Anti-ultraviolet photochromic eye protection film for mobile phone

Abstract

The utility model relates to the technical field of eye-protecting protective films for mobile phones, and discloses an anti-ultraviolet photochromic eye-protecting protective film for mobile phones, which comprises a toughened glass layer, an LOCA optical cement layer, a photochromic layer, a base material layer, a silica gel layer and a tearable film, the end face of one end of the toughened glass layer, which is correspondingly connected with the LOCA optical cement layer, is provided with a bonding glue layer, and the end face of the other end of the toughened glass layer is provided with an anti-ultraviolet photochromic layer. The end face of one end, correspondingly connected with the tempered glass layer, of the LOCA layer is provided with a protective film to be bonded with the adhesive layer, and the end face of one end, deviating from the tempered glass layer, of the LOCA layer is sequentially provided with a photochromic layer, a base material layer, a silica gel layer and a tearable film for surface contact bonding. According to the eye protection film for the mobile phone, the eyes of a user can be effectively protected through the inner LOCA optical adhesive layer and the photochromic layer, and the dazzling problem caused by ultraviolet rays, blue light and external strong light reflection is greatly solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of eye -protecting protective film for mobile phone, concretely is an eye -protecting protective film for mobile phone of ultraviolet photochromic. BACKGROUND

[0002] Ultraviolet (UV) is the general term of electromagnetic spectrum with frequency of 750THZ-30PHZ, corresponding to wavelength of 400nm-10nm radiation in vacuum, ultraviolet has strong stimulating effect on human eyes, because of short wavelength, high frequency and high energy, it has strong penetration in the retina area of eyes, long time irradiation can cause macular degeneration, there is also a small amount of ultraviolet and a large amount of violet and blue light close to ultraviolet band in electronic products, long time use of electronic products, these high-energy ultraviolet and blue-violet light can also cause great and irreversible damage to human eyes, and further cause vision decline, blurred vision, yellowing, dimness and other phenomena, and can cause macular degeneration

[0003] With the wide application of mobile phones, computers and other electronic devices, modern people's life and work become more and more dependent on these electronic products, especially under strong light irradiation outdoors, users often can not see the content when using mobile phones because of the reflection of the screen, especially in the summer when the sun is scorching, using mobile phones can cause eye pain, which is mainly because the strong light reflected by the mobile phone screen causes eye discomfort, therefore, we provide an eye -protecting protective film for mobile phone of ultraviolet photochromic. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of prior art, the utility model provides an eye -protecting protective film for mobile phone of ultraviolet photochromic, which solves the above problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: an eye -protecting protective film for mobile phone of ultraviolet photochromic, including toughened glass layer, LOCA optical adhesive layer, photochromic layer, base material layer, silica gel layer and tearable film, one end face of toughened glass layer corresponding connection LOCA optical adhesive layer is equipped with a layer of adhesive layer, and one end face of LOCA optical adhesive layer corresponding connection toughened glass layer is equipped with protective film and adhesive layer and is bonded, and the end face of LOCA optical adhesive layer away from toughened glass layer is sequentially provided with photochromic layer, base material layer, silica gel layer and tearable film and is bonded with surface contact.

[0006] Preferably, the toughened glass layer is composed of three parts, which are scratch-resistant coating, glass layer and adhesive layer, the middle part of the toughened glass layer is the glass layer, and the end face of the glass layer away from the LOCA optical adhesive layer is provided with the scratch-resistant coating.

[0007] Preferably, the glass layer is any one of high alumina silica glass, soda lime glass.

[0008] Preferably, the LOCA optical adhesive layer is composed of a protective film, a heavy release layer, a LOCA adhesive layer and a light release layer in sequence, one end of the LOCA optical adhesive layer away from the tempered glass layer is the light release layer in contact with the photochromic layer, and the LOCA optical adhesive layer has the LOCA adhesive layer at one end corresponding to the light release layer.

