CN115132092A - Electronic equipment, middle frame assembly, preparation method of middle frame assembly and display screen assembly - Google Patents

Abstract

The application provides electronic equipment, a middle frame assembly, a preparation method of the middle frame assembly and a display screen assembly; the display screen assembly includes: display screen module and apron, the display screen module includes display surface, non-display surface and side, the display surface with the non-display surface sets up relatively, the apron lid is located the display surface, the side is equipped with the separation glue film. The display screen subassembly that this application embodiment provided sets up the separation glue film through the side at the display screen module, can not set up sealed gluey circumstances between display screen apron and center under, realizes sealed to the side of display screen module, solves because of apron and center do not glue the display screen side that brings because of the problem that the display screen module that external impact such as corrosive liquids or salt fog leads to became invalid, promotes the reliability that electronic equipment complete machine shows.

Description

Electronic equipment, middle frame assembly, preparation method of middle frame assembly and display screen assembly

Technical Field

The application relates to the technical field of display screen protection structures, in particular to an electronic device, a middle frame assembly, a manufacturing method of the middle frame assembly and a display screen assembly.

Background

In the conventional technology, the electronic equipment is assembled by gluing the display screen cover plate and the middle frame periphery through glue dispensing to realize sealing. This kind of display screen apron and center carry out the mode of viscose through glue, and the bonding space needs to be reserved to the apron periphery, shows that the black limit increases, according to the glue dispensing technology in present stage, and the black limit needs to increase 0.45mm at least, openly comprehensive screen design to electronic equipment produces the influence, and then weakens electronic equipment's whole outward appearance performance.

Disclosure of Invention

A first aspect of an embodiment of the present application provides a display screen assembly, including: display screen module and apron, the display screen module is including showing face, non-display surface and side, the display surface with the non-display surface sets up relatively, the apron lid is located the display surface, the side is equipped with the separation glue film.

In a second aspect, an embodiment of the present application provides a middle frame assembly, where the middle frame assembly includes a middle frame and the display screen assembly described in any one of the above embodiments, and a non-display surface of a display screen module of the display screen assembly is fixedly connected to the middle frame.

In a third aspect, an embodiment of the present application provides a method for preparing a middle frame assembly, where the method for preparing the middle frame assembly includes:

bonding the display screen module to the cover plate;

dispensing on the side surface of the display screen module to form a separation glue layer;

and the non-display surface of the display screen module is fixedly bonded with the middle frame.

In addition, this application embodiment provides an electronic equipment again, electronic equipment includes control circuit board and any one of the above-mentioned embodiment the center subassembly, control circuit board with the display screen module group electricity is connected for control the operating condition of display screen module group.

The display screen subassembly that this application embodiment provided sets up the separation glue film through the side at the display screen module, can not set up sealed gluey circumstances between display screen apron and center under, realizes sealed to the side of display screen module, solves because of apron and center not the display screen side that the point was glued and is brought because of the problem that the display screen module that external impact such as corrosive liquids or salt fog leads to became invalid, promotes the reliability that electronic equipment complete machine shows.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a partial schematic view of a conventional electronic device display screen assembly;

FIG. 2 is a schematic, partial block diagram of an embodiment of a frame assembly of the present application;

FIG. 3 is a schematic diagram of the structure of the display screen assembly of the embodiment of FIG. 2;

FIG. 4 is a schematic structural diagram of a middle frame in the embodiment of FIG. 2;

FIG. 5 is a schematic flow chart diagram illustrating one embodiment of a method for making a frame assembly according to the present application;

FIG. 6 is a schematic structural view of the display panel module after being adhered to the cover plate;

FIG. 7 is a schematic view of a process of dispensing on a side surface of a display module;

FIG. 8 is a schematic block diagram of an embodiment of an electronic device of the present application;

FIG. 9 is a schematic sectional view of the electronic device at A-A in the embodiment of FIG. 8;

fig. 10 is a block diagram illustrating a structural composition of an embodiment of an electronic device according to the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present application.

The terms "first", "second" and "third" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. The terms "comprising" and "having," as well as any variations thereof, in the embodiments of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for 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, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

Referring to fig. 1, fig. 1 is a partial schematic view of an electronic device display screen assembly structure in a conventional technical solution, in the electronic device assembly, a cover plate 10a and a middle frame 10b are connected by glue 10c (generally, a hot melt adhesive) to achieve sealing, but a display black edge h1 needs to be increased by at least 0.45mm, which is not favorable for designing a full-face screen. The display module is denoted by 10d in the figure.

In view of this, an embodiment of the present application provides a middle frame assembly, please refer to fig. 2, fig. 2 is a schematic partial structure diagram of an embodiment of the middle frame assembly, and it should be noted that the middle frame assembly in the present application is used in an electronic device, and the electronic device may include an electronic device having a display screen module, such as a mobile phone, a tablet computer, a notebook computer, and a wearable device. The middle frame assembly 10 for an electronic device includes, but is not limited to, the following structures: a middle frame 100 and a display screen assembly 200.

