CN101866063A - Resin lens having infrared-resisting function and preparation method thereof - Google Patents
Resin lens having infrared-resisting function and preparation method thereof Download PDFInfo
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- CN101866063A CN101866063A CN201010193580A CN201010193580A CN101866063A CN 101866063 A CN101866063 A CN 101866063A CN 201010193580 A CN201010193580 A CN 201010193580A CN 201010193580 A CN201010193580 A CN 201010193580A CN 101866063 A CN101866063 A CN 101866063A
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Abstract
The invention discloses a protective lens and a preparation method thereof and provides a resin lens having an infrared-resisting function and a preparation method thereof. An optic film layer which has high reflection to close-infrared and antireflection to the visible lights is plated on a concave side of a substrate of the resin lens, wherein the optic film layer is formed by stacking a material film with a low refractive index and another material film with a high refractive index. At least five layers of visible light antireflection films are plated on a convex side of the substrate. The resin lens having an infrared-resisting function of the invention majorly utilizes the interference principle of optic film. The resin lens having an infrared-resisting function made from the optical filters can efficiently prevent the natural light or the close-infrared band in environmental light from entering into the eyes, can be used under the condition of insufficient illumination or night due to the high transmissivity of the visible light, and will not influence the definition of human eyes.
Description
Technical field:
The present invention relates to a kind of optical glasses eyeglass and preparation method thereof.
Background technology:
Eyeball mainly partly is made up of cornea, iris, crystalline lens and retina etc., the refracting media of eye has very strong focussing force, the incident beam height is pooled very little hot spot, thereby make the energy density on the retina improve 104～105 times than projectile energy density on the cornea.Retina does not have power of regeneration, if so the visual cell dead, the visual function of this part will be damaged forever.As long as 8～10 photons just can produce vision, its energy is equivalent to 1.4 * 10 to retinal photoreceptor in indigo plant, green light spectrum
-5J/cm
2Therefore, eyeball is the organ the most responsive to optical radiation, and harmful irradiation of low dosage just can cause amphiblestroid major injury and cause visual deterioration until blind.
Ocular tissue is different to transmission, reflection and the absorptivity of different wave length light wave, thereby the optical radiation of different wave length reaches also difference of consequence to the position difference of eye injury.As shown in table 1, ultraviolet light mainly is cornea and lens to the damage of eye, and this wave band is almost all absorbed by crystalline lens.Visible light and near infrared light easily cause PVR mainly by retinal absorption under the high light.Mid and far infrared light is absorbed as the master with cornea, can cause cornea and phacoscotasmus.Far red light also is based on cornea to the infringement of eyes, and the optical radiation of this class wavelength is almost all absorbed by cornea, mainly causes keratitis and conjunctivitis, feels perhaps that eyes pains, foreign matter sample stimulate, keep in dark place, drop tears, eyeball congestion, visual deterioration etc.
The optical radiation of table 1 different wave length at the eye injury position
| Wavelength region may | Wavelength coverage (nm) | The main damage position |
| Ultraviolet | ??180～400 | Cornea, crystalline lens |
| Visible light | ??400～700 | Retina, choroid |
| Near infrared | ??700～1400 | Retina, choroid, crystalline lens |
| Mid and far infrared | ??1400～30000 | Cornea |
Eye injury mechanism is different with wavelength due to the optical radiation.In general, as seen reach near-infrared light waves irradiation tissue and be mainly thermal effect, ultraviolet band is by photochemical effect the big molecule of some important biomolecules to be sustained damage.Generally speaking, the high light radiation of 0.4～1.4 μ m threatens maximum to human eye.Mid and far infrared light greater than 1.4 μ m can not enter in the human eye basically, and energy is absorbed at the anterior corneal surface layer.
