CN101819287B - Process of fabricating dioptric lens with light control function - Google Patents
Process of fabricating dioptric lens with light control function Download PDFInfo
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- CN101819287B CN101819287B CN2010103005916A CN201010300591A CN101819287B CN 101819287 B CN101819287 B CN 101819287B CN 2010103005916 A CN2010103005916 A CN 2010103005916A CN 201010300591 A CN201010300591 A CN 201010300591A CN 101819287 B CN101819287 B CN 101819287B
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- refractive index
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Abstract
The invention relates to a dioptric lens, in particular to a process of fabricating the dioptric lens with the light control function. The process comprises the following steps: fabricating a substrate by leading the weight ratio of a compound doped in an organic polymer base material to be 1-3.5%; placing the well fabricated substrate into a vacuum film plating machine, and carrying out evaporation on an interference medium film layer formed by staggered lamination of media with high and low refractive indexes, wherein the number of the medium film layers with the high refractive index in the interference medium film layer is above four, the optical thickness of the medium film layers with the high refractive index is 180nm-500nm, and the optical thickness of the medium film layer with the low refractive index is 50nm-250nm. The invention mainly provides the process for fabricating the dioptric lens with the light control function, which increases the function of controlling light components entering into eyes on the basis of the function of changing the light path of the dioptric lens and further optimizes light entering into the eyes by controlling the light components entering into the eyes and improves the visual clarity and the comfort; and the process can solve the technical problems that the light components entering into the human eyes can not be well controlled during the process of fabricating the dioptric lens in the prior art, and the health of the eyes can not be effectively maintained.
Description
Technical field
The present invention relates to a kind of ametropia lens, relate in particular to a kind of manufacture craft with ametropia lens of control light function.
Background technology
Ophthalmic refractive just just can not make visible light normally focus on retina, has caused visual function disorder, is the disease of eye of commonplace generation.People have invented the correction of refractive errors lens, and the change light path function through the correction of refractive errors lens focuses on the retina visible light, helps ametropia patient to realize normal vision.The correction of refractive errors glasses comprise concavees lens, convex lens and post mirror.The eyeglass technological improvement direction of correction of refractive errors glasses mainly contains at present: 1, dioptric form technology, and like aspheric surface, many focuses etc.2, lens materials refractive index technology improves the refractive index height and can reduce lens thickness and eyeglass weight.3, antireflecting film (anti-reflection film) layer technology, antireflecting purpose are to eliminate the influence of lens surface reflection to vision, and the residual color effect of antireflective film also makes the eyeglass manufacturing industry make technological effort in this respect owing to have commercial value at present.4, the physicochemical property of top layer film technology is like aspects such as the wearing quality of top layer film, keeping a public place clean property and water proofing properties.
Human eye is that the stimulation through optical radiation produces vision; The light that can make human eye produce vision is referred to as visible light; Its spectral wavelength scope is 380～780nm, and its spectral wavelength scope of the light in the surroundings is 200～10000nm, and is more a lot of greatly than the spectral range of visible light.Different light sources forms different luminous environments, has different spectrum and distributes, and the generation of multiple known disease of eye and development and luminous environment have the very high degree of association.As: the cataract incidence of plateau crowd and stokehold occupational population is higher than other crowds; Presbyopia's emergence period of long-term occupational population in the open air is early than the office operation crowd; Reading crowd's the near-sighted incidence of disease is higher than simple work crowd; Being engaged in the computation majority for a long time can manifest visual discomfort even xerophthalmia takes place; Watch the electro-welding arc eyes can be by shouting pain even redness.Objective fact shows: for the wide part in eyes and the vision surroundings is invalid and harmful.The major function of existing ametropia lens is to change the light path of going into eye, regulates visible light and focuses on, and helps ametropia eye disease patient to realize normal vision, and light injures safeguard function for eyes provide targetedly and do not possess.
