CN216013847U - High-definition progressive lens and glasses - Google Patents
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Abstract
The utility model relates to a high-definition progressive lens and spectacles, which comprise a substrate, wherein the surface of the high-definition progressive lens, which is far away from eyes in a wearing state, is defined as the outer surface, the upper side of the eyes is defined as the upper side, the outer surface of the substrate is provided with a progressive high-reflection film layer positioned above and an outer anti-reflection film layer positioned below, the lower edge of the progressive high-reflection film layer is superposed with the upper edge of the outer anti-reflection film layer, the progressive position ratio of the progressive high-reflection film layer is different from the progressive position ratio of the inner anti-reflection film layer, the inner surface of the substrate is provided with an inner anti-reflection film layer, and the inner anti-reflection film layer completely covers the inner surface of the substrate. The lens can reflect most intense light and scattered light, has high transmittance and can improve the definition of object imaging.
Description
Technical Field
The present invention relates to progressive lenses and spectacles, and more particularly to progressive lenses and spectacles with high definition.
Background
The progressive lens is a multi-focal lens, for example, when there are two focal lengths, the two focal lengths can be gradually transited by using a grinding technique in the transition between the upper and lower focal lengths. The existing progressive lens is characterized in that a certain progressive position is set above the lens, a layer of high-refractive-index thin film material is deposited, the lower part of the lens is exposed, and the lower part of the lens is in smooth transition with a thin film layer above the lens, the reflectivity of the lens is about 20 percent, the thin film layer is not deposited below the lens, the light transmittance of the lens is about 92 percent, the definition of restoring a visible object is poor, and the eyes are injured after the lens is used for a long time.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a high-definition progressive lens, in which a progressive high-reflection film layer, an outer anti-reflection film layer, and an inner anti-reflection film layer are respectively disposed on two surfaces of the lens, so that the lens has a high reflectivity above the lens and a high transmittance below the lens, thereby solving the problem of poor definition of the progressive lens.
In order to solve the technical problem, the utility model adopts the following scheme:
a high-definition progressive lens comprises a substrate, wherein one surface of the high-definition progressive lens, which is far away from eyes in a wearing state, is defined as the outer surface, the upper side of the eyes is defined as the upper side, a progressive high-reflection film layer positioned above and an outer anti-reflection film layer positioned below are arranged on the outer surface of the substrate, the lower edge of the progressive high-reflection film layer is superposed with the upper edge of the outer anti-reflection film layer, the progressive position ratio of the progressive high-reflection film layer is different from the progressive position ratio of the outer anti-reflection film layer, an inner anti-reflection film layer is arranged on the inner surface of the substrate, and the inner anti-reflection film layer completely covers the inner surface of the substrate.
Further, the progressive position ratio of the progressive high-reflection film layer is 5.5-6: 4-4.5; the progressive position ratio of the inner anti-reflection film layer to the outer anti-reflection film layer is 5-5.5: 4.5-5.
Further, the progressive high-reflection film layer is composed of 7-11 alternately laminated silica layers and transition metal layers, the inner anti-reflection film layer is composed of 5-9 alternately laminated silica layers and transition metal layers, and the outer anti-reflection film layer is composed of 5-9 alternately laminated silica layers and transition metal layers.
Further, the progressive high-reflection film layer consists of 11 silicon dioxide layers and transition metal layers which are alternately stacked, and sequentially comprises L1, L2, L3, L4, L5, L6, L7, L8, L9, L10 and L11 film layers, wherein the L1 film layer is connected with the outer surface of the substrate, the L1, L3, L5, L7, L9 and L11 film layers are silicon dioxide layers, and the L2, L4, L6, L8 and L10 film layers are transition metal layers; the thickness of the L1 film layer is 800-3000 angstroms, the thickness of the L2, L4, L6, L8 and L10 film layer is 200-1000 angstroms, and the thickness of the L3, L5, L7, L9 and L11 film layer is 300-1500 angstroms.
