CN220220021U

CN220220021U - Elastic PET cover plate structure

Info

Publication number: CN220220021U
Application number: CN202320988846.5U
Authority: CN
Inventors: 黄生发; 詹雅莹
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-12-22
Anticipated expiration: 2033-04-27

Abstract

The utility model relates to an elastic PET cover plate structure, which comprises a PET film, wherein an elastic layer and an ink layer are arranged below the PET film, the PET film and the elastic layer are connected through an optical adhesive layer in an adhesive manner, and the elastic layer is a rubber layer, a gel layer or a polyurethane layer; the elastic layer can improve the tensile recovery of the cover plate, and the performance requirement of the curled cover plate can be met. The thickness of the elastic layer is 0.05-0.5mm, and the scratch-proof hardening film layer is arranged above the PET film, so that the cover plate can be protected from being scratched, and the thickness of the scratch-proof hardening film layer is 0.003-0.05mm. The thickness of the PET film is 0.1 mm-0.25 mm. According to the utility model, the elastic layer is arranged below the PET film, has strong stretching recovery capability, and compared with a conventional PET cover plate with a single supporting layer, the elastic layer has improved stretching recovery capability and can meet the performance requirement of the curled cover plate. The cover plate structure of the utility model can be used as a common touch cover plate and a display cover plate.

Description

Elastic PET cover plate structure

Technical Field

The utility model relates to the technical field of electronic equipment cover plates, in particular to an elastic PET cover plate structure.

Background

With the development of flexible technology, in the wearable medical market, a curled cover plate is being applied and developed, and although the conventional PET film can be applied to curved products, the elastic stretching of the PET film is easy to generate plastic deformation when being applied to curled products. Therefore, it is highly desirable to provide a novel cover plate structure, which can improve elastic tensile properties and meet the cover plate requirements of curved products.

Disclosure of Invention

The utility model provides an elastic PET cover plate structure, and aims to solve the problem that a curled product is easy to generate plastic deformation in the prior art.

Specifically, the technical scheme of the utility model is as follows: an elastic PET cover plate structure comprises a PET film, wherein an elastic layer and an ink layer are arranged below the PET film, the PET film and the elastic layer are connected through an optical adhesive layer in an adhesive mode, and the elastic layer is a rubber layer, a gel layer or a polyurethane layer; the elastic layer can improve the tensile recovery of the cover plate, and the performance requirement of the curled cover plate can be met.

As a preferred embodiment, the thickness of the elastic layer is 0.05-0.5mm.

As the preferable technical scheme, the scratch-proof hardening film layer is arranged above the PET film, the cover plate can be protected from being scratched, and the thickness of the scratch-proof hardening film layer is 0.003-0.05mm.

As the preferable technical scheme, the light transmittance of the scratch-resistant hardened film layer is more than 90%, and the haze is less than 0.9%.

As a preferable technical scheme, the thickness of the PET film is 0.1 mm-0.25 mm.

As the preferable technical scheme, the optical adhesive layer is a thermosetting adhesive layer, a photosensitive adhesive layer or an acrylic adhesive layer, and the thickness of the optical adhesive layer is 25um-125um.

As the preferable technical scheme, the ink layer is a plurality of rectangular ink frames, and the ink frames enclose a transparent window.

As a preferable technical scheme, a PE film is arranged below the ink layer and used for protecting the ink layer.

As the preferable technical scheme, the upper part of the PET film also comprises an ultraviolet-proof layer, which can insulate heat and reduce the damage of ultraviolet rays to the mobile phone.

As the preferable technical scheme, be equipped with one deck antistatic backing on the anti ultraviolet layer, the lamination structure of PET top is PET film, anti ultraviolet layer, antistatic backing and scratch-resistant hardening rete in proper order.

Compared with the prior art, the utility model has the following technical effects: according to the utility model, the elastic layer is arranged below the PET film, has strong stretching recovery capability, and compared with a conventional PET cover plate with a single supporting layer, the elastic layer has improved stretching recovery capability and can meet the performance requirement of the curled cover plate.

Description of the drawings:

fig. 1 is a schematic diagram of an elastic PET cover plate according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an elastic PET cover plate according to an embodiment of the present utility model;

reference numerals illustrate:

a PET film 1; an optical adhesive layer 2; an elastic layer 3; an ink layer 4; a hardened film layer 5; a PE film 6; an ultraviolet-proof layer 7; an antistatic layer 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. In the description of the present utility model, it should be noted that the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, in the description of the present application, the terms "first," "second," "upper," "lower," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model based on the embodiments of the utility model.

