CN211702122U - Protective film - Google Patents
Protective film Download PDFInfo
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- CN211702122U CN211702122U CN202020173710.5U CN202020173710U CN211702122U CN 211702122 U CN211702122 U CN 211702122U CN 202020173710 U CN202020173710 U CN 202020173710U CN 211702122 U CN211702122 U CN 211702122U
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- protective layer
- falling
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- screen
- protrusion
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Abstract
The utility model discloses a protection film for the laminating is on electronic equipment's screen, and the protection film includes protective layer, viscose layer and a plurality of prevent falling the convex part, and one of them surface on viscose layer bonds with the protective layer, and another surface on viscose layer is used for laminating mutually with electronic equipment's screen, and the corner of protective layer is located respectively to a plurality of prevent falling the convex part, just from seeing to electronic equipment's screen direction, prevents falling the convex part and be L shape or arc structure, and prevents falling the edge of convex part protrusion in the protective layer. Through set up the protrusion in the protective layer edge prevent falling the convex part at protective layer corner to strengthen the corner of protective layer, when the cell-phone fell, prevent falling the convex part and have buffering absorbing effect, protective layer or cell-phone screen were broken into pieces when avoiding the cell-phone accident to drop.
Description
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 shape and the size of the adhesive layer are usually the same as those of the toughened glass layer, the side surface of the mobile phone protective film is a plane, and no anti-falling structure exists.
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 the protective layer, viscose layer and a plurality of prevent falling the convex part, and one of them surface on this viscose layer bonds with this protective layer, and another surface on this viscose layer is used for laminating mutually with electronic equipment's screen, and the corner of this protective layer is located respectively to a plurality of should prevent falling the convex part, just from seeing to electronic equipment's screen direction, should prevent falling the convex part and be L shape or arc structure, and should prevent falling the edge of convex part protrusion in this protective layer.
Further, the anti-falling convex part comprises a first connecting part and a protruding part connected with the first connecting part, the first connecting part is arranged on the lower surface of the protective layer, and the protruding part is arranged on the edge side of the protective layer.
Furthermore, the protective layer is of a planar structure matched with a screen of the electronic device, the upper surface of the protruding portion is flush with the upper surface of the protective layer, the lower surface of the first connecting portion is a plane, and the lower surface of the first connecting portion is provided with a step matched and connected with the adhesive layer.
Furthermore, the edge of the protective layer is of a curved surface structure matched with the screen of the electronic equipment, the curvature of the upper surface of the protruding portion is the same as that of the upper surface of the protective layer, and the lower surface of the first connecting portion is a curved surface matched with the screen of the electronic equipment.
Further, the anti-falling convex part also comprises a second connecting part, the second connecting part is connected with the protruding part, and the second connecting part is arranged on the upper surface of the protective layer.
Furthermore, the upper surface of the second connecting part is a curved surface and is in smooth transition with the upper surface of the protective layer.
Further, the protective film is of a plane structure matched with a screen of the electronic device, the lower surface of the anti-falling convex part is flush with the lower surface of the protective layer, and the upper surface of the anti-falling convex part is a curved surface and is in smooth transition with the upper surface of the protective layer.
Further, the edge of the protective film is of a curved surface structure matched with a screen of the electronic equipment, the lower surface and the upper surface of the anti-falling convex part are both curved surfaces matched with the screen of the electronic equipment, and the upper surface of the anti-falling convex part is in smooth transition with the upper surface of the protective layer.
Furthermore, a groove is formed in one side of the edge of the protective layer, and a protrusion which is matched and connected with the groove is arranged on one side, facing the protective layer, of the anti-falling convex part; or, a protrusion is arranged on one side of the edge of the protective layer, and a groove matched and connected with the protrusion is arranged on one side, facing the protective layer, of the anti-falling convex part.
Furthermore, a first bulge which is flush with the upper surface of the protective layer is arranged on one side of the edge of the protective layer, and a second bulge which is matched and connected with the first bulge is arranged on one side, facing the protective layer, of the anti-falling convex part; or a first bulge which is flush with the lower surface of the protective layer is arranged on one side of the edge of the protective layer, and a second bulge which is connected with the first bulge in a matched mode is arranged on one side, facing the protective layer, of the anti-falling convex part.
The utility model has the advantages that: the protection film includes protective layer, viscose layer and a plurality of and prevents falling the convex part, and one of them surface on viscose layer bonds with the protective layer, and another surface on viscose layer is used for laminating mutually with electronic equipment's screen, and the corner of protective layer is located respectively to a plurality of convex parts that prevent falling, just sees from the screen direction to electronic equipment, prevents falling the convex part and is L shape or arc structure, prevents falling the convex part protrusion in the edge of protective layer. Through set up the protrusion in the protection layer side prevent falling the convex part at protection layer corner to strengthen the corner of protection layer, when the cell-phone fell, prevent falling the convex part and have buffering absorbing effect, protection layer or cell-phone screen were broken into pieces when avoiding the cell-phone accident to drop.
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 portion of the enlarged structure at B in FIG. 2;
fig. 4 is a schematic top perspective view of a protective film according to a first embodiment of the present invention;
FIG. 5 is an enlarged partial schematic view of FIG. 4 at C;
fig. 6 is a schematic bottom perspective view of a protective film according to a first embodiment of the present invention;
FIG. 7 is an enlarged partial schematic view of FIG. 6 at D;
FIG. 8 is a schematic plan view of a protective film according to a second embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view at E-E of FIG. 8;
FIG. 10 is an enlarged partial schematic view of FIG. 9 at F;
fig. 11 is a schematic top perspective view of a protective film according to a second embodiment of the present invention;
FIG. 12 is a partially enlarged schematic view of FIG. 11 at G;
fig. 13 is a schematic bottom perspective view of a protective film according to a second embodiment of the present invention;
FIG. 14 is an enlarged partial schematic view of FIG. 13 at H;
FIG. 15 is a schematic cross-sectional view of a protective film according to a third embodiment of the present invention;
FIG. 16 is an enlarged partial schematic view of FIG. 15 at I;
fig. 17 is a schematic cross-sectional view of a protective film according to a fourth embodiment of the present invention;
FIG. 18 is an enlarged partial schematic view of FIG. 17 at J;
fig. 19 is a schematic cross-sectional view of a protective film according to a fifth embodiment of the present invention;
FIG. 20 is an enlarged partial view of FIG. 19 at K;
fig. 21 is a partially enlarged schematic structural view of a protective film according to a sixth embodiment of the present invention.
In the figure: the protective film 10, the protective layer 11, the groove 111, the first protrusion 112, the anti-falling protrusion 12, the first connection portion 121, the step 121a, the protrusion 122, the second connection portion 123, the protrusion 124, and the second protrusion 125.
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-a in fig. 1, fig. 3 is a schematic partial enlarged structure of B in fig. 2, fig. 4 is a schematic top-view three-dimensional structure of the protective film according to a first embodiment of the present invention, fig. 5 is a schematic partial enlarged structure of C in fig. 4, fig. 6 is a schematic bottom-view three-dimensional structure of the protective film according to a first embodiment of the present invention, and fig. 7 is a schematic partial enlarged structure of D in fig. 6.
As shown in fig. 1 to 7, 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, an adhesive layer (not shown) and a plurality of anti-falling convex portions 12, one of the surfaces of the adhesive layer is bonded to the protection layer 11, the other surface of the adhesive layer is used for being laminated with the screen of the electronic device, the plurality of anti-falling convex portions 12 are respectively disposed at corners of the protection layer 11, and when the screen of the electronic device is viewed from a right direction (an overlooking or upward viewing angle of the protection film), the anti-falling convex portions 12 are L-shaped or arc-shaped structures, and the anti-falling convex portions 12 protrude out of the edge 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) material. The anti-falling convex portion 12 may be made of the same material as the protective layer 11 and integrally formed with the protective layer 11, or the anti-falling convex portion 12 may be made of a flexible material and adhered to the protective layer 11, for example, made of soft glue (silica gel, rubber, UV glue, etc.), and then adhered to the protective layer 11. The adhesive layer is made of double-sided adhesive, such as oca (optically clear adhesive) optical adhesive or AB adhesive, and the protective layer 11 and the adhesive layer are provided with through holes corresponding to the receivers of the electronic device, so that users can listen to voice information conveniently.
In this embodiment, the number of the anti-falling convex portions 12 is four, and the four anti-falling convex portions 12 are respectively disposed at four corners of the protection layer 11 and are matched with the corners of the protection layer 11. The corners of the protective film 10 may be rounded, so the anti-falling convex portions 12 adopt an arc structure matching the rounded corners. The corner of the protective film 10 can also be a right angle, and the anti-falling convex part 12 correspondingly adopts an L-shaped structure matched with the right angle.
As shown in fig. 3, in the present embodiment, the anti-falling protrusion 12 includes a first connection portion 121, a second connection portion 123, and a protrusion 122 connecting the first connection portion 121 and the second connection portion 123, the first connection portion 121 is disposed on the lower surface of the protection layer 11, the second connection portion 123 is disposed on the upper surface of the protection layer 11, the protrusion 122 is disposed on the side surface of the protection layer 11, and the first connection portion 121, the second connection portion 123, and the protrusion 122 together form a mounting groove matched with the edge of the protection layer 11, so as to increase the connection strength between the anti-falling protrusion 12 and the protection layer 11.
