CN112261185B - Mobile terminal and middle frame thereof - Google Patents
Mobile terminal and middle frame thereof Download PDFInfo
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- CN112261185B CN112261185B CN202011136074.XA CN202011136074A CN112261185B CN 112261185 B CN112261185 B CN 112261185B CN 202011136074 A CN202011136074 A CN 202011136074A CN 112261185 B CN112261185 B CN 112261185B
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- mobile terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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Abstract
The application relates to a mobile terminal and center thereof, this mobile terminal include center and display screen, and the display screen bonds through glue and is fixed in the center, and wherein, one side that the center is used for installing the display screen is provided with some glue face, and some glue face includes cambered surface portion and plane portion, and plane portion borders on in the marginal of the cambered surface portion that is close to the mobile terminal inboard, and the part of cambered surface portion is sunken towards keeping away from plane portion place one side. This application mobile terminal and center sets up the face of gluing to including cambered surface portion and plane portion, and the part of cambered surface portion is sunken towards keeping away from plane portion place one side, and the face of gluing of this kind can satisfy more volume of gluing coating needs to promote the bonding stability of center and display screen, and utilize the part of arc portion towards keeping away from the sunken mode of plane portion place one side, reduce the black border width at display screen edge as far as possible, with the display effect who promotes the display screen.
Description
Technical Field
The present application relates to the field of mobile terminal technologies, and in particular, to a mobile terminal and a middle frame thereof.
Background
With the popularization of mobile terminals such as smart phones and tablet computers, users pay more and more attention to the use experience of the mobile terminals, for example, in terms of the display effect of the mobile terminals, the smaller the black edge is, the larger the screen occupation ratio is, and thus the users can obtain better visual experience.
However, in the existing mobile terminal, after the display screen is bonded to the middle frame, the black edge is narrowed to reach the limit, and the glue dispensing area is reduced to further narrow the black edge, which may cause the glue dispensing area to be too narrow and easily cause glue breaking or glue dispensing amount to be too low, thereby affecting the combination stability of the display screen and the middle frame.
Disclosure of Invention
The embodiment of the application provides a mobile terminal and a middle frame thereof, which can reduce black edges as much as possible under the condition of maintaining structural stability so as to improve the display effect.
On the one hand, this application provides a mobile terminal, including center and display screen, the display screen bonds through glue and is fixed in the center, wherein, one side that the center is used for installing the display screen is provided with some and glues the face, some glue includes cambered surface portion and plane portion, plane portion border on being close to of cambered surface portion the inboard edge of mobile terminal, the part of cambered surface portion is sunken towards keeping away from plane portion place one side.
In one embodiment, a support platform is arranged on the arc surface portion or the plane portion of the middle frame, the support platform protrudes out of the plane where the plane portion is located, and is used for supporting the display screen, so that the display screen and the plane portion are arranged at intervals.
In one embodiment, the support platform is 0.2mm to 0.5mm higher than the plane of the plane part.
In one embodiment, the middle frame comprises an outer frame structural member and a plastic part, wherein the plastic part is embedded in the inner side of the outer frame structural member through injection molding.
In one embodiment, the outer frame structure is made of metal or glass.
In one embodiment, the mobile terminal comprises a back shell, the back shell is connected with the middle frame, the display screen comprises a display panel and a glass panel, and the display panel is arranged on one surface of the glass panel, which faces away from the back shell.
On the other hand, this application provides a center, the center is provided with some glue faces, some glue faces are used for coating glue in order to bond the display screen, some glue faces include cambered surface portion and planoconvex portion, plane portion border on cambered surface portion be close to the inboard edge of mobile terminal, cambered surface portion's part is sunken towards keeping away from plane portion place one side.
In one embodiment, the middle frame is provided with a supporting platform on the arc surface part or the plane part, and the supporting platform protrudes out of the plane where the plane part is located and is used for supporting the display screen, so that the display screen and the plane part are arranged at intervals.