Further, the inner anti-reflection film layer consists of 7 silicon dioxide layers and transition metal layers which are alternately laminated, and the silicon dioxide layers and the transition metal layers are sequentially an M1 film layer, an M2 film layer, an M3 film layer, an M4 film layer, an M5 film layer, an M6 film layer and an M7 film layer, wherein the M1 film layer is connected with the inner surface of the substrate, and the M1 film layer, the M3 film layer, the M5 film layer and the M7 film layer are silicon dioxide layers; the M2, M4 and M6 film layers are transition metal layers; the thicknesses of the M1, M3, M5 and M7 films are 1100 angstroms, and the thicknesses of the M2, M4 and M6 films are 800 angstroms.
Further, the outer anti-reflection film layer consists of 7 silicon dioxide layers and transition metal layers which are alternately laminated, and the silicon dioxide layers and the transition metal layers are sequentially N1 film layers, N2 film layers, N3 film layers, N4 film layers, N5 film layers, N6 film layers and N7 film layers, wherein the N1 film layers are connected with the outer surface of the substrate, and the N1 film layers, the N3 film layers, the N5 film layers and the N7 film layers are silicon dioxide layers; the N2, N4 and N6 film layers are transition metal layers; the thicknesses of the N1, N3, N5 and N7 films are 1100 angstroms, and the thicknesses of the N2, N4 and N6 films are 800 angstroms.
Further, in the progressive high-reflection thin film layer, the thickness of the L1 film layer is 1000-2500 angstroms, the thickness of the L2, L4, L6, L8 and L10 film layers is 300-800 angstroms, and the thickness of the L3, L5, L7, L9 and L11 film layers is 700-1300 angstroms.
Furthermore, in the inner anti-reflection film layer, the thicknesses of the M1, M3, M5 and M7 film layers are 1000 angstroms and the thicknesses of the M2, M4 and M6 film layers are 600 angstroms and 200 angstroms.
Furthermore, in the outer anti-reflection film layer, the thicknesses of the N1, N3, N5 and N7 film layers are 150-1000 angstroms, and the thicknesses of the N2, N4 and N6 film layers are 250-600 angstroms.
Based on the same inventive concept, the utility model also provides glasses comprising the high-definition progressive lens.
By adopting the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the high-definition progressive lens, the reflection and anti-reflection principles of the optical film are utilized, most of strong light and scattered light are reflected above the lens, the interference of the light source on a line-of-sight object is reduced, the perspective ratio is increased below the lens, and the definition of the visible object is improved.
Drawings
Fig. 1 is a schematic view of a lens structure provided in an embodiment of the utility model.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a high-definition progressive lens includes a substrate 0, a surface of the high-definition progressive lens, which is far away from eyes in a wearing state, is defined as an outer surface, and an upper portion of the eyes is defined as an upper portion, a progressive high-reflection film layer L located above and an outer anti-reflection film layer N located below are disposed on an outer surface of the substrate 0, a lower edge of the progressive high-reflection film layer L coincides with an upper edge of the outer anti-reflection film layer N, a progressive position ratio of the progressive high-reflection film layer L is different from a progressive position ratio of the inner anti-reflection film layer N, an inner anti-reflection film layer M is disposed on an inner surface of the substrate 0, and the inner anti-reflection film layer M completely covers the inner surface of the substrate 0.
Specifically, the progressive high-reflection film layer L comprises an L1 film layer connected with the outer surface of the substrate 0, the L1 film layer is a primer layer, the outer surface of the primer layer is sequentially laminated with L2, L3, L4, L5, L6, L7, L8, L9, L10 and L11 film layers, wherein the L2, L4, L6, L8 and L10 film layers are high-refractive-index film layers; the L3, L5, L7, L9 and L11 film layers are low-refractive-index film layers;
the outer antireflection film layer N comprises an N1 film layer connected with the outer surface of the substrate 0, the surface of the N1 film layer is sequentially laminated with N2, N3, N4, N5, N6 and N7 film layers, wherein the N1, N3, N5 and N7 film layers are low-refractive-index film layers; the N2, N4 and N6 film layers are high-refractive-index film layers;
the inner anti-reflection film layer M comprises an M1 film layer connected with the inner surface of the substrate 0, the surface of the M1 film layer is sequentially laminated with M2, M3, M4, M5, M6 and M7 film layers, wherein the M1, M3, M5 and M7 film layers are low-refractive-index film layers; the M2, M4 and M6 film layers are high-refractive-index film layers.
