CN220456663U

CN220456663U - Terminal equipment

Info

Publication number: CN220456663U
Application number: CN202322167194.1U
Authority: CN
Inventors: 郭瑞
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-02-06
Anticipated expiration: 2033-08-11

Abstract

The present disclosure relates to a terminal device. The terminal device includes: a metal housing; the display screen is arranged on the metal shell; the cavity antenna is positioned between the display screen and the metal shell; the metal piece is positioned between the metal shell and the display screen and is arranged at intervals with the cavity antenna. Through the terminal equipment that this disclosure provided, can be based on the interference clutter that the interference cavity that the metalwork formed between cavity antenna shielding metal casing and the display screen produced, improve cavity antenna's antenna performance.

Description

Terminal equipment

Technical Field

The disclosure relates to the technical field of antenna design, and in particular relates to terminal equipment.

Background

With the continuous development of communication technology, more and more terminal devices are additionally provided with antennas with different shapes, different types and different radiation frequency bands so as to support the communication requirements of the terminal devices.

Currently, an antenna radiation plate is disposed in a terminal device, such as a tablet computer, and a cavity antenna is formed through the antenna radiation plate, and radiates wireless signals outwards through a non-display area of a display screen.

However, an interference cavity exists between the metal shell and the screen of the terminal equipment, and the interference cavity forms interference clutter to the signal radiation of the cavity antenna, so that the antenna efficiency of the cavity antenna is damaged.

Disclosure of Invention

To overcome the problems in the related art, the present disclosure provides a terminal device. Through the terminal equipment that this disclosure provided, can be based on the interference clutter that the interference cavity that the metalwork formed between cavity antenna shielding metal casing and the display screen produced, improve cavity antenna's antenna performance.

An embodiment of the present disclosure provides a terminal device, including:

a metal housing;

the display screen is arranged on the metal shell;

the cavity antenna is positioned between the display screen and the metal shell;

the metal piece is positioned between the metal shell and the display screen and is arranged at intervals with the cavity antenna.

In some embodiments, the distance between the metallic piece and the display screen is in the range of 0.1mm to 0.5 mm.

In some embodiments, the cavity antenna includes a first side, a second side disposed opposite the first side;

the distance between the first side edge and the center of the display screen is smaller than the distance between the second side edge and the center of the display screen;

the metal piece is arranged at a position close to the first side edge and is provided with a fourth side edge which is close to the first side edge and has the same direction as the first side edge;

wherein the length of the fourth side edge is greater than the length of the first side edge.

In some embodiments, the length of the fourth side edge is in the range of 20mm to 22 mm.

In some embodiments, the distance between the first side edge and the fourth side edge is in the range of 3mm to 10 mm.

In some embodiments, the display screen includes a display area and a non-display area surrounding the display area;

the projection of the metal piece in the direction of the display screen is positioned in the display area;

and a part of projection of the cavity antenna in the direction of the display screen is positioned in the display area, and the other part of projection of the cavity antenna in the direction of the display screen is positioned in the non-display area.

In some embodiments, the projection area of the projection of the metal piece in the direction of the display screen is 240mm ² Up to 280mm ² Within a range of (2).

In some embodiments, the distance between the metal piece and the display screen is less than the distance between the cavity antenna and the display screen.

In some embodiments, the metal piece comprises a shield.

In some embodiments, the terminal device further comprises:

the main board is arranged on the metal shell;

the metal piece is arranged on the main board.

In some embodiments, the terminal device further comprises:

the functional element is arranged on the main board and is positioned in a shielding cavity surrounded by the metal piece and the main board;

wherein the functional element comprises an audio element.

In some embodiments, the terminal device further comprises:

the image acquisition element is arranged on the metal shell;

the metal piece, the cavity antenna and the image acquisition element are all positioned on the same side of the terminal equipment.

In some embodiments, the metal piece is made of steel.

