CN211311355U

CN211311355U - Protective film

Info

Publication number: CN211311355U
Application number: CN201922181912.4U
Authority: CN
Inventors: 韩清; 邬成伟
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-21
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a protection film for the laminating is on electronic equipment's screen, and the protection film includes protective layer and viscose layer, and one of them surface on viscose layer bonds with the protective layer, and another surface on viscose layer is laminated with electronic equipment's screen mutually, is equipped with the blotter on the protective layer, and the blotter is located the edge of protective layer and is protruded in the protective layer surface of keeping away from the viscose layer. The surface of the protective layer, which is far away from the adhesive layer, is provided with the buffer cushion protruding out of the surface of the protective layer, so that when the mobile phone falls, the buffer cushion has the buffer and vibration damping effects, and the screen is prevented from being broken when the mobile phone falls accidentally; when the mobile phone screen is placed downwards, the cushion pad heightens the protective layer, has the scratch-proof effect and is convenient to take.

Description

Protective film

Technical Field

The utility model relates to an electronic equipment accessory technical field especially relates to a protection film.

Background

At present, electronic devices such as mobile phones and the like have become one of the most important communication tools for people, but in the use process of mobile phones, screens of the mobile phones are easily scratched, and scratches appear, so that the display effect and the attractiveness of the screens of the mobile phones are affected, and therefore people usually stick a layer of light-transmitting plastic film on the screens of the mobile phones to protect the screens of the mobile phones from being scratched.

However, the existing mobile phone protective film usually comprises a toughened glass layer and an adhesive layer on the lower surface of the toughened glass layer, the adhesive layer is usually the same as the toughened glass layer in shape and size, the upper surface of the mobile phone protective film is a plane, no anti-falling structure exists, when the mobile phone accidentally falls, the mobile phone protective film and the mobile phone screen are easily broken at the same time, particularly, four corners of the mobile phone are broken most easily, the screen replacement of the mobile phone is troublesome and expensive, and great loss is caused to a user.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a protection film to solve the poor problem of protection effect of cell-phone protection film among the prior art.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a protection film for the laminating is on electronic equipment's screen, and this protection film includes protective layer and viscose layer, and one of them surface on this viscose layer bonds with this protective layer, and another surface on this viscose layer is laminated with this electronic equipment's screen mutually, is equipped with the blotter on this protective layer, and this blotter is established at the edge of this protective layer and the surface that this viscose layer was kept away from to protrusion in this protective layer.

Further, the buffer pad includes a plurality of protrusions respectively disposed at a plurality of corners or a plurality of sides of the protection layer.

Further, the convex portion includes a transition section through which a width of the convex portion gradually narrows from a middle of the convex portion toward both ends of the convex portion, and/or a thickness of the convex portion gradually thins from the middle of the convex portion toward both ends of the convex portion through the transition section.

Further, the convex portion includes a first transition surface through which a thickness of the convex portion becomes gradually thinner from a top of the convex portion toward an inner edge of the convex portion, and a second transition surface through which the thickness of the convex portion becomes gradually thinner from the top of the convex portion toward an outer edge of the convex portion.

Furthermore, the whole buffer pad is of a rectangular frame structure, and the buffer pad is arranged around the edge of the protective layer.

Further, the cross section of the buffer pad is in a polygonal, semicircular, quarter-circular, semi-elliptical or C-shaped structure as a whole.

Further, the buffer pad comprises a convex part and a bending part connected with the convex part, the bending part and the convex part form a clamping groove matched with the edge of the protective layer, and the edge of the protective layer is accommodated in the clamping groove.

Further, the lower surface of the bending part is an arc-shaped surface, and the arc-shaped surface is matched with the radian of the edge of the screen of the electronic equipment.

Further, the adhesive layer covers the lower surface of the bending part, or the bottom surface of the adhesive layer is flush with the lower surface of the bending part.

Furthermore, a silk screen printing layer is arranged on the surface, facing the viscose layer, of the protective layer, and the silk screen printing layer is arranged on the edge of the protective layer and is located right below the cushion pad.

The utility model has the advantages that: the protection film includes protective layer and viscose layer, and one of them surface on viscose layer bonds with the protective layer, and another surface on viscose layer laminates mutually with electronic equipment's screen, is equipped with the blotter on the protective layer, and the blotter is established at the edge of protective layer and the surface that the viscose layer was kept away from in the protective layer to the protrusion. The surface of the protective layer, which is far away from the adhesive layer, is provided with the buffer cushion protruding out of the surface of the protective layer, so that when the mobile phone falls, the buffer cushion has the buffer and vibration damping effects, and the screen is prevented from being broken when the mobile phone falls accidentally; when the mobile phone screen is placed downwards, the cushion pad heightens the protective layer, has the scratch-proof effect and is convenient to take.

Drawings

FIG. 1 is a schematic plan view of a protective film according to a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a schematic view of a disassembled structure of the protective film according to the first embodiment of the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure at E in FIG. 3;

FIG. 5 is a schematic plan view of a protective film according to a second embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view at B-B in FIG. 5;

FIG. 7 is a schematic view of a disassembled structure of the protective film according to the second embodiment of the present invention;

FIG. 8 is a schematic plan view of a protective film according to a third embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view at C-C of FIG. 8;

FIG. 10 is a schematic view of a disassembled structure of the protective film according to the third embodiment of the present invention;

FIG. 11 is a schematic plan view of a protective film according to a fourth embodiment of the present invention;

FIG. 12 is a schematic cross-sectional view taken at D-D of FIG. 11;

fig. 13 is a schematic view of a disassembled structure of the protective film according to the fourth embodiment of the present invention;

FIG. 14 is a schematic cross-sectional view of a protective film according to a fifth embodiment of the present invention;

fig. 15 is a schematic cross-sectional view of a cushion pad according to a fifth embodiment of the present invention;

fig. 16 is a schematic cross-sectional view of a protective film according to a sixth embodiment of the present invention.

In the figure: the protective film 10, the through hole 101, the protective layer 11, the silk screen printing layer 111, the adhesive layer 12, the buffer pad 13, the clamping groove 13a, the convex portion 131, the transition section 131a, the first transition surface 131b, the second transition surface 131c, the bending portion 132, the release layer 14, and the handheld portion 141.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects of the protective film according to the present invention with reference to the accompanying drawings and preferred embodiments is as follows:

[ example one ]

Fig. 1 is a schematic plan view of a protective film according to a first embodiment of the present invention, fig. 2 is a schematic sectional view of a portion a-a in fig. 1, fig. 3 is a schematic view of a disassembled structure of the protective film according to the first embodiment of the present invention, and fig. 4 is a schematic partial enlarged view of a portion E in fig. 3.

As shown in fig. 1 to 4, a protection film provided by the embodiment of the present invention is used for being laminated on a screen of an electronic device, the protection film 10 includes a protection layer 11 and an adhesive layer 12, one of the surfaces of the adhesive layer 12 is bonded to the protection layer 11, the other surface of the adhesive layer 12 is bonded to the screen of the electronic device, the edge of the protection layer 11 is provided with a buffer pad 13, the buffer pad 13 protrudes out of the surface of the protection layer 11, that is, the upper surface of the adhesive layer 12 is bonded to the lower surface of the protection layer 11, the lower surface of the adhesive layer 12 is bonded to the screen of the electronic device, and the buffer pad 13 is disposed on the edge of the upper surface of. The electronic device is, for example, a mobile phone or a tablet computer. The protection layer 11 is made of, for example, tempered glass or PET (Polyethylene terephthalate), the adhesive layer 12 is made of a double-sided adhesive, for example, oca (optical Clear adhesive) optical adhesive or AB (AB) adhesive, and the protection layer 11 and the adhesive layer 12 are provided with through holes 101 corresponding to the earphones of the electronic device, so that a user can conveniently listen to voice information.

In this embodiment, the buffer pad 13 includes four protrusions 131, and the four protrusions 131 are respectively disposed at four corners of the protection layer 11 and correspond to the corners of the protection layer 11. The top corner of the protective layer 11 may be rounded, and the convex portion 131 may also be rounded at the corner and correspond to the corner of the protective layer 11.

The convex portion 131 has an L-shaped structure or a crescent shape as a whole, the convex portion 131 includes a transition section 131a, and the width of the convex portion 131 gradually narrows from the middle of the convex portion 131 to both ends of the convex portion 131 through the transition section 131a, that is, the convex portion 131 has a crescent shape as a whole. Preferably, the thickness of the convex portion 131 is also gradually thinner from the middle of the convex portion 131 toward both ends of the convex portion 131 through the transition section 131 a. Therefore, the anti-falling device can prevent falling and does not influence the holding hand feeling of a user. Of course, only the width of the convex portion 131 may be gradually narrowed from the middle of the convex portion 131 toward both ends of the convex portion 131 through the transition portion 131a, or only the thickness of the convex portion 131 may be gradually thinned from the middle of the convex portion 131 toward both ends of the convex portion 131 through the transition portion 131 a.

The convex portion 131 further includes a first transition surface 131b and a second transition surface 131c, the thickness of the convex portion 131 becomes gradually thinner from the top of the convex portion 131 toward the inner edge of the convex portion 131 through the first transition surface 131b, and the thickness of the convex portion 131 becomes gradually thinner from the top of the convex portion 131 toward the outer edge of the convex portion 131 through the second transition surface 131c, that is, the thickness of the convex portion 131 becomes gradually thinner toward the center of the protective layer 11 and the outer edge of the protective layer 11, as shown in fig. 2 and 4, to further increase the user's grip feeling.

In this other embodiment, the cushion pad 13 includes four protrusions 131, the protrusions 131 are elongated, and the four protrusions 131 may be disposed at four sides of the protection layer 11 to protect four side edges of the protection layer 11. Of course, it will be appreciated that the cushion 13 may also include two, three or more protrusions spaced at the corners or sides.

The cross section of the convex portion 131 is a semicircular, quarter-circular, polygonal (e.g., triangular, quadrangular), semi-elliptical or C-shaped structure as a whole. In this embodiment, the cross-sectional shape of the convex portion 131 is triangular as a whole, that is, the first transition surface 131b and the second transition surface 131c of the convex portion 131 intersect and form a ridge. The first transition surface 131b and the second transition surface 131c may be curved surfaces, that is, two waist sides of a triangle have a certain radian (fig. 2), and the curvatures of the first transition surface 131b and the second transition surface 131c may be the same or different, which is not limited thereto.

In this embodiment, the buffer pad 13 has flexibility and/or elasticity, that is, the buffer pad 13 may be made of a material having flexibility, or a material having elastic deformation, or a material having both elasticity and flexibility, for example, the buffer pad 13 is made of soft rubber (silica gel, rubber, UV rubber, etc.) to increase the buffering and vibration damping effect of the buffer pad 13, and when the mobile phone screen is placed downwards, the mobile phone screen also has an anti-slip effect. Certainly, the buffer pad 13 and the protective layer 11 can also be integrally formed, and both are made of the same material, for example, the buffer pad 13 and the protective layer 11 are made of toughened glass, and because the thickness of the buffer pad 13 is thicker than that of the protective layer 11, the edge structure of the protective film with the structure is strengthened, and when the electronic device accidentally drops, the probability of screen breaking can be greatly reduced.

In other embodiments, the cushion pad 13 further includes a bent portion 132, the bent portion 132 and the protrusion 131 form a clamping groove 13a matching with the edge of the protection layer 11, and the edge of the protection layer 11 is received in the receiving groove 13a, i.e. the cushion pad 13 wraps the edge of the protection layer 11 through the clamping groove 13a, please refer to embodiments five and six of the present invention (fig. 14-16).

The protective film 10 further comprises a release layer 14, and the release layer 14 is attached to the surface of the adhesive layer 12 away from the protective layer 11. Namely, the release layer 14 is located on the lower surface of the adhesive layer 12, the release layer 14 is provided with the handheld portion 141, the handheld portion 141 is located on the edge of the release layer 14, and is used for covering the adhesive layer 12 below the protective layer 11 before the protective film 10 is used, so as to prevent dust, and the protective film is convenient to transport and store, and when in use, the release layer 14 needs to be torn off through the handheld portion 141, so that the lower surface of the adhesive layer 12 is exposed, and then the protective film is pasted on the screen of the electronic device.

