CN103941320A - Device for selectively filtering light rays - Google Patents
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- CN103941320A CN103941320A CN201410139216.6A CN201410139216A CN103941320A CN 103941320 A CN103941320 A CN 103941320A CN 201410139216 A CN201410139216 A CN 201410139216A CN 103941320 A CN103941320 A CN 103941320A
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Abstract
The invention provides a device for selectively filtering light rays. The device comprises substrate resin, an ultraviolet light absorber and a colorant. Under the circumstance that an antireflection film is effectively used, the device can effectively prevent the light rays within the range of 400 nm to 450 nm from entering the eyes, the transmittance of the light rays within the range of 500 nm to 700 nm is kept over 90%, and the transmittance of the light rays near 600 nm reaches nearly 99%. The device can simulate xanthophylls on the retinas of the eyes of a person to absorb blue light; under the circumstance that the blue light in the light rays is filtered out, a wearer of glasses cannot feel that the light rays are darkened, the blue light is well filtered out, and the eyes are protected. Thus, the glasses made of the device enable the wearer to feel relaxed in eyes, reduce fatigue of the eyes, and are particularly suitable for people needing to look at devices such as a television, a mobile phone, a computer and a tablet computer with the high blue light intensity for a long time.
Description
Technical field
The present invention relates to a kind of equipment of selective filter light, relate in particular to a kind of equipment of selective filter light and the manufacture of described equipment and the production method of protecting human eye for the crowd who sees for a long time LCD screen.
Background technology
LCD screen is reflective is the light source composition of three kinds of colors, is respectively red, green and blue.In order to produce different colors by the light source of these three kinds of colors, three kinds of light sources just need to combine, and this will cause in order to produce particular color, and the light intensity of the wavelength of particular color will be more high than the corresponding light intensity of occurring in nature.And blue light studies confirm that by many, can accelerate the cellular oxidation in macula retinae district, excessive exposure even can damage cellula visualis.If macular area Long Term Contact blue light, can increase the risk that ARM appears in eyes when old, even likely cause eyesight permanent damage.Blue luminous energy in sunlight penetrates cornea and crystal, through retina, and grievous injury is responsible for the macular area of human body fifty percent eyesight, and macular area, in amphiblestroid central authorities, has maximum photosensory cells.Therefore see for a long time that the crowd of computer can feel the symptom of eyes discomfort, as eye fatigue, dry and astringent, shed tears and have a headache.In addition eyes did operation the elderly be also old ARM, cataractous high-risk populations.
See at present computer, mobile phone, panel computers etc. increase day by day containing the crowd of LCD screen, and the crowd of eyes discomfort is also day by day so many.At present, there is no effective methods for the treatment of for irreversible retinal damage, can only start with from prevention, do not allow LCD screen injure eyesight.
Mainly contain in the market the following several safety goggles of computer targetedly sheet: wherein a kind of is product based on 4-6 layer antireflection film layer, namely by interference of light phenomenon, blue light is reflected back, i.e. antireflecting film eyeglass.The product of this technology of this use is between 400-500nm, the two-sided light that can reflect at most 25% left and right, on average can reflect the light of 10% left and right, and use the product utilization matrix resin of common antireflection film layer approximately can reduce 10%, additionally 10% of increase is also not obvious, for seeing that for a long time computer eyes comfort level improves DeGrain, and interference of light is all worked on eyeglass two sides, this can cause surround lighting through inside eyeglass time, be reflected onto in a large number eyes direction, cause intense laser interfere, and may strengthen blue ray intake between 400-500nm.Another kind is staining section, by pigment is adsorbed on to lens surface, but this type of technology for the temperature of dyeing liquor, pigment concentration requires high, makes colour of lens be not easy to control, and unstable, and volume production cost is very high.In addition, also having one is that rete filters eyeglass, but rete filtration eyeglass can make to filter the blue light deficiency of LCD screen, and the wearer of eyes sees that LCD screen still can cause damage to eyes for a long time, thereby produces the symptom of wearer's eyes discomfort; Rete filtration eyeglass also easy wavelength-filtered exceedes non-blue light light, causes the transmittance of eyeglass to reduce, and cause degree of comfort decreased, and the dyestuff using before does not use in high-refractivity spectacle.
