CN201213102Y - Touch button module and mobile terminal - Google Patents

Abstract

The utility model discloses a touch button module and a mobile terminal, wherein the module includes: a touch button, a touch button processing chip, and a backlight, and the touch button, the touch button processing chip, and the backlight are arranged on a flexible circuit board . The flexible circuit board includes a main body and a connection conduction part extending away from the main body, and the connection conduction part is provided with a gold finger connected to a main board of a mobile terminal such as a mobile phone. The utility model has the advantages of strong random appearance, ultra-thin, light and handy, simple assembly, no misoperation, long service life of keys, and the like.

Description

Touch button module and mobile terminal

technical field

The utility model relates to a touch key module used for mobile terminals such as mobile phones, and a mobile terminal with the touch key module.

Background technique

With the development of mobile communication technology, mobile terminals such as mobile phones have gradually become an indispensable communication tool in people's lives, and the functions of mobile phones have become more and more abundant. From the earlier simple communication and short message functions to the current multimedia functions (MP3, MP4, TV), FM function, camera function, wallet function, GPS function, etc. The display screen has also developed from black and white to color super twisted nematic (Color Super Twisted Nematic, referred to as CSTN) screen, and then to thin film transistor ( Thin Film Transistor (referred to as TFT) screen, organic light emitting display (Organic Light Emitting Display, referred to as OLED) screen, etc. In addition, the touch function is added to the screen, and the buttons range from plastic silicone buttons to metal buttons to touch buttons. There are more and more ways to realize the buttons.

With the diversification of mobile phone functions, the proportion of mid-to-high-end mobile phones with touch screen or touch button functions is increasing. In the process of implementing the technical solution of the utility model, the inventor found that the design of the touch button needs to meet the following requirements: because the mobile phone is an electronic product that is carried with you, the internal space is small, so the current market trend requires that the mobile phone product be thin and light , The touch keys must meet the requirements of thinness, random shape, and easy assembly; in addition, the sensitivity of the keys must be appropriate to prevent misoperation, and the brightness of the keyboard backlight must be appropriate, not only beautiful, but also convenient for customers to use.

Utility model content

The purpose of the utility model is to provide a touch button module suitable for mobile terminals such as mobile phones, which is light and thin, has a random shape and is convenient to assemble.

To achieve the above purpose, the utility model provides a touch button module, including a touch button, a touch button processing chip, and a backlight, wherein the touch button, the touch button processing chip, and the backlight are arranged on a flexible circuit board.

Wherein, the above-mentioned flexible circuit board includes a main body and a connection conduction part extending away from the main body, the touch key and the touch key processing chip are arranged on the main body, and the connection conduction part is provided with a golden finger.

Wherein, the above-mentioned backlight is arranged on the area of the main body of the flexible circuit board where the touch key is arranged, and a light-transmitting hole for transmitting the light of the backlight is arranged on the area where the touch button is arranged.

Wherein, the above-mentioned flexible circuit board includes a main body and a connection conduction part extending away from the main body, the main body is provided with a touch key and a touch key processing chip, and a golden finger is arranged on the connection conduction part.

Wherein, a backlight and a light-transmitting hole for the light of the backlight to transmit are also provided in the area where the touch keys are provided on the main body of the flexible circuit board.

Wherein, the main part of the flexible circuit board is provided with a tear line.

Wherein, the above-mentioned touch key is an infrared sensing touch key.

Wherein, the above-mentioned touch button processing chip is pasted on the back of the flexible circuit board.

Wherein, the above-mentioned backlight is attached to the position of the light transmission hole.

Wherein, the above-mentioned flexible circuit board is provided with a positioning hole for installing the touch button module.

In addition, the utility model also discloses a mobile terminal equipped with the above-mentioned touch button module.

The touch button module of the utility model utilizes the softness of the flexible circuit board and can be folded arbitrarily. The conduction line connected between the touch button module and the main board of the mobile phone can be bent arbitrarily along with the connection conduction part, which is very convenient for assembly and has a long service life of the button. At the same time, it can help the mobile phone to be lighter and thinner, and the buttons are more beautiful and practical.

It should be noted that both the above description and the following detailed description are exemplary and are intended to provide further explanation of the claimed invention.

In addition to the purposes, features and advantages described above, the present utility model has other purposes, features and advantages. The other purposes, features and effects of the present utility model will be further described in detail with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, which constitute a part of this specification and are used to provide a further understanding of the invention, illustrate preferred embodiments and together with the description serve to explain the principle of the invention. In the picture:

Fig. 1 is a schematic structural diagram of a touch button module according to the present invention;

Fig. 2 is a schematic front view of a touch button module according to a typical embodiment of the present invention;

FIG. 3 is a schematic view of the back of the touch button module shown in FIG. 2;

Fig. 4 is a schematic diagram of the touch button module shown in Fig. 2 in a flat assembled state; and

FIG. 5 is a schematic front view of the touch button module shown in FIG. 2 in an arbitrary deformation and assembly state.

