CN108132545A - Anti-blue light eyeglass, glasses, equipment and its manufacturing method of a kind of high transmittance - Google Patents
Anti-blue light eyeglass, glasses, equipment and its manufacturing method of a kind of high transmittance Download PDFInfo
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- CN108132545A CN108132545A CN201711348062.1A CN201711348062A CN108132545A CN 108132545 A CN108132545 A CN 108132545A CN 201711348062 A CN201711348062 A CN 201711348062A CN 108132545 A CN108132545 A CN 108132545A
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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
- G02C7/104—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having spectral characteristics for purposes other than sun-protection
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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
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
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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
- G02C7/107—Interference colour filters
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Abstract
The invention discloses anti-blue light eyeglass, glasses, equipment and its manufacturing methods of a kind of high transmittance, the eyeglass ontology front deposition has the all-dielectric multilayer-film heap with selective transmission attenuation band characteristic, the broadband antireflective multilayer thin film stack of backside deposition visible light wave range；The anti-blue light eyeglass of the high transmittance needs to meet：420nm~450nm wave band transmitance≤80%；465nm~700nm wave band transmitance >=90%；300nm~380nm wave bands transmitance is less than or equal to 1%.The suitable high low-index film of present invention selection designs to be transmitted so that decaying in specific high energy blue wave band, high thoroughly in remaining wave band, from it is achieved thereby that the anti-blue light protection of basic colour balance.The present invention is compact-sized, 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 manufacturing method,
It can be applied to the fields such as display, life medicine.
Background technology
Display screen or lighting system currently on the market is often realized using white light LEDs, because LED light source has low pressure
The advantages of power supply, energy consumption are less, strong applicability, stability are high, the response time is short, environmentally safe, multicolor luminous etc..It is and current
It is the mode of YAG fluorescent powder to be added to realize with gallium-nitride blue LED to prepare the most common mode of white light LEDs.Gallium-nitride blue LED
Radiation spectrum intensity focus primarily upon 400-500nm ranges, 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 blue light in low energy blue wave band.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 is had 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 by removing portion of energy in the blue region of short wavelength, so as to
Reduce its injury to human eye.However, since anti-blue light eyeglass filters out part short-wave band, thus through 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 can then become faint yellow or yellow；Bluish-green colored pattern
It can then 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.
Patent document 201710184462.7 proposes one kind and corresponds to yellow wave in shortwave harmful blue light wave band and color
The method that section filters out specific double narrow-bands, to reach the anti-blue light effect of colour balance.But structure is complex.
Invention content
The present invention provides a kind of anti-blue light eyeglass of high transmittance and glasses and equipment with the eyeglass, utilize
The injury of high energy blue light that the eyeglass can greatly protect human eye so that the equipment of LED light source to be prevented to be emitted, and have simultaneously
There is high transmittance, ensure that the undistorted effect of transmitted colors.
The present invention also provides a kind of preparation method of the anti-blue light eyeglass of high transmittance, this method need to be only used to vacuum
Deposition technique avoids the complex technologies such as electron beam exposure, laser direct-writing or nano impression, and entire method and step is simple, fits
In industrialized production.
A kind of anti-blue light eyeglass of high transmittance, including eyeglass ontology, the eyeglass ontology front deposition has there are one tools
The all-dielectric multilayer-film heap of selective transmission attenuation band characteristic (filtering out band with high energy blue light), the eyeglass bulk material are general
Logical blank glass or resin, in the broadband antireflective multilayer thin film stack of back lens surface deposition visible light wave range.The high transmittance
Anti-blue light eyeglass meet：
It is less than or equal to 80% in 420nm~450nm wave bands transmitance；
It is more than or equal to 90% in 465nm~700nm wave bands transmitance；
It is less than or equal to 5% in 300nm~380nm wave bands transmitance；
Preferably, it is 10%~80% in 420nm~450nm wave bands transmitance.
As further preferred, the anti-blue light eyeglass satisfaction of the high transmittance：
It is 65%~80% in 420nm~450nm wave bands transmitance；
It is 95%~100% in 465nm~700nm wave bands transmitance；
It is less than or equal to 1% in 300nm~380nm wave bands transmitance；
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.At present, anti-blue light eyeglass is segmented into two classes：A kind of anti-blue light eyeglass only acts below 420nm wave bands,
It is very faint to harmful shortwave blue wave band (410nm~455nm) effect；It is another kind of by blue wave band (400nm~480nm) energy
It largely filters out, colo(u)r bias is apparent, and transmitance is low.And the eyeglass in a kind of blue light eyeglass device of high transmittance of the present invention is visible
There are special spectral modulation characteristic and colour balance requirement in the range of optical band 400nm~700nm.