In one embodiment, the support platform is 0.2mm to 0.5mm higher than the plane of the plane part.
In one embodiment, the middle frame comprises an outer frame structural member and a plastic part, wherein the plastic part is embedded in the inner side of the outer frame structural member through injection molding.
In one embodiment, the outer frame structure is made of metal or glass.
The application discloses mobile terminal and center thereof, the some glue face of this center includes cambered surface portion and plane portion, and cambered surface portion is sunken towards keeping away from plane portion place one side, and more gluey volume coating needs can be satisfied to this kind of some glue face to promote the bonding stability of center and display screen, and utilize cambered surface portion towards keeping away from the sunken mode in plane portion place one side, reduce the black border width at display screen edge as far as possible, with the display effect who promotes the display screen.
Drawings
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 embodiments or the prior art descriptions will be briefly described below, 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.
Fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment;
fig. 2 is a schematic cross-sectional structure diagram of a mobile terminal according to an embodiment;
fig. 3 is a schematic partial cross-sectional structure diagram of a middle frame of a mobile terminal according to an embodiment;
fig. 4 is a partial structural diagram of the mobile terminal shown in fig. 2;
fig. 5 is a schematic structural diagram of a mobile terminal according to an embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As used herein, a "mobile terminal" refers to a device capable of receiving and/or transmitting communication signals including, but not limited to, a device connected via any one or more of the following connections:
(1) via wireline connections, such as via Public Switched Telephone Network (PSTN), Digital Subscriber Line (DSL), Digital cable, direct cable connections;
(2) via a Wireless interface such as a cellular Network, a Wireless Local Area Network (WLAN), a digital television Network such as a DVB-H Network, a satellite Network, an AM-FM broadcast transmitter.
A terminal device arranged to communicate over a wireless interface may be referred to as a "mobile terminal". Examples of mobile terminals include, but are not limited to, the following electronic devices:
(1) satellite or cellular telephones;
(2) personal Communications Systems (PCS) terminals that may combine cellular radiotelephones with data processing, facsimile, and data Communications capabilities;
(3) radiotelephones, pagers, internet/intranet access, Web browsers, notebooks, calendars, Personal Digital Assistants (PDAs) equipped with Global Positioning System (GPS) receivers;
(4) a conventional laptop and/or palmtop receiver;
(5) conventional laptop and/or palmtop radiotelephone transceivers, and the like.
Referring to fig. 1 and 2, a mobile terminal 100 according to an embodiment of the present invention includes a middle frame 110 and a display screen 120 connected to the middle frame 110, wherein the display screen 120 is operable to provide a display function for the mobile terminal 100. Glue is adopted for bonding between the display screen 120 and the middle frame 110, before the display screen 120 is assembled to the middle frame 110, machining can be carried out on one side, used for assembling the display screen 120, of the middle frame 110 to form a glue dispensing surface, then glue dispensing operation is carried out on the glue dispensing surface, namely glue is coated on the glue dispensing surface, and after the glue dispensing operation is completed, the display screen 120 is stably bonded to the middle frame 110 through the glue on the glue dispensing surface.
As shown in fig. 3 and 4, a glue applying surface is disposed on a side of the middle frame 110 where the display screen 120 is installed. The glue dispensing surface comprises an arc surface part 111 and a plane part 112, the plane part 112 is adjacent to the edge of the arc surface part 111 close to the inner side of the mobile terminal 100, and the middle frame 110 is provided with a support platform 113 to support the display screen 120 by using the support platform 113, so that the display screen 120 is spaced from the plane part 112, and the glue at the plane part 112 has enough space, thereby avoiding glue overflow caused by too tight abutting of the display screen 120 and the plane part 112.
The support 113 may be located on the arc surface portion 111 or on the plane portion 112, as long as the support 113 is higher than the plane of the plane portion 112 to support the display screen 120.
