CN203827313U - Touch button and cell phone with the same - Google Patents

Abstract

The utility model discloses a touch button and a cell phone with the same. The touch button is provided with a button layer and a protection layer which are arranged successively on the cover glass of a touch screen. The button layer is provided with at least one silver paste zone; the silver paste zone(s) and a touch button driving chip are connected through silver paste wires. The touch button is formed through silver paste wires and is provided on the cover glass of a touch screen; further, the silver paste wires have the touch button connected with a touch button driving chip; with such a structure, the thickness of an overall touch button layer depends on the thickness of silver paste. In comparison with flexible electric circuit board in prior art, the thickness is obviously reduced, which facilitates to reduce the thickness of an electric product generally. The direct design of a touch button on a touch screen is devoid of restrictions and the method for doing so also varies from one to another.

Description

Touch key and mobile phone containing it

technical field

The utility model relates to the key field, in particular to a touch key and a mobile phone containing the same.

Background technique

At present, the touch screen buttons are generally integrated with the touch screen sensor. For the current In-cell/On-cell button setting method, the touch buttons can only be set in the display area of the touch screen, and other methods need to be used to set the buttons below the touch screen. Currently, generally setting buttons under the touch screen requires setting a separate flexible circuit board to realize the button function, which not only increases the cost, but also because the flexible circuit board has a certain thickness, this setting method is not conducive to reducing the thickness of the entire electronic product.

Contents of the invention

Based on this, the utility model aims to overcome the defects of the prior art, and provide a touch button and a mobile phone containing it, which overcomes the defects of the prior art, is beneficial to cost control, reduces product thickness, and has a simple structure and saves space.

Its technical scheme is as follows:

A touch key, in which a key layer and a protective layer are sequentially provided on the touch screen cover glass, the key layer is provided with at least one silver paste area, and the silver paste area is connected to a touch key drive chip through silver paste wiring.

Preferably, each silver paste area forms a touch key.

Preferably, the silver paste routing and the silver paste area form a self-capacitance touch key and/or a mutual capacitance touch key.

Preferably, the shape of the silver paste region is square, circular or oval.

Preferably, the touch key driver chip is replaced by a touch screen driver chip.

A mobile phone, which includes a touch screen and a touch screen drive chip, a key layer and a protective layer are sequentially provided on the cover glass of the touch screen, and the key layer is provided with at least one silver paste area, and the silver paste wiring is connected to the Silver paste area and touch button driver chip.

The principle, effects, etc. of the aforementioned technical solutions are described below:

By setting the touch key on the cover glass of the touch screen through the silver paste line, and realizing the connection between the touch key and the touch key driver chip through the silver paste line, the thickness of the entire key layer is determined by the thickness of the silver paste, which is thicker than the existing The flexible circuit board is significantly smaller, which is conducive to reducing the thickness of the entire electronic product; directly setting the touch buttons on the touch screen, and the ways of setting the touch buttons on the touch screen are diverse and unlimited.

Self-capacity touch buttons and mutual-capacity touch buttons can be realized, and self-capacity touch buttons or mutual-capacity touch buttons can be selected according to different requirements such as sensitivity and wiring methods.

Description of drawings

Fig. 1 is the structural representation of the mobile phone described in the utility model embodiment;

Fig. 2 is a cross-sectional view of a touch screen with a touch button according to an embodiment of the present invention;

Fig. 3 is a structural schematic diagram of Embodiment 1 of the touch button described in the utility model;

Fig. 4 is a schematic structural diagram of the second embodiment of the touch key according to the present invention.

Explanation of reference signs:

10. Mobile phone, 12. Touch screen, 122. Cover glass, 124. Button layer, 125. Silver paste area, 125a, sending area, 125b receiving area, 126. Silver paste wiring, 126a, sending line, 126b, receiving line , 128 layers of protection.

Detailed ways

Embodiments of the present utility model are described in detail below:

As shown in Figures 1 and 2, a mobile phone 10 includes a touch screen 12 and a touch screen driver chip (not shown), on the cover glass 122 of the touch screen 12, a button layer 124 and a protective layer 128 are sequentially arranged on the The button layer 124 is provided with at least one silver paste region 125 , and the silver paste region 125 is connected to the touch button driving chip by setting the silver paste wiring 126 .