The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:

in the embodiment of the disclosure, the terminal equipment comprises a cavity antenna and a metal piece arranged between the metal shell and the display screen and spaced from the cavity antenna; the metal piece is used for shielding interference clutter generated by an interference cavity between the metal shell and the display screen for the cavity antenna, so that the influence on the efficiency of the cavity antenna on the target antenna mode of the cavity antenna caused by the addition of the interference clutter is reduced, and the antenna performance of the cavity antenna is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic diagram of a structure of a terminal device according to an exemplary embodiment;

fig. 2 is a schematic structural view of an antenna radiation plate and a metal member, which are shown according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating the location of a display area on a display screen according to an exemplary embodiment;

fig. 4 is a schematic diagram of antenna return loss according to an exemplary embodiment;

fig. 5 is a block diagram of a terminal device according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model.

In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is to be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with one another without conflict.

In the following description, the terms "first", "second", "third" and the like are merely used to distinguish similar objects and do not represent a particular ordering of the objects, it being understood that the "first", "second", "third" may be interchanged with a particular order or sequence, as permitted, to enable embodiments of the disclosure described herein to be practiced otherwise than as illustrated or described herein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing embodiments of the present disclosure only and is not intended to be limiting of the present disclosure.

The embodiment of the disclosure provides a terminal device. Referring to fig. 1, fig. 1 is a schematic diagram of a structure of a terminal device according to an exemplary embodiment; as shown in fig. 1, the terminal device includes:

a metal housing 1;

a display screen 2 mounted on the metal housing 1;

the cavity antenna 3 is positioned between the display screen 2 and the metal shell 1;

the metal piece 4 is positioned between the metal shell 1 and the display screen 2 and is arranged at a distance from the cavity antenna 3.

Here, the terminal device proposed by the present disclosure includes a mobile terminal or a portable electronic device, the mobile terminal including, but not limited to, a mobile phone, a tablet computer, etc.; portable electronic devices include personal computer devices and the like. Here, the cavity antenna proposed in the present disclosure can be used to transmit and receive wireless signals, for example, the cavity antenna may be used to radiate mobile communication signals or wireless fidelity signals, etc., which is not further limited in the present disclosure.

It should be noted that, the metal casing provided in the present disclosure may be a rear casing of a terminal device, where a display screen is installed on the rear casing, and a main board, a battery, and the like of the terminal device are also installed on the rear casing and located between the display screen and the rear casing. The metal shell provided by the disclosure may also be a middle frame, where the middle frame is located between the rear shell and the display screen of the terminal device, and a main board, a battery, and the like of the terminal device are mounted on the middle frame. Here, the terminal device may be a tablet computer.

In the embodiment of the disclosure, the cavity antenna is provided with a cavity with one surface open, and the opening of the cavity faces to the edge of the display screen, namely the non-display area of the display screen; when the cavity antenna radiates wireless signals, the current of the cavity antenna is concentrated on the side edge of the antenna radiation plate, and the wireless signals radiated by the cavity antenna radiate outwards from the opening through the non-display area of the display screen.

It should be noted that, the cavity antenna provided by the present disclosure may be used as an independent radiator, and has a feeding end and a grounding end, and when a radio frequency signal is input to the feeding end, an induced current is generated on the cavity antenna, so as to cause the cavity antenna to transmit and receive a radio signal; the cavity antenna may also act as a coupling antenna for other antennas in the terminal device, such as a bezel antenna. Specifically, the cavity antenna is provided with a grounding end and is arranged at intervals with the frame antenna, when a radio frequency signal is input from the feed end of the frame antenna, induced current is generated on the frame antenna, and the induced current is also generated on the cavity antenna due to electromagnetic induction, so that the cavity antenna can receive and transmit the radio signal together with the main antenna.

In some embodiments, the cavity antenna is enclosed by the antenna radiating plate and the metal housing.

Here, the antenna radiation plate is a part of a metal conductive plate in the terminal device; the metal conducting plate is arranged on the metal shell through the fixing piece, a space is reserved between the metal conducting plate and the metal shell, and an effective part of the metal conducting plate and the metal shell, which is enclosed into a cavity, is used as the antenna radiating plate according to the embodiment of the disclosure. Exemplary, metallic conductive plates include printed circuit boards (Printed Circuit Board, PCB) or flexible circuit boards (Flexible Printed Circuit, FPC); the metal conductive plate may also be an aluminum sheet, a copper sheet, etc., which is not further limited by the present disclosure.

