WO2020134919A1

WO2020134919A1 - Mobile phone and slave unit

Info

Publication number: WO2020134919A1
Application number: PCT/CN2019/122942
Authority: WO
Inventors: 李�杰
Original assignee: Oppo广东移动通信有限公司
Priority date: 2018-12-29
Filing date: 2019-12-04
Publication date: 2020-07-02
Also published as: CN209994402U

Abstract

A mobile phone (10), comprising a master unit (100) and a slave unit (200). The master unit (100) comprises a first power supply module, and the slave unit (200) comprises a second power supply module (210), a display screen (220), and a motherboard (230). The slave unit (200) can be installed on the master unit (100) and can be detached from the master unit (100), and after the slave unit (200) is detached from the master unit (100), the slave unit (200) can be communicationally connected to the master unit (100). The display screen (220) comprises a screen module (221), a screen circuit board (223), and a screen chip (225); the screen module (221) can be communicationally connected to the screen chip (225) by means of the screen circuit board (223); the screen chip (225) protrudes out of the side away from a displayable area of the screen module (221). The motherboard (230) covers the screen circuit board (223) and the screen chip (225) can be communicationally connected to the motherboard (230) by means of the screen circuit board (223); the motherboard (230) is arranged with a through hole (231); the screen chip (225) is completely or partially accommodated in the through hole (231).

Description

Mobile phone and handset

Technical field

The invention relates to the technical field of mobile terminals, in particular to a mobile phone and a slave.

Background technique

The trend of thinning and thinning of mobile terminals such as smartphones is becoming more and more obvious, and consumers' performance requirements for smart phones are gradually increasing. However, thinning and thinning and performance restrict each other to a certain extent, making the design of traditional mobile terminals encounter bottleneck.

Summary of the invention

Based on this, it is necessary to provide a mobile phone and a handset.

A mobile phone, including:

Host, including the first power module; and

The sub machine includes a second power module, a display screen and a main board, the second power module can supply power to the display screen and the main board; the sub machine can be installed in and detached from the main machine, After the sub-machine is detached from the host, the sub-machine can communicate with the host; the mobile phone can communicate with external devices through the host;

Wherein, the display screen includes a screen module, a screen circuit board, and a screen chip, and the screen module can be communicatively connected to the screen chip through the screen circuit board; the screen chip is protrudingly provided away from the screen One side of the displayable area of the module; the main board covers the screen circuit board and the screen chip can communicate with the main board through the screen circuit board; the main board is provided with a through hole, the screen chip All or part of it is contained in the through hole.

A slave machine includes a second power module, a display screen and a main board, and the second power module can supply power to the display screen and the main board; the display screen includes a screen module, a screen circuit board and a screen chip. The screen module can be communicatively connected to the screen chip through the screen circuit board; the screen chip is protrudingly provided on a side facing away from the display area of the screen module; the main board covers the screen circuit board In addition, the screen chip can be communicatively connected to the main board through the screen circuit board; the main board is provided with a through hole, and the screen chip is entirely or partially accommodated in the through hole.

A mobile phone, including:

Host; and

The sub-machine can be installed in and detached from the host machine. After the sub-machine is detached from the host machine, the sub-machine can communicate with the host machine; the mobile phone can communicate with the host machine External device communication; the sub-machine includes a display screen and a main board, the display screen includes a screen module, a screen circuit board and a screen chip, and the screen module communicates with the screen chip through the screen circuit board; The screen chip is protrudingly arranged on the back side of the displayable area of the screen module; the main board covers the screen circuit board and the screen chip is in communication connection with the main board through the screen circuit board; the main board is opened There is a through hole, and the screen chip is completely or partially accommodated in the through hole.

BRIEF DESCRIPTION

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, without paying any creative work, drawings of other embodiments can be obtained based on these drawings.

