CN113528048A - Display screen protective film for preventing blue light and production process thereof - Google Patents
Display screen protective film for preventing blue light and production process thereof Download PDFInfo
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- CN113528048A CN113528048A CN202110801452.XA CN202110801452A CN113528048A CN 113528048 A CN113528048 A CN 113528048A CN 202110801452 A CN202110801452 A CN 202110801452A CN 113528048 A CN113528048 A CN 113528048A
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- 230000001681 protective effect Effects 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title abstract description 12
- 239000010408 film Substances 0.000 claims abstract description 168
- 239000000853 adhesive Substances 0.000 claims abstract description 38
- 230000003678 scratch resistant effect Effects 0.000 claims abstract description 37
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 239000010409 thin film Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 5
- 238000013329 compounding Methods 0.000 claims abstract description 5
- 238000009792 diffusion process Methods 0.000 claims description 44
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 42
- 239000011248 coating agent Substances 0.000 claims description 34
- 238000000576 coating method Methods 0.000 claims description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 abstract description 10
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- 210000005252 bulbus oculi Anatomy 0.000 abstract description 6
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- 230000006750 UV protection Effects 0.000 description 2
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- 239000003086 colorant Substances 0.000 description 1
- 238000009503 electrostatic coating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000005081 epithelial layer Anatomy 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The invention discloses a blue light prevention display screen protective film and a production process thereof, belonging to the technical field of protective films and comprising a film substrate layer, wherein the bottom surface of the film substrate layer is connected with a release layer, and the top surface of the film substrate layer is connected with a blue light blocking layer; and a scratch-resistant layer is adhered on the blue light blocking layer. According to the display screen protective film capable of preventing blue light and the production process thereof, a part of natural light is reflected by the upper reflecting film and the lower reflecting film, short-wave blue light is absorbed by the blue-light-resistant film, the display screen and the reflected light are filtered, harm to eyeballs is reduced, the thin film substrate layer, the release layer connection layer, the blue-light-resistant blocking layer and the scratch-resistant layer are adhered by the blue-light-resistant adhesive, the blue-light-resistant adhesive is formed by compounding the blue-light-resistant master batch with the particle size of 30 nanometers and the blue-light-resistant factor, the blue light with the particle size of 300 plus 400 nanometers is absorbed, the blue light is filtered in a multilayer mode by matching with the blue-light-resistant adhesive, and the blue light with the short wave is ensured to be absorbed.
Description
Technical Field
The invention relates to the technical field of display screen protective films, in particular to a blue light prevention display screen protective film and a production process thereof.
Background
Visible light is a part which can be perceived by human eyes in the electromagnetic spectrum and consists of seven colors of red, orange, yellow, green, blue and purple. Generally, the electromagnetic wavelength which can be perceived by human eyes is between 400nm and 760nm, but under the influence of human genetic genes, the range of each visible electromagnetic wave has some differences, and the 3C electronic product screen projects blue light of light. Blue light is commonly found in electronic products such as computers, mobile phones, projectors, bath heaters, LED display screens and the like. The electromagnetic wave is blue light with the wave band of 430nm-480nm, and the blue light emitted by the 3C electronic product screen can penetrate through eyeballs and directly reach retinas and macula lutea. When the retina is irradiated by long-term blue light, retinal pigment epithelial cells die, and when the retinal pigment epithelial cells die, nutrition cannot be provided for light sensing area cells on a retinal pigment epithelial layer, so that eye diseases such as macular degeneration and the like are caused.
CN201520920622.6 discloses a prevent blue light protection film, to prevent that PET in the blue light protection film from type membrane peeling off, the silica gel coating lower part bonds on the electronic equipment screen in the use layer, and anti blue light coating 12 filters the blue light that gives off in the electronic equipment screen effectively.
The blue light prevention protective film disclosed by CN202010786360.4 has excellent shock absorption and scratch resilience, can effectively buffer impact, prevent screen bursting or glass or plastic panels from being broken and scattered due to careless impact, reduce recessive damage to the glass panels, and has a self-repairing function for fine scratches generated on hard objects so as to ensure user safety.
