CN105260073B - A kind of capacitive touch screen water-proof treatment technology - Google Patents
A kind of capacitive touch screen water-proof treatment technology Download PDFInfo
- Publication number
- CN105260073B CN105260073B CN201510736838.1A CN201510736838A CN105260073B CN 105260073 B CN105260073 B CN 105260073B CN 201510736838 A CN201510736838 A CN 201510736838A CN 105260073 B CN105260073 B CN 105260073B
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- flexible pcb
- sheet sensor
- functional sheet
- touch screen
- pcb fpc
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Abstract
A kind of capacitive touch screen water-proof treatment technology, including step, capacitive touch screen increases insulation print when making functional sheet sensor, to pressing area's circuit, as waterproof and anti-corrosion treatment, current-carrying part exposed functional sheet sensor only has the elargol PIN for pressing area；Flexible PCB FPC does envelope transparent sealant processing, the exposed pad of chip IC, capacitance, resistance, diode element is sealed with fluid sealant after SMT pieces；After functional sheet sensor is made small pieces and does functional test, hot pressing is done with flexible PCB FPC, does functional test after pressing is good, then brush insulated enclosure glue, UV dryings；Functional sheet sensor and the circuit after flexible PCB FPC pressings, it is sticked together with glass cover-plate through small pieces fitting processing procedure, overhanging portion between flexible PCB FPC and cover board, with two-sided glued together, a little dew copper part of the faces functional sheet sensor flexible PCB FPC, the white sealing of envelope, does encapsulation process.By the conducting wire for exposing touch screen, component pad regions seal, and realize the water-proof function of touch screen, have the characteristics that simple for process, good waterproof performance.
Description
Technical field
The present invention relates to a kind of capacitive touch screen water-proof treatment technologies.
Background technology
Smart mobile phone is increasingly becoming the market mainstream at present, and it is big main to expose 3 because of its properity property for smart mobile phone
Problem：Screen is frangible, and easy water inlet is burnt out, and battery is not durable.
Present capacitive touch screen, waterproof technology is mainly by preventing the waterproof of component dot encapsulation glue
Water, this waterproof type can only protect the regions IC, and the compressed portion of capacitance plate, which is also intake, is easy the area of short circuit
Domain, general waterproof mobile phone can be by doing the sealing structure of casing in pressing region, but structure is once destroy, just not no waterproof
Effect.
Invention content
Its purpose of the invention, which is that, provides a kind of capacitive touch screen water-proof treatment technology, passes through expose touch screen
Conducting wire, component pad regions seal, and realize the water-proof function of touch screen, have simple for process, good waterproof performance spy
Point.
The technical solution realized above-mentioned purpose and taken, including step：
1) capacitive touch screen increases insulation print, as waterproof when making functional sheet sensor to pressing area's circuit
And anti-corrosion treatment, current-carrying part exposed functional sheet sensor only have the elargol PIN for pressing area；
2) flexible PCB FPC does envelope transparent sealant processing, by chip IC, capacitance, resistance, two after SMT pieces
The exposed pad of pole pipe element is sealed with transparent sealant；
3) after functional sheet sensor is made small pieces and does functional test, hot pressing is done with flexible PCB FPC, is done after pressing is good
Functional test, then brush insulated enclosure glue, UV are dried；
4) functional sheet sensor and the circuit after flexible PCB FPC pressings, are pasted through small pieces fitting processing procedure with glass cover-plate
Together, overhanging portion between flexible PCB FPC and cover board, with two-sided glued together, the faces functional sheet sensor flexible electrical
A little dew copper part of road plate FPC seals white sealing, does encapsulation process.
Advantageous effect
The present invention has the following advantages compared with prior art：
By the way that capacitive touch screen exposure to be oxidized easily in air, the metal part of short circuit all does closed place
Reason, makes touch screen after processing is completed, and it is exposed in air that there is no oxidizable current-carrying parts, to reach into after water, not shadow
The normal function for ringing touch screen, achievees the effect that waterproof.Has the characteristics that simple for process, good waterproof performance.G+G structures, G can be directed to
The touch screens such as+F structures, G+FF structures, OGS structures carry out easily exposed circuit close under the premise of not changing product structure
Waterproof sealing is all carried out in envelope processing, the place that touch screen is possible to short circuit.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is present invention process flow diagram；
Fig. 2 is printing technology OGS capacitive touch screen structure schematic diagrames.
