CN219032065U - Ultraviolet light-resistant photochromic eye-protecting protective film - Google Patents
Ultraviolet light-resistant photochromic eye-protecting protective film Download PDFInfo
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- CN219032065U CN219032065U CN202223332825.2U CN202223332825U CN219032065U CN 219032065 U CN219032065 U CN 219032065U CN 202223332825 U CN202223332825 U CN 202223332825U CN 219032065 U CN219032065 U CN 219032065U
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Abstract
The utility model discloses an ultraviolet light-proof photochromic eye protection film, which relates to the technical field of protection films and comprises a toughened glass film layer, an OCA optical AB adhesive layer and a PC bottom plate layer which are sequentially connected, wherein the total thickness is 430-720 mu m, a protective film structure is formed by sequentially connecting the toughened glass film layer, the optical OCA adhesive layer, the photochromic layer, a base material layer, a silica gel layer and the PC bottom plate layer, blue light from a display screen can be filtered, the blue light-proof and ultraviolet-proof effects are improved, the transmittance of visible light can be automatically regulated along with the intensity of sunlight or ultraviolet rays, the light-proof and ultraviolet-proof effects can be restored to an initial state under the conditions of no strong light and ultraviolet irradiation, so that the screen light is soft, eye fatigue is prevented, the stinging feeling caused by reflection of outdoor strong light on the surface of the screen is avoided, the eyes is effectively protected, the cost is effectively reduced, and the ultraviolet light-proof eye protection film is widely applied to the field of screen protection of the display screen.
Description
Technical Field
The utility model relates to the technical field of protective films, in particular to an ultraviolet light-proof photochromic eye-protecting protective film.
Background
With the popularization of electronic products such as mobile phones and computers, people cannot leave the mobile phones and the computer products more and more in life and work. When a user uses the mobile phone outdoors from indoor to outdoor, the user cannot see clearly due to reflection of outdoor strong light on the screen, particularly in summer with strong sunlight, the reflection of the screen can cause stinging sense to eyes, further the light reflected by the screen of the mobile phone is strong, discomfort is easily caused to eyes of the user, and comfort of the user is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an ultraviolet light prevention photochromic eye protection film, which solves the problems that when a mobile phone is used outdoors, the light reflected by a mobile phone screen is strong, discomfort is easily caused to eyes of people, and the comfort of users is influenced.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: an ultraviolet light-resistant photochromic eye-protecting protective film comprises a toughened glass film layer, an OCA optical AB glue layer and a PC bottom plate layer which are sequentially connected, wherein the total thickness of the toughened glass film layer, the OCA optical AB glue layer and the PC bottom plate layer is 430-720 mu m;
the OCA optical AB glue layer comprises a substrate layer, wherein a photochromic layer is arranged on the upper surface of the substrate layer and used for photochromism, blue light absorption and ultraviolet light absorption, the upper surface of the photochromic layer is connected with a toughened glass film layer in an adhesive manner through the optical OCA glue layer, and the lower surface of the substrate layer is connected with a PC bottom plate layer in an adhesive manner through a silica gel layer.
As a further technical scheme of the utility model, the toughened glass film layer is any one of high alumina silicate glass and soda lime glass, and has a thickness of 250-400 mu m.
As a further technical scheme of the utility model, the substrate layer is any one of a PET film and a PC film, and the thickness is 23-125 mu m.
As a further technical scheme of the utility model, the silica gel layer is an organic silicon pressure-sensitive adhesive, and the thickness is 20-50 mu m.
As a further technical scheme of the utility model, the thickness of the optical OCA adhesive layer is 20-250 μm, and the thickness of the photochromic layer is 2-20 μm.
As a further technical scheme of the utility model, the PC bottom plate layer is a PC release film, and the thickness is 20-125 mu m.
Advantageous effects
The utility model provides an ultraviolet light-resistant photochromic eye-protecting protective film. Compared with the prior art, the method has the following beneficial effects:
the ultraviolet light-proof photochromic eye protection film comprises a toughened glass film layer, an optical OCA adhesive layer, a photochromic layer, a substrate layer, a silica gel layer and a PC bottom plate layer which are sequentially connected to form a protection film structure, blue light from a display screen can be filtered, the blue light-proof rate and ultraviolet-proof effect are improved, the transmittance of visible light can be automatically regulated along with the intensity of sunlight or ultraviolet rays and the like, the screen light can be restored to an initial state under the condition of no strong light or ultraviolet light irradiation, so that the screen light is soft, eye fatigue is prevented, the stinging feeling of the eyes caused by the reflection of outdoor strong light on the surface of the screen is avoided, the eyes are effectively protected, the blue light-proof and photochromic functions are combined into one, the cost is effectively reduced, and the ultraviolet light-proof protective film is widely applied to the field of screen protection of the display screen.