(1) it is less than or equal to 80% in specific band 420nm~450nm wave bands 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 the damage caused by human eye.If we are this wave
The energy efficient attenuation of section, it is possible to 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, in order to ensure enough blue light transmitances, we can not set the transmitance of the wave band too low.Therefore, we will
The wave band transmitance is set smaller than the range equal to 80%, ensures to reduce high energy blue light as far as possible to people while certain penetrate
The damage of eye.Preferably, it is 65%~80% in 420nm~450nm wave bands transmitance.
(2) it is more than or equal to 90% in 465nm~700nm wave bands transmitance.The spectral characteristic setting of this wave band is for reality
Existing residue blue wave band, green light band, red band energy are through eyeglass, so as to not influence colour vision of the human eye to blue and green
It perceives.Preferably, it is 95%~100% in 465nm~700nm wave bands transmitance.
(3) it is less than or equal to 5% in 300nm~380nm wave bands transmitance.The spectral characteristic setting of this wave band is to realize
The full cut-off of ultraviolet band energy so as to prevent damage of the ultraviolet light to human eye, protects human eye.Preferably, 300nm~
380nm wave bands transmitance is less than or equal to 1%.
A kind of optical characteristics of the selective transmission of the anti-blue light eyeglass device of high transmittance of the present invention is by eyeglass
Surface deposits high low refractive index dielectric membrane stack (HL)sTo realize.Multilayer thin film stack at this time can cause 420nm~450nm wave bands
Energy Efficient decays, and so as to reduce injury of the high energy blue light to human eye, while the light of remaining wave band almost can efficiently pass through, and protect
The color and information of remaining wave band are demonstrate,proved.The broadband anti-reflection membrane system of back lens surface can cause through eyeglass light more
Into human eye simultaneously so that the energy of side large angle incidence to back lens surface will not enter human eye, so as to avoid dazzle et al.
The uncomfortable situation of eye 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 forms, equal as the first layer and outermost layer close to eyeglass ontology 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.
Generally, (HL)sIn membrane system, high-index material can select titanium dioxide, hafnium oxide, tantalum pentoxide,
Silicon nitride, zinc sulphide, zirconium dioxide；Further preferably titanium dioxide.Low-index material can select silica, three oxygen
Change two aluminium, magnesium fluoride or other fluorides；Further preferably silica.Lens materials can select white glass, K9 glass,
BK7 glass, epoxy resin, ZF6 glass, ultraviolet vitreous silica, ZF52, organic glass (acrylic, PMMA, polymethylacrylic acid
Methyl esters etc.), CR-39 (polypropylene-base diglycol carbonates), PC (poly- second carbonic ester), PS (polystyrene).According to selected height
Low-index material and lens materials, can be according to required transmitted spectrum characteristic, and optimization design goes out required structure ruler
It is very little.
Generally, 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, zirconium dioxide；Further preferably titanium dioxide.It is low
Refraction materials can select silica, alundum (Al2O3), magnesium fluoride or other fluorides；Further preferably titanium dioxide
Silicon.
Preferably, in multilayer dielectricity membrane system, high-index material be selected from titanium dioxide, hafnium oxide, tantalum pentoxide,
Silicon nitride, zinc sulphide, zirconium dioxide；Namely the high-index material film layer be selected from titanium oxide film layer, hafnium oxide film layer,
Tantalum pentoxide film layer, silicon nitride film layer, zinc sulphide film layer, zirconium dioxide film.The low-index material is selected from titanium dioxide
Silicon, alundum (Al2O3), magnesium fluoride namely the low-index material film layer be selected from silica coating, alundum (Al2O3) film layer,
Magnesium fluoride film layer.Preferably, the low-index material is silica；The high-index material is titanium dioxide；I.e.
The high-index material film layer is selected from titanium oxide film layer, and the low-index material film layer is selected from silica coating.
A kind of anti-blue light glasses of high transmittance, including eyeglass, the eyeglass is described in any one of above-mentioned technical proposal
High transmittance anti-blue light eyeglass.
The present invention provides a kind of anti-blue light glasses equipment of high transmittance, including the height described in any of the above-described technical solution
The anti-blue light eyeglass of transmitance.
The present invention provides a kind of anti-blue light glasses equipments of high transmittance, including transparent base, the transparent base two
Side deposits the all-dielectric multilayer-film with selective transmission attenuation band characteristic described in any one of above-mentioned technical proposal respectively
The broadband antireflective multilayer thin film stack of heap and visible light wave range.
