Touch panel with NFC (Near Field Communication) function and electronic equipment

Abstract

The utility model discloses a touchpad with an NFC function and electronic equipment, the touchpad with the NFC function comprises a touch module, an NFC antenna and an antenna module, the touch module is electrically connected with the antenna module, and the NFC antenna is electrically connected with the antenna module; the touch module comprises a touch matrix, and the NFC antenna is arranged around the periphery of the touch matrix. According to the touch panel with the NFC function, the NFC antenna and the antenna module are arranged in the touch panel with the NFC function to drive the NFC antenna to operate, the touch module senses whether a user has a touch action or not, and the NFC antenna is arranged around the periphery of the touch matrix, so that the area of the NFC antenna for providing the NFC function is larger, the sensing area where a mobile device of the user can be placed is larger, and the touch panel is more convenient to use. According to the electronic equipment provided with the touchpad with the NFC function, due to the fact that the NFC antenna is arranged around the touch matrix, the induction area of the NFC antenna is enlarged, a user can use the portable electronic equipment to conduct wireless connection with the electronic equipment provided with the touchpad with the NFC function more conveniently, and inconvenience caused by limitation of an identification area is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of touch panels, and in particular to a touch panel and an electronic device with an NFC function. Background Art

[0002] NFC is the abbreviation of Near Field Communication, which is a short-range wireless communication technology. Developed jointly by Philips and Sony, NFC is a contactless identification and interconnection technology that can perform short-range wireless communication between mobile devices, consumer electronics, PCs (Personal Computers) and smart control tools.

[0003] For the convenience of use, a laptop computer has a touchpad at one end of the keyboard, so that the user can use the laptop computer without a mouse. In order to facilitate the wireless connection of the laptop computer with portable electronic devices such as mobile phones and watches, the laptop computer adds the NFC function.

[0004] Current laptops have NFC antennas on their touchpads, and the NFC antenna is usually centered, which results in a smaller effective area for the NFC function, affecting normal use. Utility Model Content

[0005] The technical problem to be solved by the present application is that the current laptop computer is provided with an NFC antenna on the touch pad, and the NFC antenna is usually centered, resulting in a smaller effective area of ​​the NFC function, which affects normal use.

[0006] In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a touch panel and an electronic device with NFC function.

[0007] In a first aspect, the utility model discloses a touch panel with NFC function, which includes a touch module, an NFC antenna and an antenna module, wherein the touch module is electrically connected to the antenna module, and the NFC antenna is electrically connected to the antenna module;

[0008] The touch module includes a touch matrix, and the NFC antenna is arranged around the periphery of the touch matrix.

[0009] Preferably, the touch module comprises a touch circuit unit, and the touch matrix is ​​connected to the touch circuit unit.

[0010] Preferably, a touch member is included, and the touch matrix and the NFC antenna are mounted on the touch member.

[0011] Preferably, the antenna module comprises an antenna circuit unit, and the antenna circuit unit is connected to the touch circuit unit.

[0012] Preferably, the touch module comprises a touch switch, the touch switch is connected to the touch member, and the touch member is electrically connected to the touch circuit unit.

[0013] Preferably, an interface module is included, and the interface module is connected to the touch module.

[0014] Preferably, the touch circuit unit comprises a touch chip, and the touch chip model is QFN52-6X640CH.

[0015] Preferably, the antenna circuit unit comprises an antenna chip, and the antenna chip model is NTP53121GOJHKZ.

[0016] Preferably, a power supply module is included, and the power supply module is respectively connected to the touch module and the antenna module.

[0017] In a second aspect, the utility model discloses an electronic device, which comprises the above-mentioned touch panel with NFC function.

