CN216956422U - Blue light prevention eye protection film for oversized display screen - Google Patents
Blue light prevention eye protection film for oversized display screen Download PDFInfo
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- CN216956422U CN216956422U CN202220230686.3U CN202220230686U CN216956422U CN 216956422 U CN216956422 U CN 216956422U CN 202220230686 U CN202220230686 U CN 202220230686U CN 216956422 U CN216956422 U CN 216956422U
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Abstract
The utility model discloses a blue light prevention eye protection film for an oversized display screen, which comprises a protective layer, a first adhesive layer, a blue light prevention layer, a heat dissipation layer, a second adhesive layer and a protective layer; the protective layer is arranged above the first adhesive layer, the first adhesive layer is arranged above the blue light prevention layer, the blue light prevention layer is arranged above the heat dissipation layer, the heat dissipation layer is arranged above the second adhesive layer, and the second adhesive layer is arranged above the protective film; the anti-blue light layer is composed of a nano grating layer and a reinforcing layer, the nano grating layer is arranged on the reinforcing layer, and a nano grating microstructure is arranged on the nano grating layer; prevent that blue light layer is in the same place through first viscose layer and protective layer laminating, the heat dissipation layer is in the same place through second viscose layer and protective layer laminating. The utility model not only can accurately filter the short-wave blue light of 430 nm-460nm of electronic products, inhibit the environment glare, has no color cast, low cost, simple and convenient film pasting and no bubble residue. The blue-light LED display screen is applied to an oversized display screen, and the harm of harmful blue light in the screen to eyes can be greatly reduced.
Description
Technical Field
The utility model relates to the technical field of eye protection films, in particular to a blue light prevention eye protection film structure for an oversized display screen.
Background
With the change of science and technology, electronic devices such as mobile phones, tablets, computers and transparent windows become necessities for daily life and work. In some fields, large display screens are increasingly widely used, for example, in the field of education, at present, in an educational system, a large display screen with 80 inches or more is equipped in each class, and the standard configuration is started, but with the increase of the size and the operation power of the display screen, the damage to eyes caused by blue light radiation is more and more concerned.
Scientific research proves that the 415nm-460nm short-wave blue light has extremely high energy, and as can be seen from GB/T20145-2006/CIE S009/E:2002 Table 2, the blue light hazard weighting function B (lambda) with the wavelength of 415nm-460nm is 0.8-1, and the short-wave blue light can penetrate through crystalline lens and reach retina to cause the retinal pigment epithelial cell to die, so that the photosensitive cell lacks nutrients to cause vision damage. These lesions are irreversible and have become a major causative factor in eye disease. Research further finds that blue light of electronic products is mainly concentrated in 430 nm-460nm, and therefore, the electronic products need to prevent short-wave blue light of 430 nm-460 nm.
At present, the blue-light-proof eye protection film aiming at the oversized display screen has a plurality of defects in the market. For example, the problems of inconvenient transportation, low yield, high cost, high film sticking difficulty, easy generation of bubbles and the like exist. Therefore, it is necessary to develop a blue light prevention eye protection film for a very large display screen.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a blue light prevention eye protection film for an oversized display screen, which is used as a film for the oversized display screen, can accurately filter a blue light wave band harmful to human eyes of an electronic product, does not influence the transmission of beneficial light, can inhibit environment glare, is natural and comfortable, has no color cast, is low in cost, is simple and convenient to paste, and has no bubble residue. Be applied to blue light prevention eyeshield of super large display screen, can reduce the harm of the inside harmful blue light of screen to eyes by a wide margin.
In order to achieve the above object, the solution of the present invention is:
a blue light prevention eye protection film for an oversized display screen comprises a protection layer, a first adhesive layer, a blue light prevention layer, a heat dissipation layer, a second adhesive layer and a protection layer; the protective layer is arranged above the first adhesive layer, the first adhesive layer is arranged above the blue light prevention layer, the blue light prevention layer is arranged above the heat dissipation layer, the heat dissipation layer is arranged above the second adhesive layer, and the second adhesive layer is arranged above the protective film; the anti-blue light layer is composed of a nano grating layer and a reinforcing layer, the nano grating layer is arranged on the reinforcing layer, and a nano grating microstructure is arranged on the nano grating layer; prevent that blue light layer is in the same place through first viscose layer and protective layer laminating, the heat dissipation layer is in the same place through second viscose layer and protective layer laminating. When the display screen is used, the protective layer is torn, and the second adhesive layer is attached to the oversized display screen.