In some embodiments, the supporting platform 113 is 0.2mm to 0.5mm higher than the plane of the planar portion 112, since the display 120 is spaced apart from the planar portion 112 by the supporting platform 113, and the glue is filled in the gap between the display 120 and the planar portion 112, in this embodiment, the supporting platform 113 is set to be 0.2mm to 0.5mm higher than the plane of the planar portion 112, and the thickness of the glue between the display 120 and the planar portion 112 after curing ranges from 0.2mm to 0.5mm, so that the glue has enough adhesive force to fix the middle frame 110 and the display 120, thereby improving the overall structural stability of the mobile terminal 100.
The arc surface portion 111 is generated during the machining process of the middle frame 110 by a grooving tool. As shown in fig. 4, when the display screen 120 abuts against and is limited on the supporting platform 113, the gap between the display screen 120 and the arc surface 111 can be used for filling glue, so that the display screen 120 is adhered and fixed by the glue.
In this embodiment, as shown in fig. 4, the portion of the arc surface portion 111 is recessed toward the side away from the planar portion 112 with respect to the edge 111a of the side away from the planar portion 112, so that a sufficiently large dispensing surface can be provided, and a gap between the display screen 120 and the arc surface portion 111 can be filled with more glue to ensure the bonding stability between the display screen 120 and the middle frame 110.
Because the arc surface part 111 is sunken towards the side far away from the plane part 112, the distance between the edge 111a of the side far away from the plane part 112 of the arc surface part 111 and the edge of the display screen 120 can be reduced as much as possible under the condition of maintaining a large enough dispensing surface to ensure the dispensing quality, so that the width of a black edge is reduced, the screen occupation ratio is improved, and a better visual effect is obtained.
When the arc surface portion 111 is formed by machining the middle frame 110, the cutter may be grooved in a manner inclined with respect to the middle frame 110, and finally, a portion of the arc surface portion 111 may be recessed toward a side away from the flat surface portion 112 with respect to an edge 111a of the side away from the flat surface portion 112. For example, a T-shaped milling cutter is inclined at a certain angle relative to a plane perpendicular to the thickness direction of the mobile terminal 100, the middle frame 110 is grooved, and the finally obtained arc surface portion 111 is partially recessed towards the side away from the plane portion 112 due to the inclination of the T-shaped milling cutter, that is, the edge 111a of the side of the formed arc surface portion 111 away from the plane portion 112 forms an inverted buckle, so that a narrow black edge is maintained, a sufficiently large dispensing surface can be provided, and the bonding stability between the display screen 120 and the middle frame 110 is improved.
When the dispensing surface is machined on the middle frame 110, a 4-axis machine tool may be used to efficiently machine the middle frame 110 with the T-shaped milling cutter inclined so that the arc surface 111 of the dispensing surface is recessed away from the flat surface 112. The inclination processing manner of the T-shaped milling cutter relative to the middle frame 110 may be an inclination angle of the T-shaped milling cutter, or an inclination angle of the middle frame 110 may be rotated, as long as the T-shaped milling cutter can process the arc surface portion 111 at a proper inclination angle relative to the middle frame 110, so that the portion of the arc surface portion 111 is recessed toward the side away from the plane portion 112.
In some embodiments, the support platform 113 is located on the planar portion 112, and specifically, an orthogonal projection of the support platform 113 on a plane of the planar portion 112 is located within the planar portion 112. The part smooth transition of cambered surface portion 111 is in supporting bench 113, in one side of supporting bench 113 back to plane portion 112 forms the concave arc face, support when supporting bench 113 as display screen 120, there is the clearance in concave arc face and display screen 120, with filling glue, thereby on the whole, center 110 and display screen 120 can be through the glue stable connection in the clearance each other, display screen 120 is difficult to drop from center 110, and fill in glue between the two also can play better waterproof, dustproof effect.
