CN112930672A

CN112930672A - Mobile terminal

Info

Publication number: CN112930672A
Application number: CN201980071286.3A
Authority: CN
Inventors: 黄茂昭
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-12-29
Filing date: 2019-05-29
Publication date: 2021-06-08
Anticipated expiration: 2039-05-29
Also published as: CN112930672B; WO2020133905A1

Abstract

The application discloses mobile terminal, including the host computer end and can demountable installation in the first sub-machine end of host computer end, first sub-machine end includes the display screen and is located flexible circuit board, circuit board and the display driver chip of the non-display surface one side of display screen, the circuit board set up in flexible circuit board deviates from one side of display screen, the display driver chip set up in on the flexible circuit board, the display driver chip warp flexible circuit board is connected to the display screen, the circuit board is equipped with just right the first through-hole of display driver chip, it all is located or the part is located to show driver chip in the first through-hole. The display driving chip penetrates through the first through hole, the display driving chip and the circuit board are not overlapped in the thickness direction of the first sub machine end, the thickness of the first sub machine end is reduced, and user experience is improved.

Description

Mobile terminal

Technical Field

The application relates to the technical field of mobile terminals.

Background

With the development of communication technology, mobile terminals such as smart phones are becoming more and more popular. Along with the function of the mobile terminal is more and more, the function devices installed inside the mobile terminal are more and more, so that the size of the mobile terminal is larger and larger, and the light and thin development of the mobile terminal is not facilitated.

Content of application

The application provides a mobile terminal, on the one hand, mobile terminal include the host computer end and can demountable installation in the first sub-machine end of host computer end, first sub-machine end includes the display screen and is located flexible circuit board, circuit board and the display driver chip of the non-display surface one side of display screen, the circuit board set up in flexible circuit board deviates from one side of display screen, display driver chip set up in on the flexible circuit board, display driver chip warp flexible circuit board is connected to the display screen, the circuit board be equipped with just right display driver chip's first through-hole, display driver chip all is located or the part is located in the first through-hole.

On the other hand, mobile terminal includes the display screen and is located flexible circuit board, circuit board and the display driver chip of the non-display surface one side of display screen, flexible circuit board range upon range of set up in flexible circuit board deviates from one side of display screen, display driver chip set up in on the flexible circuit board, display driver chip warp flexible circuit board is connected to the display screen, the circuit board is equipped with just right display driver chip's first through-hole, display driver chip wholly is located or the part is located in the first through-hole.

The beneficial effect of this application is as follows: the display driving chip penetrates through the first through hole, the display driving chip and the circuit board are not overlapped in the thickness direction of the first sub machine end, the thickness of the first sub machine end is reduced, and user experience is improved.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other obvious modifications can be obtained by those skilled in the art without inventive efforts.

Fig. 1 is a schematic diagram of a mobile terminal in a first usage state according to an embodiment of the present application.

Fig. 2 is a schematic diagram of a mobile terminal in a second usage state according to an embodiment of the present application.

Fig. 3 is a schematic diagram of a mobile terminal in a third usage state according to an embodiment of the present application.

Fig. 4 is a schematic device diagram of the mobile terminal.

Fig. 5 and 6 are schematic diagrams of the first operation mode.

Fig. 7 and 8 are schematic diagrams of the second operation mode.

Fig. 9 is a schematic diagram of the third operation mode.

Fig. 10 is a schematic diagram of the fourth operation mode.

FIG. 11 is an exploded view of the first subset end.

Fig. 12 is an elevation view of the internal structure of the first daughter end.

Fig. 13 is a schematic view of the stacking of the internal structure of the first daughter board.

Fig. 14 is a front view of the mobile terminal.

Fig. 15 is a partial structural view of the section a-a of fig. 14.

Fig. 16 is an isometric view of a mobile terminal according to a second embodiment of the present invention.

Fig. 17 is a front view of a mobile terminal according to a second embodiment of the present invention.

Fig. 18 is a partial structural view of the section B-B of fig. 17.

Fig. 19 is an isometric view of a mobile terminal according to a third embodiment of the present invention.

Fig. 20 is an exploded view of the mobile terminal.

Fig. 21 is a front view of an internal structure of the mobile terminal.

Fig. 22 is a schematic diagram of a stack of internal structures of the mobile terminal.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to fig. 3, a mobile terminal 100 according to an embodiment of the present invention includes a host 10 and a first client 20, wherein the first client 20 is detachably mounted on the host 10, in other words, the first client 20 can be mounted on the host 10, and the first client 20 can also be separated from the host 10.

Fig. 1 is a schematic diagram of a mobile terminal 100 in a first usage state according to an embodiment of the present application; fig. 2 is a schematic diagram of the mobile terminal 100 in a second usage state according to an embodiment of the present application; fig. 3 is a schematic diagram of the mobile terminal 100 in a third usage state according to an embodiment of the present application.

Referring to fig. 1, in a first usage state, the first sub-terminal 20 can be stacked on the host terminal 10, so that the mobile terminal 100 is in a stacked and combined usage state. In this use state, the mobile terminal 100 can realize functions such as charging and signal transmission. It can be understood that the application scenario of the first usage state includes, but is not limited to, when the first sub-machine end 20 is low in power, the first sub-machine end 20 is stacked on the host machine end 10 for charging; when a photo needs to be taken, the first sub-machine end 20 is stacked on the host machine end 10, the camera module on the host machine end 10 takes an image, and the first sub-machine end 20 displays the image captured by the camera module.