Specific implementation mode
As shown in Figure 1 and Figure 2, including step,
1) capacitive touch screen increases insulation print, as waterproof when making functional sheet sensor to pressing area's circuit
And anti-corrosion treatment, current-carrying part exposed functional sheet sensor only have the elargol PIN for pressing area；
2) flexible PCB FPC does envelope transparent sealant processing, by chip IC, capacitance, resistance, two after SMT pieces
The exposed pad of pole pipe element is sealed with transparent sealant；
3) after functional sheet sensor is made small pieces and does functional test, hot pressing is done with flexible PCB FPC, is done after pressing is good
Functional test, then brush insulated enclosure glue, UV are dried；
4) functional sheet sensor and the circuit after flexible PCB FPC pressings, are pasted through small pieces fitting processing procedure with glass cover-plate
Together, overhanging portion between flexible PCB FPC and cover board, with two-sided glued together, the faces functional sheet sensor flexible electrical
A little dew copper part of road plate FPC seals white sealing, does encapsulation process.
Embodiment
As shown in Figure 1 and Figure 2, step includes：
1) functional sheet sensor printings increase the dielectric ink printing of the areas hot pressing bonding, more after elargol is bonded with OCA
Remaining part seals, and guarantee is not oxidized, and accomplishes waterproof.
2) flexible PCB FPC carries out dispensing processing, and the exposed pad of the components such as IC, capacitance, resistance, diode is used
Glue, which closes, to be come, this action is after flexible PCB FPC plate SMT pieces, tightness 100%.
3) after functional sheet sensor and flexible PCB FPC does hot pressing, by the flexible PCB FPC and functional sheet of stitching surface
One layer of sealing glue is brushed in the bonding pads sensor, and the insulation of this glue, transparent, persistently, performance guarantee was at 1 year or more；It wraps in brush coating region
FPC containing flexible PCB presses area's whole, OCA and flexible PCB FPC offsets region.
4) functional sheet sensor adds the circuit of flexible PCB FPC to carry out small pieces fitting with cover board, from functional sheet after fitting
Functional sheet sensor and flexible PCB FPC is directly put a glue by the faces sensor, and glue extends to functional sheet sensor
At the fluting of the both ends OCA, carry out being completely closed processing.
Claims (1)
1. a kind of capacitive touch screen water-proof treatment technology, which is characterized in that including step,
1) capacitive touch screen increases insulation print to pressing area's circuit, as waterproof and prevents when making functional sheet sensor
Corrosion treatment, current-carrying part exposed functional sheet sensor only have the elargol PIN for pressing area；
2) flexible PCB FPC does envelope transparent sealant processing, by chip IC, capacitance, resistance, diode after SMT pieces
The exposed pad of element is sealed with transparent sealant；
3) after functional sheet sensor is made small pieces and does functional test, hot pressing is done with flexible PCB FPC, function is done after pressing is good
Test, then brush insulated enclosure glue, UV are dried；
4) functional sheet sensor and the circuit after flexible PCB FPC pressings, one is attached to through small pieces fitting processing procedure with glass cover-plate
It rises, overhanging portion between flexible PCB FPC and cover board, with two-sided glued together, the faces functional sheet sensor flexible PCB
A little dew copper part of FPC seals white sealing, does encapsulation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736838.1A CN105260073B (en) | 2015-11-03 | 2015-11-03 | A kind of capacitive touch screen water-proof treatment technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736838.1A CN105260073B (en) | 2015-11-03 | 2015-11-03 | A kind of capacitive touch screen water-proof treatment technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105260073A CN105260073A (en) | 2016-01-20 |