In a specific embodiment, in the progressive high reflection thin film layer L, the L1 film layer is connected to the outer surface of the substrate, and is a silicon dioxide layer with a thickness of 2400 angstroms. The film layers of L2, L4, L6, L8 and L10 are transition metal layers, preferably a compound H4 of titanium and lanthanum, and the film layers of L2, L4, L6, L8 and L10 are 350 angstroms, 450 angstroms, 600 angstroms, 650 angstroms and 700 angstroms in sequence; the L3, L5, L7, L9 and L11 film layers are silicon dioxide layers, and the thicknesses of the silicon dioxide layers are 700 angstroms, 900 angstroms, 1100 angstroms, 1300 angstroms and 700 angstroms in sequence.
The outer anti-reflection film layer N comprises N1, N2, N3, N4, N5, N6 and N7 film layers which are connected in sequence, wherein the N1 film layer is connected with the inner surface of the substrate 0, and the N1, N3, N5 and N7 film layers are silicon dioxide layers with the thicknesses of 300 angstroms, 350 angstroms, 150 angstroms and 950 angstroms respectively; the N2, N4 and N6 film layers are transition metal layers, preferably the compound H4 of titanium and lanthanum, and the thickness of the N2, N4 and N6 film layers are 250 angstroms, 600 angstroms and 500 angstroms.
The inner anti-reflection film layer comprises M1, M2, M3, M4, M5, M6 and M7 film layers which are sequentially stacked, wherein the M1, the M3, the M5 and the M7 film layers are low-refractive-index film layers and silicon dioxide layers, and the thicknesses of the silicon dioxide layers are 300 angstroms, 350 angstroms, 150 angstroms and 950 angstroms respectively; the M2, M4 and M6 film layers are high-refractive-index thin film layers and transition metal layers, and are preferably titanium and lanthanum compound H4, and the thicknesses of the M2, M4 and M6 film layers are 250 angstroms, 600 angstroms and 500 angstroms respectively.
The lens is prepared by adopting a vacuum ion coating technology, the coating technology adopts the existing mode of coating layer by layer, and it is noted that during preparation, the progressive position ratio of the progressive high-reflection film layer is 6:4, the progressive position ratio of the outer anti-reflection film layer is 5:5, and the formation sequence of the three film layers can be randomly arranged.
The spectrum detection is carried out through a Japanese HITACHI spectrophotometer U-3900H, the average reflectivity of the progressive high-reflection film layer formed at the wavelength of 400-750nm is more than 50%, the average reflectivity of the inner anti-reflection film layer and the outer anti-reflection film layer formed at the wavelength of 400-750nm is less than 1%, the transmittance below the lens is more than or equal to 98%, and the definition of a visible object is well improved.
Example 2:
in this embodiment, a variation is performed on the basis of embodiment 1, where the progressive high-reflection thin film layer L includes 7 silicon dioxide layers and transition metal layers that are alternately stacked, and the film layers are L1, L2, L3, L4, L5, L6, and L7 film layers in this order, the inner anti-reflection thin film layer M includes 7 silicon dioxide layers and transition metal layers that are alternately stacked, and the film layers are M1, M2, M3, M4, M5, M6, and M7 film layers in this order, and the outer anti-reflection thin film layer N includes 7 silicon dioxide layers and transition metal layers that are alternately stacked, and the film layers are N1, N2, N3, N4, N5, N6, and N7 film layers in this order.
In terms of thickness, in the progressive high reflection thin film layer L, the thickness of the L1 film layer is 800-3000 angstroms, the thicknesses of the L2, L4 and L6 film layers are 200-1000 angstroms, and the thicknesses of the L3, L5 and L7 film layers are 300-1500 angstroms. In the inner anti-reflection film layer M, the thicknesses of the M1, M3, M5 and M7 film layers are 1100 angstroms, and the thicknesses of the M2, M4 and M6 film layers are 800 angstroms. In the outer anti-reflection film layer N, the thicknesses of the N1, N3, N5 and N7 film layers are 100-1100 angstroms, and the thicknesses of the N2, N4 and N6 film layers are 100-800 angstroms.