Referring to fig. 2, in the second use state, the first sub-device 20 and the host device 10 are separated from each other, i.e. the first sub-device 20 can be used separately from the host device 10. The first sub-machine end 20 can display images. The first sub-station 20 and the host station 10 can communicate wirelessly, so that the first sub-station 20 and the host station 10 can communicate with each other at a distance. It will be appreciated that the second usage state application scenario includes, but is not limited to, the user placing the host terminal 10 in a backpack while out, holding the first sub-terminal 20 in a small volume for making phone calls, video chatting, playing games, watching video, etc.

Referring to fig. 3, in a third use state, the first sub-machine end 20 is placed on the main machine end 10 and is supported by the main machine end 10 to keep standing on the side. Under the support of the main body 10, the first sub-body 20 can maintain a proper angle for the user to see, and the user does not need to hold by hand or fix the first sub-body 20 by external tools, which is convenient for use. In this embodiment, the combination of the first sub-unit 20 and the host unit 10 is not limited to the one shown in fig. 3. It can be understood that the application scenario of the third usage state includes, but is not limited to, the user watching a video at the desk, placing the host 10 on the desktop, placing the first sub-machine 20 on the host 10 and fixing it, and playing the video to the user by the first sub-machine 20.

Referring to fig. 4, fig. 4 is a schematic device diagram of the mobile terminal 100, where the first sub-terminal and the host terminal can communicate with each other, and specifically, the operation modes of the host terminal and the first sub-terminal include, but are not limited to, the following:

working method one

Referring to fig. 5 and 6, the host end includes a wireless modem module, a host main controller, and a host wireless transceiver module, and the first sub-end includes a sub-machine keyboard, a sub-machine display, and a sub-machine wireless transceiver module capable of communicating with the host wireless transceiver module.

In the working state, a control command output by a keyboard of the submachine is modulated by a wireless submachine transceiving module and then sent to a wireless host transceiving module, and is modulated by a wireless modem module and then sent to the air under the control of a main host controller;

the control signal from the air is modulated by the wireless transceiver module through the main machine main controller and then sent to the first sub machine end, and the control signal from the air is received by the sub machine wireless transceiver module and then displayed in the sub machine display screen through the sub machine main controller.

Working mode two

Referring to fig. 7 and 8, the host end includes a wireless modem module, a host main controller, and a host wireless transceiver module, and the first sub-end includes a sub-machine main controller, a sub-machine microphone, a sub-machine receiver, a sub-machine audio encoder, a sub-machine audio decoder, and a sub-machine wireless transceiver module capable of communicating with the host wireless transceiver module.

In the working state, the audio signal from the handset microphone is coded by the handset audio coder and then transmitted to the handset main controller, is sent out by the wireless transceiver module of the handset under the control of the handset main controller, is received by the wireless transceiver module of the host, is transmitted to the wireless modem module under the control of the host main controller, and is modulated by the wireless modem module and then is sent to the air;

the signal from air is demodulated by the wireless modulation and demodulation module and then transmitted to the main machine main controller, under the control of the main machine main controller, the signal is transmitted to the main machine wireless receiving and transmitting module, after being modulated by the main machine wireless receiving and transmitting module, the signal is coded by the main machine audio codec and then transmitted to the first sub machine end, and the audio signal demodulated by the sub machine wireless receiving and transmitting module is decoded by the sub machine audio decoder and then output by the sub machine earphone under the control of the sub machine main controller.

The audio encoder of the handset can be an independent hardware unit, can also be integrated in a microphone, can also be integrated in a main controller of the handset, and can be an audio codec with an audio decoding function in terms of the function;

the audio decoder of the handset may be a separate hardware unit, may be integrated in the handset, may be integrated in the main controller of the handset, and may be an audio codec having an audio coding function in terms of its function.

Working mode three

Referring to fig. 9, the host end includes a wireless modem module, a host main controller, and a host wireless transceiver module, the first sub-end includes a sub-machine main controller and a sub-machine wireless transceiver module capable of communicating with the host wireless transceiver module, and the first sub-end can access the communication network through the host end.

Working mode four

Referring to fig. 10, the host end includes a first host wireless transceiver module, a host main controller, and a second host wireless transceiver module, the first sub-end includes a sub-machine main controller and a first sub-machine wireless transceiver module, the first sub-machine wireless transceiver module can communicate with the first host wireless transceiver module, and the second host wireless transceiver module can communicate with the base station.

Referring to fig. 11, 12 and 13, fig. 11 is an exploded view of the first sub-module 20, i.e. an exploded view of the structure of the first sub-module 20, fig. 12 is a front view of the internal structure of the first sub-module 20, and fig. 13 is a stacked view of the internal structure of the first sub-module 20. In this embodiment, the first terminal 20 includes the display screen 22, the flexible circuit board 24 located on one side of the non-display surface 22b of the display screen 22, the circuit board, and the display driving chip 242, the circuit board is disposed on one side of the flexible circuit board 24 away from the display screen 22, the display driving chip 242 is disposed on the flexible circuit board 24, the display driving chip 242 is connected to the display screen 22 through the flexible circuit board 24, the circuit board is provided with a first through hole 2420 facing the display driving chip 242, and the display driving chip 242 is entirely located or partially located in the first through hole 2420.

