CN106772744B - A kind of anti-blue light eyeglass, glasses, equipment and its manufacturing method of colour balance - Google Patents
A kind of anti-blue light eyeglass, glasses, equipment and its manufacturing method of colour balance Download PDFInfo
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- CN106772744B CN106772744B CN201710184462.7A CN201710184462A CN106772744B CN 106772744 B CN106772744 B CN 106772744B CN 201710184462 A CN201710184462 A CN 201710184462A CN 106772744 B CN106772744 B CN 106772744B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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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
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
Abstract
The invention discloses anti-blue light eyeglass, glasses, equipment and its manufacturing methods of a kind of colour balance, eyeglass ontology front is deposited with tool, and there are two the all-dielectric multilayer-film heap of selective transmission attenuation band characteristic, the broadband antireflective multilayer thin film stacks of backside deposition visible light wave range；The anti-blue light eyeglass of the colour balance needs to meet：420nm~450nm wave band transmitance≤65%；565nm~595nm wave band transmitance≤70%；460nm~555nm wave band transmitance >=85%；605nm~700nm wave band transmitance >=85%；300nm~380nm wave band transmitance is less than or equal to 1%；The chromaticity coordinates of whole transmitted spectrum is located in (0.333 ± 0.005,0.333 ± 0.005) range.The suitable high low-index film of present invention selection designs to be transmitted so that decaying in specific high energy blue wave band, and its complementary color wave band carries out respective attenuation compensation, to realize the distortionless anti-blue light human eye protection of colour balance.Structure of the invention is compact, manufacturing process is simple, at low cost, convenient for large-scale production.
Description
Technical field
The present invention relates to a kind of lifestyle devices, and in particular to a kind of anti-blue light eyeglass, glasses, equipment and its system of colour balance
Method is made, can be applied to the fields such as display, life medicine.
Background technique
Display screen or lighting system currently on the market often uses white light LEDs to realize, because LED light source has low pressure
Power supply, energy consumption are less, strong applicability, stability are high, the response time is short, no pollution to the environment, multicolor luminous etc. advantage.And it is current
Preparing the most common mode of white light LEDs is to add the mode of YAG fluorescent powder to realize with gallium-nitride blue LED.Gallium-nitride blue LED
Radiation spectrum intensity focus primarily upon 400-500nm range, peak radiant intensity is confined near 415-455nm.It is this white
The radiation spectrum intensity of light LED especially has very strong radiation intensity in low energy blue wave band in blue light.According to Einstein
For theory it is found that wavelength is shorter, energy is then stronger；Thus the greenish-yellow feux rouges of energy ratio of short wavelength's blue light is much better than, therefore it is to people
The injury of eye is also just much bigger.If human eye has been under the irradiation of high energy blue light, it will visual fatigue, macula retinae become
Venereal disease becomes, even results in the symptoms such as visual impairment.So the concept of anti-blue light is ready to appear in recent years, the eyeglass of anti-blue light
Largely pour into market.
General anti-blue light eyeglass is the high energy blue light that portion of energy is removed by the blue region in short wavelength, thus
Reduce its injury to human eye.However, since anti-blue light eyeglass filters out part short-wave band, thus penetrate anti-blue light eyeglass institute
The image for being in is often partially yellow, and the transmission visual effect of part anti-blue light glasses then turns yellow significantly, this imitates image vision itself
Fruit has tremendous influence.For example, white pattern transfers anti-blue light eyeglass then will become faint yellow or yellow；Bluish-green colored pattern
It then will become green etc. through anti-blue light eyeglass.Thus current anti-blue light eyeglass or glasses color can be distorted, and can not be done
To colour balance.
Summary of the invention
The present invention provides a kind of anti-blue light eyeglasses of colour balance, and glasses and equipment with the eyeglass, utilize this
The injury for the high energy blue light that eyeglass can greatly protect human eye to be emitted with the equipment for preventing LED light source, and guarantee simultaneously
The undistorted effects of transmitted colors, ensure that colour balance.
The present invention also provides a kind of preparation method of the anti-blue light eyeglass of colour balance, this method only need to use it is heavy to vacuum
Product technology, avoids the complex technologies such as electron beam exposure, laser direct-writing or nano impression, entire method and step is simple, is suitable for
Industrialized production.
