CN113687525A - Adjustable focal length glasses lens and preparation method thereof - Google Patents
Adjustable focal length glasses lens and preparation method thereof Download PDFInfo
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- CN113687525A CN113687525A CN202111015058.XA CN202111015058A CN113687525A CN 113687525 A CN113687525 A CN 113687525A CN 202111015058 A CN202111015058 A CN 202111015058A CN 113687525 A CN113687525 A CN 113687525A
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- conducting layer
- focal length
- ito conducting
- ito
- layer
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- 239000011521 glass Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 229920000106 Liquid crystal polymer Polymers 0.000 claims abstract description 22
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 238000000016 photochemical curing Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 6
- 230000004438 eyesight Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000004379 myopia Effects 0.000 description 3
- 208000001491 myopia Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
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
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
- G02C7/083—Electrooptic lenses
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Liquid Crystal (AREA)
- Eyeglasses (AREA)
Abstract
The invention relates to a pair of adjustable focal length glasses lens and a preparation method thereof, wherein the adjustable focal length glasses lens comprises a first ITO conducting layer and a second ITO conducting layer, a filling cavity is formed between the first ITO conducting layer and the second ITO conducting layer, the height inside the cavity of the filling cavity is 4-24 micrometers, a liquid crystal polymer layer is filled inside the filling cavity and cured through UV (ultraviolet), the right side surface of the liquid crystal polymer layer is contacted with the left side surface of the first ITO conducting layer, the left side surface of the liquid crystal polymer layer is contacted with the right side surface of the second ITO conducting layer, the first ITO conducting layer and/or the second ITO conducting layer is provided with a plurality of elliptical ring-shaped resistor partitions extending outwards from the center, and the resistance values of the resistor partitions are sequentially increased from inside to outside. The adjustment of any focal length can be easily realized by adjusting the voltage, so that users can adjust the focal length in time when the vision condition changes, the replacement frequency of the glasses can be reduced, the use cost is reduced, and the period is greatly shortened; simple structure, production manufacturing and installation are convenient.
Description
Technical Field
The invention relates to the technical field of optical heating devices, in particular to a pair of glasses lens with adjustable focal length and a preparation method thereof.
Background
The refractive index can only be adjusted according to user's myopia condition to current glasses lens dependence intrinsic refractive index formation of image, then polish the preparation glasses lens that is myopic according to the refractive index at the lens that corresponds, in case the glasses lens is determined according to user's glasses myopia number of degrees and is polished the refractive index change that can't carry out the later stage after the processing, when user's myopia number of degrees changes, in order to reduce the further impaired possibility of vision, need dispose the glasses that are myopic again, not only use cost is high, and cause the waste of lens easily. And when the user utilizes VR, AR, MR to carry out three-dimensional visual experience, often need wear two and attach glasses, experience effect is poor.
Disclosure of Invention
In order to overcome at least part of defects in the prior art, the invention provides the adjustable focal length glasses lens and the preparation method thereof, the structure is simple, the use is convenient, the adjustment of the focal length can be rapidly completed, and the experience of users is improved.
The embodiment of the invention provides a pair of adjustable-focus glasses lens, which comprises a first ITO conducting layer and a second ITO conducting layer, wherein a filling cavity is formed between the first ITO conducting layer and the second ITO conducting layer, the height inside the cavity of the filling cavity is 4-24 micrometers, a liquid crystal polymer layer is filled inside the filling cavity and cured through UV (ultraviolet), the right side surface of the liquid crystal polymer layer is in contact with the left side surface of the first ITO conducting layer, the left side surface of the liquid crystal polymer layer is in contact with the right side surface of the second ITO conducting layer, the first ITO conducting layer and/or the second ITO conducting layer are/is provided with a plurality of elliptical ring-shaped resistor partitions extending outwards from the center, and the resistance values of the resistor partitions are sequentially increased from inside to outside.
Further, the resistance value of the resistance subarea is 1-64 omega, and the difference value of the resistance values of the adjacent resistance subareas is 1-3 omega.
