrality of FPC connecting line, strengthened by electromagnetic shielding film
The stability of FPC connecting line signal transmission increases the machine of FPC connecting line by the stiffening plate being arranged in FPC connecting line
Tool intensity guarantees the integrality of FPC connecting line, mitigates influence of the exterior vibration to winding displacement inside FPC connecting line by solid,
The transmission stability for guaranteeing FPC connecting line wraps up the winding displacement inside FPC connecting line by PI protective film secret, strengthens FPC company
The stability of wiring.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of with anti-tear
The touch screen of FPC, including touch panel, panel driving chip and for connecting the touch panel and panel driving chip
FPC connecting line, the left dorsal of the touch panel is closely fitted with FPC connecting line, and the FPC connecting line is far from touch surface
One end of plate is connected with panel driving chip, and the top center position of the FPC connecting line is FPC groove, the FPC connecting line
Front be fixedly connected with copper coil, the top edge of the copper coil is closely fitted with outer edge, the copper coil with it is described
Outer edge is located at the underface of FPC groove, and the lower end surface of the FPC connecting line is closely fitted with electromagnetic shielding film, the electromagnetism
The upper surface of screened film is fixedly connected with stiffening plate, and the upper surface of the stiffening plate is closely fitted with copper clad laminate.
Further, the upper and lower end face of the FPC connecting line is closely fitted with PI protective film, and the PI protective film
Area be greater than FPC connecting line area.
Further, the upper surface of the copper clad laminate is fixedly connected with solid, and the upper surface of the solid with
PI protective film fits closely.
Further, the lateral wall of the touch panel is closely fitted with frame, the underside of forward interposition of the frame
It sets and is closely fitted with graphic button, and there are three the graphic button is arranged altogether, and three graphic buttons are distinguished from left to right
For menu button, main interface button and return push-button.
Further, the upper surface of the touch panel is closely fitted with PET protection film, the lower end of the PET protection film
Face is fixedly connected with PET panel, and the lower end surface of the PET panel is closely fitted with touch-control sensor front ITO, the touch-control sense
The lower end surface of device front ITO is answered to be fixedly connected with touch-control sensor back side ITO, the touch-control sensor front ITO and touch-control sense
The crevice place of device back side ITO is answered to be closely fitted with glass substrate.
Further, the lower end surface of the touch panel is closely fitted with foam rubber, and the upper surface of the foam rubber is fixed
It is connected with double-sided adhesive, and the upper surface of the double-sided adhesive and the lower end surface of touch-control sensor back side ITO fit closely.
Further, the upper surface of the copper clad laminate is fixedly connected with winding displacement, and the upper surface of the winding displacement with then
Agent fits closely.
Further, the top right side of the FPC connecting line is fixedly connected with windowing, described to open a window far from FPC connecting line
One end fitted closely with touch panel, the bottom of the FPC connecting line is fixedly connected with FPC connector, the FPC connector
One end far from FPC connecting line is connected together with panel driving chip.
In conclusion the utility model has the following beneficial effects:
1, the touch screen with anti-tear FPC is fixedly connected with copper coil in the front of FPC connecting line, copper coil
Top edge is closely fitted with outer edge, and copper coil and outer edge are located at the underface of FPC groove, and one end of outer edge is located at
Outside FPC groove, the other end is fixedly connected on FPC connecting line, reinforces FPC groove close to FPC by outer edge and copper coil
The side of connecting line avoids the case where tearing FPC connecting line when external force is on the outside of FPC groove, guarantees FPC connecting line
Integrality.
2, the touch screen with anti-tear FPC is closely fitted with electromagnetic shielding film in the lower end surface of FPC connecting line, electricity
Magnetic shield film is located at FPC connecting line lower end, and touch panel setting is close in the side by that will be provided with electromagnetic shielding film, avoids touching
The signal transmission inside the electromagnetic wave influence FPC connecting line that panel work issues is controlled, the transmission of FPC connecting line signal is strengthened
Stability.
3, the touch screen with anti-tear FPC is fixedly connected with stiffening plate in the upper surface of electromagnetic shielding film, by
The stiffening plate being arranged in FPC connecting line, increases the mechanical strength of FPC connecting line, avoids external force tearing FPC connection
The case where line, guarantees the integrality of FPC connecting line.
