CN216662938U

CN216662938U - Mylar adhesive tape

Info

Publication number: CN216662938U
Application number: CN202121480181.4U
Authority: CN
Inventors: 殷茹霞
Original assignee: InfoVision Optoelectronics Kunshan Co Ltd
Current assignee: InfoVision Optoelectronics Kunshan Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-06-03
Anticipated expiration: 2031-06-30

Abstract

The novel Mylar adhesive tape provided by the utility model comprises a black ink layer, an aluminum foil layer, a PET Mylar layer and an adhesive layer, wherein the black ink layer, the aluminum foil layer, the PET Mylar layer and the adhesive layer are sequentially stacked, the aluminum foil layer, the PET Mylar layer and the adhesive layer are adjacently laminated through a non-peelable adhesive in a hot-pressing manner, the black ink layer is sprayed on the upper surface of the aluminum foil layer, the whole PET Mylar layer is rectangular, and a hollow microstructure is arranged on the surface of the PET Mylar layer. The hollow micro-structure is arranged on the surface of the PET Mylar layer, so that the warping problem caused by stress when the Mylar tape is attached can be solved, the hollow micro-structure can realize the conduction of the Mylar tape in the vertical direction, and the static trouble is eliminated.

Description

Mylar adhesive tape

Technical Field

The present invention relates to an adhesive tape, and more particularly, to a mylar tape for fixing a display panel and shielding light.

Background

The Mylar adhesive tape is an adhesive tape made of tough polyester polymer material, and is widely applied to the fields of electromechanics, electronics, information communication and the like due to good heat resistance, excellent insulating property, surface smoothness and mechanical flexibility. In the conventional flat panel display, a mylar tape is generally used to fix the display panel in the backlight module, and the mylar tape plays roles of fixing the display panel and shielding light. Please refer to fig. 1 and 2, which are schematic structural views of a mylar tape for fixing a display panel and shielding light in a flat panel display in the prior art. As shown in fig. 1, the adhesive tape 10 includes an adhesive layer 11, a PET mylar layer 12, an aluminum foil layer 13, and a black ink layer 14.

Fig. 2 is a schematic view of a portion of a conventional display panel fixed on a backlight module by using the mylar tape shown in fig. 1. The tape 10 is attached to the edge of the liquid crystal module to block light and fix the liquid crystal module. When the mylar tape attached in the above manner is used, the adhesive tape 10 is tilted by the rebound stress when the adhesive tape 10 wraps the corresponding portion of the liquid crystal module.

However, since the large screen of the display is more and more favored by consumers, the space required by the frame of the lcd is more and more narrow, the area of the mylar tape 10 allowed to be used for being attached to the upper surface of the lcd module is also less and less, the adhesion force is correspondingly reduced, the rebound stress is correspondingly increased, and the edge of the mylar tape 10 is easily tilted, so that the display panel cannot be fixed and the light cannot be well shielded.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to solve the problem that the mylar tape used in the flat panel display in the prior art is easy to tilt, embodiments of the present invention provide a novel mylar tape which is not easy to tilt.

The Mylar tape is characterized by comprising a black ink layer, an aluminum foil layer, a PET Mylar layer and an adhesive layer, wherein the black ink layer, the aluminum foil layer, the PET Mylar layer and the adhesive layer are sequentially stacked, the adjacent aluminum foil layer, the PET Mylar layer and the adhesive layer are compounded by hot pressing through a non-peelable adhesive, the black ink layer is sprayed on the upper surface of the aluminum foil layer, the whole PET Mylar layer is rectangular and is provided with a hollowed-out microstructure on the surface;

according to one aspect of the utility model, the mylar tape is characterized in that the whole of the black ink layer, the aluminum foil layer, the PET mylar layer and the bonding adhesive layer is in a rectangular strip shape, the size of the black ink layer is the same, and the positions of the black ink layer, the aluminum foil layer, the PET mylar layer and the bonding adhesive layer are in one-to-one correspondence;

according to one aspect of the utility model, the mylar tape is characterized in that the distance between the microstructures is 0.5-1.0 mm, and the hollow area of the microstructures accounts for 40% -80% of the total surface area of the PET mylar layer;

according to one aspect of the utility model, a mylar tape is provided, which is characterized in that the microstructures are circular in shape and are arranged in a rectangular array in at least one direction;

according to one aspect of the utility model, a mylar tape is provided, wherein the microstructures are rectangular in shape and are arranged in a rectangular array in at least one direction;

according to one aspect of the utility model, a mylar tape is provided, wherein the microstructures are cross-shaped and are arranged in a rectangular array in at least one direction;

according to one aspect of the utility model, the mylar tape is characterized in that the thickness of the black ink layer is 1-5 μm;

according to one aspect of the utility model, the mylar tape is characterized in that the thickness of the PET mylar layer is 6-15 μm;

according to one aspect of the utility model, the mylar tape is characterized in that the thickness of the aluminum foil layer is 5-20 μm;

