CN110901186A - Curved surface protection film and curved surface screen - Google Patents
Curved surface protection film and curved surface screen Download PDFInfo
- Publication number
- CN110901186A CN110901186A CN201911071420.8A CN201911071420A CN110901186A CN 110901186 A CN110901186 A CN 110901186A CN 201911071420 A CN201911071420 A CN 201911071420A CN 110901186 A CN110901186 A CN 110901186A
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- Prior art keywords
- curved surface
- curved
- protection film
- surface protection
- protective film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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Abstract
The utility model provides a curved surface protection film and curved surface screen, curved surface protection film include plane portion and by the outside flexion that extends of at least both sides side of plane portion, the flexion is including the first flexion that is close to plane portion edge, the thickness of first flexion is less than plane portion's thickness. The thickness through with first flexion sets up to be less than planar portion's thickness to improve the adhesion of first flexion, be favorable to the curved surface protection film to laminate completely at first flexion and curved surface cover glass, effectively improve the protection film edge and lead to its edge to stick up hard, reduced the attached perk defective rate of curved surface, shortened verification cycle.
Description
Technical Field
The disclosure relates to the technical field of display, in particular to a curved surface protection film and a curved surface screen.
Background
The sticking and tilting of a curved-surface Cover Glass (CG) protective film is a common defect in the industry at present, and the hidden trouble caused by the defect is that bubbles are generated in the protective film and the curved-surface Cover Glass is scratched, so that the appearance of a product is greatly influenced, and CG protective film manufacturers generally improve the two aspects of reducing the material strength of the protective film and increasing the adhesion degree of the protective film so as to reduce the sticking and tilting rate of the CG protective film.
However, in the actual test process, a long verification period is required for improvement in terms of both the reduction of the strength of the protective film material and the increase of the adhesion of the protective film, and the success rate of peeling the protective film from the base tape is reduced while the sticking lift-off rate is reduced.
In summary, it is desirable to provide a novel curved surface protection film and a curved surface screen to solve the above technical problems.
Disclosure of Invention
The disclosure provides a curved surface protection film and a curved surface screen, which solve the technical problem that the curved surface protection film in the prior art is easy to stick and tilt.
In order to solve the above problems, the technical solution provided by the present disclosure is as follows:
the embodiment of the disclosure provides a curved surface protection film, which comprises a plane part and a bending part extending outwards from at least two sides of the plane part;
wherein the bend includes a first bend near an edge of the planar segment, the first bend having a thickness less than a thickness of the planar segment.
According to the curved surface protection film provided by the embodiment of the present disclosure, the bending portion further includes a second bending portion connected to the first bending portion, and the first bending portion is located between the planar portion and the second bending portion.
According to the curved surface protection film provided by the embodiment of the disclosure, the bending part is formed by extending outwards from two oppositely arranged side edges of the plane part.
According to the curved surface protection film provided by the embodiment of the disclosure, the bending portion is formed by extending the periphery of the plane portion outwards, and the first bending portion and the second bending portion are both in a square ring structure.
According to the curved surface protection film provided by the embodiment of the disclosure, the second bending portion is provided with at least one opening.
According to the curved surface protection film provided by the embodiment of the disclosure, the size of the opening depends on the curvature of the curved surface protection film, wherein the curvature of the curved surface protection film is the bending degree of the bending part compared with the plane part.
According to the curved surface protection film provided by the embodiment of the disclosure, the thickness of the second bending portion is greater than that of the first bending portion, and the thickness of the second bending portion is smaller than that of the planar portion.
According to the curved surface protection film provided by the embodiment of the disclosure, the flat surface part is made of tempered glass, and the bent part is made of transparent plastic.
According to the curved surface protection film provided by the embodiment of the disclosure, when the curved surface protection film is unfolded, the upper surface of the flat portion and the upper surface of the bent portion are not on the same plane.
The disclosed embodiment provides a curved screen, which comprises the curved protective film; and
the curved surface cover glass, the curved surface protection film is attached to curved surface cover glass completely.
