CN217983351U

CN217983351U - Display screen and electronic equipment

Info

Publication number: CN217983351U
Application number: CN202222407575.8U
Authority: CN
Inventors: 游敏
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-06
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a display screen and electronic equipment, the display screen includes the apron and range upon range of interval arrangement is in the electrically conductive thin layer of apron below, the side reason coating glue solution of electrically conductive thin layer, the bottom surface of apron is provided with the printing ink layer that is used for fixed center, wherein, the printing ink layer has the step structure that prevents the glue solution to the side reason overflow of apron. In the display screen provided by the disclosure, through the design of adding the step structure to the ink layer, at the step surface of the step structure, due to the surface tension of the glue solution, the glue solution can be prevented from continuously overflowing outwards, the glue solution is stopped at the step surface, the overflow width of the glue solution and the width of the middle frame bonding area cannot coincide, the ink layer is ensured to have enough width to bond the middle frame, the bonding strength of the middle frame is ensured, meanwhile, the conductive film layer and the cover plate are conducted through the glue solution, the static electricity accumulated on the surface of the cover plate due to slight drop is dissipated, and the whole antistatic capacity of the display screen is improved.

Description

Display screen and electronic equipment

Technical Field

The present disclosure relates to the field of communications devices, and more particularly, to a display screen and an electronic device using the same.

Background

The reliability of the AMOLED Display (Active Matrix/Organic Light Emitting Diode Display) as an important component of the terminal device affects the function evaluation of the terminal device, and the antistatic capability of the terminal device is important in the reliability evaluation. In the related art, when the antistatic capacity of the display screen is abnormal, static electricity is eliminated in a mode of coating glue solution on the side edge, but the coated glue solution overflows to the side edge of the cover plate, and the bonding strength of the middle frame is affected.

SUMMERY OF THE UTILITY MODEL

To overcome the problems in the related art, the present disclosure provides a display screen and an electronic device using the same.

According to a first aspect of the embodiments of the present disclosure, a display screen is provided, including a cover plate and a conductive thin film layer stacked at intervals below the cover plate, a glue solution is coated on a side edge of the conductive thin film layer, an ink layer for fixing a middle frame is provided on a bottom surface of the cover plate, wherein the ink layer has a step structure for preventing the glue solution from overflowing to a side edge of the cover plate.

Optionally, the ink layer at least includes a first ink layer and a second ink layer which are stacked, and a width of the second ink layer is smaller than a width of the first ink layer to form the step structure.

Optionally, the apron extends to beyond the conductive film layer, first printing ink layer have extend to the apron with inside part between the conductive film layer with spill the outside part of conductive film layer, wherein, the glue solution is in overflow width A2 on the printing ink layer is less than or equal to the outside part on first printing ink layer with the width difference on second printing ink layer.

Optionally, the second ink layer includes a complete ink area and a glue solution contact area, the complete ink area and the first ink layer form the step structure, and the glue solution contact area has a plurality of gaps arranged at intervals in the width direction.

Optionally, the width of the first ink layer is greater than the sum of the widths of the full ink zone and the glue solution contact zone.

Optionally, the width of the full ink area is not less than the width of the middle frame assembly bonding area.

Optionally, the thickness of the first ink layer and/or the second ink layer is between 8-12 μm, respectively.

Optionally, the glue solution is any one of the following: antistatic liquid, conductive glue solution and silver paste.

Optionally, at least one of the following is arranged between the cover plate and the conductive film layer in a stacked manner: the OLED device comprises a polarizer layer, an OLED device layer and a BP layer, wherein the polarizer layer is fixed on the bottom surface of the cover plate through an optical transparent adhesive layer.

