CN114141140A - Blue light prevention display screen assembly - Google Patents
Blue light prevention display screen assembly Download PDFInfo
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- CN114141140A CN114141140A CN202111291985.4A CN202111291985A CN114141140A CN 114141140 A CN114141140 A CN 114141140A CN 202111291985 A CN202111291985 A CN 202111291985A CN 114141140 A CN114141140 A CN 114141140A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/18—Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
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Abstract
The invention discloses a blue light prevention display screen assembly which comprises a display panel and a backlight module, wherein the backlight module comprises a back plate, the back plate is fixedly connected with the display panel, the back plate is provided with a plurality of backlight areas arranged corresponding to the display panel, and each backlight area is respectively provided with at least one light-emitting element; wherein, each light emitting component has covered the fluorescence conversion layer towards one side of display panel, the blue light of peak wavelength in predetermineeing the wave band that the fluorescence conversion layer was used for absorbing the light emitting component transmission, so make the blue light of peak wavelength in predetermineeing the wave band that the light emitting component transmitted absorb by the fluorescence conversion layer, blue light peak wavelength red shift in predetermineeing the wave band promptly, can't shine in people's eyes, so weaken and prevent the blue light that blue light display screen shines in people's eyes, effectively reduce the harm of blue light to people's visual system, make and prevent blue light display screen subassembly and have the effect of preventing blue light, with this protection people's eyes.
Description
Technical Field
The invention relates to the technical field of display, in particular to a blue light prevention display screen assembly.
Background
The blue light wave is short, the energy is high, a large amount of blue light is reserved in the backlight of the LED and the display device, so that the artificial light is whiter and brighter, and some particularly white and bright light gives people a feeling of always bluish, which is caused by the overhigh proportion of the blue light. Visible light emitted by various novel artificial light sources such as various computers, television screens, energy-saving lamps and the like contains a large amount of short-wave blue light with irregular frequency, and the wavelength is between 400 and 500 nm. After long-term exposure to blue light, the eye injury is easily caused, and especially the macular degeneration is caused; blue light can excite brown pigment, which is an important reason for yellow spots and freckles of skin; blue light can cause fundus damage after cataract surgery; blue light can cause visual blurring, leading to visual fatigue, causing VDT syndrome; blue light can cause glare; the blue light can inhibit the secretion of melatonin, disturb sleep and improve the incidence rate of serious diseases per se. Eliminating or reducing the blue light of the display device is therefore highly desirable to protect the eyes from the blue light.
Disclosure of Invention
The invention mainly aims to provide a blue light prevention display screen component, aiming at solving the problem that the blue light emitted by the existing display device causes damage to eyes of people.
In order to achieve the above object, the present invention provides a blue light prevention display screen assembly, comprising:
a display panel; and the number of the first and second groups,
the backlight module comprises a back plate, the back plate is fixedly connected with the display panel, the back plate is provided with a plurality of backlight areas which are arranged corresponding to the display panel, and each backlight area is respectively provided with at least one light-emitting element;
and one side of each light-emitting element facing the display panel is covered with a fluorescence conversion layer, and the fluorescence conversion layer is used for absorbing blue light with the peak wavelength within a preset waveband emitted by the light-emitting element.
Optionally, an adhesive layer is disposed between the fluorescence conversion layer and the light emitting element.
Optionally, the material of the fluorescence conversion layer comprises one or more of LuAG, LuGaAG, and LuYAG; and/or the presence of a gas in the gas,
the material of the bonding layer comprises one or more of silica gel, silicon resin and epoxy resin.
Optionally, a reflective layer is disposed on a side of the back plate facing the display panel;
the plurality of light emitting elements are arranged on the reflecting layer.
Optionally, a plurality of transparent light collectors are disposed on one side of the back plate facing the display panel, the plurality of transparent light collectors are disposed corresponding to the backlight regions, a periphery of each transparent light collector is connected to the back plate, a middle portion of each transparent light collector is disposed away from the back plate, so as to form an accommodating cavity with the back plate, and each accommodating cavity is used for accommodating the light emitting element.
Optionally, a heat dissipation layer is coated on one side of each transparent light concentrator facing the display panel.
Optionally, the display panel has a light exit surface facing away from the backlight module, and the light exit surface is provided with a blue light prevention protective layer.
Optionally, the blue light prevention protection layer at least includes a first protection film, a second protection film and a third protection film, the first protection film, the second protection film and the third protection film are sequentially stacked in a direction away from the light emitting surface, the refractive index of the second protection film is greater than that of the first protection film, and the refractive index of the first protection film is greater than that of the third protection film.