Examples

As shown in fig. 1, an elastic PET cover plate structure is provided in this embodiment, and the structure includes a PET film 1, an elastic layer 3 and an ink layer 4 are disposed below the PET film 1, and the PET film 1 and the elastic layer 3 are adhesively connected by an optical adhesive layer 2, where the elastic layer 3 is generally made of any one of rubber-type super-elastomers, gel-type super-elastomers and polyurethane-type super-elastomers; because the material of making elastic layer 3 has powerful tensile resilience, consequently, can promote the tensile resilience of PET apron through setting up elastic layer 3 on PET film 1, can satisfy the performance demand of the crimping apron that uses in the curved surface product at present.

Preferably, the thickness of the elastic layer 3 is 0.05-0.5mm, and further, the thickness of the elastic layer 3 is generally the same as that of the PET cover plate, so that the pulling performance of the cover plate can be improved.

The PET film layer is used as a supporting layer of the touch display screen and provides the mechanical property of the cover plate. Preferably, the scratch-proof hardening film layer 5 is arranged above the PET film 1, so that the PET cover plate can be protected from being scratched, wherein the thickness of the scratch-proof hardening film layer 5 is 0.003-0.05mm. Further, the scratch-resistant hardened film layer 5 has a light transmittance of more than 90% and a haze of less than 0.9%.

Preferably, the thickness of the PET film 1 is 0.1mm to 0.25mm. Typically, thicknesses of 0.1mm,0.125mm,0.15mm,0.175mm,0.188mm,0.25mm, etc. are selected.

Preferably, the optical adhesive layer 2 may be any one of thermosetting adhesive, photosensitive adhesive, acrylic adhesive, silicon adhesive and polyvinyl butyral resin adhesive, and the thickness of the optical adhesive layer 2 is generally 25um-125um, preferably 50um.

Preferably, the ink layer 4 is a plurality of rectangular ink frames, and the ink frames enclose a transparent window. I.e. each ink border is formed as a cover plate of a capacitive touch screen. In general, the ink layer 4 is provided with a plurality of layers, and the thickness of each layer of ink can be generally set to about 0.03 mm.

As shown in fig. 2, in some preferred embodiments, a PE film 6 is further provided under the ink layer 4 to protect the ink layer 4 from scratches or scratches.

As shown in fig. 2, in some preferred embodiments, the PET film 1 further includes an ultraviolet-proof layer 7 above the PET film 1, where the ultraviolet-proof layer 7 is disposed to insulate heat and reduce damage of ultraviolet rays to the mobile phone. Further, the anti-ultraviolet layer 7 is further provided with an anti-static layer 8, and static electricity is prevented from being accumulated on the surface of the touch screen by the anti-static layer 8, so that the laminated structure above the PET cover plate is further provided with the PET film 1, the anti-ultraviolet layer 7, the anti-static layer 8 and the scratch-resistant hardening film layer 5 in sequence.

The cover plate structure can be used as a common touch cover plate and a display cover plate.

Claims

1. The utility model provides an elasticity PET apron structure, its characterized in that includes the PET film, PET film below is equipped with elastic layer and printing ink layer, the PET film with the elastic layer passes through optical glue layer bonding and connects, wherein, the elastic layer is rubber layer, gel layer or polyurethane layer.

2. An elastic PET cover structure as in claim 1, wherein the elastic layer has a thickness of 0.05-0.5mm.

3. The elastic PET cover plate structure according to claim 1, wherein a scratch-proof hardening film layer is arranged above the PET film, the cover plate can be protected from being scratched, and the thickness of the scratch-proof hardening film layer is 0.003-0.05mm.

4. The flexible PET cover structure of claim 3, wherein the scratch-resistant hardened film has a light transmittance of greater than 90% and a haze of less than 0.9%.

5. The flexible PET cover structure of claim 1, wherein the PET film has a thickness of 0.1mm to 0.25mm.

6. The elastic PET cover plate structure according to claim 1, wherein the optical adhesive layer is a thermosetting adhesive layer, a photosensitive adhesive layer or an acrylic adhesive layer, and the thickness of the optical adhesive layer is 25um-125um.

7. The flexible PET cover structure of claim 1, wherein the ink layer is a plurality of rectangular ink borders, and the ink borders enclose a transparent window.

8. The flexible PET cover structure of claim 7, wherein a PE film is further disposed under the ink layer.

9. An elastic PET cover sheet structure as in any of claims 1-8, further comprising an ultraviolet blocking layer over the PET film.

10. The elastic PET cover plate structure according to claim 9, wherein the ultraviolet-proof layer is provided with an antistatic layer, and the laminated structure above the PET layer is a PET film, an ultraviolet-proof layer, an antistatic layer and an anti-scratch hardening film layer in sequence.