CN108925060A - Touch screen display module, FPC and preparation method thereof - Google Patents
Touch screen display module, FPC and preparation method thereof Download PDFInfo
- Publication number
- CN108925060A CN108925060A CN201810712168.3A CN201810712168A CN108925060A CN 108925060 A CN108925060 A CN 108925060A CN 201810712168 A CN201810712168 A CN 201810712168A CN 108925060 A CN108925060 A CN 108925060A
- Authority
- CN
- China
- Prior art keywords
- fpc
- metal layer
- touch screen
- production method
- insulating layer
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing the conductive pattern
- H05K3/243—Reinforcing the conductive pattern characterised by selective plating, e.g. for finish plating of pads
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0268—Marks, test patterns or identification means for electrical inspection or testing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0277—Bendability or stretchability details
- H05K1/028—Bending or folding regions of flexible printed circuits
-
- 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 invention discloses touch screen display modules, FPC and preparation method thereof.The production method includes：The metal cladding on the TX/RX pin through overetch demoulding treated FPC.The present invention forms test point, the impedance by testing test point is to be able to achieve the fault location and judgement of TX/RX cabling by the way that metal layer is arranged on TX/RX pin.
Description
Technical field
The present invention relates to technical field of electronic products, in particular to a kind of touch screen display module, FPC and preparation method thereof.
Background technique
FPC (flexible circuit board) is most complicated, one kind that purposes is most in route panel products, especially because its have it is light
The characteristics such as thin, flexible, low-voltage, low consumpting power can carry out three with the size and shape of electronic product inner space
The three-dimensional wiring of dimension space.Therefore, laptop, liquid crystal display, hard disk, printer and automobile etc. are widely used in
In the touching display screen of electronic product.Coupling part of the FPC as screen and IC (integrated circuit) is connected by welding and main screen
It connects, plays the role of data transmission.
FPC includes TX/RX cabling, IIC (IC bus) signal circuit, the reset circuit, interruption for being connected to port
Circuit and power circuit etc. wherein have pressure stabilizing and filtered electrical on IIC signal circuit, reset circuit, interrupt circuit and power circuit
Hold, whether extremely signal can directly be tested by oscillograph, and then decision circuitry failure cause.And it is not set on TX/RX cabling
Pressure stabilizing and filter capacitor are set, and TX/RX cabling is covered by protective film, are not formed directly with the electric performance test point of effect analysis,
It can not carry out breakdown judge.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome in the prior art can not TX/RX cabling to FPC carry out therefore
The defect for hindering judgement provides a kind of touch screen display module, FPC and preparation method thereof.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of production method of FPC, the production method include：Draw in the TX/RX through overetch demoulding treated FPC
Metal cladding on foot.
Preferably, the production method further includes：
It will be sticked on the FPC with the protective film that hollow out is open, metal layer described in the hollow out opening face；
Insulating layer is covered on the metal layer.
Preferably, the material of the insulating layer is PI or PET.
Preferably, the metal layer is inert metal；
And/or the metal layer with a thickness of 0.3 μm -0.9 μm.
A kind of FPC, the FPC include TX/RX pin, and plating is equipped with metal layer on the TX/RX pin.
Preferably, the FPC further includes：Protective film and insulating layer；
The protective film is open with hollow out；
The protective film sticks on the FPC, and metal layer described in hollow out opening face；
The insulating layer covering is on the metal layer.
Preferably, the material of the insulating layer is PI (polyimides) or PET (polyethylene terephthalate).
Preferably, the metal layer is inert metal；
And/or the metal layer with a thickness of 0.3 μm -0.9 μm.
A kind of touch screen display module, the touch screen display module include FPC described in touch screen and any one as above；
The touch screen is electrically connected with the FPC.
The positive effect of the present invention is that：The present invention forms test by the way that metal layer is arranged on TX/RX pin
Point, the impedance by testing test point are to be able to achieve the fault location and judgement of TX/RX cabling.
Detailed description of the invention
Fig. 1 is the flow chart of the production method of the FPC of the embodiment of the present invention 1.
Fig. 2 is the flow chart of the production method of the FPC of the embodiment of the present invention 2.
Fig. 3 is the structural schematic diagram of the FPC of the embodiment of the present invention 3.
Fig. 4 is the structural schematic diagram of the FPC of the embodiment of the present invention 4.
Fig. 5 is the module diagram of the touch screen display module of the embodiment of the present invention 5.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
The present embodiment provides the production methods of FPC a kind of, as shown in Figure 1, the production method includes the next steps：
Step 101, successively drilled to substrate, heavy copper, etching, demoulding handle to obtain FPC.
Step 102, the metal cladding on the TX/RX pin of FPC.
Wherein, step 101 namely general FPC production process, details are not described herein again.It, can be according to practical need in step 102
Seek the metal cladding on all or part of TX/RX pin of FPC.
In the present embodiment, which only needs to test as test point when carrying out breakdown judge to the TX/RX cabling of FPC
The impedance of test point, and the impedance value measured is compared with reference value, that is, be able to achieve the fault location of TX/RX cabling and is sentenced
It is disconnected, the greatly aspect fault detection of FPC.Wherein, reference value is obtained by testing normal FPC.