Optionally, the first protection film, the second protection film and the third protection film are sequentially plated on the light emitting surface.
Optionally, the blue light prevention protective layer is back to one side of the light emitting surface is further provided with a glass substrate, the glass substrate deviates from a side surface of the light emitting surface and is atomized to form an atomized layer, and the fog surface of the atomized layer is provided with a fingerprint prevention coating.
In the technical scheme of the invention, the fluorescent conversion layer is covered on one side of the light-emitting element facing the display panel, so that the blue light with the peak wavelength in the preset waveband emitted by the light-emitting element is absorbed by the fluorescent conversion layer, namely the peak wavelength of the blue light in the preset waveband is red-shifted and cannot be irradiated in eyes of people, thus the blue light irradiated in the eyes of people by the blue-light-proof display screen is weakened, the harm of the blue light to the visual system of people is effectively reduced, and the blue-light-proof display screen assembly has the function of preventing the blue light, so that the eyes of people are protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 schematic structural diagram of an embodiment of a blue light prevention display panel assembly according to the present invention;
FIG. 2 is a schematic structural diagram of the blue light-blocking protective layer shown in FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of the blue light prevention display panel assembly provided by the present invention. The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Blue light prevention |
21 | Back plate |
| 1 | |
22 | |
| 11 | Blue light prevention |
221 | |
| 111 | First |
23 | |
| 112 | Second |
24 | |
| 113 | Third |
25 | |
| 12 | |
26 | |
| 13 | |
27 | Heat dissipation layer |
| 2 | Backlight module |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The blue light wave is short, the energy is high, a large amount of blue light is reserved in the backlight of the LED and the display device, so that the artificial light is whiter and brighter, and some particularly white and bright light gives people a feeling of always bluish, which is caused by the overhigh proportion of the blue light. Visible light emitted by various novel artificial light sources such as various computers, television screens, energy-saving lamps and the like contains a large amount of short-wave blue light with irregular frequency, and the wavelength is between 400 and 500 nm. After long-term exposure to blue light, the eye injury is easily caused, and especially the macular degeneration is caused; blue light can excite brown pigment, which is an important reason for yellow spots and freckles of skin; blue light can cause fundus damage after cataract surgery; blue light can cause visual blurring, leading to visual fatigue, causing VDT syndrome; blue light can cause glare; the blue light can inhibit the secretion of melatonin, disturb sleep and improve the incidence rate of serious diseases per se. Eliminating or reducing the blue light of the display device is therefore highly desirable to protect the eyes from the blue light.
In view of the above, the present invention provides a blue light prevention display panel assembly, and fig. 1 to 2 are schematic structural views of an embodiment of the blue light prevention display panel assembly provided in the present invention; fig. 3 is a schematic structural diagram of another embodiment of the blue light prevention display panel assembly provided by the present invention.
Referring to fig. 1 to 3, the blue light prevention display panel assembly 100 includes a display panel 1 and a backlight module 2, the backlight module 2 includes a back plate 21, the back plate 21 is fixedly connected to the display panel 1, the back plate 21 has a plurality of backlight areas 22 corresponding to the display panel 1, and each of the backlight areas 22 is respectively installed with at least one light emitting element 221; wherein, one side of each light emitting element 221 facing the display panel 1 is covered with a fluorescent conversion layer 23, and the fluorescent conversion layer 23 is used for absorbing blue light with a peak wavelength within a preset waveband emitted by the light emitting element 221.
In the technical scheme of the invention, the fluorescent conversion layer 23 is covered on one side of the light-emitting element 221 facing the display panel 1, so that the blue light with the peak wavelength in the preset waveband emitted by the light-emitting element 221 is absorbed by the fluorescent conversion layer 23, that is, the peak wavelength of the blue light in the preset waveband is red-shifted and cannot be irradiated into eyes of people, thus the blue light irradiated into the eyes of people by the blue-light-proof display screen is weakened, the harm of the blue light to the visual system of people is effectively reduced, and the blue-light-proof display screen assembly 100 has the function of preventing the blue light, so that the eyes of people are protected.