[0009] Preferably, the silica gel layer is any one of polyurethane resin or solvent type acrylic pressure sensitive adhesive.

[0010] Preferably, the photochromic layer is internally provided with any one of organic photochromic materials such as spiropyrans, spirooxazines, azobenzenes and diarylethene.

[0011] Compared with the prior art, the utility model provides a kind of UV light-induced color change eye protection film for mobile phone, with the following beneficial effects:

[0012] 1、The eye protection film for mobile phone, the LOCA optical adhesive layer and the photochromic layer are used to effectively protect the eyes of the user, and the glare problem caused by the reflection of ultraviolet light, blue light and external strong light is greatly reduced.

[0013] 2、The eye protection film for mobile phone is sprayed with a layer of scratch-resistant coating on the outermost tempered glass layer, so that the mobile phone screen eye protection film has strong protective effect and effectively improves the service life. DETAILED DESCRIPTION

[0014] Fig. 1 It is the structure diagram of the eye protection film for mobile phone;

[0015] Fig. 2 It is the sectional view of the LOCA optical adhesive layer;

[0016] Fig. 3 It is the sectional view of the tempered glass layer.

[0017] In the figure: 1, tempered glass layer; 2, LOCA optical adhesive layer; 3, photochromic layer; 4, base layer; 5, silica gel layer; 6, tearable film; 7, protective film; 8, heavy release layer; 9, LOCA adhesive layer; 10, light release layer; 11, scratch-resistant coating; 12, glass layer; 13, adhesive layer. DETAILED DESCRIPTION

[0018] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0019] Please refer to Figs. 1-3 An ultraviolet-induced discoloration eye protection film for mobile phone, comprising a tempered glass layer 1, a LOCA optical adhesive layer 2, a photochromic layer 3, a base layer 4, a silica gel layer 5 and a tearable film 6, one end face of the tempered glass layer 1 corresponding to the LOCA optical adhesive layer 2 is provided with an adhesive layer 13, and one end face of the LOCA optical adhesive layer 2 corresponding to the tempered glass layer 1 is provided with a protective film 7 and an adhesive layer 13 for adhesion, and one end face of the LOCA optical adhesive layer 2 away from the tempered glass layer 1 is sequentially provided with the photochromic layer 3, the base layer 4, the silica gel layer 5 and the tearable film 6 for surface contact adhesion.

[0020] Further, the tempered glass layer 1 is composed of three parts, namely a scratch-resistant coating 11, a glass layer 12 and an adhesive layer 13, the middle part of the tempered glass layer 1 is the glass layer 12, one end face of the glass layer 12 away from the LOCA optical adhesive layer 2 is provided with the scratch-resistant coating 11, the adhesive layer 13 mainly plays a connecting role to ensure the reliability of the connection between the tempered glass layer 1 and the LOCA optical adhesive layer 2, and the scratch-resistant coating 11 has strong protection effect, effectively improving the service life.

[0021] Further, the glass layer 12 is any one of high-aluminum-silicon glass and soda-lime glass, and the two materials are well-known for their high light transmittance, high hardness and good wear resistance, and the high-aluminum-silicon glass has a high content of aluminum element, so it has stronger pressure resistance and scratch resistance.

[0022] Further, the LOCA optical adhesive layer 2 is composed of four parts, namely a protective film 7, a heavy release layer 8, a LOCA adhesive layer 9 and a light release layer 10, one end face of the LOCA optical adhesive layer 2 away from the tempered glass layer 1 is the light release layer 10 for surface contact adhesion with the photochromic layer 3, and one end of the LOCA optical adhesive layer 2 corresponding to the light release layer 10 is the LOCA adhesive layer 9, the LOCA adhesive layer 9 is a special adhesive with colorless transparency and light transmittance of more than 98%, it has good adhesive strength and yellowing resistance, and excellent ultraviolet resistance, which can effectively prevent the influence of ultraviolet on optical elements and ensure the original color and transparency, and it is suitable for curing under normal or medium temperature conditions, and the LOCA has special advantages in some application fields and can solve some limitations of OCA adhesive tape.