according to one aspect of the utility model, the Mylar adhesive tape is characterized in that the thickness of the adhesive layer is 4-8 μm, the inner part of the adhesive layer is lined with a flexible woven material layer with the thickness of 2-3 μm, and the whole material of the adhesive glue layer is an epoxy resin glue material;

in summary, the mylar tape provided by the utility model comprises a black ink layer, an aluminum foil layer, a PET mylar layer and an adhesive layer, wherein the black ink layer, the aluminum foil layer, the PET mylar layer and the adhesive layer are sequentially stacked, the aluminum foil layer, the PET mylar layer and the adhesive layer are adjacent to each other and are hot-pressed and compounded through a non-peelable adhesive, the black ink layer is sprayed on the upper surface of the aluminum foil layer, the PET mylar layer is integrally rectangular, and a hollow microstructure is formed on the surface of the PET mylar layer. The hollow micro-structure is arranged on the surface of the PET Mylar layer, so that the warping problem caused by stress when the Mylar tape is attached can be solved, the hollow micro-structure can realize the conduction of the Mylar tape in the vertical direction, and the static trouble is eliminated.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

FIG. 1 is a schematic view of a Mylar tape for fixing a display panel and shielding light in a flat panel display according to the prior art;

FIG. 2 is a schematic view showing a prior art display panel and a Mylar tape for shielding light;

FIG. 3 is a schematic view showing the first embodiment of the present invention showing the display panel being fixed and the Mylar tape for shielding light being spread;

FIG. 4 is a schematic structural diagram of a PET Mylar layer according to a first embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a PET Mylar layer according to a second embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a PET Mylar layer according to a third embodiment of the present invention;

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

In the prior art, the tape is attached to the edge of the liquid crystal module to block light and fix the liquid crystal module. When the attached Mylar tape is used, the adhesive tape is tilted by the rebound stress when the adhesive tape wraps the corresponding part of the liquid crystal module. And because the big screen of display accounts for and receives more and more consumer's favor than, make the required space of LCD's frame more and more narrow, consequently, what wheat drawn the sticky tape allowed is used for attaching to the upper surface part of LCD module area also more and more littleer, the adhesion also correspondingly diminishes, and rebound stress then corresponding increase, influenced by external factors such as time, temperature, the easy perk of marginal portion of wheat drawn sticky tape, lead to unable fixed display panel and can not be better carry out the shading, and because wheat drawn sticky tape does not switch on in vertical direction, easily produce electrostatic accumulation, make the application limitation of traditional wheat drawn sticky tape high. In order to solve the above technical problem, embodiments of the present application provide a mylar tape.

Example one

Referring to fig. 3, fig. 3 is a schematic view illustrating a fixing of a display panel and a mylar tape for shielding light in a flat panel display according to a first embodiment of the present invention. As shown in fig. 3, the mylar tape provided by the utility model comprises a black ink layer 50, an aluminum foil layer 40, a PET mylar layer 35, and an adhesive layer 20, wherein the black ink layer 50, the aluminum foil layer 40, the PET mylar layer 35, and the adhesive layer 20 are sequentially stacked, and are hot-pressed and compounded by a non-peelable adhesive between the adjacent aluminum foil layer 40, the PET mylar layer 35, and the adhesive layer 20, and the black ink layer is sprayed on the upper surface of the aluminum foil layer, so that the mylar tape is simple and firm in structure, and can meet the requirement of use strength.

In the embodiment of the present invention, the black ink layer 50, the aluminum foil layer 40, the PET mylar layer 35, and the adhesive layer 20 are all rectangular strips, and have the same size and are in one-to-one correspondence with each other in position, so that the daily packaging and fixing work can be conveniently performed.

It should be noted that, in the embodiment of the present invention, the surface of the PET mylar layer 35 is provided with a hollow microstructure 60. Through the structure processing of doing the fretwork at PET wheat layer 35, can effectually reduce stress resilience, prevent the perk of wheat sticky tape, reinforcing adhesion. In addition, because the traditional mylar adhesive tape is not conducted in the vertical direction in the actual use process, and static electricity accumulation is easy to generate, the use limitation of the traditional mylar adhesive tape is high, and particularly when a vehicle-mounted display product is fixed, the phenomenon is more serious. In the embodiment of the utility model, the hollow-out structural treatment is performed on the PET mylar layer 35, so that three-way conduction of the mylar tape can be realized, static electricity generated can be drained in time, and the product quality is improved.

Fig. 4 is a schematic diagram illustrating a shape structure of a PET mylar layer according to a first embodiment of the present invention, and fig. 4 illustrates a shape structure of a PET mylar layer according to an embodiment of the present invention, wherein the microstructures 60 are circular, and the microstructures 60 are arranged in a rectangular array in at least one direction. The circular microstructure 60 has a simple structure and is relatively simple to manufacture, and the manufacturing cost can be effectively reduced.

