CN219351777U - Mobile terminal - Google Patents

Abstract

The utility model relates to a mobile terminal, mobile terminal includes center (1) and screen (2), screen (2) include cover glass (21) with set up in flexible circuit board (22) of cover glass (21) inboard, set up on center (1) hold gluey groove (11), wherein, cover glass (21) are located hold gluey groove (11) top, flexible circuit board (22) part stretches into hold gluey groove (11), hold gluey groove (11) intussuseption to be filled with bonding glue (3), bonding glue (3) will center (1) flexible circuit board (22) and cover glass (21) bond together. The mobile terminal can improve the screen occupation ratio of the mobile terminal.

Description

Mobile terminal

Technical Field

The disclosure relates to the technical field of terminals, and in particular relates to a mobile terminal.

Background

In the related art, for mobile terminals, such as mobile phones, increasing the screen ratio of the mobile terminal is an important direction of mobile terminal development. The screen of the mobile terminal needs to be fixed on the middle frame, and the cover glass of the screen is adhered on the installation surface of the middle frame through spot gluing, however, the cover glass needs to provide the installation width of the spot gluing, and the cover glass of the screen also needs to provide the avoidance width for avoiding the flexible circuit board, so that the boundary of the screen is wider, and the screen occupation of the mobile terminal is lower.

Disclosure of Invention

An object of the present disclosure is to provide a mobile terminal capable of improving its own screen ratio.

In order to achieve the above-mentioned purpose, the present disclosure provides a mobile terminal, the mobile terminal includes center and screen, the screen include the cover glass with set up in the inboard flexible circuit board of cover glass, set up on the center and hold the gluey groove, wherein, the cover glass is located hold the top in gluey groove, flexible circuit board part stretches into hold in the gluey groove, hold gluey inslot and fill and have the bonding glue, the bonding glue will the center flexible circuit board with the cover glass bonds together.

Optionally, the glue containing groove comprises a first sub-groove and a second sub-groove which are mutually communicated, the flexible circuit board part stretches into the first sub-groove, the glue containing groove is formed with a step surface between the first sub-groove and the second sub-groove, and the step surface is used for limiting the adhesive to move upwards.

Optionally, the second sub-groove is located at the bottom of the first sub-groove.

Optionally, the second sub-groove is located outside the first sub-groove.

Optionally, the second sub groove has a vertical surface connected with the step surface, and the vertical surface gradually extends downwards in a direction away from the first sub groove.

Optionally, the second sub groove has a vertical surface connected with the step surface, and the vertical surface extends upwards gradually in a direction away from the first sub groove.

Optionally, the bottom surface of the first sub-groove is flush with the bottom surface of the second sub-groove.

Optionally, the step surface extends horizontally.

Optionally, the bottom surface of the first sub-groove is flush with the bottom surface of the second sub-groove, and the step surface is parallel to the bottom surfaces of the first sub-groove and the second sub-groove.

Optionally, the glue containing groove is formed in one end of the middle frame in the length direction.

Through above-mentioned technical scheme, in the mobile terminal that this disclosure provided, through seting up the appearance gluey groove on the center to with flexible circuit board part stretch into this appearance gluey groove in, like this, hold gluey groove and flexible circuit board can the partial coincidence, hold gluey inslot intussuseption and pack the bonding glue after, the bonding glue can be fixed the screen on the center, realize the fixed of screen and center, because hold gluey groove and flexible circuit board partial coincidence, therefore, the total width of the coverslip that gluey and flexible circuit board occupy is less, this makes the boundary of screen can narrow, and then has improved mobile terminal's screen ratio.

Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:

fig. 1 is a partial cross-sectional view of a mobile terminal in the related art;

fig. 2 is a partial cross-sectional view of a mobile terminal provided according to an embodiment of the present disclosure;

fig. 3 is a partial cross-sectional view of a mobile terminal provided according to an embodiment of the present disclosure, in which an adhesive is not shown.

Description of the reference numerals

1-a middle frame, 11-a glue containing groove, 111-a first sub groove, 112-a second sub groove, 1121-a vertical surface, 113-a step surface, 2-a screen, 21-a cover glass, 22-a flexible circuit board and 3-adhesive glue; 1 '-middle frame, 11' -installation surface, 2 '-screen, 21' -cover glass, 22 '-flexible circuit board, 3' -adhesive.

Detailed Description

Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.

In the present disclosure, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are defined based on fig. 2, and specific reference may be made to the orientation of the drawing of fig. 2, where upper corresponds to top and lower corresponds to bottom. "inner and outer" refer to the inner and outer contours of the individual components themselves. The terms "first" and "second" are used herein to distinguish one element from another without sequence or importance.