Further, it is oval column structure to fill the cavity, the height of filling the cavity is 4um, first ITO conducting layer with the second ITO conducting layer is oval plate column structure.
Further, it is concave lens structure to fill the cavity, the height of filling the cavity is put by central point and is progressively decreased all around, the minimum height of filling the cavity is not less than 4um, the maximum height of filling the cavity is not more than 24um, first ITO conducting layer and second ITO conducting layer are plano-convex lens structure.
Further, it is convex lens structure to fill the cavity, the height of filling the cavity is put by central point and is increased progressively all around, the minimum height of filling the cavity is not less than 4um, the maximum height of filling the cavity is not more than 24um, first ITO conducting layer and second ITO conducting layer are plano-concave lens structure.
Further, the resistance value of the resistance subarea near the center of the spectacle lens is 1 Ω, and the resistance value of the resistance subarea near the edge of the spectacle lens is 64 Ω.
Furthermore, the periphery of the filling cavity is provided with edge sealing glue for sealing the filling cavity.
The invention also relates to a preparation method of the adjustable focal length spectacle lens, which is applied to the adjustable focal length spectacle lens and comprises the following steps:
s1, providing a first ITO conductive layer and a second ITO conductive layer;
s2, placing the first ITO conducting layer and the second ITO conducting layer into a processing clamp, and forming a filling cavity between the first ITO conducting layer and the second ITO conducting layer;
s3, preparing a liquid crystal polymer, introducing the liquid crystal polymer into the filling cavity, carrying out photocuring on the liquid crystal polymer through UV light to form a liquid crystal polymerization layer, and then carrying out edge sealing on the liquid crystal polymerization layer by edge sealing glue to obtain the adjustable-focus glasses lens.
Furthermore, the method also comprises the steps of respectively connecting the first ITO conducting layer and the second ITO conducting layer with a flexible FPC, then connecting the first ITO conducting layer and the second ITO conducting layer with a power supply through the flexible FPC, and changing the rotation angle of liquid crystal molecules by adjusting the output voltage of the power supply, so that the focal length of the adjustable focal length glasses lens is changed.
The invention has the advantages that: the adjustment of any focal length can be easily realized by adjusting the voltage, so that users can adjust the focal length in time when the vision condition changes, the replacement frequency of the glasses can be reduced, the use cost is reduced, and the period is greatly shortened; simple structure, the manufacturing simple to operate, the specification article class of product is few, and delivery cycle is short, can show the stock that reduces the former piece of glasses, reduces the waste of material, and integration that can be convenient improves user of service's visual experience in equipment such as VR, AR and MR.
In order to make the aforementioned and other objects, features and advantages of the 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 the drawings without creative efforts.
Fig. 1 is a schematic structural view of an adjustable focal length spectacle lens in embodiment 1.
Fig. 2 is a schematic diagram of the distribution structure of the resistive segments.
Fig. 3 is a schematic view of the internal structure of fig. 1.
Fig. 4 is a schematic structural view of an adjustable focal length spectacle lens according to embodiment 2.
Fig. 5 is a schematic structural view of an adjustable focal length spectacle lens according to embodiment 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
Referring to fig. 1, the adjustable focal length spectacle lens according to the present invention includes a first ITO conductive layer 1 and a second ITO conductive layer 2, a filling cavity 3 is formed between the first ITO conductive layer 1 and the second ITO conductive layer 2, the height inside the cavity of the filling cavity 3 is 4um-24um, a liquid crystal polymer layer 4 is filled inside the filling cavity 3 and cured by UV, a right side surface of the liquid crystal polymer layer 4 contacts with a left side surface of the first ITO conductive layer 1, a left side surface of the liquid crystal polymer layer 4 contacts with a right side surface of the second ITO conductive layer 2, the first ITO conductive layer 1 and/or the second ITO conductive layer 2 has a plurality of elliptical ring-shaped resistance partitions 5 extending outward from a center, and resistance values of the plurality of resistance partitions 5 sequentially increase from inside to outside.