When a low power light source direct irradiation human eye, if visible light, the dioptric system that then most of photon stream can constantly pass eye arrives on the retina, and wherein a part of photon causes a series of photochmeical reactions, and another part photon then becomes heat.Because power density is low, accepted the photon energy tissue of heating gradually, can pass to surrounding tissue to heat by molecular vibration, or heat transferred is clouded in the retina bottom choroid in the blood in the blood capillary, take the eyes outside to blood circulation.The temperature of retina and whole eyes can obviously not raise like this.When the output power of light source improves constantly, after certain numerical value, the energy that is consumed in photochmeical reaction in the luminous energy of retinal absorption increases seldom, major part is converted into heat energy, when the speed of accumulation of heat during greater than radiating rate, the interior temperature of subrange that retina is accepted photon stream will raise, and when being higher than 10～20 ℃ of normal body temperatures, will cause amphiblestroid injury.
High light damage human eye might not be looked at light source straight and causes owing to human eye, from the reflection at various interfaces or diffuse and also can cause damage to eye.When accident takes place, most the wounded feel to glisten suddenly at the moment, occur the hot spot or the shadow of a different colours, different sizes then, and decline in various degree appears in eyesight simultaneously, weight person can not differentiate object at the moment in the short time, occurs the dizzy and photophobia of a few hours after the wound that has.From the light beam incident direction of irradiation eyes, because direct-view light focuses on the central fovea of macula of eyeground sensitivity, so the direct-view light source is bigger than the harm of secondary reflection light.
From the sixties in 20th century, countries such as the U.S., the Soviet Union and West Europe just begin eye face protection equipment is launched research.To early 1990s, the protective glasses of being estimated by the OSA of Optical Society of America has reached hundreds of.The protective glasses equipment divides linear protective equipment and non-linear protective equipment two classes.Traditional linear material mainly comprises absorption-type, reflection-type, compound and several classes of diffraction type, and research both at home and abroad at present is the most ripe, most widely used to be the absorption-type material, and two kinds of resin type and glass moulds are arranged.Resin type is the organic dyestuff that add to absorb light wave in optical resin, and advantage is that optical density (OD) height, light weight, price are low, easy to prepare, shortcoming be easily aging, skin hardness is low, chemical reagent resistance is poor.Glass mould is to add inorganic dyestuff to make in the glass melting process, overcome the shortcoming of resin protective material, but its optical density (OD) is low, absorbing wavelength is few.
In the daily life, people have few opportunities and touch laser or artificial strong light light source, but this and do not mean that ordinary people's eyes do not need daily protection.Known in the solar radiation that 10% is the ultraviolet light energy, about 40% is visible light, and residue about 50% all is an infrared light.Ultraviolet light itself is because the atmosphere penetration capacity is low, and the ordinary resin eyeglass has absorption more by force to ultraviolet light again, so the occurring in nature ultraviolet light is comparatively limited to the damage of human eye.On the contrary, infrared light has very strong penetration capacity, and existing lens materials is very little to its absorption, and a large amount of infrared light of result can direct irradiation or is reflected in the human eye.Ultraviolet light mainly is cornea and crystalline lens to the damage of eye; Near infrared light can arrive the eyeground, mainly by retinal absorption; Mid and far infrared light and far red light are absorbed as the master with cornea, can not arrive the eyeground.So the infrared protection eyeglass should mainly provide the protection effect of near-infrared band to human eye.
Sunglasses can provide to a certain degree infrared protection to eyes, but it to the transmitance of visible light usually below 30%, can only be in fine outdoor application, strong or can not wear under the environment night in illuminance, when especially passing in and out tunnel road on the expressway, it is abnormally dangerous to wear sunglasses.
A can providing and the same high transmitance of common concave lens at visible light wave range also is not provided at present on the market, can effectively stops near infrared light to enter eyes again simultaneously, can supply ordinary people's infrared protection eyeglass used in everyday.
Summary of the invention:
For the present invention overcomes deficiency on the prior art, a kind of resin lens with infrared-resisting function and preparation method thereof is provided, resin lens was reduced to below 60% at the mean transmissivity of near-infrared band 800 ~ 1400nm, simultaneously the mean transmissivity of visible light is brought up to more than 80%, it is clear and obtain certain infrared protection to make eyes look thing.