Embodiment 2
On the basis of embodiment 1, as shown in Fig. 2, in the present embodiment, further include after step 102：
Step 103 will stick on FPC with the protective film that hollow out is open, hollow out opening face metal layer.
Step 104 covers insulating layer on the metal layer.
When needing to test FPC, it is only necessary to take insulating layer off, can be realized by the test to test point impedance
The fault location and judgement of TX/RX cabling.
In the present embodiment, insulating layer not only acts as guard metal layer, the effect for avoiding it from aoxidizing, when FPC is applied to electronics
Device, such as when touch screen, insulating layer is also avoided that FPC to the signal interference of touch screen.Wherein, the material of insulating layer can be used
PI or PET.
In the present embodiment, in order to further avoid metal layer, effective fault test is influenced, metal layer uses inertia
Metal.Preferably, metal layer is nickel gold.The thickness of metal layer is set as 0.3 μm -0.9 μm.
Embodiment 3
The present embodiment provides a kind of FPC, as shown in figure 3, FPC includes substrate 1 and route 2 and TX/ on substrate
RX pin 3, plating is equipped with metal layer 4 on TX/RX pin 3.
It should be noted that can the metal cladding on all or part of TX/RX pin of FPC according to actual needs.
In the present embodiment, which only needs to test as test point when carrying out breakdown judge to the TX/RX cabling of FPC
The impedance of test point is to be able to achieve the fault location and judgement of TX/RX cabling, the greatly aspect fault detection of FPC.
Embodiment 4
On the basis of embodiment 3, as shown in figure 4, in the present embodiment, FPC further includes：Protective film 5 and insulating layer 6.It protects
Cuticula 5 is open with hollow out；Protective film 5 sticks on the substrate 1 and route 2 of FPC, hollow out opening face metal layer 4, insulating layer
6 are covered on metal layer 4.
When needing to test FPC, it is only necessary to take insulating layer off, can be realized by the test to test point impedance
The fault location and judgement of TX/RX cabling.
In the present embodiment, insulating layer not only acts as guard metal layer, the effect for avoiding it from aoxidizing, when FPC is applied to touch
When screen, insulating layer is also avoided that FPC to the signal interference of touch screen.Wherein, PI or PET can be used in the material of insulating layer.
In the present embodiment, in order to further avoid metal layer, effective fault test is influenced, metal layer uses inertia
Metal.Preferably, metal layer is nickel gold.The thickness of metal layer is set as 0.3 μm -0.9 μm.
Embodiment 5
The present embodiment provides a kind of touch screen display modules, as shown in figure 5, the touch screen display module includes touch screen 11 and such as
FPC10 in upper any embodiment, touch screen 11 are electrically connected with FPC10.
In the present embodiment, when touch screen display module breaks down, without disassembling touch screen display module, by testing FPC
The impedance of examination test point be to be able to achieve the fault location and judgement of the TX/RX cabling of FPC, and then can quickly position touch screen and show
The touching failpoint of mould group, greatly the aspect detection of touch screen display module.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (9)
1. a kind of production method of FPC, which is characterized in that the production method includes：Through overetch demoulding treated FPC
TX/RX pin on metal cladding.
2. the production method of FPC as described in claim 1, which is characterized in that the production method further includes：
It will be sticked on the FPC with the protective film that hollow out is open, metal layer described in the hollow out opening face；
Insulating layer is covered on the metal layer.
3. the production method of FPC as claimed in claim 2, which is characterized in that the material of the insulating layer is PI or PET.
4. the production method of FPC as described in claim 1, which is characterized in that the metal layer is inert metal；
And/or the metal layer with a thickness of 0.3 μm -0.9 μm.
5. a kind of FPC, the FPC include TX/RX pin, which is characterized in that plating is equipped with metal layer on the TX/RX pin.
6. FPC as claimed in claim 5, which is characterized in that the FPC further includes：Protective film and insulating layer；
The protective film is open with hollow out；
The protective film sticks on the FPC, and metal layer described in hollow out opening face；
The insulating layer covering is on the metal layer.
7. FPC as claimed in claim 6, which is characterized in that the material of the insulating layer is PI or PET.
8. FPC as claimed in claim 5, which is characterized in that
And/or the metal layer is inert metal；
And/or the metal layer with a thickness of 0.3 μm -0.9 μm.
