CN217467399U - Colored contact lens based on super surface - Google Patents
Colored contact lens based on super surface Download PDFInfo
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- CN217467399U CN217467399U CN202221258789.7U CN202221258789U CN217467399U CN 217467399 U CN217467399 U CN 217467399U CN 202221258789 U CN202221258789 U CN 202221258789U CN 217467399 U CN217467399 U CN 217467399U
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Abstract
The utility model provides a colored contact lens based on super surface, include: the color developing structure comprises a substrate, a color developing structure and a protective layer; the substrate is a flexible curved surface area and can transmit visible light; the substrate includes: a pupil area and a color pattern area; the pupil region is a flexible curved region located in the center of the substrate; the flexible curved surface area in the substrate except the pupil area is a colorful pattern area; the color development structures are arrayed on the color pattern area and comprise: a plurality of first nanostructures arranged periodically; and the protective layer covers the substrate and is filled among the plurality of first nano structures. Through the utility model provides a colored contact lens based on super surface for colored contact lens based on super surface has but batch production, pattern pixel are many, the high quality, do not fade, the thin better characteristics of oxygen permeability of glasses.
Description
Technical Field
The utility model relates to a super surface application technology field particularly, relates to a colored contact lens based on super surface.
Background
At present, colored contact lenses can bring attractive wearing effect to contact lens wearers on the basis of vision correction and wearing convenience of common contact lenses. But the difficulty of achieving colored contact lenses with a variety of different patterns is significant.
SUMMERY OF THE UTILITY MODEL
To solve the above problems, it is an object of the present invention to provide a super-surface based color contact lens.
In a first aspect, embodiments of the present invention provide a super-surface based color contact lens, comprising: the color developing structure comprises a substrate, a color developing structure and a protective layer;
the substrate is a flexible curved surface area and can transmit visible light;
the substrate includes: a pupil area and a color pattern area; the pupil region is a flexible curved region located in the center of the substrate; the flexible curved surface area in the substrate except the pupil area is a colorful pattern area;
the color development structures are arrayed on the color pattern area and comprise: a plurality of first nanostructures arranged periodically;
the protective layer covers the substrate and is filled among the first nanostructures.
In the solution provided by the first aspect of the embodiments of the present invention, the substrate of the super-surface based color contact lens includes a pupil region and a color pattern region; the pupil region is a flexible curved region located in the center of the substrate; the flexible curved surface area except the pupil area in the substrate is a colorful pattern area; the color development structures are arrayed on the color pattern area and comprise: a plurality of first nanostructures arranged periodically; the protective layer covers the substrate and is filled among the first nano structures, compared with the mode that the colored contact lens with patterns is difficult to realize in the related technology, the colored structure capable of presenting the patterns can be arranged on the flexible curved surface area in an array mode, each first nano structure in the colored structure is a pixel in the patterns, and the colored contact lens with the patterns is realized through a simple mode, so that the colored contact lens based on the super surface has the characteristics of batch production, more pattern pixels, high quality, fastness and better lens thickness and oxygen permeability.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a super-surface based color contact lens according to an embodiment of the present invention;
fig. 2 is a top view of a super-surface based color contact lens provided by an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating an arrangement of super-surfaces used in a super-surface based color contact lens according to an embodiment of the present invention;
fig. 4 illustrates a center wavelength of a reflection spectrum of a first nanostructure using a hollow cylinder-shaped nanopillar according to an embodiment of the present invention.
Icon: 100. a substrate; 102. a protective layer; 104. a color developing structure; 106. an imaging structure; 108. a pupillary region; 110. a color pattern area.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
At present, colored contact lenses can bring attractive wearing effect to contact lens wearers on the basis of vision correction and wearing convenience of common contact lenses. But the difficulty in achieving colored contact lenses with patterns is significant.
Based on this, the following embodiments of the present application propose a super-surface based colored contact lens, the substrate of which comprises a pupil region and a colored pattern region; the pupil region is a flexible curved region located in the center of the substrate; the flexible curved surface area except the pupil area in the substrate is a colorful pattern area; the color development structures are arrayed on the color pattern area and comprise: a plurality of first nanostructures arranged periodically; the protective layer covers the substrate and is filled among the first nanostructures, the color development structures capable of presenting patterns can be arranged in an array mode on the flexible curved surface area, each first nanostructure in the color development structures is a pixel in the patterns, and the colored contact lenses with the patterns are realized through a simple mode, so that the colored contact lenses based on the super-surface have the characteristics of batch production, more pattern pixels, high quality, fastness and better lens thickness and oxygen permeability.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
Examples
Referring to fig. 1, a schematic diagram of a super-surface based colored contact lens and a top view of a super-surface based colored contact lens as shown in fig. 2, the present embodiment provides a super-surface based colored contact lens, comprising: a substrate 100, a color-developing structure 104, and a protective layer 102.