A kind of anti-blue light eyeglass of colour balance, including eyeglass ontology, eyeglass ontology front is deposited with tool, and there are two choosings
Select all-dielectric multilayer-film heap of the Transmission Attenuation with characteristic (filter out band with high energy blue light and match yellow light and filter out band), the mirror
Piece bulk material is common blank glass or resin, in the broadband antireflective multilayer film of back lens surface deposition visible light wave range
Heap.The anti-blue light eyeglass of the colour balance meets：
It is less than or equal to 65% in 420nm~450nm wave band transmitance；
It is less than or equal to 70% in 565nm~595nm wave band transmitance；
It is more than or equal to 85% in 460nm~555nm wave band transmitance；
It is more than or equal to 85% in 605nm~700nm wave band transmitance；
It is less than or equal to 1% in 300nm~380nm wave band transmitance；
The chromaticity coordinates of whole transmitted spectrum close to center white point (0.333,0.333), that is, be located at (0.333 ± 0.005,
0.333 ± 0.005) in range.
Preferably, the anti-blue light eyeglass of the colour balance meets：
It is 55%~65% in 420nm~450nm wave band transmitance；
It is 60%~70% in 565nm~595nm wave band transmitance；
It is 85%~100% in 460nm~555nm wave band transmitance；
It is 85%~100% in 605nm~700nm wave band transmitance；
It is less than or equal to 1% in 300nm~380nm wave band transmitance；
The chromaticity coordinates of whole transmitted spectrum close to center white point (0.333,0.333), that is, be located at (0.333 ± 0.005,
0.333 ± 0.005) in range.
In the present invention, optical characteristics and the general anti-blue light mirror without the membrane system that the special membrane system on two pieces of eyeglasses is realized
Piece has significantly different.General anti-blue light eyeglass, it is only necessary to filter out portion of energy in shortwave blue wave band (410nm~455nm)
Shortwave high energy blue light.And the eyeglass in a kind of anti-blue light eyeglass device of colour balance of the present invention visible light wave range 400nm~
There are special spectral modulation characteristic and colour balance requirement within the scope of 700nm.
(1) it is less than or equal to 65% in specific band 420nm~450nm wave band transmitance.The wave band is white LED light source height
The energy highest wave band of blue ray radiation intensity, this wave band are also bigger to damage caused by human eye.If we are this wave
The energy efficient decaying of section, so that it may damage of the white LED light source containing a large amount of high energy blue lights to human eye be allowed to substantially reduce.
However, we can not set the transmitance of the wave band too low in order to guarantee enough blue light transmitances.Therefore, we will
The wave band transmitance is set smaller than the range equal to 65%, reduces high energy blue light while guaranteeing certain penetrate as far as possible to people
The damage of eye.
(2) it is less than or equal to 70% in specific band 565nm~595nm wave band transmitance.The wave band is aforementioned (1) setting
The complementary color yellow band of high energy blue light specific band, after the special wave band for filtering out (1) setting, to guarantee entirety through color not
It is distorted, it is necessary to certain decaying matching is carried out in 565nm~595nm wave band.Therefore, we set the wave band transmitance
It is set to the range less than or equal to 70%, colour cast problem caused by high energy blue light is filtered out with compensation, the visual of fidelity colour balance is presented
The world.
(3) it is more than or equal to 85% in 460nm~555nm wave band transmitance.The spectral characteristic setting of this wave band is for reality
Existing residue blue wave band and green light band energy penetrate eyeglass, perceive to not influence human eye to the colour vision of blue and green.
(4) it is more than or equal to 85% in 605nm~780nm wave band transmitance.The spectral characteristic setting of this wave band is for reality
Existing red spectral band energy penetrates eyeglass, to not influence the red colour vision perception of human eye.
(5) it is less than or equal to 1% in 300nm~380nm wave band transmitance.The spectral characteristic setting of this wave band is to realize
The full cut-off of ultraviolet band energy protects human eye to prevent damage of the ultraviolet light to human eye.
(6) chromaticity coordinates of whole visible light wave range 400nm~700nm transmitted spectrum close to center white point (0.333,
0.333), that is, it is located in (0.333 ± 0.005,0.333 ± 0.005) range.The setting that this chromaticity coordinates requires, is in order to more preferable
Matching colour balance, achieve the effect that color fidelity.