[0018] The above technical solution provided by this application has the following advantages compared with the prior art:

[0019] The present application provides a touchpad and electronic device with NFC function, an NFC antenna set in the touchpad with NFC function, an antenna module drives the NFC antenna to operate, a touch module senses whether the user has a touch action, and the NFC antenna is set around the periphery of the touch matrix, so that the NFC antenna provides a larger area for the NFC function, and the user's mobile device can be placed in a larger sensing area, which is more convenient to use. The electronic device provided with a touchpad with NFC function has a larger sensing area because the NFC antenna is set around the touch matrix, so that the user can use the portable electronic device to wirelessly connect with the electronic device provided with the touchpad with NFC function more conveniently, reducing the inconvenience caused by the limitation of the recognition area. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0022] Figure 1 A structural module diagram of a touch panel with NFC function provided by this application;

[0023] Figure 2 A schematic diagram of the structure of a touch panel with NFC function provided in this application;

[0024] Figure 3 A schematic diagram of the connection structure between a touch matrix and a touch circuit unit of a touch panel with NFC function provided by the present application;

[0025] Figure 4 A schematic diagram of the structure of a touch switch of a touch panel with NFC function provided in this application;

[0026] Figure 5 A schematic diagram of the connection structure between an NFC antenna and an antenna circuit unit of a touch panel with NFC function provided in the present application;

[0027] Figure 6 A schematic diagram of the structure of an interface module of a touch panel with NFC function provided in this application;

[0028] Figure 7 A schematic diagram of the structure of a power supply module for a touch panel with NFC function provided in this application;

[0029] Figure 8 A schematic diagram of the structure of an electronic device provided in this application.

[0030] Description of reference numerals:

[0031] 1. Touchpad with NFC function; 2. Electronic equipment;

[0032] 11. Touch parts;

[0033] 12. touch module; 121. touch matrix; 122. touch circuit unit; 123. touch switch;

[0034] 13. NFC antenna;

[0035] 14. Antenna module; 141. Antenna circuit unit;

[0036] 15. Interface module;

[0037] 16. Power supply module. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the drawings in this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0039] First, see Figure 1-7 The utility model discloses a touch panel 1 with NFC function, including a touch member 11, a touch module 12, an NFC antenna 13 and an antenna module 14, wherein the touch module 12 is electrically connected to the antenna module 14, and the NFC antenna 13 is electrically connected to the antenna module 14. When a user touches or presses the touch member 11, the touch module 12 is used to drive the antenna module 14 and sense whether the user touches the touch member 11, the NFC antenna 13 is used to provide the NFC function, and the antenna module 14 is used to drive the NFC antenna 13.

[0040] The touch module 12 includes a touch matrix 121 and a touch circuit unit 122, the touch matrix 121 is connected to the touch circuit unit 122, the NFC antenna 13 is arranged around the periphery of the touch matrix 121, and the touch matrix 121 and the NFC antenna 13 are installed on the touch member 11, wherein the touch matrix 121 can sense whether the user touches the touch member 11, and the touch matrix 121 sends the touch signal to the touch circuit unit 122.

[0041] It can be understood that the antenna module 14 drives the NFC antenna 13 to operate, the touch module 12 senses whether the user touches the touch element 11, and the NFC antenna 13 is arranged around the periphery of the touch matrix 121. The area surrounded by the NFC antenna 13 is larger, and the magnetic field strength generated is greater, so the lightness of the induction is improved. The larger the enclosed area, the larger the area where the NFC antenna 13 provides NFC function, and the larger the sensing area where the user's mobile device can be placed, which is more convenient to use.

[0042] In particular, the touch matrix 121 includes a contact sensor for determining whether the user touches the touch element 11 and sensing the proximity between the user and the touch element 11 .

[0043] In particular, the NFC antenna 13 is arranged around the periphery of the touch matrix 121. The NFC antenna 13 is arranged in a coil shape. The number of turns of the NFC antenna 13 can be customized, and the number of turns can be 2-6 turns. In this embodiment, the NFC antenna 13 uses 4 turns, but the number of turns of the NFC antenna 13 is not limited to the number used in this embodiment, and can be set to other numbers.

[0044] The touch module 12 includes a touch switch 123, and the touch switch 123 is connected to the touch member 11, and the touch member 11 is electrically connected to the touch circuit unit 122. Specifically, the user can trigger the touch switch 123 by pressing the touch member 11, thereby generating an electrical signal corresponding to a click signal in the electronic device, which can facilitate the user to perform a click confirmation operation when using the electronic device.

[0045] In this embodiment, the number of touch switches 123 is two, corresponding to the left button and the right button of the mouse, and the two touch switches 123 are respectively arranged at the opposite ends of the touch member, but the number of touch switches 123 is not limited to two, and can be set to one, three or more than three.