[ example two ]

Fig. 5 is a schematic plan view of a protective film according to a second embodiment of the present invention, fig. 6 is a schematic sectional view of B-B in fig. 5, and fig. 7 is a schematic view of a split structure of the protective film according to the second embodiment of the present invention. As shown in fig. 5 to 7, the protective film 10 according to the second embodiment of the present invention is substantially the same as the protective film 10 according to the first embodiment (fig. 1 to 4), except that in this embodiment, the entire buffer pad 13 is a rectangular frame structure, and the buffer pad 13 is disposed around the edge of the protective layer 11, that is, the buffer pad 13 is only provided with one convex portion 131, and the convex portion 131 is a rectangular frame structure. The size of the cushion pad 13 is matched with the size of the protective layer 11, that is, the cushion pad 13 surrounds the edge of the upper surface of the protective layer 11.

The cross section of the convex portion 131 is a semicircular, quarter-circular, polygonal, semi-elliptical or C-shaped structure as a whole. In this embodiment, the cross-sectional shape of the convex portion 131 is a rectangle, and preferably, two uppermost corners in the rectangle may be rounded corners, so that the shape of the cross-sectional shape is not only drop-resistant, but also does not affect the hand feeling of the user. Of course, the cross-sectional shape of the convex portion 131 may be semicircular or semi-elliptical.

Compared with the first embodiment, in the present embodiment, the whole cushion pad 13 is rectangular and surrounds the edge of the protection layer 11, so as to protect the periphery of the mobile phone screen in all directions, thereby increasing the anti-falling effect.

It should be understood by those skilled in the art that the rest of the structure and the operation principle of the present embodiment are the same as those of the first embodiment, and are not described herein again.

[ third example ]

Fig. 8 is a schematic plan view of a protective film according to a third embodiment of the present invention, fig. 9 is a schematic sectional view of C-C in fig. 8, and fig. 10 is a schematic view of a split structure of the protective film according to the third embodiment of the present invention. As shown in fig. 8 to 10, the third embodiment of the present invention provides a protective film 10 substantially the same as the protective film 10 in the first embodiment (fig. 1 to 4), except that, in this embodiment, the protective layer 11 is provided with an opaque silk-screen layer 111 on the surface facing the adhesive layer 12, the silk-screen layer 111 is provided at the edge of the protective layer 11 and is located under the cushion pad 13, that is, the cushion pad 13 corresponds to the silk-screen layer 111 up and down. The color of the silk-screen layer 111 may be set according to the color of the edge of the screen of the electronic device, such as black or white.

The position of the buffer pad 13 corresponds to the position of the silk-screen layer 111 up and down, and the width of the buffer pad 13 is smaller than or equal to the width of the silk-screen layer 111. The silk screen layer 111 generally has a color, the buffer pad 13 can be made of a soft material with a color similar to that of the silk screen layer 111, and the buffer pad cannot enter a transparent area of the protective layer 11, so that the overall aesthetic degree is increased. Of course, the cushion pad 13 may be made of transparent material, and the overall appearance of the protective film may also be ensured.

Compared with the first embodiment, in the present embodiment, the silk-screen layer 111 is disposed on the lower surface of the protection layer 11, and the silk-screen layer 111 does not increase the thickness of the protection film 10 basically, so as to play a role in decoration, shield the white edge, and improve the overall appearance.

[ example four ]

Fig. 11 is a schematic plan view of a protective film in the fourth embodiment of the present invention, fig. 12 is a schematic cross-sectional view of D-D in fig. 11, and fig. 13 is a schematic split view of the protective film in the fourth embodiment of the present invention. As shown in fig. 11 to 13, a protection film 10 according to the fourth embodiment of the present invention is substantially the same as the protection film 10 according to the second embodiment (fig. 5 to 7), except that, in this embodiment, an opaque silk-screen layer 111 is disposed on the surface of the protection layer 11 facing the adhesive layer 12, and the silk-screen layer 111 is disposed at the edge of the protection layer 11. The color of the silk-screen layer 111 may be set according to the color of the edge of the screen of the electronic device, such as black or white.