9. a kind of touch screen display module, which is characterized in that the touch screen display module includes in touch screen and such as claim 5-8
FPC described in any one；
The touch screen is electrically connected with the FPC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712168.3A CN108925060B (en) | 2018-06-29 | 2018-06-29 | Touch screen display module, FPC and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712168.3A CN108925060B (en) | 2018-06-29 | 2018-06-29 | Touch screen display module, FPC and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108925060A true CN108925060A (en) | 2018-11-30 |
| CN108925060B CN108925060B (en) | 2020-12-08 |
Family
ID=64423372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810712168.3A Active CN108925060B (en) | 2018-06-29 | 2018-06-29 | Touch screen display module, FPC and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108925060B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080093230A (en) * | 2007-04-16 | 2008-10-21 | (주)멜파스 | Touch sensor module and manufacturing method thereof |
| KR20130042993A (en) * | 2011-10-19 | 2013-04-29 | 주식회사 코디에스 | Driving integrated circuit pad, wiring film for testing display panel and method for preparing the same |
| CN105828522A (en) * | 2016-05-06 | 2016-08-03 | 鹤山市中富兴业电路有限公司 | Platinum-plated circuit board, and manufacturing technology of the same |
| US20160224143A1 (en) * | 2010-09-29 | 2016-08-04 | Samsung Display Co., Ltd. | Method of fabricating touch screen panel |
| CN106304627A (en) * | 2015-05-13 | 2017-01-04 | 上海和辉光电有限公司 | A kind of test pad structure and preparation method thereof |
| CN206061273U (en) * | 2016-07-22 | 2017-03-29 | 广州恒利达电路有限公司 | A kind of flexible circuit board of anti-electrophoresis short circuit |
| CN107037924A (en) * | 2017-03-13 | 2017-08-11 | 深圳市骏达光电股份有限公司 | The manufacturing process of circuit board module, sense of touch module and sense of touch module |
| CN206698492U (en) * | 2017-03-30 | 2017-12-01 | 深圳市久信通科技有限公司 | A kind of FPC with the test of thin finger |
| KR20180036841A (en) * | 2016-09-30 | 2018-04-10 | 엘지디스플레이 주식회사 | Touch panel and inspection method of thereof, and liquid crystal display device having touch panel |
-
2018
- 2018-06-29 CN CN201810712168.3A patent/CN108925060B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080093230A (en) * | 2007-04-16 | 2008-10-21 | (주)멜파스 | Touch sensor module and manufacturing method thereof |
| US20160224143A1 (en) * | 2010-09-29 | 2016-08-04 | Samsung Display Co., Ltd. | Method of fabricating touch screen panel |
| KR20130042993A (en) * | 2011-10-19 | 2013-04-29 | 주식회사 코디에스 | Driving integrated circuit pad, wiring film for testing display panel and method for preparing the same |
| CN106304627A (en) * | 2015-05-13 | 2017-01-04 | 上海和辉光电有限公司 | A kind of test pad structure and preparation method thereof |
| CN105828522A (en) * | 2016-05-06 | 2016-08-03 | 鹤山市中富兴业电路有限公司 | Platinum-plated circuit board, and manufacturing technology of the same |
| CN206061273U (en) * | 2016-07-22 | 2017-03-29 | 广州恒利达电路有限公司 | A kind of flexible circuit board of anti-electrophoresis short circuit |
| KR20180036841A (en) * | 2016-09-30 | 2018-04-10 | 엘지디스플레이 주식회사 | Touch panel and inspection method of thereof, and liquid crystal display device having touch panel |
| CN107037924A (en) * | 2017-03-13 | 2017-08-11 | 深圳市骏达光电股份有限公司 | The manufacturing process of circuit board module, sense of touch module and sense of touch module |
| CN206698492U (en) * | 2017-03-30 | 2017-12-01 | 深圳市久信通科技有限公司 | A kind of FPC with the test of thin finger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108925060B (en) | 2020-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101308819B (en) | Manufacturing method of semiconductor integrated circuit device and probe card | |
| EP2634590B1 (en) | Devices and methods for testing flex cable shielding | |
| US6822469B1 (en) | Method for testing multiple semiconductor wafers | |
| EP3001242B1 (en) | Liquid crystal display, detection method for liquid crystal display and electronic device | |
| CN103323635B (en) | For detecting the probe module of contact effect | |
| US6392428B1 (en) | Wafer level interposer | |
| KR20060044321A (en) | Electrical inspection method and apparatus for printed wiring board for the electronic component mounting, and computer-readable recording medium | |
| WO2020107796A1 (en) | Display panel and crack detection method for display panel | |
| CN103852644B (en) | Attaching impedance detection device, detecting system and the detection method of display panel | |
| CN111129090A (en) | Display panel and test method thereof | |
| CN205749810U (en) | Pcb board internal layer off normal test device | |
| CN102819126A (en) | Testing device and testing method | |
| CN103941109A (en) | A test device of a touch panel | |
| WO2020107797A1 (en) | Display panel and method for detecting crack thereof | |
| US9807872B2 (en) | Circuit board and display device | |
| US10041989B2 (en) | Circuit board with inspection terminals | |
| CN106771969A (en) | A kind of FPC touch screen base plate Open Short test devices and method | |
| KR20170112464A (en) | Touch sensor and display device comprising the same | |
| CN108925060A (en) | Touch screen display module, FPC and preparation method thereof | |
| JP2004347591A (en) | Probe card for integrated circuit | |
| US20170192051A1 (en) | Laminate bond strength detection | |
| EP4030413A1 (en) | Display apparatus, preparation method for display apparatus, and electronic device | |
| CN101654601A (en) | Adhesive tape for backlight module and making method thereof | |
| CN101661358B (en) | Electronic device | |
| CN106680643B (en) | Incell self-contained module panel detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |