CN202600666U - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
- Publication number
- CN202600666U CN202600666U CN 201220206396 CN201220206396U CN202600666U CN 202600666 U CN202600666 U CN 202600666U CN 201220206396 CN201220206396 CN 201220206396 CN 201220206396 U CN201220206396 U CN 201220206396U CN 202600666 U CN202600666 U CN 202600666U
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- CN
- China
- Prior art keywords
- touch screen
- printed circuit
- capacitive touch
- circuit board
- pet film
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a capacitive touch screen, which comprises an ITO glass substrate with printed circuit layers on the backs thereof and PET (Polyethylene terephthalate) films adhere to the outside surfaces of the printed circuit layers. Since the PET films replace traditional glass cover plates, devices for fitting and process operation are greatly simplified, the shaping of the PET films adopts laser or a knife die casing, all professional touch screen factories can produce the capacitive touch screen so that outsourcing does not need, the efficiency is high, and large-scale production is suitable; and besides, the fitting of the PET films belongs to a fitting manner that soft objects adhere to hard objects, and product yield can be over 99 percent.
Description
Technical field
The utility model relates to the touch-screen field, relates in particular to a kind of capacitive touch screen.
Background technology
At present, existing capacitance touch screen (being called for short " capacitance plate ") mainly adopts the version of upper strata glass cover-plate and lower floor's ito glass plate.Because its levels is glass, when fitting together, be prone between the layer glass produce bubble, the product yield is very low, and upper strata employing glass cover-plate cost is very high, and because layer glass is sticked to form, thickness is thicker simultaneously.
In addition, the glass cover-plate on upper strata need cut with CNC equipment, and efficient is very low.Simultaneously, the mode that present capacitance plate structure only is fit to down adorn on the upper strata is assembled, and casing can not be pressed onto above the capacitance plate and assemble, otherwise capacitance plate is crushed.
The utility model content
The utility model technical matters to be solved is, a kind of capacitive touch screen is provided, and makes processing procedure problem more rambunctious to solve common capacitive touch screen, reduces cost, improves yield.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is following:
The utility model provides a kind of capacitive touch screen, is included in the ito glass substrate that the back side is provided with layer printed circuit board, it is characterized in that, also is pasted with the PET film at the outer surface of printed circuit board (PCB).
Wherein, said PET film sticks on the corresponding layer printed circuit board through adhesive layer.
Wherein, said adhesive layer is an optical cement.
Wherein, also bind on the said layer printed circuit board flexible PCB is arranged.
Through adopting technique scheme; The utility model has following technique effect at least: owing to adopt the PET film to replace the conventional glass cover plate, not only the equipment of bonding process and technological operation all can greatly be simplified, and laser or cutting die casing are adopted in the moulding of PET film; Need not outsourcing; The touch-screen factory of specialty all can produce, and efficient is high, is fit to produce in enormous quantities; And the applying of PET film belongs to the hard mode of soft subsides, and the product yield can reach more than 99%.
Two-layer PET film up and down is set, and its anti-scratch performance is good, also can guarantee standard, stable specific inductive capacity; And middle ito glass substrate is low resistance glass, has well solved the touch-sensitive property problem of capacitive touch screen.Guarantee that touch-screen is difficult for image fault in use.
In addition, when assembling, the casing of capacitance plate just is pressed onto the PET film of capacitance plate, because the PET film is a soft material, has the comfort cushioning effect, and can not destroy the whole capacitor screen.
The utility model capacitive touch screen can be widely used in industries such as panel computer, mobile phone, GPS, learning machine, PDA, automation equipment, military affairs, vehicle carried video system, vehicle-carrying DVD, touch display.
Description of drawings
Fig. 1 is the cross sectional representation of the utility model capacitive touch screen.
Reference numeral:
Embodiment
By the technology contents, the structural attitude that specify the utility model, realized purpose and effect, know clearly below in conjunction with embodiment and conjunction with figs. and give explanation.
See also Fig. 1, the utility model provides a kind of capacitive touch screen, comprises ito glass substrate 1, layer printed circuit board 2 and PET film 3.