According to a second aspect of the embodiments of the present disclosure, an electronic device is provided, which includes the above display screen.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in the display screen provided by the disclosure, through the design of adding the step structure to the ink layer, at the step surface of the step structure, due to the surface tension of the glue solution, the glue solution can be prevented from continuously overflowing outwards, the glue solution is stopped at the step surface, the overflow width of the glue solution and the width of the middle frame bonding area cannot coincide, the ink layer is ensured to have enough width to bond the middle frame, the bonding strength of the middle frame is ensured, meanwhile, the conductive film layer and the cover plate are conducted through the glue solution, the static electricity accumulated on the surface of the cover plate due to slight drop is dissipated, and the whole antistatic capacity of the display screen is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a sectional view of a display screen shown according to a related exemplary embodiment.

FIG. 2 is a cross-sectional view of a display screen shown in accordance with an exemplary embodiment.

FIG. 3 is a cross-sectional view of a display screen shown in accordance with another exemplary embodiment.

Fig. 4 is a front view of a second ink layer in a display screen according to an exemplary embodiment.

Description of the reference numerals

11-cover plate, 12-conductive film layer, 13-ink layer, 130-step structure, 131-first ink layer, 132-second ink layer, 1321-complete ink area, 1322-glue solution contact area, 1320-gap, 14-polarizer layer, 15-OLED device layer, 16-BP layer, 17-optical transparent glue layer and 2-glue solution.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

It should be noted that all the actions of acquiring signals, information or data in the present application are performed under the premise of complying with the corresponding data protection regulation policy of the country of the location and obtaining the authorization given by the owner of the corresponding device.

In the present disclosure, where the contrary is not stated, the use of directional words such as "upper", "lower", "top" and "bottom" is intended with respect to the normal use of the display screen, and in particular with reference to the directions shown in the drawings in fig. 1 to 3, "inner" and "outer" are intended to mean inner and outer of the respective component profiles. Furthermore, the terms "first," "second," and the like, as used in this disclosure, are intended to distinguish one element from another, and not necessarily for order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

In the related art, the antistatic capability of the display screen is monitored by using the slight drop of the whole machine, when the slight drop shows abnormality, for example, the edge of a front camera hole or an AA (Active Area) is shiny or green, or a display screen shows abnormality, as shown in fig. 1, a glue solution 2 is coated on the side edge of the display screen, a conductive film layer 12 and a cover plate 11 are conducted through the glue solution 2, and the amount of static electricity accumulated on the surface of the cover plate 11 due to the slight drop is dissipated. As shown in fig. 1, the cover plate 11 extends to beyond the conductive film layer 12, an ink layer 13 is disposed on the bottom surface of the protruding cover plate 11, the ink layer 13 has a middle frame assembly bonding area (the middle frame is not shown in the figure), the width of the ink layer 13 is B, after the glue solution 2 is coated on the side edge, due to the fluidity and wettability of the glue solution 2, the ink layer 13 overflows, the glue solution overflow width A1 overlaps with the width B of the middle frame assembly bonding area, and the glue solution 2 occupies a part of the middle frame bonding area after overflowing, thereby affecting the bonding strength of the middle frame.

In order to solve the above problem, as shown in fig. 2, the present disclosure provides a display screen, the display screen at least includes a cover plate 11 and a conductive thin film layer 12 stacked and spaced below the cover plate 11, a glue solution 2 is coated on a side edge of the conductive thin film layer 12, and an ink layer 13 for fixing a middle frame is disposed on a bottom surface of the cover plate 11, wherein the ink layer 13 has a step structure 130 for preventing the glue solution 2 from overflowing to the side edge of the cover plate 11. Here, it should be noted that, the step structure 130 on the ink layer 13 may form a first step for the ink layer 13 and the cover plate 11, and a layer of ink layer may be additionally added on the basis of the original ink layer to form a first or multi-step structure, which all belong to the protection scope of the present disclosure. In addition, the Cover plate 11 is Cover Glass (CG), and the conductive thin film layer 12 may be SCF copper foil.