The beneficial effects of this revelation do: the utility model provides a curved surface protection film and curved surface screen, the curved surface protection film includes plane portion and the flexion that extends outward by plane portion's at least both sides side, the flexion is including the first flexion that is close to plane portion edge, thickness through with first flexion sets up to be less than plane portion's thickness, thereby improve the adhesion of first flexion, be favorable to the curved surface protection film to laminate completely at first flexion and curved surface cover glass, effectively improve the protection film edge and lead to its edge perk excessively hard, the attached perk defective rate of curved surface has been reduced, the verification cycle has been shortened.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some of the disclosed embodiments, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic view illustrating attachment of a curved surface protection film and a curved surface cover glass according to an embodiment of the disclosure;
fig. 2 is a schematic plane structure diagram of a curved surface protection film according to an embodiment of the disclosure;
FIG. 3 is a schematic cross-sectional view of the curved surface protection film of FIG. 2;
fig. 4 is a schematic plane structure diagram of another curved surface protection film according to an embodiment of the disclosure.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the disclosure may be practiced. Directional phrases used in this disclosure, such as [ upper ], [ lower ], [ front ], [ back ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., refer only to the directions of the attached drawings. Accordingly, the directional terms used are used for the purpose of illustration and understanding of the present disclosure, and are not used to limit the present disclosure. In the drawings, elements having similar structures are denoted by the same reference numerals.
This revelation is to prior art's curved surface protection film sticking and tilting easily appears, and this defect can be solved to this embodiment.
Fig. 1 is a schematic view illustrating that a curved surface protection film 1 and a curved surface cover glass 2 are attached according to an embodiment of the present disclosure, where the curved surface protection film 1 includes a planar portion 10 and a curved portion 20 extending outward from at least two sides of the planar portion 10, the curved surface protection film 1 is used for being attached to the curved surface cover glass 2, so as to protect the curved surface cover glass 2 from being damaged by the outside, the planar portion 10 protects a main body of the curved surface cover glass 2, and the curved portion 20 protects a curved surface of the curved surface cover glass 2.
The whole shape size and the curved surface cover glass 2 looks adaptation of curved surface protection film 1, promptly the shape size and the curved surface of curved surface cover glass 2 looks adaptation of flexion 20, the shape size and the curved surface cover glass 2's of plane portion 10 main part looks adaptation, the curved surface cover glass 2 of different grade type correspond different shapes curved surface protection film 1, thereby make curved surface protection film 1 is inseparabler with curved surface cover glass 2 laminating ground, and is more abundant to curved surface cover glass 2's protection simultaneously.
As shown in fig. 2, which is a schematic plane structure diagram of the curved surface protection film 1 according to the embodiment of the disclosure, the curved portion 20 is formed by extending two oppositely disposed side surfaces of the planar portion 10 outward, and is adapted to the curved surface protection film 1 and is 2.5D curved surface cover glass, and the curved surface protection film 1 can better protect curved surfaces on two sides of the curved surface cover glass 2.
With reference to fig. 3 and fig. 3, the cross-sectional structure of the curved surface protection film 1 according to the embodiment of the disclosure is schematically illustrated, the curved portion 20 includes a first curved portion 201 close to the edge of the planar portion 10, and the thickness of the first curved portion 201 is smaller than that of the planar portion 10, so that the strength of the first curved portion 201 is reduced, on one hand, the curved surface protection film 1 can be bent more conveniently in the using process, on the other hand, the adhesion between the first curved portion 201 and the curved surface cover glass 2 can be improved, which is beneficial to completely attaching the curved surface protection film 1 to the first curved portion 201 and the curved surface cover glass 2, and effectively prevents the curved surface protection film 1 from the edge tilting phenomenon caused by the excessive hardness of the edge of the curved surface protection film 1.
The bending portion 20 further includes a second bending portion 202 connected to the first bending portion 201, the first bending portion 201 is located between the planar portion 10 and the second bending portion 202, the second bending portion 202 is used for protecting the edge of the curved cover glass 1 from being damaged, and meanwhile, the second bending portion 202 is used for facilitating the peeling of the curved cover glass 1.
Specifically, the thickness of the second bent portion 202 is greater than the thickness of the first bent portion 201, and the thickness of the second bent portion 202 is less than the thickness of the planar portion 20.