Drawings
FIG. 1 is a schematic view of a structure of an ultraviolet light-proof photochromic eye-protecting protective film;
fig. 2 is a plan view of an ultraviolet light resistant photochromic eye-protecting protective film.
In the figure: 1. a tempered glass film layer; 2. an OCA optical AB glue layer; 3. a PC baseboard layer; 4. an optical OCA glue layer; 5. a photochromic layer; 6. a substrate layer; 7. and a silica gel layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical solution: the ultraviolet light-resistant photochromic eye-protecting protective film comprises a toughened glass film layer 1, an OCA optical AB adhesive layer 2 and a PC bottom plate layer 3 which are sequentially connected, wherein the total thickness of the toughened glass film layer 1 is 430-720 mu m, the toughened glass film layer 1 is any one of high-alumina silica glass and soda lime glass, the thickness of the toughened glass film layer is 250-400 mu m, the PC bottom plate layer 3 is a PC release film, and the thickness of the PC bottom plate layer is 20-125 mu m.
The OCA optical AB glue layer 2 comprises a substrate layer 6, wherein a photochromic layer 5 is arranged on the upper surface of the substrate layer 6, the photochromic layer 5 is used for photochromism, absorbing blue light and absorbing ultraviolet light, the upper surface of the photochromic layer 5 is connected with a toughened glass film layer 1 through an optical OCA glue layer 4 in an adhesive manner, the lower surface of the substrate layer 6 is connected with a PC bottom plate layer 3 through a silica gel layer 7 in an adhesive manner, the substrate layer 6 is any one of a PET film and a PC film, the thickness of the substrate layer is 23-125 mu m, the silica gel layer 7 is an organosilicon pressure-sensitive adhesive, the thickness of the silica gel layer is 20-50 mu m, the thickness of the optical OCA glue layer 4 is 20-250 mu m, and the thickness of the photochromic layer 5 is 2-20 mu m.
In another aspect, the utility model provides a preparation method according to the ultraviolet light-proof photochromic eye-protecting protective film, which comprises the following steps:
s1, manufacturing toughened glass with the thickness of 250-400 mu m as a toughened glass film layer 1 for standby;
s2, mixing and blending thermosetting resin, an ultraviolet absorbent, a thermosetting agent, a leveling agent, a blue light absorbent, a photochromic agent, an additive and a solvent, so as to obtain a photochromic coating liquid;
s3, coating the photochromic coating liquid on the surface of the substrate layer, and heating for curing or ultraviolet curing to form a photochromic layer 5, so as to obtain a semi-finished substrate A1;
s4, coating a silica gel coating liquid on one surface of the semi-finished substrate A1, which is far away from the photochromic layer 5, of the substrate layer 6, heating, drying and curing to form a silica gel layer 7, and attaching a PC bottom plate layer 3 to the surface of the silica gel layer 7 to obtain a semi-finished substrate A2;
s5, coating the optical adhesive coating liquid on the photochromic layer 5 in the semi-finished substrate A2, performing heat curing or ultraviolet curing to form an optical OCA adhesive layer 4, and attaching a silicon release layer on the surface of the optical OCA adhesive layer 4 to obtain a component OCA optical AB adhesive layer 2;
and S6, punching the OCA optical AB adhesive layer 2 into a shape matched with the toughened glass through a cutting die to obtain a finished OCA optical AB adhesive layer 2.
And S7, sequentially connecting the toughened glass film layer 1, the OCA optical AB adhesive layer 2 and the PC substrate layer 3 by using a laminating machine to obtain the finished product ultraviolet light-resistant photochromic eye-protecting protective film.
Example 1
A tempered glass film layer 1 with a thickness of 330 μm, an OCA optical AB glue layer 2 with a thickness of 270 μm and a PC base plate layer with a thickness of 800 μm were selected;
OCA optical AB glue layer 2 structure: the material of the substrate layer 6 is PET, the thickness is 100 μm, the thickness of the photochromic layer 5 is 20 μm, the thickness of the silica gel layer 7 is 50 μm, and the thickness of the optical OCA adhesive layer 4 is 100 μm.
And connecting the OCA optical AB adhesive layer 2 with the toughened glass film layer 1 by using a laminating machine, and then carrying out vacuum defoaming for 15 minutes to obtain the semi-finished product protective film. And after the semi-finished product protective film is connected with the PC bottom plate layer 3 by using a laminating machine, vacuum defoaming is carried out for 10 minutes, and a finished product protective film is obtained.
The thickness of the using layer of the finished protective film is 600 mu m, and the using layer comprises the sum of the thickness of the toughened glass film layer 1 and the thickness of the OCA optical AB adhesive layer 2.
Example 2
Selecting a tempered glass film layer 1 with the thickness of 330 mu m and an OCA optical AB adhesive layer 2 with the thickness of 180 mu m;
OCA optical AB glue layer 2 structure: the material of the substrate layer 6 is PET, the thickness is 50 μm, the thickness of the photochromic layer 5 is 20 μm, the thickness of the silica gel layer 7 is 40 μm, and the thickness of the optical OCA gel layer 4 is 70 μm.
