CN113934018B - High-definition color-changing spectacle lens and forming method thereof - Google Patents
High-definition color-changing spectacle lens and forming method thereof Download PDFInfo
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- CN113934018B CN113934018B CN202111187974.1A CN202111187974A CN113934018B CN 113934018 B CN113934018 B CN 113934018B CN 202111187974 A CN202111187974 A CN 202111187974A CN 113934018 B CN113934018 B CN 113934018B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000011347 resin Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 239000002981 blocking agent Substances 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 14
- ZLWLTDZLUVBSRJ-UHFFFAOYSA-K chembl2360149 Chemical compound [Na+].[Na+].[Na+].O=C1C(N=NC=2C=CC(=CC=2)S([O-])(=O)=O)=C(C(=O)[O-])NN1C1=CC=C(S([O-])(=O)=O)C=C1 ZLWLTDZLUVBSRJ-UHFFFAOYSA-K 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 9
- 239000004417 polycarbonate Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 8
- 229920000515 polycarbonate Polymers 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000011521 glass Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/102—Photochromic filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/0048—Moulds for lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00932—Combined cutting and grinding thereof
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/108—Colouring materials
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Optical Filters (AREA)
Abstract
The application discloses a high-definition color-changing spectacle lens, which comprises a lens substrate, wherein the lens substrate is prepared from a resin material and an ultraviolet blocking agent; the outer surface of the lens substrate is sequentially provided with a photosensitive color-changing membrane and a filtering membrane from inside to outside, the filtering membrane is used for transmitting ultraviolet light and filtering stray light, and the photosensitive color-changing membrane can change color under the irradiation of the ultraviolet light or visible light. The application also discloses a molding method of the high-definition color-changing spectacle lens. The application can produce color-changing effect, has long service life, can block ultraviolet rays, and further can filter yellow light, green light and prominent blue light, thereby achieving high-definition effect.
Description
Technical Field
The application relates to the technical field of glasses, in particular to a high-definition color-changing glasses lens and a molding method thereof.
Background
The glasses are simple optical devices manufactured by correcting eyesight or protecting eyes, generally comprise lenses, glasses frames and glasses legs, the lenses are made of PC (polycarbonate), the lenses do not have photosensitive color-changing effects, and in consideration of the fact that the lenses are used in a strong and glaring sun environment, in order to enable the lenses to achieve the photosensitive color-changing sun-shading anti-glaring effect, corresponding color-changing measures are needed, and a layer of photosensitive color-changing material is added. The traditional color-changing lenses are mostly manufactured by directly spraying a layer of photosensitive color-changing material coating on the outer side surface of the lenses. Because the color-changing material coating is directly sprayed on the outer side panel of the lens, the lens can fall off and lose efficacy quickly after being subjected to sun-drying and rain-spraying, and the service life is short.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the application is to provide a high-definition color-changing spectacle lens which can generate a color-changing effect, has long service life, can block ultraviolet rays, and further can filter yellow light, green light and prominent blue light, thereby achieving the high-definition effect.
The second object of the present application is to provide a method for molding a high-definition color-changing spectacle lens.
The application adopts the following technical scheme:
the first aspect of the application provides a high-definition color-changing spectacle lens, comprising a lens substrate, wherein the lens substrate is prepared from a resin material and an ultraviolet blocking agent; the outer surface of the lens substrate is sequentially provided with a photosensitive color-changing membrane and a filtering membrane from inside to outside, the filtering membrane is used for transmitting ultraviolet light and filtering stray light, and the photosensitive color-changing membrane can change color under the irradiation of the ultraviolet light or visible light.
In a first aspect of the present application, as an optional embodiment, the lens substrate is prepared from the following raw materials in parts by weight: 99-99.9 parts of resin material and 0.1-1 part of ultraviolet blocking agent.
In a first aspect of the present application, as an alternative embodiment, the photochromic film sheet and the filtering film sheet are glued by an optical cement.
In the first aspect of the present application, as an alternative embodiment, the resin material is selected from one of polycarbonate, polymethyl methacrylate, a blend of polycarbonate and polymethyl methacrylate.
In a first aspect of the present application, as an alternative embodiment, the ultraviolet blocking agent is polyvinyl alcohol.
In a first aspect of the present application, as an alternative embodiment, the photochromic patch comprises a photochromic patch substrate and a photochromic material printed or sprayed on the photochromic patch substrate.
In the first aspect of the present application, as an optional embodiment, the filter membrane includes a first filter membrane and a second filter membrane; the first light filtering membrane can transmit ultraviolet light and filter yellow light, the second light filtering membrane can transmit ultraviolet light and filter green light, the inner surface of the second light filtering membrane is attached to the outer surface of the photochromic membrane, and the outer surface of the second light filtering membrane is attached to the inner surface of the first light filtering membrane.
The second aspect of the present application provides a method for molding a high-definition color-changing spectacle lens, comprising:
the preparation method of the composite membrane comprises the following steps: attaching the photochromic film and the filter film, cutting the required size, and performing hot press molding to obtain a composite film with a spherical shape or an arc curved shape;
the preparation steps of the lens base material are as follows: uniformly mixing a resin material and an ultraviolet blocking agent according to a preset proportion to obtain a resin mixture;
injection molding: firstly, placing the composite membrane into a cavity of a forming die for fixing, injecting the molten resin mixture into the cavity of the forming die, combining the molten resin mixture together, and solidifying and forming to obtain a finished product.
In a second aspect of the present application, as an optional embodiment, in the preparation step, the photochromic film and the filter film are bonded by an optical adhesive, and heat-baked to fix.
In a second aspect of the present application, as an optional embodiment, in the injection molding step, the molding die includes:
the lower die comprises a lower die body and a first convex edge which extends outwards along the periphery of the upper part of the lower die body, wherein the lower die body is provided with a limiting concave cavity which is opened upwards, the limiting concave cavity is formed by enclosing a side wall and a bottom wall, the side wall forms an annular limiting part, and the bottom wall is a downward concave spherical surface or an arc curved surface;
the upper die comprises an upper die body and a second convex edge which extends outwards along the periphery of the lower part of the upper die body, the upper die body is provided with a convex part matched with a limit concave cavity, the convex part is matched with the limit concave cavity to define a cavity, the lower surface of the convex part is a spherical surface or an arc curved surface which is downwards convex, and the lower surface of the convex part is matched with the bottom wall of the limit concave cavity; the second convex edge is also provided with a glue injection channel communicated with the cavity;
the composite membrane is placed into a limit concave cavity of a forming die for fixing.
Compared with the prior art, the application has the beneficial effects that: the lens base material of the high-definition color-changing spectacle lens is prepared from a resin material and an ultraviolet blocking agent; the outer surface of the lens substrate is sequentially provided with a photosensitive color-changing membrane and a light-filtering membrane from inside to outside, the light-filtering membrane is used for transmitting ultraviolet light and filtering stray light, the photosensitive color-changing membrane can change color under the irradiation of the ultraviolet light or visible light, and the photosensitive color-changing membrane is arranged between the lens substrate and the light-filtering membrane, so that the photosensitive color-changing material is isolated from air, the problems that the photosensitive color-changing material is easy to age and the service life is reduced due to contact with the air are avoided, and the lens substrate contains an ultraviolet blocking agent and can block ultraviolet rays; therefore, the eyeglass lens provided by the application can generate a color-changing effect, and has long service life, and further, the optical filter membrane comprises a first optical filter membrane and a second optical filter membrane; the first filter membrane can transmit ultraviolet light and filter yellow light, the second filter membrane can transmit ultraviolet light and filter green light, so that light rays are refracted stepwise, yellow light, green light and blue light can be filtered, and a high-definition effect is achieved.
Drawings
Fig. 1 is a perspective view of a high definition color changing spectacle lens according to an embodiment of the present application;
FIG. 2 is a partial cross-sectional view of a high definition color shifting ophthalmic lens according to an embodiment of the present application;
FIG. 3 is a perspective view of another high definition color changing eyeglass lens according to an embodiment of the present application;
FIG. 4 is a partial cross-sectional view of another high definition color shifting ophthalmic lens according to an embodiment of the present application;
FIG. 5 is a schematic view of the lower die according to an embodiment of the present application;
FIG. 6 is a schematic diagram of the upper die according to an embodiment of the present application;
fig. 7 is a partial cross-sectional view of a molding die according to an embodiment of the present application.