Summary of the invention
The present invention has mainly provided a kind of function that control gets into the light component of eyes that on the basis of ametropia lens change light path function, increased; Get into the light component of eyes through control; Make the light optimization that gets into eyes, improved the manufacture craft of the ametropia lens with control light function of vision definition and comfort level; Solve in the manufacture craft of existing in prior technology ametropia lens the light component that can not better controlled gets into human eye, can not effectively safeguard the technical matters of eye health.
The present invention provides a kind of can the inhibition in the environment human eye to be produced the ultraviolet ray and the short wavelength light composition in the visible light of actinicity injury and has visible light longwave optical composition and the near infrared ray that hot benefit injures simultaneously, effectively weakens the manufacture craft of optical radiation to the ametropia lens of the damage effect of eyes; The ametropia lens that solves the manufacture craft making of the ametropia lens that exists in the prior art does not have the technical matters to the safeguard function of light injury.
Above-mentioned technical matters of the present invention mainly is able to solve through following technical proposals: a kind of manufacture craft of controlling light function ametropia lens, comprise with the organic polymer being base material, and be doped with ketone compounds and azole compounds, it is characterized in that:
A, the doped compound weight ratio that in the organic polymer base material, adds are: 1～3.5%, process substrate;
B, will make good substrate and put into vacuum coating equipment; Vapor deposition is interfered media coating; Described interference media coating is interlocked superimposed the composition by high low refractive index dielectric; Wherein the high refractive index medium rete in the inteferometer coating deielectric-coating is more than four layers, and the optical thickness of high refractive index medium rete is at 180nm～500nm, and the optical thickness of described low refractive index dielectric rete is at 50nm～250nm.
The purpose that existing eyeglass mixes is that absorbing wavelength is ultraviolet ray below the 400nm; Thereby proportioning is generally below 0.5%; The purpose of doping of the present invention is will the short wavelength light below the 415nm all be absorbed; Ratio range is between 1～3.5%, thereby makes eyeglass realize following function: 1, absorb ultraviolet ray; 2, effectively control the transmitance of purple light and blue light; 3, the vision transmitance of assurance eyeglass does not descend basically; 4, eyeglass has good colour rendering.Simultaneously the eyeglass after mixing is carried out vapor deposition treatment again; The interference media coating of vapor deposition comprises the high refractive index layer of optical thickness more than 180nm more than four layers; Guaranteed that to wavelength be long wave ruddiness and the usable reflection of near infrared light more than the 650nm; The effect of low refractive index dielectric rete is that the coupling high refractive index layer produces needed reflection and is that the light of 460～640nm scope produces antireflection to wavelength; And the purpose of existing eyeglass evaporation process is to realize the antireflection of visible light, thus can be in antireflection film layer vapor deposition optical thickness high refractive index layer more than 180nm more than four layers.Ametropia lens through behind doping of the present invention and the vapor deposition not only has reflection function to wavelength at the light of 650nm～1400nm scope; Simultaneously wavelength 460nm～640nm scope visible light had the antireflection function; Effectively containment optical radiation damage; Improve vision definition and comfort level, can offer the associated eye conditions patient and use, also can be used as near-sighted prevention and control and look screen protection use.
In sum, control light function ametropia lens provided by the invention has been expanded the control technology to purple light, blue light, long wave ruddiness, near infrared light through above-mentioned doping and vapor deposition inteferometer coating on the basis of existing ametropia lens change light path technology.
Control light function ametropia lens provided by the invention can offer optical radiation associated eye conditions patient and use, and also can be used as near-sighted prevention and control and looks screen protection use.
As preferably, the proportioning of described doped compound is 1.5～2.5%.Can be being that short wavelength light below the 450nm is more effectively controlled to the wavelength that retina is had damage in this scope.
The media coating of vapor deposition can be in a side of substrate, also can be at the monosymmetric vapor deposition of substrate identical high low refractive index dielectric film.As preferably, described media coating is by high low refractive index dielectric staggered superimposed composition (HL)
nL or (LH)
nL, wherein H is a high refractive index medium, and L is a low refractive index dielectric, and n representes (HL) or (LH) repeat number, n>=4 wherein, vapor deposition has waterproof membrane or adds dura mater outside media coating.The functional rete of vapor deposition outside media coating makes that the function of eyeglass is more complete, better effects if.Waterproof adds dura mater and adopts fluorine-containing organic silicon solid, and thickness remains between 30nm～80nm.