In a specific embodiment, the design can be as follows: the thickness of the L1 film layer is 2000 angstroms, the thickness of the L2, L4 and L6 film layers are 300 angstroms, 400 angstroms and 900 angstroms respectively, and the thickness of the L3, L5 and L7 film layers are 300 angstroms, 450 angstroms and 1200 angstroms respectively. The thicknesses of the M1, M3, M5 and M7 film layers are respectively 200 angstroms, 300 angstroms, 350 angstroms and 900 angstroms, and the thicknesses of the M2, M4 and M6 film layers are respectively 200 angstroms, 400 angstroms and 600 angstroms. The thicknesses of the N1, N3, N5 and N7 film layers are respectively 150 angstroms, 260 angstroms, 500 angstroms and 800 angstroms, and the thicknesses of the N2, N4 and N6 film layers are respectively 230 angstroms, 400 angstroms and 700 angstroms.
Example 3:
in this embodiment, a change is made on the basis of embodiment 1, the progressive high-reflection thin film layer L includes 9 silicon dioxide layers and transition metal layers which are alternately stacked, and the film layers include L1, L2, L3, L4, L5, L6, L7, L8, and L9 in this order, the inner anti-reflection thin film layer M includes 5 silicon dioxide layers and transition metal layers which are alternately stacked, and includes M1, M2, M3, M4, and M5 in this order, and the outer anti-reflection thin film layer N includes 5 silicon dioxide layers and transition metal layers which are alternately stacked, and includes N1, N2, N3, N4, and N5 in this order.
In terms of thickness, in the progressive high-reflection thin film layer L, the thickness of the L1 film layer is 800-. In the inner anti-reflection film layer M, the thicknesses of the M1, M3 and M5 film layers are 1100 angstroms, and the thicknesses of the M2 and M4 film layers are 800 angstroms. In the outer anti-reflection film layer N, the thicknesses of the N1, N3 and N5 film layers are 1100 angstroms, and the thicknesses of the N2 and N4 film layers are 800 angstroms.
Example 4:
in this embodiment, a variation is performed on the basis of embodiment 1, where the progressive high-reflection thin film layer L includes 5 silicon dioxide layers and 5 transition metal layers stacked alternately, and the film layers are L1, L2, L3, L4, and L5 in this order, the inner anti-reflection thin film layer M includes 5 silicon dioxide layers and 5 transition metal layers stacked alternately, and the film layers are M1, M2, M3, M4, and M5 in this order, and the outer anti-reflection thin film layer N includes 5 silicon dioxide layers and 5 transition metal layers stacked alternately, and the film layers are N1, N2, N3, N4, and N5 in this order.
In terms of thickness, in the progressive high-reflection thin film layer L, the thickness of the L1 film layer is 800-. In the inner anti-reflection film layer M, the thicknesses of the M1, M3 and M5 film layers are 1100 angstroms, and the thicknesses of the M2 and M4 film layers are 800 angstroms. In the outer anti-reflection film layer N, the thicknesses of the N1, N3 and N5 film layers are 1100 angstroms, and the thicknesses of the N2 and N4 film layers are 800 angstroms.
Example 5:
in this embodiment, a variation is performed on the basis of embodiment 1, in the progressive high reflection thin film layer, the L1 film layer is connected to the outer surface of the substrate, and is a vacuum coating material L5 with a thickness of 3000 angstroms. The film layers of L2, L4, L6, L8 and L10 are H4 of a titanium and lanthanum compound, and the film layers of L2, L4, L6, L8 and L10 are 450 angstroms, 550 angstroms, 650 angstroms, 700 angstroms and 800 angstroms in sequence; the film layers of L3, L5, L7, L9 and L11 are vacuum coating material L5, and the thicknesses are 800 angstroms, 1000 angstroms, 1200 angstroms, 1400 angstroms and 800 angstroms in sequence.
The outer anti-reflection film layer comprises N1, N2, N3, N4, N5, N6 and N7 film layers which are connected in sequence, wherein the N1 film layer is connected with the inner surface of the substrate, and the N1, N3, N5 and N7 film layers are silicon dioxide layers with the thicknesses of 350 angstroms, 390 angstroms, 250 angstroms and 900 angstroms respectively; the N2, N4 and N6 films are H4 of titanium and lanthanum compound, and the thicknesses of the N2, N4 and N6 films are 300 angstroms, 550 angstroms and 600 angstroms.