And connecting the OCA optical AB adhesive layer 2 with the toughened glass film layer 1 by using a laminating machine, and then carrying out vacuum defoaming for 15 minutes to obtain the semi-finished product protective film. And after the semi-finished product protective film is connected with the PC bottom plate layer 3 by using a laminating machine, vacuum defoaming is carried out for 10 minutes, and a finished product protective film is obtained.
The thickness of the using layer of the finished protective film is 510 mu m, and the using layer comprises the sum of the thickness of the toughened glass film layer 1 and the thickness of the OCA optical AB adhesive layer 2.
Example 3
Selecting a toughened glass film layer 1 with the thickness of 250 mu m and an OCA optical AB adhesive layer 2 with the thickness of 180 mu m;
OCA optical AB glue layer 2 structure: the material of the substrate layer 6 is PET, the thickness is 50 μm, the thickness of the photochromic layer 5 is 20 μm, the thickness of the silica gel layer 7 is 40 μm, and the thickness of the optical OCA gel layer 4 is 70 μm.
And connecting the OCA optical AB adhesive layer 2 with the toughened glass film layer 1 by using a laminating machine, and then carrying out vacuum defoaming for 15 minutes to obtain the semi-finished product protective film. And after the semi-finished product protective film is connected with the PC bottom plate layer 3 by using a laminating machine, vacuum defoaming is carried out for 10 minutes, and a finished product protective film is obtained.
The thickness of the using layer of the finished protective film is 430 mu m, and the using layer comprises the sum of the thickness of the toughened glass film layer 1 and the thickness of the OCA optical AB adhesive layer 2.
The working principle of the utility model is as follows: the PC bottom plate layer 3 is uncovered at first, and then the protection film is adhered to the surface of a mobile phone or a computer screen through the silica gel layer 7, and then when the mobile phone or the computer screen is used, blue light from the display screen can be filtered, the blue light prevention rate and the ultraviolet resistance effect are improved, the transmittance of visible light can be automatically adjusted along with the intensity of light, the stinging feeling of the eyes caused by the reflection of outdoor strong light on the surface of the screen is avoided, the eyes are effectively protected, the blue light prevention function and the photochromic function are combined, and the cost is effectively reduced.
Claims (5)
1. The ultraviolet light-resistant photochromic eye-protecting protective film is characterized by comprising a toughened glass film layer (1), an OCA optical AB adhesive layer (2) and a PC bottom plate layer (3) which are sequentially connected, wherein the total thickness of the toughened glass film layer is 430-720 mu m;
the OCA optical AB adhesive layer (2) comprises a substrate layer (6), wherein a photochromic layer (5) is arranged on the upper surface of the substrate layer (6), the photochromic layer (5) is used for photochromism, absorbing blue light and absorbing ultraviolet rays, the upper surface of the photochromic layer (5) is in adhesive connection with the toughened glass film layer (1) through an optical OCA adhesive layer (4), and the lower surface of the substrate layer (6) is in adhesive connection with the PC bottom plate layer (3) through a silica gel layer (7);
the thickness of the optical OCA glue layer (4) is 20-250 mu m, and the thickness of the photochromic layer (5) is 2-20 mu m.
2. The ultraviolet light-resistant photochromic eye-protecting protective film according to claim 1, wherein the toughened glass film layer (1) is any one of high alumina silica glass and soda lime glass, and has a thickness of 250-400 μm.
3. The ultraviolet light-resistant photochromic eye-protecting protective film according to claim 1, wherein the substrate layer (6) is any one of a PET film and a PC film, and has a thickness of 23-125 μm.
4. The ultraviolet light-resistant photochromic eye-protecting protective film according to claim 1, wherein said silica gel layer (7) is an organosilicon pressure-sensitive adhesive and has a thickness of 20 μm to 50 μm.
5. The ultraviolet light-resistant photochromic eye-protecting protective film according to claim 1, wherein the PC bottom plate layer (3) is a PC release film and has a thickness of 20-125 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223332825.2U CN219032065U (en) | 2022-12-13 | 2022-12-13 | Ultraviolet light-resistant photochromic eye-protecting protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223332825.2U CN219032065U (en) | 2022-12-13 | 2022-12-13 | Ultraviolet light-resistant photochromic eye-protecting protective film |
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| Publication Number | Publication Date |
|---|---|
| CN219032065U true CN219032065U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223332825.2U Active CN219032065U (en) | 2022-12-13 | 2022-12-13 | Ultraviolet light-resistant photochromic eye-protecting protective film |
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| Country | Link |
|---|---|
| CN (1) | CN219032065U (en) |
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- 2022-12-13 CN CN202223332825.2U patent/CN219032065U/en active Active
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