In this embodiment, the Display 22 may be a Liquid Crystal Display (TFT-LCD) or an Organic Light-Emitting Diode (OLED) Display. Further, the display screen 22 may be a display screen with only a display function, or may be a display screen integrated with a touch function. In one embodiment, the display area of the display surface 22a occupies no less than 90% of the area of the display surface 22a, in other words, the screen occupation ratio of the mobile terminal 100 is greater than or equal to 90%, such as 95%, 98%. Specifically, the screen occupation ratio is a relative ratio for representing the area of the front panel of the first sub terminal 20 and is a parameter for easily obtaining visual appearance of the mobile terminal 100 in terms of design.

Referring to fig. 13, the display screen 22 includes a display surface 22a and a non-display surface 22b, which are disposed opposite to each other, the display surface 22a is a surface of the display screen 22 on a side for displaying an image, the display surface 22a faces the outside of the first terminal end 20, the non-display surface 22b does not display an image, and the non-display surface 22b faces the inside of the first terminal end 20.

Referring to fig. 11, the flexible printed circuit 24 is connected to the edge of the display 22, and specifically, the flexible printed circuit 24 is led out from one end of the display 22 in the length direction L, bent and then stacked on the non-display surface 22 b. The flexible circuit board 24 may be provided with a display driving chip 242 thereon, and the flexible circuit board 24 may be connected to the main board 26, thereby controlling the display screen 22 to display an image. In one embodiment, the display driver chip 242 is fixed on a side of the flexible circuit board 24 facing away from the display screen 22, and the pins of the display driver chip 242 are plugged or soldered on the corresponding contacts of the flexible circuit board 24.

Referring to fig. 11 and 12, the circuit board is disposed on a side of the flexible circuit board 24 away from the display screen 22, and the display driving chip 242 is disposed in the first through hole 2420 completely or partially. Specifically, the first through hole 2420 is a hole penetrating through the circuit board, that is, the first through hole 2420 is a hollowed part on the circuit board. The display driving chip 242 may entirely or partially pass through the first through hole 2420, in one embodiment, the thickness of the display driving chip 242 is greater than the thickness of the circuit board, and the display driving chip 242 entirely passes through the first through hole 2420, in another embodiment, the thickness of the display driving chip 242 is less than the thickness of the circuit board, and the display driving chip 242 partially passes through the first through hole 2420. The first through hole 2420 enables the circuit board and the display driving chip 242 to be partially overlapped in the thickness direction of the first sub-terminal 20, so that the thickness dimension of the first sub-terminal 20 is reduced, and the light and thin design of the first sub-terminal 20 is facilitated.

Referring to fig. 11, 12 and 13, the circuit board includes a main board 26 and a sub board 28, the main board 26 is provided with a processor 262, the first terminal 20 includes a battery 210, the sub board 28, the battery 210 and the main board 26 are sequentially arranged in a length direction L of the display screen 22, and a first through hole 2420 is disposed on the main board 26. Specifically, the main board 26 is a circuit board integrated with functional devices, such as a processor 262, and the processor 262 is a chip responsible for operations, processing, and other functions of the first sub-board 20. The sub-board 28 is a circuit board integrated with certain functional devices, the sub-board 28 is used for assisting the main board 26, and the main board 26 is disposed separately from the sub-board 28 to separate the functional devices of the first daughter terminal 20. The battery 210 is used to power the functional devices on the display screen 22, the main board 26, and the sub-board 28.

In this embodiment, the first through hole 2420 is a hole penetrating through the main board 26, that is, the first through hole 2420 is a hollowed part on the main board 26. The display driving chip 242 may fully or partially pass through the first through hole 2420, in one embodiment, the thickness of the display driving chip 242 is greater than that of the main board 26, and the thickness of the display driving chip 242 fully passes through the first through hole 2420, in another embodiment, the thickness of the display driving chip 242 is less than that of the main board 26, and the display driving chip 242 partially passes through the first through hole 2420. The first through hole 2420 enables the main board 26 and the display driving chip 242 to partially overlap in the thickness direction of the first sub-board end 20, so as to reduce the thickness dimension of the first sub-board end 20, which is beneficial to the light and thin design of the first sub-board end 20.

Referring to fig. 12 and 13, in the present embodiment, in the length direction L of the display screen 22, the size of the main board 26 is larger than that of the sub-board 28, and the size of the flexible circuit board 24 is larger than that of the sub-board 28, that is, the size of the main board 26 and the size of the flexible circuit board 24 are both larger than that of the sub-board 28. In the length direction L of the display screen 22, the sub-board 28, the battery 210, and the main board 26 are sequentially arranged, and the main board 26 is stacked on the flexible circuit board 24 on the side away from the display screen 22, in other words, in the length direction L of the display screen 22, the main board 26 and the flexible circuit board 24 with larger size are located on the same side of the battery 210, and the sub-board 28 with smaller size is located on the other side of the battery 210. The main board 26 and the flexible circuit board 24 are at least partially overlapped, in the length direction L of the display screen 22, the total space occupied by the main board 26 and the flexible circuit board 24 is the size of the main board 26 or the flexible circuit board 24, the size of the main board 26 and the size of the flexible circuit board 24 are both larger than the size of the secondary board 28, the space occupied by the secondary board 28 is small, the total space occupied by the main board 26, the flexible circuit board 24 and the secondary board 28 in the length direction L of the display screen 22 is minimized, so that the space for placing the battery 210 is increased, the size of the battery 210 is increased, the capacity of the battery 210 is correspondingly increased, and the standby time of the first sub-terminal 20 is favorably prolonged.