The present invention also provides a kind of preparation methods of the anti-blue light glasses of high transmittance, include the following steps：
(1) for selected high low-index material, lens materials, according to the center of determining selective transmission attenuation band
Through requirement, optimization design has provided selective transmission attenuation light for wavelength and bandwidth, the transmission requirement of remaining wave band and color
The assembly of thin films of spectral property and the broadband antireflective assembly of thin films of visible light wave range；
(2) as needed, two blocks of eyeglass ethyl alcohol, acetone are carried out wiping respectively to clean；
(3) two pieces of eyeglasses are placed in vacuum coating equipment simultaneously, control deposition parameter, eyeglass front deposition by
(1) the multilayer dielectricity membrane system with selective transmission attenuation spectral dependency of design gained, obtains all-dielectric multilayer-film heap；
(4) two pieces of eyeglass turn-overs are placed in vacuum coating equipment, control deposition parameter, eyeglass backside deposition by
(1) the visible ray broadband antireflective assembly of thin films of design gained, obtains the broadband antireflective multilayer thin film stack of visible light wave range.
(5) the anti-blue light eyeglass of high transmittance is obtained, the eyeglass prepared is mounted on mirror holder, mirror pin is mixed, obtains
Anti-blue light glasses.
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 5~40 layers, the individual layer layer of high refractive index material layer
Thickness is 1~300nm, and the individual layer thickness of low refractive index material layer is 5~300nm.
As still more preferably, deposition (thickness) parameter of the all-dielectric multilayer-film heap of front lens surface deposition is：
When the designing scheme for selecting broadband antireflective assembly of thin films, as preferred combination：The high refractive index material
Expect for titanium dioxide, the low-index material is silica, and the lens materials are white glass, the broadband anti-reflection
It is 3~15 layers to penetrate the number of plies of multilayer thin film stack, and the thickness per floor height refraction materials 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：
The anti-blue light eyeglass of high transmittance of the present invention employs the method for single shallow negative filter to specific blue ray radiation
Peak band carries out low energy blue light of the matching filtering so as to be balanced, while to remaining wave band energy high transmittance, ensure that
Basic colour balance.A kind of anti-blue light eyeglass of high transmittance of the present invention remains distortionless color effect, has wide city
Field prospect.
Different from patent application 201710184462.7, the present invention proposes a kind of use negative filter and shortwave is harmful to
Blue wave band filtering ensures the high saturating method of remaining visible waveband simultaneously, and this method can guarantee that color is substantially undistorted.The application
Compared to patent application 201710184462.7, structure is more simple, makes more easy, transmitance higher, anti-dazzle light effect
It is more prominent.
The eyeglass and equipment configuration of high transmittance of the present invention are simple, performance is stable, environmental-friendly, are suitble in LED light
It is used when source environment or LED light source device use, thus the present invention can provide a kind of color for the high use groups of electronic equipment
The eyeshield scheme of balance greatly avoids group human eye caused by long-time high energy blue light illumination and damages.
In conclusion the anti-blue light glasses equipment of high transmittance of the present invention, its ingenious filtered out have compared with major injury human eye
High energy blue wave band, while to remaining wave band energy high transmittance, it is achieved thereby that the anti-blue light protection of basic colour balance.It should
Effect is presented in the color that equipment substantially increases anti-blue light glasses device, it is ensured that most color information, to for a long time
There is huge application prospect using the group of electronic equipment.Moreover, the anti-blue light glasses equipment compact overall structure of the present invention,
Manufacturing process is simple, at low cost, convenient for extensive, mass production.Therefore the invention is expected in fields such as display, life medicine
Extensive use.
Description of the drawings
Fig. 1 is the structure diagram of the anti-blue light glasses of high transmittance of the present invention, wherein (a) is the anti-blue light of high transmittance
The stereogram of glasses, (b) are the sectional view of the anti-blue light eyeglass of high transmittance, and (c) is the anti-blue light glasses of high transmittance
The disassembly diagram of eyeglass；
Fig. 2 is the manufacturing flow chart of the anti-blue light glasses of high transmittance of the present invention；
Fig. 3 is target optical spectrum in the anti-blue light eyeglass optimization process of high transmittance of the present invention；
Fig. 4 uses titanium dioxide, silica as high and low refractive index material for the present invention, using white glass as eyeglass material
Expect the transmitted spectrum after the equal plated film in the anti-blue light glasses front back side of the high transmittance of design.
Specific embodiment
The present invention is further described in detail below in conjunction with the accompanying drawings.