Above-mentioned technical requirement of the present invention is achieved by the following technical programs:
Compared with prior art, the invention has the beneficial effects as follows: a kind of resin lens with infrared-resisting function, include the resin lens substrate, it is characterized in that: the concave surface of substrate is coated with to be possessed high reflex, visible light is possessed the optical thin film layer of antireflection effect near infrared light, and described optical thin film layer replaces storehouse by a kind of low-index material rete and another kind of high-index material rete and forms; The convex surface of substrate is coated with at least 5 layers visible light antireflective film.
Preferably, at substrate and optical thin film layer and between substrate and visible light antireflective film, also be provided with and add dura mater.
The resin lens substrate is by any one ametropia lens that constitutes in polycarbonate, polymethylmethacrylate or allyl diglycol carbonic ether and the diisopropyl peroxidating carbonic ether multipolymer.
The described dura mater that adds is to be made of in organic alcoxyl silicon, organic alcoxyl titanium, organic alcoxyl silicon derivative or the organic alcoxyl titanium derivative any one.
The described visible light anti-reflection rete that is plated on convex lens surface is respectively SiO from the inside to the outside
2Rete and Si
3N
4Rete is alternately formed.
Described low-index material rete is silicon monoxide rete or silica coating.
Described high-index material rete can be any one rete in titania, zirconium dioxide, hafnium oxide, niobium pentaoxide or the silicon nitride.
A kind of preparation method with resin lens of infrared-resisting function, it comprises following preparation process:
(1) pre-service before the resin lens plated film: resin lens is put into clean-out system be aided with cleaned by ultrasonic vibration 3-4 minute, threw moving 8-10 minute through putting into clear water after the drip washing; Carry out drying again through 2 grades deionized water overflow rinsing, and by infrared heat source, thereby the lens surface spot is cleaned, do not have water mark and residue;
(2) lens surface pre-service: eyeglass is fixed on the planetary fixture of coating machine, feeds argon gas and oxygen in the vacuum system of coating machine, and with gas ionization, ar atmo and oxygen atom bombardment resin lens surface produce cleanup action with lower-wattage;
(3) vacuum coating: start the coating machine vacuum system, treat that base vacuum reduces to 2.0x10
-3Below the Pa; Open the argon gas gas circuit, silicon target was discharged in argon ion 5-8 minute, remove the oxide of target surface; Mixed gas to vacuum chamber feeding argon gas, oxygen utilizes air flow meter pilot-gas flow, and operating pressure is stabilized in about 2Pa, the rotational workpieces frame, and temperature remains on normal temperature, and sputtering power is controlled at 1500W, deposition SiO
2Film, rate of sedimentation keep stable; Feed the mixed gas of argon gas, nitrogen again to vacuum chamber, utilize air flow meter pilot-gas flow, pressure is stabilized in about 2.5Pa, sputtering power is controlled at 2000W, deposition Si
3N
4Film, rate of sedimentation keep stable; Alternating deposit SiO
2Film and Si
3N
4Film makes two adjacent membranes series of strata low refractive index film SiO on the eyeglass
2With high refractive index film Si
3N
4Storehouse; The quick rising of resin lens temperature causes the film be full of cracks in the continuous sputter in order to avoid, behind the membraneous material about every deposition 500nm, interrupt the sputter process, sealing vacuum system and to wherein feeding argon gas, make the heat outwards conduction fast that accumulates on the eyeglass, restart the sputter process after 8-10 to be cooled minute.
Before the lens surface pre-service, preferably carry out the resin lens stiffened earlier and handle: eyeglass is transferred to the stiffened groove, is soaked in the hardening liquid, soak time 20-30 second; With certain speed eyeglass is mentioned from hardening liquid, take out the back and under infrared ray, shone 5-8 minute, make the stiffened membrane fussion; Resin lens is transferred to baking oven baking 1-1.5 hour, and baking temperature is 75-90 ℃, removes the aqueous vapor of surface adsorption, eliminates the eyeglass internal stress.
Through above-mentioned technological process, finished product is the resin lens that product of the present invention has infrared-resisting function.