It should be noted that, the preset wavelength range is 435nm to 475nm, that is, the fluorescence conversion layer 23 absorbs the blue light emitted by the light emitting element 221 and having the peak wavelength in the range of 435nm to 475nm, the blue light emitted by the light emitting element 221 is divided into beneficial blue light and harmful blue light, wherein the harmful blue light may harm human eyes, and the harmful blue light refers to high-energy short-wave blue light, that is, blue light having a wavelength in the range of 400nm to 450nm, so that the peak wavelength of the blue light having the peak wavelength in the range of 435nm to 475nm is red-shifted by the absorption of the fluorescence conversion layer 23, and most of the harmful blue light of the light emitting element 221 is absorbed and cannot irradiate human eyes, thereby protecting human eyes.
It should be further noted that the form of the light emitting element 221 is not limited, and may be an LED lamp bead, or an LED blue light chip.
It should be noted that, a plurality of backlight regions 22 are provided, and the plurality of backlight regions 22 are separately controlled, so that when a problem occurs in the display of the blue-light-proof display screen assembly 100, only the backlight region 22 having the problem in the plurality of backlight regions 22 needs to be repaired, that is, the light-emitting element 221 corresponding to the backlight region 22 having the problem can be directly replaced, thereby reducing the repair cost of the blue-light-proof display screen assembly 100.
Further, a bonding layer 24 is disposed between the fluorescence conversion layer 23 and the light emitting element 221, and the bonding layer 24 firmly attaches the fluorescence conversion layer 23 to the side of the light emitting element 221 facing the display panel 1, so as to prevent the separation of the fluorescence conversion layer 23 from the light emitting element 221 after the blue light prevention display screen assembly 100 is used for a long time, and reduce the blue light prevention effect of the blue light prevention display screen assembly 100.
Further, the material of the fluorescence conversion layer 23 includes one or more of LuAG, LuGaAG and LuYAG, and the above materials all have the function of red-shifting blue light of a preset wavelength band, and the specific selection of the material of the fluorescence conversion layer 23 is not limited, and may be selected alternatively or in combination of multiple choices, and the specific choice may be selected according to the production cost of the fluorescence conversion layer 23; and/or, the material of the bonding layer 24 includes one or more of silicone, silicone and epoxy, which have high adhesion, the bonding layer 24 made of the above materials can firmly attach the fluorescence conversion layer 23 to the side of the light emitting element 221 facing the display panel 1, the specific selection of the material of the bonding layer 24 is not limited, and can be selected alternatively or in a mixture of multiple choices, and the specific choice can be selected according to the production cost of the bonding layer 24.
The material of the fluorescence conversion layer 23 and the material of the adhesive layer 24 may be provided alternatively or simultaneously. Specifically, in an embodiment of the present invention, the material of the fluorescence conversion layer 23 and the material of the adhesive layer 24 are defined simultaneously, so as to ensure the blue light prevention effect of the blue light prevention display panel assembly 100 to the maximum extent.
Referring to fig. 1, in an embodiment of the invention, a reflective layer 25 is disposed on a side of the back plate 21 facing the display panel 1; the plurality of light emitting elements 221 are provided on the reflective layer 25. The reflective layer 25 is disposed such that light emitted from the light emitting elements 221 to the surrounding is reflected and concentrated on the display panel 1, thereby ensuring the brightness of the light emitted from the display panel 1.
It should be noted that the specific form of the reflective layer 25 is not limited, and the reflective layer may be a reflective sheet correspondingly disposed on one side of the back plate 21 facing the display panel 1, or a reflective coating applied on one side of the back plate 21 facing the display panel 1. Specifically, in order to improve the user experience, the existing backlight module 2 is partially bent, in order to adapt to the back plate 21, the reflector plate is also bent, and the folded edges are also arranged around the reflector plate to form the reflective ribs, due to assembly factors, the folded edges of the reflector plate are easy to warp, and due to the fact that the base material of the reflector plate is made of PET, the reflector plate is susceptible to the heating influence of the light-emitting element 221 after the backlight is lightened, so that a heated area and a non-heated area are formed on the reflector plate, and uneven heating of the reflector plate can cause the local reflector plate to warp unevenly, so that the light reflection effect can be influenced, therefore, in an embodiment of the invention, the reflective layer 25 is a reflective coating and the back plate 21 is coated with the reflective coating, so that the structure of the backlight module 2 can be simplified, the problem of warping of the reflector plate can be solved, and the phenomenon that the display picture of the display panel 1 appears uneven brightness due to warping of the reflector plate can be avoided, thereby improving the picture quality of the blue light prevention display screen assembly 100.
