CN110295016A - Protective film and panel assembly - Google Patents
Protective film and panel assembly Download PDFInfo
- Publication number
- CN110295016A CN110295016A CN201910594273.6A CN201910594273A CN110295016A CN 110295016 A CN110295016 A CN 110295016A CN 201910594273 A CN201910594273 A CN 201910594273A CN 110295016 A CN110295016 A CN 110295016A
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- Prior art keywords
- protective film
- area
- adhesion zone
- reflexed
- bent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention relates to a kind of protective film and panel assemblies; the protective film; it include: the first adhesion zone, the first bent area and the second adhesion zone successively to connect; first adhesion zone attaches on the first surface; first bent area is attached on the curved surface, and second adhesion zone is attached on the second surface;Wherein, the surface that first bent area is used to be in contact with the curved surface is equipped with the first concave inward structure; it is closer to be bonded first adhesion zone and second adhesion zone with the first surface, second surface respectively to reduce the protective film generated bending stress when first bent area is bent.
Description
Technical field
The present invention relates to panel protective device fields, more particularly to a kind of protective film and panel assembly.
Background technique
As shown in Figure 1, avoiding 200 surface of touch panel to protect to touch panel 200 (Touch Panel)
It is scratched, or is made dirty by external dirty pollution, and cause product appearance bad, in touch panel shipment, it will usually touch
The surface for controlling panel 200 attaches a protective film 10.In actual product, the material of protective film 10 cannot too soft it is necessary to have one
Fixed hardness, for such protective film 10 when being attached on 3D curved surface similar to Figure 1, protective film 10 generates bullet in bending place
Power, this will lead to protective film tilting, can not be bonded with the surface curvature of knee two sides, and then may lead dirty or scratched
The generation of the problems such as touch panel.
Summary of the invention
Based on this, it is necessary to aiming at the problem that when protective film is sticked in curved surface to tilt, provide a kind of protective film and
Panel assembly.
A kind of protective film, can be attached to bending product on, the bending product with first surface, second surface and
The curved surface of first surface and second surface is connected, the protective film includes: the first adhesion zone successively to connect, the first bending
Area and the second adhesion zone, first adhesion zone attach on the first surface, and first bent area is attached to described curved
In curved surface, second adhesion zone is attached on the second surface;Wherein, first bent area and the curved surface
The surface being in contact is equipped with the first concave inward structure, generated curved when first bent area is bent to reduce the protective film
Transverse stress, to be bonded first adhesion zone and second adhesion zone with the first surface, second surface respectively
It is closer.
Further, first concave inward structure includes spaced multiple first hole locations, multiple first hole locations
Linear arrangement.
Further, the linear arragement direction of each first hole location is parallel with first direction, wherein the first direction
For the length direction of the intersection in firstth area and first bent area;And/or each first hole location runs through the guarantor
Cuticula.
Further, first concave inward structure includes the surface that the protective film is arranged in for contacting with the product
On elongated slot, and on the length direction of the elongated slot, the elongated slot runs through the protective film;And/or the first indent knot
The number of structure is more than or equal to 2, is spaced setting between each first concave inward structure.
Further, the protective film further includes reflexed area, and the reflexed area connects with first adhesion zone, is used for
First adhesion zone is sticked after the first surface of the product, a lateral bending of the Xiang Suoshu product far from the protective film
Folding;Wherein, between the reflexed area and first adhesion zone be equipped with the second bent area, second bent area be used for it is described
The surface that curved surface is in contact is equipped with the second concave inward structure, to reduce bending of the protective film at second bent area
Stress.
Further, the direction of the reflexed area to first adhesion zone and first adhesion zone to second patch
The direction in attached area is orthogonal;And/or the reflexed area includes the first reflexed region and the second reflexed region, wherein described the
One reflexed region, first adhesion zone, second reflexed region successively connect.
Further, first adhesion zone and second bent area joint are equipped with opening, wherein the opening by
First adhesion zone is opened up close to the side in the reflexed area, and into first adhesion zone.