It should be noted that the middle frame 110 may be a metal-plastic composite structure. For example, in some embodiments, the middle frame 110 includes an outer frame member 110a and a plastic member 110 b. The plastic part 110b is embedded inside the outer frame structure 110a by injection molding. After the display screen 120 is bonded with the middle frame 110 by glue, the plastic part 110b can also play a role in buffering, so that the structural stress between the display screen 120 and the outer frame structural part 110a is reduced, and the display screen 120 is not easy to damage.
In some embodiments, the outer frame member 110a may be made of metal or glass. The material adopted for the structure of the middle frame 110 is not limited herein.
Referring again to fig. 2, in some embodiments, the mobile terminal 100 includes a back case 130, and it is understood that the back case 130 is a case of the mobile terminal 100 facing away from the side where the display 120 is located. The middle frame 110 may be integrally formed with the back case 130, or may be provided separately from the back case 130.
In some embodiments, the middle frame 110 and the back case 130 are connected by thermosetting adhesive, which facilitates the detachment between the middle frame 110 and the back case 130, and makes the maintenance of the mobile terminal 100 easier. The connection manner between the middle frame 110 and the back shell 130 is not limited herein.
The display screen 120 includes a display panel 121 and a glass panel 122, the display panel 121 is disposed on a surface of the glass panel 122 facing the back shell 130, and then the glass panel 122 can meet the requirement of the display panel 121 for light transmission display, and can also protect the display panel 121 by using the glass panel 122, so as to prevent the display element of the display panel 121 from being scratched to affect the display effect.
In some embodiments, the middle frame 110 is a glass middle frame, the glass middle frame and the glass panel 122 are integrally formed by injection molding, the molding process is mature, the glass middle frame and the glass panel 122 are connected into a whole by using the injection molding mode, and no matching gap exists between the glass middle frame and the glass panel 122, so that when the mobile terminal 100 is used, the side of the mobile terminal 100, on which the display screen 120 is arranged, is right opposite to a user, and no matching gap exists because the middle frame 110 and the display screen 120 are integrated, namely no matching trace exists, and the whole effect of the full-screen is better.
The back shell 130 is a glass back shell or a ceramic back shell, so that the appearance and the texture of the mobile terminal 100 are coordinated, and the user experience is improved.
In one embodiment, the middle frame 110 and the back shell 130 are bonded together by an adhesive layer. The Adhesive layer may be formed by bonding OCA optical Adhesive (optical Clear Adhesive) between the middle frame 110 and the back shell 130 and curing. The OCA optical adhesive has the characteristics of no color, transparency, high light transmittance, high adhesive force, high weather resistance, water resistance, high temperature resistance, ultraviolet resistance and the like, has controlled thickness, can provide uniform spacing, and does not generate the problems of yellowing, peeling and deterioration after long-term use. The optical adhesive is one of the important raw materials of the touch screen, and is a double-sided adhesive tape without a base material.
In some embodiments, the mobile terminal 100 may also adopt a ceramic middle frame or a plastic middle frame, as long as it is ensured that the middle frame 110 and the display screen 120 are bonded by glue to obtain good structural stability and waterproof and dustproof effects.
Referring to fig. 5, fig. 5 is a schematic structural diagram of the mobile terminal 100 according to an embodiment of the present disclosure. The mobile terminal 100 may include Radio Frequency (RF) circuitry 501, memory 502 including one or more computer-readable storage media, an input unit 503, a display unit 504, a sensor 505, audio circuitry 506, a Wireless Fidelity (WiFi) module 507, a processor 508 including one or more processing cores, and a power supply 509. Those skilled in the art will appreciate that the configuration of the mobile terminal 100 shown in fig. 5 is not intended to be limiting of the mobile terminal 100 and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
The rf circuit 501 may be used for receiving and transmitting information, or receiving and transmitting signals during a call, and in particular, receives downlink information of a base station and then sends the received downlink information to one or more processors 508 for processing; in addition, data relating to uplink is transmitted to the base station. In general, radio frequency circuit 501 includes, but is not limited to, an antenna, at least one Amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the radio frequency circuit 501 may also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Message Service (SMS), and the like.