| CN105260073B true CN105260073B (en) | 2018-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510736838.1A Expired - Fee Related CN105260073B (en) | 2015-11-03 | 2015-11-03 | A kind of capacitive touch screen water-proof treatment technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN105260073B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547401A (en) * | 2016-10-25 | 2017-03-29 | 南昌欧菲显示科技有限公司 | touch device and manufacturing method |
| JP6822185B2 (en) * | 2017-02-08 | 2021-01-27 | 三菱電機株式会社 | Touch panel device and image display device equipped with it |
| CN107291311A (en) * | 2017-06-27 | 2017-10-24 | 长沙市宇顺显示技术有限公司 | A kind of preparation method of the anti-injureds of capacitor touch-control display screen FPC |
| CN107231761B (en) * | 2017-07-13 | 2023-05-05 | 安捷利电子科技（苏州）有限公司 | Method for connecting sensor and printed circuit board by using conductive adhesive |
| CN108270898B (en) * | 2018-01-19 | 2020-07-17 | Oppo广东移动通信有限公司 | Display screen control circuit board assembly, display screen and electronic equipment |
| CN109036171B (en) * | 2018-07-10 | 2021-01-26 | 中航华东光电有限公司 | Liquid crystal screen signal switching belt sealing method |
| CN109104660A (en) * | 2018-08-08 | 2018-12-28 | 深圳市中时科技有限公司 | A kind of sealing waterproof method of bluetooth headset |
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| KR20120007912A (en) * | 2010-07-15 | 2012-01-25 | (주)삼원에스티 | Metod of manufacturing touch panel snesor |
| WO2011145878A3 (en) * | 2010-05-20 | 2012-03-01 | Woo Gwan-Je | Pet and tempered glass layer composite type touch sensor for touch screen and manufacturing method therefor |
| CN103294307A (en) * | 2013-05-09 | 2013-09-11 | 晟光科技股份有限公司 | Improved method for manufacturing OGS (one glass solution) touch screen |
| CN103294308A (en) * | 2013-05-09 | 2013-09-11 | 晟光科技股份有限公司 | Improved GF (glass-film)-structured touch screen and connection method for FPC (flexible printed circuit) thereof |
| CN103786410A (en) * | 2013-12-31 | 2014-05-14 | 江西海纳川科技有限公司 | Sealant gluing and manufacturing technology of G+G (sensor glass+tempered glass cover plate structure) capacitor screen |
| CN203825598U (en) * | 2014-02-27 | 2014-09-10 | 深圳市骏达光电股份有限公司 | Portable electronic product and touch screen thereof |
| CN204179345U (en) * | 2014-11-13 | 2015-02-25 | 潍坊歌尔电子有限公司 | A kind of waterproof connector structure of electronic product |
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2015
- 2015-11-03 CN CN201510736838.1A patent/CN105260073B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011145878A3 (en) * | 2010-05-20 | 2012-03-01 | Woo Gwan-Je | Pet and tempered glass layer composite type touch sensor for touch screen and manufacturing method therefor |
| KR20120007912A (en) * | 2010-07-15 | 2012-01-25 | (주)삼원에스티 | Metod of manufacturing touch panel snesor |
| CN103294307A (en) * | 2013-05-09 | 2013-09-11 | 晟光科技股份有限公司 | Improved method for manufacturing OGS (one glass solution) touch screen |
| CN103294308A (en) * | 2013-05-09 | 2013-09-11 | 晟光科技股份有限公司 | Improved GF (glass-film)-structured touch screen and connection method for FPC (flexible printed circuit) thereof |
| CN103786410A (en) * | 2013-12-31 | 2014-05-14 | 江西海纳川科技有限公司 | Sealant gluing and manufacturing technology of G+G (sensor glass+tempered glass cover plate structure) capacitor screen |
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| CN204179345U (en) * | 2014-11-13 | 2015-02-25 | 潍坊歌尔电子有限公司 | A kind of waterproof connector structure of electronic product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105260073A (en) | 2016-01-20 |
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Granted publication date: 20181019 Termination date: 20211103 |