Figure 1 is a front view of a mobile phone in an embodiment;

Figure 2 is a left side view of the mobile phone shown in Figure 1;

Figure 3 is a right side view of the mobile phone shown in Figure 1;

4 is a rear view of the mobile phone shown in FIG. 1;

5 is a bottom view of the mobile phone shown in FIG. 1;

6 is a perspective view of the mobile phone shown in FIG. 1 after being detached from the main unit;

7 is a rear view of the handset of FIG. 6 after removing some components;

8 is a perspective view of the handset of FIG. 7 after removing some components;

9 is an exploded view of the handset of the mobile phone shown in FIG. 8;

10 is a flowchart of the mobile phone in the first working state in an embodiment;

11 is another flowchart of the mobile phone shown in FIG. 10 in the first working state;

12 is a flowchart of a mobile phone in a second working state in an embodiment;

13 is another flowchart of the mobile phone shown in FIG. 12 in the second working state;

14 is a schematic diagram of a module structure of a mobile phone in an embodiment;

15 is a schematic diagram of a module structure of a mobile phone in another embodiment;

16 is a schematic diagram of a module structure of a mobile phone in another embodiment.

detailed description

In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to related drawings. The drawings show preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

As used herein, "terminal device" refers to a device that includes but is not limited to a device capable of receiving and/or transmitting communication signals connected via any one or several of the following connection methods:

(1) Connection via wired line, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection;

(2) Via wireless interface, such as cellular network, wireless local area network (Wireless Local Area Network, WLAN), digital TV network such as DVB-H network, satellite network, AM-FM broadcast transmitter.

A terminal device set to communicate through a wireless interface may be called a "mobile terminal". Examples of mobile terminals include but are not limited to the following electronic devices:

(1) Satellite phone or cellular phone;

(2) A personal communication system (PCS) terminal that can combine cellular radiotelephone with data processing, fax and data communication capabilities;

(3) Radiotelephone, pager, Internet/intranet access, web browser, memo pad, calendar, personal digital assistant (Personal Digital Assistant (PDA)) equipped with a Global Positioning System (GPS) receiver;

(4) Conventional laptop and/or palm receiver;

(5) Conventional laptop and/or handheld radiotelephone transceivers, etc.

Referring to FIGS. 1 to 3, in an embodiment, the mobile phone 10 is a smart phone. The mobile phone 10 includes a host 100 and a slave 200. Referring to FIGS. 4 and 5 at the same time, the host 100 includes a first power module. 6 and FIG. 7 at the same time, the handset 200 includes a second power module 210, a display screen 220, and a main board 230, and the second power module 210 can supply power to the display screen 220 and the main board 230. The display screen 220 can be used to display information and provide an interactive interface for the user. The slave 200 can be mounted on and detached from the host 100. Referring to FIG. 6, after the slave 200 is detached from the host 100, the host 100 can communicate with the slave 200. After the sub-machine 200 is detached from the main unit 100, the sub-machine 200 can operate independently, and can provide basic functions such as display and call for user convenience, and the main unit 100 can be placed in a pocket or other places. The main functions of data processing, storage, and baseband communication of the mobile phone 10 can be set in the host 100 to reduce the number of electronic components of the sub-machine 200, thereby achieving the slimming of the sub-machine 200 and improving the endurance of the sub-machine 200. The host 100 can be provided with a large-capacity battery to improve the endurance of the host 100. After the handset 200 is installed in the host 100, the mobile phone 10 can realize complete functions. In other embodiments, the mobile phone 10 may be a tablet or the like.

Referring to FIGS. 8 and 9, the display screen 220 includes a screen module 221, a screen circuit board 223 and a screen chip 225. The screen module 221 can communicate with the screen chip 225 through the screen circuit board 223. The screen chip 225 is convexly disposed on the side facing away from the displayable area of the screen module 221. The screen chip 225 is used to drive the screen module 221 to control the display of the screen module 221. The main board 230 covers the screen circuit board 223 and the screen chip 225 can communicate with the main board 230 through the screen circuit board 223 so that the main board 230 can control the display of the screen module 221. It can be understood that the screen chip 225 is provided with a circuit for controlling the screen module 221 and other necessary electronic components. The main board 230 defines a through hole 231, and the screen chip 225 is completely or partially accommodated in the through hole 231. It can be understood that there may be multiple screen chips 225, and there may be multiple through holes 231, so that the screen chip 225 can be correspondingly disposed in the through holes 231.