4, the touch screen with anti-tear FPC is fixedly connected with solid, and solid in the upper surface of copper clad laminate
Upper surface fitted closely with PI protective film, solid is smeared by flexible glue, can according to producer require adjustment solid thickness,
Mitigate influence of the exterior vibration to winding displacement inside FPC connecting line, guarantees the transmission stability of FPC connecting line.
5, the touch screen with anti-tear FPC is closely fitted with PI protective film in the upper and lower end face of FPC connecting line,
And the area of PI protective film is greater than the area of FPC connecting line, is closely wrapped by the PI protective film that upper and lower ends are greater than FPC connecting line
The winding displacement inside FPC connecting line is wrapped up in, outside air is avoided and enters situation inside FPC connecting line, strengthen FPC connecting line
Stability.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is the touch panel detail drawing of the utility model；
Fig. 3 is the FPC connecting line front view of the utility model；
Fig. 4 is the copper coil detail drawing of the utility model；
Fig. 5 is the FPC connecting line detail drawing of the utility model.
In figure, 1, frame；101, graphic button；2, touch panel；201, PET protection film；202, PET panel；203, it touches
Control inductor front ITO；204, glass substrate；205, touch-control sensor back side ITO；206, double-sided adhesive；207, foam rubber；3,
FPC connecting line；301, FPC groove；302, it opens a window；303, FPC connector；304, PI protective film；305, solid；306, electromagnetism
Screened film；4, copper coil；401, outer edge；5, copper clad laminate；501, winding displacement；6, stiffening plate；7, panel driving chip.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of touch screen with anti-tear FPC, including
Touch panel 2, panel driving chip 7 and the FPC connecting line 3 for connecting touch panel 2 and panel driving chip 7, touching
The left dorsal of control panel 2 is closely fitted with FPC connecting line 3, and FPC connecting line 3 is connected with panel far from one end of touch panel 2
The top center position of driving chip 7, FPC connecting line 3 is FPC groove 301, and the front of FPC connecting line 3 is fixedly connected with copper wire
Circle 4, the top edge of copper coil 4 are closely fitted with outer edge 401, and copper coil 4 and outer edge 401 are being located at FPC groove 301 just
One end of lower section, outer edge 401 is located at outside FPC groove 301, and the other end is fixedly connected on FPC connecting line 3, passes through outside
Line 401 and copper coil 4 reinforce FPC groove 301 close to the side of FPC connecting line 3, avoid when external force is in FPC groove 301
The case where FPC connecting line 3 is torn when outside, guarantees the integrality of FPC connecting line 3, the lower end surface of FPC connecting line 3 fits closely
There is electromagnetic shielding film 306, electromagnetic shielding film 306 is located at 3 lower end of FPC connecting line, by will be provided with electromagnetic shielding film 306 one
Side is close to touch panel 2 and is arranged, and the signal inside electromagnetic wave influence FPC connecting line 3 for avoiding the work of touch panel 2 from issuing passes
It is defeated, the stability of 3 signal of FPC connecting line transmission is strengthened, the upper surface of electromagnetic shielding film 306 is fixedly connected with stiffening plate 6, leads to
The stiffening plate 6 being arranged in FPC connecting line 3 is crossed, the mechanical strength of FPC connecting line 3 is increased, avoids external force tearing
The case where FPC connecting line 3, guarantees the integrality of FPC connecting line 3, and the upper surface of stiffening plate 6 is closely fitted with copper clad laminate 5.
Further, the upper and lower end face of FPC connecting line 3 is closely fitted with PI protective film 304, and PI protective film 304
Area is greater than the area of FPC connecting line 3, is connected by the 304 tight FPC of PI protective film that upper and lower ends are greater than FPC connecting line 3
Winding displacement 501 inside wiring 3 avoids outside air and enters situation inside FPC connecting line 3, strengthens FPC connecting line 3
Stability.
Further, the upper surface of copper clad laminate 5 is fixedly connected with solid 305, and the upper surface of solid 305 and PI
Protective film 304 fits closely, and solid 305 is smeared by flexible glue, and adjustment 305 thickness of solid can be required according to producer, is subtracted
Light influence of the exterior vibration to 3 inside winding displacement 501 of FPC connecting line, guarantees the transmission stability of FPC connecting line 3.