Referring to fig. 1, in the related art mobile terminal, a cover glass 21 'having a mounting surface 11' on a center 1 'and a screen 2' is bonded to the mounting surface 11 'through an adhesive 3', and thus the cover glass 21 'needs to provide a mounting width for the adhesive 3', and in addition, the cover glass 21 'needs to provide a dodging width for a flexible circuit board 22' of the screen 2', and thus the boundary of the screen 2' may appear wider, resulting in a low screen ratio of the related art mobile terminal.

In a specific embodiment of the disclosure, referring to fig. 2, the mobile terminal includes a middle frame 1 and a screen 2, the screen 2 includes a cover glass 21 and a flexible circuit board 22 disposed on the inner side of the cover glass 21, a glue containing groove 11 is formed on the middle frame 1, the cover glass 21 is located above the glue containing groove 11, the flexible circuit board 22 partially extends into the glue containing groove 11, an adhesive 3 is filled in the glue containing groove 11, and the adhesive 3 adheres the middle frame 1, the flexible circuit board 22 and the cover glass 21 together.

Through the above technical scheme, in the mobile terminal provided by the disclosure, through seting up glue containing groove 11 on middle frame 1 to with flexible circuit board 22 part stretch into this glue containing groove 11 in, like this, glue containing groove 11 and flexible circuit board 22 can partly coincide, after glue containing groove 11 intussuseption is filled with bonding glue 3, bonding glue 3 can be fixed screen 2 on middle frame 1, realize screen 2 and middle frame 1's fixed, because glue containing groove 11 and flexible circuit board 22 part coincide, consequently, the total width of cover glass 21 that bonding glue 3 and flexible circuit board 22 occupy is less, this makes the border of screen 2 can narrow, and then has improved mobile terminal's screen ratio.

It should be noted that, as well known to those skilled in the art, the screen ratio is the relative ratio of the screen area to the front panel area of the mobile terminal, and is a parameter that is relatively easy to obtain a visual sense in the design of the mobile terminal, such as a mobile phone. And, the screen ratio is closely related to the boundary effect of the screen, specifically, the wider the boundary of the screen is, the lower the screen ratio is, whereas the narrower the boundary of the screen is, the higher the screen ratio is. Accordingly, the mobile terminal of the present disclosure improves the screen duty ratio by narrowing the boundary of the screen 2. It should be noted that, the width direction of the cover glass 21 may refer to the left-right direction of fig. 2, which will not be described in detail in this disclosure.

In some embodiments of the present disclosure, referring to fig. 2 and 3, the glue well 11 may include a first sub-well 111 and a second sub-well 112 communicating with each other, the flexible circuit board 22 partially protrudes into the first sub-well 111, and the glue well 11 is formed with a stepped surface 113 between the first sub-well 111 and the second sub-well 112, the stepped surface 113 serving to restrict upward movement of the glue 3. Thus, after the middle frame 1 and the screen 2 are bonded together by the bonding adhesive 3, the step surface 113 can further prevent the screen 2 from being separated from the middle frame 1, i.e., further improve the connection stability of the middle frame 1 and the screen 2. Here, the present disclosure is not limited to the relative positions of the first and second sub-grooves 111 and 112, and will be described in detail in the following embodiments. In addition, the specific extending direction of the step surface 113 is not limited in the present disclosure, and the present disclosure will be described in detail in the following embodiments.

In some embodiments of the present disclosure, referring to fig. 2 and 3, the second sub-groove 112 may be located at the bottom of the first sub-groove 111. That is, the second sub groove 112 is provided away from the cover glass 21, so that the supporting effect of the center 1 on the screen 2 can be ensured. Of course, in other embodiments of the present disclosure, the second sub-groove 112 may also be located at the top of the first sub-groove 111, which is not limited by the present disclosure.

In some embodiments of the present disclosure, referring to fig. 2 and 3, the second sub-groove 112 may be located outside the first sub-groove 111. In this way, the arrangement space of the side portion of the center 1 can be fully utilized. Of course, the second sub-groove 112 may also be located inside the first sub-groove 111, which is not limited by the present disclosure.

Alternatively, referring to fig. 2 and 3, in a manner that the second sub groove is located outside the first sub groove, the second sub groove 112 has a vertical face 1121 connected with the step face 113, and the vertical face 1121 may gradually extend downward in a direction away from the first sub groove 111. Thus, when the screen 2 is detached from the middle frame 1, the adhesive 3 can be moved out of the second sub-groove 112 obliquely, and the extending direction of the vertical face 1121 can facilitate the processing of the second sub-groove 112 and the vertical face 1121.

