CN209946571U - Eimei oxidation-resistant progressive colorful lens - Google Patents
Eimei oxidation-resistant progressive colorful lens Download PDFInfo
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- CN209946571U CN209946571U CN201921137716.0U CN201921137716U CN209946571U CN 209946571 U CN209946571 U CN 209946571U CN 201921137716 U CN201921137716 U CN 201921137716U CN 209946571 U CN209946571 U CN 209946571U
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Abstract
The utility model relates to an anti-oxidant gradual colorful lens of angmi, be in including substrate and setting rete on the substrate surface, the rete includes from interior to exterior the bottom layer that stacks gradually, oxidation resisting layer, gradual colorful layer and protective layer by the substrate surface, gradual colorful layer includes low refracting index thin layer and the high refracting index thin layer that the multilayer set up in turn, just low refracting index thin layer and high refracting index thin layer equal non-uniform thickness set gradually to solve current coloured lens and can not demonstrate the problem of different colours simultaneously on same piece of lens.
Description
Technical Field
The utility model relates to a lens field specifically relates to an anti-oxidant gradual colorful lens of angstrom rice.
Background
Nowadays, glasses become a part of personal images, and especially show personal charm, especially consumers who pursue fashion trends usually select colored lenses in order to show individuality, so that the dosage of the colored lenses is increased.
The existing colored lens is mostly manufactured by the following two ways, firstly, the toner is directly mixed in the base material of the lens, and then the base material is directly ejected to form the lens; and the other method is to plate a toner shading film on the lens by adopting a dip plating method. The colored lenses manufactured by the two methods can only show one color on each lens, and cannot meet the requirement that consumers hope that different colors can be shown on the same lens at the same time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a colorful lens advances gradually to solve the problem that current coloured lens can not demonstrate different colours simultaneously on same lens.
The specific scheme is as follows:
the utility model provides an anti-oxidant gradual colorful lens of halli, includes the substrate and sets up the rete on the substrate surface, the rete includes by substrate surface from interior to exterior in proper order range upon range of priming coat, oxidation resisting layer, gradual colorful layer and protective layer, the colorful layer that gradually includes low refractive index thin layer and the high refractive index thin layer that the multilayer set up in turn, just low refractive index thin layer and high refractive index thin layer equal thickness set up gradually.
Further, all the film layers on the substrate are arranged in a non-equal-thickness progressive mode.
Further, the bottom layer is a first silicon-aluminum mixture layer, the antioxidation layer is composed of a second selenium layer and a third metal oxide layer, and the thickness of the first silicon-aluminum mixture layer is 600-1500 angstrom; the thickness of the second selenium layer is 100-300 angstrom meters; the thickness of the third metal oxide layer is 200-500 angstrom meters; the thickness of the gradual colorful layer is 1500-7000 angstroms meters; the thickness of the protective layer is 20-260 angstroms.
Further, the first silicon-aluminum mixture layer is a coating layer formed by a vacuum coating material L5; the low-refractive-index film layer is a plating layer formed by any one of SiO2 and vacuum coating material L5.
Further, the third metal oxide layer is a plating layer formed by any one of ZrO2, Nb2O5, Ti3O5 or Ta2O 5; the high-refractive-index thin film layer is a plating layer formed by any one of TiO2, Ti3O5, ZrO2 and Ta2O 5;
further, the protective layer is a waterproof material layer.
Furthermore, the thickness of the first silicon-aluminum mixture layer is 1400 angstrom, the thickness of the second selenium layer is 200 angstrom, the thickness of the third metal oxide layer is 1500 angstrom, the thickness of the fourth low-refractive-index layer is 920 angstrom, the thickness of the fifth high-refractive-index layer is 1600 angstrom, the thickness of the sixth low-refractive-index film layer is 230 angstrom, the thickness of the protective layer is 150 angstrom, and the prepared substrate is green-blue-yellow from top to bottom in a progressive colorful color.
