CN105527668A - Displayer and blue-light-preventing thin film thereof - Google Patents
Displayer and blue-light-preventing thin film thereof Download PDFInfo
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- CN105527668A CN105527668A CN201610019408.2A CN201610019408A CN105527668A CN 105527668 A CN105527668 A CN 105527668A CN 201610019408 A CN201610019408 A CN 201610019408A CN 105527668 A CN105527668 A CN 105527668A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
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Abstract
The invention discloses a blue-light-preventing thin film, which is arranged on a light output surface of a display panel. The blue-light-preventing thin film at least comprises a first film layer, a second film layer and a third film layer, wherein the first film layer, the second film layer and the third film layer are stacked on the light output surface in sequence; the refractive index of the second film layer is larger than that of the first film layer; and the refractive index of the first film layer is larger than that of the third film layer. Through the mode above, the blue-light-preventing thin film can reduce transmittance of the blue light emitted from a displayer, thereby reducing damage of the blue light to the human eyes.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of display and anti-blue light film thereof.
Background technology
Nature itself does not have independent white light, and blue light presents white light after mixing with green glow, ruddiness.Green glow and Red energies less, less to eye irritation, blue light ripple is short, energy is high, remains a large amount of blue lights in the backlight of LED, display device, makes artificial light whiter like this, brighter, some light bright especially is in vain to the sensation of people's blueing always, and blue light ratio that Here it is is too high to be caused.The shortwave blue light of a large amount of irregular frequency is all contained in the visible ray that the various novel artificial light sources such as all kinds of computer, television screen, electricity-saving lamp send.Wavelength is between 400 ~ 500nm.
Under being chronically exposed to blue light, easily cause eye injury, particularly cause macular diseases.Blue light can penetrate crystalline lens and arrive retina, causes optical damage to it, accelerates the oxidation of macular area cell, produces a large amount of free radical, cause cataract, and macular area is degenerated.The concrete harm of blue light comprises: 1) blue light can go directly retina, causes myopia; 2) blue light can excite brown pigment, is the major reason that skin produces macula lutea, freckle; 3) blue light can cause the damage of fundus after cataract operation; 4) blue light can cause the dimness of vision, causes visual fatigue, causes VDT syndrome; 5) blue light can cause dazzle; 6) blue light can suppress secretion, the disturb sleep of epiphysin, improves the incidence of self major disease.
Therefore eliminate or weaken the blue light of display device, protection eyes are necessary from blue light injury very much.The mode generally weakening blue light at present has two kinds, a kind of mode is the emission peak wavelength regulating blue led chip, by the emission peak wavelength of the main producing region of LED, by the interval of 445nm-450nm, by building brilliant technique adjustment to longer generation peak value, but the shortcoming of this mode is the reduction of blue-light excited fluorescent powder efficiency, integral LED luminescence efficiency is brought to reduce, meanwhile, because colour temperature departs from main producing region, deviate from the market demand, production cost sharply raises.The second way, is generally in the reflection diaphragm of LCD is set up, adds ultraviolet light absorption agent, reduce the light transmission of ultraviolet light and low wavelength blue light, but this kind of mode, and penetrance reduces.
Therefore, need to provide a kind of display and anti-blue light film thereof, to solve the problems of the technologies described above.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of display and anti-blue light film thereof, when not affecting display normal luminous, can reduce the blue light transmitance that display sends, reducing blue light to the damage of human eye.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of anti-blue light film, for being arranged on the exiting surface of display panel, anti-blue light film at least comprises the first rete, the second rete and third membrane layer, first rete, the second rete and third membrane layer are for being sequentially laminated on exiting surface, the refractive index of the second rete is greater than the refractive index of the first rete, and the refractive index of the first rete is greater than the refractive index of third membrane layer.
Wherein, the first rete is alumina layer, and the second rete is tantalum pentoxide layer, and third membrane layer is magnesium fluoride layer.