In the above embodiment, the resistance value of the resistance sub-section 5 is 1 Ω to 64 Ω, and the difference between the resistance values of the adjacent resistance sub-sections 5 is 1 Ω to 3 Ω. In practical implementation, the difference in resistance between adjacent resistive segments 5 is 1 Ω to improve the accuracy of the focus adjustment of the liquid crystal polymer layer 4.
In the above embodiment, in order to ensure the adjustment effect, the filling cavity 3 is an elliptic cylindrical structure, the height of the filling cavity 3 is 4um, and the first ITO conductive layer 1 and the second ITO conductive layer 2 are both elliptic plate-shaped structures.
In the above embodiment, the resistance value of the resistive segment 5 near the center of the eyeglass lens is 1 Ω, and the resistance value of the resistive segment 5 near the edge of the eyeglass lens is 64 Ω.
In the above embodiment, the periphery of the filling cavity 3 is provided with the edge sealing glue 6 for sealing the filling cavity 3.
Example 2
The main technical characteristics are the same as those of the embodiment 1, except that: said filling cavity 3Vertical and horizontalThe filling cavity 3 is a concave lens structureVertical and horizontalThe height of the cavity is gradually reduced from the central position to the periphery, and the cavity 3 is filledVertical and horizontalIs not less than 4um, the filling cavity 3Vertical and horizontalIs not more than 24um, the first ITO conductive layer 1Vertical and horizontalAnd a second ITO conductive layer 2Vertical and horizontalAre all plano-convex lens structures. The convex surface of the plano-convex lens structure faces the filling cavity 3Vertical and horizontalFilling the cavity 3Vertical and horizontalFormed between the two plano-convex mirror structures.
Example 3
The main technical characteristics are the same as those of the embodiment 1, except that: said filling cavity 3Vertical and horizontalIs a convex lens structure, and the filling cavity 3Vertical and horizontalIs increased from the central position to the periphery, and the filling cavity 3Vertical and horizontalIs not less than 4um, the filling cavity 3Vertical and horizontalIs not more than 24um, the first ITO conductive layer 1Vertical and horizontalAnd a second ITO conductive layer 2Vertical and horizontalAre all plano-concave lens structures.
The invention also relates to a preparation method of the adjustable focal length spectacle lens, which applies the adjustable focal length spectacle lens in the embodiment 1, the embodiment 2 or the embodiment 3 and comprises the following steps:
s1, providing a first ITO conducting layer 1 and a second ITO conducting layer 2;
s2, placing the first ITO conducting layer 1 and the second ITO conducting layer 2 into a processing clamp, and forming a filling cavity 3 between the first ITO conducting layer 1 and the second ITO conducting layer 2;
s3, preparing a liquid crystal polymer, introducing the liquid crystal polymer into the filling cavity 3, carrying out photocuring on the liquid crystal polymer through UV light to form a liquid crystal polymerization layer 4, and then carrying out edge sealing on the liquid crystal polymerization layer by using edge sealing glue 6 to obtain the adjustable-focus glasses lens.
In the above embodiment, the method further includes connecting the first ITO conductive layer 1 and the second ITO conductive layer 2 to the flexible FPC respectively, then connecting the first ITO conductive layer 1 and the second ITO conductive layer 2 to the power supply through the flexible FPC, and changing a rotation angle of the liquid crystal molecules by adjusting an output voltage of the power supply, thereby changing a focal length of the adjustable focal length spectacle lens.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. The utility model provides an adjustable focus glasses lens, its characterized in that, includes first ITO conducting layer and second ITO conducting layer, first ITO conducting layer with be formed with the filling cavity between the second ITO conducting layer, fill the inside height of cavity and be 4um-24um fill the inside packing of cavity and have liquid crystal polymer layer through the UV solidification, the right flank of liquid crystal polymer layer with the left surface contact of first ITO conducting layer, the left surface of liquid crystal polymer layer with the right surface contact of second ITO conducting layer, the oval ring form resistance subregion of a plurality of by the outside extension in center, a plurality of having of first ITO conducting layer and/or second ITO conducting layer resistance subregion from interior to exterior increases gradually.