Further, the thickness of the first silicon-aluminum mixture layer is 680 angstrom, the thickness of the second selenium layer is 100 angstrom, the thickness of the third metal oxide layer is 350 angstrom, the thickness of the fourth low-refractive-index layer is 1900 angstrom, the thickness of the fifth high-refractive-index layer is 500 angstrom, the thickness of the sixth low-refractive-index film layer is 1000 angstrom, the thickness of the seventh high-refractive-index layer is 1100 angstrom, the thickness of the eighth low-refractive-index layer is 1800 angstrom, and the thickness of the protective layer is 150 angstrom, so that the prepared substrate is purple red-yellow-blue in progressive color.
Furthermore, a pattern layer is arranged between the outer surface of the substrate and the bottom layer.
Furthermore, the pattern in the pattern layer is any one of an ink printing pattern, a copper template attaching pattern or an electrostatic attaching pattern.
The utility model provides a pair of anti-oxidant gradual colorful lens of angstrom rice and preparation method thereof compares with prior art and has following advantage:
the utility model provides an anti-oxidant progressive colorful lens of angmi, the colorful progressive layer that low refracting index thin layer and high refracting index thin layer that set up gradually through overlap and non-uniform thickness on the substrate come to form for the lens can demonstrate three kinds of colours simultaneously, and the colour that demonstrates is dark at thick regional colour of membrane, and the regional colour that the membrane is thick is shallow, has progressive effect.
Drawings
Fig. 1 shows a schematic diagram of a emm oxidation resistant progressive color lens film layer.
Fig. 2 is a schematic diagram showing a positional relationship between a substrate and an evaporation source.
Fig. 3 shows a schematic of an emm oxidation resistant progressive color lens with a patterned layer.
Detailed Description
The technical solution of the present invention will be further explained with reference to the following examples. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
In the examples, the vacuum coating material L5, the generic name of china "si-al mixture" and "L5" are the generic names of germany, which are available from merck optical corporation, nanyang happy reiter new optical materials limited or suzhou peking vacuum technology limited, and the general specification is 1-3mm in bulk and white.
In the examples, the vacuum coater was supplied by vacuum science and technology, Inc. of Long fly swiftly, and the ion source apparatus was a KRI ion source from Coffman, USA.
The definitions of some terms used in the present invention are given below, and other terms not described have definitions and meanings known in the art.
Substrate: the sheet material can be any one of an acrylic substrate, a polycarbonate substrate, a nylon substrate, a CR-39 substrate or a glass substrate, and can also be a plane lens or a lens with a certain radian.
Outer surface: the outer surface of the utility model is the surface of the lens which directly receives the light source light ray side in the using state.
As shown in fig. 1, the embodiment provides an emm oxidation-resistant progressive colorful lens, which includes a substrate 10 and a film layer 20 disposed on an outer surface of the substrate, wherein the film layer 20 includes a primer layer 21, an oxidation-resistant layer 22, a progressive colorful layer 23 and a protective layer 24, which are sequentially stacked from inside to outside on the outer surface of the substrate 10, the progressive colorful layer 23 includes a plurality of low refractive index thin film layers and high refractive index thin film layers, which are alternately disposed, and the low refractive index thin film layers and the high refractive index thin film layers are both disposed in a non-equal-thickness progressive manner to present a progressive colorful color.
The priming layer of the emm oxidation-resistant progressive colorful lens provided by the embodiment is a first silicon-aluminum mixture layer, and the silicon-aluminum mixture is used as the priming layer, so that the film adhesion, hardness and coating bonding force of subsequent coating films are better. The silicon-aluminum mixture can be SiO2With Al2O3Mixtures of (A) with (B), e.g. Al2O3Accounting for 2-6% of the total weight of the silicon-aluminum mixture, and more preferably Al2O3Accounting for 3-3.5% of the total weight of the silicon-aluminum mixture. The material can be made by self or can adopt a commercial product, such as a vacuum coating material L5, the common name of China is ' silicon-aluminum mixture ', the general name of L5 ' is the common name of Germany, the material can be provided by Merck optical company, Nanyang happy Ruite New optical material company Limited or Suzhou Prin vacuum technology company Limited, and the common specification is 1-3mm of particles and white. The thickness of the first silicon-aluminum mixture layer is 600-1500 angstrom meters.