As preferably, described organic polymer is meant that the organic polymer optical material is a kind of in polycarbonate, polyamide, polystyrene, polymethylmethacrylate, the allyl diglycol acid esters series.
As preferably, described ketone compounds is a kind of among UV-9 (2-hydroxyl-4-methoxyl-Benzophenone), the UV-531 (2-hydroxyl-4-n-octyloxy-Benzophenone); Azole compounds is a kind of among UV-327 [2-(2-hydroxyl-3,5-di-tert-butyl-phenyl)-5-chlorinated benzotriazole], UV-29, UV-24, the UV-328 [2-(2-hydroxyl-3,5-di-tert-butyl-phenyl) benzotriazole].Above-claimed cpd is good to the absorbability of shortwave, and what can make that eyeglass after mixing can effectively suppress to produce in the environment has the short wavelength light composition in the visible light of injury to human eye.
As preferably, described high refractive index medium is that refractive index is at the metal oxide more than 1.8: ZrO
2, TiO
2, Ti
2O
5, ZnO, TiO, Fe
2O
3Interior is a kind of, and described low refractive index dielectric is that refractive index is at the nonmetal oxide below 1.7: SiO, SiO
2, Al
2O
3, MgF, CaF
2In a kind of.
Therefore; The manufacture craft of control light function ametropia lens of the present invention; Have following advantage: 1. the doping ratio range is between 1～3.5%; Thereby can realize that absorbing wavelength is the ultraviolet ray in 450nm～650nm scope, guarantee in the time of control purple light and blue light that the vision transmitance of eyeglass does not descend basically, and have good colour rendering; 2. the interference media coating of vapor deposition comprises the high refractive index layer of optical thickness more than 180nm more than four layers, and the rete of vapor deposition can be controlled ruddiness and the near infrared light of wavelength in 650nm～1400nm scope; 3. control light eyeshield eyeglass of the present invention has increased the light component function that control gets into eyes on the basis of existing ametropia lens change light path function; Get into the light component of eyes through control; Make and get into only optimizing of eyes; Can contain and avoid the damage of optical radiation, can improve vision definition and comfort level simultaneously, effectively safeguard eye health eyes.
Description of drawings
Fig. 1 is the spectrogram of control light functional lens of the present invention.
Embodiment:
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment 1:
The manufacture craft of control light function ametropia lens, the allyl diglycol acid ester monomer of choosing weight and be 20kg is as the eyeglass base material, and the UV-9 (2-hydroxyl-4-methoxyl-Benzophenone) that chooses 500g as dopant material, chooses silicon dioxide SiO
2As the low refractive index dielectric rete, choose ZrO
2As the high refractive index medium rete.
At first; Get the dopant material UV-9 (2-hydroxyl-4-methoxyl-Benzophenone) that allyl diglycol acid esters 5kg adds 500g; Filter after 4～6 hours with the stirring machine stirring, add the allyl diglycol acid esters of remaining 15kg after the filtration again, stirred again one hour.
Lens monomer enforcement casting, curing, cleaning, reinforcement process that above-mentioned doping is good make substrate.
The cast link requires: casting finishes and gets into curing oven in back 3 hours and be cured.
1), be that 10 ℃ of basic every risings were stablized 30 minutes with room temperature solidifying link requires:; 2) every rising was stablized 1 hour for 10 ℃ after, temperature was elevated to 45 ℃; Stablized when 3) temperature is elevated to 75 ℃ 10 hours; 4), temperature is elevated to 90 ℃ and stablized 52 hours), curing oven stops to heat, treat temperature natural drop to 70 ℃ after timing solidify and accomplish.
1), water for cleaning is through negative ion and reverse-osmosis treated the cleaning link requires:; 2) cleaning machine is 12 groove ultrasonic cleaning machines; 3), the water temperature of last groove is controlled at 80～85 ℃.