Further, the lateral wall of touch panel 2 is closely fitted with frame 1, and the underside of forward middle position of frame 1 is close
It is fitted with graphic button 101, and there are three the total settings of graphic button 101, and three graphic buttons 101 are respectively from left to right
Menu button, main interface button and return push-button, by these three graphic buttons 101 to touch screen provide wake up background task,
Main interface and return operation, in order to operation touch-screen.
Further, the upper surface of touch panel 2 is closely fitted with PET protection film 201, the lower end surface of PET protection film 201
It is fixedly connected with PET panel 202, the lower end surface of PET panel 202 is closely fitted with touch-control sensor front ITO203, touch-control sense
The lower end surface of device front ITO203 is answered to be fixedly connected with touch-control sensor back side ITO205, touch-control sensor front ITO203 and touching
The crevice place of control inductor back side ITO205 is closely fitted with glass substrate 204, when finger touches in PET protection film 201,
A coupled capacitor is formed at contact point, this electric current is conducted to panel driving chip by 202 4 jiaos of PET panel of electrode
7, driving chip 7 is by the calculating to quadrangle electrode current ratio so that it is determined that contacting points position.
Further, the lower end surface of touch panel 2 is closely fitted with foam rubber 207, and the upper surface of foam rubber 207 is fixed to be connected
It is connected to double-sided adhesive 206, and the upper surface of double-sided adhesive 206 and the lower end surface of touch-control sensor back side ITO205 fit closely, and pass through
Foam rubber 207 is bonded in 2 lower end surface of touch panel by double-sided adhesive 206, provides bonding to backboard when filling backboard to touch panel 2
Power, strengthens the stability of touch screen, and alleviates influence of the case vibration to internal touch panel 2.
Further, the upper surface of copper clad laminate 5 is fixedly connected with winding displacement 501, and the upper surface of winding displacement 501 and solid
305 fit closely, by copper clad laminate 5 arrange winding displacement 501, solve the problems, such as winding displacement 501 arrange it is unstable so that row
Line 501 can be preferably fixed in FPC connecting line 3, guarantee that the line security of FPC connecting line 3 is stablized.
Further, the top right side of FPC connecting line 3 is fixedly connected with windowing 302, and windowing 302 is far from FPC connecting line 3
One end fitted closely with touch panel 2, the bottom of FPC connecting line 3 is fixedly connected with FPC connector 303, FPC connector 303
One end far from FPC connecting line 3 is connected together with panel driving chip 7, windowing 302 and FPC by 3 both ends of FPC connecting line
Connector 303 links together touch panel 2 and panel touch chip 7, in order to which panel touch chip 7 handles touch surface
Touch signal on plate 2.
Working principle: firstly, the windowing 302 of FPC connecting line one end is connected on touch panel 2, pass through the other end
FPC connector 303 is connect with panel driving chip 7, presses graphic button 101, and graphic button 101 passes the current signal of contact
Panel driving chip 7 is given to carry out touch screen operation, FPC connecting line 3 is according to the corresponding FPC of structure setting of external electronic component
Groove 301, the copper coil 4 and outer edge 401 of 301 lower part of FPC groove, reinforces the mantle at FPC groove 301, finger
It touches when in PET protection film 201, forms a coupled capacitor at contact point, this electric current passes through 202 4 jiaos of PET panel
Electrode be conducted to panel driving chip 7, driving chip 7 is by the calculating to quadrangle electrode current ratio so that it is determined that contact point
Position, 304 tight bonds of PI protective film of 3 two sides of FPC connecting line is to close the internal component of FPC connecting line 3 and the external world connects
Touching, electromagnetic shielding film 306 separate the electromagnetic wave that the work of touch panel 2 issues, and strengthen the steady of 3 signal of FPC connecting line transmission
Qualitative, the pad of stiffening plate 6 increases the mechanical strength of flexibility FPC connecting line 3 in 3 lower end of FPC connecting line.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of touch screen with anti-tear FPC, including touch panel (2), panel driving chip (7) and for connecting
State the FPC connecting line (3) of touch panel (2) and panel driving chip (7), it is characterised in that: the back of the touch panel (2)
It is closely fitted with FPC connecting line (3) on the left of portion, the FPC connecting line (3) is connected with panel far from the one end of touch panel (2)
The top center position of driving chip (7), the FPC connecting line (3) is FPC groove (301), and the FPC connecting line (3) is just
Face is fixedly connected with copper coil (4), and the top edge of the copper coil (4) is closely fitted with outer edge (401), the copper coil
(4) it is located at the underface of FPC groove (301) with the outer edge (401), the lower end surface of the FPC connecting line (3) fits closely
Have electromagnetic shielding film (306), the upper surface of the electromagnetic shielding film (306) is fixedly connected with stiffening plate (6), the stiffening plate
(6) upper surface is closely fitted with copper clad laminate (5).
