CN217265527U - Fixing adhesive tape and display device - Google Patents
Fixing adhesive tape and display device Download PDFInfo
- Publication number
- CN217265527U CN217265527U CN202221224390.7U CN202221224390U CN217265527U CN 217265527 U CN217265527 U CN 217265527U CN 202221224390 U CN202221224390 U CN 202221224390U CN 217265527 U CN217265527 U CN 217265527U
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- Prior art keywords
- layer
- adhesive tape
- double
- double faced
- faced adhesive
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002390 adhesive tape Substances 0.000 title claims abstract description 82
- 239000010410 layer Substances 0.000 claims abstract description 167
- 239000012528 membrane Substances 0.000 claims abstract description 41
- 229920000742 Cotton Polymers 0.000 claims abstract description 38
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 20
- 239000006260 foam Substances 0.000 claims abstract description 17
- 230000000977 initiatory effect Effects 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 15
- 239000002313 adhesive film Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Images
Landscapes
- Adhesive Tapes (AREA)
Abstract
The utility model relates to a backlight display technical field especially relates to a fixed sticky tape and display device. The utility model provides a fixed sticky tape includes the cotton layer of bubble, the first layer double faced adhesive tape, the second floor double faced adhesive tape, from the type membrane and press from both sides the layer of establishing, wherein, the first layer double faced adhesive tape part is attached on one side on the cotton layer of bubble, the second floor double faced adhesive tape is attached on the opposite side on the cotton layer of bubble, from the type membrane attached on the first layer double faced adhesive tape, press from both sides the layer of establishing and just tear the initiating terminal from the type membrane, and press from both sides the layer of establishing and paste between the first layer double faced adhesive tape and the cotton layer of bubble, the first layer double faced adhesive tape is greater than the first layer double faced adhesive tape with the cohesion from the type membrane with the cohesion of establishing the layer. Tear and leave type membrane when gluing at first layer double faced adhesive tape to when gluing first layer double faced adhesive tape on liquid crystal display panel, be convenient for tear and leave type membrane, avoided dragging the cotton layer of bubble to lead to the cotton layer of bubble to appear the layering phenomenon. The display device avoids the layering phenomenon of the foam layer by applying the fixing adhesive tape, and ensures the quality of the display device.
Description
Technical Field
The utility model relates to a backlight display technical field especially relates to a fixed sticky tape and display device.
Background
In the lcd device, the lcd panel and the backlight module are usually fixed by a double-sided tape, and the backlight module provides a backlight source for the lcd panel. In order to avoid the shock collision between the liquid crystal panel and the backlight module, a foam layer is generally added in the double-sided tape, so that the buffer and shock absorption effects are achieved between the double-sided tape and the backlight module. Particularly, the fixed adhesive tape is including setting gradually from type membrane, upper double faced adhesive tape, bubble cotton layer and lower floor double faced adhesive tape, during the use, with the one side adhesion of fixed adhesive tape with lower floor double faced adhesive tape in the corresponding position department of backlight unit earlier, then tears off from the type membrane, exposes upper double faced adhesive tape and adheres on liquid crystal display panel.
However, in the action of tearing off from the type membrane, because the cotton layer foaming back of bubble is softer, influences the adhesion firmness of the cotton layer of bubble and upper double faced adhesive tape, when tearing off from the type membrane, the cotton layer of bubble is pulled easily to the tearing initiating terminal of type membrane, easily leads to the cotton layer of bubble to appear the layering phenomenon, influences liquid crystal display device's quality then.
Therefore, it is desirable to provide a fixing tape and a display device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixed sticky tape and display device to avoid tearing to lead to the cotton layer of bubble to appear the layering phenomenon at the in-process of tearing from the type membrane, guarantee display device's quality.
To achieve the purpose, the utility model adopts the following technical proposal:
a securing tape comprising:
soaking a cotton layer;
the first layer of double-sided adhesive tape is partially attached to one side of the foam layer;
the second layer of double faced adhesive tape is attached to the other side of the foam layer;
the release film is attached to the first layer of double-faced adhesive tape; and
the clamping layer is opposite to the tearing starting end of the release film and is adhered between the first double-sided adhesive layer and the foam cotton layer, and the binding force of the first double-sided adhesive layer and the clamping layer is greater than that of the first double-sided adhesive layer and the release film.
Preferably, the bonding surface of the sandwiched layer and the first layer of double-sided adhesive tape is a curved surface.
As a preferred scheme, the clamping layer comprises a bearing substrate and an adhesive film which are attached to each other, the adhesive film is attached to the foam layer, the bearing substrate is attached to the first layer of double-sided adhesive tape, and the attaching surface of the bearing substrate and the first layer of double-sided adhesive tape is the curved surface.