The memory 502 may be used to store applications and data. The memory 502 stores applications containing executable code. The application programs may constitute various functional modules. The processor 508 executes various functional applications and data processing by executing application programs stored in the memory 502. The memory 502 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the mobile terminal 100, and the like. Further, the memory 502 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 502 may also include a memory controller to provide the processor 508 and the input unit 503 access to the memory 502.
The input unit 503 may be used to receive input numbers, character information, or user characteristic information (such as a fingerprint), and generate a keyboard, mouse, joystick, optical, or trackball signal input related to user setting and function control. In particular, in one particular embodiment, the input unit 503 may include a touch-sensitive surface as well as other input devices. The touch-sensitive surface, also referred to as a touch display screen or a touch pad, may collect touch operations by a user (such as operations by the user on or near the touch-sensitive surface using a finger, a stylus, or any other suitable object or attachment) thereon or nearby, and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 508, and can receive and execute commands sent by the processor 508.
The display unit 504 may be used to display information input by or provided to the user as well as various graphical user interfaces of the mobile terminal 100, which may be made up of graphics, text, icons, video, and any combination thereof. The display unit 504 may include the display panel 121 described above. Alternatively, the Display panel 121 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
Further, the touch-sensitive surface may cover the display panel 121, and when a touch operation is detected on or near the touch-sensitive surface, the touch operation is transmitted to the processor 508 to determine the type of the touch event, and then the processor 508 provides a corresponding visual output on the display panel 121 according to the type of the touch event.
Although in FIG. 5 the touch-sensitive surface and the display panel 121 are shown as two separate components to implement input and output functions, in some embodiments the touch-sensitive surface may be integrated with the display panel 121 to implement input and output functions. It is understood that the display screen 120 may include an input unit 503 and a display unit 504.
The mobile terminal 100 may also include at least one sensor 505, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 121 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 121 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which may be further configured in the mobile terminal 100, detailed descriptions thereof are omitted.
The audio circuit 506 may provide an audio interface between a user and the mobile terminal 100 through a speaker and a microphone. The audio circuit 506 can convert the received audio data into an electrical signal, transmit the electrical signal to a speaker, and convert the electrical signal into a sound signal to output; on the other hand, the microphone converts the collected sound signal into an electrical signal, which is received by the audio circuit 506 and converted into audio data, and then the audio data is processed by the audio data output processor 508, and then the processed audio data is sent to another mobile terminal 100 through the rf circuit 501, or the audio data is output to the memory 502 for further processing. The audio circuitry 506 may also include an earphone holder to provide communication of a peripheral earphone with the mobile terminal 100.
Wireless fidelity (WiFi) belongs to a short-distance wireless transmission technology, and the mobile terminal 100 can help a user send and receive e-mails, browse webpages, access streaming media and the like through the wireless fidelity module 507, and provides wireless broadband internet access for the user. Although fig. 5 shows the wireless fidelity module 507, it is understood that it does not belong to the essential constitution of the mobile terminal 100, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 508 is a control center of the mobile terminal 100, connects various parts of the entire mobile terminal 100 using various interfaces and lines, and performs various functions of the mobile terminal 100 and processes data by running or executing an application program stored in the memory 502 and calling data stored in the memory 502, thereby monitoring the mobile terminal 100 as a whole. Optionally, processor 508 may include one or more processing cores; preferably, the processor 508 may integrate an application processor, which primarily handles operating systems, user interfaces, application programs, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 508.