Summary of the invention
For the problem existing in background technology, the invention provides a kind of equipment of selective filter light, can be lens, glasses clamping piece, LCD screen pad pasting, contact lenses, intraocular lens, corneal inlay, cornea covering and corneal graft.The present invention maximizes the light penetration of the above wave band of 530nm by selectivity, and the light penetration of 400-530nm wave band falls, make human eye can obtain the light that the most very much not injures eyes in the time watching LCD screen for a long time, improve vision definition, and reduce excessive blue ray intake, allow part light to see through simultaneously, and can not cause part color can not identify aberration.
The present invention is achieved by the following technical solutions:
First aspect of the present invention is to provide a kind of equipment of selective filter light, comprises and be preferably consisting of following component:
Matrix resin 100 weight portions;
Colorant 0.001-0.05 weight portion;
Ultraviolet light absorber 0-5 weight portion.
In a preferred embodiment of the present invention, the equipment of described a kind of selective filter light, comprises and is preferably consisting of following component:
Matrix resin 100 weight portions;
Colorant 0.005-0.01 weight portion.
Wherein, described colorant can be one or more the mixing being selected from oiliness dyestuff, azo dyes, disperse dyes, sulfur dye, premetallized dye; Be preferably yellow oiliness dyestuff.
The surface of equipment of the present invention adds hard formation, antireflection layer and top layer.Adding hard formation can help the present invention to promote anti-wear performance.Antireflection layer can increase transmittance of the present invention, promotes sharpness, and antireflection layer is according to different matrix resins, can use different rete data, being characterized as of the antireflection layer that the present invention uses, on any wave band of 420-500nm, the light of two-sided maximum reflections 5%.Teleblem can be any water proofing property rete or water wettability rete, for the invention provides the protection of greater functionality.
The equipment of selective filter light of the present invention, has following feature:
On any wave band of 320nm-400nm, at least light of filtering 95%;
On any wave band of 400nm-440nm, at least light of filtering 60%;
On the wave band of 450nm, the light of filtering 50%-90%;
On the wave band of 460nm, the light of filtering 40%-80%;
On the wave band of 470nm, the light of filtering 30%-70%;
On the wave band of 500nm, the light of filtering 30% at most;
On the wave band of 520nm, the light of filtering 20% at most;
On the wave band of 550nm-720nm, the light of filtering 10% at most.
In a preferred embodiment of the present invention, the equipment of described selective filter light has following feature:
On the wave band of 320nm-400nm, at least average filtering exceedes 95% light;
On the wave band of 400nm-440nm, at least light of filtering 60%;
On the wave band of 450nm, the light of filtering 50%-90%;
On the wave band of 460nm, the light of filtering 40%-80%;
On the wave band of 470nm, the light of filtering 30%-70%;
On the wave band of 500nm, the light of filtering 25% at most;
On the wave band of 510nm, the light of filtering 20% at most;
On the wave band of 550nm-720nm, the light of filtering 10% at most.
In foregoing invention content of the present invention, described matrix resin component can be selected from any one or a few in polyurethanes or poly-sulphur ammoniacum compounds.Can be for example in polymethylmethacrylate, allyl diglycol carbonic acid enzyme and diisopropyl peroxidating carbonic ether multipolymer, polyurethane, thiourethanes, polycarbonate any one or multiple.As KOC Solution CO., LTD. KY-55, the KOC Solution CO. of production, one or more in the MR-7A of the MR-8B1 of the KA50-3A that LTD. produces, the MR-8A that Mitsui Chemicals (Shanghai) Co., Ltd. produces, the production of Mitsui Chemicals (Shanghai) Co., Ltd., the MR-8B2 that Mitsui Chemicals (Shanghai) Co., Ltd. produces, the production of Mitsui Chemicals (Shanghai) Co., Ltd., the MR-7B that Mitsui Chemicals (Shanghai) Co., Ltd. produces.
Wherein, described ultraviolet light absorber is selected from any one or a few in salicylate class, benzophenone class, benzotriazole, group-substituted acrylonitrile, triazines and hindered amines ultraviolet light absorber.
The equipment of the selective filter light described in the application can also comprise polymer arts known can used additives, as any one or a few in toughner, bulking agent, plasticiser, antioxidant, release agent, plastifier, resistance modifier, nucleator, anti-wear agent, antistatic agent, antifoggant.
The ratio that described auxiliary agent accounts for the gross weight of equipment amount of described selective filter light is preferably≤and 3%, more preferably 1.5%-2.5%.
Another aspect of the present invention also provides a kind of method of the equipment of preparing above-mentioned selective filter light, comprises colorant is added in matrix resin, mixes, and makes the equipment of selective filter light.