[0046] The touch circuit unit 122 includes a touch chip, which is connected to the touch matrix 121. The touch matrix 121 can send electrical signals to the touch chip to send the user's operation information to the touch chip and even the connected device. In addition, the touch chip can receive signals from the antenna module 14, and the touch chip can transmit the signals sent by the antenna module 14 to the connected device.

[0047] In particular, the touch chip used in this embodiment is of model QFN52-6X640CH.

[0048] The antenna module 14 includes an antenna circuit unit 141, and the antenna circuit unit 141 is connected to the touch circuit unit 122, and the NFC antenna 13 is connected to the antenna circuit unit 141. Specifically, the antenna circuit unit 141 is used to drive the NFC antenna 13 and identify the device connected to the NFC antenna 13, and transmit the wireless signal transmitted by the NFC antenna 13 to the touch circuit unit 122.

[0049] The antenna circuit unit 141 includes an antenna chip, the LB port and LA port of the antenna chip are connected to the NFC antenna 13, the ED port is connected to the NFC_INT port of the touch chip, the SCL port is connected to the NFC_SCL port of the touch chip, and the SDA port is connected to the NFC_SDA port of the touch chip, so that the antenna chip transmits the wireless connection transmission signal to the touch chip.

[0050] In particular, the antenna chip used in this embodiment is of model NTP53121GOJHKZ.

[0051] The touch panel 1 with NFC function includes an interface module 15 and a power supply module 16 . The interface module 15 is connected to the touch module 12 , and the power supply module 16 is connected to the touch module 12 and the antenna module 14 , respectively.

[0052] Specifically, the power supply module 16 supplies power to the touch module 12 and the antenna module 14, drives the touch module 12 and the antenna module 14 to operate, and is connected to an external power source and converted into a power source suitable for the touch module 12 and the antenna module 14. The interface module 15 is connected to an external device, and can transmit the electrical signal of the touch module 12 to the external device, completing the signal transmission and information exchange.

[0053] Second, see Figure 8 The utility model discloses an electronic device 2, which includes the above-mentioned touch panel 1 with NFC function. In the touch panel 1 with NFC function, the NFC antenna 13 is arranged around the touch matrix 121, and the sensing area of ​​the NFC antenna 13 is increased.

[0054] It can be understood that for an electronic device 2 provided with a touchpad 1 with an NFC function, since the NFC antenna 13 is arranged around the touch matrix 121, its sensing area is increased, and it is more convenient for users to use portable electronic devices to wirelessly connect to the electronic device 2 provided with the touchpad 1 with the NFC function, thereby reducing the inconvenience caused by the limitation of the recognition area.

[0055] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0056] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0057] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0058] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0059] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0060] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

[0061] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these modifications and variations.

[0062] The above is a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A touchpad with NFC function, characterized in that: It includes a touch module, an NFC antenna and an antenna module, wherein the touch module is electrically connected to the antenna module, and the NFC antenna is electrically connected to the antenna module; The touch module includes a touch matrix, and the NFC antenna is arranged around the periphery of the touch matrix.

2. The touch panel with NFC function according to claim 1, characterized in that: The touch module includes a touch circuit unit, and the touch matrix is ​​connected to the touch circuit unit.

3. The touch panel with NFC function according to claim 2, characterized in that: A touch element is included, and the touch matrix and the NFC antenna are installed on the touch element.

4. The touch panel with NFC function according to claim 3, characterized in that: The antenna module includes an antenna circuit unit, and the antenna circuit unit is connected to the touch circuit unit.

5. The touch panel with NFC function according to claim 4, characterized in that: The touch module includes a touch switch, the touch switch is connected to the touch element, and the touch element is electrically connected to the touch circuit unit.

6. The touch panel with NFC function according to claim 1, characterized in that: An interface module is included, and the interface module is connected to the touch module.

7. The touch panel with NFC function according to claim 2, characterized in that: The touch circuit unit includes a touch chip, and the touch chip model is QFN52-6X640CH.

8. The touch panel with NFC function according to claim 4, characterized in that: The antenna circuit unit includes an antenna chip, and the antenna chip model is NTP53121GOJHKZ.

9. The touch panel with NFC function according to claim 1, characterized in that: A power supply module is included, and the power supply module is connected to the touch module and the antenna module respectively.

10. An electronic device, characterized in that: A touch panel with NFC function comprising any one of claims 1 to 9.

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