[0023] Further, the silica gel layer 5 is any one of polyurethane resin or solvent type acrylic pressure sensitive adhesive.

[0024] Further, the photochromic layer 3 is internally provided with any one of organic photochromic materials such as spiropyrans, spirooxazines, azobenzenes and diarylethene, and the photochromic layer 3 is a kind of material capable of changing color after being excited by light source, and the change is usually reversible, and the photochromic phenomenon is that the molecular structure of the above-mentioned compounds changes under the action of light with certain wavelength and intensity, thereby causing the corresponding change of the absorption peak of light, i.e. color.

[0025] Working principle: according to the diagram, the ultraviolet light protection photochromic eye protection film for mobile phone is correctly installed, the tearable film 6 at the bottom of the protection film is torn off, so that the silica gel layer 5 at one end corresponding to the mobile phone screen is exposed, and the silica gel layer 5 is aligned and attached to the mobile phone screen, thereby completing the attachment of the protection film, when the user uses the mobile phone with the attached protection film, the ultraviolet light and blue light emitted by the mobile phone body will be filtered by the LOCA optical adhesive layer 2 and the photochromic layer 3 in the protection film, thereby ensuring the effective protection of the user's eyes, and the LOCA optical adhesive layer 2 can also cope with the sudden exposure phenomenon, effectively adjusting the brightness of the user's mobile phone eye protection film, and reducing the stinging sensation of the user's eyes caused by exposure to strong light.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An ultraviolet photochromic eye protection film for mobile phones, comprising a tempered glass layer (1), a LOCA optical adhesive layer (2), a photochromic layer (3), a base layer (4), a silica gel layer (5) and a tearable film (6), characterized in that: The toughened glass layer (1) is provided with an adhesive layer (13) corresponding to the end surface of one end of the LOCA optical adhesive layer (2), the LOCA optical adhesive layer (2) is provided with a protective film (7) and an adhesive layer (13) corresponding to the end surface of one end of the toughened glass layer (1), the end surface of one end of the LOCA optical adhesive layer (2) away from the toughened glass layer (1) is sequentially provided with a photochromic layer (3), a base layer (4), a silica gel layer (5) and a tearable film (6) for surface contact and adhesion.

2. The anti-UV photochromic eye protection film for mobile phone according to claim 1, characterized in that: The toughened glass layer (1) is composed of three parts, namely a scratch-resistant coating (11), a glass layer (12) and an adhesive layer (13), the middle part of the toughened glass layer (1) is the glass layer (12), and the end surface of one end of the glass layer (12) away from the LOCA optical adhesive layer (2) is provided with the scratch-resistant coating (11).

3. The anti-UV photochromic eye protection film for mobile phone according to claim 2, characterized in that: The glass layer (12) is any one of high aluminum silicon glass and sodium calcium glass.

4. The anti-UV photochromic eye protection film for mobile phone according to claim 2, characterized in that: The LOCA optical adhesive layer (2) is composed of four parts, namely a protective film (7), a heavy release layer (8), a LOCA adhesive layer (9) and a light release layer (10), the end surface of one end of the LOCA optical adhesive layer (2) away from the toughened glass layer (1) is the light release layer (10) in surface contact and adhesion with the photochromic layer (3), and the LOCA optical adhesive layer (2) is provided with the LOCA adhesive layer (9) corresponding to one end of the light release layer (10) inside.

5. The anti-UV photochromic eye protection film for mobile phone according to claim 1, characterized in that: The silica gel layer (5) is any one of polyurethane resin or solvent type acrylic pressure sensitive adhesive.

6. The anti-UV photochromic eye protection film for mobile phone according to claim 4, characterized in that: The photochromic layer (3) is provided with any one of organic photochromic materials such as spiropyrans, spirooxazines, azobenzenes and diarylethene.

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