Further, the width of the opening is 0.5mm to 1.5mm, wherein the width of the opening refers to the opening
By the size on first adhesion zone to first bent area direction;And/or the length of the opening is 1mm to 2mm,
Wherein, the length of the opening refers to the length extended in first adhesion zone;And/or the opening is U-shaped opening.
Further, the protective film further includes tear-off area, and the tear-off area connects with the reflexed area, and is located at described
Side of the reflexed area far from first adhesion zone.
A kind of panel assembly, comprising: touch panel;Protective film is sticked on the touch panel, and the protective film is as above
Described in any one.
Protective film provided by the invention when being attached at the curved surface with 3D curved surface, the first bending of protective film it is bent with
The bending place of curved surface is corresponding, and the first adhesion zone and the second adhesion zone are sticked respectively in the two sides of curved surface bending place
On surface, it is equipped with the first concave inward structure since the first bending is bent, so protection can be reduced when protective film is bent at bent area
The bending stress of film, i.e. reduction the protective film generated elastic force after the bending of the first bent area, so as to protective film and bending
Surface is bonded closer, avoids protective film from tilting the appearance of phenomenon, curved surface is effectively avoided to be dirty or be scratched.
Detailed description of the invention
Fig. 1 is the schematic diagram that existing protective film cooperates with the panel with curved surface;
Fig. 2 is the lateral plan of protective film provided in an embodiment of the present invention;
Fig. 3 is the front view of protective film provided in an embodiment of the present invention;
Fig. 4 be another embodiment of the present invention provides protective film front view.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as the similar languages such as " be fixed on, be installed on, or being set to " another element
When, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection or
Connect " another element, it can be directly to another element or may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Figures 1 and 2, in the present embodiment, protective film 100 includes the colloid 2 on membrane body 1, and setting membrane body 1,
Membrane body 1 is set to be sticked on the surface of touch panel 200 by colloid 2.Specifically, in the present embodiment, membrane body 1 has setting of supporting or opposing
First surface 11 and second surface 12, colloid 2 is arranged on the second surface 12 of membrane body 1, i.e., the second surface 12 of membrane body 1 with
Touch panel 200 contacts.In actual use, protective film 100 mainly protects the front 201 of touch panel 200, namely
Protective film 100 is sticked on the front 201 of touch panel 200.
As shown in Figure 1, touch panel may be a bending product, the i.e. front 201 of touch panel 200 in actual product
For 3D flexure plane, at this point, 2011 two sides of curved surface that front 201 can be divided into are respectively first surface 2012 and second surface
2013, wherein first surface 2012 and second surface 2013 are plane.
In order to make to be preferably bonded together between membrane body 1 and the flexure plane of touch panel 200, as shown in figure 3, in this reality
It applies in example, membrane body 1 includes the first adhesion zone 14 successively to connect, (i.e. membrane body 1 is located in figure in dotted line frame C for the first bent area 13
Region) and the second adhesion zone 15.Wherein, the first bent area 13 is used for surface (the i.e. second surface contacted with touch panel 200
12 are located at the part of the first bent area) it is equipped with the first concave inward structure 130, institute is bent at the first bent area 13 to reduce membrane body 1
The bending stress of generation.
When pasting protective film 100, the first adhesion zone 14 is sticked on the first surface 2012 of touch panel 200, the first bending
Area 13 is attached on the curved surface 2011 of touch panel 200, and the second adhesion zone 15 is sticked in the second surface of touch panel 200
2013。
It should be understood that protective film 100 is sticked after the front 201 of touch panel 200, membrane body 1 also can be with touch-control
Panel 200 is bent together, i.e., the first bent area 13 of membrane body 1 can be bent with curved surface 2011, but due to first curved
Folding area 13 is equipped with the first concave inward structure 130, can reduce the bending stress of membrane body 1, i.e. reduction protective film 100 is in the first bent area
Generated elastic force after 13 bendings, so as to so that the first adhesion zone 14 and first surface 2012 and the second adhesion zone 15 and the
Attached between two surfaces 2013 it is closer, avoid protective film 100 tilt phenomenon appearance, effectively avoid 200 quilt of touch panel
It makes dirty or is scratched.