The inner anti-reflection film layer comprises M1, M2, M3, M4, M5, M6 and M7 film layers which are sequentially stacked, wherein the M1, the M3, the M5 and the M7 film layers are low-refractive-index film layers and are vacuum coating materials L5, and the thicknesses of the vacuum coating materials L5 are 350 angstroms, 390 angstroms, 250 angstroms and 900 angstroms respectively; the M2, M4 and M6 film layers are high-refractive-index thin film layers and are titanium and lanthanum compounds H4, and the thickness of the M2, M4 and M6 film layers is 300 angstroms, 550 angstroms and 600 angstroms respectively.
The lens is prepared by adopting a vacuum ion coating technology, the coating technology adopts the existing mode of coating layer by layer, and it is noted that during preparation, the progressive position ratio of the progressive high-reflection film layer is 5.5:4.5, the progressive position ratio of the outer anti-reflection film layer is 5:5, and the formation sequence of the three film layers can be randomly arranged, so that the high-definition progressive lens is obtained.
Through spectrum detection, in the high-definition progressive lens, the average reflectivity of the progressive high-reflection film layer at the wavelength of 400-750nm is more than 50%, and the average reflectivity of the inner anti-reflection film layer and the outer anti-reflection film layer at the wavelength of 400-750nm is less than 1%.
Example 6:
this embodiment is modified from embodiment 1 in that, in the progressive high reflection film layer, the L1 film layer is connected to the outer surface of the substrate, and is a silicon dioxide layer with a thickness of 1000 angstroms. The film layers of L2, L4, L6, L8 and L10 are H4 of a titanium and lanthanum compound, and the film layers of L2, L4, L6, L8 and L10 are 450 angstroms, 550 angstroms, 700 angstroms, 850 angstroms and 900 angstroms in sequence; the L3, L5, L7, L9 and L11 film layers are silicon dioxide layers, and the thicknesses of the silicon dioxide layers are 600 angstroms, 700 angstroms, 800 angstroms, 1000 angstroms and 1100 angstroms in sequence.
The outer anti-reflection film layer comprises N1, N2, N3, N4, N5, N6 and N7 film layers which are connected in sequence, wherein the N1 film layer is connected with the inner surface of the substrate, and the N1, N3, N5 and N7 film layers are silicon dioxide layers with the thicknesses of 200 angstroms, 300 angstroms, 350 angstroms and 850 angstroms respectively; the N2, N4 and N6 films are H4 of titanium and lanthanum compound, and the thicknesses of the N2, N4 and N6 films are 150 angstroms, 450 angstroms and 700 angstroms.
The inner anti-reflection film layer comprises M1, M2, M3, M4, M5, M6 and M7 film layers which are sequentially stacked, wherein the M1, the M3, the M5 and the M7 film layers are low-refractive-index film layers and silicon dioxide layers, and the thicknesses of the silicon dioxide layers are 200 angstroms, 300 angstroms, 350 angstroms and 850 angstroms respectively; the M2, M4 and M6 film layers are high-refractive-index thin film layers and are titanium and lanthanum compounds H4, and the thickness of the M2, M4 and M6 film layers is 150 angstroms, 450 angstroms and 700 angstroms respectively.
The lens is prepared by adopting a vacuum ion coating technology, the coating technology adopts the existing mode of coating layer by layer, and it is noted that during preparation, the progressive position ratio of the progressive high-reflection film layer is 6:4, the progressive position ratio of the outer anti-reflection film layer is 5.5:4.5, and the formation sequence of the three film layers can be randomly arranged, so that the high-definition progressive lens is obtained.
Through spectrum detection, in the high-definition progressive lens, the average reflectivity of the progressive high-reflection film layer at the wavelength of 400-750nm is more than 50%, and the average reflectivity of the inner anti-reflection film layer and the outer anti-reflection film layer at the wavelength of 400-750nm is less than 1%.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (10)
1. A high definition progressive lens, comprising: the progressive lens comprises a substrate, wherein one surface of the progressive lens, which is far away from eyes in a wearing state, is defined as the outside, the upper part of the eye is defined as the upper part, the outer surface of the substrate is provided with a progressive high-reflection film layer positioned above and an outer anti-reflection film layer positioned below, the lower edge of the progressive high-reflection film layer is superposed with the upper edge of the outer anti-reflection film layer, the progressive position ratio of the progressive high-reflection film layer is different from the progressive position ratio of the outer anti-reflection film layer, the inner surface of the substrate is provided with an inner anti-reflection film layer, and the inner anti-reflection film layer completely covers the inner surface of the substrate.
