CN213388482U

CN213388482U - Shading adhesive tape

Info

Publication number: CN213388482U
Application number: CN202020935656.3U
Authority: CN
Inventors: 沈雅琴; 刘景�
Original assignee: Suzhou Xianmai New Material Technology Co ltd
Current assignee: Suzhou Xianmai New Material Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-06-08
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a shading adhesive tape, which is used for coating the end surface of a display panel and further comprises an insulating substrate layer, a composite metal layer positioned on the upper surface of the insulating substrate layer and a single metal layer positioned on the lower surface of the insulating substrate layer; the surface of the composite metal layer opposite to the insulating base material layer is covered with an ink layer, the surface of the single metal layer opposite to the insulating base material layer is covered with a black conductive adhesive layer, and the single metal layer is an aluminum layer or a copper layer; and the release layer is connected with the black conductive adhesive layer in an adhesive manner, and the composite metal layer further comprises a non-magnetic metal sublayer and a magnetic metal sublayer which are sequentially stacked. The utility model discloses can effectively release static immediately, also realize all having good electromagnetic shield effect at the full wave band, and can make sticky tape and the long-time stability of LCD screen laminating.

Description

Shading adhesive tape

Technical Field

The utility model relates to a shading sticky tape belongs to shielding sticky tape technical field.

Background

The display panel is widely applied to electronic products, such as smart phones, portable game machines, ticket vending machines and the like, the side edge of the liquid crystal display screen needs to be shielded by an adhesive tape to prevent light leakage, the frequency spectrum of the electromagnetic field shielded by the existing shielding adhesive tape is narrow, and the shielding performance needs to be improved.

Disclosure of Invention

The utility model aims at providing a shading sticky tape, this shading sticky tape can effectively release static in time, has also realized all having good electromagnetic shield effect at full wave band, and can make sticky tape and the long-time stability of LCD screen laminating.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a shading adhesive tape is used for wrapping the end face of a display panel and further comprises an insulating base material layer, a composite metal layer positioned on the upper surface of the insulating base material layer and a single metal layer positioned on the lower surface of the insulating base material layer;

the surface of the composite metal layer opposite to the insulating base material layer is covered with an ink layer, the surface of the single metal layer opposite to the insulating base material layer is covered with a black conductive adhesive layer, and the single metal layer is an aluminum layer or a copper layer;

the composite metal layer further comprises a non-magnetic metal sub-layer and a magnetic metal sub-layer which are sequentially stacked, and the non-magnetic metal sub-layer of the composite metal layer is located on the side, back to the back, of the magnetic metal sub-layer and the insulating base material layer.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the magnetic metal sub-layer of the composite metal layer covers the surface of the non-magnetic metal sub-layer by sputtering, evaporation or electroplating.

2. In the above scheme, the insulating substrate layer is a PET film layer, a PP film layer or a PE film layer.

3. In the above scheme, the nonmagnetic metal sublayer is an aluminum layer or a copper layer.

4. In the above scheme, the magnetic metal sublayer is a nickel layer or a cobalt layer.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses shading sticky tape, its shading sticky tape further include insulating substrate layer, the composite metal layer that is located insulating substrate layer upper surface, the single metal level that is located insulating substrate layer lower surface, composite metal layer further includes the non-magnetic metal sublayer and the magnetic metal sublayer that stack gradually the setting, the non-magnetic metal sublayer of composite metal layer is located its magnetic metal sublayer and the one side that insulating substrate layer carried on the back mutually, can effectively release static in time, has also realized all having good electromagnetic shield effect at the full wave band, can effectively prevent panel and inside and external electromagnetism mutual interference in the use; in addition, the magnetic metal sub-layer of the composite metal layer is covered on the surface of the non-magnetic metal sub-layer through sputtering, evaporation or electroplating, so that the adhesive tape can be stably attached to the liquid crystal screen for a long time, and the warping phenomenon of the metal layer in the adhesive tape on the liquid crystal screen is greatly reduced.

Drawings

FIG. 1 is a schematic view of the application of the shading tape of the present invention;

fig. 2 is a schematic structural view of the shading tape of the present invention.