Preferably, a through hole is formed in the clamping layer, and the first layer of double faced adhesive tape can penetrate through the through hole on the clamping layer to be attached to the foam layer.
Preferably, the through holes are provided in plurality, and the through holes are arranged at intervals on the sandwiched layer.
Preferably, the thickness of the interlayer is 0.05mm to 0.1 mm.
Preferably, the length of the interlayer is 20mm to 30 mm.
Preferably, the release film comprises a handheld portion and a fitting portion, the handheld portion and the fitting portion are connected, the fitting portion is attached to the first layer of double-sided adhesive, and the handheld portion is used for tearing off the starting end and extending out of the first layer of double-sided adhesive.
Preferably, the length ratio of the handheld part to the attaching part is 1/10-1/5.
A display device comprises a liquid crystal panel and a backlight module, wherein the backlight module is configured to provide backlight for the liquid crystal panel, the display device further comprises the fixing adhesive tape, and the fixing adhesive tape is configured to fixedly adhere the liquid crystal panel and the backlight module.
The utility model has the advantages that:
the utility model provides a fixed adhesive tape presss from both sides the layer of establishing through the setting, make press from both sides the layer of establishing just to tearing from the type membrane remove the initiating terminal, and press from both sides the layer of establishing and paste between first layer double faced adhesive tape and the cotton layer of bubble, first layer double faced adhesive tape is greater than first layer double faced adhesive tape with the cohesion of leaving the type membrane with the cohesion of pressing from both sides the layer of establishing, when beginning to tear on first layer double faced adhesive tape and remove from the type membrane, be convenient for tear from the type membrane, the tearing of having avoided from the type membrane removes the initiating terminal and pulls the cotton layer of bubble to lead to the cotton layer of bubble to appear the stratification phenomenon, the protection to the cotton layer of bubble has been improved, the quality of fixed adhesive tape has been guaranteed.
The utility model provides a display device pastes liquid crystal display panel and backlight unit fixedly through using above-mentioned fixed sticky tape, has avoided appearing the stratified phenomenon in the cotton layer of bubble that the in-process that results in from the type membrane of tearing, has guaranteed display device's quality.
Drawings
Fig. 1 is a schematic structural view of a fixing tape provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of the fixing tape after the release film is removed according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a sandwiched layer according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the sandwiched layer provided in the second embodiment of the present invention;
fig. 5 is a schematic structural view of the fixing tape after the release film is torn off according to the embodiment of the present invention.
In the figure:
1. soaking a cotton layer; 2. a first layer of double-sided adhesive tape; 3. a second layer of double-sided adhesive tape; 4. a release film; 41. a hand-held portion; 42. a bonding section; 5. an intervening layer; 51. a support substrate; 52. a glue film; 53. a through hole.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
The embodiment provides a fixing tape, which can realize the adhesion and fixation between a liquid crystal panel and a backlight module, but is not limited to this, and the fixing tape can also realize the adhesion and fixation between other two objects.
Particularly, fig. 1 is the utility model provides a structural schematic diagram of fixed sticky tape that provides, as shown in fig. 1, the fixed sticky tape that this embodiment provided includes the cotton layer 1 of bubble, first layer double faced adhesive tape 2, second floor double faced adhesive tape 3 and from type membrane 4, wherein, the attached one side on the cotton layer 1 of bubble of first layer double faced adhesive tape 2 part, second floor double faced adhesive tape 3 is attached on the opposite side on the cotton layer 1 of bubble, attached on first layer double faced adhesive tape 2 from type membrane 4, when using fixed sticky tape, the one side that has second floor double faced adhesive tape 3 with fixed sticky tape earlier adheres to backlight unit's corresponding position department, then tear attached from type membrane 4 on the first layer double faced adhesive tape 2, the first layer double faced adhesive tape 2 adhesion that exposes is on liquid crystal display panel, thereby realize pasting between liquid crystal display panel and the backlight unit fixed. In addition, through set up the cotton layer of bubble 1 between first layer double faced adhesive tape 2 and second floor double faced adhesive tape 3, can play the absorbing effect of buffering between liquid crystal display panel and backlight unit to avoid taking place the vibrations collision between liquid crystal display panel and the backlight unit, improve the protection to liquid crystal display panel and backlight unit.
In order to facilitate tearing off from type membrane 4, as shown in fig. 1, from type membrane 4 including handheld portion 41 and the laminating portion 42 that are connected, wherein, laminating portion 42 is attached on first layer double faced adhesive tape 2, and handheld portion 41 stretches out first layer double faced adhesive tape 2 tearing off the initiating terminal, and the handheld portion 41 of the operator of being convenient for tears off type membrane 4 from first layer double faced adhesive tape 2 fast for it is more efficient convenient to tear off the operation.