Detailed ways

Below in conjunction with accompanying drawing, typical embodiment of the utility model is described in further detail.

As shown in Figure 1, according to the touch button module 10 of the present invention, by designing an infrared touch-sensitive button 130, a patch button control chip 140 and backlights 151, 153 on a flexible circuit board (FPC, Flexible Printed Circuit) 120, 155, the flexible circuit board wiring has the characteristics of high density, light weight, thin thickness, softness, and can be folded arbitrarily. The conduction line connecting the touch button module and the mobile phone motherboard can be bent arbitrarily, which is very convenient for assembly.

Fig. 2 is a schematic front view of a touch button module according to an exemplary embodiment of the present invention.

As shown in FIG. 2 , the flexible circuit board includes a main body 120 and a connection conduction portion 110 extending away from the main body 120. In the effective touch key areas (key sensing areas) 131, 133, and 135 of the main body portion 120 of the flexible circuit board, set There are infrared touch keys and light transmission holes 122, 124, 126. Outside the effective touch key areas 131, 133, 135, there are positioning holes 127, 129 for positioning the touch key module 10 on mobile terminals such as mobile phones. The connection conduction portion 110 of the flexible circuit board is used for electrical connection with the main board of a mobile terminal such as a mobile phone. In order to facilitate the connection of the conductive part 110 to the main board of mobile terminals such as mobile phones more flexibly, a tearable tear line 100 is provided on the main part 120 of the flexible circuit board.

FIG. 3 is a schematic diagram of the back of the touch button module shown in FIG. 2 .

As shown in Figure 3, on the main part 120 of the flexible circuit board, the patch has a touch button processing chip 140, and in the corresponding effective touch button areas 131, 133, 135, the patch has backlights 151, 153, 155, and the backlight 151 , 153 , 155 project light outwards through corresponding light-transmitting holes 122 , 124 , 126 , indicating the area where the infrared touch key is located. A gold finger 111 is provided on the connection conduction portion 110 of the flexible circuit board, so as to be connected with a gold finger connector of a mobile terminal such as a mobile phone.

FIG. 4 is a schematic diagram of the touch button module shown in FIG. 2 in a flat assembled state. As shown in FIG. 4 , the tearing line 100 is in an unteared state, and the touch button module 10 can be flatly installed on a mobile terminal such as a mobile phone.

FIG. 5 is a schematic front view of the touch button module shown in FIG. 2 in an arbitrary deformation and assembly state. As shown in FIG. 5 , the tearing line 100 is in a torn state, and the touch button module 10 can be installed in a mobile terminal such as a mobile phone in an expected deformed assembly state.

According to the touch button module of the present invention, the shape of the touch button module is not limited, and the length of connection between the module and the mainboard of the mobile phone can also be adjusted according to actual needs. The position of the infrared sensor button can be adjusted according to actual needs, which increases the flexibility of the design and facilitates the design of beautiful products. The touch button processing chip selects different types of processing chips according to the number of buttons to be used and the backlight requirements. For example, a touch button processing chip with learning ability is selected, so that it can adjust the appropriate response sensitivity according to the customer's usage habits, so as not to Malfunction occurred.

The position of the backlight can be adjusted according to the brightness and uniformity of the light. The touch button module made of flexible circuit board has the advantages of strong random shape, ultra-thin, light and handy, long key life, simple assembly, and no misoperation.

In addition, the utility model also provides a mobile terminal using the above-mentioned button touch module, such as a mobile phone. For those of ordinary skill in the art, based on the embodiments given above, the mobile terminal can be easily realized. This will not be described in detail.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. A touch button module, comprising a touch button, a touch button processing chip, and a backlight, characterized in that, the touch button, the touch button processing chip, and the backlight are arranged on a flexible circuit board. 2. The touch key module according to claim 1, wherein the flexible circuit board comprises a main body and a connection conduction part extending away from the main body, and the touch key and the touch key processing chip are arranged On the main body part, gold fingers are arranged on the connection conduction part. 3. The touch key module according to claim 2, wherein the backlight is arranged on the area of the main body where the touch key is set, wherein the area for the touch key is set with A light-transmitting hole for projecting light from the backlight. 4. The touch key module according to claim 3, wherein the main body of the flexible circuit board is provided with a tear line. 5. The touch key module according to any one of claims 1 to 4, wherein the touch key is an infrared sensing touch key. 6 . The touch key module according to claim 5 , wherein the touch key processing chip is attached to the back of the flexible circuit board. 7. The touch key module according to claim 6, wherein the backlight is attached to the position of the light transmission hole. 8. The touch key module according to claim 7, wherein a positioning hole for installing the touch key module is arranged on the flexible circuit board. 9. A mobile terminal, having the touch key module according to any one of claims 1 to 4.

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