The above patent has the following problems:
blue light is prevented only through single blue light membrane of preventing, and does not strengthen the multilayer and prevent the means of blue light, if single blue light membrane of preventing takes place partial damage, then can't accomplish the blue light of preventing of shortwave totally.
Disclosure of Invention
The invention aims to provide a display screen protective film for preventing blue light and a production process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a display screen protective film for preventing blue light comprises a thin film substrate layer, wherein the bottom surface of the thin film substrate layer is connected with a release layer, and the top surface of the thin film substrate layer is connected with a blue light blocking layer;
and a scratch-resistant layer is adhered on the blue light blocking layer.
Further, the film base material layer comprises a PE base layer, a TFT base layer, an upper diffusion sheet and a lower diffusion sheet, the PE base layer covers the TFT base layer through an adhesive, and the outer sides of the PE base layer and the TFT base layer are respectively fixed with the upper diffusion sheet and the lower diffusion sheet.
Furthermore, the release layer comprises an iron oxide film layer and a bottom film layer, one surface of the iron oxide film layer is covered on the bottom film layer through an adhesive, and the other surface of the iron oxide film layer is connected with the lower diffusion sheet.
Further, blue light barrier layer includes reflectance coating, reflectance coating and anti blue light membrane down, goes up reflectance coating and reflectance coating down and sets up respectively in the both sides of anti blue light membrane, and the another side and the last diffusion piece of lower reflectance coating bond.
Further, resistant layer of scraping includes antistatic coating, prevents scraping anti-oil stain layer, static self-adhesion and inhales rete, ultraviolet resistance layer and high temperature resistant layer, prevents scraping anti-oil stain layer and inhales the rete through static self-adhesion and is connected with antistatic coating, and antistatic coating, ultraviolet resistance layer and high temperature resistant layer are from last to stacking in proper order down and being connected, and high temperature resistant layer bonds with last reflectance coating.
Further, the blue-light-resistant film absorbs blue light of 300-350nm, and the thickness of the blue-light-resistant film is 6-8 μm.
The invention provides another technical scheme, which comprises a production process of a display screen protective film for preventing blue light, and the production process comprises the following steps:
s1: preparing a film base material layer: coating silica gel glue on the PE base layer and the TFT base layer, and simultaneously adhering the PE base layer and the TFT base layer with the upper diffusion sheet and the lower diffusion sheet under the baking condition of the temperature of 90-110 ℃;
s3: preparing a release layer: connecting the iron oxide film layer and the bottom film layer, heating at 80-90 deg.C for 1-2min, and performing UV irradiation to the iron oxide film layer and the bottom film layer for composite molding;
s3: preparing a blue light blocking layer: one side of each of the upper reflecting film and the lower reflecting film is provided with frosted textures, and the other sides of the upper reflecting film and the lower reflecting film are connected with the blue light resisting film and are baked and cured at the temperature of 80-90 ℃;
s4: preparing a scratch-resistant layer: the anti-oil stain scraping layer, the electrostatic self-adhesive film absorbing layer, the antistatic coating, the ultraviolet resistant layer and the high temperature resistant layer are sequentially arranged from top to bottom, a binder is coated among the anti-oil stain scraping layer, the electrostatic self-adhesive film absorbing layer, the antistatic coating, the ultraviolet resistant layer and the high temperature resistant layer, and the anti-scratch layer with the dry film thickness of 3-5 microns is obtained through ultraviolet curing;
s5: molding: the film substrate layer, the release layer is connected, and the blue light blocking layer and the scratch-resistant layer are adhered through the blue light-resistant adhesive.
Further, for S5, the blue-light-resistant adhesive is formed by grinding blue-light-resistant master batches with the particle size of 30 nanometers and compounding blue-light-resistant factors, and absorbs blue light with the particle size of 300-400 nm.