Referring to fig. 3, in another embodiment of the present invention, a plurality of transparent light collectors 26 are disposed on a side of the back plate 21 facing the display panel 1, the plurality of transparent light collectors 26 are disposed respectively corresponding to the backlight areas 22, a periphery of each transparent light collector 26 is connected to the back plate 21, a middle portion of each transparent light collector 26 is disposed away from the back plate 21, so as to form an accommodating cavity with the back plate 21, and each accommodating cavity is used for accommodating the light emitting element 221. The setting of transparent spotlight body 26 not only makes light that light emitting component 221 launched to all around is reflected and concentrated reflection in display panel 1 guarantees with this display panel 1's light-emitting luminance, just the light process that light emitting component 221 launched transparent spotlight body 26's refraction makes the luminance and the angle of light become even, can satisfy the vision demand, and then makes user's eyes obtain better protection, in addition transparent spotlight body 26's setting is right light emitting component 221 has the guard action, avoids light emitting component 221 receives the exogenic action impaired, can't give out light even, influences prevent blue light display screen subassembly 100's display effect.
It should be noted that the connection mode between the transparent light collector 26 and the back plate 21 is not limited, and may be a fixed connection or a detachable connection. Specifically, in another embodiment of the present invention, the transparent light collector 26 is detachably connected to the back plate 21, so that when the transparent light collector 26 or the light emitting element 221 has a problem and needs to be repaired or replaced, the transparent light collector can be conveniently detached and replaced, and the repair cost is reduced.
Further, referring to fig. 3, a heat dissipation layer 27 is disposed on a side of each of the transparent light collectors 26 facing the display panel 1. The heat dissipation layer 27 is disposed to dissipate part of the heat dissipated by the light emitting elements 221 to the outside, so as to prevent the light emitting elements 221 from being damaged or even cracked due to excessive heat, thereby improving the service life of the blue light shielding display panel assembly 100.
The heat dissipation layer 27 may be a heat dissipation coating, that is, a heat dissipation material is coated on a side of each transparent light collector 26 facing the display panel 1, or a heat dissipation film directly attached to a side of the transparent light collector 26 facing the display panel 1. Specifically, in another embodiment of the present invention, the heat dissipation layer 27 is a heat dissipation coating, so that the problem of warping due to over-high heat or uneven heating is avoided, and the heat dissipation effect is not affected.
Because the fluorescence conversion layer 23 is configured to absorb only blue light with a wavelength within a range of 435nm to 475nm, and harmful blue light within other wavelength ranges cannot be absorbed, further, the display panel 1 has a light-emitting surface facing away from the backlight module 2, the light-emitting surface is provided with the blue-light-preventing protection layer 11, the blue-light-preventing protection layer 11 is configured to further reduce harmful blue light emitted by the blue-light-preventing display panel assembly 100, so as to prevent the blue light from damaging human eyes, specifically, the blue-light-preventing protection layer 11 is configured to reduce blue light with a wavelength within a range of 380nm to 450nm, and the blue-light-preventing protection layer 11 is configured to not affect penetration of other light.
It should be noted that the form of the blue light prevention protective layer 11 is not limited, and may be a blue light prevention protective coating, that is, a layer of blue light prevention material capable of absorbing blue light with a wavelength in a range of 380nm to 450nm is directly coated on the light emitting surface, or may be a blue light prevention protective film.
Specifically, referring to fig. 2, the blue light protection layer 11 is configured as a blue light protection film, the blue light protection layer 11 at least includes a first protection film 111, a second protection film 112 and a third protection film 113, the first protection film 111, the second protection film 112 and the third protection film 113 are sequentially stacked along a direction away from the light emitting surface, a refractive index of the second protection film 112 is greater than a refractive index of the first protection film 111, and a refractive index of the first protection film 111 is greater than a refractive index of the third protection film 113. Because prevent blue light protective layer 11 and constitute by multilayer high refractive index layer and low refractive index layer in turn, consequently prevent blue light protective layer 11 and have high reflectivity, so not only can have better filtration, isolation effect to the blue light, improved prevent blue light display screen subassembly 100's light efficiency and prevent blue light effect, still reduced the influence that blue light crosstalk brought simultaneously.
The materials of the first protective film 111, the second protective film 112, and the third protective film 113 are not limited as long as the refractive index of the second protective film 112 is larger than the refractive index of the first protective film 111, and the refractive index of the first protective film 111 is larger than the refractive index of the third protective film 113. Specifically, in an embodiment of the invention, the material of the first protection film 111 is aluminum oxide, the material of the second protection film 112 is tantalum pentoxide, and the material of the third protection film 113 is magnesium fluoride.