A kind of optical characteristics of the selective transmission of the anti-blue light eyeglass device of colour balance of the present invention is by eyeglass table
Face deposits high low refractive index dielectric membrane stack (HL)sTo realize.Multilayer thin film stack at this time can make 420nm~450nm wave band,
The energy efficient decaying of 565nm~595nm wave band, to reduce high energy blue light to the injury of human eye and compensation blue region decaying
Caused colo(u)r bias ensure that the transmission effect of colour balance, while the light of remaining wave band almost can efficiently pass through, and ensure that
The color and information of remaining wave band.The broadband anti-reflection membrane system of back lens surface can make the light through eyeglass more enter
Human eye makes side large angle incidence not enter human eye to the energy of back lens surface simultaneously, not so as to avoid human eyes such as dazzles
Suitable situation, improves the usage experience of Integrated lens.
In the present invention, the all-dielectric multilayer-film heap is by the high-index material film layer and low-index material that are arranged alternately
Film layer composition, as equal close to the first layer of eyeglass ontology and outermost layer in further preferred, described all-dielectric multilayer-film heap
For high-index material film layer；The broadband antireflective multilayer thin film stack is by the high-index material film layer being arranged alternately and low folding
Rate film layer composition is penetrated, outermost layer is low-index material film layer.
In general, (HL)sIn membrane system, high-index material can choose titanium dioxide, hafnium oxide, tantalum pentoxide,
Silicon nitride, zinc sulphide；Further preferably titanium dioxide.Low-index material can choose silica, aluminum oxide, fluorine
Change magnesium or other fluorides；Further preferably silica.Lens materials can choose white glass, K9 glass, BK7 glass,
Epoxy resin, ZF6 glass, ultraviolet vitreous silica, ZF52, organic glass (acrylic, PMMA, polymethyl methacrylate etc.),
CR-39 (polypropylene-base diglycol carbonates), PC (poly- second carbonic ester), PS (polystyrene).According to selected high low-refraction
Material and lens materials, can be according to required transmitted spectrum characteristic, structure size required for optimization design goes out.
In general, broadband anti-reflection membrane system is by high low refractive index dielectric membrane stack (HL)sComposition, high-index material can be selected
Select titanium dioxide, hafnium oxide, tantalum pentoxide, silicon nitride, zinc sulphide；Further preferably titanium dioxide.Low-refraction material
Material can choose silica, aluminum oxide, magnesium fluoride or other fluorides；Further preferably silica.
Preferably, in multilayer dielectricity membrane system, high-index material be selected from titanium dioxide, hafnium oxide, tantalum pentoxide,
Silicon nitride, zinc sulphide；Namely the high-index material film layer is selected from titanium oxide film layer, hafnium oxide film layer, five oxidations two
Tantalum film layer, silicon nitride film layer, zinc sulphide film layer.The low-index material is selected from silica, aluminum oxide, magnesium fluoride,
Namely the low-index material film layer is selected from silica coating, aluminum oxide film layer, magnesium fluoride film layer.Preferably,
The low-index material is silica；The high-index material is titanium dioxide；That is the high-index material film
Layer choosing is selected from silica coating from titanium oxide film layer, the low-index material film layer.
The present invention provides the anti-blue light glasses of colour balance equipments, including colour balance described in any of the above-described technical solution
Anti-blue light eyeglass.
The present invention also provides a kind of preparation methods of the anti-blue light glasses of colour balance, include the following steps：
(1) for selected high low-index material, lens materials, according to the center of determining selective transmission attenuation band
Wavelength and bandwidth, the transmission requirement of remaining wave band and colour balance requirement, optimization design have provided selective transmission decaying spectrum
The assembly of thin films of characteristic and the broadband antireflective assembly of thin films of visible light wave range；
(2) as needed, two blocks of eyeglass ethyl alcohol, acetone wiping is carried out respectively to clean；
(3) by two pieces of eyeglasses simultaneously be placed in vacuum coating equipment, control deposition parameter, eyeglass front deposition by
(1) the resulting multilayer dielectricity membrane system with selective transmission attenuation spectral dependency is designed, all-dielectric multilayer-film heap is obtained；
(4) two pieces of eyeglass turn-overs are placed in vacuum coating equipment, control deposition parameter, eyeglass backside deposition by
(1) resulting visible light broadband antireflective assembly of thin films is designed, the broadband antireflective multilayer thin film stack of visible light wave range is obtained.