Alternatively, the second sub groove 112 has a vertical face 1121 connected with the step face 113 in such a manner that the second sub groove is located outside the first sub groove, and the vertical face 1121 may extend gradually upward in a direction away from the first sub groove 111. Thus, the width of the step surface 113 can be increased, the screen 2 is further prevented from accidentally falling out of the middle frame 1, and the connection stability of the screen 2 and the middle frame 1 is ensured.

Alternatively, referring to fig. 2 and 3, the bottom surface of the first sub groove 111 may be flush with the bottom surface of the second sub groove 112. Thus, the bottom surface of the glue containing groove 11 is convenient to process.

In some embodiments of the present disclosure, for the step surface, referring to fig. 3, the step surface 113 may extend horizontally. In this way, the upward movement of the adhesive 3 can be effectively restricted.

Alternatively, referring to fig. 3, the bottom surface of the first sub-groove 111 is flush with the bottom surface of the second sub-groove 112, and the step surface 113 may be parallel to the bottom surfaces of the first and second sub-grooves 111 and 112. Thus, the processing of the glue containing groove 11 is convenient, and meanwhile, the assembly of the screen 2 and the middle frame 1 is facilitated.

In some embodiments of the present disclosure, the glue groove 11 may be formed at one end of the middle frame 1 in the length direction. For example, the glue groove 11 may be disposed at both ends of the length direction of the center 1, respectively, with the front camera of the mobile terminal, which is not limited by the present disclosure.

In some embodiments of the present disclosure, the filling of the adhesive 3 may be performed after the assembly of the middle frame 1 and the screen 2, for example, a glue filling hole may be formed on the back surface of the middle frame 1, after the pre-assembly of the screen 2 and the middle frame 1, glue may be filled into the glue containing groove 11 through the glue filling hole communicated with the glue containing groove 11, and after the curing of the adhesive 3, the fixation of the screen 2 and the middle frame 1 is ensured by the adhesion of the adhesive 3 and the blocking of the step surface 113. In addition, after the screen 2 is detached from the middle frame 1, for example, when the screen 2 needs to be reworked, when the screen 2 needs to be assembled with the middle frame 1 again, the adhesive 3 on the screen 2 can be obliquely installed into the adhesive accommodating groove 11, and at this time, the step surface 113 can be used to prevent the screen 2 from being separated from the middle frame 1, that is, the adhesive 3 on the screen 2 does not need to be cured again, so that the rejection rate of the screen 2 can be reduced.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.

In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, the present disclosure does not further describe various possible combinations.

Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.

Claims (10)

1. The mobile terminal is characterized by comprising a middle frame and a screen, wherein the screen comprises a cover glass and a flexible circuit board arranged on the inner side of the cover glass, a glue containing groove is formed in the middle frame, the cover glass is located above the glue containing groove, the flexible circuit board partially stretches into the glue containing groove, bonding glue is filled in the glue containing groove, and the middle frame, the flexible circuit board and the cover glass are bonded together by the bonding glue.

2. The mobile terminal of claim 1, wherein the glue receiving slot includes a first sub-slot and a second sub-slot that are in communication with each other, the flexible circuit board portion extending into the first sub-slot, the glue receiving slot having a stepped surface formed between the first sub-slot and the second sub-slot, the stepped surface for limiting upward movement of the glue.

3. The mobile terminal of claim 2, wherein the second sub-slot is located at a bottom of the first sub-slot.

4. A mobile terminal according to claim 2 or 3, wherein the second sub-slot is located outside the first sub-slot.

5. The mobile terminal of claim 4, wherein the second sub-slot has a riser connected to the step surface, the riser extending gradually downward in a direction away from the first sub-slot.

6. The mobile terminal of claim 4, wherein the second sub-slot has a riser connected to the step surface, the riser extending progressively upward in a direction away from the first sub-slot.

7. The mobile terminal of claim 4, wherein a bottom surface of the first sub-slot is flush with a bottom surface of the second sub-slot.

8. The mobile terminal of claim 2, wherein the step surface extends horizontally.

9. The mobile terminal of claim 8, wherein the bottom surface of the first sub-slot is flush with the bottom surface of the second sub-slot, and wherein the step surface is parallel to the bottom surfaces of the first and second sub-slots.

10. The mobile terminal of claim 1, wherein the glue groove is formed at one end of the middle frame in the length direction.

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