In this embodiment, the protection layer 11 is a planar structure matched with a screen of an electronic device, that is, the protection film 10 is a planar film, the upper surface of the protruding portion 122 is flush with the upper surface of the protection layer 11, and the upper surface of the second connection portion 123 is a curved surface and smoothly transits to the upper surface of the protection layer 11, so as to increase the holding hand feeling of a user. The lower surface of the first connecting portion 121 is a plane, and the lower surface of the first connecting portion 121 is provided with a step 121a (fig. 7) connected to the adhesive layer in a matching manner, and preferably, the thickness of the adhesive layer is the same as the height of the step 121a, that is, the lower surface of the adhesive layer is flush with the lower surface of the first connecting portion 121.
In other embodiments, the thickness of the second connection part 123 is gradually thinner from the middle of the second connection part 123 toward both ends of the second connection part 123. The thickness of the protruding portion 122 gradually becomes thinner from the middle of the protruding portion 122 to the two ends of the protruding portion 122, that is, the side of the protruding portion 122 and the side of the protection layer 11 are smoothly transited, so as to avoid affecting the hand feeling of the user.
The protection film 10 further comprises a release film, and the release film is attached to the surface of the adhesive layer far away from the protection layer 11. Be located the lower surface of viscose layer from the type membrane promptly, be used for coveing dustproof from the type membrane to the viscose layer of protective layer 11 below before protective film 10 uses, the transportation of being convenient for is preserved, need tear earlier during the use from the type layer, makes the lower surface on viscose layer expose, then pastes on electronic equipment's screen.
[ example two ]
Fig. 8 is a schematic plan view of a protective film according to a second embodiment of the present invention, fig. 9 is a schematic sectional view of E-E in fig. 8, fig. 10 is a schematic partial enlarged view of F in fig. 9, fig. 11 is a schematic top perspective view of the protective film according to the second embodiment of the present invention, fig. 12 is a schematic partial enlarged view of G in fig. 11, fig. 13 is a schematic bottom perspective view of the protective film according to the second embodiment of the present invention, and fig. 14 is a schematic partial enlarged view of H in fig. 13.
As shown in fig. 8 to 14, a protection film 10 according to a second embodiment of the present invention is substantially the same as the protection film 10 according to the first embodiment (fig. 1 to 7), except that in this embodiment, the protection layer 11 is a curved surface structure matched with a screen of an electronic device, two side edges or a peripheral edge of the protection layer 11 are curved surface structures, and a middle portion of the protection layer 11 is a planar structure, that is, the protection film 10 is a curved surface film. At this time, the lower surface of the first connection part 121 is a curved surface (fig. 14) matching the screen of the electronic device, and the upper surface of the second connection part 123 is a curved surface (fig. 12) matching the screen of the electronic device.
Compared with the first embodiment, most of the existing electronic devices adopt the curved screen, and the curved screen can be better protected by adopting the curved protection film 10, and meanwhile, the holding hand feeling is increased.
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. 15 is a schematic cross-sectional view of a protective film according to a third embodiment of the present invention, and fig. 16 is an enlarged partial view of fig. 15 at I.
As shown in fig. 15 to 16, a protection film 10 according to a third embodiment of the present invention is substantially the same as the protection film 10 according to the second embodiment (fig. 8 to 14), except that, in the present embodiment, the anti-falling protrusion 12 is not provided with the second connecting portion 123 on the upper surface of the protection layer 11, the anti-falling protrusion 12 only includes the first connecting portion 121 and the protruding portion 122 connected to the first connecting portion 121, the first connecting portion 121 is provided on the lower surface of the protection layer 11, the protruding portion 122 is provided on the side surface of the protection layer 11, and the upper surface of the protruding portion 122 is the same as the upper surface curvature of the protection layer 11.
Of course, in other embodiments, when the protection film 10 is planar, the second connection portion 123 may not be disposed on the upper surface of the protection film 11, and the anti-falling protrusion 12 only includes the first connection portion 121 and the protrusion 122 connected to the first connection portion 121, which is not limited thereto.
Compared with the second embodiment, in the present embodiment, the second connection portion 123 is not disposed on the upper surface of the protection layer 11, and the connection strength between the protrusion portion 122 and the protection layer 11 is increased only by the first connection portion 121, so as to further increase the hand feeling of holding.