As shown in figure 3, in the present embodiment, the first bent area 13, the first adhesion zone 14 and the second adhesion zone 15 are
Rectangular area, i.e., and of same size, i.e. three's rectangle for forming another large area of three.In addition, in the present embodiment, it is fixed
The length direction of the intersection of adopted first adhesion zone 14 and the first bent area 13 is first direction A, and is defined by the first adhesion zone 14
Direction to the first bent area 13 is second direction B, at this point, first direction A is vertical with second direction B.
As shown in figure 3, in the present embodiment, the first concave inward structure 130 includes being arranged in the first hole 131 of multiple intervals, this
A little linearly arrangements of first hole location 131.In the present embodiment, the first concave inward structure 130 is similar to a dotted line, using this similar
Process velocity can be improved in the structure setting of dotted line formula.In addition, in the present embodiment, the linear arrangement of these the first hole locations 131
Direction is parallel with first direction A.In other embodiments, the linear arragement direction of the first hole location 131 is also possible to and first party
Vertically or in other angles it is arranged to A.
In the present embodiment, the first hole location 131 is rectangular opening, and runs through membrane body 1, and certainly, the first hole location can also
To be the hole of circular hole or other shapes.Meanwhile in the present embodiment, the specification of each first hole location 131 is consistent, each first hole location
Spacing between 131 is identical, and when production, the first hole location 131 can be made of placements such as punchings.In addition, in the present embodiment,
The width of first bent area 13 is greater than the width of rectangular opening, i.e. size of the first bent area 13 on second direction B is greater than rectangle
Size of the hole on second direction B, it is possible to understand that, in other embodiments, the width of the first bent area 13 is also possible to
In the width of rectangular opening.
In actual product, the curved surface 2011 of touch panel 200 usually has certain radian, in order to make protective film
100 can preferably be attached on the front 201 of touch panel 200, as shown in figure 3, in the present embodiment, the first bent area 13
Place is set there are two the first concave inward structure 130, the two first concave inward structures 130 interval is arranged, i.e., in the present embodiment, membrane body 1
The region opposite with the same curved surface 2011 of touch panel 200, while setting there are two the first concave inward structure 130, it uses
When two the first concave inward structures 130 between region and the cambered surface of curved surface 2011 fit together.
In the present embodiment, the two first concave inward structures 130 are respectively as the first adhesion zone 14 and the first bent area 13
And second adhesion zone 15 and the first bent area 13 line of demarcation.It should be understood that in other embodiments, the first bent area 13
The number for the first concave inward structure 130 being arranged is also possible to multiple.
As shown in figure 3, in the present embodiment, membrane body 1 is additionally provided with reflexed area 16 (being defined as the first reflexed area), reflexed area 16
Connect with the first adhesion zone 14, for being sticked after the second surface 2013 of touch panel 200 in the first adhesion zone 14, to touching
202 side of the back side bending for controlling panel 200, can make stronger Nian Jie with touch panel 200 in the first adhesion zone 14 in this way.
Further, it is bent to be more convenient for reflexed area 16 to the back side of touch panel 200 202, in the present embodiment, instead
The second bent area 17 is additionally provided between folding area 16 and the first adhesion zone 14 (i.e. membrane body is located at the region in dotted line frame D), wherein the
The second concave inward structure 170 is provided at two bent areas 17 to reduce membrane body 1 in the bending stress of the second bent area 17.In this implementation
In example, the second concave inward structure is also provided on second surface 12, and the second concave inward structure 170 includes multiple intervals and linearly arranges
The second hole location 171, wherein these second hole locations 171 are arranged along second direction B, and the set-up mode of the second hole location 171
It can be identical as the first hole location 131.At this point, the width of the second hole location 171 can also with the width equal to the second bent area 17, i.e.,
The size on A is equal to size of second hole location 171 in a first direction on A in a first direction for second bent area 17.
As shown in figure 3, in the present embodiment, the side of the first adhesion zone 14 is arranged in reflexed area 16, i.e., by reflexed area 16
Direction to the first adhesion zone 14 is parallel with first direction A.