(5) the anti-blue light eyeglass for obtaining colour balance, the eyeglass prepared is mounted on mirror holder, mirror pin is mixed, obtains color
The anti-blue light glasses of balance.
As preferred combination：The high-index material is titanium dioxide, and the low-index material is silica,
The lens materials are white glass, and the number of plies of the all-dielectric multilayer-film heap is 5~30 layers, the single layer layer of high refractive index material layer
Thickness is 1~140nm, and the single layer thickness of low refractive index material layer is 10~250nm.
As still more preferably, deposition (thickness) parameter of the all-dielectric multilayer-film heap of front lens surface deposition is：
And the chromaticity coordinates of whole transmitted spectrum is (0.332,0.337).
When selecting the design scheme of broadband antireflective assembly of thin films, as preferred combination：The high refractive index material
Material is titanium dioxide, and the low-index material is silica, and the lens materials are white glass, the broadband anti-reflection
The number of plies for penetrating multilayer thin film stack is 3~15 layers, and the thickness of every layer of high-index material is 5~80nm, every layer of low-index material
Thickness is 5~120nm.
As further preferred, deposition (thickness) parameter of the broadband antireflective multilayer thin film stack of back lens surface deposition is：
| Film layer | Material | Thickness/nm |
| 1 | TiO2 | 7.29 |
| 2 | SiO2 | 47.41 |
| 3 | TiO2 | 24.18 |
| 4 | SiO2 | 21.08 |
| 5 | TiO2 | 72.88 |
| 6 | SiO2 | 10.38 |
| 7 | TiO2 | 29 |
| 8 | SiO2 | 90.47 |
The anti-blue light eyeglass of colour balance of the invention uses the method for double shallow negative filters to specific blue ray radiation peak
Value wave band carries out matching filtering to the low energy blue light that is balanced, while filtering out some yellow light spectrum and realizing to filtering out short wavelength
The effective compensation of blue spectrum is so that it is guaranteed that color is undistorted.A kind of anti-blue light eyeglass of colour balance of the present invention remains undistorted
Color effect, have a vast market foreground.
Eyeglass and equipment configuration of the invention is simple, performance is stable, environmental-friendly, is suitble in LED light source environment or LED
It is used when light source equipment use, thus the present invention can provide a kind of color balancing tints fidelity for the high use groups of electronic equipment
Eyeshield scheme, greatly avoid the group because human eye caused by long-time high energy blue light damages.
In conclusion the anti-blue light glasses of colour balance of the invention are equipped, its ingenious filtered out has compared with major injury human eye
High energy blue wave band, while use filter out specific complementary color wave band with compensate high energy blue wave band filter out to through color mistake
Very, to realize the distortionless anti-blue light protection of colour balance.The color that the equipment substantially increases anti-blue light glasses device is in
Existing effect, it is ensured that most color information has huge application prospect using electronic equipment group to long-time.And
And anti-blue light glasses equipment compact overall structure, the manufacturing process of colour balance of the invention are simple, it is at low cost, convenient for it is extensive,
Mass production.Therefore the invention is expected to be widely applied in fields such as display, life medicine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the anti-blue light glasses of colour balance of the present invention, wherein (a) is the anti-blue light glasses of colour balance
Perspective view, (b) for colour balance anti-blue light glasses cross-sectional view, (c) for colour balance anti-blue light glasses disassembly diagram；
Fig. 2 is the manufacturing flow chart of the anti-blue light glasses of colour balance of the present invention；
Fig. 3 is target optical spectrum in the anti-blue light eyeglass optimization process of colour balance of the present invention；
Fig. 4 is that the present invention uses titanium dioxide, silica as high and low refractive index material, using white glass as eyeglass material
Transmitted spectrum after expecting the equal plated film in the anti-blue light glasses front back side of the colour balance of design.
Specific embodiment
The present invention is further described in detail with reference to the accompanying drawing.
As shown in figure 1 shown in (a)~(c), a kind of anti-blue light glasses of colour balance, by mirror holder 1, be fixed on mirror holder 1 two
2, two mirror pins 3 of block eyeglass, multilayer thin film stack 4 and multilayer thin film stack 5 form, and wherein multilayer thin film stack 4 is deposited on the front of two pieces of eyeglasses 2
(we define the side far from human eye as front), multilayer thin film stack 5 are deposited on the back side of two pieces of eyeglasses 2, and two pieces of eyeglasses can be with
It is plano lens, concave lens or hyperopic lens.