In the figure:
10. a lower die; 11. a lower die body; 12. a first flange; 121. a first through hole; 122. a first lug; 123. a first grip portion; 124. a first positioning hole; 13. limiting the concave cavity; 131. a sidewall; 132. a bottom wall;
20. an upper die; 21. an upper die body; 22. a second flange; 221. a second through hole; 222. a second lug; 223. a second grip portion; 224. a second positioning hole; 23. a convex portion; 24. a glue injection channel; 241. an arc-shaped groove; 242. a glue injection hole;
30. spectacle lenses; 31. a lens substrate; 32. a photosensitive color-changing membrane; 33. a filter membrane; 331. a first filter film; 332. and a second filter film.
Detailed Description
The present application will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments. Materials and equipment used in this example are commercially available, except as specifically noted. Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.
In the description of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or may be connected through an intermediary, or may be connected between two elements or may be an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Referring to fig. 1-2, a first embodiment provides a high-definition color-changing spectacle lens, wherein the spectacle lens 30 includes a lens substrate 31, and the lens substrate 31 is made of a resin material and an ultraviolet blocking agent; the outer surface of the lens substrate 31 is provided with a photochromic film 32 and a filtering film 33 in sequence from inside to outside, the filtering film is used for transmitting ultraviolet light and filtering stray light, and the photochromic film 32 can change color under the irradiation of ultraviolet light or visible light.
On the basis of the above structure, the photochromic film 32 is disposed between the lens substrate 31 and the filter film, so that the photochromic material is isolated from air, and the problems of easy aging and reduced service life caused by contact of the photochromic material with air are avoided, and the lens substrate 31 contains an ultraviolet blocking agent, so that ultraviolet rays can be blocked.
In a preferred embodiment of the present application, the lens substrate 31 is prepared from the following raw materials in parts by weight: 99-99.9 parts of resin material and 0.1-1 part of ultraviolet blocking agent. Preferably, the lens substrate 31 is prepared from the following raw materials in parts by weight: 99.8 parts of resin material and 0.2 part of ultraviolet blocking agent. Wherein the resin material is selected from commercially available products, for example, the resin material is selected from one of polycarbonate, polymethyl methacrylate, and a blend of polycarbonate and polymethyl methacrylate. The resin material is selected from commercially available products, for example, the ultraviolet blocking agent is polyvinyl alcohol.
In the preferred embodiment of the present application, the photochromic film sheet 32 and the filter film sheet are glued by an optical cement. Specifically, after the photochromic film 32 and the filter film are glued by the optical cement, a heat baking and shaping process is also required.
In a preferred embodiment of the present application, the photochromic patch 32 comprises a photochromic patch substrate and a photochromic material printed or sprayed on the photochromic patch substrate, such as: photosensitive ink. The photochromic film is disposed on the outer surface of the lens substrate 31, which outer surface is in contact with the filter film. The photochromic film 32 is arranged between the lens substrate 31 and the optical filter film, so that the photochromic material is isolated from air, and the problems that the photochromic material is easy to age and the service life is reduced due to contact with air are avoided.
The film substrate in the photochromic film 32 may be implemented using a variety of different sheets, for example, the film substrate may be a PET film, a PC film, or other sheets that may be printed or sprayed with a photochromic material in the prior art.
In the preferred embodiment of the present application, referring to fig. 3-4, the filter film 33 includes a first filter film 331 and a second filter film 332; the first filter film 331 is capable of transmitting ultraviolet light and filtering yellow light, the second filter film 332 is capable of transmitting ultraviolet light and filtering green light, the inner surface of the second filter film 332 is attached to the outer surface of the photochromic film, and the outer surface of the second filter film 332 is attached to the inner surface of the first filter film 331. Therefore, the light passes through the first filter membrane 331 to transmit ultraviolet light and filter yellow light, and then passes through the second filter membrane to transmit ultraviolet light and filter green light, so that the light can filter yellow light, green light and highlight blue light through stepwise refraction, and a high-definition effect is achieved. Specifically, the first filter film 331 and the second filter film 332 may be commercially available products.