The position of the buffer pad 13 corresponds to the position of the silk-screen layer 111 up and down, and the width of the buffer pad 13 is smaller than or equal to the width of the silk-screen layer 111. The silk screen layer 111 generally has a color, the buffer pad 13 can be made of a soft material with a color similar to that of the silk screen layer 111, and the buffer pad cannot enter a transparent area of the protective layer 11, so that the overall aesthetic degree is increased. Of course, the cushion pad 13 may be made of transparent material, and the overall appearance of the protective film may also be ensured. Compared with the second embodiment, in the present embodiment, the silk-screen layer 111 is disposed on the lower surface of the protection layer 11, and the silk-screen layer 111 does not increase the thickness of the protection film 10 basically, so as to play a role in decoration, shield the white edge, and improve the overall beauty.

It should be understood by those skilled in the art that the rest of the structure and the operation principle of the present embodiment are the same as those of the present embodiment, and are not described herein again.

[ example five ]

Fig. 14 is a schematic cross-sectional structure view of a protective film in a fifth embodiment of the present invention, and fig. 15 is a schematic cross-sectional structure view of a cushion pad in a fifth embodiment of the present invention. As shown in fig. 14 to 15, a protection film 10 according to a fifth embodiment of the present invention is substantially the same as the protection film 10 according to the fourth embodiment (fig. 11 to 13), except that, in the present embodiment, the buffer pad 13 includes a convex portion 131 and a bent portion 132, the convex portion 131 is disposed on the upper surface of the protection layer 11, the bent portion 132 is disposed on the side surface and the lower surface of the protection layer 11, the bent portion 132 and the convex portion 131 form a clamping groove 13a matched with the edge of the protection layer 11, the edge of the protection layer 11 is accommodated in the accommodating groove 13a, that is, the buffer pad 13 wraps the edge of the protection layer 11 through the clamping groove 13 a.

The sectional shape of the bending portion 132 is generally L-shaped, and the side wall (outer side wall) of the bending portion 132 away from the holding groove 13a is a curved surface, so that the hand feeling of the user holding the hand can not be affected. The adhesive layer 12 covers the lower surface of the bending part 132, that is, the adhesive layer 12 covers the lower surface of the protection layer 11 and also covers the lower surface of the bending part 132, so as to increase the adhesion between the protection layer 11 and the screen.

Compared with the fourth embodiment, in the present embodiment, the cushion pad 13 further includes a bending portion 132 and forms a clamping groove 13a matching with the edge of the protection layer 11 with the convex portion 131, so as to wrap the edge of the protection layer 11, further increasing the anti-falling effect, and preventing the cushion pad 13 from falling off.

Those skilled in the art should understand that the rest of the structure and the operation principle of the present embodiment are the same as those of the fourth embodiment, and are not described herein again.

[ sixth example ]

Fig. 16 is a schematic cross-sectional view of a protective film according to a sixth embodiment of the present invention. As shown in fig. 16, the protection film 10 according to the fifth embodiment of the present invention is substantially the same as the protection film 10 according to the fourth embodiment (fig. 14 to 15), except that in this embodiment, the adhesive layer 12 does not cover the lower surface of the bent portion 132, but the bottom surface of the adhesive layer 12 is flush with the lower surface of the bent portion 132, i.e., the lower surface is flush. The bending portion 132 has a limiting effect on the adhesive layer 12, so as to prevent the protective film 10 from overflowing after being attached to the screen, and prevent dust from adhering to the edge of the adhesive layer 12. The lower surface of the bending portion 132 may have a certain radian, that is, the lower surface of the bending portion 132 is an arc surface, the arc surface is matched with the edge of the screen, and the shape of the lower surface of the bending portion 132 may be set according to the shape of the edge of the screen of the electronic device, but is not limited thereto.

For embodiment five, the bottom surface of the adhesive layer 12 in this embodiment is flush with the lower surface of the bending portion 132, and the bending portion 132 has a limiting effect on the adhesive layer 12, so as to prevent the adhesive overflowing after the protective film 10 is attached to the screen, and prevent dust from adhering to the edge of the adhesive layer 12.