In the present invention, optical characteristics and the general anti-blue light mirror without the membrane system that the special membrane system on two pieces of eyeglasses is realized
Piece has significantly different.General anti-blue light eyeglass, it is only necessary to filter out portion of energy in shortwave blue wave band (410nm -455nm)
Shortwave high energy blue light.And the eyeglass in a kind of anti-blue light eyeglass device of colour balance of the present invention is in visible light wave range 400nm-
There are special spectral modulation characteristic and colour balance requirement within the scope of 700nm.
The anti-blue light glasses of colour balance of the invention are equipped, it is ingenious to have filtered out the high energy blue light having to human eye compared with major injury
Wave band, while using and filtering out specific complementary color wave band to compensate high energy blue wave band and filter out to the distortion through color, to realize
The distortionless anti-blue light protection of colour balance.Effect is presented in the color that the equipment greatly improves existing anti-blue light glasses device, really
Most color information has been protected, has had huge application prospect using electronic equipment group to long-time.Moreover, of the invention
Colour balance anti-blue light glasses equipment compact overall structure, manufacturing process it is simple, it is at low cost, convenient for extensive, batch metaplasia
It produces.Therefore the invention is expected to be widely applied in fields such as display, life medicine.
The anti-blue light lens structure of colour balance of the invention, it can also be used in other equipment, for example have the helmet of eyeglass
Structure etc..
As shown in Fig. 2, the manufacturing method that a kind of anti-blue light glasses of colour balance are equipped, includes the following steps：
1) high and low refractive index material, lens materials are selected, according to the central wavelength of determining selective transmission attenuation band and
Bandwidth, the transmission requirement of remaining wave band and colour balance require (can customized parameter according to demand determine, can also basis
Many experiments determine that selected parameter of the present invention is determined by a large amount of sample), optimization design has provided selective transmission and has declined
The assembly of thin films and visible light broadband anti-reflection membrane system of dim light spectral property, to obtain multilayer film using existing simulation software
It is the precipitation parameters such as high and low refractive index material, plated film sequence, coating film thickness and coating layers；
Object penetrating spectrum in process of optimization is as shown in Figure 3.Target optical spectrum is set as 420nm -450nm range
Interior≤65% transmission, in 565nm -595nm≤70% transmission, within the scope of 460nm -555nm >=85% transmits,
Within the scope of 605nm -700nm >=85% transmission, in 300nm -380nm≤1% transmission, entirety transmitted spectrum chromaticity coordinates
In (0.333 ± 0.005,0.333 ± 0.005) range.
It is as further preferred parameter：Target optical spectrum be set as the transmissivity within the scope of 420nm~450nm be 55~
65%, the transmissivity within the scope of 565nm~595nm be 60~70%, the transmissivity within the scope of 460nm~555nm be 85~
100%, the transmissivity within the scope of 605nm~700nm be 85~100%, in 300nm~380nm≤1% transmission, integrally
The chromaticity coordinates of transmitted spectrum is located in (0.333 ± 0.005,0.333 ± 0.005) range, the chromaticity coordinates position of whole transmitted spectrum
In in (0.333 ± 0.005,0.333 ± 0.005) range.
In the present embodiment, high-index material is titanium dioxide, and low-index material is silica, and lens materials are white
Glass, the deposition parameter of the multilayer dielectricity membrane system with selection attenuation function of the front lens surface deposition obtained by emulation mode
For：
In back lens surface, high-index material is titanium dioxide, and low-index material is silica, back lens surface deposition
The deposition parameter of visible waveband broadband anti-reflection membrane system be：
| Film layer | Material | Thickness/nm |
| 1 | TiO2 | 7.29 |
| 2 | SiO2 | 47.41 |
| 3 | TiO2 | 24.18 |
| 4 | SiO2 | 21.08 |
| 5 | TiO2 | 72.88 |
| 6 | SiO2 | 10.38 |
| 7 | TiO2 | 29 |
| 8 | SiO2 | 90.47 |
In above-mentioned parameters of film, first layer is that layer close to eyeglass.