2. The high definition progressive lens of claim 1 wherein: the progressive position ratio of the progressive high-reflection film layer is 5.5-6: 4-4.5; the progressive position ratio of the inner anti-reflection film layer to the outer anti-reflection film layer is 5-5.5: 4.5-5.
3. The high definition progressive lens of claim 1 wherein: the progressive high-reflection film layer is composed of 7-11 alternately laminated silicon dioxide layers and transition metal layers, the inner anti-reflection film layer is composed of 5-9 alternately laminated silicon dioxide layers and transition metal layers, and the outer anti-reflection film layer is composed of 5-9 alternately laminated silicon dioxide layers and transition metal layers.
4. The high definition progressive lens of claim 3, wherein: the progressive high-reflection film layer consists of 11 silicon dioxide layers and transition metal layers which are alternately stacked, and sequentially comprises L1, L2, L3, L4, L5, L6, L7, L8, L9, L10 and L11 film layers, wherein the L1 film layer is connected with the outer surface of the substrate, the L1, L3, L5, L7, L9 and L11 film layers are silicon dioxide layers, and the L2, L4, L6, L8 and L10 film layers are transition metal layers; the thickness of the L1 film layer is 800-3000 angstroms, the thickness of the L2, L4, L6, L8 and L10 film layer is 200-1000 angstroms, and the thickness of the L3, L5, L7, L9 and L11 film layer is 300-1500 angstroms.
5. The high definition progressive lens of claim 3, wherein: the inner anti-reflection film layer consists of 7 silicon dioxide layers and transition metal layers which are alternately laminated, and the silicon dioxide layers and the transition metal layers are sequentially an M1 film layer, an M2 film layer, an M3 film layer, an M4 film layer, an M5 film layer, an M6 film layer and an M7 film layer, wherein the M1 film layer is connected with the inner surface of the substrate, and the M1 film layer, the M3 film layer, the M5 film layer and the M7 film layer are silicon dioxide layers; the M2, M4 and M6 film layers are transition metal layers; the thicknesses of the M1, M3, M5 and M7 films are 1100 angstroms, and the thicknesses of the M2, M4 and M6 films are 800 angstroms.
6. The high definition progressive lens of claim 3, wherein: the outer anti-reflection film layer consists of 7 silicon dioxide layers and transition metal layers which are alternately laminated, and the silicon dioxide layers and the transition metal layers are sequentially N1, N2, N3, N4, N5, N6 and N7 film layers, wherein the N1 film layer is connected with the outer surface of the substrate, and the N1, N3, N5 and N7 film layers are silicon dioxide layers; the N2, N4 and N6 film layers are transition metal layers; the thicknesses of the N1, N3, N5 and N7 films are 1100 angstroms, and the thicknesses of the N2, N4 and N6 films are 800 angstroms.
7. The high definition progressive lens of claim 4, wherein: in the progressive high-reflection film layer, the thickness of the L1 film layer is 2500 angstroms (1000-), the thickness of the L2, the L4, the L6, the L8 and the L10 film layer is 800 angstroms (300-), and the thickness of the L3, the L5, the L7, the L9 and the L11 film layer is 1300 angstroms (700-).
8. The high definition progressive lens of claim 5, wherein: in the inner anti-reflection film layer, the thickness of the M1, M3, M5 and M7 film layers is 1000 angstroms, and the thickness of the M2, M4 and M6 film layers is 600 angstroms.
9. The high definition progressive lens of claim 6, wherein: in the outer anti-reflection film layer, the thicknesses of the N1, N3, N5 and N7 film layers are 150-1000 angstroms, and the thicknesses of the N2, N4 and N6 film layers are 250-600 angstroms.
10. Spectacles comprising a high definition progressive addition lens as claimed in any one of claims 1 to 9.
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| CN113467101A (en) * | 2021-07-28 | 2021-10-01 | 厦门美澜光电科技有限公司 | Double progressive lens and preparation method thereof |
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