In Fig. 1 shown in (a)~(c), a kind of anti-blue light glasses of high transmittance by mirror holder 1, are fixed on mirror holder 1
Two pieces of eyeglass ontologies, 2, two mirror pins 3 are separately positioned on the multilayer thin film stack 4 of two sides of two pieces of eyeglass ontologies 2 and multilayer thin film stack 5
Composition, wherein multilayer thin film stack 4 are deposited on the front (we define the side far from human eye as front) of two pieces of eyeglass ontologies 2,
Multilayer thin film stack 5 is deposited on the back side of two pieces of eyeglass ontologies 2, and two pieces of eyeglasses can be plano lens, concave lens or farsighted glasses
Piece.
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.At present, anti-blue light eyeglass is segmented into two classes：A kind of anti-blue light eyeglass only acts below 420nm wave bands,
It is very faint to harmful shortwave blue wave band (410nm~455nm) effect；It is another kind of by blue wave band (400nm~480nm) energy
It largely filters out, colo(u)r bias is apparent, and transmitance is low.And the eyeglass in a kind of blue light eyeglass device of high transmittance of the present invention is visible
There are special spectral modulation characteristic and colour balance requirement in the range of optical band 400nm~700nm.
The anti-blue light glasses equipment of high transmittance of the present invention, it is ingenious to have filtered out the high energy blue light having to human eye compared with major injury
Wave band, while to remaining wave band energy high transmittance, it is achieved thereby that the anti-blue light protection of basic colour balance.The equipment carries significantly
Effect is presented in the color of high existing anti-blue light glasses device, it is ensured that most color information uses electronics to long-time
There is huge application prospect in the group of equipment.Moreover, the anti-blue light glasses equipment overall structure of the high transmittance of the present invention is tight
Gather, manufacturing process it is simple, it is at low cost, convenient for extensive, mass production.Therefore the invention is expected in display, life medicine etc.
Field extensive use.
The anti-blue light lens structure of high transmittance of the present invention, it can also be used in other equipment, such as the helmet with eyeglass
Structure, anti-blue light screen, anti-blue light pad pasting etc..
As shown in Fig. 2, a kind of manufacturing method of the anti-blue light glasses equipment of high transmittance, includes the following steps：
1) selection high and low refractive index material, lens materials, according to the centre wavelength of determining selective transmission attenuation band and
(customized parameter that can be according to demand determines, also can root through requirement for bandwidth, the transmission requirement of remaining wave band and color
Determined according to many experiments, selected parameter of the present invention is determining through a large number of experiments), optimization design has provided selective transmission
Assembly of thin films (or all-dielectric multilayer-film heap) and visible ray broadband anti-reflection membrane system (or the broadband anti-reflection of attenuation spectral dependency
Penetrate multilayer thin film stack), so as to obtain assembly of thin films high and low refractive index material, plated film sequence, plating film thickness using existing simulation software
The precipitation parameters such as degree and coating layers；
Object penetrating spectrum in process of optimization is as shown in Figure 3.Target optical spectrum is set as 420nm -450nm ranges
Interior≤80% transmission, in the range of 465nm -700nm >=transmission of 90% transmission, in the range of 300nm -380nm≤5%.
It is as further preferred parameter：Target optical spectrum be set as transmissivity in the range of 420nm~450nm for 65~
80%th, the transmissivity in the range of 465nm -700nm for 95~100%, in the range of 300nm~380nm≤1% transmission.
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 deposited by the front lens surface that emulation mode obtains
For：
In back lens surface, high-index material is titanium dioxide, and low-index material is silica, and back lens surface deposits
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, the 1st layer is that layer of close eyeglass, for example has the multilayer dielectric film of selection attenuation function
In system, the 1st layer is near that positive layer of eyeglass ontology；In visible waveband broadband anti-reflection membrane system, the 1st layer is near mirror
That layer at the piece ontology back side.
2) two blocks of eyeglass ethyl alcohol, acetone are carried out wiping respectively to clean；
3) two pieces of eyeglasses are placed in simultaneously in vacuum coating equipment, control deposition parameter, be sequentially depositing in the front of eyeglass
By the multilayer dielectricity membrane system with selection attenuation function for 1) designing gained；
4) two pieces of eyeglass turn-overs are placed in vacuum coating equipment, control deposition parameter, be sequentially depositing at the back side of eyeglass
By the visible light wave range broadband anti-reflection membrane system for 1) designing gained.
5) eyeglass prepared is mounted on mirror holder, mirror pin is mixed, so as to obtain the anti-blue light of high transmittance of the present invention
Glasses are equipped.