Taking a case where the metal conductive plate includes a flexible circuit board as an example, referring to fig. 2, fig. 2 is a schematic structural view of an antenna radiation plate and a metal member shown in accordance with an exemplary embodiment; as shown in fig. 2, the metal conductive plate is an FPC, which is bent and disposed on the mounting bracket 5 and fixed by a plurality of fixing members 6. Here, the mounting bracket 5 is fixed to a metal housing (not shown in fig. 2) of the terminal device for supporting the mounting of some electronic components in the terminal device; the material of the mounting bracket 5 is a non-metallic material, such as plastic. The fixing members 6 are disposed on the side edges of the metal conductive plate, and the portion of the side edges of the metal conductive plate between two adjacent fixing members 6 forms the side edges of the antenna radiation plate 31, and in this embodiment of the disclosure, the side edges of the antenna radiation plate 31 are the side edges of the cavity antenna 3.

When the cavity antenna receives and transmits wireless signals, the current of the cavity antenna is mainly at the upper part of the antenna radiation plate, and the radiation of the cavity antenna is finally outwards radiated by the non-display area of the display screen; the cavity antenna provided by the disclosure works in a target antenna mode; the gap between the display screen and the middle frame metal shell forms an interference cavity, and the interference cavity synchronously generates a non-antenna mode; the non-antenna mode may generate interference clutter; when the non-antenna mode is added to the target antenna mode of the cavity antenna, the antenna performance is affected.

In the embodiment of the disclosure, the metal piece is arranged between the metal shell and the display screen, is arranged at intervals with the display screen and is used for isolating an electric field, eliminating clutter signals generated by an interference cavity between the metal shell and the display screen and reducing the effect of clutter signals on the efficiency of the cavity antenna when being added to a target antenna mode of the cavity antenna. Here, the metalwork that this disclosure provided sets up in the vicinity of cavity antenna to be located between display screen and the metal casing, can also realize the cavity antenna and set up the equivalent earthing effect of screen earthing terminal in the display area, improve the efficiency of cavity antenna.

In the present disclosure, the shape of the metal piece may be a regular shape or an irregular shape; in some examples, the metal piece can be a cuboid or a table body, and the metal piece is simple in structure and easy to produce, so that the practicability of the metal piece is improved; the metal piece can also be irregularly shaped and used for avoiding other devices in the terminal equipment, so that on one hand, the structure installation compactness of the terminal equipment is improved, and on the other hand, an interference cavity is formed between the metal shell and the display screen, and the antenna efficiency of the cavity antenna is further improved.

For example, referring to fig. 2, the metal part 4 shown in fig. 2 is irregularly shaped, with two straight sides in parallel and two oppositely disposed bent sides, where the two bent sides can be used to clear the mounting fixture of the terminal device.

In the embodiments of the present disclosure, the metal member may be a shield having a chamber or a shield having no chamber.

In some embodiments, the metal piece comprises a shield.

Here, the metal member may be a flexible metal plate, and the flexible metal plate is bent to form a shielding case having a cavity; the functional elements may be disposed within the shield or no other functional elements may be disposed within the shield, which is not limiting to the present disclosure.

According to the embodiment of the disclosure, the metal piece is arranged as the shielding cover, so that design diversity can be improved, and when components are arranged in the shielding cover, the shielding cover can be used for blocking an electric field and protecting safety of functional elements.

In some embodiments, the terminal device further comprises:

the main board is arranged on the metal shell;

and the metal piece is arranged on the main board.

In the embodiment of the disclosure, the main board may be welded to the metal housing, and the main board may be further mounted to the metal housing through a fixing structure such as a screw.

Here, the main board is provided with a circuit component, a system-level chip, etc., and the circuit component, the system-level chip, etc. can be connected with the flat cable board of the display screen.

In the embodiment of the disclosure, the metal piece is arranged on the main board, so that the installation reliability can be ensured.

In some embodiments, the terminal device further comprises:

the functional element is arranged on the main board and is positioned in a shielding cavity formed by the metal piece and the main board;

wherein the functional element comprises an audio element.

Here, the audio element includes, but is not limited to, a speaker element, a microphone element, and the like.