Referring to fig. 11 and 12, in the present embodiment, the first sub-terminal 20 includes a sub-telephone 23, the sub-telephone 23 is located on the non-display surface 22b side of the display 22, and the sub-board 28 and the sub-telephone 23 are located on the same side of the battery 210 in the length direction L of the display 22. Specifically, the handset 23 is used for making sound, and when the user makes and receives a call, one end of the handset 23 of the first handset end 20 is close to the ear to transmit sound information to the user. In one embodiment, the handset 23 is made of piezoelectric ceramic to generate sound by vibration, and the display 22 does not need to be perforated, which is beneficial to improving the screen occupation ratio. In this embodiment, when the end of the handset receiver 23 is the upper end of the first handset end 20 and the end opposite to the upper end is the lower end, the sub-board 28 is located at the upper end, the main board 26 is located at the lower end, and the battery 210 is located between the upper end and the lower end.

Referring to fig. 11, in the present embodiment, the auxiliary plate 28 is provided with an avoiding hole 230, and all or part of the handset 23 is located in the avoiding hole 230. Specifically, the avoiding hole 230 is a hollow part of the secondary plate 28, and the receiver 23 passes through the secondary plate 28 through the avoiding hole 230. The avoiding hole 230 enables the sub-plate 28 and the handset receiver 23 to partially overlap in the thickness direction of the first sub-terminal 20, so as to reduce the thickness dimension of the first sub-terminal 20, thereby facilitating the light and thin design of the first sub-terminal 20.

Referring to fig. 11, in the present embodiment, the first sub-machine end 20 includes a middle frame 27 and a rear cover 29, the display screen 22 and the rear cover 29 are located on two opposite sides of the middle frame 27, and in one embodiment, the display screen 22 and the rear cover 29 are fixedly connected to the middle frame 27 by means of adhesion or the like. The rear cover 29 may be made of metal, glass, ceramic, plastic, etc. The middle frame 27 includes a middle plate 272 and a frame 274, the frame 274 surrounds the edge of the middle plate 272, and the frame 274 forms the appearance of the first sub-frame end 20. The frame 274 may be made of a material having a high hardness and strength, such as a metal or metal alloy, so that the frame 274 is not easily damaged when the first sub-end 20 is dropped. The middle plate 272 may also be made of a metal or metal alloy material, the middle plate 272 is used for supporting the display screen 22 to prevent the display screen 22 with lower strength from being broken, and the middle plate 272 is also used for carrying devices inside the first terminal end 20. In one embodiment, the middle plate 272 and the frame 274 are fixedly connected by welding, and in other embodiments, the middle plate 272 and the frame 274 may be connected by fasteners or integrally formed.

Referring to fig. 11, in the present embodiment, the main board 26, the sub-board 28, the battery 210 and the display screen 22 are fixed on the middle board 272, and the main board 26, the sub-board 28 and the battery 210 are located on a side of the middle board 272 away from the display screen 22. Specifically, the main board 26 and the sub-board 28 are fixed on the middle plate 272 by fasteners, the battery 210 may be adhered to the middle plate 272, the middle plate 272 separates the display screen 22 from the main board 26, the sub-board 28 and the battery 210, on one hand, the middle plate 272 is used for supporting the display screen 22 and enhancing the strength of the display screen 22, and on the other hand, the middle plate 272 is used for bearing the main board 26, the sub-board 28 and the battery 210.

With continued reference to fig. 11, the flexible circuit board 24 is disposed between the display screen 22 and the middle plate 272. Specifically, the flexible circuit board 24 is led out from one end of the display screen 22, bent, and then stacked on the non-display surface 22b of the display screen 22. In this embodiment, the flexible circuit board 24 is located at an end of the display screen 22 corresponding to the main board 26. In one embodiment, the middle plate 272 is provided with an opening, and the flexible circuit board 24 partially extends to the side of the main board 26 through the opening, and is connected to the main board 26 through a board-to-board connector, so that the main board 26 is connected to the display screen 22.

Referring to fig. 11, the middle plate 272 has a mounting groove formed by recessing from a surface of the middle plate 272 on a side away from the display screen 22, and the main board 26 is received in the mounting groove. Specifically, the middle plate 272 has a first mounting groove 2722, a second mounting groove 2724, and a third mounting groove 2726 that are disposed at an interval, and the main plate 26, the battery 210, and the sub-plate 28 are sequentially fixed in the first mounting groove 2722, the second mounting groove 2724, and the third mounting groove 2726. The main plate 26 is fixed in the first mounting groove 2722 by a fastener, the battery 210 is adhered in the second mounting groove 2724, and the sub-plate 28 is fixed in the third mounting groove 2726 by a fastener. The main board 26, the battery 210 and the auxiliary board 28 are simple and firm in mounting mode and convenient to detach, and production efficiency and maintenance efficiency are improved.