Resin lens with infrared-resisting function provided by the invention mainly is to have utilized the optical thin film principle of interference, on the basis that fully research natural light radiation spectrum distributes with different radiation wave band injure human eye, find out the near-infrared band that human eye need be evaded, on resin lens, be coated with interference filter then with infrared-resisting function, make it have higher reflectivity, and have very high transmitance at visible light wave range at near-infrared band.The counter infrared ray resin lens made from this optical filter, can stop effectively that the near-infrared band in natural light or the surround lighting enters human eye, because the transmitance to visible light is very high, so this eyeglass also can use in cloudy illumination deficiency or night, what can not influence human eye looks the thing sharpness.
Description of drawings:
Fig. 1 is the transmittance curve of resin lens substrate during plated film not
Fig. 2 is the transmittance curve after preparation on the substrate adds dura mater and interference filter
Embodiment:
The invention will be further described below in conjunction with embodiment:
A kind of resin lens of counter infrared ray resin lens in this specific embodiment with infrared-resisting function, include the resin lens substrate, the concave surface of substrate is coated with to be possessed high reflex, visible light is possessed the optical thin film layer of antireflection effect near infrared light, described optical thin film layer replaces storehouse by a kind of low-index material rete and another kind of high-index material rete to be formed, and multilayer optical film is respectively SiO from the inside to the outside in the present embodiment
2Film and Si
3N
4The alternately storehouse of film, outermost layer is SiO
2Film, rete quantity are total up to 36 layers, and monofilm is the thinnest to be 6nm, and the thickest is 170nm.The convex surface of substrate is coated with the visible light antireflective film of 5 layers (also can more than 5 layers), and 5 layers of antireflective film are respectively SiO from the inside to the outside
2Film, Si
3N
4Film, SiO
2Film, Si
3N
4Film and SiO
2Film, film thickness is respectively 185nm, 34nm, 24nm, 66nm and 95nm, certain every layer film thickness all can between 20～190nm.
In the present embodiment, substrate and optical thin film layer and also be provided with between substrate and visible light antireflective film and add dura mater add dura mater and are by in organic alcoxyl silicon, organic alcoxyl titanium, organic alcoxyl silicon derivative or the organic alcoxyl titanium derivative any one and constitute.
Resin lens substrate among the present invention is by any one ametropia lens that constitutes in polycarbonate, polymethylmethacrylate or allyl diglycol carbonic ether and the diisopropyl peroxidating carbonic ether multipolymer.
Among the present invention, described low-index material rete can also be the silicon monoxide rete except being silica coating.
Among the present invention, described high-index material rete can also be any one rete in titania, zirconium dioxide, hafnium oxide, the niobium pentaoxide except adopting silicon nitride.
A kind of resin lens with infrared-resisting function of the present invention makes by being prepared as follows method:
(1) pre-service before the resin lens plated film: resin lens is put into clean-out system be aided with cleaned by ultrasonic vibration 3-4 minute, this clean-out system can be selected Deconex OP 171 and Deconex OP 150 for use, throws moving 8-10 minute through putting into clear water after the drip washing; Carry out drying again through 2 grades deionized water overflow rinsing, and by infrared heat source, thereby the lens surface spot is cleaned, do not have water mark and residue;
(2) the resin lens stiffened is handled: eyeglass is transferred to the stiffened groove, is soaked in the hardening liquid, soak time 20-30 second; With certain speed eyeglass is mentioned from hardening liquid, take out the back and under infrared ray, shone 5-8 minute, make the stiffened membrane fussion; Resin lens is transferred to baking oven baking 1-1.5 hour, and baking temperature is 75-90 ℃, removes the aqueous vapor of surface adsorption, eliminates the eyeglass internal stress.When some resin lens does not need to establish when adding dura mater, save this step.