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 four ]
Fig. 17 is a schematic cross-sectional view of a protective film according to a fourth embodiment of the present invention, and fig. 18 is a schematic partially enlarged view of J in fig. 17.
As shown in fig. 17 to 18, a protection film 10 according to a fourth embodiment of the present invention is substantially the same as the protection film 10 according to the first embodiment (fig. 1 to 7), except that in this embodiment, the protection film 10 has a planar structure matched with a screen of an electronic device, a lower surface of the anti-falling protrusion 12 is flush with a lower surface of the protection layer 11, and an upper surface of the anti-falling protrusion 12 is a curved surface and is in smooth transition with an upper surface of the protection layer 11. That is, the first connection portion 121 is not provided on the lower surface of the protective layer 11, and the second connection portion 123 is not provided on the upper surface of the protective layer 11, and is connected to the side surface of the protective layer 11 only by the side surface of the anti-falling projection portion 12.
In other embodiments, the side surface of the anti-falling protrusion 12 may be a curved surface, and the side surface of the protection layer 11 is a curved surface matched with the anti-falling protrusion 12, so as to increase the contact area between the side surface of the anti-falling protrusion 12 and the side surface of the protection layer 11. Of course, referring to fig. 20, the side of the protective layer 11 may also be provided with a groove 111, and the side of the anti-falling projection 12 facing the protective layer 11 is provided with a protrusion 124 matching with the groove 11 to increase the connection strength between the anti-falling projection 12 and the protective layer 11.
Compared with the first embodiment, in the present embodiment, the second connecting portion 123 is not provided on the upper surface of the protection layer 11, and the first connecting portion 121 is not provided on the lower surface of the protection layer 11, so that the side surface of the anti-falling convex portion 12 is connected to the side surface of the protection layer 11, thereby further increasing the hand feeling of holding.
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.
[ example five ]
Fig. 19 is a schematic cross-sectional view of a protective film according to a fifth embodiment of the present invention, and fig. 20 is a schematic partially enlarged view of a portion K in fig. 19.
As shown in fig. 19 to 20, 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. 17 to 18), except that, in this embodiment, the protection film 10 is a curved surface structure matched with a screen of an electronic device, the lower surface and the upper surface of the anti-falling convex portion 12 are both curved surfaces matched with the screen of the electronic device, and the upper surface of the anti-falling convex portion 12 is in smooth transition with the upper surface of the protection layer 11.
As shown in fig. 20, further, the side surface of the protection layer 11 may also be provided with a groove 111, and the side of the anti-falling projection 12 facing the protection layer 11 is provided with a protrusion 124 matching with the groove, so as to increase the connection strength between the anti-falling projection 12 and the protection layer 11. Of course, the concave groove 111 may be provided on the side surface of the falling prevention protrusion 12, and the protrusion 124 may be provided on the side surface of the protection layer 11. Alternatively, the side surface of the anti-falling convex portion 12 may be a curved surface, and the side surface of the protective layer 11 is a curved surface that matches the anti-falling convex portion 12, so as to increase the contact area between the side surface of the anti-falling convex portion 12 and the side surface of the protective layer 11.
Compared with the fourth embodiment, most of the existing electronic devices adopt the curved screen, and the curved screen can be better protected by adopting the curved protection film 10, and meanwhile, the holding hand feeling is increased.
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. 21 is a partially enlarged schematic structural view of a protective film according to a sixth embodiment of the present invention.
As shown in fig. 21, the protection film 10 according to the sixth embodiment of the present invention is substantially the same as the protection film 10 according to the fifth embodiment (fig. 19 to 20), except that, in this embodiment, the edge side of the protection layer 11 is provided with a first protrusion 112 flush with the lower surface of the protection layer 11, and the side of the anti-falling protrusion 12 facing the protection layer is provided with a second protrusion 125 connected with the first protrusion 112 in a matching manner, that is, the edge side of the protection layer 11 and the side of the protection layer are provided with mutually matching steps, so as to increase the contact area between the side of the anti-falling protrusion 12 and the side of the protection layer 11, and improve the bonding strength.
Of course, in other embodiments, the edge side of the protection layer 11 is provided with a first protrusion 112 flush with the upper surface of the protection layer 11, and the side of the anti-falling convex part 12 facing the protection layer is provided with a second protrusion 125 in matching connection with the first protrusion 112.
Compared with the fifth embodiment, the fifth embodiment can reduce the processing difficulty and is more beneficial to processing production.