The protective layer can be one of optical grade PC film, PMMA film, PET film or PU film and AG film.
The nano grating layer is formed by solidifying jelly on the reinforcing layer in a nano stamping or photoetching mode. Wherein the jelly is a composition photocured from an optical grade acrylic gel. The reinforcing layer is one of PET, PP, PC and PE with high optical transmittance, and has a thickness of 1-50 μm.
The nano-grating microstructure can be two-dimensional or three-dimensional, and the shape can be one of rectangular, columnar, sinusoidal or sine-like.
The blue light prevention layer can be decomposed into a plurality of small-size blue light prevention layers through drawing software according to the specific size of the ultra-large display screen, the small-size blue light prevention layers are cut out by a laser engraving machine, and then the small-size blue light prevention layers are assembled on an assembling machine with a lower air suction device according to the sequence of design drawings.
The first adhesive layer is one or a compound of two of acrylic adhesive and PU adhesive, and the thickness of the first adhesive layer is 1-50 mu m. The second adhesive layer is made of low-viscosity silica gel material and has a thickness of 1-50 μm.
The heat dissipation layer is composed of a glue layer and a reinforcing base material, and the glue layer is arranged on the reinforcing base material.
The protective layer is one of PET and PE, and has a thickness of 1-50 μm.
By adopting the scheme, the blue light prevention protective film is different from the existing protective film products on the market. Most of protective films for oversized display screens on the market have no blue light prevention function, or are realized by adding a colored dye glue layer absorbing blue light on one layer or by a multilayer coating method, products on the market have color cast to a certain degree, the added colored blue light prevention dye is yellow, the coated film is blue due to reflection of the blue light in sunlight, the coated film is easy to cause visual fatigue, and even the film can cause color weakness or color blindness after long-term use. The blue light prevention protective film of the oversized display screen is a special composite film structure comprising a blue light prevention layer, the technology of the utility model is designed aiming at a blue light hazard curve, not only can accurately filter 415-460nm blue light which is harmful to retina of human eyes greatly, but also can especially accurately filter 430-460nm short-wave blue light generated by an electronic product, and well solves the problem of color cast, and meanwhile, the beneficial light waves are transmitted to realize asymmetric filtration, no color cast, no environmental glare and no reflection, so that the blue light prevention protective film can play a role of effectively protecting eyes of people using the electronic product for a long time.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a blue light blocking layer according to the present invention;
FIG. 3 is a schematic view of a heat sink layer structure according to the present invention;
FIG. 4 is a schematic illustration of a layout of an oversized eye-protecting film according to the utility model;
FIG. 5 is a spectrum of the present invention.
Description of the reference symbols
The light-emitting diode comprises a protective layer 1, a first adhesive layer 2, a blue light prevention layer 3, a nano grating microstructure 31, a nano grating layer 32, a reinforcing layer 33, a heat dissipation layer 4, a reinforcing base material 41, an adhesive layer 42, a second adhesive layer 5 and a protective layer 6.
Detailed Description
As shown in fig. 1 to 4, the present invention discloses a blue light prevention eye protection film for a super large display screen, which includes a protective layer 1, a first adhesive layer 2, a blue light prevention layer 3, a heat dissipation layer 4, a second adhesive layer 5 and a protective layer 6. The protective layer 1 is arranged above the first adhesive layer 2, the first adhesive layer 2 is arranged above the blue light prevention layer 3, the blue light prevention layer 3 is arranged above the heat dissipation layer 4, the heat dissipation layer 4 is arranged above the second adhesive layer 5, and the second adhesive layer 5 is arranged above the protective film 6. Prevent blue light layer 3 through first viscose layer 2 and inoxidizing coating 1 laminating together, heat dissipation layer 4 through second viscose layer 5 and protective layer 6 laminating together.
In the preferred embodiment of the present invention, the protective layer 1 is an optical grade AG film with a thickness of 125 μm.