Referring to fig. 11 and 12, in the present embodiment, the middle plate 272 is provided with a second through hole 2422 facing the display driver chip 242, and the display driver chip 242 passes through the middle plate 272 through the second through hole 2422. Specifically, the display driving chip 242 sequentially passes through the second through hole 2422 and the first through hole 2420, wherein the display driving chip 242 completely passes through the second through hole 2422 and completely or partially passes through the first through hole 2420. The second through hole 2422 is used for avoiding the display driving chip 242, so that the display driving chip 242 can pass through the middle plate 272 and extend into the first through hole 2420, and the second through hole 2422 enables the middle plate 272 and the display driving chip 242 to be partially overlapped in the thickness direction of the first sub-terminal 20, so that the thickness dimension of the first sub-terminal 20 is reduced, and the light and thin design of the first sub-terminal 20 is facilitated.

Referring to fig. 14 and 15, fig. 14 is a front view of the mobile terminal 100, and fig. 15 is a partial structure diagram of a section a-a of fig. 14. In this embodiment, the main unit 10 is provided with a first receiving slot 102, the first sub-unit 20 can be detachably received in the first receiving slot 102 entirely or partially, the first receiving slot 102 includes a slot sidewall 102a, the first sub-unit 20 includes a peripheral surface 102b, and when the first sub-unit 20 is received in the first receiving slot 102, the peripheral surface 102b abuts against the slot sidewall 102 a. Specifically, the first receiving groove 102 is formed by a surface of the main body 10 being recessed into the main body 10, and when the first sub-body 20 is received in the first receiving groove 102, the display surface 22a of the first sub-body 20 may face the bottom wall 102c of the first receiving groove 102, or the back surface of the first sub-body may face the bottom wall 102c of the first receiving groove 102. In one embodiment, the first sub-machine end 20 can be partially accommodated in the first accommodating groove 102, and the peripheral surface 102b of the first sub-machine end 20 is partially attached to the groove sidewall 102a of the first accommodating groove 102, and in another embodiment, the first sub-machine end 20 can be entirely accommodated in the first accommodating groove 102, and the peripheral surface 102b of the first sub-machine end 20 is entirely attached to the groove sidewall 102a of the first accommodating groove 102. The first sub-terminal 20 is partially or completely accommodated in the first accommodating groove 102, so that the first sub-terminal 20 can be protected, the first sub-terminal 20 is prevented from being collided, and the overall thickness of the mobile terminal 100 is reduced.

Referring to fig. 15, in the present embodiment, the thickness of the first terminal end 20 is greater than or equal to 3mm and less than or equal to 4 mm; when the first sub-machine end 20 is accommodated in the first accommodating slot 102, the maximum thickness of the mobile terminal 100 is greater than or equal to 7mm and less than or equal to 10 mm. The overall thickness of the first terminal 20 and the mobile terminal 100 is small, which is beneficial to the light and thin design.

In one embodiment, the main unit terminal 10 is provided with a main unit telephone receiver and a main unit microphone, and the first sub-unit terminal 20 is provided with a sub-unit telephone receiver 23 and a sub-unit microphone. The user can make and receive calls by using the first sub-machine end 20 alone, or can make and receive calls by installing the first sub-machine end 20 on the host machine end 10.

Referring to fig. 16 to 18, fig. 16 is an isometric view of a mobile terminal 200 according to a second embodiment of the present invention, fig. 17 is a front view of the mobile terminal 200 according to the second embodiment of the present invention, and fig. 18 is a partial structural schematic view of a section B-B of fig. 17. The mobile terminal 200 according to the second embodiment of the present invention is substantially the same as the first embodiment, and the difference is that the mobile terminal 200 includes the second terminal 30, the second receiving slot 104 is disposed on a side of the main unit 10 away from the first receiving slot 102, and the second terminal 30 can be detachably received in the second receiving slot 104 in whole or in part.

In this embodiment, the second client 30 may be the same electronic device as the first client 20, that is, the second client 30 may carry the same electronic device as the first client 20, for example, the second client 30 may also have a display 22, and the like, and the communication method between the second client 30 and the host 10 may also be the same as the communication method between the first client 20 and the host 10, and in an embodiment, the first client 20 and the second client 30 may also communicate with each other.

Referring to fig. 16 and 18, the first sub-device 20 is detachably mounted on the host device 10, in other words, the first sub-device 20 can be mounted on the host device 10, and the first sub-device 20 can be separated from the host device 10. When the first sub-machine end 20 is accommodated in the first accommodating groove 102 and the second sub-machine end 30 is accommodated in the second accommodating groove 104, the first sub-machine end 20 and the second sub-machine end 30 are respectively located on two opposite sides of the main machine end 10.