Further, in the present embodiment, reflexed area 16 includes the first reflexed region 161 and the second reflexed region 162.Its
In, the two sides of the first adhesion zone 14 are separately positioned in the first reflexed region 161 and the second reflexed region 162, i.e., in first party
To on A, the first reflexed region 161, the first adhesion zone 14,162 three of the second reflexed region successively connect.In addition, in this implementation
In example, the second bent area 17 is two, is located at the first reflexed region 161 and the first adhesion zone 14 and the second reflexed region
Between 162 first adhesion zones 14.
In the present embodiment, the first reflexed region 161, the second reflexed region 162 and the second bent area 17 are rectangle
Region, at this point, the substantially t-shaped structure of entire membrane body 1.
It should be understood that in other embodiments, reflexed area 16 is also possible to be arranged in the first adhesion zone 14 far from first
The side of adhesion zone 14, i.e. reflexed area 16 and the first adhesion zone 14 successively connect on second direction B.
As shown in figure 3, in the present embodiment, the second bent area 17 and 14 joint of the first adhesion zone are equipped with opening 18,
In, opening 18 is opened up by the first adhesion zone 14 close to the side of the second bent area 17, and is attached along by reflexed area 16 to the first
The direction in area 14 extends, i.e., extends along the direction parallel with first direction A.
Specifically, in the present embodiment, the contact position of the first reflexed region 161 and the second adhesion zone 15 is equipped with opening 18,
The contact position of second reflexed region 162 and the second adhesion zone 15 also is provided with opening 18 namely the two sides of the second adhesion zone 15 are all provided with
There is opening 18, generated bending stress when the bending of Flip Zone can be further decreased in this way.
In the present embodiment, be open 18 width substantially 0.5mm between 1.5mm, length substantially 1mm to 2mm it
Between, wherein 18 width of being open refers to the length on second direction B of being open, and 18 length of being open refers to opening 18 first
Length on the A of direction.In addition, in the present embodiment, opening 18 is set as U-shaped in order to avoid the problems in stress collection.
It should be understood that in the present embodiment, another reflexed area (being defined as the second reflexed area) can also be arranged in membrane body 1,
The reflexed area connects with the second adhesion zone 15, to be attached to the first surface 2012 of touch panel 200 in the second adhesion zone 15
The back side 202 of backward touch panel 200 is bent, and keeps the second adhesion zone 15 bonding with touch panel 200 stronger.In addition, the
The structure setting in two reflexed areas and its, the present embodiment all similar with the setting in the first reflexed area to the connection relationship of peripheral parts
Repeated explanation is not done herein.
As shown in figure 3, in the present embodiment, membrane body 1 further includes tear-off area 19.Tear-off area 19 connects with reflexed area 16, and
Side positioned at reflexed area 16 far from the second adhesion zone 15, the effect in tear-off area 19 is primarily to facilitate user to exert a force will protect
Cuticula 100 is removed from touch panel 200.The setting in tear-off area 19 is similar to Yi Sizhi, and user is facilitated to find the point of application.At this
In embodiment, tear-off area 19 can be by one will not be bonded with touch panel 200 film 3 be pasted on colloid 2 and formed, or
Person's tear-off area 19 is also possible to not be coated with colloid 2 on membrane body 1 and formed.
In the present embodiment, the number in tear-off area 19 be two respectively with the first reflexed region 161, the second reflexed region
162 connect.In addition tear-off area 19 is additionally provided with color identifier, to identify user quickly.
In the present embodiment, membrane body 1 is adopted as PET film material, protective film 100 can be made preferably to touch panel in this way
200 provide protection.
It should be understood that in other embodiments, the first concave inward structure 130 can also use other set-up modes, such as
As shown in figure 4, first concave inward structure 130 is that 1 second surface 12 of membrane body is arranged in another embodiment provided by the invention
Long slot structure 132.Long slot structure 132 is not through the first surface to membrane body 1, and long slot structure 132 runs through on A in a first direction
Membrane body 1, in addition, the width of long slot structure 132 can be the width equal to the first bent area 13, i.e., the first bent area 13 is second
Size on the B of direction is equal to size of the long slot structure 132 on second direction B.