(3) lens surface pre-service: eyeglass is fixed on the planetary fixture of coating machine, feeds argon gas and oxygen in the vacuum system of coating machine, and with gas ionization, ar atmo and oxygen atom bombardment resin lens surface produce cleanup action with lower-wattage (200W is following);
(4) vacuum coating: start the coating machine vacuum system, treat that base vacuum reduces to 2.0x10
-3Below the Pa; Open the argon gas gas circuit, silicon target was discharged in argon ion 5-8 minute, remove the oxide of target surface; Feed the mixed gas of argon gas, oxygen to vacuum chamber, utilize air flow meter pilot-gas flow to make argon flow amount be controlled at 30sccm, oxygen flow is controlled at 12.5sccm, operating pressure is stabilized in about 2Pa, the rotational workpieces frame, temperature remains on normal temperature, and sputtering power is controlled at 1500W, voltage 440V, frequency 50kHz; Deposition SiO
2Film, rate of sedimentation keep stable; Feed the mixed gas of argon gas, nitrogen again to vacuum chamber, utilize air flow meter pilot-gas flow, wherein argon flow amount is 15sccm, nitrogen flow is 12sccm, and pressure is stabilized in about 2.5Pa, and sputtering power is controlled at 2000W, voltage 430V, frequency 150kHz, deposition Si
3N
4Film, rate of sedimentation keep stable; Alternating deposit SiO
2Film and Si
3N
4Film makes two adjacent membranes series of strata low refractive index film SiO on the eyeglass
2With high refractive index film Si
3N
4Storehouse; The quick rising of resin lens temperature causes the film be full of cracks in the continuous sputter in order to avoid, behind the membraneous material about every deposition 500nm, interrupt the sputter process, sealing vacuum system and to wherein feeding argon gas, make the heat outwards conduction fast that accumulates on the eyeglass, restart the sputter process after 8-10 to be cooled minute.
As shown in Figure 2, after preparation on the substrate added dura mater and plating multilayer optical film and visible light antireflective film, the mean transmissivity of visible light 400～700nm was greater than 97%, and the mean transmissivity of near-infrared band 800～1400nm is lower than 54%.
Claims (9)
1. resin lens with infrared-resisting function, include the resin lens substrate, it is characterized in that: the concave surface of substrate is coated with to be possessed high reflex, visible light is possessed the optical thin film layer of antireflection effect near infrared light, and described optical thin film layer replaces storehouse by a kind of low-index material rete and another kind of high-index material rete and forms; The convex surface of substrate is coated with at least 5 layers visible light antireflective film.
2. the resin lens with infrared-resisting function as claimed in claim 1 is characterized in that: at substrate and optical thin film layer and also be provided with between substrate and visible light antireflective film and add dura mater.
3. the resin lens with infrared-resisting function as claimed in claim 1 is characterized in that the resin lens substrate is by any one ametropia lens that constitutes in polycarbonate, polymethylmethacrylate or allyl diglycol carbonic ether and the diisopropyl peroxidating carbonic ether multipolymer.
4. the resin lens with infrared-resisting function as claimed in claim 2 is characterized in that the described dura mater that adds is to be made of in organic alcoxyl silicon, organic alcoxyl titanium, organic alcoxyl silicon derivative or the organic alcoxyl titanium derivative any one.
5. the resin lens with infrared-resisting function as claimed in claim 1 is characterized in that the described visible light anti-reflection rete that is plated on convex lens surface, is respectively SiO from the inside to the outside
2Rete and Si
3N
4Rete is alternately formed.
6. the resin lens with infrared-resisting function as claimed in claim 1 is characterized in that described low-index material rete is silicon monoxide rete or silica coating.
7. the resin lens with infrared-resisting function as claimed in claim 1 is characterized in that described high-index material rete can be any one rete in titania, zirconium dioxide, hafnium oxide, niobium pentaoxide or the silicon nitride.