Wherein, the thickness of the first rete is more than or equal to 75.01nm and is less than or equal to 98.02nm, and the thickness of the second rete is more than or equal to 116.53nm and is less than or equal to 152.45nm, and the thickness of third membrane layer is more than or equal to 90.21nm and is less than 117.53nm.
Wherein, the thickness of the first rete is 75.01nm, and the thickness of the second rete is 116.53nm, and the thickness of third membrane layer is 90.21nm.
Wherein, the thickness of the first rete is 82.69nm, and the thickness of the second rete is 128.45nm, and the thickness of third membrane layer is 99.32nm.
Wherein, the thickness of the first rete is 90.36nm, and the thickness of the second rete is 140.43nm, and the thickness of third membrane layer is 108.43nm.
Wherein, the thickness of the first rete is 98.02nm, and the thickness of the second rete is 152.45nm, and the thickness of third membrane layer is 117.53nm.
Wherein, the first rete, the second rete and third membrane layer are located at exiting surface for plating successively.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of display, comprise display panel, the anti-blue light film be arranged on display panel exiting surface, and anti-blue light film is the anti-blue light film that above-mentioned any one describes.
Wherein, display also comprises the backlight module for providing backlight for display panel, display panel comprises first substrate and second substrate, be clamped in liquid crystal layer between first substrate and second substrate, be arranged on the transparent cover plate on second substrate, the plating of anti-blue light film is located at transparent cover plate away from the one side of second substrate.
The invention has the beneficial effects as follows: the situation being different from prior art, the present invention is by being set to anti-blue light film at least comprise the first rete, the second rete and third membrane layer, first rete, the second rete and third membrane layer are for being sequentially laminated on exiting surface, the refractive index of the second rete is greater than the refractive index of the first rete, the refractive index that the refractive index of the first rete is greater than third membrane layer effectively can reduce blue light that display sends and not affect penetrating of other light, avoids blue light to produce damage to human eye.
Accompanying drawing explanation
Fig. 1 is the structural representation of anti-blue light film of the present invention;
Fig. 2 is the transmittance graph figure to different wavelengths of light of the anti-blue light film of the present invention first to fourth embodiment;
Fig. 3 is the structural representation of display of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be described in detail.
Refer to Fig. 1, Fig. 1 is the structural representation of anti-blue light film of the present invention.In the present embodiment, anti-blue light film is for being arranged on the exiting surface of display panel, anti-blue light film at least comprises the first rete 11, second rete 12 and third membrane layer 13, first rete 11, second rete 12 and third membrane layer 13 are for being sequentially laminated on exiting surface, the refractive index of the second rete 12 is greater than the refractive index of the first rete 11, and the refractive index of the first rete 11 is greater than the refractive index of third membrane layer 13.
Should be understood that in other embodiments, anti-blue light film also can comprise the 4th rete, the 5th rete or more rete, but considering for cost and anti-blue light effect, preferably only comprise three layers.But anti-blue light film comprises more than three layers also within protection scope of the present invention.The present invention is not limited to the design of trilamellar membrane system, as long as be greater than or equal to the optic film structure of trilamellar membrane system design or specially improve the Film Design concept that blu-ray reflection reduces the reflection of the light of other wavelength, all within scope.
Preferably, the first rete 11 is alumina layer (Al2O3), and the second rete 12 is tantalum pentoxide layer (Ta2O5), and third membrane layer 13 is magnesium fluoride layer (MgF2).In other embodiments, also can select other materials, as long as the refractive index meeting the second rete 12 is greater than the refractive index of the first rete 11, the refractive index of the first rete 11 is greater than the refractive index of third membrane layer 13.
Preferably, the thickness of the first rete 11 is more than or equal to 75.01nm and is less than or equal to 98.02nm, and the thickness of the second rete 12 is more than or equal to 116.53nm and is less than or equal to 152.45nm, and the thickness of third membrane layer 13 is more than or equal to 90.21nm and is less than 117.53nm.