Certainly, in the present embodiment, the second concave inward structure 170 is also possible to long slot structure 172, length direction and second
Direction B is parallel, and runs through membrane body 1 on second direction B, the width of long slot structure 172 can also be equal to the second bent area 17
Width, i.e. the size on A is equal to size of the long slot structure 172 in a first direction on A in a first direction for the second bent area 17.
The embodiment of the present invention also provides a kind of panel assembly, which includes that touch panel 200 and being sticked is touching
Control the protective film 100 on panel 200, wherein protective film 100 is as described in above-mentioned any embodiment.
It should be understood that in other embodiments, touch panel 200 is also possible to other and needs to paste protective film 100
Product.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of protective film can be attached on bending product, the bending product has first surface, second surface and company
Connect the curved surface of first surface and second surface, which is characterized in that the protective film includes:
The first adhesion zone, the first bent area and the second adhesion zone successively to connect, first adhesion zone are attached to described first
On surface, first bent area is attached on the curved surface, and second adhesion zone is attached on the second surface;
Wherein, the surface that first bent area is in contact with the curved surface is equipped with the first concave inward structure, described in reducing
Protective film generated bending stress when first bent area is bent, to make first adhesion zone and second patch
Attached area is bonded with the first surface, second surface closer respectively.
2. protective film according to claim 1, which is characterized in that first concave inward structure includes spaced multiple
First hole location, multiple first hole locations are linearly arranged.
3. protective film according to claim 2, which is characterized in that the linear arragement direction and first of each first hole location
Direction is parallel, wherein the first direction is the length direction of the intersection of firstth area and first bent area;And/or
Each first hole location runs through the protective film.
4. protective film according to claim 1, which is characterized in that first concave inward structure includes being arranged in the protection
The elongated slot on surface that film is used to contact with the product, and on the length direction of the elongated slot, the elongated slot is through described
Protective film;And/or
The number of first concave inward structure is more than or equal to 2, is spaced setting between each first concave inward structure.
5. protective film according to claim 1, which is characterized in that the protective film further includes reflexed area, the reflexed area
Connect with first adhesion zone, for being sticked after the first surface of the product in first adhesion zone, Xiang Suoshu
Product is bent far from the side of the protective film;
Wherein, between the reflexed area and first adhesion zone be equipped with the second bent area, second bent area with it is described curved
The surface that curved surface is in contact is equipped with the second concave inward structure, is answered with reducing bending of the protective film at second bent area
Power.
6. protective film according to claim 5, which is characterized in that the direction in the reflexed area to first adhesion zone with
The direction of first adhesion zone to second adhesion zone is orthogonal;And/or
The reflexed area includes the first reflexed region and the second reflexed region, wherein first reflexed region, first patch
Attached area, second reflexed region successively connect.
7. protective film according to claim 5, which is characterized in that first adhesion zone connects with second bent area
Place is equipped with opening, wherein the opening is opened up by first adhesion zone close to the side in the reflexed area, and far from described
On the direction of first bent area into first adhesion zone.
8. protective film according to claim 7, which is characterized in that the width of the opening is 0.5mm to 1.5mm, wherein
The width of the opening refers to the opening by the size on first adhesion zone to first bent area direction;And/
Or
The length of the opening is 1mm to 2mm, wherein the length of the opening refers to the length extended in first adhesion zone
Degree;And/or
The opening is U-shaped opening.
9. protective film according to claim 5, which is characterized in that the protective film further includes tear-off area, the tear-off area
Connect with the reflexed area, and is located at side of the reflexed area far from first adhesion zone.
10. a kind of panel assembly characterized by comprising
Touch panel;
Protective film is sticked on the touch panel, and the protective film is as described in claim 1-9 any one.
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CN201910594273.6A CN110295016A (en) | 2019-07-03 | 2019-07-03 | Protective film and panel assembly |
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CN201910594273.6A CN110295016A (en) | 2019-07-03 | 2019-07-03 | Protective film and panel assembly |
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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 |
CN111534240B (en) * | 2020-04-21 | 2021-06-01 | 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 |
CN113071810A (en) * | 2021-03-24 | 2021-07-06 | 业成科技(成都)有限公司 | Easy-to-tear sticker and electronic equipment |
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