In a kind of preferred embodiment of the method for the invention, described equipment is selected from lens, glasses clamping piece, LCD screen pad pasting, contact lenses, intraocular lens, corneal inlay, cornea covering and corneal graft; Wherein, be preferably lens.
In a kind of preferred embodiment of the method for the invention, colorant and ultraviolet light absorber are added in matrix resin, mix, make selective filter light eyeglass.
In a kind of preferred embodiment of the method for the invention, colorant, ultraviolet light absorber and optional auxiliary agent are added in matrix resin, mix, make the eyeglass of selective filter light.
The method of the described eyeglass of making selective filter light can be the method that adopts existing manufacture eyeglass.
But should be understood that the various aspects that the present invention is above-mentioned and various preferred embodiment thereof can carry out combination in any by those skilled in the art are unrestricted, and described combination are also contained within the scope of summary of the invention of the present invention.
Eyeglass of the present invention can effectively prevent that the light of 400-500nm from entering eyes, can make us eyes and loosen, and reduces eye fatigue, is particularly suitable for seeing for a long time the crowd of the equipment that the blue light intensity such as TV, mobile phone, computer, panel computer are higher.
Brief description of the drawings
Fig. 1 has shown the light penetration curve map of the eyeglass of a kind of selective filter light of the present invention;
Fig. 2 has shown the eyeglass of a kind of selective filter light of the present invention and the contrast of the extinction light ray curve of common eyeglass;
Fig. 3 has shown that normal dyeing eyeglass, conventional rete filter the reflectance curve figure of eyeglass, contrast product 1 and contrast product 2;
Fig. 4 is eyeglass and the absorption light ray curve contrast of xenthophylls in acetone soln that has shown a kind of selective filter light of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is carried out to detailed and concrete introduction, to better understand the present invention, but following embodiment does not limit the scope of the invention.
Embodiment 1
An eyeglass for selective filter light, comprises component:
The production method of the eyeglass of described selective filter light is preferably:
Step 1 is mixed KY55, KA50-3A, ultraviolet light absorber UV-41 and colorant under 50-70 DEG C of temperature conditions, and ultraviolet light absorber and colorant are cooled to after dissolving completely below 30 DEG C;
Step 2, adds azo initiator V-65, after mixing, stops heating, static 12-36h;
Step 3, is evacuated to-0.1MPa, keeps 25 ± 1 DEG C of material temperatures, implements placement operation.
After eyeglass is heating and curing, carry out stiffened (the WH-10 model hardening liquid of DON company of Korea S) and vacuum coating, filming parameter is:
The eyeglass of the selective filter light making according to the method step described in above-described embodiment, thickness is 2.2mm, the spectrophotometer UV-2450 producing through Japanese Shimadzu company detects, as shown in Figure 1, to the effectively filtering of the following light of 480nm, wherein, can the light of filtering about 50% in 400nm-450nm, keep 90% the transmitance of exceeding between 500nm-720nm simultaneously, and near 600nm, reach the light transmittance that approaches 99%.This makes this eyeglass in the situation that of a large amount of too much blue light of filtering, and lens wearer does not think that light is dimmed yet, has realized preferably filtration blue light, the effect of protection eyes.
Embodiment 2
An eyeglass for selective filter light, comprises component:
The production method of the eyeglass of described selective filter light is preferably:
Step 1 is mixed MR-8A, ultraviolet light absorber and colorant under 40-60 DEG C of temperature conditions, and ultraviolet light absorber and colorant are cooled to after dissolving completely below 20 DEG C;
Step 2, provides MR-8B1, MR-8B2, light trigger DBC(Mitsui) add, after mixing, stop heating, static 12h;
Step 3, is evacuated to-0.1MPa, keeps 15 ± 1 DEG C of material temperatures, implements placement operation.
After eyeglass is heating and curing, carry out stiffened (the WH-10 model hardening liquid of DON company of Korea S) and vacuum coating, filming parameter is:
According to the eyeglass of the selective filter light of above-described embodiment gained, thickness is 2.2mm, the spectrophotometer UV-2450 producing through Japanese shimadzu company detects, as shown in Figure 1, to the effectively filtering of the following light of 480nm, wherein, can the light of filtering about 50% in 400nm-450nm, keep 90% the transmitance of exceeding between 500nm-720nm simultaneously, and near 600nm, reach the light transmittance that approaches 99%.This makes this eyeglass in the situation that of a large amount of too much blue light of filtering, and lens wearer does not think that light is dimmed yet, thereby can realize preferably filtration blue light, the effect of protection eyes.