In the first embodiment of anti-blue light film, the thickness of the first rete is 75.01nm, and the thickness of the second rete is 116.53nm, and the thickness of third membrane layer is 90.21nm.
In the second embodiment of anti-blue light film, the thickness of the first rete is 82.69nm, and the thickness of the second rete is 128.45nm, and the thickness of third membrane layer is 99.32nm.
In the 3rd embodiment of anti-blue light film, the thickness of the first rete is 90.36nm, and the thickness of the second rete is 140.43nm, and the thickness of third membrane layer is 108.43nm.
In the 4th embodiment of anti-blue light film, the thickness of the first rete is 98.02nm, and the thickness of the second rete is 152.45nm, and the thickness of third membrane layer is 117.53nm.
Preferably, the first rete 11, second rete 12 and third membrane layer 13 are located at exiting surface for plating successively, thus can prevent rete and exiting surface or residual air between rete and rete, and refractive index has an impact.Preferably, the plated film modes such as evaporation or sputtering can be adopted the first rete 11, second rete 12 and third membrane layer 13 to be plated successively to be located on exiting surface.
Refer to Fig. 2, Fig. 2 is the transmittance graph figure to different wavelengths of light of the anti-blue light film of the present invention first to fourth embodiment.Red wavelength range is 390-760nm, and green wavelength is 577-492nm, blue wavelength range is 450-435nm.First to fourth embodiment all has higher reflectivity to blue light as can be seen from Figure 2, and does not almost affect the transmission of ruddiness and green glow, and the effect of anti-blue light strengthens from the first embodiment successively to the 4th embodiment.
Refer to Fig. 3, Fig. 3 is the structural representation of display of the present invention, in the present embodiment, display comprises display panel 20, the anti-blue light film 10 be arranged on display panel 20 exiting surface, and anti-blue light film 10 is the anti-blue light film 10 that above-mentioned any embodiment describes.
Preferably, in the present embodiment, display also comprises the backlight module 30 for providing backlight for display panel 20.
Preferably, display panel 20 comprises first substrate 26 and second substrate 24, be clamped in liquid crystal layer 25 between first substrate 26 and second substrate 24, be arranged on the transparent cover plate 21 on second substrate 24, anti-blue light film 10 plating is located at transparent cover plate away from the one side (i.e. the exiting surface of display panel) of second substrate 24.In other embodiments, display panel can be other display panel, and such as OLED display panel, correspondingly, display can not comprise backlight module.
More preferably, the surface of first substrate 26 away from liquid crystal layer 25 is provided with the first polaroid 27, the surface of second substrate 24 away from liquid crystal layer 25 is provided with the second polaroid 23.
Preferably, transparent cover plate 21 is fitted by glue layer 22 and second substrate 24, and concrete and the second polaroid 23 is fitted.
Preferably, transparent cover plate 21 is glass cover-plate.In other embodiments, also can be the cover plate of other transparent materials.
First rete 11, second rete 12 and third membrane layer 13 are plated successively and are located at transparent cover plate 21 away from the one side (upper surface of the transparent cover plate 21 namely shown in figure) of second substrate 24.
Preferably, the plated film modes such as evaporation or sputtering can be adopted the first rete 11, second rete 12 and third membrane layer 13 to be plated successively to be located in the one side of transparent cover plate 21 away from second substrate 24.
The present invention is by being set to anti-blue light film at least comprise the first rete, the second rete and third membrane layer, first rete, the second rete and third membrane layer are for being sequentially laminated on exiting surface, the refractive index of the second rete is greater than the refractive index of the first rete, the refractive index that the refractive index of the first rete is greater than third membrane layer effectively can reduce blue light that display sends and not affect penetrating of other light, avoids blue light to produce damage to human eye.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an anti-blue light film, for being arranged on the exiting surface of display panel, it is characterized in that, described anti-blue light film at least comprises the first rete, the second rete and third membrane layer, described first rete, the second rete and third membrane layer are for being sequentially laminated on described exiting surface, the refractive index of described second rete is greater than the refractive index of described first rete, and the refractive index of described first rete is greater than the refractive index of described third membrane layer.