2. The adjustable focal length spectacle lens as claimed in claim 1, wherein the resistance value of the resistive segment is 1 Ω to 64 Ω, and the difference between the resistance values of the adjacent resistive segments is 1 Ω to 3 Ω.
3. The adjustable focal length eyewear lens of claim 1, wherein the filled cavity is an elliptical cylindrical structure, the filled cavity has a height of 4um, and the first ITO conductive layer and the second ITO conductive layer are both elliptical plate-like structures.
4. The adjustable focal length spectacle lens of claim 1, wherein the filling cavity is a concave lens structure, the height of the filling cavity decreases from the central position to the periphery, the lowest height of the filling cavity is not less than 4um, the highest height of the filling cavity is not more than 24um, and the first ITO conductive layer and the second ITO conductive layer are both plano-convex lens structures.
5. The adjustable focal length spectacle lens according to claim 1, wherein the filling cavity is a convex lens structure, the height of the filling cavity increases from a central position to the periphery, the lowest height of the filling cavity is not less than 4um, the highest height of the filling cavity is not more than 24um, and the first ITO conductive layer and the second ITO conductive layer are plano-concave lens structures.
6. The adjustable focal length spectacle lens as claimed in claim 2, wherein the resistance value of the resistive segment near the center of the spectacle lens is 1 Ω, and the resistance value of the resistive segment near the edge of the spectacle lens is 64 Ω.
7. The adjustable focal length eyeglass lens of claim 1, wherein the periphery of the filling cavity is provided with a sealing glue that closes the filling cavity.
8. A method for manufacturing an adjustable focal length spectacle lens, which is applied to the adjustable focal length spectacle lens according to any one of claims 1 to 7, comprising the steps of:
s1, providing a first ITO conductive layer and a second ITO conductive layer;
s2, placing the first ITO conducting layer and the second ITO conducting layer into a processing clamp, and forming a filling cavity between the first ITO conducting layer and the second ITO conducting layer;
s3, preparing a liquid crystal polymer, introducing the liquid crystal polymer into the filling cavity, carrying out photocuring on the liquid crystal polymer through UV light to form a liquid crystal polymerization layer, and then carrying out edge sealing on the liquid crystal polymerization layer by edge sealing glue to obtain the adjustable-focus glasses lens.
9. The method for manufacturing an adjustable focal length spectacle lens according to claim 8, wherein: the method is characterized by further comprising the steps of respectively connecting the first ITO conducting layer and the second ITO conducting layer with a flexible FPC, then connecting the first ITO conducting layer and the second ITO conducting layer with a power supply through the flexible FPC, and changing the rotation angle of liquid crystal molecules by adjusting the output voltage of the power supply, so that the focal length of the glasses lens with the adjustable focal length is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015058.XA CN113687525A (en) | 2021-08-31 | 2021-08-31 | Adjustable focal length glasses lens and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015058.XA CN113687525A (en) | 2021-08-31 | 2021-08-31 | Adjustable focal length glasses lens and preparation method thereof |
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| Publication Number | Publication Date |
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| CN113687525A true CN113687525A (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111015058.XA Pending CN113687525A (en) | 2021-08-31 | 2021-08-31 | Adjustable focal length glasses lens and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609835A (en) * | 2022-05-10 | 2022-06-10 | 浙江大学 | Liquid crystal zoom curved lens, preparation method thereof and imaging system |
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2021
- 2021-08-31 CN CN202111015058.XA patent/CN113687525A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609835A (en) * | 2022-05-10 | 2022-06-10 | 浙江大学 | Liquid crystal zoom curved lens, preparation method thereof and imaging system |
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Application publication date: 20211123 |
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