Through the technical scheme, in the display screen provided by the disclosure, through the design of adding the step structure 130 to the ink layer 13, at the step surface of the step structure 130, because of the surface tension of the adhesive solution 2, the adhesive solution 2 can be prevented from continuously overflowing outwards, the adhesive solution 2 is stopped at the step surface, the overflow width A2 of the adhesive solution 2 and the width B of the middle frame bonding area cannot coincide, it is ensured that the ink layer 13 has enough width to bond the middle frame, the bonding strength of the middle frame is ensured, meanwhile, the conductive film layer 12 and the cover plate 11 are conducted through the adhesive solution 2, the static electricity accumulated on the surface of the cover plate 11 due to slight falling is dissipated, and the whole antistatic capacity of the display screen is improved.

In the present disclosure, the glue solution 2 is any one of the following: the antistatic liquid, the conductive glue solution and the silver paste can discharge the charge quantity generated by static electricity, and the antistatic effect of the display screen is improved. In addition, in the present disclosure, the Display screen is an AMOLED Display, and at least one of the following is sequentially stacked and arranged between the cover plate 11 and the conductive thin film layer 12: a polarizer layer 14, an OLED (Organic Light-Emitting Diode) device layer 15, and a BP (Blue Phase) layer 16, wherein the polarizer layer 14 is fixed to the bottom surface of the cover plate 11 by an Optically Clear Adhesive (OCA) 17. Compared with the traditional liquid crystal panel, the AMOLED Display has the characteristics of high response speed, high contrast, wide viewing angle and the like.

There are various ways to design the step structure 130 on the ink layer 13. As shown in fig. 2, the ink layer 13 at least includes a first ink layer 131 and a second ink layer 132 which are stacked, the width of the second ink layer 132 is smaller than the width of the first ink layer 131 to form a step structure 130, a layer of ink layer is added on the basis of the first ink layer 131 to form the step structure for stopping, and meanwhile, the width and the thickness of the second ink layer 132 are designed, so that the stopping ability of the step structure 130 can be adjusted, for example, the thickness of the second ink layer 132 can be increased, the stopping ability can be increased, the width of the second ink layer 132 can be increased, the overflow width A2 of the glue solution 2 can be reduced, the design can be performed as required, the layer number of the ink layer 13 is designed, and the design is not limited to two layers, and the structures capable of realizing the stopping function all belong to the protection range of the present disclosure.

Specifically, in the present disclosure, the thicknesses of the first ink layer 131 and/or the second ink layer 132 are respectively between 8 μm and 12 μm, which can both ensure the stopping function for the glue solution 2 and ensure the bonding strength for the middle frame, and the thicknesses of the first ink layer 131 and the second ink layer 132 may be the same or different, and the thicknesses of the two layers may be designed as required.

As shown in fig. 2, the cover plate 11 extends beyond the conductive film layer 12, and the first ink layer 131 has an inner portion extending between the cover plate 11 and the conductive film layer 12 and an outer portion leaking out of the conductive film layer 12, wherein an overflow width A2 of the glue solution 2 on the ink layer 13 is less than or equal to a difference in width between the outer portion of the first ink layer 131 and the second ink layer 132. In this case, it can be ensured that the glue solution 2 does not overflow to the middle frame bonding area, which affects the bonding of the middle frame.

In another exemplary embodiment of the present disclosure, as shown in fig. 3, the second ink layer 132 includes a full ink area 1321 and a paste contact area 1322, the full ink area 1321 and the first ink layer 131 form a stepped structure 130, and the paste contact area 1322 has a plurality of slits 1320 spaced apart in a width direction. In the glue solution contact area 1322, the glue solution 2 fills the gap 1320 far away from the side edge (inner side), and sequentially fills the gap 1320 on the outer side gradually, which is equivalent to setting multiple layers of stopping steps, and the last stopping is performed at the step structures 130 of the first ink layer 131 and the complete ink area 1321 to prevent the glue solution from overflowing. As shown in fig. 4, the number of the slits 1320 is greater than or equal to 2, and the widths of the adjacent slits 1320 may be equal or different, which all fall within the protection scope of the present disclosure.