In still other embodiments, the functional elements further include diodes, transistors, etc. for transmitting electrical signals.

In the embodiment of the disclosure, when the metal piece is a shielding cover, a shielding cavity is formed by surrounding the metal piece and the main board, so that an external electric field is blocked, functional elements in the shielding cavity can be protected, and the safety of components on the main board is protected.

In some embodiments, referring to fig. 3, fig. 3 is a schematic diagram illustrating the location of a display area on a display screen according to an example embodiment; as shown in fig. 3, the display screen includes a display area 21 and a non-display area 22 surrounding the display area 21;

the projection of the metal piece 4 in the direction of the display screen is located in the display area 21;

the projection of the cavity antenna 3 in the direction towards the display screen is partly located in the display area 21 and partly in the non-display area 22.

It should be noted that fig. 3 only shows a schematic structural diagram of a portion of the terminal device, and the actual area of the display area of the corresponding display screen is larger than the area of the portion shown in fig. 3.

The projection of the cavity antenna in the direction towards the display screen is partially positioned in the display area, and the other part of the projection is positioned in the non-display area, so that the cavity antenna can meet the size requirement and can be arranged near the edge of the display screen, and the wireless signals radiated by the cavity antenna can radiate outwards from the non-display area as much as possible; and the projection of the metal piece in the direction of the display screen is all positioned in the display area, so that the metal piece can realize an omnibearing shielding effect.

In some embodiments, the distance between the metallic article and the display screen is in the range of 0.1mm to 0.5 mm.

Optionally, the distance between the metal piece and the display screen is 0.4mm.

Here, through with the distance between metalwork and the display screen in 0.1mm to 0.5 mm's within range, can realize that the cavity antenna sets up the equivalent earthing effect of screen earthing end in the display area, improve the efficiency of cavity antenna to after the interval sets up between metalwork and the display screen, reduced the display screen and pressed the ripple phenomenon because the earth pressure appears in the screen earthing end of display area, improved the display effect of display screen.

In some embodiments, the distance between the metallic piece and the display screen is less than the distance between the cavity antenna and the display screen.

Illustratively, the distance between the metallic piece and the display screen is between 0.1mm and 0.5mm, and the distance between the cavity antenna and the display screen is outside 0.7 mm.

Here, the metalwork is closer to the display screen than the cavity antenna, can make the metalwork better realize the earthing effect of cavity antenna.

In some embodiments, as shown in connection with fig. 2, the cavity antenna 3 includes a first side L1, a second side L2 disposed opposite the first side L1;

the distance between the first side L1 and the center of the display screen is smaller than the distance between the second side L2 and the center of the display screen;

the metal piece 4 is arranged at a position close to the first side edge L1 and is provided with a fourth side edge L4 which is close to the first side edge L1 and has the same arrangement direction as the first side edge L1;

wherein the length of the fourth side L4 is greater than the length of the first side L1.

Here, the shape of the antenna radiation plate of the cavity antenna may be rectangular or square; correspondingly, the first side edge and the second side edge can be side edges with the same length or side edges with different lengths; when the first side and the second side are sides of the same length, the first side and the second side may both be long sides of the cavity antenna or both be short sides of the cavity antenna, which is not limited by the present disclosure.

Optionally, referring to fig. 2, the cavity antenna 3 further includes a third side L3, where the third side L3 connects the first side L1 and the second side L2, a length of the third side L3 is greater than a length of the first side L1, and a length of the third side L3 is greater than a length of the second side L2; here, the first side L1 and the second side L2 are short sides of the cavity antenna.

In this disclosed embodiment, through setting up the length of the fourth side of metalwork and being greater than the length of the first side of cavity antenna, can make the size of metalwork satisfy the shielding demand of metalwork to cavity antenna for the metalwork plays better elimination effect to clutter signal in the setting direction of first side or fourth side, reduces the clutter and influences the near electric current of first side, further improves cavity antenna's radiation performance.

Optionally, the length of the fourth side edge is 20mm.

Here, through the length of adjustment fourth side for the size of metalwork satisfies the shielding demand of metalwork to cavity antenna, improves shielding effect.