Example two
The second embodiment is an improvement based on the first embodiment.
An embodiment II provides a method for forming a high-definition color-changing spectacle lens, which comprises the following steps:
the preparation method of the composite membrane comprises the following steps: attaching the photochromic film and the filter film, cutting the required size, and performing hot press molding to obtain a composite film with a spherical shape or an arc curved shape;
the preparation steps of the lens base material are as follows: uniformly mixing a resin material and an ultraviolet blocking agent according to a preset proportion to obtain a resin mixture;
injection molding: firstly, placing the composite membrane into a cavity of a forming die for fixing, injecting the molten resin mixture into the cavity of the forming die, combining the molten resin mixture together, and solidifying and forming to obtain a finished product.
In the second embodiment, as a preferred embodiment, in the preparation step, the photochromic film and the optical filter film are bonded by an optical adhesive, and are subjected to heat drying and shaping. Therefore, the photochromic film and the filter film can be firmly attached together, and the subsequent injection molding is facilitated.
In the second embodiment, as shown in fig. 5-7, in the injection molding step, the molding mold includes a lower mold 10 and an upper mold 20;
specifically, referring to fig. 5, the lower die 10 includes a lower die body 11 and a first flange 12 extending outward along an upper periphery of the lower die body 11, the lower die body 11 has a limiting cavity 13 opened upward, the limiting cavity 13 is surrounded by a side wall 131 and a bottom wall 132, the side wall 131 forms an annular limiting portion, and the bottom wall 132 is a concave spherical surface or a circular arc curved surface;
specifically, referring to fig. 6, the upper die 20 includes an upper die body 21 and a second protruding edge 22 extending outwards along the lower periphery of the upper die body 21, the upper die body 21 has a protruding portion 23 that is matched with the limiting cavity 13, the protruding portion 23 and the limiting cavity 13 are matched to define a cavity, the lower surface of the protruding portion 23 is a spherical surface or an arc curved surface protruding downwards, and the lower surface of the protruding portion 23 is matched with the bottom wall 132 of the limiting cavity 13; the second flange 22 is also provided with a glue injection channel 24 which is communicated with the cavity.
On the basis of the structure, in the actual injection molding process, the composite membrane is firstly placed into the limit concave cavity 13 of the lower die for fixing, after die assembly, the molten resin mixture is injected into the cavity of the molding die through the glue injection channel 24 of the upper die, and the molten resin mixture and the composite membrane are combined together to obtain a finished product after solidification molding. The composite membrane is placed into a limit concave cavity 13 of the lower die and is fixed through a limit part. Therefore, the application can integrally mold the lens substrate 31 and the composite membrane, ensures that the composite membrane cannot deviate in the injection molding process, improves the product quality, and has the characteristic of high processing efficiency. Further, the second flange 22 is further provided with a glue injection channel 24 communicated with the cavity, and the stress concentration at the position of the welding line is reduced to a certain extent by arranging the glue injection channel 24 on the second flange 22 at the periphery of the cavity, so that the product quality is further improved.
In the preferred embodiment of the present application, the glue injection channel 24 includes an arc-shaped slot 241 disposed on the bottom surface of the second flange 22 and a glue injection hole 242 communicating with the arc-shaped slot 241, wherein the glue inlet of the glue injection hole 242 penetrates the top surface of the second flange 22, and the arc-shaped slot 241 communicates with the cavity. By the design, the welding line is positioned at the edge of the lens, so that stress concentration is reduced, and the product quality is further improved.
In the preferred embodiment of the present application, the first flange 12 is detachably connected to the second flange 22. The detachable connection means includes a snap connection, a plug connection, or other detachable connection means. Preferably, the first flange 12 is provided with a plurality of first through holes 121, and the second flange 22 is provided with a second through hole 221 corresponding to each first through hole 121, and the corresponding first through holes 121 and second through holes 221 are locked by bolts. In this way, the first flange 12 and the second flange 22 are convenient to disassemble and assemble. More preferably, the number of the first through holes 121, the second through holes 221 and the bolts is four, the four first through holes 121 are symmetrically arranged on the first convex edge 12, and the four second through holes 221 are symmetrically arranged on the second convex edge 22. Thus, the connection can be ensured to be more stable.