2. a kind of touch screen with anti-tear FPC according to claim 1, it is characterised in that: the FPC connecting line
(3) upper and lower end face is closely fitted with PI protective film (304), and the area of the PI protective film (304) is greater than FPC connection
The area of line (3).
3. a kind of touch screen with anti-tear FPC according to claim 2, it is characterised in that: the copper clad laminate (5)
Upper surface be fixedly connected with solid (305), and the upper surface of the solid (305) and PI protective film (304) are closely pasted
It closes.
4. a kind of touch screen with anti-tear FPC according to claim 1, it is characterised in that: the touch panel (2)
Lateral wall be closely fitted with frame (1), the underside of forward middle position of the frame (1) is closely fitted with graphic button
(101), and there are three the total settings of the graphic button (101), and three graphic buttons (101) are respectively menu from left to right
Button, main interface button and return push-button.
5. a kind of touch screen with anti-tear FPC according to claim 1, it is characterised in that: the touch panel (2)
Upper surface be closely fitted with PET protection film (201), the lower end surface of the PET protection film (201) is fixedly connected with PET panel
(202), the lower end surface of the PET panel (202) is closely fitted with touch-control sensor front ITO (203), the touch-control sensor
The lower end surface of positive ITO (203) is fixedly connected with touch-control sensor back side ITO (205), the touch-control sensor front ITO
(203) glass substrate (204) are closely fitted with the crevice place of touch-control sensor back side ITO (205).
6. a kind of touch screen with anti-tear FPC according to claim 1, it is characterised in that: the touch panel (2)
Lower end surface be closely fitted with foam rubber (207), the upper surface of the foam rubber (207) is fixedly connected with double-sided adhesive (206), and
The upper surface of the double-sided adhesive (206) and the lower end surface of touch-control sensor back side ITO (205) fit closely.
7. a kind of touch screen with anti-tear FPC according to claim 1, it is characterised in that: the copper clad laminate (5)
Upper surface be fixedly connected with winding displacement (501), and the upper surface of the winding displacement (501) is fitted closely with solid (305).
8. a kind of touch screen with anti-tear FPC according to claim 1, it is characterised in that: the FPC connecting line
(3) top right side is fixedly connected with windowing (302), the windowing (302) one end and touch surface far from FPC connecting line (3)
Plate (2) fits closely, and the bottom of the FPC connecting line (3) is fixedly connected with FPC connector (303), the FPC connector
(303) one end far from FPC connecting line (3) is connected together with panel driving chip (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821345567.2U CN208636818U (en) | 2018-08-18 | 2018-08-18 | A kind of touch screen with anti-tear FPC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821345567.2U CN208636818U (en) | 2018-08-18 | 2018-08-18 | A kind of touch screen with anti-tear FPC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208636818U true CN208636818U (en) | 2019-03-22 |
Family
ID=65742672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821345567.2U Active CN208636818U (en) | 2018-08-18 | 2018-08-18 | A kind of touch screen with anti-tear FPC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208636818U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112783374A (en) * | 2021-02-06 | 2021-05-11 | 华田信科（廊坊）电子科技有限公司 | Touch display panel with ultra-thick cover plate and test method thereof |
| CN113467636A (en) * | 2021-05-18 | 2021-10-01 | 北海翰博士科技有限公司 | Metal grid touch panel with winding nodes and preparation method thereof |
-
2018
- 2018-08-18 CN CN201821345567.2U patent/CN208636818U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112783374A (en) * | 2021-02-06 | 2021-05-11 | 华田信科（廊坊）电子科技有限公司 | Touch display panel with ultra-thick cover plate and test method thereof |
| CN112783374B (en) * | 2021-02-06 | 2023-03-28 | 华田信科（廊坊）电子科技有限公司 | Touch display panel with ultra-thick cover plate and test method thereof |
| CN113467636A (en) * | 2021-05-18 | 2021-10-01 | 北海翰博士科技有限公司 | Metal grid touch panel with winding nodes and preparation method thereof |
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