The first adhesive layer 2 is made of optical grade acrylic adhesive and has a thickness of 50 μm.
The anti-blue light layer 3 is composed of a nano grating layer 32 and a reinforcing layer 33, the nano grating layer 32 is arranged on the reinforcing layer 33, and a nano grating microstructure 31 is arranged on the nano grating layer 32. The nano-grating layer 32 is formed by solidifying jelly on the reinforcing layer 33 in a nano-imprinting or photoetching mode, and the thickness of the nano-grating layer is 30-35 mu m. Wherein the jelly is composed of a composition which is obtained by photocuring acrylic adhesive with high optical level transmittance. The reinforcing layer 33 is optically high-transmittance PET with a thickness of 20 μm. The nanograting microstructure 31 may be two-dimensional or three-dimensional, and may be one of rectangular, cylindrical, sinusoidal, or sine-like in shape. Taking a three-dimensional structure as an example, the line width of the nano-grating microstructure 31 is 20-50nm, the height is 50-100nm, and the distance is 20-100 nm. The nano-grating layer 32 has a high filtering value for harmful blue light in the spectral range of 400nm to 460nm and a high transmittance for other wavelengths in the visible light range.
In order to be more conveniently attached to an oversized display screen, in a preferred embodiment of the blue-light-proof film, according to the size requirement of the oversized display screen to be specifically attached, a plurality of small-size blue-light-proof layers 3 are designed by software, A/B/C/D … I is adopted, the small-size blue-light-proof layers 3 are cut out by a laser engraving machine, then two small-size blue-light-proof layers 3(A and B) are arranged at the cutting seams of the splicing machine with a lower air suction device according to the sequence of design drawings, a lower air suction switch of the splicing machine is opened, and the seams of every two pieces are uniformly attached by adhesive tapes. And closing the lower air suction switch, taking the third small-sized blue-light-proof layer 3(C) to be next to the plate seam to be aligned continuously, opening the lower air suction switch, and uniformly sticking the seam by using an adhesive tape after the alignment is carried out and no wrinkles exist. And by analogy, until a plurality of small-sized blue light prevention layers 3(D … I) planned by the design drawing are completely pasted, the blue light prevention layer 3 for the ultra-large screen is completed. Prevent blue light layer 3 can adjust enhancement layer 33 material and thickness parameter according to the visual distance requirement of practical application scene, let piece together the version seam and do not exert an influence to the visual effect.
Further, the large-size blue light prevention layer 3 which is well assembled in the previous step is placed on an assembling platform with a lower air suction device, and the protective film of the blue light prevention layer 3 is torn off and is sequentially attached to the large-size heat dissipation layer 4, the second adhesive layer 5 with the protective layer 6, the first adhesive layer 2 and the protective layer 1 on an attaching machine. The blue-light-proof eye protection film prepared by the method can be suitable for pasting films on oversized display screens with any specified sizes and specified shapes.
The heat dissipation layer 4 is composed of a glue layer 42 and a reinforcing substrate 41, the glue layer 42 is arranged on the reinforcing substrate 41, the glue layer 42 has high transmittance and has heat dissipation and bonding performance, the thickness is 30 μm, the reinforcing substrate 41 is optical high transmittance PET, and the thickness is 50 μm.
The second adhesive layer 5 is made of a low-viscosity silica gel material, and the thickness of the second adhesive layer is 1-50 mu m; the adhesive has moderate adhesive capacity, has good re-peeling property when being attached to a liquid crystal screen, does not cause adhesive failure, and can effectively prevent residual adhesive from being left on the surface of the liquid crystal screen; meanwhile, the second adhesive layer 5 has automatic adsorption capacity and good exhaust performance, and can effectively prevent bubbles from being generated when being attached to a liquid crystal screen.
The protective layer 6 is one of PET and PE, and has a thickness of 1-50 μm.
When the display screen is used, the protective layer 6 is torn, the second adhesive layer 5 is attached to the oversized display screen, the film is attached simply and conveniently, and no bubbles are left. The utility model can be used as a film of an oversized display screen, not only can accurately filter a blue light wave band harmful to human eyes, but also can inhibit environment glare, is natural and comfortable, has no color cast, and has low cost. Be applied to blue light prevention eyeshield of super large display screen, can reduce the harm of the inside harmful blue light of screen to eyes by a wide margin.