2. anti-blue light film according to claim 1, is characterized in that, described first rete is alumina layer, and described second rete is tantalum pentoxide layer, and described third membrane layer is magnesium fluoride layer.
3. anti-blue light film according to claim 1 and 2, it is characterized in that, the thickness of described first rete is more than or equal to 75.01nm and is less than or equal to 98.02nm, the thickness of described second rete is more than or equal to 116.53nm and is less than or equal to 152.45nm, and the thickness of described third membrane layer is more than or equal to 90.21nm and is less than 117.53nm.
4. anti-blue light film according to claim 3, is characterized in that, the thickness of described first rete is 75.01nm, and the thickness of described second rete is 116.53nm, and the thickness of described third membrane layer is 90.21nm.
5. anti-blue light film according to claim 3, is characterized in that, the thickness of described first rete is 82.69nm, and the thickness of described second rete is 128.45nm, and the thickness of described third membrane layer is 99.32nm.
6. anti-blue light film according to claim 3, is characterized in that, the thickness of described first rete is 90.36nm, and the thickness of described second rete is 140.43nm, and the thickness of described third membrane layer is 108.43nm.
7. anti-blue light film according to claim 3, is characterized in that, the thickness of described first rete is 98.02nm, and the thickness of described second rete is 152.45nm, and the thickness of described third membrane layer is 117.53nm.
8. anti-blue light film according to claim 4, is characterized in that, described first rete, the second rete and third membrane layer are located at described exiting surface for plating successively.
9. a display, is characterized in that, comprises display panel, the anti-blue light film be arranged on described display panel exiting surface, and described anti-blue light film is the anti-blue light film described in claim 1-8 any one.
10. display according to claim 9, it is characterized in that, described display also comprises the backlight module for providing backlight for described display panel, described display panel comprises first substrate and second substrate, be clamped in liquid crystal layer between described first substrate and described second substrate, be arranged on the transparent cover plate on described second substrate, described anti-blue light film plating is located in the one side of described transparent cover plate away from described second substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019408.2A CN105527668B (en) | 2016-01-12 | 2016-01-12 | Display and its anti-blue light film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610019408.2A CN105527668B (en) | 2016-01-12 | 2016-01-12 | Display and its anti-blue light film |
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| CN105527668A true CN105527668A (en) | 2016-04-27 |
| CN105527668B CN105527668B (en) | 2018-03-13 |
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| CN201610019408.2A Active CN105527668B (en) | 2016-01-12 | 2016-01-12 | Display and its anti-blue light film |
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| CN107918229A (en) * | 2018-01-03 | 2018-04-17 | 京东方科技集团股份有限公司 | Liquid crystal display panel, display device and display methods |
| CN109785748A (en) * | 2019-03-21 | 2019-05-21 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| CN111948746A (en) * | 2020-08-11 | 2020-11-17 | 瑞之路(厦门)眼镜科技有限公司 | Blue light protection multilayer optical film |
| CN114141140A (en) * | 2021-11-01 | 2022-03-04 | 深圳市高展光电有限公司 | Blue light prevention display screen assembly |
| TWI836426B (en) * | 2022-05-12 | 2024-03-21 | 澤米科技股份有限公司 | Optical film structure |
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| CN114141140A (en) * | 2021-11-01 | 2022-03-04 | 深圳市高展光电有限公司 | Blue light prevention display screen assembly |
| TWI836426B (en) * | 2022-05-12 | 2024-03-21 | 澤米科技股份有限公司 | Optical film structure |
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| Publication number | Publication date |
|---|---|
| CN105527668B (en) | 2018-03-13 |
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