Specifically, referring to fig. 3, fig. 3 is a schematic structural diagram of the display screen assembly in the embodiment of fig. 2, wherein the display screen assembly 200 includes: display screen module 210 and apron 220, this display screen module 210 include display surface 211, non-display surface 212 and side 213, display surface 211 with non-display surface 212 sets up relatively, apron 220 lid is located display surface 211, side 213 is equipped with separation glue film 230. Alternatively, the material of the cover plate 220 may be glass, transparent resin, or the like, and is not limited herein.

Optionally, the barrier adhesive layer 230 may be disposed along the circumference of the side 213 of the display screen module 210. The material of the barrier adhesive layer 230 may be an organic high molecular polymer, including but not limited to silicone adhesive or silane adhesive. The glue with small hardness, such as silicone glue, can be selected to play a role in buffering and protecting the side surface 213 of the display screen module 210. The blocking glue layer 230 occupies the design avoiding space of the side surface 213 and the middle frame of the original display screen module 210, and does not need to additionally occupy the black edge space.

Optionally, the area of the cover plate 220 is larger than the area of the display screen module 210, the cover plate 220 protrudes from the display surface 211 of the display screen module 210 at the circumferential edge, and the blocking glue layer 230 is connected to the surface of the cover plate 220 used for bonding with the display screen module 210 and the side surface 213 of the display screen module 210. The blocking glue layer 230 may be a laminated structure covering each layer of the side surface of the display screen module 210, or may be a laminated structure covering all the side surfaces of the display screen module 210, and is not limited herein.

Optionally, with continued reference to fig. 2, the non-display surface 212 of the display module 210 of the display module 200 is fixedly connected to the middle frame 100. Referring to fig. 4, fig. 4 is a schematic structural diagram of the middle frame in the embodiment of fig. 2, the middle frame 100 includes a middle plate 110 and side frames 120, the side frames 120 are extended from one side of the middle plate 110 toward the middle plate 110 and form an accommodating groove 101, the display screen module 210 is disposed in the accommodating groove 101 and is fixedly connected to the middle plate 110, specifically, referring to fig. 2, a non-display surface 212 of the display screen module 210 is bonded to the middle plate 110 through a back adhesive 300, so as to fixedly connect the display screen assembly 200 to the middle frame 100.

According to the technical scheme, on the one hand, the display screen assembly 200 can be fixedly connected with the middle frame 100, on the other hand, because sealant is not arranged between the display screen cover plate and the middle frame, the black edge can be reduced, in addition, the side face of the display screen module is provided with the separation glue layer, the problem that the display screen module fails due to external impact such as corrosive liquid or salt mist on the side face of the display screen caused by non-dispensing of the cover plate and the middle frame is solved (please continue to refer to fig. 2, the separation glue layer 230 can prevent the side face of the display screen module 210 from being corroded by pollutants entering from a gap 102 between the cover plate 220 and the side frame 120 of the middle frame 100), and the reliability of overall display of the electronic equipment is improved.

In addition, an embodiment of the present application further provides a method for manufacturing a middle frame assembly, please refer to fig. 5, and fig. 5 is a schematic flowchart of an embodiment of the method for manufacturing a middle frame assembly of the present application, where the method includes, but is not limited to, the following steps.

And S100, adhering the display screen module to the cover plate.

Referring to fig. 6, fig. 6 is a schematic structural view of the display screen module bonded to the cover plate, wherein the display screen module and the cover plate structure with the arc-shaped edge are taken as an example for description in this embodiment, and the display screen module 210 and the cover plate 220 may be bonded through the transparent optical adhesive layer 201.

Referring to fig. 5, the method further includes step S200 of dispensing a sealant layer on the side of the display module to form a barrier layer.

Referring to fig. 7, fig. 7 is a schematic diagram illustrating a process of dispensing on a side surface of the display screen module, which may be specifically implemented by spraying silicone adhesive to the side surface 213 of the display screen module 210 and the positions of the cover 220 and the side surface 213 of the display screen module 210 adjacent to each other through a dispensing head 88 of a five-axis automatic dispensing apparatus, and dispensing and curing the silicone adhesive to form the barrier adhesive layer 230.

Referring to fig. 5, the method further includes step S300 of bonding and fixing the non-display surface of the display module to the middle frame.

The structure of this step can refer to fig. 2 in the foregoing embodiment, and specifically, the non-display surface of the display screen module can be adhered and fixed to the middle frame by the back adhesive.

According to the preparation method of the middle frame assembly in the embodiment of the application, the separation glue layer is arranged on the side face of the display screen module, sealing can be achieved on the side face of the display screen module under the condition that no sealant is arranged between the display screen cover plate and the middle frame, the problem that the display screen module fails due to external impact of corrosive liquid or salt mist and the like on the side face of the display screen caused by the fact that the cover plate and the middle frame do not dispense glue is solved, and the reliability of complete display of electronic equipment is improved.

