CN212152160U

CN212152160U - Novel toughened glass protection film

Info

Publication number: CN212152160U
Application number: CN202020071121.6U
Authority: CN
Inventors: 范修燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-12-15
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a novel toughened glass protective film, toughened glass adopts double-deck toughened glass basic unit complex, adopts the better flexible glue nature fibre of transformation rate between the toughened glass basic unit, can be perfect fill the unevenness that toughened glass production caused, flexible glue nature fibre possesses good shock attenuation nature and shock resistance simultaneously, can not produce the bubble when the toughened glass membrane is laminated, make the laminating precision of toughened glass membrane better, and increased the AR coating on the upper surface of toughened glass membrane, the coating has increased the rate of light passing through; the bottom surface of the toughened glass is also provided with the antistatic fiber, so that static electricity can be effectively isolated, and a mobile phone screen is protected from static electricity interference.

Description

Novel toughened glass protection film

Technical Field

The utility model relates to a toughened glass film especially relates to a novel toughened glass protection film.

Background

The toughened glass mobile phone film is a new mobile phone protective film which is newly introduced in China in 2012, and is a high-end new product which has the most strengthened protection on a protective screen. The thickness of the protective layer is only 0.1 mm at the thinnest, the original screen surface can be completely covered, damage and scratch caused by external force are prevented, and the impact absorbability is increased and is 5 times higher than the standard of a PET film. The video effect of the screen is not affected.

The existing toughened glass used on the mobile phone has low light transmittance, and meanwhile, bubbles are easily generated when the toughened glass layer is attached to a screen due to processing defects of the toughened glass layer, so that the mobile phone cannot be effectively protected due to low impact resistance.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems of the prior art to a certain extent. Therefore, the utility model aims to provide an antistatic toughened glass film with good impact resistance, high light transmittance.

A novel toughened glass protective film comprises an AR coating, a toughened glass layer and an AB glue layer which are sequentially connected from top to bottom; the toughened glass layer comprises a first toughened glass base layer, a soft fiber layer, a second toughened glass base layer and an antistatic fiber layer which are sequentially compounded from top to bottom.

In one embodiment, the total thickness of the toughened glass layer is 0.09-0.23 mm.

In one embodiment, the thickness of the first toughened glass substrate is 0.02-0.08 mm, and the thickness of the second toughened glass substrate is 0.05-0.12 mm.

In one embodiment, the soft fiber layer is bonded between the first toughened glass substrate and the second toughened glass substrate.

In one embodiment, the antistatic fiber layer is fixedly bonded to the lower surface of the second toughened glass substrate.

In one embodiment, the soft fiber layer and the antistatic fiber layer are equal in thickness.

In one embodiment, the AR coating is sprayed or electroplated on the upper surface of the tempered glass film.

In one embodiment, the AB glue layer comprises an optical glue adhered to the lower surface of the antistatic fiber layer and a silicone glue adhered to the lower surface of the optical glue.

The utility model has the advantages that:

the utility model discloses a toughened glass adopts double-deck toughened glass basic unit complex, adopts the better flexible glue nature fibre of transformation rate between the toughened glass basic unit, can be perfect fill the unevenness nature that toughened glass production caused, flexible glue nature fibre possesses good shock attenuation nature and shock resistance simultaneously, can not produce the bubble when the toughened glass membrane is laminated, makes the laminating precision of toughened glass membrane better, and increased the AR coating on the upper surface of toughened glass membrane, this coating has increased the rate of light passing through; the bottom surface of the toughened glass is also provided with the antistatic fiber, so that static electricity can be effectively isolated, and a mobile phone screen is protected from static electricity interference.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a layered structure of a novel toughened glass protective film of the present invention;

FIG. 2 is a layered structure of a tempered glass layer of the present invention;

figure 3 is the structure of the AB glue layer of the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, inner and outer, and the center … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1:

the novel toughened glass protective film as shown in fig. 1 comprises an AR coating layer 1, a toughened glass layer 2 and an AB glue layer 3 which are fixedly bonded from top to bottom in sequence;

in one preferred embodiment, the toughened glass layer 2 shown in fig. 2 includes a first toughened glass base layer 21, a soft fiber layer 22, a second toughened glass base layer 23, and an antistatic fiber layer 24 bonded and compounded in sequence from top to bottom;

in one preferred embodiment, the total thickness of the toughened glass layer 2 is 0.09-0.23 mm.