The substrate is a flexible curved surface area and can transmit visible light.
The substrate includes: a pupil region 108 and a color pattern region 110; the pupil region is a flexible curved region located in the center of the substrate; the flexible curved surface area in the substrate except the pupil area is a colorful pattern area.
The color development structures are arrayed on the color pattern area and comprise: a plurality of first nanostructures arranged periodically.
The protective layer covers the substrate and is filled among the first nanostructures.
The substrate may be made of a flexible polymer material commonly used for contact lenses, and will not be described in detail here.
The pupil area is a circular flexible curved surface area; the colorful pattern area is a circular flexible curved surface area.
The protective layer is a protective film plated on the substrate.
The color-developing structure disposed on the substrate is a super-surface.
The first nanostructure adopts a reflective super surface, and the working waveband of the reflective super surface is visible light (380 nanometers (nm) to 760nm), or at least one waveband (the central wavelength of the waveband is lambada c, and the bandwidth is delta lambada) in the visible light. The super-surfaces are arranged in a periodic pattern, see fig. 3 for a schematic of the arrangement of super-surfaces used in a super-surface based colored contact lens.
Wherein each first nanostructure corresponds to an image pixel in the color pattern area. In one embodiment, the first nanostructure is arranged with a period of 200nm to 1500nm, and the first nanostructure is arranged at the center or the vertex of the period; the first nanostructure, alternative materials include, but are not limited to: crystalline silicon, amorphous silicon, titanium oxide, silicon nitride, gallium phosphide, aluminum oxide, hydrogenated amorphous silicon, and the like.
The shape of the first nanostructure includes, but is not limited to: a cylindrical shape, a hollow cylindrical shape, a rectangular parallelepiped shape, and a fin column shape. The first nanostructures of these shapes need to satisfy a single wavelength narrow bandwidth of line type in the reflection spectrum, such as: the sizes of the first nanostructures in the shapes can be respectively matched with the sizes of the red light, the green light and the blue light, so that the reflectivity of the matched first nanostructures at the wavelengths of the red light, the green light and the blue light is respectively more than 80%, the full width at half maximum of the first nanostructures in the shapes is less than 40nm, and the matched first nanostructures have the transmittance and the absorptivity of more than 90% for the visible light in other bands except the red light, the green light and the blue light.
The above description is only an example, and the first nanostructures in these shapes may reflect light with other wavelengths in the visible light band besides red, green and blue light, and are not described herein again.
The color of the light reflected by each of the first nanostructures is consistent with the color to be presented in the color pattern area.
When visible light is incident on each first nanostructure in the color development structures, each first nanostructure reflects light rays of the visible light, the wavelength of which is matched with the size of each first nanostructure, and transmits and/or absorbs other light rays of the visible light except the reflected light rays.
Illustratively, a first nanostructure is provided, which has a period of 600 nm and a height of 750 nm in size, and is a hollow cylindrical nanorod, the cross section of the nanorod is circular ring, the outer ring of the circular ring is made of amorphous silicon, the inner side of the circular ring is made of poly (2-hydroxyethyl methacrylate), the radius of the inner ring is 30 nm to 220 nm, the radius of the outer ring is 90 nm to 280 nm, and each color developing structure has a total of 45 hollow cylindrical nanorods. Referring to the center wavelength of the reflection spectrum of the first nanostructure using the hollow cylindrical shape nanopillars shown in fig. 4, the reflected colors of all the nanopillars are plotted on the CIE chromaticity diagram, so that sRGB having a color gamut volume of 124.5% and Adobe RGB having a color gamut volume of 95% of the first nanostructure using the hollow cylindrical shape nanopillars can be obtained, and the basic pattern display requirements are met. In fig. 4, the abscissa indicates the number one of 45 hollow cylindrical shaped nanopillars as a dimensionless constant; the ordinate refers to the center wavelength of the reflectance spectrum in nanometers.
Further, in order to correct the vision of a user wearing the super-surface based color contact lens, the super-surface based color contact lens proposed in this embodiment may further include: an imaging structure 106.
The imaging structure array is arranged on the pupil area, and the imaging structure comprises: and the second nanostructures are periodically arranged and can transmit visible light.
The imaging structure disposed on the substrate is a super-surface.
The material of the second nanostructure is a visible light transmissive material, and alternative materials include, but are not limited to: titanium oxide, silicon nitride, gallium phosphide, aluminum oxide, hydrogenated amorphous silicon.