In the preferred embodiment of the present application, the first flange 12 is provided with a first lug 122 extending outwardly therefrom, and the second flange 22 is provided with a second lug 222 extending outwardly therefrom, and the first lug 122 and the second lug 222 are engaged with each other. Preferably, the second ledge 222 is disposed on a side of the second ledge 22 adjacent the second arcuate recess. In this manner, the upper and lower dies are conveniently separated by uncovering either the first tab 122 or the second tab 222.
In the preferred embodiment of the present application, the first flange 12 is provided with a first holding portion 123 extending outwards, and the second flange 22 is provided with a second holding portion 223 extending outwards, and the first holding portion 123 and the second holding portion 223 are detachably connected. Preferably, the first grip 123 and the second grip 223 are connected by a snap-fit connection. Thus, the utility model is convenient to hold.
In the preferred embodiment of the present application, the first holding portion 123 is provided with a first positioning hole 124, and the second holding portion 223 is provided with a second positioning hole 224 corresponding to the first positioning hole 124. In this way, the first grip portion 123 and the second grip portion 223 are conveniently positioned.
Although only certain features and embodiments of the application have been illustrated and described, many modifications and changes may occur to those skilled in the art without departing substantially from the scope and spirit of the application as defined in the appended claims, for example: variations in the size, dimensions, structure, shape and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.
The foregoing embodiments are merely preferred embodiments of the present application, and are not intended to limit the scope of the embodiments of the present application, so that any insubstantial changes and substitutions made by those skilled in the art on the basis of the embodiments of the present application fall within the scope of the embodiments of the present application.
Claims (4)
1. The high-definition color-changing spectacle lens comprises a lens substrate, and is characterized in that the lens substrate is prepared from a resin material and an ultraviolet blocking agent; the outer surface of the lens base material is sequentially provided with a photosensitive color-changing membrane and a filtering membrane from inside to outside, the filtering membrane is used for transmitting ultraviolet light and filtering stray light, and the photosensitive color-changing membrane can change color under the irradiation of the ultraviolet light or visible light;
99-99.9 parts of resin material and 0.1-1 part of ultraviolet blocking agent;
the photochromic membrane and the optical filter membrane are glued by optical cement;
the optical filter membrane comprises a first optical filter membrane and a second optical filter membrane; the first filter membrane can transmit ultraviolet light and filter yellow light, the second filter membrane can transmit ultraviolet light and filter green light, the inner surface of the second filter membrane is attached to the outer surface of the photosensitive color-changing membrane, and the outer surface of the second filter membrane is attached to the inner surface of the first filter membrane;
the molding method of the high-definition color-changing spectacle lens comprises the following steps:
the preparation method of the composite membrane comprises the following steps: attaching the photochromic film and the filter film, cutting the required size, and performing hot press molding to obtain a composite film with a spherical shape or an arc curved shape;
the preparation steps of the lens base material are as follows: uniformly mixing a resin material and an ultraviolet blocking agent according to a preset proportion to obtain a resin mixture;
injection molding: firstly, placing a composite membrane into a cavity of a forming die for fixing, injecting a molten resin mixture into the cavity of the forming die, combining the molten resin mixture together, and solidifying and forming to obtain a finished product;
bonding the photosensitive color-changing film and the filter film through optical cement, and performing heat drying shaping;
in the injection molding step, the molding die includes:
the lower die comprises a lower die body and a first convex edge which extends outwards along the periphery of the upper part of the lower die body, wherein the lower die body is provided with a limiting concave cavity which is opened upwards, the limiting concave cavity is formed by enclosing a side wall and a bottom wall, the side wall forms an annular limiting part, and the bottom wall is a downward concave spherical surface or an arc curved surface;
the upper die comprises an upper die body and a second convex edge which extends outwards along the periphery of the lower part of the upper die body, the upper die body is provided with a convex part matched with a limit concave cavity, the convex part is matched with the limit concave cavity to define a cavity, the lower surface of the convex part is a spherical surface or an arc curved surface which is downwards convex, and the lower surface of the convex part is matched with the bottom wall of the limit concave cavity; the second convex edge is also provided with a glue injection channel communicated with the cavity;
the composite membrane is placed into a limit concave cavity of a forming die for fixing;
the glue injection channel comprises an arc-shaped groove arranged on the bottom surface of the second convex edge and a glue injection hole communicated with the arc-shaped groove, a glue inlet of the glue injection hole penetrates through the top surface of the second convex edge, and the arc-shaped groove is communicated with the cavity.