In one preferred embodiment, the thickness of the first toughened glass base layer 21 is 0.02-0.08 mm, the thickness of the second toughened glass base layer 23 is 0.05-0.12 mm, the first toughened glass base layer 21 and the second toughened glass base layer 23 are made of chemical toughened glass, the chemical toughened glass is prestressed glass, the strength of the chemical toughened glass is multiple times that of common glass, the impact strength of the chemical toughened glass can reach 10 times that of the common glass, the chemical toughened glass can bear temperature difference change of more than 150LC, and the chemical toughened glass does not warp like physical toughened glass in a high-temperature process of more than a transition temperature. Thereby making the surface as flat as the original glass.

In one preferred embodiment, the soft fiber layer 22 is bonded between the first toughened glass substrate 21 and the second toughened glass substrate 23; the soft fiber layer 22 is preferably made of flexible glass fiber material, which has good flexibility and is beneficial to filling the error gap between the mobile phone screen and the toughened glass film; the purpose of arranging the double-layer glass base layer is to fill the soft fiber layer 22 between the glass base layers, so that the structural strength of the material is increased, the toughened glass film has good shock absorption, meanwhile, the soft fiber layer 22 can increase the flatness of the glass base layer, and bubbles cannot be generated on the attached surface due to the flatness of the glass when the toughened glass film is attached;

in one preferred embodiment, the antistatic fiber layer 24 is fixedly bonded to the lower surface of the second tempered glass substrate 23, and the antistatic fiber refers to a fiber having a volume resistivity of less than 10 in a standard state (20 ℃, 65% relative humidity) and a square Ω · cm of 10 or a fiber having an electrostatic charge dissipation half-life of less than 60 s; the antistatic fiber is difficult to accumulate static charge, the antistatic fiber is preferably a nanoscale metal oxide type antistatic fiber, the light color transparent characteristic of the nanoscale metal oxide powder can be used for preparing the nanoscale metal oxide type antistatic fiber with light color and high transparency, and the characteristics of high light transmittance of the toughened film are met.

In one preferred embodiment, the soft fiber layer 22 and the antistatic fiber layer 24 have the same thickness, and the design thickness is 0.01-0.04 mm.

In the preferred embodiment of the present invention, the AB glue layer 3 shown in fig. 3 includes an optical glue adhered to the lower surface of the antistatic fiber layer 24 and a silica gel adhered to the lower surface of the optical glue.

In one preferred embodiment, the optical adhesive is prepared from an OCA optical adhesive which is colorless and transparent, the light transmittance is over 90%, and the viscosity of the silica gel 35 is 150-350 g/(cm · s), and the silica gel resin under the viscosity condition can enable the AB adhesive layer 3 to be perfectly attached to the mobile phone screen.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel toughened glass protection film which characterized in that: comprises an AR coating, a toughened glass layer and an AB adhesive layer which are sequentially connected from top to bottom; the toughened glass layer comprises a first toughened glass base layer, a soft fiber layer, a second toughened glass base layer and an antistatic fiber layer which are sequentially compounded from top to bottom.

2. The novel tempered glass protective film according to claim 1, wherein: the total thickness of the toughened glass layer is 0.09-0.23 mm.

3. The novel tempered glass protective film according to claim 2, wherein: the thickness of the first toughened glass base layer is 0.02-0.08 mm, and the thickness of the second toughened glass base layer is 0.05-0.12 mm.

4. The novel tempered glass protective film according to claim 1, wherein: the soft fiber layer is bonded between the first toughened glass base layer and the second toughened glass base layer.

5. The novel tempered glass protective film according to claim 1, wherein: the antistatic fiber layer is fixedly bonded on the lower surface of the second toughened glass base layer.

6. The novel tempered glass protective film according to claim 1, wherein: the thicknesses of the soft fiber layer and the antistatic fiber layer are equal.

7. The novel tempered glass protective film according to claim 1, wherein: the AR coating is sprayed or electroplated on the upper surface of the toughened glass film.

8. The novel tempered glass protective film according to claim 1, wherein: the AB glue layer comprises an optical glue adhered to the lower surface of the antistatic fiber layer and silica gel adhered to the lower surface of the optical glue.