Specifically, referring to fig. 18, the second receiving groove 104 is formed by the surface of the main body 10 being recessed into the main body 10, and when the second sub-body 30 is received in the second receiving groove 104, the display surface 22a of the second sub-body 30 may face the bottom wall 104c of the second receiving groove 104, or the back surface of the second sub-body may face the bottom wall 104c of the second receiving groove 104. In one embodiment, the second sub-machine end 30 can be partially accommodated in the second accommodating groove 104, and a peripheral surface 104b of the second sub-machine end 30 is partially attached to the groove sidewall 104a of the second accommodating groove 104, and in another embodiment, the second sub-machine end 30 can be entirely accommodated in the second accommodating groove 104, and the peripheral surface 104b of the second sub-machine end 30 is entirely attached to the groove sidewall 104a of the second accommodating groove 104. The second sub-terminal 30 is partially or completely accommodated in the second accommodating groove 104, so that the second sub-terminal 30 can be protected, the second sub-terminal 30 is prevented from being collided, and the overall thickness of the mobile terminal 200 is reduced.

Referring to fig. 19, a mobile terminal 300 according to a third embodiment of the present invention is provided. The mobile terminal 300 provided by the third embodiment of the present invention can directly communicate with the base station, thereby performing data exchange. In fact, the mobile terminal 300 provided in the third embodiment of the present invention may be at least partially identical to the mobile terminal 300 provided in the first and second embodiments in structure and function. Specifically, referring to fig. 20 to 22, fig. 20 is an exploded schematic view of the mobile terminal 300, that is, an exploded schematic view of the structure of the mobile terminal 300, fig. 21 is a front view of the internal structure of the mobile terminal 300, and fig. 22 is a stacked schematic view of the internal structure of the mobile terminal 300. In this embodiment, the mobile terminal 300 includes the display screen 22, the flexible circuit board 24, the circuit board, and the display driving chip 242, which are located on the non-display surface 22b side of the display screen 22, the circuit board is disposed on a side of the flexible circuit board 24 away from the display screen 22, the display driving chip 242 is disposed on the flexible circuit board 24, the display driving chip 242 is connected to the display screen 22 through the flexible circuit board 24, the circuit board is provided with a first through hole 2420 facing the display driving chip 242, and the display driving chip 242 is located in the first through hole 2420 entirely or partially.

In this embodiment, the Display 22 may be a Liquid Crystal Display (TFT-LCD) 22 or an Organic Light-Emitting Diode (OLED) Display 22. Further, the display screen 22 may be a display screen 22 having only a display function, or may be a display screen 22 integrated with a touch function. In one embodiment, the display area of the display surface 22a occupies no less than 90% of the area of the display surface 22a, in other words, the screen occupation ratio of the mobile terminal 300 is greater than or equal to 90%, such as 95%, 98%. Specifically, the screen occupation ratio is a relative ratio for representing the area of the screen and the front panel of the mobile terminal 300, which is a parameter for easily obtaining visual appearance of the mobile terminal 300 in terms of design.

Referring to fig. 22, the display 22 includes a display surface 22a and a non-display surface 22b that are disposed opposite to each other, the display surface 22a is a surface of the display 22 on a side for displaying an image, the display surface 22a faces the outside of the mobile terminal 300, the non-display surface 22b does not display an image, and the non-display surface 22b faces the inside of the mobile terminal 300.

Referring to fig. 20, the flexible printed circuit 24 is connected to the edge of the display 22, and specifically, the flexible printed circuit 24 is led out from one end of the display 22 in the length direction L, bent and then stacked on the non-display surface 22 b. The flexible circuit board 24 may be provided with a display driving chip 242 thereon, and the flexible circuit board 24 may be connected to the main board 26, thereby controlling the display screen 22 to display an image. In one embodiment, the display driver chip 242 is fixed on a side of the flexible circuit board 24 facing away from the display screen 22, and the pins of the display driver chip 242 are plugged or soldered on the corresponding contacts of the flexible circuit board 24.

Referring to fig. 20 and 21, the circuit board is disposed on a side of the flexible circuit board 24 away from the display screen 22, and the display driving chip 242 is disposed in the first through hole 2420 completely or partially. Specifically, the first through hole 2420 is a hole penetrating through the circuit board, that is, the first through hole 2420 is a hollowed part on the circuit board. The display driving chip 242 may entirely or partially pass through the first through hole 2420, in one embodiment, the thickness of the display driving chip 242 is greater than the thickness of the circuit board, and the display driving chip 242 entirely passes through the first through hole 2420, in another embodiment, the thickness of the display driving chip 242 is less than the thickness of the circuit board, and the display driving chip 242 partially passes through the first through hole 2420. The first through hole 2420 enables the circuit board and the display driving chip 242 to be partially overlapped in the thickness direction of the mobile terminal 300, so that the thickness dimension of the mobile terminal 300 is reduced, and the light and thin design of the mobile terminal 300 is facilitated.

Referring to fig. 20, 21 and 22, the circuit board includes a main board 26 and a sub board 28, the main board 26 is provided with a processor 262, the mobile terminal 300 includes a battery 210, the sub board 28, the battery 210 and the main board 26 are sequentially arranged in a length direction L of the display screen 22, and a first through hole 2420 is provided on the main board 26. Specifically, the main board 26 is a circuit board integrated with functional devices, such as a processor 262, and the processor 262 is a chip responsible for functions of operation, processing, and the like of the mobile terminal 300. The sub board 28 is a circuit board integrated with certain functional devices, the sub board 28 is used to assist the main board 26, and the main board 26 is provided separately from the sub board 28 to provide the functional devices of the mobile terminal 300 separately. The battery 210 is used to power the functional devices on the display screen 22, the main board 26, and the sub-board 28.