10 and 11, in an embodiment, the host 100 includes a wireless modem module, a host main controller, and a host wireless transceiver module. The slave 200 includes a slave keyboard, a slave main controller, and a slave wireless transceiver module. In the first working state of the mobile phone 10, the control command output by the sub-machine keyboard, under the control of the sub-machine main controller, after being modulated by the sub-machine wireless transceiver module, is sent to the host wireless transceiver module, which is controlled by the host main controller Next, after being modulated by the wireless modem module, it is sent to the air. The control signal from the air is demodulated by the wireless modulation and demodulation module, passed through the host main controller, modulated by the host wireless transceiver module, and sent to the slave. After the slave wireless transceiver module receives it, it is controlled by the slave main controller Next, it is displayed by the display screen 220. It can be understood that the sub-machine keyboard may be a touch keyboard, or may also be realized by a display screen with a touch screen operation function.

Referring to FIGS. 12 and 13, in an embodiment, the host 100 includes a wireless modem module, a host main controller, and a host wireless transceiver module, and the slave 200 includes a slave main controller, a slave microphone, and a slave receiver. A slave audio encoder, a slave audio decoder, and a slave wireless transceiver module capable of communicating with the host wireless transceiver module. In the second working state, the audio signal from the sub-machine microphone is encoded by the sub-machine audio encoder and then transmitted to the sub-machine main controller. Under the control of the sub-machine main controller, it is sent out by the sub-machine wireless transceiver module. After being received by the host wireless transceiver module, it is transmitted to the wireless modem module under the control of the host host controller, and sent to the air after being modulated by the wireless modem module. The signal from the air is demodulated by the wireless modulation and demodulation module and transmitted to the host main controller. Under the control of the host main controller, it is transmitted to the host wireless transceiver module. After being modulated by the host wireless transceiver module, it is sent to the sub The audio signal demodulated by the wireless transceiver module of the handset 200, under the control of the master controller of the handset, is decoded by the audio decoder of the handset, and then output by the receiver of the handset. It can be understood that the slave audio encoder can be a separate hardware unit, can also be integrated in the slave microphone, or can be integrated in the master controller of the slave, in terms of its function, it can also have audio decoding function The audio codec of the handset; the handset audio decoder can be a separate hardware unit, or it can be integrated in the handset of the handset, or it can be integrated in the main controller of the handset. Functional audio codec.

Referring to FIGS. 14 and 15, in an embodiment, the host 100 includes a wireless modem module, a host host controller, and a host wireless transceiver module. The host host controller can communicate with the wireless modem module and the host wireless transceiver module. The slave 200 includes a slave main controller and a slave wireless transceiver module capable of communicating with the master wireless transceiver module, and the slave main controller can communicate with the slave wireless transceiver module. The slave 200 can access the communication network through the host 100.

Further, referring to FIG. 16, the host 100 includes a host first wireless communication module, a host main controller, and a host second wireless communication module. The host main controller can communicate with the host first wireless communication module and the host second wireless communication module. The slave 200 includes a slave main controller and a slave wireless communication module. The slave main controller can communicate with the slave wireless communication module, the slave wireless communication module can communicate with the first wireless communication module of the master, and the second wireless of the master The communication module can communicate with the base station (Base Station). In an embodiment, the first wireless communication module of the host and the wireless communication module of the slave are both low-power Bluetooth communication modules. In other embodiments, the host first wireless communication module and the slave wireless communication module may both be wireless local area network (WiFi, Wireless) communication modules.

In the mobile phone 10 described above, the handset 200 can be installed on and detached from the host 100, and after the disassembly, the handset 200 can operate independently and communicate with the host 100, and the host 100 can be placed in a pocket or elsewhere. The number of electronic components of the sub-machine 200 can be reduced, and the sub-machine 200 can be made thinner and lighter while ensuring the endurance of the sub-machine 200. Since the main board 230 of the slave unit 200 is provided with a through hole 231 and the screen chip 225 is entirely or partially accommodated in the through hole 231, the above structure avoids stacking the main board 230 on the screen chip 225, which is beneficial to the whole of the sub unit 200 The reduction in thickness is beneficial to the thinning and thinning of the mobile phone 10.