Preferably, the length ratio of the handheld portion 41 to the attaching portion 42 is 1/10-1/5, and the range value of the handheld portion 41 is not only convenient for tearing off the release film 4, but also does not cause the handheld portion 41 to be too long so that the release film 4 automatically falls off from the first layer of double-sided adhesive tape 2.
It should be noted that, at the in-process of attached fixed adhesive tape in backlight unit's corresponding position, for it is more accurate attached, the operator can pinch the both ends of fixed adhesive tape and come the counterpoint, thereby lead to the both ends pressurized of bubble cotton layer 1, make the first layer double faced adhesive tape 2 that is located the both ends and increase from the adhesiveness between type membrane 4, and in tearing the action from type membrane 4, because bubble cotton layer 1 foams the back softer, influence the adhesion firmness of bubble cotton layer 1 and first layer double faced adhesive tape 2, tear the in-process from type membrane 4, tear the initiating terminal from type membrane 4, can be because the cohesion between type membrane 4 and the first layer double faced adhesive tape 2 is greater than the cohesion between first layer double faced adhesive tape 2 and the bubble cotton layer 1, and pull bubble cotton layer 1, thereby lead to bubble cotton layer 1 the layering phenomenon to appear, then influence the quality of fixed adhesive tape.
In order to solve the above problem, as shown in fig. 1, the fixing tape provided in this embodiment further includes a sandwiched layer 5, the sandwiched layer 5 directly faces to the tearing start end of the release film 4, and the sandwiched layer 5 is adhered between the first double-sided tape 2 and the foam layer 1, and a bonding force between the first double-sided tape 2 and the sandwiched layer 5 is greater than a bonding force between the first double-sided tape 2 and the release film 4. When beginning to tear off on first layer double faced adhesive tape 2 from type membrane 4, the tear that has avoided from type membrane 4 initiating terminal drags the cotton layer of bubble 1 and leads to the cotton layer of bubble 1 layering phenomenon to appear, is convenient for tear off from type membrane 4, has improved the protection to the cotton layer of bubble 1, has guaranteed the quality of fixed sticky tape.
In this embodiment, the adhesion surface between the sandwiched layer 5 and the first layer of double-sided adhesive tape 2 is a curved surface, so as to increase the adhesion area between the sandwiched layer 5 and the first layer of double-sided adhesive tape 2, and further ensure that the bonding force between the first layer of double-sided adhesive tape 2 and the sandwiched layer 5 is greater than the bonding force between the first layer of double-sided adhesive tape 2 and the release film 4.
Particularly, fig. 2 is the embodiment of the utility model provides a tear the structure sketch map of removing the fixed sticky tape after type membrane 4, fig. 3 is the embodiment of the utility model provides a press from both sides the structure sketch map of establishing layer 5, as shown in fig. 2 and fig. 3, press from both sides and establish layer 5 including bearing substrate 51 and glued membrane 52 of laminating mutually, wherein, glued membrane 52 laminates mutually with bubble cotton layer 1, bears substrate 51 and the laminating of first layer double faced adhesive tape 2 mutually to the binding face that bears substrate 51 and first layer double faced adhesive tape 2 is the curved surface. In this embodiment, glued membrane 52 is high viscose, and high viscose can improve its and bubble cotton layer 1 and bear the weight of the cohesion of substrate 51, avoids tearing the in-process from type membrane 4, will wholly press from both sides layer 5 and take up from bubble cotton layer 1. As shown in fig. 3, the adhering surface of the carrier substrate 51 and the first layer of double-sided tape 2 is a curved surface that is concave toward the glue film 52 side to increase the adhering area of the carrier substrate 51 and the first layer of double-sided tape 2, in other embodiments, the adhering surface of the carrier substrate 51 and the first layer of double-sided tape 2 may also be a curved surface that is convex toward the first layer of double-sided tape 2, or may be a curved surface in a wavy or other form, as long as the design of the curved surface is ensured to increase the adhering area of the carrier substrate 51 and the first layer of double-sided tape 2.
Preferably, in this embodiment, the thickness of the sandwiched layer 5 is 0.05mm to 0.1mm, and the thickness range value does not affect the flatness of the whole fixing tape under the effect of ensuring that the sandwiched layer 5 has the protection foam layer 1.
Further, the length of the sandwiched layer 5 is 20 mm-30 mm, and the length range of the sandwiched layer 5 enables the sandwiched layer 5 to extend and cover the whole tearing starting end, so that the tearing of the release film 4 is ensured not to cause a layering phenomenon on the foam layer 1.
This embodiment still provides a display device, and this display device can be liquid crystal display device, pastes fixedly with liquid crystal display panel and for the backlight unit that liquid crystal display panel provided the backlight through using above-mentioned fixed sticky tape, has avoided appearing the layering phenomenon in the cotton layer 1 of bubble that the in-process that tears from type membrane 4 leads to, has guaranteed display device's quality.