The oxidation resistant layer of the emm oxidation resistant progressive colorful lens provided by the embodiment is composed of a second selenium layer and a third metal oxide layer. Wherein the second selenium layerThe thickness of (A) is 100 to 300 angstrom. The thickness of the third metal oxide layer is 200-500 angstrom meters, and the third metal oxide layer is ZrO2、Nb2O5、Ti3O5Or Ta2O5Any one of the above.
The gradual colorful layer of the anti-oxidant gradual colorful lens of amesdia that this embodiment provided comprises low refracting index thin layer and the high refracting index thin layer that the multilayer set up in turn, and its thickness is 1500 ~ 7000 amesdia. Wherein the low refractive index thin film layer is SiO2And a coating layer formed of any one of vacuum coating materials L5, wherein the high refractive index thin film layer is TiO2、Ti3O5、ZrO2Or Ta2O5Any one of the above. The utility model provides a low refracting index thin layer in the colorful layer that advances gradually and the membrane thickness of high refracting index thin layer all are inequality, but the inequality is set up gradually, the unequally thick setting of saying here indicates that the membrane thickness of low refracting index thin layer and high refracting index thin layer presents the gradual change toward other regional thickness in certain region of substrate, for example the membrane thickness of colorful layer that advances gradually is followed one side edge of substrate and is followed another border by thick to thin setting, for example the central zone of the thick border of colorful layer that advances of the membrane of colorful layer that advances is followed by thick to thin setting, for example the membrane thickness of colorful layer that advances gradually is followed the middle part region of substrate and is followed by thin to thick setting, consequently, because the thickness on colorful layer that advances gradually is uneven and present gradual colorful colour.
The protective layer of the anti-oxidation progressive colorful lens in the embodiment is a waterproof material layer, and the thickness of the protective layer is 20-260 angstroms. The waterproof material is a conventional waterproof material, which is a commercially available product, such as a waterproof material provided by kodak coating materials ltd, danyang.
The emm oxidation-resistant progressive colorful lens provided by the embodiment can be prepared by the preparation method, and the preparation method comprises the following steps:
s1, cleaning the substrate, and drying after cleaning;
s2, placing the dried substrate on a jig, sending the substrate into a vacuum chamber for vacuumizing, and cleaning the surface of the substrate;
s3, sequentially forming a priming layer, an oxidation resistant layer, a progressive colorful layer and a protective layer from inside to outside on the outer surface of the substrate, wherein the progressive colorful layer is composed of a plurality of high-refractive-index thin film layers and low-refractive-index thin film layers which are alternately arranged, and at least when the progressive colorful layer is formed, the outer surface of the substrate is not perpendicular to the evaporation direction of the film evaporation source, so that the low-refractive-index thin film layers and the high-refractive-index thin film layers which are arranged in unequal thickness are formed on the outer surface of the substrate.
In the preparation method of the emm antioxidant progressive colorful lens provided by the embodiment, the substrate in the step S1 is cleaned by water and then dried, the step is the basis for obtaining a good film coating effect, the baking temperature is preferably 50-65 ℃, and the time is preferably 1-2 hours.
In the method for preparing the emm antioxidant progressive color lens provided by this embodiment, in step S2, the ion source is turned on in the vacuum chamber to clean the surface of the substrate, so as to improve the adhesion of the film.
In the method for preparing the emm anti-oxidation anti-reflection corrosion-resistant lens provided by this embodiment, the vacuum coater used for coating in step S3 is a conventional apparatus, such as a vacuum coater provided by long fly swiftly vacuum science and technology gmbh, and cooperates with KRI ion source apparatus provided by koffman corporation, usa. The key in forming the progressive color lens is to form a low refractive index thin film layer and a high refractive index thin film layer which are arranged in a non-uniform thickness progressive manner on the outer surface of a substrate.