Compared with the prior art, the invention has the beneficial effects that:
according to the display screen protective film capable of preventing blue light and the production process thereof, a part of natural light is reflected by the upper reflecting film and the lower reflecting film, short-wave blue light is absorbed by the blue-light-resistant film, the display screen and the reflected light are filtered, harm to eyeballs is reduced, the thin film substrate layer, the release layer connection layer, the blue-light-resistant blocking layer and the scratch-resistant layer are adhered by the blue-light-resistant adhesive, the blue-light-resistant adhesive is formed by compounding the blue-light-resistant master batch with the particle size of 30 nanometers and the blue-light-resistant factor, the blue light with the particle size of 300 plus 400 nanometers is absorbed, the blue light is filtered in a multilayer mode by matching with the blue-light-resistant adhesive, and the blue light with the short wave is ensured to be absorbed.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a diagram of the structure of the thin film substrate layer of the present invention;
FIG. 3 is a structural view of a release layer according to the present invention;
FIG. 4 is a diagram of a blue light blocking layer of the present invention;
FIG. 5 is a view showing the structure of a scratch resistant layer of the present invention.
In the figure: 1. a thin film substrate layer; 11. a PE base layer; 12. a TFT base layer; 13. an upper diffusion sheet; 14. a lower diffusion sheet; 2. a release layer; 21. an iron oxide film layer; 22. a base film layer; 3. a blue light blocking layer; 31. an upper reflective film; 32. a lower reflective film; 33. a blue-resistant film; 4. a scratch resistant layer; 41. electrostatic coating; 42. a scratch-resistant and oil stain-resistant layer; 43. an electrostatic self-adhesive suction film layer; 44. an anti-ultraviolet layer; 45. a high temperature resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a protective film for a display screen capable of preventing blue light includes,
the film substrate layer 1, the bottom surface of the film substrate layer 1 is connected with the release layer 2, and the top surface of the film substrate layer 1 is connected with the blue light blocking layer 3;
and a scratch-resistant layer 4 is adhered on the blue light blocking layer 3.
Referring to fig. 2, the film base layer 1 includes a PE base layer 11, a TFT base layer 12, an upper diffusion sheet 13, and a lower diffusion sheet 14, the PE base layer 11 is covered on the TFT base layer 12 by an adhesive, outer sides of the PE base layer 11 and the TFT base layer 12 are fixed to the upper diffusion sheet 13 and the lower diffusion sheet 14, respectively, and the upper diffusion sheet 13 and the lower diffusion sheet 14 are fixed to the upper diffusion sheet 13 and the lower diffusion sheet 14, respectively.
Referring to fig. 3, the release layer 2 includes an iron oxide film layer 21 and a base film layer 22, one side of the iron oxide film layer 21 is covered on the base film layer 22 through an adhesive, and the other side of the iron oxide film layer 21 is connected to the lower diffusion sheet 14.
Referring to fig. 4, the blue light blocking layer 3 includes an upper reflective film 31, a lower reflective film 32 and a blue light resistant film 33, the upper reflective film 31 and the lower reflective film 32 are respectively disposed on two sides of the blue light resistant film 33, the other side of the lower reflective film 32 is bonded to the upper diffusion sheet 13, the blue light resistant film 33 absorbs blue light of 300-350nm, the thickness of the blue light resistant film 33 is 6-8 μm, a part of natural light is reflected by the upper reflective film 31 and the lower reflective film 32, the blue light resistant film 33 absorbs short-wave blue light, the display screen and the reflected light are filtered, and the harm to the eyeball is reduced.
Referring to fig. 5, the scratch-resistant layer 4 includes an antistatic coating 41, a scratch-resistant and oil stain-resistant layer 42, an electrostatic self-adhesive film-absorbing layer 43, an ultraviolet-resistant layer 44 and a high temperature-resistant layer 45, the scratch-resistant and oil stain-resistant layer 42 is connected with the antistatic coating 41 through the electrostatic self-adhesive film-absorbing layer 43, the antistatic coating 41, the ultraviolet-resistant layer 44 and the high temperature-resistant layer 45 are sequentially connected from top to bottom in an overlapping manner, the high temperature-resistant layer 45 is bonded with the upper reflective film 31, the scratch-resistant layer 4 is used for playing a scratch-resistant and oil stain-resistant role, and the influence of static electricity is eliminated through the antistatic coating 41.