Referring to FIG. 9, the screen circuit board 223 includes a convex portion 222 protruding from the side facing away from the displayable area. In one embodiment, the screen circuit board 223 includes a flexible circuit board (FPC, Flexible Printed Circuit), which is light, thin, and easily deformed, which facilitates the assembly of the display screen 220 and the main board 230. The flexible circuit board is folded and protruded on the side facing away from the displayable area of the screen module 221, and the protrusion 222 is a part of the flexible circuit board. In one embodiment, a coordinate system is established by taking the length direction of the slave 200 as the x-axis, the width direction as the y-axis, and the thickness direction as the z-axis, which is a geometric plane perpendicular to the thickness direction of the slave 200 (z-axis direction), Taking the geometric plane as a reference plane, the orthographic projection of the convex portion 222 on the reference plane is outside the orthographic projection of the second power module 210 on the reference plane. The above structure avoids stacking the second power module 210 on the convex portion 222 of the screen circuit board 223. The thickness of the second power module 210 can be appropriately thickened because the thickness parameter of the second power module 210 has a greater influence on the battery capacity The length and width parameters of the second power module 210 affect the battery capacity. Therefore, the above configuration improves the endurance of the handset 200 while ensuring the slimness of the handset 200, which in turn is beneficial to the slimming of the mobile phone 10. For example, with the above-described sub-machine 200, the maximum thickness may be 5 mm or less.

Further, in an embodiment, the orthographic projection of the convex portion 222 on the reference plane is all located within the orthographic projection of the main board 230 on the reference plane, and the orthographic projection of the main board 230 on the reference plane is located on the second power module 210 at the reference Out of the orthographic projection on the plane. The above structure avoids stacking the second power module 210 on the main board 230. The second power module 210 can be appropriately thickened, while improving the endurance of the handset 200 while ensuring the slimness of the handset 200, which is beneficial to the mobile phone 10 Thin and light. Further, in an embodiment, the orthographic projection of the second power module 210 on the reference plane is outside the orthographic projection of the screen circuit board 223 on the reference plane. The above structure avoids stacking the second power module 210 on the screen circuit board 223. The thickness of the second power module 210 can be appropriately thickened, which can improve the endurance of the sub-machine 200 while ensuring the slimness of the sub-machine 200. Conducive to the thinning of the mobile phone 10.

Further, the main board 230 includes a circuit board 235 and a plurality of electronic components 237, the plurality of electronic components 237 are respectively connected to the circuit board 235, and all the electronic components 237 are located on the side of the circuit board 235 facing away from the screen module 221. Specifically, the electronic component 237 may include a processor of the slave 200, a power management chip, a baseband chip, a memory chip, and other electronic components such as capacitors and resistors. In the thickness direction (z-axis direction) of the slave unit 200, the above arrangement avoids the provision of electronic components 237 on both sides of the circuit board 235, which is beneficial to the reduction of the thickness of the main board 230 and further to the thinning and thinning of the slave unit 200.

The handset 200 may include a fingerprint identification component 240, which is used to collect fingerprint information of the user, so that the mobile phone 10 can verify the identity of the user. The fingerprint identification component 240 is connected to the motherboard 230 and can communicate with the motherboard 230, and the screen module 221 covers the fingerprint identification component 240. In one embodiment, the fingerprint identification component 240 adopts an off-screen fingerprint solution, that is, the display screen 220 uses an OLED (Organic Light-Emitting Diode, organic light emitting diode) screen, and the display screen 220 can be covered by the transparent nature of the OLED screen On the fingerprint recognition component 240, under-screen fingerprint recognition is implemented to avoid opening holes in the display screen 220, so as to avoid adversely affecting the screen ratio and appearance of the handset 200.