Those skilled in the art should understand that the rest of the structure and the operation principle of the present embodiment are the same as those of the fifth embodiment, and are not described herein again.

In summary, the utility model has the advantages that the surface of the protective layer 11 away from the adhesive layer 12 is provided with the buffer cushion 13 protruding out of the surface of the protective layer 11, when the mobile phone falls, the buffer cushion 13 has the function of buffering and damping vibration, and the screen is prevented from being broken when the mobile phone accidentally falls; when the mobile phone screen is placed downwards, the buffer cushion 13 heightens the protective layer, has the anti-skid effect and the anti-scratch effect, and is convenient to take; the buffer pad 13 is provided with a clamping groove 13a matched with the edge of the protective layer 11, and the buffer pad 13 wraps the edge of the protective layer 11 through the clamping groove 13a, so that the anti-falling effect is increased, and the buffer pad 13 is prevented from falling off.

In this document, the terms upper, lower, left, right, front, rear and the like are used for defining the positions of the structures in the drawings and the positions of the structures relative to each other, and are only used for the clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims. It is also to be understood that the terms "first" and "second," etc., are used herein for descriptive purposes only and are not to be construed as limiting in number or order.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make some changes or modifications within the technical scope of the present invention without departing from the technical scope of the present invention, and the technical contents of the above disclosure can be utilized to make equivalent embodiments, but the technical contents of the present invention are not broken away from, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a protection film for the laminating is on electronic equipment's screen, and this protection film (10) includes protective layer (11) and adhesive layer (12), and one of them surface of this adhesive layer (12) bonds with this protective layer (11), and the other surface of this adhesive layer (12) is laminated with this electronic equipment's screen mutually, its characterized in that is equipped with blotter (13) on this protective layer (11), and this blotter (13) are established at the edge of this protective layer (11) and protrusion in this protective layer (11) keep away from the surface of this adhesive layer (12).

2. Protective film according to claim 1, wherein the buffer pad (13) comprises a plurality of protrusions (131), the plurality of protrusions (131) being respectively disposed at corners or sides of the protective layer (11).

3. The protective film according to claim 2, wherein the convex portion (131) includes a transition section (131a), a width of the convex portion (131) is gradually narrowed from a middle portion of the convex portion (131) toward both ends of the convex portion (131) through the transition section (131a), and/or a thickness of the convex portion (131) is gradually thinned from the middle portion of the convex portion (131) toward both ends of the convex portion (131) through the transition section (131 a).

4. The protective film according to claim 2, wherein the convex portion (131) includes a first transition surface (131b) and a second transition surface (131c), a thickness of the convex portion (131) becomes gradually thinner from a top of the convex portion (131) toward an inner edge of the convex portion (131) through the first transition surface (131b), and a thickness of the convex portion (131) becomes gradually thinner from the top of the convex portion (131) toward an outer edge of the convex portion (131) through the second transition surface (131 c).

5. Protective film according to claim 1, wherein the buffer (13) is a rectangular frame structure, and the buffer (13) is disposed around the edge of the protective layer (11).

6. Protective film according to claim 1, characterized in that the cross-section of the buffer pad (13) is overall polygonal, semicircular, quarter-circular, semi-elliptical or C-shaped.

7. Protective film according to claim 1, wherein the buffer pad (13) comprises a convex portion (131), a bent portion (132) connected to the convex portion (131), the bent portion (132) and the convex portion (131) forming a holding groove (13a) matching with an edge of the protective layer (11), the edge of the protective layer (11) being received in the holding groove (13 a).

8. The protective film according to claim 7, wherein the lower surface of the bending portion (132) is an arc surface, and the arc surface is adapted to the arc of the edge of the screen of the electronic device.

9. The protective film according to claim 7, wherein the adhesive layer (12) covers the lower surface of the bent portion (132), or the bottom surface of the adhesive layer (12) is flush with the lower surface of the bent portion (132).

10. Protective film according to any of claims 1 to 9, wherein a screen printing layer (111) is provided on the surface of the protective layer (11) facing the adhesive layer (12), the screen printing layer (111) being provided at the edge of the protective layer (11) and directly below the cushion pad (13).