A production process of a display screen protective film for preventing blue light comprises the following steps:
the method comprises the following steps: preparation of a film base material layer 1: coating silica gel glue on the PE base layer 11 and the TFT base layer 12, and simultaneously adhering the silica gel glue to the upper diffusion sheet 13 and the lower diffusion sheet 14 under the baking condition of the temperature of 90-110 ℃;
step two: preparing a release layer 2: connecting the iron oxide film layer 21 and the bottom film layer 22 with each other, heating at 80-90 ℃ for 1-2min, and performing UV irradiation on the iron oxide film layer 21 and the bottom film layer 22 for composite molding;
step three: preparation of the blue light blocking layer 3: frosted textures are made on one surfaces of the upper reflecting film 31 and the lower reflecting film 32, the other surfaces of the upper reflecting film 31 and the lower reflecting film 32 are connected with the anti-blue light film 33, and baking and curing are carried out at the temperature of 80-90 ℃;
step four: preparation of scratch-resistant layer 4: the scratch-resistant and anti-oil stain layer 42, the static self-adhesive absorption film layer 43, the antistatic coating 41, the ultraviolet-resistant layer 44 and the high-temperature-resistant layer 45 are sequentially arranged from top to bottom, adhesives are coated among the scratch-resistant and anti-oil stain layer 42, the static self-adhesive absorption film layer 43, the antistatic coating 41, the ultraviolet-resistant layer 44 and the high-temperature-resistant layer 45, and the scratch-resistant layer 4 with the dry film thickness of 3-5 mu m is obtained through ultraviolet curing;
step five: molding: the film substrate layer 1, from type layer 2 connection, paste through the binder of anti blue light between blue light barrier layer 3 and the resistant layer 4, anti blue light binder is through grinding for the particle size 30 nanometer prevent that the blue light master batch forms with anti blue light factor complex, absorbs 300 and 400nm blue light, and the cooperation is anti blue light binder, realizes the multiple-layer filtration blue light, ensures that the blue light of shortwave is absorbed.
Example two:
referring to fig. 1, the display screen protective film for preventing blue light comprises a film substrate layer 1, wherein the bottom surface of the film substrate layer 1 is connected with a release layer 2, and the top surface of the film substrate layer 1 is connected with a blue light blocking layer 3; and a scratch-resistant layer 4 is adhered on the blue light blocking layer 3.
Referring to fig. 2, the film base layer 1 includes a PE base layer 11, a TFT base layer 12, an upper diffusion sheet 13, and a lower diffusion sheet 14, the PE base layer 11 is covered on the TFT base layer 12 by an adhesive, outer sides of the PE base layer 11 and the TFT base layer 12 are fixed to the upper diffusion sheet 13 and the lower diffusion sheet 14, respectively, and the upper diffusion sheet 13 and the lower diffusion sheet 14 are fixed to the upper diffusion sheet 13 and the lower diffusion sheet 14, respectively.
Referring to fig. 3, the release layer 2 includes an iron oxide film layer 21 and a base film layer 22, one side of the iron oxide film layer 21 is covered on the base film layer 22 through an adhesive, and the other side of the iron oxide film layer 21 is connected to the lower diffusion sheet 14.
Referring to fig. 4, the blue light blocking layer 3 includes an upper reflective film 31, a lower reflective film 32 and a blue light resistant film 33, the upper reflective film 31 and the lower reflective film 32 are respectively disposed on two sides of the blue light resistant film 33, the other side of the lower reflective film 32 is bonded to the upper diffusion sheet 13, the blue light resistant film 33 absorbs blue light of 300-350nm, the thickness of the blue light resistant film 33 is 6-8 μm, a part of natural light is reflected by the upper reflective film 31 and the lower reflective film 32, the blue light resistant film 33 absorbs short-wave blue light, the display screen and the reflected light are filtered, and the harm to the eyeball is reduced.