Referring to fig. 2, in the method for manufacturing the anti-oxidation, anti-reflection and corrosion-resistant emm lens provided in this embodiment, in order to realize the low refractive index thin film layer and the high refractive index thin film layer which are arranged in a non-uniform thickness progressive manner, when the low refractive index thin film layer and the high refractive index thin film layer are coated, the outer surface 100 of the substrate 10 is not perpendicular to the evaporation direction (the direction indicated by the arrow in the figure) of the film evaporation source 3, that is, the outer surface 100 of the substrate 10 is not disposed directly opposite to the film evaporation source 3, but is disposed in an inclined manner with. In this embodiment, the evaporation source 3 is placed horizontally, and the evaporation direction is vertical, so the angle α at which the outer surface 100 of the substrate 10 is inclined is the angle between the outer surface 100 of the substrate 10 and the horizontal plane. Because the outer surface 100 of the substrate 10 is obliquely arranged, the film thickness of the evaporation source deposited on the outer surface 100 of the substrate is uneven, and gradually changes from thick to thin from the upper part of the substrate downwards, so that the low refractive index film layer and the high refractive index film layer which are not in equal thickness and are gradually arranged can be formed on the outer surface of the substrate by obliquely arranging the outer surface 100 of the substrate 10, and a key progressive color layer in the progressive color lens is realized.
Preferably, when the substrate is placed in the step S2, the substrate is placed on the jig in an inclined manner, and when the jig is fixed in the vacuum chamber, the outer surface of the substrate and the film evaporation source are arranged in an inclined manner, so that all the films formed on the outer surface of the substrate are arranged in different thicknesses, that is, the priming layer, the oxidation resistant layer, the progressive color layer and the protective layer are sequentially plated in the film plating process, and the placing angle of the outer surface of the substrate does not need to be changed when the progressive color layer is plated, thereby simplifying the process. More preferably, the inclination angle α between the outer surface of the substrate and the evaporation source of the film material is 45 to 90 °, and the thickness of the film layer formed on the outer surface of the substrate has a good gradual effect in the angle range.
On the other hand, the key to coating is the temperature of the vacuum chamber and the rate of particle deposition. Therefore, in the preparation method of this embodiment, the film layer in step S3 is prepared by the following steps:
s31, priming, wherein the priming process is as follows: when the vacuum degree of the vacuum chamber reaches less than or equal to 2.0 x 10-5When the temperature of the vacuum chamber is controlled to be 30-50 ℃, an electron gun is adopted to bombard the membrane material of the first silicon-aluminum mixture layer, the membrane material of the first silicon-aluminum mixture layer is evaporated and then deposited on the outer surface of the substrate in a micron-scale molecular form, and meanwhile, the evaporation rate of the first silicon-aluminum mixture layer is controlled to be
The thickness of the first silicon aluminum mixture layer is 600-1500 angstrom.
S32, forming an anti-oxidation layer, wherein the forming process of a second selenium layer in the anti-oxidation layer is as follows:
s321, when the vacuum degree of the vacuum chamber reaches less than or equal to 2.0 x 10-5When the temperature of the vacuum chamber is controlled to be 30-50 ℃, an electron gun is adopted to bombard the film material of the second selenium layer, selenium is evaporated and then deposited on the outer surface of the substrate in the form of angstrom-scale molecules, and meanwhile, the evaporation rate of the second selenium layer is controlled to be
The thickness of the second selenium layer after final formation was 100-300 a m.
The formation of the third metal oxide layer in the oxidation resistant layer is as follows:
s322, keeping the vacuum degree of the vacuum chamber to be less than or equal to 2.0 x 10-5Torr is adopted, the temperature of the vacuum chamber is kept at 30-50 ℃, an electron gun is adopted to bombard the film material of the third metal oxide layer, the metal oxide is evaporated and then deposited on the outer surface of the substrate in the form of angstrom-scale molecules, and the evaporation rate of the third metal oxide layer is controlled to be
The thickness of the third metal oxide layer after final formation is 200-500 angstroms, and an anti-oxidation layer is formed.
S33, forming the low-refractive-index thin film layer in the progressive color layer in the following process:
s331, keeping the vacuum chamber vacuum degree less than or equal to 2.0 x 10-5Torr is adopted, the temperature of the vacuum chamber is kept at 30-50 ℃, an electron gun is adopted to bombard the film material of the low-refractive-index film layer, the film material of the low-refractive-index film layer is evaporated and then deposited on the outer surface of the substrate in a mode of angstrom-scale molecules, and meanwhile, the evaporation rate of the low-refractive-index film layer is controlled to be
The formation process of the high-refractive-index thin film layer in the progressive colorful layer is as follows:
s332, maintaining the vacuum degree of the vacuum chamber to be less than or equal to 2.0 x 10-5Torr while keeping the temperature of the vacuum chamber at 30-50 ℃, and bombarding high refraction by adopting an electron gunThe film material of the high-refractive-index film layer is evaporated and then deposited on the outer surface of the substrate in an angstrom-scale molecular form, and the evaporation rate of the high-refractive-index film layer is controlled to be
And repeating the steps S331 and SS332 to finally form the progressive colorful layer consisting of a plurality of low-refractive-index thin film layers and high-refractive-index thin film layers which are alternately arranged.