Fig. 2 is the eyeglass of a kind of selective filter light of the present invention and the contrast of the extinction light ray curve of common eyeglass, as shown in Figure 2, and the wavelength (nm) that horizontal ordinate is light, and ordinate is light penetration (%).
By can obviously finding out in Fig. 2:
Eyeglass described in the embodiment of the present invention, the transmitance of the light that is 500-780nm for wavelength is all greater than 90%, and wherein when the wavelength of light is between 600-700nm time, transmitance is essentially 100%, the transmitance that the embodiment of the present invention is the light of 400nm left and right for wavelength is essentially 0.
Adopt respectively normal antireflecting film eyeglass, conventional rete to filter eyeglass, normal dyeing sheet, contrast product 1 and contrast product 2 and carry out the detection of extinction light ray curve.Wherein, described normal antireflecting film eyeglass comprises the feed composition of following proportioning:
And adopt the WH-10 model hardening liquid of DON company of Korea S, concrete filming parameter is:
Obtain described normal antireflecting film eyeglass.
The material that described conventional rete filters eyeglass is that material is MR-8, and the first surface that described conventional rete filters the material of eyeglass is blue rete, second green rete.
Wherein, first surface is specially:
The second mask body is:
Described normal dyeing sheet can be " order specialized lens is protected in optimistic online " that Shi Bo Optical Co., Ltd releases, and main material is CR-39 resin material.
Described contrast product 1 is for depending on helping eyeglass (Beijing Delishi Trading Co., LTD), and lens materials is polycarbonate, and this product uses rete filtering technique, and does not add dyestuff.
Described contrast product 2 is leopard gram eyeglass (Beijing Delishi Trading Co., LTD), and lens materials is polycarbonate.
The reflectance curve schematic diagram of described normal dyeing eyeglass, the filtration of conventional rete eyeglass, contrast product 1 and contrast product 2 as shown in Figure 3.
In addition, by finding out in Fig. 2:
The transmitance that described normal antireflecting film eyeglass is light more than 430nm to wavelength is all greater than 90%, and when the wavelength of light is greater than after 500nm, described normal antireflecting film eyeglass is downward trend to the transmitance of light;
And the transmitance of the light that described conventional rete filtration eyeglass is 390-410nm to wavelength is 60-80%, adopt " normal dyeing sheet " light that effectively wavelength-filtered is 390-410nm;
Described normal dyeing sheet is the most approaching for the transmitance in transmitance and the embodiment of the present invention of the light of 400-420nm, but the transmitance of the light that described normal dyeing sheet is 430-780nm for wavelength is only up to 90% left and right, if adopt described normal dyeing sheet as ophthalmic lens, it is dimmed that the wearer of eyes easily experiences light, is unfavorable for using;
Adopt described contrast product 1 to carry out extinction ray-test, by finding out in Fig. 2, when the wavelength of light is between 390-430nm, the curve of the extinction light of described contrast product 1 is close with " conventional rete filtration eyeglass " curve, from 400nm-420nm, the transmittance of light increases very fast, but cannot have good barrier effect to blue light; In the time that the wavelength of light is 430nm-500nm, described contrast product 1 is ascendant trend slowly to the transmittance of light, and reaches 500nm when above when the wavelength of light, and described contrast product 1 maintains more than 90% the transmittance of light;
And adopt described contrast product 2 to carry out extinction ray-test, in the time that the wavelength of light is 400-420nm, the transmittance of light is less than 10%, better to the blocking effect of blue light.But in the time that wavelength is 460nm-780nm, the fluctuating range of the transmitance of described contrast product 2 to light is larger.The long-term eyeglass wearer who uses described contrast product 2 easily produces eye fatigue symptom, is unfavorable for wearing for a long time use.
In addition, adopt existing conventional rete filter eyeglass, normal antireflecting film eyeglass, normal dyeing sheet, contrast product 1, contrast product 2 and use the eyeglass described in the present invention, watch 3 hours with after computer, conventional rete filters eyeglass, normally antireflecting film eyeglass, normal dyeing sheet bring more comfortable experience than using to use the eyeglass described in the present invention, and swollen, the dry and astringent and tired phenomenon of eyes acid also obviously reduces.