Referring to fig. 5, the scratch-resistant layer 4 includes an antistatic coating 41, a scratch-resistant and oil stain-resistant layer 42, an electrostatic self-adhesive film-absorbing layer 43, an ultraviolet-resistant layer 44 and a high temperature-resistant layer 45, the scratch-resistant and oil stain-resistant layer 42 is connected with the antistatic coating 41 through the electrostatic self-adhesive film-absorbing layer 43, the antistatic coating 41, the ultraviolet-resistant layer 44 and the high temperature-resistant layer 45 are sequentially connected from top to bottom in an overlapping manner, the high temperature-resistant layer 45 is bonded with the upper reflective film 31, the scratch-resistant layer 4 is used for playing a scratch-resistant and oil stain-resistant role, and the influence of static electricity is eliminated through the antistatic coating 41.
A production process of a display screen protective film for preventing blue light comprises the following steps:
the method comprises the following steps: preparation of a film base material layer 1: coating silica gel glue on the PE base layer 11 and the TFT base layer 12, and simultaneously adhering the silica gel glue to the upper diffusion sheet 13 and the lower diffusion sheet 14 under the baking condition of the temperature of 90-110 ℃;
step two: preparing a release layer 2: connecting the iron oxide film layer 21 and the bottom film layer 22 with each other, heating at 80-90 ℃ for 1-2min, and performing UV irradiation on the iron oxide film layer 21 and the bottom film layer 22 for composite molding;
step three: preparation of the blue light blocking layer 3: frosted textures are made on one surfaces of the upper reflecting film 31 and the lower reflecting film 32, the other surfaces of the upper reflecting film 31 and the lower reflecting film 32 are connected with the anti-blue light film 33, and baking and curing are carried out at the temperature of 80-90 ℃;
step four: preparation of scratch-resistant layer 4: the scratch-resistant and anti-oil stain layer 42, the static self-adhesive absorption film layer 43, the antistatic coating 41, the ultraviolet-resistant layer 44 and the high-temperature-resistant layer 45 are sequentially arranged from top to bottom, adhesives are coated among the scratch-resistant and anti-oil stain layer 42, the static self-adhesive absorption film layer 43, the antistatic coating 41, the ultraviolet-resistant layer 44 and the high-temperature-resistant layer 45, and the scratch-resistant layer 4 with the dry film thickness of 3-5 mu m is obtained through ultraviolet curing;
step five: molding: the film substrate layer 1, the release layer 2 are connected, and the blue light blocking layer 3 and the scratch-resistant layer 4 are adhered through a binder.
The first embodiment realizes multilayer blue light filtration through the blue light resistant adhesive, ensures that the blue light of short wave is absorbed, and improves the intensity of the blue light resistant, but needs an additional process, improves the cost, and the second embodiment is adhered through the adhesive, has low cost, and reduces additional process steps.
In conclusion; according to the blue light prevention display screen protection film and the production process thereof, a part of natural light is reflected by the upper reflection film 31 and the lower reflection film 32, short-wave blue light is absorbed by the blue light prevention film 33, the display screen and the reflected light are filtered, harm to eyeballs is reduced, the thin film substrate layer 1, the release layer 2 are connected, the blue light prevention blocking layer 3 and the scratch resistant layer 4 are adhered by the blue light prevention adhesive, the blue light prevention adhesive is formed by compounding the blue light prevention master batch with the particle size of 30 nanometers and the blue light prevention factor through grinding, the blue light of 300-.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The display screen protective film for preventing blue light is characterized by comprising a thin film substrate layer (1), wherein the bottom surface of the thin film substrate layer (1) is connected with a release layer (2), and the top surface of the thin film substrate layer (1) is connected with a blue light blocking layer (3); and a scratch-resistant layer (4) is adhered on the blue light blocking layer (3).
2. The display screen protective film for preventing blue light according to claim 1, wherein the film base layer (1) comprises a PE base layer (11), a TFT base layer (12), an upper diffusion sheet (13) and a lower diffusion sheet (14), the PE base layer (11) is covered on the TFT base layer (12) by an adhesive, and outer sides of the PE base layer (11) and the TFT base layer (12) are fixed to the upper diffusion sheet (13) and the lower diffusion sheet (14), respectively.
3. The protective film for a display screen against blue light according to claim 2, wherein the release layer (2) comprises an iron oxide film layer (21) and a base film layer (22), one side of the iron oxide film layer (21) is covered on the base film layer (22) by an adhesive, and the other side of the iron oxide film layer (21) is joined to the lower diffusion sheet (14).