Wherein, the back side of said ito glass substrate 1 is provided with layer printed circuit board 2, and said layer printed circuit board 2 is bound with flexible PCB 20 and is connected.Normally elder generation molds described layer printed circuit board 2 at the surface printing of ito glass substrate 1, flexible PCB 20 is tied on the ito glass substrate 1 to be electrically connected with the layer printed circuit board of side again.
And said PET film 3 is to be pasted on the outer surface of corresponding layer printed circuit board 2 on the ito glass substrate 1 through adhesive layer 30.According to the needs of product design, can only paste PET film 3 at layer printed circuit board 2 outer surfaces at the ito glass back side, also can paste PET film 3. said adhesive layers and preferentially select optical cement for use at the outer surface of the layer printed circuit board 2 of front and back.
Preferably, the front and back of said ito glass substrate all can be printed with layer printed circuit board, and corresponding binding has flexible PCB, and, all post the PET film at the outer surface of the layer printed circuit board of front and back.
Because adopt the PET film to replace the conventional glass cover plate, not only the equipment of bonding process and technological operation all can greatly be simplified, laser or cutting die casing are adopted in the moulding of PET film; Need not outsourcing; The touch-screen factory of specialty all can produce, and efficient is high, is fit to produce in enormous quantities; And the applying of PET film belongs to the hard mode of soft subsides, and the product yield can reach more than 99%.
Two-layer PET film up and down is set, and its anti-scratch performance is good, also can guarantee standard, stable specific inductive capacity; And middle ito glass substrate is low resistance glass, has well solved the touch-sensitive property problem of capacitive touch screen.Guarantee that touch-screen is difficult for image fault in use.
In addition, when assembling, the casing of capacitance plate just is pressed onto the PET film of capacitance plate, because the PET film is a soft material, has the comfort cushioning effect, and can not destroy the whole capacitor screen.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (4)
1. a capacitive touch screen is included in the ito glass substrate that the back side is provided with layer printed circuit board, it is characterized in that, also is pasted with the PET film at the outer surface of printed circuit board (PCB).
2. capacitive touch screen as claimed in claim 1 is characterized in that, said PET film sticks on the corresponding layer printed circuit board through adhesive layer.
3. capacitive touch screen as claimed in claim 2 is characterized in that, said adhesive layer is an optical cement.
4. capacitive touch screen as claimed in claim 1 is characterized in that, also binding on the said layer printed circuit board has flexible PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206396 CN202600666U (en) | 2012-05-09 | 2012-05-09 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206396 CN202600666U (en) | 2012-05-09 | 2012-05-09 | Capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202600666U true CN202600666U (en) | 2012-12-12 |
Family
ID=47318190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220206396 Expired - Lifetime CN202600666U (en) | 2012-05-09 | 2012-05-09 | Capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202600666U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999242A (en) * | 2012-12-29 | 2013-03-27 | 深圳市长江力伟股份有限公司 | Capacitive touch screen device and preparation method thereof |
| CN103207722A (en) * | 2013-04-01 | 2013-07-17 | 江西合力泰科技股份有限公司 | Capacitive touch screen production process |
| CN107066157A (en) * | 2017-03-10 | 2017-08-18 | 深圳唯科技股份有限公司 | Large size capacitive touch screen and its process of flexible production |
-
2012
- 2012-05-09 CN CN 201220206396 patent/CN202600666U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999242A (en) * | 2012-12-29 | 2013-03-27 | 深圳市长江力伟股份有限公司 | Capacitive touch screen device and preparation method thereof |
| CN103207722A (en) * | 2013-04-01 | 2013-07-17 | 江西合力泰科技股份有限公司 | Capacitive touch screen production process |
| CN107066157A (en) * | 2017-03-10 | 2017-08-18 | 深圳唯科技股份有限公司 | Large size capacitive touch screen and its process of flexible production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518110 Guangdong province Shenzhen city Longhua District No. two Fu Guanlan Street Community Ao Bei Dafu Industrial Zone Peng Longpan high-tech park B building 4 floor Patentee after: CINOTOP ELECTRONICS CO., LTD. Address before: 518110 Guangdong city of Shenzhen province Baoan District Guanlan Street rich industrial zone two road Peng Longpan high-tech park B building 4 floor Patentee before: Shenzhen Zhi Ling Wei Ye Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
|
| CX01 | Expiry of patent term |