Furthermore, the first protective film 111, the second protective film 112, and the third protective film 113 are sequentially plated on the light-emitting surface, so that air residue between films or between films can be prevented from affecting the refractive index. More specifically, the first protective film 111, the second protective film 112, and the third protective film 113 may be sequentially plated on the light emitting surface in a coating manner such as evaporation or sputtering, so as to improve the adhesion degree of the blue light prevention protective layer 11 and the display panel 1, and ensure the blue light prevention effect of the blue light prevention display screen assembly 100.
Referring to fig. 1 and 3, a glass substrate 12 is further disposed on a side of the blue light prevention protective layer 11 facing away from the light emitting surface, a side of the glass substrate 12 facing away from the light emitting surface is atomized to form an atomized layer, and a foggy surface of the atomized layer is provided with a fingerprint prevention coating 13. Will glass substrate 12 deviates from one side of going out the plain noodles atomize and form atomizing layer can make the highlight pierce through display panel 1 has played the shading effect, thereby has promoted prevent blue light display screen subassembly 100's display effect, and prevent that setting up of fingerprint cladding layer 13 then avoids display panel 1 leaves the vestige after being touched by the staff or makes the vestige of leaving clear up very easily, display panel 1's antifouling performance is high, and then has improved prevent blue light display screen subassembly 100's display effect.
The material of the glass substrate 12 is one or more of soda-lime glass, high-alumina glass, corning glass, and borosilicate glass.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A blue-light resistant display screen assembly, comprising:
a display panel; and the number of the first and second groups,
the backlight module comprises a back plate, the back plate is fixedly connected with the display panel, the back plate is provided with a plurality of backlight areas which are arranged corresponding to the display panel, and each backlight area is respectively provided with at least one light-emitting element;
and one side of each light-emitting element facing the display panel is covered with a fluorescence conversion layer, and the fluorescence conversion layer is used for absorbing blue light with the peak wavelength within a preset waveband emitted by the light-emitting element.
2. The blue-light blocking display screen assembly of claim 1, wherein an adhesive layer is disposed between the phosphor conversion layer and the light emitting elements.
3. The blue-blocking display screen assembly of claim 2, wherein the material of the phosphor conversion layer comprises one or more of LuAG, LuGaAG, and LuYAG; and/or the presence of a gas in the gas,
the material of the bonding layer comprises one or more of silica gel, silicon resin and epoxy resin.
4. The blue-light resistant display screen assembly of claim 1, wherein the side of the backplane facing the display panel is provided with a reflective layer;
the plurality of light emitting elements are arranged on the reflecting layer.
5. The blue-light prevention display screen assembly as claimed in claim 1, wherein a plurality of transparent light collectors are disposed on a side of the back plate facing the display panel, the plurality of transparent light collectors are disposed corresponding to the backlight regions, a periphery of each transparent light collector is connected to the back plate, a middle portion of each transparent light collector is disposed away from the back plate to form a receiving cavity with the back plate, and each receiving cavity is configured to receive the light emitting element.
6. The blue-light resistant display screen assembly of claim 5, wherein a side of each of the transparent concentrators facing the display panel is coated with a heat sink layer.
7. The blue-light preventing display screen assembly as claimed in claim 1, wherein the display panel has a light-emitting surface facing away from the backlight module, and the light-emitting surface is provided with a blue-light preventing protective layer.
8. The blue-light prevention display screen assembly as claimed in claim 7, wherein the blue-light prevention protective layer comprises at least a first protective film, a second protective film and a third protective film, the first protective film, the second protective film and the third protective film are sequentially stacked along a direction away from the light emitting surface, the refractive index of the second protective film is greater than that of the first protective film, and the refractive index of the first protective film is greater than that of the third protective film.
9. The blue-light preventing display screen assembly of claim 8, wherein the first protective film, the second protective film and the third protective film are sequentially plated on the light emitting surface.
10. The blue-light prevention display screen assembly as recited in claim 7, wherein a glass substrate is further disposed on a side of the blue-light prevention protective layer facing away from the light exit surface, a side of the glass substrate facing away from the light exit surface is atomized to form an atomized layer, and a foggy surface of the atomized layer is provided with a fingerprint-prevention coating.
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| CN202111291985.4A CN114141140A (en) | 2021-11-01 | 2021-11-01 | Blue light prevention display screen assembly |
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|---|---|---|---|
| CN202111291985.4A CN114141140A (en) | 2021-11-01 | 2021-11-01 | Blue light prevention display screen assembly |
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