4. The protective film for a display screen against blue light according to claim 3, wherein the blue light blocking layer (3) comprises an upper reflection film (31), a lower reflection film (32) and a blue light-resistant film (33), the upper reflection film (31) and the lower reflection film (32) are respectively provided on both sides of the blue light-resistant film (33), and the other side of the lower reflection film (32) is bonded to the upper diffusion sheet (13).
5. The protective film for a blue-light-shielding display screen according to claim 4, wherein the scratch-resistant layer (4) comprises an antistatic coating (41), a scratch-resistant and oil stain-resistant layer (42), an electrostatic self-adhesive adsorption film layer (43), an ultraviolet-resistant layer (44) and a high temperature-resistant layer (45), the scratch-resistant and oil stain-resistant layer (42) is connected with the antistatic coating (41) through the electrostatic self-adhesive adsorption film layer (43), the antistatic coating (41), the ultraviolet-resistant layer (44) and the high temperature-resistant layer (45) are sequentially connected in an overlapping manner from top to bottom, and the high temperature-resistant layer (45) is bonded with the upper reflective film (31).
6. The protective film for a display screen against blue light according to claim 5, wherein the blue-resistant film (33) absorbs blue light of 300-350nm, and the thickness of the blue-resistant film (33) is 6-8 μm.
7. The process for producing the display screen protective film for preventing blue light according to claim 6, comprising the steps of:
s1: preparing a film base material layer (1): coating silica gel glue on the PE base layer (11) and the TFT base layer (12), and simultaneously pasting the silica gel glue with the upper diffusion sheet (13) and the lower diffusion sheet (14) under the baking condition of the temperature of 90-110 ℃;
s3: preparing a release layer (2): connecting the iron oxide film layer (21) and the bottom film layer (22) with each other, heating at 80-90 ℃ for 1-2min, and then carrying out UV irradiation on the iron oxide film layer (21) and the bottom film layer (22) for composite molding;
s3: preparation of a blue light blocking layer (3): one surfaces of the upper reflecting film (31) and the lower reflecting film (32) are provided with frosted textures, and the other surfaces of the upper reflecting film (31) and the lower reflecting film (32) are connected with the blue light resisting film (33) and are baked and cured at the temperature of 80-90 ℃;
s4: preparation of the scratch-resistant layer (4): the anti-scratch and anti-oil stain layer (42), the electrostatic self-adhesive absorption film layer (43), the antistatic coating (41), the ultraviolet resistant layer (44) and the high temperature resistant layer (45) are sequentially arranged from top to bottom, adhesives are coated among the anti-scratch and anti-oil stain layer (42), the electrostatic self-adhesive absorption film layer (43), the antistatic coating (41), the ultraviolet resistant layer (44) and the high temperature resistant layer (45), and the anti-scratch layer (4) with the dry film thickness of 3-5 mu m is obtained through ultraviolet curing;
s5: molding: the film substrate layer (1), the release layer (2) are connected, and the blue light blocking layer (3) and the scratch-resistant layer (4) are adhered through a blue light-resistant adhesive.
8. The process for producing a diffusion film with uniform light diffusion as claimed in claim 7, wherein for S5, the blue-light resistant adhesive is formed by grinding blue-light resistant master batch with a particle size of 30nm and compounding blue-light resistant factors, and absorbs blue light of 300-400 nm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110801452.XA CN113528048A (en) | 2021-07-15 | 2021-07-15 | Display screen protective film for preventing blue light and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110801452.XA CN113528048A (en) | 2021-07-15 | 2021-07-15 | Display screen protective film for preventing blue light and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN210855946U (en) * | 2019-08-23 | 2020-06-26 | 龙宇科技(东莞)有限公司 | Blue light eyeshield 3D curved surface toughened glass membrane |
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| CN111679492A (en) * | 2020-05-29 | 2020-09-18 | 太湖金张科技股份有限公司 | Backlight module containing blue light blocking reflection film and liquid crystal display panel |
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