Here, through setting up the distance between first side and the fourth side in the within range of 3mm to 10mm for the distance between metalwork and the cavity antenna satisfies the shielding demand of metalwork to the cavity antenna, improves shielding effect.

In some embodiments, the projected area of the projection of the metallic element toward the display screen is 240mm ² Up to 280mm ² Within a range of (2).

The occupation area of the metal part on the main board of the terminal equipment is 240mm ² Up to 280mm ² Is within the range of (2); optionally, the occupied area is 250mm ² 。

In the embodiment of the disclosure, the size and the area of the metal piece are adjusted, so that the size of the metal piece meets the shielding requirement of the metal piece on the cavity antenna, and the shielding effect is improved.

In some embodiments, the terminal device further comprises:

the image acquisition element is arranged on the metal shell;

Here, the image pickup element is disposed at a center position or a corner position of a side of the terminal device, and the image pickup element is disposed near a non-display area of the display screen. The metal piece, the cavity antenna and the image acquisition element are all arranged on the same side edge of the terminal equipment.

Here, the image acquisition component is arranged on the long side of the terminal equipment, and the metal piece and the cavity antenna are arranged close to the long side of the terminal equipment.

In practical implementation, when the terminal equipment comprises a tablet personal computer, the image acquisition assembly such as a front camera is close to the center position of the long side of the tablet personal computer, and the metal piece, the cavity antenna and the image acquisition assembly are arranged at intervals at the position close to the long side of the tablet personal computer.

According to the embodiment of the disclosure, the metal piece, the cavity antenna and the image acquisition element are arranged on the same side of the terminal equipment, so that the space of the terminal equipment is saved, and the cavity antenna is arranged at the edge and can radiate wireless signals better outwards.

In the embodiment of the disclosure, the material of the metal piece is a pure metal material or a metal alloy material.

The metal member may be an aluminum plate, and the material of the metal member may be an aluminum material or an aluminum alloy material made of an aluminum material and other materials.

In some embodiments, the material of the metallic article is a steel material.

Here, the metal member may be made of a stainless steel material.

According to the embodiment of the disclosure, the metal piece is made of the steel material, the advantages of high strength and good weldability of the steel material are utilized, the metal piece is more stable and durable in terminal equipment, and the shielding effect of the metal piece is further improved.

When the cavity antenna receives and transmits wireless signals, the current of the cavity antenna is mainly at the upper part of the antenna radiation plate, and meanwhile, the radiation of the cavity antenna is finally outwards radiated by a non-display area of the display screen, an interference cavity is formed by a gap between the display screen and the metal shell, and the interference cavity synchronously generates a non-antenna mode; the non-antenna mode may generate interference clutter; when the non-antenna mode is added to the target antenna mode of the cavity antenna, the antenna performance is affected. Referring to fig. 4, fig. 4 is a schematic diagram illustrating antenna return loss according to an exemplary embodiment; the ordinate of fig. 4 indicates the return loss parameter value of the cavity antenna (S11), and the abscissa of fig. 4 indicates the signal transmission/reception frequency band of the cavity antenna. As shown in fig. 4, the dashed line x2 in fig. 4 indicates the return loss parameter value of the cavity antenna when the ground terminal connected to the screen display area is not disposed on the cavity antenna, and fig. 4 shows that the return loss fluctuation of the cavity antenna is larger and the efficiency of the antenna is lower.

In the embodiment of the disclosure, in the case that the cavity antenna is surrounded by the antenna radiation plate and the metal casing, the conventional antenna radiation plate is generally provided with a plurality of grounding terminals, such as the grounding terminal a and the grounding terminal b shown in fig. 3 and a screen grounding terminal disposed at a corresponding portion of the display area of the display screen, but the screen grounding terminal receives pressure to cause the display screen to generate a pressing water ripple phenomenon, so that the display effect of the display screen is greatly affected.

