CN207867478U - A kind of capacitance touch screen with control button - Google Patents
A kind of capacitance touch screen with control button Download PDFInfo
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- CN207867478U CN207867478U CN201820319955.7U CN201820319955U CN207867478U CN 207867478 U CN207867478 U CN 207867478U CN 201820319955 U CN201820319955 U CN 201820319955U CN 207867478 U CN207867478 U CN 207867478U
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- cover board
- touch screen
- metal routing
- capacitance touch
- key mapping
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Abstract
A kind of capacitance touch screen with control button, it includes cover board, and the upper surface of cover board, which is equipped with, presses key mapping, and metal routing is printed with by the corresponding cover board bottom surface of key mapping, it is covered with insulating oil on metal routing, insulating oil lower surface is printed with and metal routing overlapped transparent conductive ink；The metal routing is also crimped with flexible circuit board.The utility model is that a kind of structure is reliable, the capacitance touch screen for touching screen button processing integrated with cover board of simple production process, compared with traditional ITO touch screens, remove and ITO sensors and bonding process is fabricated separately, simplify production procedure, reduce technology difficulty and cost, and effectively improve production efficiency, reduce the production cycle, effectively mitigate product weight and thickness simultaneously, it is more advantageous in the button touch-control screen products that can be widely applied to the fields such as vehicle-mounted, smart home to the thinner and lighter development of touch screen development trend.
Description
Technical field
The utility model is related to function touch screen more particularly to a kind of capacitance touch screens with control button.
Background technology
With the popularization that capacitance touch screen is applied, capacitance touch screen is in addition to applying in mobile phone and tablet computer, vehicle-mounted
It is also more and more extensive with the application in the fields such as smart home；In the application of vehicle-mounted and smart home, in addition to the application of viewing area touch-control,
It also needs to that more function button machine and Switch application is arranged.
Traditional control button is soft-touch type, i.e., metal clips stress changes to realize the work of break-make close to the inner portion.Appearance
On need to do prominent structure, functional reliability and safety are poor, and service life is also shorter.Capacitance type touch key is former due to work
Reason is capacitive sensing, need not protrude structure, and therefore will not be damaged because frequently touching by physical contact；Therefore
Coordinate with appearance, securely and reliably, the features such as service life is long, touch function button becomes the following vehicle-mounted, smart home and presses
The development trend of key switch.
Existing capacitance key is mainly by the double-layer structure for adding ITO conductive films or ito glass using cover board, typical case's knot
A kind of structure button touch screen as disclosed in Chinese patent ZL200720053703.6；Such product processing link is more, and ITO is plated
Film device investment is high, and ITO is rare metal target, and application cost is high；In addition in actual production, it is guarantee capacitance working effect
It needs to be bonded entirely using optical cement between double-layer structure, complex process and requirement height.
Utility model content
The purpose of this utility model is to provide a kind of capacitance touch screen with control button, it has compact-sized, life
Production. art is simple and using reliable advantage at low cost.
The utility model is achieved like this, a kind of capacitance touch screen with control button, it includes cover board, special
Sign is, the upper surface of cover board, which is equipped with, presses key mapping, metal routing is printed with by the corresponding cover board bottom surface of key mapping, on metal routing
It is covered with insulating oil, insulating oil lower surface is printed with and metal routing overlapped transparent conductive ink.
The metal routing is also crimped with flexible circuit board.
Preferably：The cover board is made of glass or plastics, and cover board by being also printed with ink in key mapping.
Preferably：The metal routing is made of silver paste.
Preferably：The cover board is integrally formed with by key mapping.
The beneficial effects of the utility model are：The utility model is that a kind of structure is reliable, simple production process touch screen by
The capacitance touch screen of key processing integrated with cover board removes and ITO sensors and patch is fabricated separately compared with traditional ITO touch screens
Process is closed, simplifies production procedure, reduces technology difficulty and cost, and effectively improve production efficiency, reduce the production cycle, together
Shi Youxiao mitigates product weight and thickness, is more advantageous to the thinner and lighter development of touch screen development trend, can be widely applied to vehicle
In the button touch-control screen products in the fields such as load, smart home.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model cover plate one embodiment.
Fig. 2 is the structural schematic diagram of the utility model cover plate type metal cabling later embodiment.
Fig. 3 is the structural schematic diagram that embodiment illustrated in fig. 2 prints insulating oil later embodiment.
Fig. 4 is the structural schematic diagram that embodiment illustrated in fig. 3 prints transparent conductive ink later embodiment.