Further, an electronic device is further provided in an embodiment of the present application, please refer to fig. 8 and fig. 9 together, fig. 8 is a schematic structural diagram of an embodiment of the electronic device of the present application, and fig. 9 is a schematic structural cross-sectional diagram of the electronic device at a-a position in the embodiment of fig. 8, where the electronic device may be a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like, and the embodiment illustrates the mobile phone as an example. The electronic apparatus in the present embodiment may include a middle frame assembly 10, a control circuit board 20, and a rear cover 30.

Optionally, the cover plate 220 and the rear cover 30 are respectively disposed on two opposite sides of the middle frame 100. The cover plate 220 cooperates with the rear cover 30 and the middle frame 100 to form a receiving space 1000, and the control circuit board 20 is disposed in the receiving space 1000. Wherein, the control circuit board 20 is coupled with the display screen module 210, and the control circuit board 20 is used for controlling the operating state of the display screen module 210. The detailed technical features of other parts of the electronic device are within the understanding of those skilled in the art, and are not described herein.

Referring to fig. 10, fig. 10 is a block diagram illustrating a structure of an embodiment of an electronic device according to the present application, where the structure of the electronic device may include an RF circuit 910, a memory 920, an input unit 930, a display unit 940 (i.e., the display module 210 in the above embodiments), a sensor 950, an audio circuit 960, a wifi module 970, a processor 980, a power supply 990, and the like. Wherein the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected with the processor 980; power supply 990 is operable to provide power to the entire electronic device 10.

Specifically, the RF circuit 910 is used for transmitting and receiving signals; the memory 920 is used for storing data instruction information; the input unit 930 is used for inputting information, and may specifically include a touch panel 931 and other input devices 932 such as operation keys; the display unit 940 may include a display panel 941; the sensor 950 includes an infrared sensor, a laser sensor, etc. for detecting a user approach signal, a distance signal, etc.; a speaker 961 and a microphone 962 are connected to the processor 980 through the audio circuit 960 for emitting and receiving sound signals; the wifi module 970 is used for receiving and transmitting wifi signals, and the processor 980 is used for processing data information of the electronic device. For specific structural features of the electronic device, please refer to the related description of the above embodiments, and detailed descriptions thereof will not be provided herein.

The electronic equipment that this application embodiment provided, its display screen subassembly sets up the separation glue film through the side at the display screen module, can not set up sealed gluey circumstances between display screen apron and center under, realize sealed to the side of display screen module, solve because of apron and center do not glue the display screen side that brings because of the problem that the display screen module that external impact such as corrosive liquids or salt fog leads to became invalid, promote the reliability that electronic equipment complete machine shows.

The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent devices or equivalent processes performed by the content of the present application and the attached drawings, or directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. A display screen assembly, the display screen assembly comprising: display screen module and apron, the display screen module includes display surface, non-display surface and side, the display surface with the non-display surface sets up relatively, the apron lid is located the display surface, the side is equipped with the separation glue film.

2. The display screen assembly of claim 1, wherein the barrier glue layer is circumferentially disposed along the side of the display screen module.

3. The display screen assembly of claim 1, wherein the material of the barrier adhesive layer is an organic high molecular polymer.

4. The display screen assembly of claim 3, wherein the barrier adhesive layer is a silicone adhesive or a silane adhesive.

5. The display screen assembly of claim 1, wherein the area of the cover plate is larger than the area of the display screen module, the cover plate protrudes out of the display surface of the display screen module at the circumferential edge, and the barrier glue layer is connected to the surface of the cover plate used for being bonded with the display screen module and the side surface of the display screen module.

6. The middle frame assembly is characterized by comprising a middle frame and the display screen assembly as claimed in any one of claims 1 to 5, wherein the non-display surface of the display screen module of the display screen assembly is fixedly connected with the middle frame.

7. The middle frame assembly according to claim 6, wherein the middle frame comprises a middle plate and side frames, the side frames are integrally formed on the middle plate, the side frames extend from the edge of the middle plate toward one side of the middle plate and form a receiving groove, and the display screen module is disposed in the receiving groove and fixed to the middle plate.

8. The middle frame assembly of claim 7, wherein the non-display surface of the display screen module is adhered to the middle plate by a back adhesive.

9. A method of making a midframe assembly, the method comprising:

bonding the display screen module to the cover plate;

dispensing on the side surface of the display screen module to form a separation glue layer;

and the non-display surface of the display screen module is fixedly bonded with the middle frame.

10. An electronic device, comprising a control circuit board and the middle frame assembly of any one of claims 6 to 8, wherein the control circuit board is electrically connected to the display screen module and is configured to control an operating state of the display screen module.

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