In this embodiment, the first through hole 2420 is a hole penetrating through the main board 26, that is, the first through hole 2420 is a hollowed part on the main board 26. The display driving chip 242 may fully or partially pass through the first through hole 2420, in one embodiment, the thickness of the display driving chip 242 is greater than that of the main board 26, and the thickness of the display driving chip 242 fully passes through the first through hole 2420, in another embodiment, the thickness of the display driving chip 242 is less than that of the main board 26, and the display driving chip 242 partially passes through the first through hole 2420. The first through hole 2420 enables the main board 26 and the display driving chip 242 to be partially overlapped in the thickness direction of the mobile terminal 300, so that the thickness dimension of the mobile terminal 300 is reduced, and the light and thin design of the mobile terminal 300 is facilitated.

Referring to fig. 21 and 22, in the present embodiment, in the length direction L of the display screen 22, the size of the main board 26 is larger than that of the sub-board 28, and the size of the flexible circuit board 24 is larger than that of the sub-board 28, that is, the size of the main board 26 and the size of the flexible circuit board 24 are both larger than that of the sub-board 28. In the length direction L of the display screen 22, the sub-board 28, the battery 210, and the main board 26 are sequentially arranged, and the main board 26 is stacked on the flexible circuit board 24 on the side away from the display screen 22, in other words, in the length direction L of the display screen 22, the main board 26 and the flexible circuit board 24 with larger size are located on the same side of the battery 210, and the sub-board 28 with smaller size is located on the other side of the battery 210. The main board 26 and the flexible circuit board 24 are at least partially overlapped, in the length direction L of the display screen 22, the total space occupied by the main board 26 and the flexible circuit board 24 is the size of the main board 26 or the flexible circuit board 24, the size of the main board 26 and the size of the flexible circuit board 24 are both larger than the size of the auxiliary board 28, the space occupied by the auxiliary board 28 is small, the total space occupied by the main board 26, the flexible circuit board 24 and the auxiliary board 28 in the length direction L of the display screen 22 is minimized, thereby the space for placing the battery 210 is increased, the size of the battery 210 is increased, the capacity of the battery 210 is correspondingly increased, and the standby time of the mobile terminal 300 is favorably prolonged.

Referring to fig. 20 and 21, in the embodiment, the mobile terminal 300 includes a receiver, the receiver is located on the non-display surface 22b side of the display 22, and the sub-board 28 and the receiver are located on the same side of the battery 210 in the length direction L of the display 22. Specifically, the receiver is used for emitting sound, and when the user makes and receives a call, one end of the receiver of the mobile terminal 300 is close to the ear to transmit sound information to the user. In one embodiment, the receiver is made of piezoelectric ceramic to generate sound by vibration, and the display screen 22 does not need to be perforated, which is beneficial to improving the screen occupation ratio. In this embodiment, when the end where the receiver is located is the upper end of the mobile terminal 300, and the end opposite to the upper end is the lower end, the sub-board 28 is located at the upper end, the main board 26 is located at the lower end, and the battery 210 is located between the upper end and the lower end.

Referring to fig. 20, in the present embodiment, the auxiliary plate 28 is provided with an avoiding hole 230, and all or part of the receivers are located in the avoiding hole 230. Specifically, the avoiding hole 230 is a hollow portion of the secondary plate 28, and the receiver passes through the secondary plate 28 through the avoiding hole 230. The avoiding hole 230 partially overlaps the sub-plate 28 and the receiver in the thickness direction of the mobile terminal 300, so that the thickness dimension of the mobile terminal 300 is reduced, and the light and thin design of the mobile terminal 300 is facilitated.

In this embodiment, the thickness of the mobile terminal 300 is greater than or equal to 3mm and less than or equal to 4 mm. The mobile terminal 300 and the mobile terminal 300 have a small thickness, which is beneficial to a light and thin design.

While the present invention has been described with reference to a few preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

The utility model provides a mobile terminal, its characterized in that, including the host computer end and can demountable installation in the first sub-machine end of host computer end, first sub-machine end includes the display screen and is located flexible circuit board, circuit board and the display driver chip of the non-display surface one side of display screen, the circuit board set up in flexible circuit board deviates from one side of display screen, the display driver chip set up in on the flexible circuit board, the display driver chip warp flexible circuit board is connected to the display screen, the circuit board is equipped with just right the first through-hole of display driver chip, the display driver chip is whole to be located or the part is located in the first through-hole.
The mobile terminal of claim 1, wherein the circuit board comprises a main board and a sub-board, the main board is provided with a processor, the first sub-terminal comprises a battery, the sub-board, the battery and the main board are sequentially arranged in a length direction of the display screen, and the first through hole is disposed on the main board.
The mobile terminal of claim 2, wherein the size of the main board is larger than the size of the sub board, and the size of the flexible circuit board is larger than the size of the sub board.
The mobile terminal of claim 2, wherein the first sub-terminal comprises a sub-telephone receiver, the sub-telephone receiver is located on a non-display side of the display screen, and the sub-board and the sub-telephone receiver are located on a same side of the battery in a length direction of the display screen.
The mobile terminal of claim 2, wherein the first subset end comprises a midplane, the motherboard and the display screen are fixed to the midplane, and the motherboard is located on a side of the midplane facing away from the display screen.
The mobile terminal of claim 5, wherein the flexible circuit board is located between the display screen and the midplane.
The mobile terminal of claim 6, wherein the middle plate is provided with a second through hole facing the display driver chip, and the display driver chip passes through the middle plate through the second through hole.
The mobile terminal of claim 5, wherein the middle plate is provided with a mounting groove, the mounting groove is formed by recessing from a side surface of the middle plate facing away from the display screen, and the main board is accommodated in the mounting groove.
The mobile terminal according to any of claims 1 to 8,