Fig. 5 is the structural schematic diagram that embodiment illustrated in fig. 4 connects flexible circuit board later embodiment.
Fig. 6 is the cross-sectional view of the structure of the utility model.
In the figure 1, cover board 2, metal routing 3, insulating oil 4, transparent conductive ink 5, flexible circuit board.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
As shown in Figs. 1-5, the utility model is realized in this way, the capacitance touch screen with control button includes lid
Plate 1, is structurally characterized in that, the upper surface of cover board 1, which is equipped with, presses key mapping 101, is printed with by corresponding 1 bottom surface of cover board of key mapping 101
Metal routing 2, is covered with insulating oil 3 on metal routing 2, and 3 lower surface of insulating oil is printed with that overlapped transparent leads with metal routing 2
Electric ink 4；In the specific implementation, the cover board 1 with by key mapping 101 be integrally formed, can be process by molding die, with by
The metal routing 2 that 101 position of key mapping corresponds to printing realizes its touch control function, which is silver paste, by key mapping
101 generate electric signal when being touched, and by signal pass to its overlapped transparent conductive ink 4, then by electrically conducting transparent oil
Ink 4 passes control signal, to form touch controlled key control function；The utility model no longer needs other one layer of ITO phenanthrene
Woods or ito glass material, do not need ITO coating process, do not need optical cement yet and are bonded entirely, aobvious with touch-control of the tradition with ITO
Display screen is compared, and technology difficulty and cost are significantly reduced.
For the ease of installation, as shown in fig. 6, the metal routing 2 is also crimped with flexible circuit board 5；It is described when implementing
Cover board 1 is made of glass or plastics, and cover board 1 by being also printed with ink in key mapping 101；Elaborate it below in conjunction with the accompanying drawings
Process,
Step 1：Cover board 1 is prepared, which is equipped with presses key mapping 10 accordingly, and the product component of formation is as shown in Figure 1；
Step 2：Type metal cabling 2, the metal routing 2 is corresponding with by 10 position of key mapping, product component such as Fig. 2 of formation
It is shown；
Step 3：Insulating oil 3 is printed on the basis of step 2, and covers metal routing 2, product component such as Fig. 3 of formation
It is shown；
Step 4：Transparent conductive ink 4 is printed in pattern effective coverage, and is overlapped with metal routing 2, the product group of formation
Part is as shown in Figure 4；
Step 5：The product component that step 4 obtains is crimped with flexible circuit board 5, the product component of formation is as shown in Figure 5；
Step 6：Finished product pastes auxiliary material, test, appearance test, shipment.
Compared with ITO screen of the tradition with touch controlled key, the no longer separately fabricated ITO sensors of the utility model and cover board,
The technical process for more eliminating plated film and optics glue laminating effectively reduces raw material and processing cost, while effectively mitigating production
Product weight and thickness are more advantageous to the thinner and lighter development of touch screen development trend.
Claims (5)
1. a kind of capacitance touch screen with control button, it includes cover board (1), which is characterized in that the upper surface of cover board (1) is set
Have by key mapping (101), metal routing (2), metal routing (2) overlying are printed with by key mapping (101) corresponding cover board (1) bottom surface
It is stamped insulating oil (3), insulating oil (3) lower surface is printed with and metal routing (2) overlapped transparent conductive ink (4).
2. carrying the capacitance touch screen of control button as described in claim 1, which is characterized in that the metal routing (2) is also pressed
It is connected to flexible circuit board (5).
3. carrying the capacitance touch screen of control button as claimed in claim 2, which is characterized in that the cover board (1) by glass or
Plastics are made, and cover board (1) by being also printed with ink in key mapping (101).
4. carrying the capacitance touch screen of control button as claimed in claim 3, which is characterized in that the metal routing (2) is by silver
Slurry is made.
5. carrying the capacitance touch screen of control button as described in any one of claim 1-4, which is characterized in that the cover board
(1) it is integrally formed with by key mapping (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319955.7U CN207867478U (en) | 2018-03-08 | 2018-03-08 | A kind of capacitance touch screen with control button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820319955.7U CN207867478U (en) | 2018-03-08 | 2018-03-08 | A kind of capacitance touch screen with control button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207867478U true CN207867478U (en) | 2018-09-14 |
Family
ID=63455687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820319955.7U Active CN207867478U (en) | 2018-03-08 | 2018-03-08 | A kind of capacitance touch screen with control button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207867478U (en) |
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2018
- 2018-03-08 CN CN201820319955.7U patent/CN207867478U/en active Active
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