It is understood that the width of the first bending portion 201 depends on the bending radius of the bending portion 20, and when the bending radius of the bending portion 20 is larger, the width of the first bending portion 201 is larger; when the bending radius of the bending part 20 is small, the width of the first bending part 201 is small.
Fig. 4 is a schematic plane structure diagram of another curved surface protection film 1 according to an embodiment of the present disclosure, where the curved surface protection film 1 includes the planar portion 10 and the curved portion 20, the curved portion 20 includes the first curved portion 201 and the second curved portion 202, and is different from the curved surface protection film 1 in fig. 2 and 3 in that the curved portion 20 is formed by extending the planar portion 10 outwards, the first curved portion 201 and the second curved portion 202 are both in a square ring structure, and a 3D cover glass is matched with the curved surface protection film 1, and the curved surface protection film 1 can better protect a curved surface around the curved surface cover glass.
Because the curved surface protection film 1 with the bending portion 20 arranged on the periphery is more difficult to peel off than the curved surface protection film 1 with the bending portions 20 arranged on two sides, at least one opening 30 is arranged on the second bending portion 202, the opening 30 is arranged in the corner area of the second bending portion 202 and extends to the first bending portion 201, and the peeling difficulty can be reduced.
Further, in the embodiment of the present disclosure, the openings 30 are respectively disposed at four corner regions of the second bending portion 202, and when the peeling operation is performed, the curved surface protection film 1 can be peeled from the four corner regions through the openings 30, so that the peeling speed is increased, and the efficiency is improved.
Wherein the size of the opening 30 depends on the curvature of the curved surface protection film 1, wherein the curvature of the curved surface protection film 1 is the bending degree of the bending portion 20 compared with the plane portion 10, that is, when the curvature of the curved surface protection film 1 is larger, the size of the opening 30 should be correspondingly set larger; when the curvature of the curved surface protection film 1 is small, the size of the opening 30 should be set small accordingly.
The material of the flat portion 10 and the material of the bent portion 20 may be different. Optionally, the flat part 10 is made of tempered glass, the curved part 20 is made of transparent plastic PET, and the flat part 10 made of tempered glass protects the main body of the curved cover glass 2, so that better anti-falling and anti-scraping effects are achieved; meanwhile, the bending part 20 made of transparent plastic is completely attached to the curved surface of the curved surface cover glass 2, so that better attaching and protecting effects are achieved.
Specifically, the bending portion 20 is integrally formed with the planar portion 10 to enhance the connection strength between the bending portion 20 and the planar portion 10, so that the turning point between the bending portion 20 and the planar portion 10 is smoother and more natural, and cracks are prevented from being generated at the turning point between the bending portion 20 and the planar portion 10 during use.
It should be noted that, in the embodiment of the present disclosure, the upper surface of the planar portion 10 and the upper surface of the curved portion 20 are located on the same plane when the curved surface protection film 1 is unfolded, that is, when the curved surface protection film 1 is attached to the curved surface cover glass 2, the curved portion 20 needs to be bent so that the curved surface protection film 1 and the curved surface cover glass 2 can be completely attached to each other, so as to sufficiently protect the curved surface cover glass 2.
Further, in other embodiments, when the curved surface protection film 1 is unfolded, the upper surface of the planar portion 10 and the upper surface of the curved portion 20 may not be in the same plane, that is, when the curved surface protection film 1 needs to be attached to the curved surface cover glass 2, the curved surface protection film 1 can be attached to the curved surface cover glass 2 without bending, so that the bending step is omitted, and cracks are prevented from being generated at the turning point of the curved portion 20 and the planar portion 10; at the same time, the bent portion 20 can be prevented from sticking and lifting.
This revelation embodiment still provides a curved surface screen, curved surface screen includes above-mentioned curved surface protection film 1 and curved surface cover glass 2, curved surface protection film 1 attached in completely on the curved surface cover glass 2, the whole shape size and the curved surface cover glass 2 looks adaptation of curved surface protection film 1, promptly the shape size and the curved surface looks adaptation of curved surface cover glass 2 of flexion 20, the shape size and the curved surface cover glass 2's of plane portion 10 main part looks adaptation, the curved surface cover glass 2 of different grade type correspond different shapes curved surface protection film 1, thereby make curved surface protection film 1 is inseparabler with curved surface cover glass 2 laminating ground, and is more abundant to curved surface cover glass 2's protection simultaneously.