1), eyeglass immersed in the organosilicon forced fluid at the uniform velocity slowly propose strengthening link requires:, hang up organosilicone film at lens surface; The eyeglass that 2) will hang up organosilicone film is put into and is strengthened stove and strengthen, and strengthening furnace temperature is 110 ℃, stablizes to strengthen in 2 hours and accomplishes.
Put into coating machine and carry out vapor deposition making good substrate, at a side vapor deposition of substrate the interference rete of symmetry is arranged, interfering rete is to be closed by high low refractive index dielectric film-stack to form.The concrete evaporation plating parameter of rete is gone into shown in the following table:
Eyeglass is entrusted national medicine equipment optical detection center to carry out optical property and is detected and estimate.The spectrum of eyeglass is as shown in Figure 1.Its main optics mark index is:
1), ultraviolet injury reduction amount UVF be 99.9%,
2), retina blue light damage reduction amount BLHD is 43.6%.
3), near infrared damage reduction amount IRHD is 57.8.
4), color developing:: the colour rendering index Ra (65) under the D65 light source is 93.2;
Colour rendering index Ra (A) under the A light source is 97.3
5), vision transmitance T (v) is 97.2%.
Embodiment 2:
The manufacture craft of control light function ametropia lens; The allyl diglycol acid ester monomer of choosing weight and be 20kg is as the eyeglass base material; The UV-327 [2-(2-hydroxyl-3,5-di-tert-butyl-phenyl)-5-chlorinated benzotriazole] that chooses 200g as dopant material, chooses silicon dioxide SiO
2As the low refractive index dielectric rete, choose TiO
2As the high refractive index medium rete.
At first; Get dopant material UV-327 [2-(the 2-hydroxyl-3 that allyl diglycol acid esters 8kg adds 400g; The 5-di-tert-butyl-phenyl)-the 5-chlorinated benzotriazole]; Filter after 4～6 hours with the stirring machine stirring, add the allyl diglycol acid esters of remaining 18kg after the filtration again, stirred again one hour.
The lens monomer that above-mentioned doping is good according to the mode in the embodiment 1 cast, solidify, cleaning, reinforcement process make substrate.
Have by high low refractive index dielectric film-stack at the symmetria bilateralis vapor deposition of substrate then and close the deielectric-coating that forms.
Embodiment 3:
The manufacture craft of control light function ametropia lens, the polycarbonate of choosing weight and be 20kg is as the eyeglass base material, and the UV-531 (2-hydroxyl-4-n-octyloxy-Benzophenone) that chooses 700g as dopant material, chooses silicon dioxide SiO
2As the low refractive index dielectric rete, choose TiO
2As the high refractive index medium rete.
At first; Get the dopant material UV-531 (2-hydroxyl-4-n-octyloxy-Benzophenone) that allyl diglycol acid esters 7kg adds 700g; Filter after 4～6 hours with the stirring machine stirring, add the allyl diglycol acid esters of remaining 13kg after the filtration again, stirred again one hour.
The lens monomer that above-mentioned doping is good according to the mode in the embodiment 1 cast, solidify, cleaning, reinforcement process make substrate.
In the symmetria bilateralis vapor deposition of substrate such as embodiment 2, close the deielectric-coating that forms then by high low refractive index dielectric film-stack.
Specific embodiment described herein only is that design of the present invention is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. a manufacture craft of controlling light function ametropia lens comprises with the organic polymer being base material, is doped with ketone compounds or azole compounds, it is characterized in that:
A, the doped compound weight ratio that in the organic polymer base material, adds are: 1～3.5%, process substrate; The purpose of mixing is will the short wavelength light below the 415nm be absorbed fully;
B, will make good substrate and put into vacuum coating equipment; Vapor deposition is interfered media coating; Described interference media coating is interlocked superimposed the composition by high low refractive index dielectric; Wherein the high refractive index medium rete in the inteferometer coating deielectric-coating is more than four layers, and the optical thickness of high refractive index medium rete is at 180nm～500nm, and the optical thickness of described low refractive index dielectric rete is at 50nm～250nm; The interference media coating of vapor deposition comprises the high refractive index layer of optical thickness more than 180nm more than four layers; Guaranteed that to the long wave ruddiness more than the wavelength 650nm and the usable reflection of near infrared light the effect of low refractive index dielectric rete is the coupling needed reflection of high refractive index layer and the light of wavelength 460nm～640nm scope produced antireflection.