S34, keeping the vacuum chamber vacuum degree less than or equal to 2.0 x 10-5Torr, simultaneously keeping the temperature of a vacuum chamber at 30-50 ℃, adopting a tungsten boat to heat a film material of the protective film layer, depositing the film material of the protective film layer on the outer surface of the substrate in a micron-level molecular form after evaporation, and simultaneously controlling the evaporation rate of the protective film layer to be
The final thickness of the protective film layer after formation is 20-260 angstroms to form a protective layer.
The one-angstrom anti-oxidation progressive colorful lens is prepared according to the preparation method, wherein the thickness of a first silicon-aluminum mixture layer in the bottom layer is 1400 angstrom, the thickness of a second selenium layer in the oxidation resistant layer is 200 angstrom, the thickness of a third metal oxide layer in the oxidation resistant layer is 1500 angstrom, the progressive colorful layer comprises 3 layers, wherein the thickness of a fourth low-refractive-index layer is 920 angstrom, the thickness of a fifth high-refractive-index layer is 1600 angstrom, the thickness of a sixth low-refractive-index film layer is 230 angstrom, and the thickness of a waterproof layer in the protective. The prepared substrate has the gradual colorful color of green-blue-yellow from top to bottom.
The other emma antioxidant progressive colorful lens is prepared according to the preparation method, wherein the thickness of the first silicon-aluminum mixture layer in the bottom layer is 680 emma, the thickness of the second selenium layer in the oxidation resistant layer is 100 emma, the thickness of the third metal oxide layer is 350 emma, the progressive colorful layer comprises 5 layers, the thickness of the fourth low-refractive-index layer is 1900 emma, the thickness of the fifth high-refractive-index layer is 500 emma, the thickness of the sixth low-refractive-index film layer is 1000 emma, the thickness of the seventh high-refractive-index layer is 1100 emma, the thickness of the eighth low-refractive-index layer is 1800 emma, and the thickness of the waterproof layer in the protective layer is 150. The prepared substrate has the progressive color of purple red, yellow and blue from top to bottom.
It should be clear that the thickness of each film layer in the above two kinds of emm oxidation-resistant progressive color lenses is data obtained by measuring the thickest part of the film thickness at the edge above the lens.
As can be seen from the two kinds of angstrom antioxidant progressive colorful lenses prepared by the preparation method provided by the embodiment, the lenses can simultaneously present three colors, and the presented colors are dark in the thick area and light in the thin area, so that the lenses have a progressive effect.
Referring to fig. 3, the emm oxidation-resistant progressive color lens in the embodiment may further include a pattern layer 25 between the outer surface of the substrate 10 and the bottom layer 21, where the pattern layer 25 may be a LOGO, such as LOGO, to meet the market demand for customizing different patterns. Preferably, the pattern in the pattern layer 25 is any one of an ink printed pattern, a copper template attached pattern or an electrostatic paste attached pattern, so that the pattern has a good bonding force with the outer surface of the substrate 10.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an anti-oxidant gradual colorful lens of amesdia, includes the substrate and sets up the rete on the substrate surface, its characterized in that: the film layer comprises a priming layer, an oxidation resistant layer, a gradual colorful layer and a protective layer which are sequentially stacked from inside to outside from the outer surface of the substrate, wherein the gradual colorful layer comprises a plurality of layers of low-refractive-index thin film layers and high-refractive-index thin film layers which are alternately arranged, and the low-refractive-index thin film layers and the high-refractive-index thin film layers are arranged in a non-equal-thickness and gradual mode.
2. The emm-oxidation-resistant progressive multi-color lens of claim 1, wherein: all the film layers on the substrate are arranged in a non-equal-thickness progressive mode.