The beneficial effects are that: the curved surface protection film and curved surface screen that this disclosure embodiment provided, the curved surface protection film includes plane portion and the flexion that extends outward by plane portion's at least both sides side, the flexion is including the first flexion that is close to plane portion edge, thickness through with first flexion sets up to be less than plane portion's thickness, thereby improve the adhesion of first flexion, be favorable to the curved surface protection film to laminate completely at first flexion and curved surface cover glass, effectively improve protection film edge and lead to its edge perk hard, the attached perk defective rate of curved surface has been reduced, the verification cycle has been shortened.
In summary, although the present disclosure has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present disclosure, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, so that the scope of the present disclosure is defined by the appended claims.
Claims (10)
1. The curved surface protection film is characterized by comprising a plane part and a bending part extending outwards from at least two sides of the plane part;
wherein the bend includes a first bend near an edge of the planar segment, the first bend having a thickness less than a thickness of the planar segment.
2. The curved surface protective film according to claim 1, wherein the bent portion further comprises a second bent portion connected to the first bent portion, and the first bent portion is located between the planar portion and the second bent portion.
3. The curved surface protective film according to claim 2, wherein the curved portion is formed by two oppositely disposed sides of the planar portion extending outwardly.
4. The curved surface protective film according to claim 2, wherein the curved portion is formed by extending outward from a periphery of the planar portion, and each of the first curved portion and the second curved portion has a square ring structure.
5. The curved surface protective film according to claim 4, wherein the second curved portion has at least one opening.
6. The curved surface protective film according to claim 5, wherein the size of the opening depends on the size of the curvature of the curved surface protective film, wherein the curvature of the curved surface protective film is the degree of bending of the curved portion compared to the planar portion.
7. The curved surface protective film according to claim 2, wherein a thickness of the second bent portion is larger than a thickness of the first bent portion, and the thickness of the second bent portion is smaller than a thickness of the planar portion.
8. The curved surface protection film according to claim 1, wherein the material of the flat surface portion is tempered glass, and the material of the curved portion is transparent plastic.
9. The curved surface protective film according to claim 1, wherein the upper surface of the flat surface portion and the upper surface of the curved portion are not on the same plane when the curved surface protective film is unfolded.
10. A curved screen comprising the curved protective film of any one of claims 1-9; and
the curved surface cover glass, the curved surface protection film is attached to curved surface cover glass completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071420.8A CN110901186A (en) | 2019-11-05 | 2019-11-05 | Curved surface protection film and curved surface screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911071420.8A CN110901186A (en) | 2019-11-05 | 2019-11-05 | Curved surface protection film and curved surface screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110901186A true CN110901186A (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911071420.8A Pending CN110901186A (en) | 2019-11-05 | 2019-11-05 | Curved surface protection film and curved surface screen |
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| Country | Link |
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| CN (1) | CN110901186A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534240A (en) * | 2020-04-21 | 2020-08-14 | 武汉华星光电半导体显示技术有限公司 | Curved screen protection film and curved cover plate |
| CN111739413A (en) * | 2020-06-03 | 2020-10-02 | Oppo广东移动通信有限公司 | Terminal device, flexible screen and flexible display substrate |
| CN111816080A (en) * | 2020-07-24 | 2020-10-23 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN111909625A (en) * | 2020-08-13 | 2020-11-10 | 业成科技（成都）有限公司 | Protective film, curved surface structure and protective film attaching method |
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| CN111534240A (en) * | 2020-04-21 | 2020-08-14 | 武汉华星光电半导体显示技术有限公司 | Curved screen protection film and curved cover plate |
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| CN111909625A (en) * | 2020-08-13 | 2020-11-10 | 业成科技（成都）有限公司 | Protective film, curved surface structure and protective film attaching method |
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