In the above drawings: 1. a light-shielding tape; 2. a display panel; 3. an insulating substrate layer; 4. a composite metal layer; 41. a nonmagnetic metal sublayer; 42. a magnetic metal sublayer; 5. a single metal layer; 6. an ink layer; 7. a black conductive adhesive layer; 8. and a release layer.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: a shading adhesive tape 1 is used for wrapping the end face of a display panel 2, and the shading adhesive tape 1 further comprises an insulating substrate layer 3, a composite metal layer 4 positioned on the upper surface of the insulating substrate layer 3, and a single metal layer 5 positioned on the lower surface of the insulating substrate layer 3;

the surface of the composite metal layer 4 opposite to the insulating base material layer 3 is covered with an ink layer 6, the surface of the single metal layer 5 opposite to the insulating base material layer 3 is covered with a black conductive adhesive layer 7, and the single metal layer 5 is a copper layer;

a release layer 8 is connected with black conductive adhesive layer 7 in an adhesive manner, composite metal layer 4 further includes non-magnetic metal sublayer 41 and magnetic metal sublayer 42 that stack up the setting in proper order, composite metal layer 4's non-magnetic metal sublayer 41 is located its magnetic metal sublayer 42 and the one side that insulating substrate layer 3 carried on the back mutually.

The magnetic metal sub-layer 42 of the composite metal layer 4 is coated on the surface of the non-magnetic metal sub-layer 41 by sputtering, evaporation or electroplating.

The insulating substrate layer 3 is a PE thin film layer, and the nonmagnetic metal sublayer 41 is an aluminum layer.

The magnetic metal sublayer 42 is a cobalt layer.

Example 2: a shading adhesive tape 1 is used for wrapping the end face of a display panel 2, and the shading adhesive tape 1 further comprises an insulating substrate layer 3, a composite metal layer 4 positioned on the upper surface of the insulating substrate layer 3, and a single metal layer 5 positioned on the lower surface of the insulating substrate layer 3;

the surface of the composite metal layer 4 opposite to the insulating base material layer 3 is covered with an ink layer 6, the surface of the single metal layer 5 opposite to the insulating base material layer 3 is covered with a black conductive adhesive layer 7, and the single metal layer 5 is an aluminum layer;

The insulating substrate layer 3 is a PET film layer.

The nonmagnetic metal sublayer 41 is a copper layer, and the magnetic metal sublayer 42 is a nickel layer.

When the shading tape is adopted, the shading tape further comprises an insulating base material layer, a composite metal layer positioned on the upper surface of the insulating base material layer and a single metal layer positioned on the lower surface of the insulating base material layer, the composite metal layer further comprises a non-magnetic metal sub-layer and a magnetic metal sub-layer which are sequentially stacked, the non-magnetic metal sub-layer of the composite metal layer is positioned on one side of the magnetic metal sub-layer, which is opposite to the insulating base material layer, static electricity can be effectively released in real time, a good electromagnetic shielding effect can be realized in all wave bands, and the panel can be effectively prevented from interfering with internal and external electromagnetism in the using process; in addition, the magnetic metal sub-layer of the composite metal layer is covered on the surface of the non-magnetic metal sub-layer through sputtering, evaporation or electroplating, so that the adhesive tape can be stably attached to the liquid crystal screen for a long time, and the warping phenomenon of the metal layer in the adhesive tape on the liquid crystal screen is greatly reduced.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A light-shielding tape characterized in that: the shading adhesive tape (1) is used for wrapping the end face of the display panel (2), and the shading adhesive tape (1) further comprises an insulating base material layer (3), a composite metal layer (4) positioned on the upper surface of the insulating base material layer (3), and a single metal layer (5) positioned on the lower surface of the insulating base material layer (3);

the surface of the composite metal layer (4) opposite to the insulating base material layer (3) is covered with an ink layer (6), the surface of the single metal layer (5) opposite to the insulating base material layer (3) is covered with a black conductive adhesive layer (7), and the single metal layer (5) is an aluminum layer or a copper layer;

the release layer (8) is in adhesive connection with the black conductive adhesive layer (7), the composite metal layer (4) further comprises a non-magnetic metal sub-layer (41) and a magnetic metal sub-layer (42) which are sequentially stacked, and the non-magnetic metal sub-layer (41) of the composite metal layer (4) is located on the side, back to back, of the magnetic metal sub-layer (42) and the insulating base material layer (3).

2. The light-shielding tape according to claim 1, wherein: the magnetic metal sub-layer (42) of the composite metal layer (4) is coated on the surface of the non-magnetic metal sub-layer (41) through sputtering, evaporation or electroplating.

3. The light-shielding tape according to claim 1 or 2, wherein: the insulating base material layer (3) is a PET thin film layer, a PP thin film layer or a PE thin film layer.

4. The light-shielding tape according to claim 1 or 2, wherein: the nonmagnetic metal sublayer (41) is an aluminum layer or a copper layer.

5. The light-shielding tape according to claim 1 or 2, wherein: the magnetic metal sub-layer (42) is a nickel layer or a cobalt layer.