the host end comprises a wireless modulation and demodulation module, a host main controller and a host wireless transceiving module;

the first sub machine end comprises a sub machine keyboard, a sub machine display and a sub machine wireless transceiving module which can communicate with the host machine wireless transceiving module;

in a working state, a control command output by the keyboard of the submachine is modulated by the wireless submachine transceiving module and then sent to the wireless host transceiving module, and is modulated by the wireless modem module and then sent to the air under the control of the main host controller;

and a control signal from the air is modulated by the wireless transceiver module through the main machine main controller and then sent to the first sub machine end, and the control signal is received by the sub machine wireless transceiver module and then displayed in the sub machine display screen through the sub machine main controller.
The mobile terminal according to any of claims 1 to 8,

the host end comprises a wireless modulation and demodulation module, a host main controller and a host wireless transceiving module;

the first sub machine end comprises a sub machine main controller, a sub machine microphone, a sub machine receiver, a sub machine audio encoder, a sub machine audio decoder and a sub machine wireless transceiving module which can be communicated with the main machine wireless transceiving module;

in a working state, an audio signal from the handset microphone is coded by the handset audio coder and then transmitted to the handset main controller, is sent out by the handset wireless transceiver module under the control of the handset main controller, is received by the host wireless transceiver module, is transmitted to the wireless modem module under the control of the host main controller, and is sent to the air after being modulated by the wireless modem module;

the signal from the air is transmitted to the host main controller after being demodulated by the wireless modulation and demodulation module, is transmitted to the host wireless transceiver module under the control of the host main controller, is transmitted to the first terminal after being modulated by the host wireless transceiver module and encoded by the host audio codec, and is output by the sub-machine earphone after being decoded by the sub-machine audio decoder under the control of the sub-machine main controller.
The mobile terminal according to any of claims 1 to 8,

the host end comprises a wireless modulation and demodulation module, a host main controller and a host wireless transceiving module;

the first sub machine end comprises a sub machine main controller and a sub machine wireless transceiver module which can communicate with the host machine wireless transceiver module;

the first sub-machine end is capable of accessing a communication network through the host end.
The mobile terminal according to any of claims 1 to 8,

the host end comprises a first host wireless transceiver module, a host main controller and a second host wireless transceiver module;

the first sub machine end comprises a sub machine main controller and a first sub machine wireless transceiver module, and the first sub machine wireless transceiver module can be communicated with the first host machine wireless transceiver module;

the second host wireless transceiver module is capable of communicating with a base station.
The mobile terminal of claim 1, wherein the host end is provided with a first receiving slot, the first sub end can be detachably received in the first receiving slot, the first receiving slot comprises a slot sidewall, and the first sub end comprises a peripheral surface, and when the first sub end is received in the first receiving slot, the peripheral surface abuts against the slot sidewall.
The mobile terminal according to claim 13, wherein the mobile terminal comprises a second sub-terminal, a second receiving slot is disposed on a side of the main terminal away from the first receiving slot, and the second sub-terminal is detachably received in the second receiving slot.
The mobile terminal of claim 13, wherein the thickness of the first subset end is greater than or equal to 3mm and less than or equal to 4 mm; when the first sub-machine end is accommodated in the first accommodating groove, the maximum thickness of the mobile terminal is greater than or equal to 7mm and less than or equal to 10 mm.
The utility model provides a mobile terminal, its characterized in that, includes the display screen and is located flexible circuit board, circuit board and the display driver chip of non-display surface one side of display screen, flexible circuit board range upon range of set up in flexible circuit board deviates from one side of display screen, the display driver chip set up in on the flexible circuit board, the display driver chip warp flexible circuit board is connected to the display screen, the circuit board be equipped with just right the first through-hole of display driver chip, the display driver chip all is located or the part is located in the first through-hole.
The mobile terminal according to claim 16, wherein the circuit board comprises a main board and a sub-board, the main board is provided with a processor, the mobile terminal comprises a battery, the sub-board, the battery and the main board are sequentially arranged in a length direction of the display screen, and the first through hole is disposed on the main board.
The mobile terminal of claim 17, wherein the size of the main board is larger than the size of the sub board, and the size of the flexible circuit board is larger than the size of the sub board.
The mobile terminal of claim 17, wherein the mobile terminal comprises a receiver, wherein the receiver is located on a side of the non-display surface of the display screen, and wherein the sub-board and the receiver are located on a same side of the battery in a length direction of the display screen.
The mobile terminal of claim 16, wherein the thickness of the mobile terminal is greater than or equal to 3mm and less than or equal to 4 mm.