2) two blocks of eyeglass ethyl alcohol, acetone wiping is carried out respectively to clean；
3) two pieces of eyeglasses are placed in vacuum coating equipment simultaneously, control deposition parameter, is sequentially depositing in the front of eyeglass
By 1) designing the resulting multilayer dielectricity membrane system with selection attenuation function；
4) two pieces of eyeglass turn-overs are placed in vacuum coating equipment, control deposition parameter, is sequentially depositing at the back side of eyeglass
By 1) designing resulting visible light wave range broadband anti-reflection membrane system.
5) eyeglass prepared is mounted on mirror holder, mixes mirror pin, to obtain a kind of anti-indigo plant of colour balance of the present invention
Optical glasses equipment.
Transmitted spectrum after the anti-blue light front lens surface back side coating film of the colour balance finally obtained is as shown in Figure 4.It can see
It arrives, each spectrum for transmiting rejection zone and target optical spectrum more coincide, and show good sideband filtering feature；High wave transparent section is put down
Equal transmissivity is greater than 85%, illustrates that enough light is able to enter eyeglass, and chromaticity coordinates be (0.332,0.337) almost with center
White point (0.333,0.333) is overlapped, thus the anti-blue light eyeglass of colour balance has the undistorted effect of good color.
Claims (9)
1. a kind of anti-blue light eyeglass of colour balance, including eyeglass ontology, which is characterized in that eyeglass ontology front is deposited with tool
There are two the all-dielectric multilayer-film heaps of selective transmission attenuation band characteristic, in the broadband anti-reflection of back lens surface deposition visible light wave range
Penetrate multilayer thin film stack；
The anti-blue light eyeglass of the colour balance meets：
It is 55%~65% in 420nm~450nm wave band transmitance；
It is 60%~70% in 565nm~595nm wave band transmitance；
It is more than or equal to 85% in 460nm~555nm wave band transmitance；
It is more than or equal to 85% in 605nm~700nm wave band transmitance；
It is less than or equal to 1% in 300nm~380nm wave band transmitance；
The chromaticity coordinates of whole transmitted spectrum is located at（0.333±0.005, 0.333±0.005）In range.
2. the anti-blue light eyeglass of colour balance according to claim 1, which is characterized in that the all-dielectric multilayer-film heap is by handing over
It is formed for the high-index material film layer and low-index material film layer of setting.
3. the anti-blue light eyeglass of colour balance according to claim 2, which is characterized in that the broadband antireflective multilayer film
Heap is made of the high-index material film layer and low-index material film layer being arranged alternately, and outermost layer is low-index material film
Layer.
4. the anti-blue light eyeglass of colour balance according to claim 2 or 3, which is characterized in that the high-index material choosing
From titanium dioxide, hafnium oxide, tantalum pentoxide, silicon nitride, zinc sulphide；The low-index material is selected from silica, three
Al 2 O, magnesium fluoride.
5. the anti-blue light eyeglass of colour balance according to claim 2 or 3, which is characterized in that the all-dielectric multilayer-film heap
Total number of plies be 5~30 layers, the single layer thickness of high refractive index material layer is 1~140nm, the single layer thickness of low refractive index material layer
For 10~250nm.
6. the anti-blue light eyeglass of colour balance according to claim 3, which is characterized in that the broadband antireflective multilayer film
The heap number of plies is 3~15 layers, and the single layer thickness of high refractive index material layer is 5~80nm, and the single layer thickness of low refractive index material layer is 5
~120nm.
7. a kind of anti-blue light glasses of colour balance, including eyeglass, which is characterized in that the eyeglass is any one of claim 1-6
The anti-blue light eyeglass of the colour balance.
8. a kind of anti-blue light of colour balance is equipped, which is characterized in that anti-including colour balance described in any one of claims 1-6
Blue light eyeglass.
9. the preparation method that a kind of benefit requires the anti-blue light eyeglass of the described in any item colour balances of 1-6, which is characterized in that including such as
Lower step：
（1）Determine high low-index material and lens materials, determining tool, there are two all dielectric of selective transmission attenuation band characteristic is more
The thickness and the number of plies of the broadband antireflective multilayer thin film stack of the thickness and the number of plies and visible light wave range of tunic heap；
（2）Eyeglass front deposition by（1）Design resulting all-dielectric multilayer-film heap；
（3）Eyeglass backside deposition by（1）Resulting broadband antireflective multilayer thin film stack is designed, the anti-blue light of colour balance is obtained
Eyeglass.
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