Transmitted spectrum after the anti-blue light front lens surface back side coating film of the high transmittance finally obtained is as shown in Figure 4.It can be with
To see, each spectrum for transmiting rejection zone more coincide with target optical spectrum, shows good sideband filtering feature, 420nm-
450nm transmitances are less than 80%；The average transmittance of high wave transparent section is more than 96%, and transmitance is high, and filters bandwidth control and exist
30nm, thus it still has the undistorted effect of good color.
Claims (10)
1. the anti-blue light eyeglass of a kind of high transmittance, including eyeglass ontology, which is characterized in that the eyeglass ontology front deposition has
All-dielectric multilayer-film heap with selective transmission attenuation band characteristic, in the broadband antireflective of back lens surface deposition visible light wave range
Multilayer thin film stack；
The anti-blue light eyeglass meets：
It is less than or equal to 80% in 420nm~450nm wave bands transmitance；
It is more than or equal to 90% in 465nm~700nm wave bands transmitance；
It is less than or equal to 5% in 300nm~380nm wave bands transmitance.
2. anti-blue light eyeglass according to claim 1, which is characterized in that 420nm~450nm wave bands transmitance be 65%
~80%.
3. anti-blue light eyeglass according to claim 1, which is characterized in that the all-dielectric multilayer-film heap is by being arranged alternately
High-index material film layer and low-index material film layer composition.
4. anti-blue light eyeglass according to claim 3, which is characterized in that the broadband antireflective multilayer thin film stack is by alternately
High-index material film layer and low-index material the film layer composition of setting, outermost layer are low-index material film layer.
5. anti-blue light eyeglass according to claim 3 or 4, which is characterized in that the high-index material is selected from titanium dioxide
Titanium, hafnium oxide, tantalum pentoxide, silicon nitride, zinc sulphide, zirconium dioxide；The low-index material is selected from silica, three
Al 2 O, magnesium fluoride.
6. anti-blue light eyeglass according to claim 3 or 4, which is characterized in that total number of plies of the all-dielectric multilayer-film heap
Be 5~40 layers, the individual layer thickness of high refractive index material layer is 1~300nm, the individual layer thickness of low refractive index material layer for 5~
300nm。
7. anti-blue light eyeglass according to claim 4, which is characterized in that the broadband antireflective multilayer thin film stack number of plies is
3~15 layers, the individual layer thickness of high refractive index material layer is 5~80nm, and the individual layer thickness of low refractive index material layer is 5~120nm.
8. the anti-blue light glasses of a kind of high transmittance, including eyeglass, which is characterized in that the eyeglass is any for claim 1-7
The anti-blue light eyeglass of high transmittance described in.
9. a kind of anti-blue light equipment of high transmittance, which is characterized in that including transparent base, the transparent base two sides difference
Depositing requirement 1-7 any one of them of having the right has the all-dielectric multilayer-film heap and visible ray of selective transmission attenuation band characteristic
The broadband antireflective multilayer thin film stack of wave band.
10. the preparation method of the anti-blue light eyeglass of a kind of high transmittance, which is characterized in that include the following steps：
(1) high low-index material and lens materials are determined, determine the all-dielectric multilayer-film with selective transmission attenuation band characteristic
The thickness and the number of plies of the thickness and the number of plies of heap and the broadband antireflective multilayer thin film stack of visible light wave range；
(2) in the front deposition of eyeglass by the all-dielectric multilayer-film heap of (1) design gained；
(3) the anti-indigo plant of high transmittance is obtained by the broadband antireflective multilayer thin film stack of (1) design gained in the backside deposition of eyeglass
Light microscopic piece.
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| CN201711348062.1A CN108132545B (en) | 2017-12-15 | 2017-12-15 | High-transmittance blue-light-proof lens, glasses, equipment and manufacturing method thereof |
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|---|---|---|---|
| CN201711348062.1A CN108132545B (en) | 2017-12-15 | 2017-12-15 | High-transmittance blue-light-proof lens, glasses, equipment and manufacturing method thereof |
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| CN109270616A (en) * | 2018-10-25 | 2019-01-25 | 杭州灯之塔科技有限公司 | A kind of more paddy transmissive elements and preparation method thereof |
| CN109782378A (en) * | 2019-03-19 | 2019-05-21 | 杭州灯之塔科技有限公司 | A kind of eyeglass, method and device and production method improving object identification degree |
| CN110187425A (en) * | 2019-05-06 | 2019-08-30 | 厦门大学 | Material with anti-blue light function and the protective film using the material |
| CN110359016A (en) * | 2019-03-19 | 2019-10-22 | 长春理工大学 | A kind of high-reflecting film and preparation method thereof |
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