The distance between two adjacent microstructures 60 is 0.5-1.0 mm, and the distances between the two adjacent microstructures in the length direction and the width direction may be equal or different, so that a better adhesion effect can be obtained within the range. In addition, the hollow area of the micro structure 60 accounts for 40% -80% of the total surface area of the PET Mylar layer 35, in actual use, the area ratio of the hollow micro structure can be adjusted according to self requirements, and on the premise that the required strength of the Mylar adhesive tape is met, the purposes of enhancing the adhesion effect and dredging static electricity can be achieved.

Further, the thickness of the black ink layer 50 of the first embodiment of the present invention is 1 to 5 μm, and the black ink layer is coated on the upper surface of the aluminum foil layer 40 by spraying, so that the black ink layer can play a role of shading light in a limited way, and the manufacturing method is simple and is convenient for popularization and use.

Furthermore, the thickness of the PET mylar layer 35 in the first embodiment of the utility model is 6-15 μm, and the thickness of the aluminum foil layer 40 is 5-20 μm, so that the use strength of the mylar tape can be ensured, and the mylar tape is convenient to use daily.

Furthermore, the thickness of the adhesive layer of the first embodiment of the utility model is 4-8 μm, the inner lining is provided with the flexible woven material layer with the thickness of 2-3 μm, and the whole material of the adhesive glue layer is the epoxy resin glue material, so that the toughness of the glue layer can be effectively improved, and the glue layer is prevented from cracking.

In this embodiment, the mylar tape includes a black ink layer, an aluminum foil layer, a PET mylar layer, and an adhesive layer, where the black ink layer, the aluminum foil layer, the PET mylar layer, and the adhesive layer are sequentially stacked, and are thermally pressed and compounded by a non-peelable adhesive between adjacent aluminum foil layer, PET mylar layer, and adhesive layer, and the black ink layer is sprayed on the upper surface of the aluminum foil layer, and the PET mylar layer is rectangular in shape and has a hollowed-out microstructure on the surface. The hollow micro-structure is arranged on the surface of the PET Mylar layer, so that the warping problem caused by stress when the Mylar tape is attached can be solved, the hollow micro-structure can realize the conduction of the Mylar tape in the vertical direction, and the static trouble is eliminated.

Example two

Fig. 5 is a schematic view of a shape structure of a PET mylar layer according to a second embodiment of the present invention, and as shown in fig. 5, a mylar tape according to a second embodiment of the present invention is substantially the same as the mylar tape according to the first embodiment (fig. 3 and 4).

Compared with the first embodiment, since the length and the width of the microstructure 62 in the present embodiment are different, and the length is greater than the width, the stress resistance in the length direction is more excellent, and the adhesion performance is more significantly improved in the actual operation process.

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 III

Fig. 6 is a schematic structural diagram of a PET mylar layer according to a third embodiment of the present invention. As shown in fig. 6, a mylar tape provided in the third embodiment of the present invention is substantially the same as the mylar tape in the first embodiment (fig. 3 and 4), except that in the present embodiment, the hollow microstructure 63 disposed on the PET mylar layer 35 is disposed in a cross shape.

Compared with the first embodiment and the second embodiment, the cross shape of the embodiment has better performance of restoring deformation, can better restore the original state when being deformed by external factors, has better use performance, and better eliminates the warping phenomenon.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a Mylar sticky tape, its characterized in that, this Mylar sticky tape, including black printing ink layer, aluminium foil layer, PET Mylar layer, bonding glue film, black printing ink layer, aluminium foil layer, PET Mylar layer, bonding glue film stack gradually the setting adjacent but pass through the hot pressing of type gluing agent of can not peeling off between aluminium foil layer, PET Mylar layer, the bonding glue film the upper surface spraying on aluminium foil layer has black printing ink layer, the whole of PET Mylar layer is the rectangle strip, and the micro-structure of fretwork has been seted up on the surface.

2. The Mylar tape as claimed in claim 1, wherein the black ink layer, the aluminum foil layer, the PET Mylar layer and the adhesive layer are rectangular strips, have the same size and are in one-to-one correspondence with each other in position.

3. The Mylar tape of claim 1, wherein the distance between the microstructures is 0.5-1.0 mm, and the hollowed-out area of the microstructures accounts for 40-80% of the total surface area of the PET Mylar layer.

4. The Mylar tape of claim 3, wherein the microstructures are circular in shape and are arranged in a rectangular array in at least one direction.

5. The Mylar tape of claim 3, wherein the microstructures are rectangular in shape and are arranged in a rectangular array in at least one direction.

6. The Mylar tape of claim 3, wherein the microstructures are cross-shaped and are arranged in a rectangular array in at least one direction.

7. The Mylar tape of claim 1, wherein the black ink layer has a thickness of 1 to 5 μm.

8. The Mylar tape of claim 1, wherein the PET Mylar layer has a thickness of 6 to 15 μm.

9. The Mylar tape of claim 1, wherein the aluminum foil layer has a thickness of 5 to 20 μm.

10. The Mylar tape as claimed in claim 1, wherein the adhesive layer has a thickness of 4 to 8 μm, and a flexible woven material layer having a thickness of 2 to 3 μm is lined inside the adhesive layer, and the whole material of the adhesive layer is an epoxy resin adhesive material.