Referring to FIGS. 7 to 9, the slave 200 includes a sub-board 250 whose area of the orthographic projection of the sub-board 250 on the reference plane is not larger than the area of the orthographic projection of the main board 230 on the reference plane. Many electronic components can be arranged on the main board 230, for example, the main controller of the sub machine of the sub machine 200, the power management chip, the storage module of the sub machine, etc. can be arranged on the main board 230. The number of electronic components on the sub board 250 may be less than that of the main board 230. The second power module 210 can supply power to the sub board 250, and the sub board 250 can be communicatively connected to the main board 230. Specifically, in one embodiment, the communication between the main board 230 and the sub-board 250 and the power supply from the second power module 210 to the sub-board 250 are all implemented through the flexible circuit board. In the longitudinal direction (x-axis direction) of the slave unit 200, the main board 230 and the sub board 250 are spaced apart, and the second power supply module 210 is located between the main board 230 and the sub board 250. With the above structure, the second power module 210 does not need to be stacked on the main board 230 or the sub-board 250. The thickness of the second power module 210 can be appropriately thickened to improve the endurance of the sub-machine 200 while ensuring the slimness of the sub-machine 200. It can be understood that the arrangement of the electronic components of the sub-board 250 may be similar to that of the main board 230, that is, to arrange all the electronic components of the sub-board 250 on the side facing away from the displayable area of the screen module 221 to facilitate the thickness of the sub-board 250 The reduction in thickness is beneficial to the overall thickness reduction of the handset 200.

Referring to FIGS. 6 to 8, in an embodiment, the slave 200 includes a camera module 260, and the camera module 260 is connected to the sub board 250 and can communicate with the sub board 250. Referring to FIG. 9 at the same time, the screen module 221 is provided with a gap 227, and the camera module 260 is inserted through the gap 227. The light incident surface of the camera module 260 can be exposed from the displayable area of the screen module 221, so that the camera module 260 can perform the function of a front camera, so as to facilitate users to perform video calls, selfies, and other operations through the front camera. The placement of the camera module 260 in the notch 227 not only helps to increase the screen ratio of the handset 200, but also prevents the screen module 221 from being stacked on the camera module 260, which in turn contributes to the slimness of the handset 200 .

Further, the handset 200 may include a functional device connected to the sub board 250 and capable of communicating with the sub board 250. The functional device includes at least one of a microphone, a receiver, an ambient light sensor, a proximity sensor, and a fill light. Among them, the microphone is used to receive the external voice signal, and the receiver is used to transmit the voice signal out of the handset 200, so as to facilitate the user to talk or answer voice information. The ambient light sensor is used to detect the intensity of ambient light, so that the slave 200 can adjust the display brightness of the screen module 221 according to the intensity of ambient light, so that the user can easily view information through the screen module 221. The proximity sensor is used to detect the distance between the user's face and the handset 200, so that when the user receives a call, the display screen 220 can automatically turn off or brighten the screen. The fill light can be an LED light. During the shooting process of the camera module 260, the fill light can perform fill light to improve the quality of the camera module 260 shooting.

Referring again to FIG. 6, the sub-machine 200 includes a front surface 271 and a rear surface 273 disposed opposite to each other, and a side peripheral surface 275 connected between the front surface 271 and the rear surface 273. The displayable area of the screen module 221 faces the front surface 271. The main body 100 includes a main body 110 and a bracket 120 connected to the main body 110. The main body 110 is provided with an accommodating groove 111. The bracket 120 can be flipped relative to the main body 110 to a locked state and an expanded state. Referring to FIG. 6, the bracket 120 is accommodated in the accommodating groove 111 in the locked state. In the unfolded state, the handset 200 can be placed vertically or obliquely on the main body 100 and the stand 120 can be in contact with the rear surface 273, and the main body portion 110 can be in contact with the side peripheral surface 275. The bracket 120 can be used to support the sub-machine 200 to facilitate the user to use the sub-machine 200 to watch videos and the like.

The technical features of the above-mentioned embodiments can be arbitrarily combined. To simplify the description, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered within the scope of this description.

The above examples only express several implementations of the present invention, and their descriptions are more specific and detailed, but they should not be construed as limiting the patent scope of the invention. It should be noted that, for a person of ordinary skill in the art, without departing from the concept of the present invention, a number of modifications and improvements can also be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the invention patent shall be subject to the appended claims.