3. The emm-oxidation-resistant progressive multi-color lens of claim 1, wherein: the bottom layer is a first silicon-aluminum mixture layer, the oxidation resistant layer is composed of a second selenium layer and a third metal oxide layer, and the thickness of the first silicon-aluminum mixture layer is 600-1500 angstroms; the thickness of the second selenium layer is 100-300 angstrom meters; the thickness of the third metal oxide layer is 200-500 angstrom meters; the thickness of the gradual colorful layer is 1500-7000 angstroms meters; the thickness of the protective layer is 20-260 angstroms meters.
4. The emm-oxidation-resistant progressive multi-color lens of claim 3, wherein: the first silicon-aluminum mixture layer is a coating formed by a vacuum coating material L5; the low-refractive-index film layer is a plating layer formed by any one of SiO2 and vacuum coating material L5.
5. The emm-oxidation-resistant progressive multi-color lens of claim 3, wherein: the third metal oxide layer is ZrO2、Nb2O5、Ti3O5Or Ta2O5A plating layer formed of any one of the above; the high-refractive-index film layer is TiO2、Ti3O5、ZrO2Or Ta2O5Any one of the above.
6. The emm-oxidation-resistant progressive multi-color lens of claim 3, wherein: the protective layer is a waterproof material layer.
7. The emm-oxidation-resistant progressive multi-color lens of claim 3, wherein: the thickness of the first silicon-aluminum mixture layer is 1400 angstrom meters, the thickness of the second selenium layer is 200 angstrom meters, the thickness of the third metal oxide layer is 1500 angstrom meters, the thickness of the fourth low-refractive-index layer is 920 angstrom meters, the thickness of the fifth high-refractive-index layer is 1600 angstrom meters, the thickness of the sixth low-refractive-index thin film layer is 230 angstrom meters, the thickness of the protective layer is 150 angstrom meters, and the prepared substrate is green-blue-yellow in progressive color from top to bottom.
8. The emm-oxidation-resistant progressive multi-color lens of claim 3, wherein: the thickness of the first silicon-aluminum mixture layer is 680 angstrom meters, the thickness of the second selenium layer is 100 angstrom meters, the thickness of the third metal oxide layer is 350 angstrom meters, the thickness of the fourth low-refractive-index layer is 1900 angstrom meters, the thickness of the fifth high-refractive-index layer is 500 angstrom meters, the thickness of the sixth low-refractive-index thin film layer is 1000 angstrom meters, the thickness of the seventh high-refractive-index layer is 1100 angstrom meters, the thickness of the eighth low-refractive-index layer is 1800 angstrom meters, the thickness of the protective layer is 150 angstrom meters, and the prepared substrate is purple red-yellow-blue in color gradually from top to bottom.
9. The emm-oxidation-resistant progressive multi-colored lens of any one of claims 1-8, wherein: and a pattern layer is also arranged between the outer surface of the substrate and the bottom layer.
10. The emm-oxidation-resistant progressive multi-color lens of claim 9, wherein: the pattern in the pattern layer is any one of an ink printing pattern, a copper template attaching pattern or an electrostatic attaching pattern.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262079A (en) * | 2019-07-19 | 2019-09-20 | 厦门美澜光电科技有限公司 | A kind of anti-oxidant progressive colorful eyeglass of Ethylmercurichlorendimide and preparation method thereof |
| CN113718197A (en) * | 2021-08-27 | 2021-11-30 | 厦门美澜光电科技有限公司 | Rainbow lens and preparation method thereof |
-
2019
- 2019-07-19 CN CN201921137716.0U patent/CN209946571U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262079A (en) * | 2019-07-19 | 2019-09-20 | 厦门美澜光电科技有限公司 | A kind of anti-oxidant progressive colorful eyeglass of Ethylmercurichlorendimide and preparation method thereof |
| CN113718197A (en) * | 2021-08-27 | 2021-11-30 | 厦门美澜光电科技有限公司 | Rainbow lens and preparation method thereof |
| CN113718197B (en) * | 2021-08-27 | 2023-10-24 | 厦门美澜光电科技有限公司 | Rainbow lens and preparation method thereof |
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