Fig. 4 is a kind of eyeglass and the absorption light ray curve contrast of xenthophylls in acetone soln of selective filter light.Wherein, it is that carotenoid, particularly xenthophylls in recessed by macula retinae district center absorbs blue light in light that human eye absorbs blue light, and blue light is the light that wavelength is 400-500nm.
As described in Figure 4; the absorption light ray curve contrast in acetone soln of the eyeglass of selective filter light provided by the present invention and xenthophylls; eyeglass selective filter light and xenthophylls absorb the light in same wavelength ranges; visible; screening glass of the present invention can imitate xenthophylls and absorb harmful light; screening glass of the present invention can imitate xenthophylls and absorb harmful light, is a kind of more natural, safe protected mode, thereby plays effect of protection eyes.
The eyeglass of selective filter light of the present invention is a kind of more natural, safe protection eyes mode.
Above specific embodiments of the invention be have been described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and alternative also all among category of the present invention.Therefore, equalization conversion and the amendment done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (17)
1. an equipment for selective filter light, is characterized in that,
On any wave band of 380nm-400nm, at least light of filtering 95%;
On any wave band of 400nm-440nm, at least light of filtering 60%;
On the wave band of 450nm, the light of filtering 50%-90%;
On the wave band of 460nm, the light of filtering 40%-80%;
On the wave band of 470nm, the light of filtering 30%-70%;
On the wave band of 500nm, the light of filtering 30% at most;
On the wave band of 520nm, the light of filtering 20% at most;
On the wave band of 550nm-720nm, the light of filtering 10% at most.
2. the equipment of selective filter light according to claim 1, is characterized in that, on any wave band of 420-500nm, and the light of two-sided maximum reflections 5%.
3. the equipment of selective filter light according to claim 1, is characterized in that, described equipment is selected from lens, glasses clamping piece, LCD screen pad pasting, contact lenses, intraocular lens, corneal inlay, cornea covering and corneal graft.
4. the equipment of selective filter light according to claim 1, is characterized in that, described equipment is lens.
5. the equipment of selective filter light according to claim 1, is characterized in that, comprises component:
Matrix resin 100 weight portions;
Colorant 0.001-0.05 weight portion;
Ultraviolet light absorber 0-5 weight portion.
6. the equipment of selective filter light according to claim 1, is characterized in that, according to weight proportion, the equipment of described selective filter light comprises following component:
Matrix resin 100 weight portions;
Colorant 0.005-0.01 weight portion.
7. according to the equipment of the selective filter light described in any one in claim 5 or 6, it is characterized in that, described matrix resin is selected from any one or a few in polyurethanes or poly-sulphur ammoniacum compounds.
8. the equipment of selective filter light according to claim 7, it is characterized in that, described matrix resin be selected from polymethylmethacrylate, allyl diglycol carbonic acid enzyme and diisopropyl peroxidating carbonic ether multipolymer, polyurethane, thiourethanes, polycarbonate any one or multiple.
9. according to the equipment of the selective filter light of any one in claim 5 or 6, it is characterized in that, described colorant is selected from one or more the mixing in oiliness dyestuff, azo dyes, disperse dyes, sulfur dye, premetallized dye or pigment.
10. the equipment of selective filter light according to claim 9, is characterized in that, colorant is selected from yellow oiliness dyestuff.
The equipment of 11. selective filter light according to claim 1, is characterized in that, on any wave band of 380-415nm, at least filtering exceedes 97% light.
The equipment of 12. selective filter light according to claim 1, is characterized in that, on the wave band of 420nm, at least filtering exceedes 80% light.
The equipment of 13. selective filter light according to claim 1, is characterized in that, on the wave band of 440nm, at least filtering exceedes 65% light.
The equipment of 14. selective filter light according to claim 1, is characterized in that, on the wave band of 460nm, at least filtering exceedes 55% light.
The equipment of 15. selective filter light according to claim 1, is characterized in that, on the wave band of 500nm, and the light of filtering 20% at most.
The equipment of 16. selective filter light according to claim 1, is characterized in that, on the wave band of 520nm, filtering exceedes 10% light at most.
The equipment of 17. selective filter light according to claim 1, is characterized in that, on any wave band of 530nm-780nm, and the light of filtering 10% at most.
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| CN201410139216.6A CN103941320A (en) | 2014-04-08 | 2014-04-08 | Device for selectively filtering light rays |
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| CN201410139216.6A CN103941320A (en) | 2014-04-08 | 2014-04-08 | Device for selectively filtering light rays |
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