The blue-light-proof eye protection film product is detected, and the detection data are listed in the following table 1.
TABLE 1
As can be seen from the table 1 and the figure 5, the blue light prevention eye protection film can accurately filter 415nm-460nm blue light which is harmful to retina of human eyes greatly, is applied to an oversized display screen sticking film, can effectively prevent 430-plus 460nm short-wave blue light of an electronic product from damaging the human eyes, and meets the technical requirements of GB/T38120-plus 2019 on light health and light safety application of the blue light protection film.
The above description is only an example of the present invention, and does not limit the scope of the present invention. It should be noted that after reading this description, those skilled in the art can make equivalent changes according to the design concept of the present application, which fall within the protection scope of the present application.
Claims (10)
1. The utility model provides a prevent blue light eye-protecting film for super large display screen which characterized in that: the anti-blue-light layer comprises a protective layer, a first adhesive layer, an anti-blue-light layer, a heat dissipation layer, a second adhesive layer and a protective layer; the protective layer is arranged above the first adhesive layer, the first adhesive layer is arranged above the blue light prevention layer, the blue light prevention layer is arranged above the heat dissipation layer, the heat dissipation layer is arranged above the second adhesive layer, and the second adhesive layer is arranged above the protective film; the anti-blue light layer is composed of a nano grating layer and a reinforcing layer, the nano grating layer is arranged on the reinforcing layer, and a nano grating microstructure is arranged on the nano grating layer; prevent that blue light layer is in the same place through first viscose layer and protective layer laminating, the heat dissipation layer is in the same place through second viscose layer and protective layer laminating.
2. The eye-protecting film for preventing blue light of a super-large display screen of claim 1, wherein: the protective layer is one of an optical-grade PC film, a PMMA film, a PET film or a PU film and an AG film.
3. The blue-light prevention eye protection film for the oversized display screen, according to claim 1, wherein: the first adhesive layer is one of acrylic adhesive and PU adhesive.
4. The blue-light prevention eye protection film for the oversized display screen, according to claim 1, wherein: the nano grating layer is formed by solidifying jelly on the reinforcing layer in a nano stamping or photoetching mode.
5. The blue-light prevention eye protection film for the oversized display screen, according to claim 4, wherein: the jelly is a composition photocured by optical grade acrylic gel, and the reinforcing layer is one of PET, PP, PC and PE with high optical transmittance.
6. The blue-light prevention eye protection film for the oversized display screen, according to claim 1, wherein: the nano-grating microstructure is two-dimensional or three-dimensional, and the shape of the nano-grating microstructure is one of rectangle, column, sine shape or sine-like shape.
7. The blue-light prevention eye protection film for the oversized display screen, according to claim 1, wherein: the blue light prevention layer is decomposed and cut into a plurality of small blue light prevention layers according to the specific size of the oversized display screen, and the small blue light prevention layers are formed by makeup according to the sequence of design drawings.
8. The blue-light prevention eye protection film for the oversized display screen, according to claim 1, wherein: the second adhesive layer is made of low-viscosity silica gel material.
9. The blue-light prevention eye protection film for the oversized display screen, according to claim 1, wherein: the heat dissipation layer is composed of a glue layer and a reinforcing base material, and the glue layer is arranged on the reinforcing base material.
10. The blue-light prevention eye protection film for the oversized display screen, according to claim 1, wherein: the protective layer is one of PET and PE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220230686.3U CN216956422U (en) | 2022-01-27 | 2022-01-27 | Blue light prevention eye protection film for oversized display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220230686.3U CN216956422U (en) | 2022-01-27 | 2022-01-27 | Blue light prevention eye protection film for oversized display screen |
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| Publication Number | Publication Date |
|---|---|
| CN216956422U true CN216956422U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220230686.3U Active CN216956422U (en) | 2022-01-27 | 2022-01-27 | Blue light prevention eye protection film for oversized display screen |
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| Country | Link |
|---|---|
| CN (1) | CN216956422U (en) |
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- 2022-01-27 CN CN202220230686.3U patent/CN216956422U/en active Active
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