Based on the arrangement of the second nanostructure, the modulation phase of the pupil region to incident visible light satisfies:
where θ represents a modulation phase of the pupil region with respect to incident visible light; m represents the wavenumber, (x, y) represents the relative position coordinates of the second nanostructure, k 0 Representing the reciprocal, k, of diopter 1 Is the inverse of the degree of astigmatism.
The relative position coordinates of the second nanostructure are the coordinates of the second nanostructure in the pupillary region.
Diopter and astigmatism are obtained by testing the vision of a user wearing the super-surface based color contact lens.
Through the mode, the imaging structures are arranged on the pupil area in an array mode, and vision correction can be performed on a user wearing the super-surface color contact lens.
In summary, the present embodiment provides a super-surface based color contact lens, wherein a substrate of the super-surface based color contact lens comprises a pupil area and a color pattern area; the pupil area is a flexible curved area located in the center of the substrate; the flexible curved surface area except the pupil area in the substrate is a colorful pattern area; the color development structures are arrayed on the color pattern area and comprise: a plurality of first nanostructures arranged periodically; the protective layer covers the substrate and is filled among the first nano structures, compared with the mode that the colored contact lens with patterns is difficult to realize in the related technology, the colored structure capable of presenting the patterns can be arranged on the flexible curved surface area in an array mode, each first nano structure in the colored structure is a pixel in the patterns, and the colored contact lens with the patterns is realized through a simple mode, so that the colored contact lens based on the super surface has the characteristics of batch production, more pattern pixels, high quality, fastness and better lens thickness and oxygen permeability.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A super-surface based colored contact lens, comprising: the color developing structure comprises a substrate, a color developing structure and a protective layer;
the substrate is a flexible curved surface area and can transmit visible light;
the substrate includes: a pupil area and a color pattern area; the pupil region is a flexible curved region located in the center of the substrate; the flexible curved surface area in the substrate except the pupil area is a colorful pattern area;
the color development structures are arrayed on the color pattern area and comprise: a plurality of first nanostructures arranged periodically;
the protective layer covers the substrate and is filled among the first nanostructures.
2. The super surface based colored contact lens in accordance with claim 1, wherein each of the first nanostructures in the plurality of first nanostructures reflects a color that corresponds to a color that the colored pattern area should exhibit.
3. The super-surface based color contact lens according to claim 2, wherein when visible light is incident on each of the first nanostructures in the color-producing structure, each of the first nanostructures reflects light of the visible light having a wavelength matching a size of each of the first nanostructures and transmits and/or absorbs light of the visible light other than the reflected light.
4. The super surface based colored contact lens of claim 1, wherein the pupil region is a circular flexible curved surface region; the colorful pattern area is a circular flexible curved surface area.
5. The super surface based colored contact lens in accordance with claim 1, wherein the shape of the first nanostructure comprises: a cylindrical shape, a hollow cylindrical shape, a rectangular parallelepiped shape, and a fin column shape.
6. The super surface based colored contact lens of claim 1, further comprising: an imaging structure;
the imaging structure array is arranged on the pupil area, and the imaging structure comprises: and the second nanostructures are periodically arranged and can transmit visible light.
7. The super-surface based colored contact lens of claim 6, wherein the modulation phase of the pupil region for incident visible light based on the arrangement of the second nanostructure satisfies:
where θ represents a modulation phase of the pupil region with respect to incident visible light; m represents the wavenumber, (x, y) represents the relative position coordinates of the second nanostructure, k 0 Representing the reciprocal, k, of diopter 1 Is the inverse of the degree of astigmatism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221258789.7U CN217467399U (en) | 2022-05-24 | 2022-05-24 | Colored contact lens based on super surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221258789.7U CN217467399U (en) | 2022-05-24 | 2022-05-24 | Colored contact lens based on super surface |
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| CN217467399U true CN217467399U (en) | 2022-09-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11927769B2 (en) | 2022-03-31 | 2024-03-12 | Metalenz, Inc. | Polarization sorting metasurface microlens array device |
| US11978752B2 (en) | 2019-07-26 | 2024-05-07 | Metalenz, Inc. | Aperture-metasurface and hybrid refractive-metasurface imaging systems |
| US11988844B2 (en) | 2017-08-31 | 2024-05-21 | Metalenz, Inc. | Transmissive metasurface lens integration |
-
2022
- 2022-05-24 CN CN202221258789.7U patent/CN217467399U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11988844B2 (en) | 2017-08-31 | 2024-05-21 | Metalenz, Inc. | Transmissive metasurface lens integration |
| US11978752B2 (en) | 2019-07-26 | 2024-05-07 | Metalenz, Inc. | Aperture-metasurface and hybrid refractive-metasurface imaging systems |
| US11927769B2 (en) | 2022-03-31 | 2024-03-12 | Metalenz, Inc. | Polarization sorting metasurface microlens array device |
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