2. the manufacture craft of control light function ametropia lens according to claim 1, it is characterized in that: the proportioning of described doped compound is 1.5～2.5%.
3. the manufacture craft of control light function ametropia lens according to claim 1 and 2 is characterized in that: described media coating is interlocked superimposed composition the (HL) by high low refractive index dielectric
nH or (LH)
nL, wherein H is a high refractive index medium, and L is a low refractive index dielectric, and n representes (HL) or (LH) repeat number, n>=4 wherein, vapor deposition has waterproof to add dura mater outside media coating.
4. the manufacture craft of control light function ametropia lens according to claim 1 and 2 is characterized in that: described organic polymer is meant that the organic polymer optical material is a kind of in polycarbonate, polyamide, polystyrene, polymethylmethacrylate, the allyl diglycol acid esters series.
5. the manufacture craft of control light function ametropia lens according to claim 1 and 2 is characterized in that: described ketone compounds is a kind of among UV-9 (2-hydroxyl-4-methoxyl-Benzophenone), the UV-531 (2-hydroxyl-4-n-octyloxy-Benzophenone); Azole compounds is a kind of among UV-327 [2-(2-hydroxyl-3,5-di-tert-butyl-phenyl)-5-chlorinated benzotriazole], the UV-328 [2-(2-hydroxyl-3,5-di-tert-butyl-phenyl) benzotriazole].
6. the manufacture craft of control light function ametropia lens according to claim 1 and 2 is characterized in that: described high refractive index medium is that refractive index is at the metal oxide more than 1.8: ZrO
2, TiO
2, Ti
2O
5, ZnO, TiO, Fe
2O
3Interior is a kind of, and described low refractive index dielectric is that refractive index is at the nonmetal oxide below 1.7: SiO, SiO
2, Al
2O
3, MgF, CaF
2In a kind of.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103005916A CN101819287B (en) | 2010-01-22 | 2010-01-22 | Process of fabricating dioptric lens with light control function |
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|---|---|---|---|
| CN2010103005916A CN101819287B (en) | 2010-01-22 | 2010-01-22 | Process of fabricating dioptric lens with light control function |
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| CN101819287B true CN101819287B (en) | 2012-06-06 |
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| CN103675954A (en) * | 2013-11-26 | 2014-03-26 | 江苏硕延光学眼镜有限公司 | Blue-light-resistant resin lens of 1.60 in refractivity and preparation method thereof |
| CN104525209B (en) * | 2014-12-24 | 2016-09-07 | 天津大学 | Iron oxide zinc ferrite hetero-junction thin-film and preparation method thereof and the application in photocatalysis |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203376A (en) * | 1997-06-19 | 1998-12-30 | 郑祖祯 | Method for making uvioresistant colour-changing glasses |
| CN1564052A (en) * | 2004-04-12 | 2005-01-12 | 温州众生科技有限公司 | Health lens for preventing blue light harm and its mfg. method |
| CN1580870A (en) * | 2004-05-18 | 2005-02-16 | 温州众生科技有限公司 | Blue-light-proof protective lens for driving and its manufacturing method |
-
2010
- 2010-01-22 CN CN2010103005916A patent/CN101819287B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203376A (en) * | 1997-06-19 | 1998-12-30 | 郑祖祯 | Method for making uvioresistant colour-changing glasses |
| CN1564052A (en) * | 2004-04-12 | 2005-01-12 | 温州众生科技有限公司 | Health lens for preventing blue light harm and its mfg. method |
| CN1580870A (en) * | 2004-05-18 | 2005-02-16 | 温州众生科技有限公司 | Blue-light-proof protective lens for driving and its manufacturing method |
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