Each silver paste area 125 can be used as a touch key, and the touch key is connected to the touch key driver chip through the silver paste wiring 126 as a lead wire, so that the touch key is set outside the display area of the touch screen 12, and the structure is simple. The key layer 124 The thickness is determined by the thickness of the silver paste region 125 and the silver paste wiring 126, the thickness is relatively thin, the structure is simple, and it can save space.

The shape of the silver paste area 125 can be square, circular or elliptical according to actual needs, and this embodiment takes a square silver paste area as an example.

As shown in FIG. 3 , the silver paste region 125 and the silver paste trace 126 can form a self-capacitance touch key. On the cover glass 122 of the touch screen 12, the silver paste area 125 is printed to form a square touch key. There will be capacitance between the silver paste area 125 and the ground. When the finger touches the touch key, the touch key and the ground The capacitance between them will change, and the touch key driver chip detects the change of the capacitance and judges that the touch key is touched. The structure of the self-capacitance touch key is simple, and fewer silver paste lines 126 need to be provided.

As shown in FIG. 4 , the silver paste region 125 and the silver paste trace 126 can form a mutual capacity touch key. Each silver paste area 125 is divided into a sending area 125a and a receiving area 125b. There is a gap between the sending area 125a and the receiving area 125b, and the sending area 125a half surrounds the receiving area 125b. Two silver paste routings 126a, 126b are set. The area 125a is connected to the touch key driving chip through the sending line 126a, and the receiving area 125b is connected to the touch key driving chip through the receiving line 126b. A capacitance will be formed between the sending line 126a and the receiving line 126b. When the finger touches the touch key, the capacitance between the sending line 126a and the receiving line 126b will change, and the touch key driver chip detects the change of the capacitance and judges A touch button is touched. Compared with the self-capacitance touch button, the silver paste wiring of the mutual capacitance touch button is more, but the corresponding sensitivity is also higher.

The touch button driver chip can be driven by a special touch button driver chip, or by a driver chip of the touch screen itself, so as to reduce cost input.

The protection layer 128 can be set as an ink protection layer, which can completely cover the button layer 124, and protect the silver paste area 125 and the silver paste wiring 126 from being corroded by the external environment, avoiding scratches and the like.

The above-mentioned embodiments only express the specific implementation manners of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (10)

1. a touch key-press, is characterized in that, is provided with successively key layer and protective layer on touch-screen cover-plate glass, and described key layer arranges at least one silver-colored slurry region, and starches cabling connection described silver slurry region and touch key-press driving chip by silver.

2. touch key-press according to claim 1, is characterized in that, described in each, silver slurry region forms a touch key-press.

3. touch key-press according to claim 1 and 2, is characterized in that, described silver slurry cabling forms from holding touch key-press and/or holding mutually touch key-press with silver slurry region.

4. touch key-press according to claim 1, is characterized in that, being shaped as of described silver slurry region is square, circular or oval.

5. touch key-press according to claim 1, is characterized in that, described touch key-press drives chip to replace with touch-screen and drives chip.

6. a mobile phone; it comprises that touch-screen and touch-screen drive chip, it is characterized in that, is provided with successively key layer and protective layer on the cover-plate glass of described touch-screen; described key layer arranges at least one silver-colored slurry region, and starches cabling connection described silver slurry region and touch key-press driving chip by silver.

7. mobile phone according to claim 1, is characterized in that, described in each, silver slurry region forms a touch key-press.

8. according to the mobile phone described in claim 6 or 7, it is characterized in that, described silver slurry cabling forms from holding touch key-press and/or holding mutually touch key-press with silver slurry region.

9. mobile phone according to claim 6, is characterized in that, being shaped as of described silver slurry region is square, circular or oval.

10. mobile phone according to claim 1, is characterized in that, described touch key-press drives chip to replace with described touch-screen and drives chip.