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 fifth embodiment, and the detailed description thereof is omitted here
In conclusion, protection film 10 includes protective layer 11, viscose layer and a plurality of convex part 12 of preventing falling, and one of them surface and the protective layer bonding on viscose layer, another surface on viscose layer are used for laminating mutually with electronic equipment's screen, and the corner of protective layer is located respectively to a plurality of convex parts of preventing falling, and from just seeing electronic equipment's screen direction, prevent falling convex part 12 and be L shape or arc structure, prevent falling convex part 12 protrusion in the edge of protective layer 11. The utility model discloses a set up protrusion in the protection layer 11 edge at protection layer 11 corner and prevent falling convex part 12 to strengthen the corner of protection layer 11, when the cell-phone fell, prevent that the convex part has the absorbing effect of buffering, protection layer 11 or cell-phone screen were broken into pieces when avoiding the cell-phone accident to drop.
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 (10)
1. The utility model provides a protection film for the laminating is on electronic equipment's screen, a serial communication port, this protection film (10) includes protective layer (11), the viscose layer and a plurality of convex part (12) of falling are prevented, one of them surface on this viscose layer bonds with this protective layer (11), another surface on this viscose layer is used for laminating mutually with electronic equipment's screen, the corner of this protective layer (11) is located respectively to a plurality of convex parts of falling (12) of should preventing, adjacent two should prevent that convex part (12) are spaced apart from each other, from just seeing electronic equipment's screen direction, should prevent that convex part (12) of falling are L shape or arc structure, and should prevent that convex part (12) of falling bulge in the edge of this protective layer (11).
2. The protective film according to claim 1, wherein the falling prevention protrusion (12) comprises a first connection portion (121) and a protrusion portion (122) connected to the first connection portion (121), the first connection portion (121) is provided on the lower surface of the protective layer (11), and the protrusion portion (122) is provided on the edge side of the protective layer (11).
3. The protective film according to claim 2, wherein the protective layer (11) is a planar structure matching with a screen of an electronic device, an upper surface of the protrusion (122) is flush with an upper surface of the protective layer (11), a lower surface of the first connecting portion (121) is a planar surface, and a step (121a) is disposed on the lower surface of the first connecting portion (121) and is connected to the adhesive layer in a matching manner.
4. The protective film according to claim 2, wherein the edge of the protective layer (11) is a curved structure matching with a screen of an electronic device, the upper surface of the protruding portion (122) has the same curvature as the upper surface of the protective layer (11), and the lower surface of the first connecting portion (121) is a curved surface matching with the screen of the electronic device.
5. Protective film according to claim 2, wherein the anti-falling projection (12) further comprises a second connecting portion (123), the second connecting portion (123) being connected to the projection (122), the second connecting portion (123) being provided on the upper surface of the protective layer (11).
6. The protective film according to claim 5, wherein the upper surface of the second connecting portion (123) is curved and smoothly transits to the upper surface of the protective layer (11).
7. The protective film according to claim 1, wherein the protective film (10) is a planar structure matching with a screen of an electronic device, a lower surface of the anti-falling convex portion (12) is flush with a lower surface of the protective layer (11), and an upper surface of the anti-falling convex portion (12) is a curved surface and smoothly transits to the upper surface of the protective layer (11).
8. The protective film according to claim 1, wherein the edge of the protective film (10) is a curved structure matching with a screen of an electronic device, the lower surface and the upper surface of the anti-falling convex portion (12) are both curved surfaces matching with the screen of the electronic device, and the upper surface of the anti-falling convex portion (12) is in smooth transition with the upper surface of the protective layer (11).
9. Protective film according to claim 1, wherein the protective layer (11) is provided with a groove (111) on one side of the edge, and the anti-falling projection (12) is provided with a protrusion (124) which is matched and connected with the groove (111) on one side facing the protective layer (11); or a bulge (124) is arranged on one side of the edge of the protective layer (11), and a groove (111) matched and connected with the bulge (124) is arranged on one side, facing the protective layer (11), of the anti-falling convex part (12).
10. The protective film according to claim 1, wherein one side of the edge of the protective layer (11) is provided with a first protrusion (112) flush with the upper surface of the protective layer (11), and one side of the anti-falling convex part (12) facing the protective layer is provided with a second protrusion (125) in fit connection with the first protrusion (112); or a first bulge (112) which is flush with the lower surface of the protective layer (11) is arranged on one side of the edge of the protective layer (11), and a second bulge (125) which is matched and connected with the first bulge (112) is arranged on one side, facing the protective layer, of the anti-falling convex part (12).
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CN202020173710.5U CN211702122U (en) | 2020-02-14 | 2020-02-14 | Protective film |
Applications Claiming Priority (1)
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CN202020173710.5U CN211702122U (en) | 2020-02-14 | 2020-02-14 | Protective film |
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