8. preparation method with resin lens of infrared-resisting function is characterized in that comprising following preparation process:
(1) pre-service before the resin lens plated film: resin lens is put into clean-out system be aided with cleaned by ultrasonic vibration 3-4 minute, threw moving 8-10 minute through putting into clear water after the drip washing; Carry out drying again through 2 grades deionized water overflow rinsing, and by infrared heat source, thereby the lens surface spot is cleaned, do not have water mark and residue;
(2) lens surface pre-service: eyeglass is fixed on the planetary fixture of coating machine, feeds argon gas and oxygen in the vacuum system of coating machine, and with gas ionization, ar atmo and oxygen atom bombardment resin lens surface produce cleanup action with lower-wattage;
(3) vacuum coating: start the coating machine vacuum system, treat that base vacuum reduces to 2.0x10
-3Below the Pa; Open the argon gas gas circuit, silicon target was discharged in argon ion 5-8 minute, remove the oxide of target surface; Mixed gas to vacuum chamber feeding argon gas, oxygen utilizes air flow meter pilot-gas flow, and operating pressure is stabilized in about 2Pa, the rotational workpieces frame, and temperature remains on normal temperature, and sputtering power is controlled at 1500W, deposition SiO
2Film, rate of sedimentation keep stable; Feed the mixed gas of argon gas, nitrogen again to vacuum chamber, utilize air flow meter pilot-gas flow, pressure is stabilized in about 2.5Pa, sputtering power is controlled at 2000W, deposition Si
3N
4Film, rate of sedimentation keep stable; Alternating deposit SiO
2Film and Si
3N
4Film makes two adjacent membranes series of strata low refractive index film SiO on the eyeglass
2With high refractive index film Si
3N
4Storehouse; The quick rising of resin lens temperature causes the film be full of cracks in the continuous sputter in order to avoid, behind the membraneous material about every deposition 500nm, interrupt the sputter process, sealing vacuum system and to wherein feeding argon gas, make the heat outwards conduction fast that accumulates on the eyeglass, restart the sputter process after 8-10 to be cooled minute.
9. preparation method as claimed in claim 8 is characterized in that: before the lens surface pre-service, carry out the resin lens stiffened earlier and handle: eyeglass is transferred to the stiffened groove, is soaked in the hardening liquid, soak time 20-30 second; With certain speed eyeglass is mentioned from hardening liquid, take out the back and under infrared ray, shone 5-8 minute, make the stiffened membrane fussion; Resin lens is transferred to baking oven baking 1-1.5 hour, and baking temperature is 75-90 ℃, removes the aqueous vapor of surface adsorption, eliminates the eyeglass internal stress.
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|---|---|---|---|
| CN2010101935802A CN101866063B (en) | 2010-06-02 | 2010-06-02 | Resin lens having infrared-resisting function and preparation method thereof |
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|---|---|---|---|
| CN2010101935802A CN101866063B (en) | 2010-06-02 | 2010-06-02 | Resin lens having infrared-resisting function and preparation method thereof |
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| CN101866063A true CN101866063A (en) | 2010-10-20 |
| CN101866063B CN101866063B (en) | 2012-05-02 |
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| CN103389561A (en) * | 2012-05-11 | 2013-11-13 | 玉晶光电(厦门)有限公司 | Optical lens with function of blocking infrared rays and optical glass thereof |
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| CN102736153A (en) * | 2012-07-05 | 2012-10-17 | 美德瑞光电科技（上海）有限公司 | Infrared cut-off filter with low-angle effect |
| US11214514B2 (en) | 2013-12-30 | 2022-01-04 | Saint-Gobain Performance Plastics Corporation | Optical film exhibiting improved light to solar gain heat ratio |
| CN104614794A (en) * | 2015-03-02 | 2015-05-13 | 山东阳谷恒晶光电有限公司 | Red stage optical filter and preparation method thereof |
| CN104614794B (en) * | 2015-03-02 | 2017-05-31 | 山东阳谷恒晶光电有限公司 | A kind of red stage optical filter and preparation method thereof |
| CN104656269A (en) * | 2015-03-17 | 2015-05-27 | 江苏万新光学有限公司 | Resin lens printed with infrared up-conversion luminescent material on surface and manufacturing method of resin lens |
| US10761248B2 (en) | 2015-08-26 | 2020-09-01 | Saint-Gobain Performance Plastics Corporation | Infrared reflecting film |
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Address after: 325000 No. 270 West College Road, Wenzhou, Zhejiang Patentee after: WENZHOU MEDICAL University Address before: 325000 No. 270 West College Road, Wenzhou, Zhejiang Patentee before: Wenzhou Medical College |
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Effective date of registration: 20190522 Address after: 200 000 2nd Floor, 800 Qingdai Road, Pudong New District, Shanghai Patentee after: Shanghai Jinuo Optics Co.,Ltd. Address before: 325000 No. 270 West College Road, Wenzhou, Zhejiang Patentee before: Wenzhou Medical University |