The present disclosure proposes a terminal device in which a metal piece is provided, optionally a shield having a cavity; here, the shielding case is disposed near the cavity antenna, and projections toward the display screen are all located in the display area; at the same time, the size area of the shielding cover is 240mm ² Up to 280mm ² Between, shieldThe distance between the cover and the cavity antenna is between 3mm and 10mm, the interval between the shielding cover and the display screen is within 0.5mm, and the length of the fourth side edge of the shielding cover is 20mm. Thus, with reference to fig. 4, the solid line x1 represents the return loss parameter value of the cavity antenna after the shielding case is disposed near the cavity antenna, and after such shielding case is disposed, the return loss fluctuation of the cavity antenna is smaller, and the efficiency of the antenna is higher; that is, by setting the shielding cover, the equivalent grounding effect of the screen grounding end of the cavity antenna is realized, so that the surrounding electric field is interrupted by the shielding cover, clutter signals generated by an interference cavity between the display screen and the metal shell are interrupted, the antenna performance of the cavity antenna is improved, the shielding cover and the display screen are provided with intervals, the phenomenon that the display screen presses water ripple is reduced, and the display effect of the display screen is improved.

Referring to fig. 5, fig. 5 is a block diagram illustrating a structure of a terminal device according to an exemplary embodiment; as shown in fig. 5, a terminal device 800 provided by an embodiment of the present disclosure may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.

The processing component 802 generally controls overall operation of the terminal device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interactions between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.

The memory 804 is configured to store various types of data to support operations at the device 800. Examples of such data include instructions for any application or method operating on terminal device 800, contact data, phonebook data, messages, pictures, video, and the like. The memory 804 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.

The power component 806 provides power to the various components of the terminal device 800. Power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for terminal device 800.

The multimedia component 808 includes a screen between the terminal device 800 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and/or a rear camera. The front camera and/or the rear camera may receive external multimedia data when the device 800 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the terminal device 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 further includes a speaker for outputting audio signals.

The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.

The sensor assembly 814 includes one or more sensors for providing status assessment of various aspects of the terminal device 800. For example, the sensor assembly 814 may detect an on/off state of the device 800, a relative positioning of the components, such as a display and keypad of the terminal device 800, the sensor assembly 814 may also detect a change in position of the terminal device 800 or a component of the terminal device 800, the presence or absence of a user's contact with the terminal device 800, an orientation or acceleration/deceleration of the terminal device 800, and a change in temperature of the terminal device 800. The sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 816 is configured to facilitate communication between the terminal device 800 and other devices, either wired or wireless. The terminal device 800 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In one exemplary embodiment, the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the terminal device 800 can be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.

In an exemplary embodiment, a non-transitory computer readable storage medium is also provided that includes instructions, such as memory 804 including instructions, that are executable by processor 820 of terminal device 800. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. A terminal device, comprising:

a metal housing;

the display screen is arranged on the metal shell;

2. The terminal device of claim 1, wherein a distance between the metallic member and the display screen is in a range of 0.1mm to 0.5 mm.

3. The terminal device of claim 1, wherein the cavity antenna comprises a first side and a second side disposed opposite the first side;

4. A terminal device according to claim 3, characterized in that the length of the fourth side edge is in the range of 20mm to 22 mm.

5. A terminal device according to claim 3, characterized in that the distance between the first side and the fourth side is in the range of 3mm to 10 mm.

6. The terminal device according to any one of claims 1 to 5, wherein the display screen comprises a display area and a non-display area surrounding the display area;

7. A terminal device according to any of claims 1-5, characterized in that the projected area of the projection of the metal piece in the direction of the display screen is 240mm ² Up to 280mm ² Within a range of (2).

8. The terminal device according to any of claims 1 to 5, wherein a distance between the metal piece and the display screen is smaller than a distance between the cavity antenna and the display screen.

9. A terminal device according to any of claims 1-5, characterized in that the metal part comprises a shielding.

10. The terminal device according to any of claims 1 to 5, characterized in that the terminal device further comprises:

the main board is arranged on the metal shell;

the metal piece is arranged on the main board.

11. The terminal device according to claim 10, characterized in that the terminal device further comprises:

wherein the functional element comprises an audio element.

12. The terminal device according to any of claims 1 to 5, characterized in that the terminal device further comprises:

the image acquisition element is arranged on the metal shell;

13. A terminal device according to any one of claims 1 to 5, wherein the material of the metal piece is a steel material.