2. The high definition color changing spectacle lens according to claim 1, wherein the resin material is one selected from the group consisting of polycarbonate, polymethyl methacrylate, and a blend of polycarbonate and polymethyl methacrylate.
3. The high definition color changing spectacle lens according to claim 1, wherein the ultraviolet blocking agent is polyvinyl alcohol.
4. The high definition color shifting ophthalmic lens of claim 1 wherein the photochromic patch comprises a photochromic patch substrate and a photochromic material printed or sprayed on the photochromic patch substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187974.1A CN113934018B (en) | 2021-10-12 | 2021-10-12 | High-definition color-changing spectacle lens and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187974.1A CN113934018B (en) | 2021-10-12 | 2021-10-12 | High-definition color-changing spectacle lens and forming method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113934018A CN113934018A (en) | 2022-01-14 |
| CN113934018B true CN113934018B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111187974.1A Active CN113934018B (en) | 2021-10-12 | 2021-10-12 | High-definition color-changing spectacle lens and forming method thereof |
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| CN (1) | CN113934018B (en) |
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| CN115946269A (en) * | 2022-12-14 | 2023-04-11 | 长沙海润生物技术有限公司 | A preparation mold and preparation method of gel eye patch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07164552A (en) * | 1993-12-16 | 1995-06-27 | Nissha Printing Co Ltd | Ultraviolet discoloring transfer sheet, ultraviolet discoloring lens, and their manufacture |
| JPH07198908A (en) * | 1993-12-28 | 1995-08-01 | Nissha Printing Co Ltd | Lens provided with diaphragming function |
| CN106142438A (en) * | 2016-06-15 | 2016-11-23 | 东莞科大光学镜片有限公司 | The manufacture method of a kind of color-changing lens and goods thereof |
| KR101790465B1 (en) * | 2017-01-06 | 2017-10-26 | 채무한 | Coating glasses lens for blue light and method for manufacturing the same |
| JP3220305U (en) * | 2018-11-20 | 2019-02-28 | 台湾科大光学企業有限公司 | Discoloration lens |
| CN210514840U (en) * | 2019-10-08 | 2020-05-12 | 江苏众飞光电有限公司 | Color-changing lens |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10267966B2 (en) * | 2016-04-13 | 2019-04-23 | Talex Optical Co., Ltd. | Composite functional polarized lens |
-
2021
- 2021-10-12 CN CN202111187974.1A patent/CN113934018B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07164552A (en) * | 1993-12-16 | 1995-06-27 | Nissha Printing Co Ltd | Ultraviolet discoloring transfer sheet, ultraviolet discoloring lens, and their manufacture |
| JPH07198908A (en) * | 1993-12-28 | 1995-08-01 | Nissha Printing Co Ltd | Lens provided with diaphragming function |
| CN106142438A (en) * | 2016-06-15 | 2016-11-23 | 东莞科大光学镜片有限公司 | The manufacture method of a kind of color-changing lens and goods thereof |
| KR101790465B1 (en) * | 2017-01-06 | 2017-10-26 | 채무한 | Coating glasses lens for blue light and method for manufacturing the same |
| JP3220305U (en) * | 2018-11-20 | 2019-02-28 | 台湾科大光学企業有限公司 | Discoloration lens |
| CN210514840U (en) * | 2019-10-08 | 2020-05-12 | 江苏众飞光电有限公司 | Color-changing lens |
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