Example two
The fixing tape provided in this embodiment is substantially the same as the first embodiment, and the difference between the fixing tape provided in this embodiment and the first embodiment is: the specific structure of the sandwiched layer 5 is different from that of the first layer of double-sided adhesive tape 2.
Fig. 4 is a schematic structural view of the second sandwiched layer 5 provided in the embodiment of the present invention, and fig. 5 is a schematic structural view of the second sandwiched layer 5 provided in the embodiment of the present invention for tearing off the fixing tape after the release film 4, as shown in fig. 4 and fig. 5, the first sandwiched layer 5 provided in the embodiment has a through hole 53, and the first layer double faced adhesive tape 2 can penetrate through the through hole 53 and is attached to the foam layer 1 on the sandwiched layer 5. Through set up the through hole 53 that runs through on pressing from both sides and setting up layer 5, increased the area of contact of first layer double faced adhesive tape 2 with pressing from both sides and setting up layer 5, and then guarantee that the cohesion of first layer double faced adhesive tape 2 with pressing from both sides and setting up layer 5 is greater than the cohesion of first layer double faced adhesive tape 2 with from type membrane 4.
Preferably, as shown in fig. 4 and 5, the interlayer 5 is provided with a plurality of through holes 53, and the through holes 53 are arranged at intervals on the interlayer 5, so as to further increase the contact area between the first layer of double-sided adhesive tape 2 and the interlayer 5.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A fastening tape, comprising:
a foam layer (1);
the first layer of double-sided adhesive tape (2) is partially attached to one side of the foam layer (1);
the second layer of double-sided adhesive tape (3) is attached to the other side of the foam layer (1);
the release film (4) is attached to the first layer of double-sided adhesive tape (2); and
press from both sides and establish layer (5), just right tear the initiating terminal off from type membrane (4) to paste first layer double faced adhesive tape (2) with between the cotton layer of bubble (1), first layer double faced adhesive tape (2) with the cohesion of pressing from both sides establishing layer (5) is greater than first layer double faced adhesive tape (2) with from the cohesion of type membrane (4).
2. The fastening tape according to claim 1, wherein the faying surface of the sandwiched layer (5) and the first layer of double-sided adhesive tape (2) is a curved surface.
3. Fixing tape according to claim 2, characterized in that the sandwiched layer (5) comprises a bearing substrate (51) and an adhesive film (52) which are attached to each other, the adhesive film (52) is attached to the foam layer (1), the bearing substrate (51) is attached to the first double-sided adhesive tape (2), and the attaching surface of the bearing substrate (51) and the first double-sided adhesive tape (2) is the curved surface.
4. The fixing tape according to claim 1, wherein the sandwiched layer (5) has a through hole (53), and the first double-sided tape (2) is attached to the foam layer (1) through the through hole (53) on the sandwiched layer (5).
5. The fixing tape according to claim 4, wherein the plurality of through holes (53) are provided, and the plurality of through holes (53) are arranged at intervals on the interposed layer (5).
6. A fixing tape according to any one of claims 1 to 5 characterised in that the thickness of the interposed layer (5) is 0.05mm to 0.1 mm.
7. A fastening tape according to any one of claims 1 to 5 wherein the length of the interposed layer (5) is 20mm to 30 mm.
8. The fixing tape according to any one of claims 1 to 5, wherein the release film (4) comprises a hand-held portion (41) and an attaching portion (42) connected to each other, the attaching portion (42) is attached to the first layer of double-sided adhesive tape (2), and the hand-held portion (41) extends out of the first layer of double-sided adhesive tape (2) at the tearing start end.
9. The fixing tape according to claim 8, wherein the length ratio of the hand-held portion (41) to the attachment portion (42) is 1/10-1/5.
10. A display device, comprising a liquid crystal panel and a backlight module, wherein the backlight module is configured to provide a backlight source for the liquid crystal panel, the display device further comprising the fixing tape according to any one of claims 1 to 9, and the fixing tape is configured to fixedly adhere the liquid crystal panel and the backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221224390.7U CN217265527U (en) | 2022-05-20 | 2022-05-20 | Fixing adhesive tape and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221224390.7U CN217265527U (en) | 2022-05-20 | 2022-05-20 | Fixing adhesive tape and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217265527U true CN217265527U (en) | 2022-08-23 |
Family
ID=82885365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221224390.7U Active CN217265527U (en) | 2022-05-20 | 2022-05-20 | Fixing adhesive tape and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217265527U (en) |
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2022
- 2022-05-20 CN CN202221224390.7U patent/CN217265527U/en active Active
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