The mobile terminal 100 also includes a power supply 509 to supply power to the various components. Preferably, the power supply 509 may be logically connected to the processor 508 through a power management system, so that the power management system may manage charging, discharging, and power consumption. The power supply 509 may also include any component such as one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
Although not shown in fig. 5, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein. In specific implementation, the above modules may be implemented as independent entities, or may be combined arbitrarily to be implemented as the same or several entities, and specific implementation of the above modules may refer to the foregoing method embodiments, which are not described herein again.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (11)
1. A mobile terminal is characterized by comprising a middle frame and a display screen, wherein the display screen is fixedly bonded to the middle frame through glue, a glue dispensing surface is arranged on one side, used for mounting the display screen, of the middle frame, the glue dispensing surface comprises an arc surface portion and a plane portion, the plane portion is adjacent to the edge, close to the inner side of the mobile terminal, of the arc surface portion, and the side, away from the plane portion, of the arc surface portion is sunken; the middle frame is provided with a supporting platform on the arc surface part or the plane part, the supporting platform protrudes out of the plane where the plane part is located, the length of the supporting platform in the extending direction of the middle frame is smaller than that of the plane part in the extending direction of the middle frame, the supporting platform is used for supporting the display screen, so that the display screen and the plane part are arranged at intervals, and a gap between the display screen and the plane part is used for filling glue; the arc surface part is in smooth transition with the supporting platform so as to form a concave arc surface on one side of the supporting platform, which is back to the plane part, and when the display screen is abutted against the supporting platform, a gap exists between the concave arc surface and the display screen.
2. The mobile terminal of claim 1, wherein an orthographic projection of the support platform on a plane of the planar portion is located within the planar portion.
3. The mobile terminal of claim 1, wherein the support platform is 0.2mm to 0.5mm higher than the plane of the planar portion.
4. The mobile terminal according to claim 1, wherein the middle frame comprises an outer frame structure and a plastic part, and the plastic part is embedded inside the outer frame structure by injection molding.
5. The mobile terminal of claim 4, wherein the outer frame structure is made of metal or glass.
6. The mobile terminal according to any of claims 1 to 5, comprising a back shell, wherein the back shell is connected to the middle frame, the display screen comprises a display panel and a glass panel, and the display panel is disposed on a side of the glass panel facing away from the back shell.
7. The middle frame is characterized in that a dispensing surface is arranged on the middle frame, the dispensing surface is used for coating glue to adhere to a display screen, the dispensing surface comprises an arc surface part and a plane surface part, the plane surface part is adjacent to the edge, close to the inner side of the mobile terminal, of the arc surface part, and the part, far away from the plane surface part, of the arc surface part is sunken; the middle frame is provided with a supporting platform on the arc surface part or the plane part, the supporting platform protrudes out of the plane where the plane part is located, the length of the supporting platform in the extending direction of the middle frame is smaller than that of the plane part in the extending direction of the middle frame, the supporting platform is used for supporting the display screen, so that the display screen and the plane part are arranged at intervals, and a gap between the display screen and the plane part is used for filling glue; the arc surface part is in smooth transition with the supporting platform so as to form a concave arc surface on one side of the supporting platform, which is back to the plane part, and when the display screen is abutted against the supporting platform, a gap exists between the concave arc surface and the display screen.
8. The middle frame according to claim 7, wherein an orthogonal projection of the support base on a plane of the planar portion is located within the planar portion.
9. The middle frame of claim 7, wherein the support platform is 0.2mm to 0.5mm higher than the plane of the planar portion.
10. The middle frame according to claim 7, wherein the middle frame comprises an outer frame structure member and a plastic member, and the plastic member is embedded inside the outer frame structure member by injection molding.
11. The middle frame of claim 10, wherein the outer frame structure is made of metal or glass.
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CN113067920B (en) * | 2021-03-10 | 2023-12-05 | 维沃移动通信有限公司 | Electronic equipment |
CN113518140B (en) * | 2021-09-07 | 2021-12-28 | 南昌龙旗信息技术有限公司 | Mobile terminal |
CN114220352A (en) * | 2021-12-28 | 2022-03-22 | Oppo广东移动通信有限公司 | Electronic device |
CN117437848A (en) * | 2022-07-13 | 2024-01-23 | 荣耀终端有限公司 | Display equipment and assembly process thereof |
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