As shown in fig. 3, the width of the first ink layer 131 is greater than the sum of the widths of the complete ink area 1321 and the glue solution contact area 1322, that is, a portion of the first ink layer 131 is further disposed between the cover plate 11 and the optically transparent adhesive layer 17, so that a connection effect can be achieved, and the connection strength between each layer and the cover plate 11 can be improved.

In order to ensure the bonding strength to the middle frame, in the present disclosure, the width of the complete ink area 1321 is not less than the width of the middle frame assembly bonding area, and the width of the complete ink area 1321 may be designed according to the width of the middle frame assembly bonding area, so that it can completely cover the width of the middle frame assembly bonding area, and ensure the bonding strength to the middle frame.

According to a second aspect of the present disclosure, there is also provided an electronic device comprising the above-introduced display screen. The electronic equipment has all the advantages of the display screen, and redundant description is not repeated here. This display screen can be the display screen of electronic equipment such as cell-phone, flat board, can accomplish complete perspective, can be crooked at will, can resist and live striking or extrusion according to the arbitrary resize of usage, also is difficult to be smashed or break, can let wearable computing technology put into practical use. In addition, fig. 1 to 3 in the present disclosure show one side edge of the display screen, and a square display screen is taken as an example, the structure shown in the figures can be designed on four side edges, and in order to avoid repetition, detailed description is not provided here.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The utility model provides a display screen, its characterized in that is in including apron (11) and range upon range of interval arrangement apron (11) below conductive film layer (12), the side reason coating glue solution (2) of conductive film layer (12), the bottom surface of apron (11) is provided with printing ink layer (13) that are used for fixed center, wherein, printing ink layer (13) have the prevention glue solution (2) to stair structure (130) of the side reason overflow of apron (11).

2. The display screen according to claim 1, wherein the ink layer (13) comprises at least a first ink layer (131) and a second ink layer (132) which are stacked, and the width of the second ink layer (132) is smaller than that of the first ink layer (131) to form the step structure (130).

3. A display screen according to claim 2 wherein the cover sheet (11) extends beyond the conductive film layer (12), the first ink layer (131) having an inner portion extending between the cover sheet (11) and the conductive film layer (12) and an outer portion that leaks out of the conductive film layer (12), wherein the overflow width A2 of the glue (2) on the ink layer (13) is less than or equal to the difference in width between the outer portion of the first ink layer (131) and the second ink layer (132).

4. A display screen according to claim 2, wherein the second ink layer (132) comprises a full ink region (1321) and a glue solution contact region (1322), the full ink region (1321) and the first ink layer (131) forming the step structure (130), the glue solution contact region (1322) having a plurality of slits (1320) spaced apart in a width direction.

5. A display screen according to claim 4, characterised in that the width of the first ink layer (131) is greater than the sum of the widths of the full ink area (1321) and the glue contact area (1322).

6. A display screen according to claim 4, characterised in that the width of the full ink zone (1321) is no less than the width of the mid-frame assembly bonding area.

7. A display screen according to claim 2, characterised in that the thickness of the first ink layer (131) and/or the second ink layer (132) is between 8-12 μm, respectively.

8. The display screen according to claim 1, wherein the glue solution (2) is any one of the following: antistatic liquid, conductive glue solution and silver paste.

9. A display screen according to claim 1, characterised in that at least one of the following is arranged in sequence between the cover plate (11) and the conductive film layer (12): the OLED device comprises a polarizer layer (14), an OLED device layer (15) and a BP layer (16), wherein the polarizer layer (14) is fixed on the bottom surface of the cover plate (11) through an optical transparent adhesive layer (17).

10. An electronic device characterized in that it comprises a display screen according to any one of claims 1-9.