Claims

A mobile phone, including:

Host, including the first power module; and

The sub machine includes a second power module, a display screen and a main board, the second power module can supply power to the display screen and the main board; the sub machine can be installed in and detached from the main machine, After the sub-machine is detached from the host, the sub-machine can communicate with the host; the mobile phone can communicate with external devices through the host;

Wherein, the display screen includes a screen module, a screen circuit board, and a screen chip, and the screen module can be communicatively connected to the screen chip through the screen circuit board; the screen chip is protrudingly provided away from the screen One side of the displayable area of the module; the main board covers the screen circuit board and the screen chip can communicate with the main board through the screen circuit board; the main board is provided with a through hole, the screen chip All or part of it is contained in the through hole.
The mobile phone according to claim 1, wherein the sub-machine includes a sub board, the sub board and the main board are spaced apart, and the second power module is located between the main board and the sub board ; The area of the main board is larger than that of the sub-board, and the sub-board can communicate with the main board; the screen circuit board includes a convex portion, the convex portion is convexly located away from the display area On one side, the orthographic projection of the convex portion on the reference plane is outside the orthographic projection of the second power module on the reference plane; the reference plane is a geometric plane perpendicular to the thickness direction of the slave.
The mobile phone according to claim 2, wherein the orthographic projection of the convex portion on the reference plane is all within the orthographic projection of the main board on the reference plane, and the main board is in the The orthographic projection on the reference plane is located outside the orthographic projection of the second power module on the reference plane.
The mobile phone according to claim 3, wherein the orthographic projection of the second power module on the reference plane is outside the orthographic projection of the screen circuit board on the reference plane.
The mobile phone according to claim 2, wherein the handset includes a camera module; the camera module is connected to the sub board and can communicate with the sub board, and the screen module is provided with a notch , The camera module passes through the gap.
The mobile phone according to claim 1, wherein the main board includes a circuit board and a plurality of electronic components, the plurality of the electronic components are respectively connected to the circuit board, and the electronic components are located on the circuit board The side facing away from the screen module.
The mobile phone according to claim 1, wherein the handset includes a fingerprint identification component, the fingerprint identification component is connected to the main board and can communicate with the main board, and the screen module covers the fingerprint identification Components.
The mobile phone according to claim 1, wherein the host includes a wireless modem module, a host main controller, and a host wireless transceiver module; the sub-machine includes a sub-machine keyboard, a sub-machine main controller, and a sub-machine wireless Transceiver module; in the first working state of the mobile phone, the control command output by the keypad of the handset, under the control of the main controller of the handset, is modulated by the wireless transceiver module of the handset and sent to the The host wireless transceiver module, under the control of the host host controller, is modulated by the wireless modem module and sent to the air; the control signal from the air is demodulated by the wireless modem module and passes through The host main controller is modulated by the host wireless transceiver module and sent to the sub-machine. After the sub machine wireless transceiver module receives it, under the control of the sub-machine main controller, the display screen display.
The mobile phone according to claim 1, wherein the host includes a wireless modem module, a host main controller, and a host wireless transceiver module; the slave includes a slave main controller, a slave microphone, and a slave The receiver, the handset audio encoder, the handset audio decoder, and the handset wireless transceiver module capable of communicating with the host wireless transceiver module; in the second working state, the audio signal from the handset microphone The sub-machine audio encoder is encoded and transmitted to the sub-machine main controller, under the control of the sub-machine main controller, sent by the sub-machine wireless transceiver module, and received by the host wireless transceiver module , Under the control of the host main controller, transmitted to the wireless modem module, modulated by the wireless modem module and sent to the air; the signal from the air is decoded by the wireless modem module Transferred to the host main controller, transferred to the host wireless transceiver module under the control of the host main controller, modulated by the host wireless transceiver module, and sent to the slave machine, The audio signal demodulated by the wireless transceiver module of the slave machine is output by the receiver of the slave machine after being decoded by the audio decoder of the slave machine under the control of the master controller of the slave machine.
The mobile phone according to claim 1, wherein the host includes a wireless modem module, a host host controller, and a host wireless transceiver module, and the host host controller can communicate with the wireless modem module and The host wireless transceiver module communicates; the slave includes a slave main controller and a slave wireless transceiver module that can communicate with the host wireless transceiver module, and the slave main controller can communicate with the slave wireless transceiver module Communication; the slave can access the communication network through the host.
The mobile phone according to claim 1, wherein the host includes a host first wireless communication module, a host main controller, and a host second wireless communication module, and the host main controller can communicate with the host first wirelessly The communication module communicates with the second wireless communication module of the host; the sub machine includes a sub machine main controller and a sub machine wireless communication module, and the sub machine main controller can communicate with the sub machine wireless communication module, the The slave wireless communication module can communicate with the first wireless communication module of the host; the second wireless communication module of the host can communicate with the base station.
The mobile phone according to claim 1, wherein the handset includes a front surface and a rear surface disposed opposite to each other, and a side peripheral surface connected between the front surface and the rear surface. The display area faces the front surface; the main body includes a main body part and a bracket connected to the main body part, an accommodating groove is opened on the main body part, and the bracket can be flipped to a locked state with respect to the main body part and Unfolded state; wherein, in the locked state, the bracket is received in the accommodating groove, in the unfolded state, the sub machine can be placed on the main unit vertically or obliquely and the bracket can be connected with the rear The surface is in contact, and the body portion can be in contact with the side peripheral surface.
A slave machine includes a second power module, a display screen and a main board, and the second power module can supply power to the display screen and the main board; the display screen includes a screen module, a screen circuit board and a screen chip. The screen module can be communicatively connected to the screen chip through the screen circuit board; the screen chip is protrudingly provided on a side facing away from the display area of the screen module; the main board covers the screen circuit board In addition, the screen chip can be communicatively connected to the main board through the screen circuit board; the main board is provided with a through hole, and the screen chip is entirely or partially accommodated in the through hole.
The slave machine according to claim 13, wherein the slave machine includes a sub board, the sub board and the main board are spaced apart, and the second power module is located between the main board and the sub board The area of the main board is larger than that of the sub-board, and the sub-board can be communicatively connected to the main board; the screen circuit board includes a raised portion, the raised portion protruding from the back to the display On one side of the zone, the orthographic projection of the convex portion on the reference plane is outside the orthographic projection of the second power module on the reference plane; the reference plane is a geometric plane perpendicular to the thickness direction of the slave.
The slave device according to claim 14, wherein the orthographic projection of the protrusion on the reference plane is all within the orthographic projection of the main board on the reference plane, and the main board The orthographic projection on the reference plane is located outside the orthographic projection of the second power module on the reference plane.
The handset according to claim 14, wherein the handset includes a camera module; the camera module is connected to the sub-board and can communicate with the sub-board, and the screen module is provided with Notch, the camera module penetrates the notch.
A mobile phone, including:

Host; and

The sub-machine can be installed in and detached from the host machine. After the sub-machine is detached from the host machine, the sub-machine can communicate with the host machine; the mobile phone can communicate with the host machine External device communication; the sub-machine includes a display screen and a main board, the display screen includes a screen module, a screen circuit board and a screen chip, and the screen module communicates with the screen chip through the screen circuit board; The screen chip is protrudingly arranged on the back side of the displayable area of the screen module; the main board covers the screen circuit board and the screen chip is in communication connection with the main board through the screen circuit board; the main board is opened There is a through hole, and the screen chip is completely or partially accommodated in the through hole.
The mobile phone according to claim 17, wherein the slave unit includes a sub board, a second power module, and a camera module, the sub board and the main board are spaced apart and communicated with each other, and the camera module is The secondary board is communicatively connected, and the second power module is located between the main board and the sub board and can supply power to the main board and the sub board; part of the structure of the screen circuit board is protrudingly provided on the A raised portion is formed on the back side of the displayable area, and the second power module is attached to the backside of the displayable area and is disposed in a misalignment with the raised portion.
The mobile phone according to claim 17, wherein the main board includes a circuit board and a plurality of electronic components, the plurality of the electronic components are respectively connected to the circuit board, and the electronic components are located on the circuit board The side facing away from the screen module.
The mobile phone according to claim 17, wherein the handset includes a fingerprint identification component, the fingerprint identification component is connected to and communicated with the main board, and the screen module covers the fingerprint identification Components.